CN115123490A - Ship steering module positioning and mounting method and auxiliary device - Google Patents
Ship steering module positioning and mounting method and auxiliary device Download PDFInfo
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- CN115123490A CN115123490A CN202210927088.6A CN202210927088A CN115123490A CN 115123490 A CN115123490 A CN 115123490A CN 202210927088 A CN202210927088 A CN 202210927088A CN 115123490 A CN115123490 A CN 115123490A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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Abstract
The application relates to the technical field of ships, in particular to a positioning and mounting method and an auxiliary device for a ship steering module. According to the positioning and mounting method for the ship steering module, the positioning pipe is sleeved on the stay wire, the central line of the positioning pipe is enabled to coincide with the stay wire, when the top toggle plate panel, the vertical toggle plate and the ship body outer plate are drawn, the positioning pipe is a rigid pipe and is not easy to deform, compared with a mode that the stay wire which is easy to deform is used as a reference line, the line drawing precision is higher when the positioning pipe is used as the reference line to draw a line, the residual trimming and cutting quality of the ship body opening is improved, the later-stage repairing work of the ship body opening is reduced, and the construction efficiency is improved.
Description
Technical Field
The application relates to the technical field of ships, in particular to a positioning and mounting method and an auxiliary device for a ship steering module.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The pod type full-rotation propeller has the advantages of compact structure, good maneuverability, easy operation, capability of rotating the propeller by 360 degrees and the like, and is widely applied to ships with higher requirements on the maneuverability. When the full-rotation propeller is installed, the central line of a steering module of the full-rotation propeller is determined in a wire pulling mode, the position of the steering module is continuously adjusted according to the size of a repaired opening in the process of hanging the steering module into a positioning mode, and the central position of a welding hole of the steering module on a ship body is controlled as much as possible by measuring the surrounding gaps of the steering module. Before the steering module is welded, the top bracket panel, the vertical brackets and the outer hull plate of the hull structure are all pre-provided with steering module welding holes, wherein the top bracket panel and the outer hull plate extend horizontally, the vertical brackets are positioned between the top bracket panel and the outer hull plate, the vertical brackets are arranged in a plurality of circumferential intervals along the steering module welding holes, and when the steering module welding holes are repaired, a vertical line needs to be drawn on each vertical bracket so as to be convenient to repair and cut.
In this mounting method of the steering module, a margin trimming line at a welding hole of the steering module is drawn on a hull structure with a stay wire as a center reference, the stay wire and a line drawing pen are connected by a connecting rope having a set length when drawing a line, and trimming is performed according to the margin trimming line after the margin trimming line is drawn. The deviation of the margin trimming line determined in the mode is large, the size precision after trimming and cutting according to the margin trimming line is poor, welding and repairing are needed to be adopted in the later period under some conditions, and the margin trimming quality is poor.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method for positioning and installing a ship steering module, which is used to improve the trimming and cutting precision of a margin trimming line on a hull structure and improve the margin trimming and cutting quality in the installation of the steering module.
Another object of the embodiments of the present application is to provide a positioning and installation assisting device for a ship steering module, which assists in implementing the positioning and installation method for a ship steering module.
In a first aspect, a method for positioning and installing a ship steering module is provided, which comprises the following steps:
1) determining a hull datum line and a steering module positioning datum point O, pre-opening an operation hole on a main deck, and pre-opening steering module welding holes on a top toggle plate panel, a vertical toggle plate and a hull outer plate; determining a deck reference point P on the main deck, and pulling a line between the point O and the point P, wherein an OP connecting line is a central line of the steering module;
2) sleeving a rigid positioning pipe on the pull wire, and adjusting the position of the positioning pipe to enable the pull wire to be superposed with the central line of the positioning pipe;
3) after the positioning pipe is adjusted in place, the positioning pipe is fixed with the ship body;
4) respectively drawing allowance trimming lines on the top bracket panel, the vertical bracket and the hull outer plate by taking the positioning pipe as a line drawing reference, and trimming the steering module welding holes according to the allowance trimming lines;
5) and welding the steering module on the ship body, welding and fixing a welding flange of the steering module at the upper part of the steering module with the top toggle plate panel, welding and fixing the middle part of the steering module with the vertical toggle plate, and welding and fixing the lower part of the operating module with the outer plate of the ship body.
