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WO2008130062A1 - Treuil a commande continue adaptatve de surcharge - Google Patents

Treuil a commande continue adaptatve de surcharge Download PDF

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Publication number
WO2008130062A1
WO2008130062A1 PCT/KP2008/000014 KP2008000014W WO2008130062A1 WO 2008130062 A1 WO2008130062 A1 WO 2008130062A1 KP 2008000014 W KP2008000014 W KP 2008000014W WO 2008130062 A1 WO2008130062 A1 WO 2008130062A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
winch
control
driving
driven
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/KP2008/000014
Other languages
English (en)
Inventor
Nung Jun Tae
Yong Chol Kim
Yong Il Tae
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2008130062A1 publication Critical patent/WO2008130062A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B66D1/54—Safety gear
    • B66D1/58—Safety gear responsive to excess of load

Definitions

  • This invention relates to the winch, particularly to the overload adaptive and non-step controllable winch which could provide self-braking, non-step reducing, non-step acceleration, overload adaptive control, remote control, automatic control.
  • the winch is consisted of drum, gear reducer, brake, motor, electrical device for controlling the motor, which is complicate in structure.
  • the international patent application PCT/KP2005/000005 discloses the self-braking winch using lever principle, which contains self-braking driving gear using lever principle in drum.
  • the int.pat.appl.PCT/KP2005/000006 discloses the self-braking winch using force increasing law in wedge, which contains the self-braking driving gear using the force increasing law by wedge in drum.
  • the EP 1547963 discloses the winch that overcomes overload by regulating the driving power of the winch when the overload occurs.
  • the EP 1308414 discloses a winch that has sensing device on overload.
  • winches also could not perform non-step reduce and acceleration and overload adaptive control in a winch driving gear and are difficult to do remote control and automatic control. These are not bring to gain in substantial force increase during the speed reduction, therefore it means that result in loss in use of energy.
  • the object of the present invention is to provide non-step speed controllable winch that has a simple structure and high driving efficient, as well as can use effectively power and fulfil non- step reduction and increase.
  • the another object of the present invention is to provide a overload adaptive and non-step controllable winch that fulfil not only non-step reduction and increase but also overload adaptive control, remote control and automatic control so that the driving motor can be protected.
  • the structural feature of the overload adaptive and non - step controllable winch according to present invention is that that the speed reducer which can obtain high ratio of the speed reduction in first step and has the fixed support point is contained in winch drum, and the fixed support point of said speed reducer is suitably combined to the winch drum, and the worm gearing is suitably combined with the driven shaft of the said speed reducer , and the worm shaft becomes the control shaft , and the rotation speed of the winch drum is reduced or increased according to the rotation speed of the control shaft.
  • This typed winch can be made by converting the housing of a speed reducer containing a fixed support point into a drum and by combining the driven shaft with a self-braking worm gearing.
  • the speed reducers comprising a fixed support point are the " Lever-type gear reducer" disclosed in PCT/KP2005/000005 and the "Ball wedge type gear reducer” disclosed in PCT/KP2005/0000006, and the control shaft can be made by combining the self-braked worm with the driven shaft of the reducer.
  • the overload adaptive and non-step controllable winch in winch a drum is mounted on a supporting gear (fixed support point) of "Lever type gear reducer” ,and a worm gearing is combined with the driven shaft outside of supporting point of the winch drum.
  • the overload adaptive and non-step controllable winch in which drum is mounted on guide sleeve (fixed support point) of the " ball-wedge type speed reducer” ,and a worm gearing is combined with the driven shaft outside of the rotation support of the drum.
  • the structural feature of the overload adaptive and non-step speed controllable winch according to the present invention is that the speed reducer is incorporated in the drum which comprises fixed support point ,and the drum is mounted on the fixed support point, and the self-braking worm gearing is combined with the driven shaft of the speed reducer so that the winch can fulfil non-step speed reduction and increase, stop and reverse rotation depend on rotation speed of the control shaft(worm shaft).
  • the winch fulfils stop, right and left rotation control, non- step control, overload adaptive control, remote control and automatic control by connecting operating motor to control shaft and by connecting a control device to the operating motor.
  • the driving shaft and driven shaft do not subject bending, but only torque, and a energy transmitted to driving shaft do not affects to the control shaft, but only to the drum.
  • the said overload adaptation and non-step controllable winch can operate the machines with better flexible character than hydraulic driving. According to the character of the load change of the machines, each time when the load changes occur, impulse of the load change of the leading motor is delivered to the operating motor and thus it makes leading motor to drive always in a certain horsepower by changing the ratio of the speed reduction. Therefore, this character can lengthen the working life of the motor.
  • overload adaptation and non-step controllable winch of the present invention is used instead of hydraulic gear in the machines which use hydraulic driving, it can have better character, because of the quickness of the mnvpmpnt Brief description of the drawings.
  • Fig 1 is a schematic drawing of the principle of the overload adaptive and non-step controllable winch of the present invention.
  • Fig 2 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention (Ball-wedge type winch).
  • the Fig 3 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention ( internal engagement lever type).
