JPS6145891A - Winch device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a winch device for hoisting a floating load, and particularly to a winch device used on a choppy sea.

[Technical background of the invention and its problems]

When driving such a winch device, the life is -
When picking up floating loads such as boats, buoys, bell-shaped submersibles, etc.
There is a difficulty in avoiding shock and agitation. When the sea is rough, especially when the wave height is approximately 6 m and the wave period is 7 seconds, the load must be hoisted by a ship or offshore platform to avoid impact.

Two motors are provided for such winch devices. One motor functions as a winch motor to lift and lower the load from the sea surface, while the other, smaller motor functions to tension the cable when the load is suspended above the sea surface. ing.

Due to this, the cable must be unwound from the drum as the load descends from the wave crest to the wave trough;
When the load reaches the wave crest again, the cable must be rapidly wound up. The motor can be switched on and off by coupling the transmission line to the cable drum. Furthermore, the motor must be turned on and off hydraulically, and a valve control mechanism is used for this purpose.

Winches also require cable winding and unwinding by means of hydraulic mechanical and winch motors, which are structurally more expensive and costly.

Known winch devices are complex in construction and slow in their control operations, resulting in slow operation. If control actuation is done manually, erroneous switching can lead to a dangerous situation.

[Purpose of the invention]

The purpose of this invention is to pick up a load floating on rough seas without being subjected to impact. The winch device of the invention limits dynamic overloading of the cable, avoids erroneous operation, and allows simple and reliable operation.

The above object can be achieved by the means set forth in claim 1. Furthermore, advantageous embodiments of the invention and its details are characterized by the dependent claims.

The present invention specifically switches the winch motor to a hydraulic idle state for sea motion following operation, thereby allowing the winch motor to operate in a hydraulic idle state for the winding and unwinding of the following motor to maintain the cable taut. does not constitute any resistance. Preferably, a running clutch is used to disconnect the winch motor in one rotational direction.

The seamotion follower motor is adapted to maintain the cable tension at a predetermined value, which value is set at 50% of the cable's maximum overload. Switching from the sea motion following operation to the load lifting operation is automatically performed because the drive is monitored.

Accordingly, automatic switching from seamotion following operation to winch operation is not performed until the seamotion following motor drives the drum in the cable winding mode.

Such switching in the direction of rotation is effective. This is because the load is floating on top of the pump, the cable is wound up, and in this state the winch motor is operated to pick up the load. Does this result in dynamic overloading of the cable? Furthermore, according to the present invention, means are provided that allow the cable to be wound up by the follower motor even when the load picked up by the winch motor is again exposed to the waveform and lifted upwards. ing. in this case,
The follower motor catches up with the winch motor in the cable winding 9 mode and holds the cable taut.

The operation of the winch motor is performed depending on the rotational direction of the sea motion following motor, and a control signal is generated according to the rotational direction of the seamotion follower motor, and the winch motor is operated by this control signal. This prevents the winch motor from operating as long as the control signal is present.

On the other hand, when a load is on the cable, the follower motor must not be activated and must be supported by a winch motor. In order to automatically monitor the cable tension, according to the invention, a torque support is additionally provided for the direction of rotation to be monitored, which torque support is activated when the torque exceeds a predetermined value. , that is, when the cable receives a load, it prevents the following motor from operating. As a result, the cable has a load φ
Only when there is no pressure, that is, when the torque at the drum does not reach a predetermined value, the sea motion following motor 1 can be operated.

Furthermore, according to the present invention, the tracking motor can automatically switch from creep speed to sea motion tracking mode for removing slack in the cable. This can also be done by means of valves. The valve means generates a control signal that initiates creep speed. Switching from creep speed to sea motion follow mode is again done automatically depending on the direction of rotation of the follow motor. If a load is piled on the cable, the cable is loosened, and the load is descending from the crest of the wave to its bottom, the cable is let out and the direction of rotation of the follower motor is reversed, This follower motor switches from motor operation to pump operation. Pressure medium from the pump is delivered at a pressure setting valve. The resulting pressure again generates a control signal which switches the valve means. Accordingly, the follow-up motor receives maximum pressure and capacity to perform the sea motion follow-up operation.

