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WO2012050516A1 - Treuil de ligne et procédé associé à celui-ci - Google Patents

Treuil de ligne et procédé associé à celui-ci Download PDF

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Publication number
WO2012050516A1
WO2012050516A1 PCT/SE2011/051221 SE2011051221W WO2012050516A1 WO 2012050516 A1 WO2012050516 A1 WO 2012050516A1 SE 2011051221 W SE2011051221 W SE 2011051221W WO 2012050516 A1 WO2012050516 A1 WO 2012050516A1
Authority
WO
WIPO (PCT)
Prior art keywords
line
gear
driving
wheel
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/SE2011/051221
Other languages
English (en)
Inventor
Jan Karlsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Selden Mast AB
Original Assignee
Selden Mast AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Selden Mast AB filed Critical Selden Mast AB
Priority to EP11832843.4A priority Critical patent/EP2627601A4/fr
Publication of WO2012050516A1 publication Critical patent/WO2012050516A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/04—Driving gear manually operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7421—Capstans having a vertical rotation axis
    • B66D1/7436—Capstans having a vertical rotation axis drivable by both motor and manually
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7484—Details concerning gearing arrangements, e.g. multi-speed

Definitions

  • the present invention relates to a method to pull in and let out line by means of a line winch with a rotatably mounted winch drum, which method comprises bringing the winch drum to rotate with different gear in a first direction by means of a driving device, for example a crank or a motor, in order to wind up line around the winch drum with increased force by means of the driving device to pull in line, bringing the winch drum to rotate in a second direction opposite to said first direction in order to let out line.
  • the invention also relates to a line winch for pulling in and letting out line.
  • Line winches are above all used on sailing boats, among other things to adjust the sails by means of sheet lines, i.e. lines by means of which a sail is kept at a defined angle in relation to the prevailing wind, whereby you can determine, or trim, the desired sailing speed. Since the wind is not always blowing in a direction, which makes it possible to sail in the most comfortable way, it is necessary to tack to be able to sail with the wind in all directions in relation to the boat, from close rech to running before the wind.
  • Either the winch drum is rotated in a first direction to pull in the line at a low speed or in a second direction to let the line out to a determined extent.
  • an inner cone of a double cone coupling is driven by an outer cone thereof, which is set up by a back stop cone of a back stop wheel in such a way, that a trapezoid thread is tightened so that the tightening force between the inner and the outer cones overcomes the torque produced by the line via the winch drum and drives a transmission in the winch, so that line is pulled in.
  • said outer cone When letting out line said outer cone allows the inner cone to be lifted via the trapezoid thread, so that the tightening force between the back stop cone and the outer cone is reduced so much that the force of the line temporarily makes it possible for the transmission to let the line out to a determined extent in spite of the fact that the back stop is tightened against the back stop cone.
  • the combination of at least one cone coupling and at least two one-way couplings gives a combination of mechanical components, which, in a comprehensive context, is unique in its application and which, furthermore, is easy to handle and functions smoothly under easier as well as more difficult conditions.
  • an electric motor in another a crank, is used as driving device for the winch.
  • a small motor for example a DC-motor
  • the motor may be a motor of another type.
  • the crank as driving device, the lower end of the driving shaft, or the input shaft, has been provided with a part of a one-way coupling, which is adapted to co-operate with a second corresponding part of the one-way coupling of a gear wheel, which in its turn is floatingly arranged above the one-way coupling.
  • a winch which comprises two gears, a low gear corresponding to the already existing, which provides a large force and a high torque, without the operator of the crank necessarily noticing this, at the same time as a high gear is made possible by means of the further gear wheel in order to allow the operator of the winch to pull in larger quantities of lower loaded line in a short time.
  • the one-way coupling for engagement and disengagement of the high gear position has been replaced by a further cone coupling of a type, which substantially corresponds to the cone coupling being arranged further down in the winch.
  • Fig. 1 is a perspective view of a winch for a sailing boat of the type, to which the invention relates,
  • Fig. 2 is a perspective view of a transmission for a sailing boat winch according to the invention in a first embodiment
  • Fig. 3 is a perspective view of the transmission
  • Fig. 4 is a perspective view of a transmission for a sailing boat winch according to a second embodiment of the invention
  • Fig. 5 is a perspective view of a transmission for a sailing boat winch according to a third embodiment of the invention.
  • Fig. 6 is a perspective view of a driving device
  • Figs. 7a and b are on one hand a lateral view, on the other hand a cross section, in which the parts are separated, of a transmission of a winch drum of the embodiment according to Fig. 4. Detailed description
  • a winch 1 comprises 5 a rotatably mounted winch drum 2, around which a line 3 is to be wound. From a driving opening 4 arranged for a driving device 12 (see Fig. 6), a driving shaft 5 (see Figs. 2 to 5) extends from an eccentric position at the : upper part 6 of the winch into the winch drum 2 and drives0 a transmission, which is contained in the inner, lower part 7 of the winch drum 2.
  • the transmission can either, if it is driven in a first direction by a driving device, drive the driving shaft 5 to rotate the drum 2 in a first direction, the pulling-in direction 8 for the line 3, or5 be actuated to let out line 3 carefully when the line is loaded, if the driving device is slightly actuated in a second direction 9, or block the winch completely if the driving device is not actuated at all.
  • U Fig. 2 illustrates a first embodiment of a winch transmission according to the invention in its simplest embodiment. From the driving opening 4 for the driving device 12, in this case a crank (not shown) of conventional type without any other functionality except that it can be rotated, the driving shaft 5 extends downwards to an in relation to the driving shaft transversally driving tooth wheel 20 with teeth 20a.
