JP2594455Y2 - Dredge anchor boom winch control - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for an anchor boom winch of a dredger.

[0002]

Or increasing the depth of the Related Art Passage and anchorage, the example, when the underwater structure for building, water bottom sediment, in order to remove the sludge, etc., conventionally, dredgers have been widely used.
In filtration come when, sediment underwater by dredger, in removal operations, such as sludge, the inclination of the pulled state and sheave block of the anchor handling wire Dore' di master visually during dredging, the flow rate of the dredging area, considering flow direction By judgment,
There careful to row dredging by controlling the relationship between device manually Unode so as not to cut at stake anchor handling wire cutters at the tip of the dredger.

[0003]

[Problem to be solved by the invention] However,
In the control of related equipment by the manual operation of the Dredge Master,
If the cutter at the tip of the dredger comes near the left or right side of the dredge, the anchor handling wire may interfere with the cutter due to its deflection,
Occasionally, the anchor handling wire may become entangled with the cutter and cause an accident that the handling wire is cut. Once a handling wire cutting accident occurs, it takes a considerable amount of time to repair it,
Since the dredging work is interrupted, the work will be greatly delayed.

[0004] The present invention has been proposed in view of the above circumstances, eliminates the monitoring of related equipment by a dredge master, eliminates individual differences and operation delays due to manual operation, operation mistakes, and the occurrence of accidents in cutting of anchor handling wires. It is an object of the present invention to provide an economical dredger anchor boom winch control device for preventing the occurrence of a drought and increasing the operating efficiency.

[0005]

According to one aspect of the present invention For this purpose, group
The end is wound by the anchor boom winch drum on the hull
Swinged out, the tip side is supported by the anchor boom
Swing anchor via the sheave
Anchor handling wire and the tip
Connected to the anchor, with the base end on the dredging
Through the sheaves supported by the
Swirl entrained and spouted by the inching winch drum
Dredge anchor boom winch with winging wire
A control device, said anchor boom winch drum
However, receiving the driving force of the anchor boom winch motor
The hull swing speed and
The state of the roll-out operation of the swing winch drum
Slack in the anchor handling wire based on
Drive the torque motor to prevent kinking
So that power can also be received through the clutch.
It is characterized by having been done.

[0006]

According to such a construction, when the hull swings, when one of the swing wires is taken up, the other swing wire is extended so as not to be slackened, and is operated at a constant tension by the action of the torque motor and its controller. automatically take-up, will pay-out of the line. As a result, the anchor handling wire maintains a constant tension during the swing and does not loosen, so that it is possible to prevent the anchor handling wire from interfering with the cutter.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a dredger, FIG. 2 is a schematic diagram showing an anchor boom winch drum of FIG. 1, its main motor and torque motor, and FIG. It is a block diagram which shows the control point of the anchor swing winch in FIGS. 1-2.

First, in FIG. 1, 1 is a hull, 2 is a cutter for excavating earth and sand on the bottom of the water, 3 is a rudder projecting forward at the center of the bow of the hull 1, and a cutter 2 is provided at the tip thereof. ing. Numeral 4 is a column-shaped spud driven into the water bottom at the stern of the hull, and is provided at the rear of the hull 1 so as to be a fulcrum when the hull swings and swings. 5a and 5b are swing anchors anchored to the bottom of the water, respectively.
a, 6b and anchor handling wires 7a, 7b. 8a and 8b are anchor booms 14a,
A sheave (pulley) provided at the tip of 14b,
The swing wires 6a and 6b are sheaves 8a and 8b, respectively.
Are wound around the winch drums 9a and 9b by swing winch motors 13a and 13b that drive the winch drums 9a and 9b via the.

[0009]Anchor handling wires 7a, 7b
Is,Attach to the tip of the anchor booms 14a and 14b respectively.
Sheaves 8a, 8b and hull-mounted sheave 8
a ', 8b' via anchor boom winch drum 1
0a and 10b. This place
Drive of the anchor boom winch drums 10a, 10b
By motionswingRaise anchors 5a and 5b
When lowering, use the anchor boom winch motor 11
row at a, 11bWhatNo, anchor handling while swinging
When the wires 7a and 7b become loose,A certain amount of tension
Me,Torque motor 12a for an arch boom winch,
By 12b,Anchoom winch drum 10a,
10b has anchor handling wires 7a, 7b
Each is wound up.

Next, in FIG. 2, the entire structure of the anchor boom winch device of FIG. 1 will be described with respect to the right anchor boom winch for convenience of explanation (the left side has the same structure). 15a is an anchor boom winch motor 1
1a and torque motor 12a for anchor boom winch
Interposed electromagnetic clutch between, 16a is a manual clutch handle switching between anchor boom winch drum 10a and warping drum 17a. Here, switching of anchor boom winch torque motor 12a only in rows that have electromagnetic clutches 15a, anchor boom winch motor 11a is not in controlled simply by companion around. In the control of the anchor boom winch in the dredging state, the anchor swing wire 6a is wound and swung by the torque motor 12a which keeps the torque constant. The engagement and disengagement of the electromagnetic clutch 15a is performed by the manual clutch handle 16a.
The state is set to the main drum side (for switching the warping drum 17a or anchor boom winch drum 10a) detected by the limit switch line stomach, the anchor
This is a condition before using the torque motor 12a for the boom winch .

