TWI603887B - Horizontal monitoring method for lifting type work boat - Google Patents

Description

Level monitoring method for lifting workboat

The invention relates to a lifting type working vessel; in particular to a level monitoring method of a lifting type working vessel.

The lifting type working ship is installed at sea and used as a platform for maritime engineering. It can adjust the distance between its hull and the sea surface in response to tides, which is the basis for maritime engineering.

The conventional lifting workboat includes a plurality of bar anchors, a hull and a plurality of lifting devices, wherein the bar anchors are fixed to the seabed and each of the bar anchors has a plurality of positioning holes along the long axis of each of the bar anchors Arrange. The hull is disposed for each of the rod anchors and combined with each of the lifting devices, and each of the lifting devices moves relative to each of the rod anchors to drive the hull to be displaced up and down along the long axis of each of the rod anchors.

Since the ship system is used as a work platform, it is necessary to maintain the hull in a horizontal state as much as possible when the hull is moved by each of the lifting devices. At present, personnel can only view the horizontal state of the hull through the level meter, and then adjust the lifting device to drive the hull movement according to experience. However, due to the experience of personnel, adjusting the level in this way, there will still be errors, and it is often necessary to adjust the hull to an appropriate level after repeated adjustments.

In view of the above, an object of the present invention is to provide a level monitoring method for a lift type work vessel, which allows a user to intuitively know the relative heights of various monitoring points on the hull.

In order to achieve the above object, the present invention provides a horizontal monitoring method for a lift type work vessel, wherein the lift type work vessel includes a hull, a plurality of rod anchors and a plurality of lifting devices, and the hull is movably disposed at the The lifting device is coupled to the hull, and each lifting device is configured to drive the hull to move relative to each of the bar anchors; the horizontal monitoring method comprises the following steps: A. providing at least one horizontal detecting device And detecting, by the level detecting device, a first tilt angle of the hull in a first direction and a second tilt angle of the hull in a second direction, wherein the first direction and the second direction Calculating the monitoring points of the hull according to the first inclination angle and the second inclination angle and the distance and relative position between the horizontal detecting device and the plurality of monitoring points on the hull Relative height; C, the data corresponding to the relative heights of the monitoring points are displayed on a display.

The effect of the invention is that the user can observe the data and the horizontal state of the relative height of the hull on the display, in particular, when the hull is lifted and lowered by the lifting device, the relative height of the hull can be instantly known, and the corresponding control can be directly controlled. The lifting device accurately moves the hull.

In order to explain the present invention more clearly, a preferred embodiment will be described in detail with reference to the drawings. Referring to Figures 1 to 2, a lift type workboat 100 for applying the level monitoring method of a preferred embodiment of the present invention includes a plurality of rod anchors 10, a hull 20 and a plurality of lifting devices 30.

The rod anchors 10 are elongated and have a bottom portion fixed to the seabed (not shown). The outer peripheral surface of the rod anchor 10 has four surfaces 102, and each of the surfaces 102 is recessed with a plurality of positioning holes 104. The positioning holes 104 are spaced apart from top to bottom along the long axis of the rod anchor 10.

The hull 20 is a rectangular platform on which a control room 22 is disposed. The rod anchors 10 are respectively passed through the area of the four corners of the hull 20.

The lifting device 30 is disposed on the hull 20 in the area where the bar anchors 10 are located to drive the long axial movement of the hull 20 relative to the bar anchors 10, and the control room 22 is located in the two lifting devices. Between 30. The lifting devices 30 are identical in structure, and a lifting device 30 and a bar anchor 10 are exemplified.