In a possible implementation scheme, in the step 4), the drawing template is positioned and sleeved on the positioning tube, and the allowance trimming line is drawn along the edge of the drawing template.
In one possible embodiment, in step 2), the step of adjusting the position of the positioning tube comprises: a positioning ring is fixed on the ship body, a plurality of adjusting bolts extending along the radial direction of the positioning ring are arranged on the positioning ring, and the plurality of adjusting bolts are arranged at intervals along the circumferential direction of the positioning ring; the position of the center line of the positioning pipe is adjusted by pushing the positioning pipe through the adjusting bolt, so that the center line of the positioning pipe is superposed with the pull line.
In one possible implementation, step 5) comprises determining the inclination of the steering module axis in such a way that:
determining a point E on an OP connection line by using optical equipment, wherein the position of the point E is a target position of a plane central point on a steering module welding flange;
marking H1 and H2 on a steering module welding flange, arranging H1 and H2 in the left-right direction of the ship, wherein the height coordinates of H1 and H2 are the same, and the vertical distances between H1 and H2 and an OP connecting line are the same;
marking V1 and V2 on the upper plane of a welding flange of the steering module, arranging V1 and V2 in the front-back direction of the ship, and enabling the vertical distances between V1 and V2 and an OP connecting line to be the same;
when the position of the hoisting steering module is determined, H1, H2 and E are in a straight line, and the inclination of the axis of the steering module is determined by the height difference of V1 and V2.
In a second aspect, an auxiliary device for positioning and installing a ship steering module is provided, which comprises a stay wire positioning tool, wherein the stay wire positioning tool comprises an upper stay wire frame, a lower stay wire frame and a stay wire for marking the center line of the ship steering module; the upper pull wire frame is used for being arranged on the ship body, and the lower pull wire frame is used for being arranged on the slipway; the upper end of the stay wire is connected with the upper stay wire frame, and the lower end of the stay wire is connected with the lower stay wire frame;
further comprising:
the positioning pipe is a rigid pipe which is used for being sleeved on the periphery of the stay wire, and the central line of the positioning pipe is used for being superposed with the stay wire and used as a line drawing reference for drawing allowance trimming lines on the top toggle plate panel, the vertical toggle plate and the hull outer plate;
the positioning pipe fixing structure is used for fixing the positioning pipe on the ship body.
In a possible implementation scheme, the positioning pipe fixing structure comprises a positioning ring, wherein a plurality of adjusting bolts extending along the radial direction of the positioning ring are arranged on the positioning ring, and are arranged at intervals along the circumferential direction of the positioning ring; the adjusting bolt pushes the positioning tube to adjust the position of the center line of the positioning tube, so that the center line of the positioning tube is superposed with the stay wire.
In a possible implementation scheme, the device further comprises a line drawing template which is used for positioning and sleeved on the positioning tube, and the edge of the line drawing template is used for drawing a margin trimming line.
In one possible implementation, at least one lower line drawing template is sleeved on the positioning pipe in advance and used for drawing lines on at least one of the vertical toggle plate and the hull outer plate, and the edge of the lower line drawing template is provided with a clamping groove used for being clamped on the vertical toggle plate.
In one possible embodiment, the at least one line drawing template is an upper line drawing template that is secured to the positioning tube by a fastening nut for drawing lines on the top toggle plate panel.
In a possible implementation scheme, the positioning tube is provided with a line drawing template baffle ring, and the line drawing template baffle ring is used for being matched with the line drawing template in a blocking manner up and down to support the line drawing template.