  • the tooth wheel 20 drives, no matter in which direction the shaft is rotated, a first wheel 27 of a cone coupling comprising two wheels, anin external conical wheel 27 and an internal conical wheel 29, which first wheel fits to the tooth wheel and is provided with corresponding notches 28.
  • the circumferential surface of the wheel 29 is provided with recesses 29a, which are adapted to co-operate, with ratchets 29b to together form a first back stop 60-
  • the wheel 27 has an internal trapezoid thread 16, which is screwed on a shaft 32 in the figure, the upper end of which has a fitting
  • Fig. 3 illustrates a figure analogous to Fig. 2 apart from the fact that the winch transmission according to this embodiment is adapted to be driven and actuated by a driving device 12 constituted by an electric motor 51
  • Fig. 4 is a perspective view, in which the parts are
  • a second embodiment of the winch transmission which compared to the embodiment according to Figs. 2 and 3, respectively, is further developed, and which embodiment comprises two forward gears, a low gear (XL) and a high gear (XH) , and, as previously, a ssibly bility of letting out line by reversing the force of the driving device 12, a crank v (see Fig. 6) .
  • XL AC designates low gear in counter clockwise direction
  • XL H designates high gear in clockwise direction
  • RX C designates reverse gear in clockwise direction.
  • the driving shaft 5 which is hollow, extends downwards to a separation constituted by splined coupling 13, 13a, and further to an in relation to the 5 driving shaft transversally driving tooth wheel 20 with ! teeth 20a, in the way described above.
  • the driving shaft is divided in the described way in order to make it possible to insert a push rod 14 in the shaft 5 and by means of the push rod 14 via means in the crank provide an
  • gear 15 46 are adapted to co-operate with corresponding teeth 45 on the underside, seen in the normal way of looking at the figure, of a gear wheel 19, which constitutes a high gear, and form together the freewheel coupling 59, so that the gear wheel 19 only can be driven in one direction when zo actuated by the crank V.
  • the tooth wheel 20 is, no matter in which direction the shaft 5 is rotated, drivably connected to a first wheel 27 of a cone coupling comprising two wheels, o an external conical wheel 27 and an internal conical wheel 29, which first wheel fits to said tooth wheel and is provided with corresponding notches 28,
  • the periphery of the wheel 29 is provided with recesses 29a, which are adapted to co-operate with ratchets 29b in order to ju together form a first back stop 60 analogous to the back stop according to the embodiments illustrated in Figs. 2 and 3, respectively.
  • the wheel 27 has an internal trapezoid thread 16, which is screwed on an external trapezoid thread 16a, which is arranged on the according to the figure upper end of a shaft 32 and fits to the internal trapezoid thread.
  • the shaft 32 comprises a straightly cut gear wheel 33 at its according to the figure lower end.
  • the gear wheel 33 is in teeth engagement with a further gear wheel 35 on a shaft located beside the shaft 32.
  • a further gear wheel 39 is drivably connected to the gear wheel 35 via a freewheel coupling 35a.
  • Fig. 5 illustrates the transmission T of the line winch 1 in a third, further developed embodiment, as a perspective view in which the parts are separated.
  • the transmission T comprises a first part of a driving shaft 5, which is hollow in the longitudinal direction and with one of its ends, which exhibits a mechanical hold, for example a spline 11, is adapted to constitute a hold for the crank V mentioned above.
  • the first part of the driving shaft 5 exhibits at its other end a further hold, a spline 13, which is adapted to mesh with splines 13a in a second part of the driving shaft 5, located further down in the transmission T.
  • the second part of the driving shaft 5, which is also hollow, comprises in one piece, seen from its in relation to the spine 13a opposite end, a tooth wheel 20 provided with driving teeth 20a and an external trapezoid thread 17b adapted to co-operate with an internal thread 17a in an upper part of an upper cone coupling 15, 19A.
  • the cone coupling element 15 is arranged on the trapezoid thread 17b through the internal trapezoid thread 17a.
  • a carrier part 15a is so fixed, that it in a flexible way can move a pin 15b in an oblong hole 15c in the driving shaft 5.
  • the carrier part 15a is pre-loaded by means of springs 15d in the direction towards the driving opening 4 in the shaft 5, and abuts with its upper end against a push rod 14, which along most of its length is displace- ably arranged inside the upper part of the hollow shaft 5.
  • the driving teeth 20a mentioned above are in permanent 5 engagement with notches 28 in an upper part 27 of a lower ; cone coupling 27/29, which also comprises a lower part 29.
  • a bushing 24 which also constitutes a spring seat, is resting in the centre of the gear wheel 33 and constitutes a support for one of the two springs 15d.
  • the upper part 27 is acting, where it5 is placed on a trapezoid thread 37a, in an internal trapezoid thread 37b arranged in said upper part 27 at the opposite upper end of a second driving shaft 32.
  • a straightly cut gear wheel 33 is located at the lower end of the driving shaft 32 .
  • Said gear wheel 33 is adapted toQ establish an engagement of teeth with a further gear wheel 35, which is arranged on a shaft parallel to the driving shaft 32.
  • Said gear wheel 35 co-operates via an intermediate free wheel 35a with a further gear wheel 39.
  • XL AC designates low gear, counter clockwise rotation, XH A c high5 gear, counter clockwise rotation, and RX A c reverse gear, counter clockwise rotation.
  • Fig. 6 is a cross section through an embodiment of a crank V, which is intended to be used to actuate the trans-0 mission T of the winch 1 via a driving opening 4, which for example is provided with inner splines, (see Figs. 3, 4, 5) at the upper part of the winch shaft 5.
  • the crank V has a handle H, and according to this embodiment the actuation is achieved by a plunger 40, which can be pushed into and out of the engagement part 41 of the crank. In this case this is achieved by means of a button 42, which by means of a spring 45 is pre-loaded in the direction towards a position, in which it is not actuated upon. When the button 42 is pushed down, it actuates a lever 43 and thereby lifts up an operating means 4 .
  • FIGs. 7a and b illustrate on one hand a lateral view and on the other hand a cross section through the transmission according to the invention.