  • the Fig 4 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention (external engagement lever type).
  • Fig 5 is the graphic drawing shown speed-character of the overload adaptive and non-step controllable winch of the present invention.
  • the Fig 6 is drawing shown control principle of the overload adaptive and non-step controllable winch of the present invention.
  • the fig 1 shows a principal drawing of the overload adaptive and non-step controllable winch of the present invention.
  • the power carried on the driving, shaft (ni, Mi) do not affects to the control shaft, but is transmitted to the winch drum(ri2, M2) and the power carried on the control shaft
  • Ni is power of driving shaft
  • N3 is power of control shaft
  • N2 is power of drum
  • 77 1 is mechanical efficiency from driving shaft to the drum
  • 77 3 is mechanical efficiency on the control shaft.
  • the such typed winch can be made by converting the housing of the speed reducer containing the fixed support point into drum and by combining driven shaft with the self-braking worm gearing.
  • the speed reducer containing fixed support point is for example " lever type gear speed Brief description of the drawings.
  • Fig 1 is a schematic drawing of the principle of the overload adaptive and non-step controllable winch of the present invention.
  • Fig 2 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention (Ball- wedge type winch).
  • the Fig 3 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention ( internal engagement lever type).
  • the Fig 4 is the drawing shown structure of the overload adaptive and non-step controllable winch of the present invention (external engagement lever type).
  • Fig 5 is the graphic drawing shown speed-character of the overload adaptive and non-step controllable winch of the present invention.
  • the Fig 6 is drawing shown control principle of the overload adaptive and non-step controllable winch of the present invention.
  • the fig 1 shows a principal drawing of the overload adaptive and non-step controllable winch of the present invention.
  • the power carried on the driving, shaft (ni, Mi) do not affects to the control shaft, but is transmitted to the winch drum(ri2, M2) and the power carried on the control shaft
  • Ni is power of driving shaft
  • N3 is power of control shaft
  • N2 is power of drum
  • 77 1 is mechanical efficiency from driving shaft to the drum
  • Tj 3 is mechanical efficiency on the control shaft.
  • the such typed winch can be made by converting the housing of the speed reducer containing the fixed support point into drum and by combining driven shaft with the self-braking worm gearing.
  • the speed reducer containing fixed support point is for example " lever type gear speed reducer” (Int. Patent' application PCT/KP2005/000005) and “Ball wedge type speed reducer” (Int. Patent application PCTTKP 2005/000006) and as control shaft, self-braking worm gearing is mounted.
  • Example 1 Overload adaptive and non-step controllable winch (ball-wedge type )
  • Fig 2 it is showed the structure of overload adaptive and non-step controllable winch wherein the drum is mounted on the guide sleeve (fixed support point) of the ball-wedge type speed reducer.
  • This winch is comprised the driving shaft (Al), shaft support (A2) of the drum, the drum (A3), a wire rope (A4), the control shaft (A5), a driving wedge wheel (A6), a plurality of ball (A7), a driven wedge (A8), a guide sleeve (A9) and a worm wheel (AlO).
  • the driving wedge wheel (A6) is rigidly fixed on the driving shaft(Al), and the driving shaft is supported with a bearing so that the drum can be rotated on the driven shaft.
  • the worm wheel (AlO) is rigidly fixed on the driven wedge(A8), so it can rotate around the driving shaft (Al) with the driven wedge (A8).
  • the driven wedge (A8) can not rotate without a rotation of the control shaft because the worm that is monolithic with the control shaft is gearing with the worm wheel (AlO).
  • the driving shaft (Al) is supported by the bearings so that it can rotate
  • the control shaft(A5) is supported by t he bearings so that it makes to be rotated the driven shaft of the dram (A3).
  • the guide sleeve is rigidly mounted on the dram (A3) by the bolt.
  • the driving wedge (A6) which is rigidly mounted on the driving shaft is a wedge profile formed in a ring formal, vertical to the driving shaft.
  • the driven wedge (A8) has a closed profile formed by a plurality of wedges wherein there are number of balls between the driven wedge (A8) and the driving wedge (A6) ,and two wedges profiles are the profile of half-circular groove, thereby the balls can be line contact with the groove.
  • the transversal grooves of half-circular are formed parallel to the driving shaft (Al).
  • the number of the transversal grooves of the guide sleeve (A9) is one more or less than the number of the driven wedges (A8).
  • the overload adaptive and non-step controllable winch as shown in Fig 2 can be non-step controlled by the control shaft (A5).
  • the balls (A7) roll along the grooves in the driven wedge profile (A8), then it makes the guide sleeve(A9) to non-step reduce or increase.
  • the overload adaptive and non-step controllable winch also still retain the self-braking properly, therefore it is not affected to the driving efficiency of the winch. Furthermore, when the driving shaft(Al) rotates, the force causing the rotation in the same direction as the driving shaft, apply to the driven wedge (A8), so the worm gearing could be operated with the operating motor of low-horsepower too.
  • n.2 is the rotation speed of the drum when the control shaft don't rotates
  • n.3 is the rotation speed of control shaft
  • k is the amplifying coefficient ,and the amplifying ratio H
  • the winch has the amplifying coefficient k and amplifying ratio H as its characteristic parameters, and in order to enhance its non-step control capacity the parameters should be selected so that the amplifying coefficient k is bigger as possible.
  • Example 2 The overload adaptive and non-step controllable winch (lever type).
  • FIG. 1 The overload adaptive and non-step controllable winch (internal engagement lever type)
  • Fig 3 shows the overload adaptive and non-step controllable winch in which the supporting gear (fixed support) is fixed in drum (B3) and a control gear (B8) is combined with a worm (control shaft).