The ship steering module positioning and mounting method has the beneficial effects that: according to the positioning and mounting method for the ship steering module, the positioning pipe is sleeved on the stay wire, the central line of the positioning pipe is enabled to coincide with the stay wire, when the top toggle plate panel, the vertical toggle plate and the ship body outer plate are drawn, the positioning pipe is a rigid pipe and is not easy to deform, compared with a mode that the stay wire which is easy to deform is used as a reference line, the line drawing precision is higher when the positioning pipe is used as the reference line to draw a line, the residual trimming and cutting quality of the ship body opening is improved, the later-stage repairing work of the ship body opening is reduced, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a pod-type full-rotation propeller in the prior art;
FIG. 2 is a cross-sectional view of a toggle plate in a prior art steering module;
fig. 3 is a schematic view of a positioning pipe sleeved behind a pull rope in an embodiment of a method for positioning and mounting a ship steering module according to the present application;
FIG. 4 is a schematic drawing of a line in an embodiment of a method for positioning and installing a vessel steering module according to the present application;
FIG. 5 is a schematic view of a steering module welded flange marked after a mark is made according to an embodiment of a method for positioning and mounting a steering module of a ship according to the present application;
fig. 6 is a schematic view of the cooperation of a positioning pipe, a line drawing template and a positioning ring in an embodiment of a method for positioning and mounting a ship steering module according to the present application;
FIG. 7 is a schematic structural diagram of a positioning tube in an embodiment of a method for positioning and installing a vessel steering module according to the present application;
FIG. 8 is a schematic view of a lower line-drawing template in an embodiment of a method for positioning and installing a ship steering module according to the present application;
FIG. 9 is a partial view of an upper line template (only half of the upper line template is shown) in an embodiment of a method of positioning and installing a vessel steering module according to the present application;
FIG. 10 is a side view of an upper line drawing template in an exemplary embodiment of a method of positioning and installing a vessel steering module according to the present application;
fig. 11 is a schematic structural view of a positioning ring according to an embodiment of a method for positioning and mounting a ship steering module according to the present invention;
wherein the reference numerals are as follows:
1. pulling up the wire frame; 2. a pull-down wire rack; 3. a pull wire; 4. a hull; 5. a positioning tube; 51. a threaded segment; 52. marking a template baffle ring; 6. a permanent magnet motor; 7. a steering module; 71. welding a flange on the steering module; 8. a propeller unit; 9. a top toggle panel; 10. a vertical toggle plate; 11. a hull outer plate; 12. a positioning ring; 13. adjusting the bolt; 14. a main deck; 15. drawing a line on the lower part of the template; 151. drawing lines on the lower part of the template lightening holes; 152. a card slot; 16. drawing a line on the upper part of the template; 161. reinforcing ribs; 162. drawing a line on the upper part of the template lightening hole; 17. fastening a nut; 18. a fixed bracket; 100. a first welding position; 101. a second welding position; 102. a third bonding location.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
According to a first aspect of the present application, a ship steering module positioning and mounting method is first provided, and refer to fig. 1 to 9.
As shown in fig. 1 and 2, first, the structure of the nacelle type full-turn propeller will be briefly described. The pod type full-rotation propeller comprises a permanent magnet motor 6, a steering module 7 and a propeller unit 8, wherein the steering module 7 is fixed on a ship body 4, specifically, three positions of the ship body 4 and the steering module 7 are welded and fixed, namely a first welding position 100, a second welding position 101 and a third welding position 102, and comprise a top bracket panel 9, a vertical bracket 10 and a ship body outer plate 11, and the vertical bracket 10 is a vertical plate extending up and down. The top toggle plate panel 9, the vertical toggle plate 10 and the hull plate 11 are arranged from top to bottom.
In the embodiment, the positioning and mounting method of the ship steering module is realized by using an auxiliary device for positioning and mounting the ship steering module, and the auxiliary device is introduced first.