  • these states are a first state, in which the pulling-in speed is low, to be used when the sail is to be sheeted in to be trimmed during sailing, a second state which allows letting the line out, and a third state, in which the crank is not actuated, whereby the winch is locked.
  • said states are anyone of one or two pulling-in states, one in which the pulling-in speed is higher, for example for the pulling-in of large slack or line under low or moderate load, and another in which the pulling-in speed is comparatively considerably lower, for example for the sheeting in of the sail in connection with trimming of the sail.
  • Another third such state is a state, which allows controlled letting out of line, while the fourth state according to said embodiments is a state, in which the crank is not actuated and the winch is locked.
  • Concerning the embodiment according to Fig. 3 it can be mentioned that, with the exception of the driving device 12 being used, it is completely analogous to the embodiment according to Fig. 2. According to Fig. 3 an electric motor 51 is used as driving device, and therefore the speed, at which the shaft 5 can be driven, is continuously variable and, thus, no gears except the gear comprised in the embodiment are required.
  • the two states which first of all must be described in this connection, are sheeting the sail in on one hand, and letting sheet line out on the other hand.
  • the sheeting in is performed in that a crank V of conventional type is inserted into the driving opening 4 of the winch.
  • the crank is actuated in counter clockwise direction, whereby the tooth wheel 20 of the driving shaft 5 drives the wheel 27 of the cone coupling in counter clockwise direction.
  • the wheel 27 tightens the trapezoid thread 16, 16a, so that the cone coupling 27/29 is tightened together, whereby the driving of the wheel 27 is transferred to the gear wheel 33.
  • the gear wheel 33 in its turn drives the gear wheel 35, which, as a result of the engagement of the free wheel 35a, transfers its rotation to the gear wheel 39, which drives a gear ring on the inside of the winch drum 2. In this . way line is sheeted in.
  • Letting out line can only be performed as long as there is a load at the end of the line, which for example is con- nected to a sail.
  • the gear wheel 39 actuated by said load, will be forced in counter clockwise direction, when the winch is seen in direction from the driving opening 4.
  • This causes 5 that the freewheel coupling 35a locks and transfers the force to the wheel 35, which in its turn transfers the force to the wheel 33.
  • the operator of the winch at the same time carefully rotates the crank clockwise, said rotation will actuate the upper wheel 27 of the
  • Fig. 3 is analogous to the embodiment according to Fig. 2, with the 25 exception of the fact that an electric motor instead of a crank is used as driving device, and for that reason said embodiment will not be described further here.
  • the embodiment 3b according to Fig, 4 comprises four different conceivable states, low gear for sheeting the sail in, high gear for pulling in large amounts of line/sheet, reverse gear for letting sheet line out, and a locking position, in which the winch is not actuated and, consequently, does not perform any work with the exception of being locked.
  • the shaft 5 When the winch is used to pull in for example sheet line at a low speed, the shaft 5 is actuated by the crank in counter clockwise direction. In this way the tooth wheel 20 is actuated to drive the upper part 27 of the cone coupling 27, 29, which, as a consequence of the direction of rotation, is tightened as a result of the pitch orien- tation of the trapezoid thread 16a.
  • the wheel 19 located higher up in the transmission rotates at the same time only as a result of the friction between the shaft and its inner bearing surface, because the ratchet free wheel 45, 46 disengages.
  • the back stop 29, 29a, 29b, 30 disengages as a consequence of the counter clockwise direction of rotation, which results in that the rotation in counter clockwise direction is transferred to the gear wheel 33, which is in teeth engagement with the gear wheel 35 and via the back stop 35a transfers the rotation to the gear wheel 39, which in its turn meshes with a gear ring (not shown) on the inside of the winch drum 2 and, thus, rotates the drum in clockwise direction, so that sheet line can be pulled in.
  • the crank V is rotated in clockwise direction in order to drive the shaft 5 of the winch in clockwise direction.
  • the winch When for example sheet line is to be let out under load in a controlled way, the winch must, to start with, be in a locked position, i.e. the position which arises when none of the possible driving devices of the winch, viz. the crank V or the motor 51 (see Fig. 3) is actuated. In that condition the line will put load on the winch in exactly the same way and in the same direction as, for example, when the sail is sheeted in, i.e. the gear wheel 39 is actuated by the drum 2 to rotate, however now in counter clockwise direction. The force in the line is transferred via the gear wheel 39, the free wheel 35a, the gear wheels 35 and 33, respectively, whereby the back stop 29, 29a, 29b prevents that rotation arises.
  • crank V the driving device
  • the crank must be of the type illustrated in Fig. 6
  • the pushing down of the button 42 induces that the gear wheel 19 is lifted by means of the spring-loaded push rod 14 located in the shaft 5 and the carrier part 15a and its pin 15b (which is in engagement with an internal circumferential groove, not shown, in the gear wheel 19) from its engagement with the teeth of the ratchet free wheel 45, 46 and, consequently, a continued slow rotation of the shaft 5 induces that the cone coupling 27, 29 is disengaged, because the trapezoid thread 16a lifts the wheel 27 from its driving engagement with the wheel 29.
  • the crank When the winch is used to pull in line at a relatively low speed, for example to sheet the sail in, the crank is actuated in counter clockwise direction to rotate the shaft 5.
  • the wheel 15 is lifted out of engagement with the wheel 19 which, consequently, is disengaged and prevented from driving the winch 2 as a consequence of it being effected by the crank V.
  • crank is rotated in the ! other direction instead, i.e. clockwise. In that way the0 force of the crank v will be transferred downwards to the ! trapezoid thread 17a, 17b in the previously described way, however in the opposite direction, which results in that the cone coupling 15, 15 is tightened, and the force or the moment is transferred to the gear wheel 19. Since the gear wheel is in engagement with a gear ring on the inside ' of the winch drum 2, the drum is driven at a high speed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