  • the winch is composed of a driving shaft (Bl), shaft support (B2) of the drum, the drum (B3), a wire rope (B4), a control shaft (B5), lever gears (B6, B7), a driven gear (B8), a fulcrum gear (B9), a worm wheel (BlO) and a setting frame (Bl 1) for a lever gear.
  • the lever gears (B6, B7) as monolithic is fixed on the frame (Bl 1) to be rotated freely and the setting frame (BI l) and driving shaft (Bl) as monolithic or a rigid assembly can be rotated together when the driving shaft rotates.
  • the driven gear (B 8) which is rigidly fixed with the worm wheel (BlO) via driven shaft can be rotated with it and can be freely rotated by the support of bearing on the hollow axle of the drum (B3).
  • the driven gear (B8) rotates only when it is controlled by the worm.
  • B 7 is engaged with the fulcrum gear (B 9) and B 6 is engaged with driven gear (B8), thus B6 is supported on the driven gear (B8) while B7 makes the supporting gear (B9) rotate according to the lever principle.
  • the worm wheel (BlO) is engaged with the worm which is monolithic with control shaft (B5) and the driven gear(B8) is inhibited so that not to rotate by the worm.
  • the driven gear (B8) can rotate only with the rotation of the control shaft.
  • Zb6,Zb7,Zb8,and Zb9 are the tooth numbers of the lever gear(B6,B7),control gear(B8) and fulcrum gear (B 9) 2)
  • the overload adaptive and non-step controllable winch (external engagement lever type)
  • Fig 4 shows the external engagement overload adaptive and non-step controllable winch in which a worm (control shaft) is combined to a driven gear (B8) and the fulcrum gear (fixed support) of the lever type gear reducer is fixed onto a drum (B3),
  • the winch is composed of a driving shaft (Bl), shaft support (B2) of the drum, the drum (B3), a wire rope (B4), a control shaft (B5), lever gears (B6, B7), a driven gear (B8), a fulcrum gear
  • the lever gears (B6, B7) as a monolithic are connected with a shaft and bearings so as to be freely rotated on the frame (Bl 1) and its number are more than two.
  • the frame (Bl 1) and the driving shaft (Bl) is a monolithic or a rigid assembly, so the frame can be rotated together with the driving shaft.
  • the driven gear (B 8) is rigidly fixed with worm wheel (BlO) via a driven shaft, it can be freely rotated by bearing supporting in the hollow axle of the drum (B3).
  • the driven gear (B8) is rotated only when the control shaft is rotated by the worm.
  • the worm gear (BlO) are engaged with the worm, which is monolithic with the control shaft
  • the amount of the correction should be checked so that the distance between the engagement equals to the values calculated by the lever principle.
  • Zb6,Zb7,Zb8 and Zb9 are the tooth numbers of the lever gear(B6,B7), driven gear(B8) and fulcrum gear (B 9) .
  • the rotation speed of winch drum is non-step controlled by the rotation speed of the control shaft.
  • the worm gearing has the self-braking character, therefore, the winch preserve the character of the self-braking as it is and gives no effect to the driving efficiency of the winch. Furthermore, when the driving shaft rotates, the power apply to the driven gear to make the rotation in the same direction, so the worm driving can be operated with the operating motor of low-horsepower.
  • K is the amplification coefficient and it can be decided by the design parameter and the ratio of the worm speed reduction.
  • the parameter should be selected so that to make K big. - Speed character of overload adaptive and non-step controllable winch
  • Fig 5 the speed character of overload adaptive and non-step controllable winch is shown. Following examples are referred in order to consider the characteristic curve, indicating the function of the non-step speed reduction of said winch.
  • the straight line of a,b,c and d shows the change of the rotation speed of the winch drum and shows that the change of the rotation speed of the winch drum is linear.
  • a-b is the interval of the speed increase
  • b-c is one of the speed reduction
  • c-d is one of contrary rotation.
  • the overload adaptive and non-step controllable winch of ball-wedge type has the same speed character too.
  • the overload adaptive and non-step controllable winch can realize overload adaptive and non-step control.
  • Fig 6 shows its schematic view of the control principle.
  • the driving motor is connected to the driving shaft (1), and the operating motor is connected to the control shaft(2)
  • the driving motor and operating motor are connected through the control line (3, 4)
  • the various kind of the winches generally comprises of; winch drum, speed reducer, breaking device and motor.
  • overload adaptive and non-step controllable winch by comprising such as in fig. 6, the overload adaptive and non-step controllable winch can operate with more softness character than hydraulic driving because the electronic movement is faster than fluid speed and the efficiency is by far higher than fluid driving.
  • the operating motor is in the status of the stop if the operating motor operates in the status of normal and it begins the rotation with the proportion speed to the overloading horsepower from the moment that the overloading occurs in operating motor.
  • the operating motor is selected according to the calculation and its horsepower is very lower than the driving motor.
  • the speed control can be done by amplitude-phase control mode.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un treuil à commande continue adaptative de surcharge permettant d'obtenir un freinage automatique, une réduction continue, une augmentation continue, une commande adaptative de surcharge, une commande à distance, une commande automatique et un degré de rotation précis élevé. La caractéristique structurelle du treuil selon l'invention réside en ce que le réducteur de vitesse pourvu du point de support fixe est contenu dans le tambour de treuil et que l'engrenage à vis sans fin est combiné de façon appropriée à l'arbre d'entraînement du réducteur de vitesse, l'arbre de vis sans fin devenant l'arbre de commande, la vitesse de rotation du tambour de treuil étant ainsi réduite ou augmentée en fonction de la vitesse de rotation de l'arbre de commande.
PCT/KP2008/000014 2007-04-23 2008-04-23 Treuil a commande continue adaptatve de surcharge Ceased WO2008130062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KPKP-07-360 2007-04-23
KP36007 2007-04-23