-14= By doubly monitoring the cable tension depending on the rotation direction of the torque sahort and follow-up motor, it is possible to prevent erroneous operation.
When the motion following motor is accidentally switched to the load lifting mode, a dangerous switching operation can be prevented. Manually entered switching commands are not implemented until compliance of the valve control mechanism is established, relying on monitoring of torque and direction of rotation.

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described based on the drawings. In FIG. 1, a cable drum 1 is driven via a planetary gear ring 2. In FIG.

The cable drum 1 is connected to an outer center wheel 3. The inner center wheel 4 of the planetary gearing is connected to the shaft 5. The silanet wheel 9 is attached to a carrier 6, and this carrier 6 is fixed to the foundation.

The cable drum 1 is attached to the planet wheel gear 6 at parts 7 and 8.

The shaft 5 is connected to a winch motor 12 via an overrunning clutch 1o.

The winch motor 12 is a hydrostatic machine, for example an axial piston machine with high torque and relatively low rotational speed, for elevating and lowering loads.

Overrunning clutch 10 is of a conventional type. The shaft 5 supports the inner cage, and the output shaft 1 of the winch motor 12 supports the outer cage. A clamp body is provided between the inner cage and the outer cage, and this clamp body connects or disconnects the inner and outer cages depending on the direction of rotation of the inner and outer cages. Such an overrunning clutch 1
Since 0 is generally known, it is not shown in detail in FIG.

In order for the winch motor 12 to lift a load, the overrunning clutch 10 must be released when the winch motor 12 is driven in the lifting direction.

A seamotion follow-up motor 14 is attached to the other end of the shaft 5, and this follow-up motor 14 is also configured as a hydrostatic machine. Compared to winch motor 12, follower motor 14 has a relatively high speed and low torque.

The follow-up motor 14 has the function of rapidly winding the cable around the cable drum 1 and letting it out when the load is floating on the rippling sea surface and is alternately moving up and down with the waves. .

The cable must be kept taut with some tension at all times. In the winding of the cable, the following motor 14 functions as a motor, whereas in the unwinding of the cable its direction of rotation is reversed and it is operated in pump mode, ie in the mode driven by the cable drum 1.

If the load is lifted from the sea surface, the following motor 14
is no longer operated in pump mode and
The cable is also no longer fed out. For this purpose, the shaft 5 is equipped with a freewheel 15 and a coupling 16. The freewheel 15 is of conventional construction and has an inner cage. This inner cage is arranged on the shaft 5. The outer cage is connected to the coupling plate 17 of the coupling 16. A clamp is disposed between these two cages, which locks the freewheel operation in one direction when the outer cage is held fixed, and locks the freewheel in the other direction. In this direction, the freewheel is open. In this case, when the coupling 16 is open, the shaft 5 can freely rotate in both directions. However, when the coupling plate 17 is pressed by the coupling spring 18 against a coupling disc 20 fixed to the coupling housing 19, the coupling 16 is engaged. Here, the coupling housing 19 is rotatably mounted on the silanet carrier 60 section 21 and on the shaft 5 section 22. The shaft 5 is fixedly supported by the coupling housing 19 via a support arm 24. In this way, the follow-up motor is locked in the direction of rotation of the unwinding, ie, the direction of pulling out the cable, while in the opposite direction of rotation, ie, the direction of winding the cable, it is freely allowed to rotate by 50 degrees. When the coupling 16 is opened, the working cylinder 25 of the coupling 16 now receives the pressure medium, ie the fluid introduced via the connection. When there is a lack of fluid pressure, the coupling 16 is engaged by the coupling spring 18 via the piston 26.

It is clear that the overrunning clutch 10 is locked in the downward direction of the follower motor 14 and released in the upward direction of the follower motor 14. As a result,
When the winch motor 12 is being driven to lift a load, the cable is rapidly wound up by the follower motor and lifted by the rising wave, thereby releasing the tension in the cable. In this situation, if overrunning of the output shaft 11 in the lifting direction is not possible, the load will eventually fall back onto the cable, which must be avoided.