La présente invention porte sur un treuil de ligne (1) et sur un procédé de traction vers l'intérieur et d'échappement vers l'extérieur d'une ligne. Un treuil de ligne (1) a un tambour de treuil monté de façon à pouvoir tourner (2). Une ligne (3) est enroulée à l'aide d'un dispositif d'entraînement, par exemple une manivelle (V) ou un moteur, à l'aide duquel le tambour de treuil (2) peut être tourné à une vitesse différente dans une première direction pour tirer vers l'intérieur la ligne (3), et dans une seconde direction pour laisser s'échapper vers l'extérieur la ligne (3). La ligne (3) sous une charge est tirée vers l'intérieur sur le tambour de treuil (2) du fait qu'une force ou un couple est dirigé par l'intermédiaire d'un arbre d'entraînement (5) à partir du dispositif d'entraînement dans une première direction, ce par quoi un accouplement conique (27, 29) relié à l'arbre d'entraînement, comportant un filetage trapézoïdal interne (16), est serré, de telle sorte qu'une roue d'engrenage (33) montée sur un arbre (32) est actionnée, et, par engrènement avec une roue d'engrenage (35), qui est montée sur un arbre (A), fait tourner ladite roue, de telle sorte que le tambour de treuil (2) est actionné dans une première direction directement ou indirectement à l'aide de la roue d'engrenage (35) et d'une autre roue d'engrenage (39), qui est disposée sur l'arbre (A), à l'aide d'une roue libre (35a) agissant entre les roues d'engrenage (35, 39). La ligne chargée (3) est laissée s'échapper vers l'extérieur du fait que le dispositif d'entraînement est actionné dans une seconde direction d'entraînement, ce par quoi l'accouplement conique (27, 29) est libéré, et permet que la ligne est laissée s'échapper vers l'extérieur jusqu'à ce que la charge de la ligne serre à nouveau l'accouplement conique à l'aide du filetage trapézoïdal lorsque l'actionnement du dispositif d'entraînement dans la seconde direction d'entraînement est achevé.
PCT/SE2011/051221 2010-10-15 2011-10-13 Treuil de ligne et procédé associé à celui-ci Ceased WO2012050516A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11832843.4A EP2627601A4 (fr) 2010-10-15 2011-10-13 Treuil de ligne et procédé associé à celui-ci