The auxiliary device for positioning and installing the ship steering module comprises a stay wire positioning tool, as shown in fig. 3 and 4, the stay wire positioning tool comprises an upper stay wire frame 1, a lower stay wire frame 2 and a stay wire 3 for marking the center line of the ship steering module; the upper pull wire frame 1 is configured on the hull 4, and the lower pull wire frame 2 is configured on the slipway; the upper end of the stay wire 3 is connected with the upper stay wire frame 1, and the lower end is connected with the lower stay wire frame 2. In this embodiment, the stay wire 3 is a steel wire rope.
As shown in fig. 6 to 11, the positioning and mounting auxiliary device for the ship steering module further includes a rigid positioning pipe 5 for being fitted around the pull wire 3, and the positioning pipe 5 is used as a reference for drawing a margin trimming line on the top bracket panel 9, the vertical bracket 10, and the outer hull plate 11 instead of the pull wire 3.
The positioning tube 5 is fixed on the hull 4 through a positioning tube fixing structure. The positioning tube fixing structure comprises a positioning ring 12 and a fixing support 18 fixed with the positioning ring 12, the fixing support 18 is welded and fixed on the ship body 4, an adjusting bolt 13 radially extending along the positioning ring 12 is arranged on the positioning ring 12, the adjusting bolt 13 is provided with a plurality of fixing holes and is circumferentially arranged along the positioning ring 12 at intervals, the positioning tube 5 is pushed by the adjusting bolt 13, the position of the central line of the positioning tube 5 can be adjusted, and the central line of the positioning tube 5 is enabled to coincide with the stay wire 3.
In this embodiment, two positioning rings 12 are disposed above and below, one of which is used to fix the lower side of the hull plate 11, and the other is used to fix the upper side of the hull plate 11 and the top toggle plate panel.
In order to facilitate line drawing, the auxiliary positioning and mounting device for the ship steering module further comprises a line drawing template which is used for positioning and sleeving the line drawing template on the positioning pipe 5, and the edge of the line drawing template is used for drawing a margin trimming line. And a positioning hole for inserting the positioning tube is formed in the middle of the line drawing template, and the aperture of the positioning hole is matched with the tube diameter of the positioning tube 5, so that the central axis of the positioning hole is coincided with the central axis of the positioning tube 5.
In this embodiment, the line drawing template comprises a lower line drawing template 15 and an upper line drawing template 16, and the lower line drawing template 15 is sleeved on the positioning tube 5 in advance. The upper line drawing template 16 is fixed on the positioning tube 5 through a fastening nut 17. The positioning tube 5 is provided with a positioning step which is matched with the upper line drawing template 16 in a positioning mode, a threaded section 51 is arranged on the upper side of the positioning step, and the fastening nut 17 is matched with the threaded section 51 to tightly press the upper line drawing template 16.
In this embodiment, the lower line drawing template 15 is provided with a lightening hole 151 and a clamping groove 152, the clamping groove 152 is used for being clamped on the vertical toggle plate 10, the vertical toggle plate 10 is a vertical plate, the allowance trimming line on the vertical toggle plate 10 needs to be drawn up and down, and the clamping groove 152 is arranged to facilitate the positioning of the lower line drawing template 15 and the vertical toggle plate 10.
The upper line template 16 is large in size, and a rib 161 is provided on the upper side of the upper line template 16 to enhance the strength of the upper line template 16. The middle of the upper line drawing template 16 is provided with an upper line drawing template lightening hole 162.
In order to draw lines on the vertical toggle plate conveniently, in the embodiment, the two lower line drawing templates 15 are arranged, the two lower line drawing templates 15 are clamped on the vertical shaft plate 10 simultaneously, line drawing benchmarks are arranged at the upper end and the lower end of the vertical toggle plate 10, line drawing is facilitated, and line drawing efficiency is improved.
In order to avoid the falling of the lower line drawing template 15, the positioning tube 5 is provided with a line drawing template baffle ring 52, and the line drawing template baffle ring 52 is used for being matched with the line drawing template in an up-and-down blocking way to support the lower line drawing template 15.