It should also be noted that the transmission connection between the motor and the cable drum 1 can also take other forms, for example by a multi-stage planetary gear.

FIG. 2 shows the valve control mechanism. This valve control mechanism keeps the load floating on the sea surface on a taut cable when the sea is rough.The winch motor 12 is driven so that the load is accurately and immediately automatically picked up and hoisted. be done. In Fig. 2, winch motor 1
A directional valve 28 is provided to perform lifting with 2. This directional valve 28 is connected to control line a.

hydraulically via b to the lifting position (control command a switches the directional valve 28 to the right) or to the lowering position (control command a switches the directional valve 28 to the left). Replace. When a control command is placed on control line a or control line b, the control pressure is also transmitted via shuttle valve 29 to another line valve 30. Therefore, this shuttle valve 30 is switched, thereby connecting the connection A1 between the directional valve 28 and the winch motor 12 for lifting, and the connection B1 between the directional valve 28 and the winch motor 12. On the other hand, the connecting portion B1 of the directional valve 28 is directly connected to the system valve 30 via a line 31, and a check valve 33 is provided in the line 32 of the connecting portion A1.

This check valve 33 is connected to the connection part A1 of the winch motor 12.
It is arranged parallel to the brake valve 34 for holding and lowering. Thereby, pump pressure is transmitted from the connection P in the line 32 via the check valve 33 and the line valve 30 to the connection A1 of the winch motor 12 in order to lift the load. Another connection B1 of this winch motor 12 is connected to a tank via a system valve 30. In order to lower the load, the directional valve 28 is switched, so that the connection P is connected via the line 31 to the connection B1 of the winch motor 12, and from the connection A1 the winch motor 12 is connected. The delivered pressure medium flows via line 32 and brake valve 34 to the tank. The back pressure required to change the direction of the load is set in the brake valve. Since the circuit of the winch motor 12 is already known, it will not be described in detail.

On the other hand, if the follower motor 14 is operated to maintain the cable tension at a predetermined value in response to the load floating in the waves, the winch motor 12 will be switched to a hydraulic idle state. For this purpose, a line valve 30 is provided, which line valve 30 is held by a spring 35 in the position shown, in the absence of control pressure from the shuttle valve 2. In this position of the line valve 30, the connections A1 and B1 of the winch motor 12 are connected to each other and to the tank via the line valve 30. Furthermore, via the leakage line 36 of the winch motor 12, the housing chamber of the hydrostatic mechanism is under pressure.

As is known, hydrostatic machines essentially have a rotor. The rotor is equipped with a number of cylinders in which pistons are arranged. These pistons are supported by cam discs. Depending on the position of the piston relative to the cam disk, the cylinder chamber receives fluid, ie is connected to a tank, and the linear movement of the piston is converted into a rotational movement of the motor.

When the machine is switched to hydraulic freewheel mode, the cylinder chambers are connected to each other via the line valve 3θ,
The housing chamber 71 of the machine is then subjected to a relatively small pressure via the leak line 36. As a result, the piston lifts off the cam disc and the cylinder drum is free to rotate together with the housing.

When the winch motor 12 is switched into the hydraulic idle state, this winch motor 12 is activated when the following motor 14 is operated in the cable winding direction.
Remains static. This is because the overrunning clutch 10 is open, whereas the winch motor 12 is accelerated when the follower motor 14 is actuated in the cable payout direction. However, in this state, the overrunning clutch 10 is locked. This is not a consequence for the [Follow Sea Motion] mode.

The valve control mechanism 4θ that sets the [Following Sea Motion] mode or the [Hoist Load] mode first switches the hydraulic idle state of the winch motor 12 on or off, and then controls the control pressure for actuating the coupling 16. In addition to having the function of obtaining the following motor 1,
It has the function of supplying fluid to 4.

The valve control mechanism 40 comprises a pressure line 41 which can receive fluid from the pump P only when the connecting valve 42 is opened. The connecting valve 42 is actuated by the arm 24 of the coupling housing 19 for the coupling 16. Thereby, the arm 24 is not supported directly on the housing, but on the actuating member of the connecting valve 42. This connecting valve 42 is fixed to the housing.