The lifting device 30 includes a lower fixing seat 32, an upper fixing seat 34, a plurality of hydraulic telescopic rods 36 and a movable frame 38. The lower mount 32 is coupled to the hull 20, and the lower mount 32 has a chamber 322. The upper fixing base 34 is coupled to the top of the lower fixing base 32. The upper fixing base 34 is provided with at least one positioning pin 342. In this embodiment, the number of the at least one positioning pin 342 is four, and each of the positioning pins 342 is respectively Located on the outer side of each of the surfaces 102, each of the positioning pins 342 is driven by the pneumatic cylinder 344 to move along the radial direction of the rod anchor 10, and is movably inserted into one of the positioning holes 104 of each of the surfaces 102. The hydraulic expansion rods 36 and the movable frame 38 are located in the chamber 322 of the lower fixing base 32. One end of each of the hydraulic expansion rods 36 is pivotally disposed on the wall surface of the top of the chamber 322. The movable frame 38 is disposed. The other end of each of the hydraulic expansion rods 36 is pivotally disposed on the movable frame 38. The movable frame 38 is further provided with four positioning pins 382, each of which is driven by the pneumatic cylinder 384 to move along the radial direction of the rod anchor 10, and is movably inserted into a corresponding one of the positioning holes on each surface 102. 104. Thereby, the lower fixing base 32 and the upper fixing seat 34 constitute a fixing portion of the lifting device 30, and the movable frame 38 constitutes a movable portion of the lifting device 30, and the movable frame 38 is subjected to the hydraulically-applied rods 36. It is driven to move along the long axis of the rod anchor 10.

When the positioning pin 382 on the movable frame 38 is inserted into the positioning hole 104, and the positioning pin 342 on the upper fixing seat 34 is withdrawn from the positioning hole 104, the boat can be driven by controlling the extension of the hydraulic expansion rod 36. The body 20 is moved up; otherwise, if the hydraulic expansion rods 36 are shortened, the hull 20 is moved downward. When the upper fixing seat 34 is moved to the positioning, when the positioning pin 342 on the upper fixing seat 34 is aligned with the positioning hole 104, the positioning pin 342 on the upper fixing seat 34 is controlled to be inserted into the positioning hole 104, and the activity is controlled. The positioning pin 382 on the frame 38 is withdrawn from the positioning hole 104 to fix the position of the hull 20.

A control device 40 is disposed in the control room 22 to electrically connect the control device 40 to a display 42. The control device 40 is configured to control the lifting devices 30, such as controlling the pneumatic cylinders 344, 384 to drive the movement of the positioning pins 342, 382, and controlling the extension or shortening of the hydraulic expansion rods 36 to drive the hull 20 relative to each other. The rod anchors 10 move.

A horizontal detecting device 44 is disposed in the lower fixing base 32 of the two sides of the control room 22, and the horizontal detecting devices 44 are electrically connected to the control device. The two horizontal detecting devices 44 are two-axis electronic level devices. The second level detecting device 44 detects a first tilt angle of the hull 20 in a first direction D1 shown in FIG. 1 and a second tilt angle of the hull 20 in a second direction D2. The first direction D1 and the second direction D2 are perpendicular to each other.

With the above architecture, the level monitoring method shown in FIG. 3 can be performed, including the following steps:

First, a plurality of virtual monitoring points M and a virtual reference point R are preset on the hull 20, and the positions of the monitoring points M are respectively located in the area where the four-bar anchor 10 is located, and two monitoring points M The position of the two-level detecting device 44 is located; the reference point R is located at the center of the hull 20, and the distance from the reference point R to each of the monitoring points M is equidistant. The distance between each of the horizontal detecting devices 44 to the monitoring points M is measured, and the distance between each of the horizontal detecting devices 44 to the reference point R is measured. The measured distance and the relative positions of the monitoring points M and the reference point R are recorded in the control device 40.

The control device 40 displays an operation interface A on the display 42. The user can select one of the two horizontal detection devices 44 by using buttons B1 and B2 on the operation interface A. B1 selects the level detecting means 44 located on the left side of the control room 22.

The control device 40 detects the first tilt angle of the hull 20 in the first direction D1 and the second tilt angle of the hull 20 in the second direction D2 through the level detecting device 44.

The first tilt angle and the second tilt angle measured by the level detecting device 44 and the distance between the horizontal detecting device 44 and the monitoring points M on the hull 20 are relative to each other. The position calculates the relative heights of the monitoring points M of the hull 20. In this embodiment, the control device 40 calculates the relative height of the reference point R according to the first tilt angle and the second tilt angle and the distance and relative position between the horizontal detecting device 44 and the reference point R.