A ship steering module positioning and mounting method comprises the following steps:
1) determining a hull datum line and a steering module positioning datum point O, pre-opening an operation hole on a main deck 14, and pre-opening steering module welding holes on a top toggle plate panel 9, a vertical toggle plate 10 and a hull outer plate 11; a main deck reference point P is determined on the main deck 14, and an OP connecting line is a steering module central line through a pull line 3 at a point O and a point P. In this embodiment, the steering module weld holes in the top and vertical toggle panels 9 and 10 are opened when the hull is mounted thereon, and the steering module weld holes in the outer hull are opened after the operation holes are opened in the main deck 14.
Specifically, before the steering module is installed, the tail of the structure reaches the rear wall of the engine room, all the structure welding and flame straightening work is finished, and the shooting and flaw detection are finished. After the section loading below the main deck of the stern part of the cabin and the cabin tightness test are completed, the detachable plate is opened at the position of the main deck 14, and an operation hole which is large enough for the steering module 7 to hoist is reserved. The platform and the temporary protective railing are required to be built around the opening of the detachable plate and the propeller, and the safety of personnel is guaranteed. The top toggle plate panel 9, the hull outer plate 11 and the vertical toggle plate 10 are all provided with pre-opened steering module welding holes, and space for installation operation is reserved. The welding holes of the pre-opened steering module on the top toggle plate panel 9, the hull outer plate 11 and the vertical toggle plate 10 are left with trimming allowance.
And (4) checking the center line, the rib position datum line and the height datum line of the ship body, wherein the intersection point of the center line, the rib position datum line and the height datum line of the ship body is a zero position datum point, and determining the position of the zero position datum point and marking as F0. The measurement method of the null datum point is mature prior art, and only the following is briefly introduced in the embodiment:
confirming the center line of the ship body: according to the center line of the ship berth which is surveyed in advance, the center lines of the head and the tail of the segments of the ship body 4 are checked, and the requirements of the building process of the ship body 4 are met. Confirmation of rib position datum lines: and checking the total length of the sections of the ship body 4 according to the positioning section datum rib position and the ship body central line angle square line, confirming that the length of each rib position meets the process requirement, determining a No. 0 rib position datum and marking. Confirmation of height baseline: and surveying the distance between each section and the base line according to the preset positioning reference height, so as to meet the requirements of the building process of the ship body 4. The average value is obtained by adding the plate thickness of the measuring point according to the baseline data measured by the measuring point, and the average value is corrected to be used as the height baseline of the stern section.
The zero position reference point is used as the only positioning reference of the whole ship and is the positioning reference point for finding out the relative position points of each steering device.
And respectively determining the installation positioning reference points O of the left propulsion system and the right propulsion system by adopting optical equipment through the zero reference point, and marking. In this embodiment, there are two propulsion systems, which are a left propulsion system and a right propulsion system, and the left propulsion system and the right propulsion system are symmetrically arranged and both are provided with pod type full-rotation propellers. Two positioning reference points O are arranged on the left and right in this embodiment, and correspond to the left propulsion system and the right propulsion system, respectively. In order to reduce redundant description, the present embodiment only takes the installation of the steering module of the single-side propulsion system as an example for description.
P is determined at the main deck 14 position and marked, and the line 3 is pulled through O and P points. The P point distance from the midship is marked on the main deck 14 for the rear suspension steering module 7 to be positioned.
The total station has a space positioning function, when the space position of the zero datum point is input into the total station, a three-dimensional space coordinate with the zero datum point as an original point is formed in the total station, and the total station finds the actual position of the O point on the shipway through three-dimensional theoretical coordinate values of the O point and the P point on a design drawing.
The confirmed zero reference point is under the ship, and because of the shielding of the structure of the ship body 4, the zero reference point under the ship needs to be transferred to the main deck 14 through the total station, and then the actual position of the point P is determined through the total station by transferring to the zero reference point on the main deck 14.