Furthermore, the pressure reducing valve 43 is connected to the pressure line 41. This allows the line 44 to be depressurized. Via a throttle valve 45 and a check valve 46, a pressure reduction line 41 is connected to a line 47 leading to the follow-up motor 14.

In addition, the line 44 is led via the connection L1 to the leakage line 36 of the winch motor 12 and then via the shuttle valve 48 and the connection 2 to the working cylinder 25 of the coupling 16. Furthermore, the shuttle valve 48
is connected to the lowering line 31 of the winch motor 12 via a connection z1.

Also connected to the line 44 is a line valve 50 which either connects the line 44 to the tank as in the illustrated position or connects the line 44 to the tank in a known manner in the switching position. Connect to pressure reducing valve 430 control connection. Switching of the system valve 50 is performed using the line 5 to which the shuttle valve 52 is connected.
10 control pressure. The control pressure for the line valve 50 can be led via the connection X by a line which is under pressure when the valve, which is not shown, is actuated. This valve is also connected to a line 54, which line 54 is connected to valve means 56, by which the line valve 56 is connected.
A control pressure of zero is generated. Valve means 56 are provided in line 47 , which line 47 is connected to follower motor 14 . In the position shown, the valve means 56 blocks one direction of the line via a check valve, whereas
Passages in other directions remain open. In the position shown, the valve means 56 is set in the "cable winding" condition, and the follower motor 14 is operating as a motor 9 and fluid is supplied via the connection. . On the other hand, when the valve means 56 is switched, the follower motor 14 operates in pump mode, in which the cable is paid out from the drum and the fluid delivered by the follower motor 14 is transferred to line 47, connection A. and check valve 60 . via switched valve means 56 . line 6 through the shutoff valve 58 and pressure setting valve 59 in the open state.
1, and this leads to υ, line B. It is sucked back from this line B to the follow-up motor 61. Furthermore,
Line 61 is connected to the tank via a spring loaded check valve 62.

The valve means 56 is configured such that a control pressure is generated in the line 54 during unwinding, while no control pressure is generated during winding. For this purpose, a slider of the valve means is connected to the piston 64 and its cylinder chamber 6
5 is connected to line 47. Further, the other cylinder chamber 66 is connected to the line 54.

When the cable is paid out, the follower motor 14 operates in pump mode and a pressure is created in the line 47 which acts on the cylinder chamber 65 which causes the piston 64 to be moved to the right and the valve means 56 It looks strange. As a result, the line 54 is connected to the cylinder chamber 65,
Control pressure from line 47 also acts on line 54.

However, the direction of rotation of the follower motor 14 is reversed,
If this follower motor 14 operates in motor mode and winds up the cable, the line 540 control pressure will be cut off by switching off the valve means 56. In the state described above, the control pressure functions to switch the winch motor 12 to a hydraulic state, and also operates the winch motor 12 for lifting according to the rotation direction of the follower motor 14. Function.

For rapid cable winding and unwinding, follower motor 14 receives and takes fluid from pump P via line 68. Connection A of the follower motor 14 then receives sufficient pressure and capacity via the open isolation valve 58, valve means 56 and line 47, so that the follower motor 14 rapidly While the cable is being wound up, the fluid delivered by the following motor 14 is sucked into the other connection B via the lines 47 and 61.

However, the valve means 56 is configured as a follow-up regulating valve.
This valve means 56 generates a control pressure depending on the direction of rotation of the follower motor 14.

The operating modes of the valve control mechanism are summarized below.

Line valve 50 is initially in the position shown, in which line 44 is connected to the tank.

In addition, coupling 16, i.e. coupling 1
The connection 2 leading to the cylinder chamber 25 of 6 and the connection L1 leading to the leakage line 36 of the winch motor 12 are opened. The coupling 16 is therefore engaged and the shaft 5 is blocked in the direction of descent.

Now, in order to set the valve control a structure in [following sea motion], suppose that control pressure is applied to the connection part X from the outside. is seen as a strange change, and this line 4
4 is cut off to the tank. However, line 44 is connected to a control connection of pressure reducing valve 43.