Then, the data corresponding to the relative heights of the monitoring points M is displayed on the display 42. With reference to FIG. 4, in the embodiment, the control device 40 presets the relative height of the reference point R as a reference value, and the operation interface A presets to select the button B3 corresponding to the reference point R, and according to The reference value is a positive value or a negative value for displaying the data. If the reference value is a positive value, the data after subtracting the relative height of all the monitoring points M from the reference value is displayed on the display 42; The reference value is a negative value; the data after adding the relative heights of all the monitoring points M to the reference value is displayed on the display 42. Thereby, the user can monitor the horizontal state of the hull 20 on the display 42. In practice, it is also possible to display only the relative heights of the monitoring points M without subtracting or adding the data of the reference values.

Please refer to FIG. 5 , the user can also press the button B4 corresponding to any of the monitoring points M on the operation interface A, and take the button B4 in the upper right corner of FIG. 5 as an example. After pressing the button B4, the control device 40 The relative height of the monitoring point M corresponding to the button B4 is a reference value, and the data after the relative height of the monitoring point M is deducted from the reference value is displayed on the display 42 as described above according to the reference value being a positive value or a negative value. The data after adding or adding the relative heights of all the monitoring points M to the reference value is displayed on the display 42. Thereby, the data of the selected monitoring point M can be displayed as "0 cm", and the user can monitor the data of the relative heights of the other monitoring points M with respect to the selected monitoring point M on the display 42.

Please refer to FIG. 6. In the foregoing, if the user presses the button B4 of the horizontal detecting device 44 corresponding to the right side of the control room 22 on the operation interface A, the control device 40 detects the level detecting device 44 according to the selected level. Measuring the first tilt angle and the second tilt angle; and determining the first tilt angle and the second tilt angle detected by the selected level detecting device 44 and the selected level detecting device 44 to the The relative heights of the monitoring points M of the hull 20 are calculated from the distances and relative positions between the monitoring points M, and the data corresponding to the relative heights of the monitoring points M are displayed on the display 42.

In addition, the level monitoring method of the embodiment further includes: when determining that the relative heights of the two monitoring points M are different by a predetermined distance, the control device 40 sends a warning message, and the warning message is available on the display 42. Displayed on the sound or emitted through a speaker (not shown). At the same time, the control device 40 further limits that the lifting device 30 in the region of relatively low altitude cannot drive the hull 20 to move downward, and/or the lifting device 30 in the region where the relative height is restricted cannot drive the hull 20 Move up. Thereby, it is possible to avoid the situation in which the hull 20 interferes with the rod anchor 10 due to the excessive inclination.

According to the above, the level monitoring method of the lift type work vessel of the present invention allows the user to observe the relative height data of the hull 20 on the display 42 to know the horizontal state, in particular, to drive the hull up and down through the lifting device 30. When the relative height of the hull 20 is immediately known, the corresponding lifting device 30 can be directly controlled to accurately move the hull 20.

The above is only a preferred embodiment of the present invention, and equivalent changes to the scope of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

[this invention]

100‧‧‧ Lifting work boat

10‧‧‧ Rod Anchor

102‧‧‧ surface

104‧‧‧Positioning holes

20‧‧‧ hull

22‧‧‧Control room

30‧‧‧ Lifting device

32‧‧‧ lower mount

322‧‧ ‧ room

34‧‧‧上固定座

342‧‧‧Locating pin

344‧‧‧ pneumatic cylinder

36‧‧‧Hydraulic telescopic rod

38‧‧‧ Activity framework

382‧‧‧Locating pin

384‧‧‧ pneumatic cylinder

40‧‧‧Control device

42‧‧‧ display

44‧‧‧Horizontal detection device

A‧‧‧ operation interface

B1~B4‧‧‧ button

D1‧‧‧ first direction

D2‧‧‧ second direction

M‧‧‧ monitoring points

R‧‧‧ reference point

1 is a top plan view of a lift type work boat in accordance with a preferred embodiment of the present invention. Figure 2 is a partial side elevational view of the lift type work boat of the above preferred embodiment of the present invention. 3 is a flow chart of the level monitoring method of the above preferred embodiment. Figure 4 is a schematic diagram showing the operational interface displayed by the display. Figure 5 is a schematic diagram showing the operational interface displayed by the display. Figure 6 is a schematic diagram showing the operational interface displayed by the display.