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1051074-1 2010-10-15
SE1051074A SE535253C2 (sv) 2010-10-15 2010-10-15 Sätt och anordning vid linvinsch till segelbåt

Publications (1)

Publication Number Publication Date
WO2012050516A1 true WO2012050516A1 (fr) 2012-04-19

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ID=45938536

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2011/051221 Ceased WO2012050516A1 (fr) 2010-10-15 2011-10-13 Treuil de ligne et procédé associé à celui-ci

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Country Link
EP (1) EP2627601A4 (fr)
SE (1) SE535253C2 (fr)
WO (1) WO2012050516A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105605309A (zh) * 2015-11-29 2016-05-25 山东建筑大学 一种柴油机驱动的管道施工牵引机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974814A (en) * 1987-05-08 1990-12-04 Maxwell Marine Limited Multispeed winch
EP1125885B1 (fr) 2000-01-18 2006-03-01 Helmut Meyerdierks Treuil
SE532212C2 (sv) * 2008-05-19 2009-11-17 Selden Mast Ab Sätt och anordning vid linvinsch
SE532278C2 (sv) 2008-04-11 2009-12-01 Selden Mast Ab Sätt och anordning vid linvinsch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974814A (en) * 1987-05-08 1990-12-04 Maxwell Marine Limited Multispeed winch
EP1125885B1 (fr) 2000-01-18 2006-03-01 Helmut Meyerdierks Treuil
SE532278C2 (sv) 2008-04-11 2009-12-01 Selden Mast Ab Sätt och anordning vid linvinsch
SE532212C2 (sv) * 2008-05-19 2009-11-17 Selden Mast Ab Sätt och anordning vid linvinsch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2627601A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105605309A (zh) * 2015-11-29 2016-05-25 山东建筑大学 一种柴油机驱动的管道施工牵引机
CN105605309B (zh) * 2015-11-29 2017-01-18 山东建筑大学 一种柴油机驱动的管道施工牵引机

Also Published As

Publication number Publication date
SE535253C2 (sv) 2012-06-05
EP2627601A4 (fr) 2014-08-13
EP2627601A1 (fr) 2013-08-21
SE1051074A1 (sv) 2012-04-16

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