The connecting valve 42 can only be opened when the torque exerted by the arm 24 is below a predetermined value, i.e. when the winch hook is unloaded. Tsumashi,
If no load is applied to the hook, the arm 24 is connected to the connecting valve 42 via the now locked freewheel 15 and the engaged coupling 16.
Apply torque to. This torque exceeds a predetermined value and the connection valve 42 is therefore shut off. therefore,
An automatic check of the cable tension at the drum is made via the arm 24, which acts as a torque support. If the cable is loaded, the follower motor 14 must not be activated. This is because the follow-up motor 14 cannot hold the load. On the other hand, if the cable tension is small, the connection valve 42 opens and fluid flows from the line 41 via the pressure reducing valve 43 to the line 42 and through the connection 2 to the now open coupling 16. flows to This allows the follower motor 14 to operate freely in both directions.

Furthermore, in the leakage line via the connection L1, the line valve 30 of the winch motor 12 is in the position shown, in which connection L1 and B1 are interconnected. Furthermore, via the diaphragm 945 and the line 47,
The follower valve 14 is supplied with a small volume of fluid so that the follower motor 14 drives the cable drum 1 with a small tension and at a low speed, so that the initially slack cable is wound up and taut. After the cable is secured to the load floating on the surface of the sea, it is loosened. Once the slack cable has been wound up, the follower motor 14 is deactivated.

Then, when the load falls from the top of the wave to the bottom, the cable is let out and the direction of rotation of the follower motor 14 is reversed. Fluid is then delivered via connection A to line 47 and valve means 56. At this time, the valve means 56 has been switched. As a result, line 54 is under pressure and, via shuttle valve 52 and line 51, line valve 50 is held in the switching position. As a result, the control pressure of the valve means 56 can be maintained to maintain the sea motion following mode even if the control pressure at the connection part Acts as pressure.

Furthermore, shuttle valve 58 is now actuated, resulting in
With line 61? A connection with the amplifier line 68 is established.

Thus, via valve means 56 and shuttle valve 58,
[Follow Sea Motion] operation is automatically set for the follower motor 14, where the follower motor 14 is switched to maximum operating pressure and rotational speed. For this,
The winch is operated to follow the sea motion that rapidly winds and unwinds the cable. The throttle valve 45 for low speed operation is cut off via a check valve 46.

The pump pressure is transmitted via line 68 for winding the cable to line 41 and then to the connection of follower motor 14. On the other hand, the pressure for paying out the cable at valve 59 is set, and also the pressure in line 4
The fluid delivered from 7 is transferred to follower motor 14 via line 61.

After the creep operation, which tensions the loosened cable, has been completed, the direction of rotation is reversed and the cable is unwound by a load floating on the sea surface, and the valve means 56 and shuttle valve 58 automatically follow the sea motion. Cut and change.

On the other hand, a winch motor 12 for hoisting a load from the sea surface
is only when the direction of rotation of the following motor 14 is reversed,
That is, it can only be activated when the load floating on the sea surface is lifted by waves and the cable is rapidly wound up by the follower motor 14. The operation of the winch motor 12 for lifting a load is started by releasing the pressure on the connection X-swing line 53. The line valve 50 is held in the switching position, where the line 44 is connected to the follower motor 14.
It remains under pressure until the zero rotation direction is reversed and cable winding is performed in motor mode. The control pressure in line 54 is removed, which causes line valve 50 to switch to the position now shown, connecting line 44 to the tank.

The leak line 36 is now connected to the tank via the connection L1 and the coupling 16 is engaged.

As a result, the following motor 14 is blocked in the rotational direction of the [feeding cable] in the cable drum 1. A control pressure is generated in the control line of the directional valve 28 and the line valve 30, and this control pressure switches the directional valve 28 to the [lifting position] and also switches the line valve 30. Accordingly, the connection part A of the winch motor 12 is connected to the bomb fP, and the connection part B1 is connected to the tank. Therefore, the winch motor 12 lifts the load from the sea surface.