2) A positioning tube 5 is sleeved on the stay wire 3, and the position of the positioning tube 5 is adjusted to ensure that the stay wire 3 is superposed with the central line of the positioning tube 5.
Specifically, a positioning ring 12 is fixed on the hull 4 through a fixing bracket 18, and an adjusting bolt 13 on the positioning ring 12 pushes the positioning pipe 5 to adjust the position of the center line of the positioning pipe 5, so that the center line of the positioning pipe 5 is superposed with the stay wire 3.
3) After the positioning tube 5 is adjusted in place, the positioning tube 5 is fixed with the hull 4.
Specifically, as shown in fig. 2, a fixing bracket 18 is provided in the hull 4, and the positioning pipe 5 is fixed by the fixing bracket 18.
4) Respectively drawing allowance trimming lines on a hull outer plate 11, a vertical toggle plate 10 and a top toggle plate panel 9 and trimming steering module welding holes of a steering module by taking the positioning pipe 5 as a drawing reference; wherein the size of the steering module welding hole on the hull outer plate 11 is consistent with that of the steering module welding hole on the vertical toggle plate, and the steering module welding hole on the top toggle plate panel is welded with a steering module welding flange 71.
Specifically, in this embodiment, the line drawing template is positioned and sleeved on the positioning tube 5, and the margin trimming line is drawn along the edge of the line drawing template.
The lower line drawing template is sleeved on the positioning pipe 5 in advance, after the hull outer plate 11 and the vertical toggle plate 10 are drawn through the lower line drawing template 15, the upper line drawing template 16 is fixed on the positioning pipe 5, and the top toggle plate panel 9 is drawn.
The height position of the positioning tube 5 is determined according to the design requirement of the line drawing template, and the position of the positioning tube 5 is determined by the distance between the positioning tube 5 and the O point or the P point.
The positioning pipe 5 and the line drawing template are removed, and the top bracket panel 9, the vertical bracket 10 and the hull outer plate 11 are respectively repaired and cut according to the actual goods coming data of the steering module 7: when the welding hole of the steering module is repaired and cut, the repairing and cutting should be carried out along the inner side of the drawn line and does not exceed the drawn line. The diameter of the welding hole of the steering module is controlled to be +/-1 mm of a theoretical value through polishing and trimming, then a groove is trimmed and cut according to the structural requirement of a ship body 4, and finally the gap between the welding hole of the steering module and the steering module does not exceed 3 mm. In the repairing and cutting process, the center position should be ensured by trial test of the stay wire 3.
5) The steering module 7 is welded on the ship body 4, and the steering module 7 is welded and fixed with the ship body outer plate 11, the top toggle plate panel 9 and the hole wall of the steering module welding hole at the vertical toggle plate 10.
When the steering module is hoisted, the mark at the point P and the upper pull wire frame 1 need to be removed, before the steering module is removed, a reference point is made near the point P, and the mark is made to be used as a positioning reference of the steering module. After the steering module is installed, the front-back and left-right deviation of the welding flange 71 of the steering module is ensured to meet the tolerance requirement.
Specifically, using optical equipment, as shown in fig. 4, point E is determined on the OP connection line, where the point E is located at the target position of the center point of the plane on the steering module welding flange 71.
As shown in fig. 5, marks H1 and H2 are marked on the upper plane of the steering module welding flange 71, H1 and H2 are arranged in the left-right direction of the ship, the height coordinates of H1 and H2 are the same, and the vertical distances from an OP connecting line to H1 and H2 are the same; marking V1 and V2 on the upper plane of the steering module welding flange 71, arranging V1 and V2 in the front and rear direction of the ship, and ensuring that the vertical distances between V1 and V2 and an OP connecting line are the same; when the hoisting steering module 7 determines the position, H1, H2 and E are positioned on a straight line, V1, V2 and E are also positioned on a straight line, and the two straight lines are vertical to each other. Determining the inclination angle of the steering module 7 axis by the height difference H of V1 and V2
The diameter of the steering module welding flange 71 is D, and the height difference H of the steering module welding flange 71 is:
the typical error control range is H + -10 mm. And after the positioning is finished, the steering module 7 and the ship body 4 are welded and fixed.