In such a dredger, the cutter 2
For example, when swinging right from point A to point B, the swing wire 6a is wound by the swing winch drum 9a while the brake is applied to the swing winch motor 13b and a proper tension is applied to the swing wire 6b, and the ladder 3 is wound. Rotate to point B. At this time, the anchor handling wire 7a is swung out so as to correspond to the determined dredging width, so that the starboard-side anchor handling wire 7a is loosened when turning from the point A to the point B. Since the anchor handling wire 7a that this time it will rows dredging excavating the water bottom by the cutter 2 at the same time have loose there is a possibility that involved the cutter 2, to keep the tension of the anchor handling wire 7a constant in a manner to be described later Torque motor 12 for anchor boom winch
a is driven. And each time moving little by little the position of the spud 4 forward (figures above), while the right swing or left swing line stomach, perform dredging area to snow object dredging line Do I.

Referring to FIG. 3, the control procedure of the torque motor 12a of FIG. 2 will be described. Reference numeral 20 denotes a swing speed controller. The swing speed controller 20 controls a swing speed signal based on the swing speed of the hull during the swing. The value v is output sequentially. 21 is a torque command device, entrainment or the drawing board signal winch side of the swing wires corresponding to the speed signal value v and the swing operation (winding operation signal WS, swung operation signal AWS) based on the calculated torque command value Tc, and outputs a torque command signal S _T corresponding to the torque command value Tc. 22 is a torque motor control board, the torque T _M of the brake-side of the torque motor 12a is controlled based on the torque command signal S _T.

Now, the case where the hull is swung to the right will be described .
21, the signal entrainment by the swing speed and the right swing now, as shown in FIG. 3 block diagram, calculates the torque command value Tc, (increased torque operation) in order to keep the torque matching the swing speed, torque motor Controller 2
2, rotate the torque motor 12a, rolling swing wires 16a, you constant control to torque corresponding to the speed signal value v. At this time, the port side anchor boom winch torque motor 5-2b determines the torque signal value based on the swing operation signal AWS since the swing winch drum 9b is swinging, and maintains the torque in accordance with the swing speed (reduced torque operation). ), Torque motor control
The vessel 22 rotates the torque motor 12b to keep the swing wire 6b at a constant tension. In the above embodiment has been described control during the right swing operation, control when left swing operation is also substantially rows of dividing the same manner. As described above, in the present invention the anchor boom winch torque motor 12a, and 12b is automatically controlled based on the current swing speed, swing wires 6a, 6
Since the b tension to ensure a constant amount, the anchor handling wire 7a, is prevented entrainment into the cutter 2 according 7b deflection of, whereby a stable swing Ru are rope <br/> line.

[0014]

According to such a device, by automatically controlling the deflection of the anchor handling wire to a fixed amount, (1) the interference between the anchor handling wire and the cutter is eliminated, and the wire entanglement or cutting accident is prevented. Thus, a stable hull swing becomes possible. (2) dredged master dredging operation is partially automated, dredge master by centrally monitor control dredging equipment base, to implement the good dredging of稼慟efficiency
It is possible. In short, according to the present invention, the base end is the hull
Winding and swinging by the upper anchor boom winch drum
And the front end is supported by the anchor boom.
Anchor that suspends and supports a swing anchor via a
Handling wire and swing anchor at the tip
And the base end is dredged on the hull
Swing wheel on the hull via supported sheave
Swing wire that is wound up by a multi-drum
With dredger anchor boom winch control device
The anchor boom winch drum is
Driven by the driving force of the boom winch motor
Together with the hull swing speed and the swing
Based on the state of the winch drum winding
Make sure that the anchor handling wire becomes slack.
The drive force of the torque motor that drives to prevent
It is configured to be able to receive through a latch
By that, the monitoring of related equipment by dredging master, individual difference and the operation on the manual delay, eliminate operational errors, and prevent the occurrence of cutting accident of the anchor handling wire, economic achieve an increase in稼慟efficiency dredger Thus, the present invention is extremely useful in the industry because it obtains an anchor boom winch control device.

[Brief description of the drawings]

FIG. 1 is a plan view schematically showing a dredger according to a first embodiment of the present invention.

FIG. 2 is an overall enlarged view showing an anchor boom winch drum and the like, which is a part II in FIG.

FIG. 3 is a block diagram showing a control circuit of a torque motor for an anchor boom winch in FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Dredger (hull) 2 Cutter 3 Ladder 4 Spud 5a, 5b Swing anchor 6a, 6b Swing wire 7a, 7b Anchor handling wire 8a, 8b Sheave 8a ', 8b' Sheave 9a, 9b Swing winch drum 10a, 10b Uncurb winch drum 11a, 11b Unboom winch motor 12a, 12b Torque motor for unboom boom winch 13a, 13b Swing winch motor 14a, 14b Unboom boom 15a Electromagnetic clutch 16a Manual clutch handle 17a Warping drum 20 Swing speed controller 21 Torque commander 22 Torque motor control vessel

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B63B 21/50 B63B 35/00

Claims (1)

(57) [Scope of request for utility model registration] 1. An anchor boom wing having a base end on a hull.
Coiled by rolled out and anchored at the tip
Swing-an via sheave supported by boom
An anchor handling wire that suspends and supports the car
The end side is connected to the swing anchor, and the base side is
Via a sheave supported by a dredging rudder on the hull
By the swing winch drum on the hull
Dredger anchor with swing wire
A boom winch control device, comprising:
The winch drum is an anchor boom winch motor
Driven by the driving force of
Of the swinging winch drum
The anchor handling wire based on the
The drive that prevents the ear from sagging
Receiving the driving force of the luk motor via the clutch
Dredging, characterized in that
Ship anchor boom winch control device.