When a load is being slowly hoisted by the winch motor 12, if the load is to be lifted again by a wave, the follower motor 14 is connected to the line 68, the shuttle valve 58 in the open state, and the load shown in FIG. Fluid is received and taken through valve means 56, which is located in the same position, and is actuated in winding mode. Follow-up motor 14 is winch motor 1
Since it is operated at a speed higher than 20 rotational speed, the freewheel 15 is able to move around the axis 5 in the winding direction of the cable drum 1, even if the coupling 16 is engaged.
Allow 0 rotation. This allows the follower motor 14 to rotate faster than the winch motor 12 and to hold the cable taut.

By means of safety measures (not shown), the control pressures a and b are monitored, so that when the winch motor 12 is switched to the hydraulic idle state, the valve 28
and 30 will not be activated due to malfunction.

When the load is lowered by the winch motor 12, the connection B1 of the directional valve 28 is connected to the bong 7''P, and via the shuttle valve 48 and the connection 2, the coupling 16 connects the winch motor 12 to the load. It is released when the direction of is changed.

To lower the end of the cable to the sea level and to secure the cable to the load, the follower motor 14 must be activated in the lowering direction in order to pay out a predetermined length of cable from the cable drum 1. This is because, unless the overrunning clutch 10 is loaded with the hook,
This is because they are not engaged. For this purpose, the following motor 14 can be driven via a valve not shown. The cable can also be retracted in other ways, for example by intermittent disconnection of the overrunning clutch 10. On the other hand, if the cable is lowered by the following motor 14, the coupling 25 must be easily released from this operation. This can be done, for example, via the line 69 and the connection z1 if the lowering line 31 of the winch motor 12 is connected to the pump P for lowering.

[Brief explanation of drawings]

The drawings show an embodiment of the invention, with FIG. 1 being a schematic diagram of a winch device, and FIG. 2 being a circuit diagram of the winch device. 1... Cable drum, 2... Sila net gear, 3
... Center wheel, 4 ... Inner center wheel,
5... Axis, 6... Carrier, 10... Overrunning clutch, 12... Winch motor, 14...
・Following motor, 15...Freewheel, 16...
Coupling, 25... Operating cylinder, 40... Valve control mechanism, 42... Connection valve, 43.50... Valve means, 45... Throttle, 5θ... System valve, 56 .58...
・Valent means O Applicant's agent Patent attorney Suzue Takehiko 371

Claims (1)