Claims (8)

A horizontal monitoring method for a lifting work vessel, wherein the lifting work vessel comprises a hull, a plurality of bar anchors and a plurality of lifting devices respectively passing through the hull, the lifting devices being coupled to the ship The lifting device is configured to drive the hull to move relative to each of the bar anchors; the level monitoring method comprises the following steps: A. providing two horizontal detecting devices, and selecting one of the two horizontal detecting devices Detecting a first tilt angle of the hull in a first direction and a second tilt angle of the hull in a second direction, wherein the first direction and the second direction are perpendicular to each other; B, according to step A Calculating the monitoring points of the hull from the first tilt angle detected in the second tilt angle and the distance and relative position between the selected level detecting device and the plurality of monitoring points on the hull And the relative height of the monitoring points is displayed on a display; D, selecting the other one of the two horizontal detecting devices to detect the hull at the first First inclination of direction Degree and a second tilt angle of the hull in the second direction; E, according to the first tilt angle and the second tilt angle detected in step D and the horizontal detecting device selected in step D Calculating the relative heights of the monitoring points by the distances and relative positions between the monitoring points; and F, displaying the data corresponding to the relative heights of the monitoring points calculated in the step E on the display. The method for monitoring the level of the lift type work vessel according to claim 1, wherein the step B includes: presetting a reference point, the distance from the reference point to each of the monitoring points is equidistant; and step B includes according to the first Calculating the relative height of the reference point by using the tilt angle and the second tilt angle and the distance and relative position between the selected horizontal detecting device and the reference point; in step C, the relative height of the reference point is used as a reference Value and step B all monitoring points The data after subtracting the reference value from the relative height is displayed on the display, or the data after adding the relative height of all the monitoring points in step B to the reference value is displayed on the display. The method for monitoring the level of the lift type work vessel according to claim 1, wherein the step C includes the relative height of one of the monitoring points as a reference value, and the relative height of all the monitoring points in step B is deducted. The data after the reference value is displayed on the display, or the data after adding the relative height of all the monitoring points in step B to the reference value is displayed on the display. The method for monitoring the level of the lift type work vessel according to claim 1, wherein the number of the bar anchors is four and passes through four regions of the hull respectively; in step A, the two horizontal detecting devices are disposed on Two of the areas are located; the monitoring points are located in the areas. The method for monitoring the level of the lift type work vessel according to claim 5, wherein the step B includes setting a reference point, the distance from the reference point to each of the monitoring points is equidistant, and according to the first tilt angle and the first Calculating the relative height of the reference point by using the tilt angle and the distance and relative position between the selected horizontal detecting device and the reference point; in step C, the relative height of the reference point is a reference value, and the step B. The relative height of the monitoring points after deducting the reference value is displayed on the display, or the data after adding the relative heights of all the monitoring points of step B to the reference value is displayed on the display. The method for monitoring the level of the lift type work vessel according to claim 5, wherein the lifting devices are respectively disposed in the regions; the method further comprises: when the relative heights of any two of the monitoring points differ by a predetermined distance The lifting device in the area where the relatively low height is restricted cannot drive the hull to move downward. The method for monitoring the level of the lift type work vessel according to claim 5, wherein the lifting devices are respectively disposed in the regions; the method further comprises: when the relative heights of any two of the monitoring points differ by a predetermined distance The lifting device in the area where the relatively high height is restricted cannot drive the hull to move upward. The method for monitoring the level of the lift type work vessel according to claim 5, further comprising issuing a warning message when the relative heights of any two of the monitoring points differ by a predetermined distance.