In one embodiment, different from the embodiment in which the margin trimming line is drawn by using the drawing template, in this embodiment, a connecting line is used to connect the positioning tube and the drawing pen, and the drawing pen draws the margin trimming line with the positioning tube as a center.
In one embodiment, one lower line marking template is provided. In one embodiment, instead of marking the steering module welding flange in the above embodiment, the inclination of the axis of the steering module is measured by adjusting the posture of the steering module with a total station.
In one embodiment, the positioning tube fixing structure is fixed only at the lower end of the positioning tube; in one embodiment, the positioning tube fixing structure comprises a fixing rod, the upper end of the fixing rod is welded with the main deck, and the lower end of the fixing rod is welded with the positioning tube.
According to a second aspect of the present application, there is provided an auxiliary device for positioning and installing a ship steering module, where the structure of the auxiliary device for positioning and installing a ship steering module is the same as that of the auxiliary device for positioning and installing a ship steering module described in the above embodiments of the method for positioning and installing a ship steering module, and details are not repeated.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A ship steering module positioning and mounting method is characterized by comprising the following steps:
1) determining a hull datum line and a steering module positioning datum point O, pre-opening an operation hole on a main deck, and pre-opening steering module welding holes on a top toggle plate panel, a vertical toggle plate and a hull outer plate; determining a deck reference point P on the main deck, and pulling a line between the point O and the point P, wherein an OP connecting line is a central line of the steering module;
2) sleeving a rigid positioning pipe on the pull wire, and adjusting the position of the positioning pipe to ensure that the pull wire is superposed with the central line of the positioning pipe;
3) after the positioning pipe is adjusted in place, the positioning pipe is fixed with the ship body;
4) respectively drawing allowance trimming lines on a top toggle plate panel, a vertical toggle plate and a hull outer plate by taking the positioning pipe as a line drawing reference, and trimming the steering module welding holes according to the allowance trimming lines;
5) and welding the steering module on the ship body, welding and fixing a welding flange of the steering module at the upper part of the steering module with the top toggle plate panel, welding and fixing the middle part of the steering module with the vertical toggle plate, and welding and fixing the lower part of the operating module with the outer plate of the ship body.
2. The method for positioning and installing the ship steering module according to claim 1, wherein in step 4), a drawn template is positioned and sleeved on the positioning pipe, and a margin trimming line is drawn along the edge of the drawn template.
3. The ship steering module positioning and mounting method according to claim 1, wherein in step 2, the step of adjusting the position of the positioning pipe includes: a positioning ring is fixed on the ship body, a plurality of adjusting bolts extending along the radial direction of the positioning ring are arranged on the positioning ring, and the plurality of adjusting bolts are arranged at intervals along the circumferential direction of the positioning ring; the position of the center line of the positioning pipe is adjusted by pushing the positioning pipe through the adjusting bolt, so that the center line of the positioning pipe is superposed with the pull line.
4. Method for positioning and mounting ship steering modules according to claim 1, characterized in that step 5) comprises the way of determining the inclination of the steering module axis:
determining a point E on an OP connection line by using optical equipment, wherein the position of the point E is a target position of a plane central point on a steering module welding flange;
marking H1 and H2 on a steering module welding flange, arranging H1 and H2 in the left-right direction of the ship, wherein the height coordinates of H1 and H2 are the same, and the vertical distances between H1 and H2 and an OP connecting line are the same;
marking V1 and V2 on the upper plane of a welding flange of the steering module, arranging V1 and V2 in the front-back direction of the ship, and enabling the vertical distances between V1 and V2 and an OP connecting line to be the same;
when the position of the hoisting steering module is determined, H1, H2 and E are in a straight line, and the inclination of the axis of the steering module is determined by the height difference of V1 and V2.