[Claims] 1. A high-torque winch motor for lifting a load;
A first transmission line between a hydraulic machine as a seamotion follower motor, a winch motor for lifting a load, and a cable drum, and a cable drum that rapidly winds the cable in response to the operation of the follower motor as a motor or pump. a second transmission line between the SeaMotion following motor and the cable drum for maintaining tension in the cable by taking or paying out; and a second transmission line provided in the transmission line for establishing a driving connection between the motor and the cable drum; In a winch device, the winch device is equipped with a coupling that is attached to a valve, and a valve control mechanism that operates a sea motion following motor in a [following sea motion] position and operates a winch motor in a [load lifting] position. When the control mechanism is in the "following sea motion" position, the hydraulic machine as a winch motor is switched to a hydraulic idle state, and the pressure connection and the return connection of this hydraulic machine are connected to each other. When the valve control mechanism is switched from "Follow Sea Motion" to "Load Lifting", the winch motor will move in the direction of rotation of the follow motor. Winch device, characterized in that the hydraulic idling state is released when the following motor is driven in the winding direction of the cable. 2. The winch device according to claim 1, characterized in that when the valve control mechanism is switched to the "lifting load" position, the follow-up motor is stopped in feeding out the cable. 3. The winch device according to claim 2, wherein the follow-up motor is mechanically braked. 4. Any one of claims 1 to 3, characterized in that when the valve control mechanism is switched to the [load lifting] position, the follow-up motor can be driven in the cable winding direction. The winch device according to item 1. 5. When the valve control mechanism is switched to the [following sea motion] position according to the direction of rotation of the following motor, a control pressure is generated that turns on or off the hydraulic idle state of the winch motor. 5. A winch arrangement as claimed in any one of claims 1 to 4, characterized in that it operates valve means to switch off. 6. Any one of claims 1 to 5, characterized in that when the winch motor is in the [load hanging] position, the follow-up motor is stopped (pressure Z1 decreases).
Winch equipment as described in Section 1. 7. Depending on the cable tension or the torque developed in the transmission line between the follower motor and the cable drum, the hydraulic idling state of the winch motor and the motor operation of the follower motor are switched on and the predetermined cable tension , the follower motor is activated and the winch motor switches to hydraulic idle when the cable tension exceeds a predetermined level.
A winch device according to any one of claims 1 to 6, characterized in that it is actuated. 8. In the transmission line between the following motor and the cable drum, a reversing block means is arranged, the reversing blocking means is provided with a freewheel, and this freewheel is provided on the shaft connecting the following motor and the cable drum. 8. A winch device according to claim 7, wherein the outer cage of the reversing block means is fixedly supported with respect to the housing via a coupling. 9. The support of the coupling in the housing is made through a connecting valve, which is arranged in a pressure line leading to the housing chamber of the winch motor, the working chamber for releasing the brake and the following motor. 9. The winch device according to claim 8, characterized in that: 10. When the coupling is engaged and the torque generated in the transmission line is below a predetermined value, the pressure line receives pressure via the connection valve, 10. The winch device according to claim 9, wherein the winch device is closed when the winch device is exceeded. 11. The winch device according to claim 9 or 10, wherein the follow-up motor and the pressure line are connected to the downstream side of the connection valve via a throttle (creep speed). 12. The winch device according to claim 9 or 10, wherein the pressure reducing valve is disposed in the pressure line downstream of the connection valve. 13. The pressure reducing valve can be switched by a system valve, the system valve connects a pressure line downstream of the pressure reducing valve to a tank or the pressure reducing valve, and the system valve can be switched by a control pressure, 13. The winch device according to claim 12, wherein the control pressure is generated according to the rotational direction of the following motor. 14. Claim 13, characterized in that the system valve can be switched by control pressure (connection part), and this control pressure is arbitrarily set by manual operation of the valve control mechanism.
Winch equipment as described in Section. 15. The control pressure, which depends on the direction of rotation of the follower motor, is generated by a valve means, which valve means is arranged in the pressure medium source and in the connection line of the follower motor to the tank, and the control pressure is generated by the cable being paid out. If the following motor driven by is in pump operation, the control pressure can be interrupted if the following motor is in motor operation, which is generated by the pressure created in the connecting line and receives a pressure medium for winding the cable. A winch device according to any one of claims 1 to 14. 16. When the follower motor pumps, the isolation valve and the pressure medium source provided between the valve means are opened, via which the follower motor is controlled in its direction of rotation from winding to unwinding of the cable. Claim 15, characterized in that when the valve means opens during reversal (switching from creep speed to follow-up sea motion), it is directly connected to a pressure source that bypasses the pressure reducing valve and the restriction. Winch device as described. 17. The winch device according to claim 15 or 16, wherein the tension of the cable is adjustable when the pressure setting valve is in the [following sea motion] position. 18. The transmission line of the winch motor to the cable drum is provided with an overrunning clutch, and this overrunning clutch operates when the winch motor for hoisting a load is driving, and when the following motor is in the payout state, Claims 1 to 17, characterized in that the method is blocked and released in the winding direction.
A winch device according to any one of paragraphs. 19. The cable drum is driven through a planetary gear, its outer center wheel is connected to the cable drum, and its inner center wheel is connected to the overrunning clutch of the winch motor and the shaft of the follower motor, and the planet wheel carrier is stationary. A winch device according to any one of claims 1 to 18, characterized in that: 20. The winch device according to any one of claims 1 to 19, wherein the follow-up motor is a hydraulic machine with a high speed compared to the rotational speed of the winch motor. 21. Claims characterized in that the winch motor is a low-speed, high-torque hydraulic machine that can be switched to a hydraulic idle state, the housing chamber of which receives pressure from a cam disc to lift the piston. 1st
The winch device according to any one of Items 20 to 20.