Publications (1)

Publication Number Publication Date
WO2008130062A1 true WO2008130062A1 (fr) 2008-10-30

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Family Applications (1)

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PCT/KP2008/000014 Ceased WO2008130062A1 (fr) 2007-04-23 2008-04-23 Treuil a commande continue adaptatve de surcharge

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819357A (zh) * 2016-06-16 2016-08-03 周玉红 一种能够远程控制的智能船用绞车
CN112874520A (zh) * 2021-02-03 2021-06-01 宜宾丰川动力科技有限公司 一种车辆控制方法、装置、设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002550A1 (fr) * 1987-09-09 1989-03-23 Heinz Frey Entrainement a reglage continu
US20030232679A1 (en) * 2002-06-17 2003-12-18 Cole William R. Bi-powered clutchless variable speed transmission
WO2006137605A1 (fr) * 2005-06-20 2006-12-28 Nung Jun Tae Entrainement universel de type transistor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002550A1 (fr) * 1987-09-09 1989-03-23 Heinz Frey Entrainement a reglage continu
US20030232679A1 (en) * 2002-06-17 2003-12-18 Cole William R. Bi-powered clutchless variable speed transmission
WO2006137605A1 (fr) * 2005-06-20 2006-12-28 Nung Jun Tae Entrainement universel de type transistor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105819357A (zh) * 2016-06-16 2016-08-03 周玉红 一种能够远程控制的智能船用绞车
CN112874520A (zh) * 2021-02-03 2021-06-01 宜宾丰川动力科技有限公司 一种车辆控制方法、装置、设备及存储介质

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