5. A positioning and mounting auxiliary device for a ship steering module comprises a stay wire positioning tool, wherein the stay wire positioning tool comprises an upper stay wire frame, a lower stay wire frame and a stay wire for marking the center line of the ship steering module; the upper pull line frame is used for being configured on the ship body, and the lower pull line frame is used for being configured on the slipway; the upper end of the stay wire is connected with the upper stay wire frame, and the lower end of the stay wire is connected with the lower stay wire frame;
it is characterized by also comprising:
the positioning pipe is a rigid pipe which is used for being sleeved on the periphery of the stay wire, and the central line of the positioning pipe is used for being superposed with the stay wire and used as a line drawing reference for drawing allowance trimming lines on the top toggle plate panel, the vertical toggle plate and the hull outer plate;
the positioning pipe fixing structure is used for fixing the positioning pipe on the ship body.
6. The positioning and mounting auxiliary device for the ship steering module according to claim 5, wherein the positioning pipe fixing structure comprises a positioning ring, and a plurality of adjusting bolts are arranged on the positioning ring and extend along the radial direction of the positioning ring, and are arranged at intervals along the circumferential direction of the positioning ring; the adjusting bolt pushes the positioning pipe to adjust the position of the center line of the positioning pipe, so that the center line of the positioning pipe is superposed with the stay wire.
7. The auxiliary device for positioning and installing the ship steering module according to claim 5, further comprising a line drawing template for positioning and sleeving the positioning pipe, wherein the edge of the line drawing template is used for drawing a margin trimming line.
8. The auxiliary positioning and installing device for the ship steering module according to claim 7, wherein at least one lower line-drawing template is pre-sleeved on the positioning pipe and used for drawing lines on at least one of the vertical toggle plate and the outer hull plate, and a clamping groove used for being clamped on the vertical toggle plate is formed in the edge of the lower line-drawing template.
9. The positioning and installation auxiliary device for the ship steering module according to claim 7, wherein the at least one line drawing template is an upper line drawing template, and the upper line drawing template is fixed on the positioning pipe through a fastening nut and used for drawing lines on the top toggle plate panel.
10. The auxiliary device for positioning and installing the ship steering module according to claim 7, wherein the positioning pipe is provided with a line drawing template retaining ring, and the line drawing template retaining ring is used for being matched with the line drawing template in a vertically blocking manner to support the line drawing template.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210927088.6A CN115123490B (en) | 2022-08-03 | 2022-08-03 | Ship steering module positioning and mounting method and auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210927088.6A CN115123490B (en) | 2022-08-03 | 2022-08-03 | Ship steering module positioning and mounting method and auxiliary device |
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| CN115123490A true CN115123490A (en) | 2022-09-30 |
| CN115123490B CN115123490B (en) | 2023-06-16 |
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| KR20090002596U (en) * | 2007-09-11 | 2009-03-16 | 대우조선해양 주식회사 | Steering gear deck of ships |
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| CN110510058A (en) * | 2019-07-11 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of oblique building berth Becker rudder system bracing wire localization method |
| CN113562138A (en) * | 2021-08-27 | 2021-10-29 | 芜湖造船厂有限公司 | Method for pulling wire of inclined long shaft of ship |
| CN114148481A (en) * | 2021-12-30 | 2022-03-08 | 武昌船舶重工集团有限公司 | Positioning mechanism and stay wire positioning method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090002596U (en) * | 2007-09-11 | 2009-03-16 | 대우조선해양 주식회사 | Steering gear deck of ships |
| CN102358413A (en) * | 2011-09-05 | 2012-02-22 | 广州中船黄埔造船有限公司 | Installation method of full-revolving rudder propeller device with special angle |
| CN110510058A (en) * | 2019-07-11 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of oblique building berth Becker rudder system bracing wire localization method |
| CN113562138A (en) * | 2021-08-27 | 2021-10-29 | 芜湖造船厂有限公司 | Method for pulling wire of inclined long shaft of ship |
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| CN115123490B (en) | 2023-06-16 |
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