CN105438402A - Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform - Google Patents
Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform Download PDFInfo
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- CN105438402A CN105438402A CN201510830823.1A CN201510830823A CN105438402A CN 105438402 A CN105438402 A CN 105438402A CN 201510830823 A CN201510830823 A CN 201510830823A CN 105438402 A CN105438402 A CN 105438402A
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- pair
- standard alignment
- standard
- steel cable
- middle slot
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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
- B63B71/00—Designing vessels; Predicting their performance
Abstract
The invention belongs to the technical field of shipbuilding and discloses an installation method of large stern roller bearing blocks of an anchor handling tug supply (AHTS) vessel for an ocean engineering platform. The method comprises the following steps: putting a pair of bearing blocks on a standard plate, and respectively arranging a pair of standard centering points, namely a first standard centering point, a second standard centering point, a third standard centering point and a fourth standard centering point, in two shaft holes of the pair of bearing blocks; during field installation, arranging an aligning steel rope between the first standard centering point and the fourth standard centering point, and keeping the aligning steel rope to be on a straight line and in a tensioning state; adjusting the relative positions of the pair of bearing blocks to enable the first standard centering point, the second standard centering point, the third standard centering point and the fourth standard centering point to be abutted against the same side of the aligning steel rope, and keeping the first standard centering point, the second standard centering point, the third standard centering point and the fourth standard centering point to be on the same straight line; and fixing the pair of adjusted bearing blocks through a fastener under the condition that the position of the aligning steel rope is not changed in the process. The invention provides a simple, convenient, feasible, efficient and reasonable installation method of bearing blocks.
Description
Technical field
The present invention relates to ship building technical field, particularly one foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method.
Background technology
Stern cylinder as the important component part of novel sea repair ship, along with the increase of ocean repair ship traction ability and power, the also corresponding increase of the load that stern cylinder bears and oad.Because the gap between stern cylinder and deck in ship structure is less, simultaneously in order to reduce the jerk value of stern cylinder when rotating, hawser or anchor chain pulsation-free are slided, this just has higher requirement to the mounting means of stern cylinder and precision controlling.
Generally traditional stern cylinder is provided with bore hole and makes dummy shaft two kinds of modes, bore hole mode is installed: adopt borig machine to carry out boring processing to stern cylinder bearings at both ends bore, after reaching certain dimensional accuracy, bearing is compressed into bearing seat, the bearing making stern cylinder two ends is point-blank, steady to ensure stern rollers running.Which setting accuracy is high, but needs boring equipment; Nowadays, because stern cylinder trends towards maximizing, bearing diameter is increasing, also comes higher to the requirement of boring equipment, and production cycle needed for on-the-spot bore hole is long, and labor strength is large; Dummy shaft mode is installed: make a dummy shaft mated with stern cylinder, calibrate the bearing seat at stern cylinder two ends with this axle, the bearing making stern cylinder two ends point-blank, to ensure the steady of stern rollers running; The method is with short production cycle, but along with stern cylinder trend towards maximize, bearing diameter increase, make dummy shaft cost of manufacture more and more higher; During installation, rotation dummy shaft is more and more difficult, and installation difficulty strengthens; In addition, dummy shaft volume weight is large, handling difficulty; Dismounting dummy shaft needs secondary operation, and production cycle and cost are increased.
Summary of the invention
The invention provides a kind of foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method, solve in prior art, complex operation in the tune of large size bearing seat, the technical matters that labour intensity is large, the cycle is long, efficiency is low, cost is high.
For solving the problems of the technologies described above, the invention provides a kind of ocean engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method, comprising:
Pair of bearing is placed on a dressing plate, and a pair standard alignment is set separately in two axis holes of described pair of bearing, namely set gradually the first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment;
During in-site installation, aligning steel cable is set between described first standard alignment and the 4th standard alignment, and keeps described aligning steel cable to be in a straight line, be in tension;
Adjust the relative position of described pair of bearing, make described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment all be resisted against the same side of described aligning steel cable, keep described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment to be on same straight line;
The described pair of bearing adjusted is fixed by fastener, in process, keeps the invariant position of described aligning steel cable.
Further, the axis hole inside face of described pair of bearing arranges a pair middle slot respectively, namely in a bearing seat, arranges first pair of middle slot, arranges second pair of middle slot in another bearing seat;
Described first standard alignment and described second standard alignment are positioned at described first pair of middle slot, and described 3rd standard alignment and described 4th standard alignment are positioned at described second pair of middle slot;
Wherein, described first pair of middle slot and described second pair of middle slot are bar-shaped trough, and groove footpath equals the diameter of described centering steel cable;
Described first pair of middle slot and described second pair of middle slot are arranged along the axial direction of described axis hole, and length is consistent with the described axis hole degree of depth;
In the process of adjustment described pair of bearing position, described centering steel cable keeps being embedded in described first pair of middle slot and described second pair of middle slot, and centering steel cable keeps linear state.
Further, described first standard alignment and described second standard alignment are positioned at the two ends of described first pair of middle slot;
Described 3rd standard alignment and described 4th standard alignment are positioned at the two ends of described second pair of middle slot.
Further, described a pair axis hole inside face arranges a pair secondary standard alignment respectively;
Two pairs of described secondary standard alignments, by arranging in dressing plate leveling situation, are located along the same line;
Wherein, in the operating process performing the described pair of bearing position of adjustment, the second aligning steel cable will be set at described secondary standard alignment;
Keep described first aligning steel cable and second to aim at steel cable at the same time and all keep linear state, and described first aligning steel cable is resisted against on described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment, state the second aligning steel cable when being resisted against on described two teams secondary standard alignment, fastener shaft bearing.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, directly adopts the axis hole of bearing seat to aim at operation in tune; By arranging two relative standard alignments in two axis holes respectively, amount to the centering that four standard alignments on the same line realize axis hole; Ensure that the position of bearings at place and angle are in perfect condition especially by the standard alignments of adjacent two, keep the axis of two bearing seats to overlap by relative two pairs of standard alignments afterwards, thus progressively realize the centering aligning of bearing seat.
2, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, by the setting to middle slot, ensures that aiming at steel cable can fit axis hole inside face accurately, promotes accuracy of alignment further; Further, described to middle slot two ends by being arranged on by centering gauge target, extending the variation length of the aligning steel cable in same bearing seat, making bearing seat when carrying out position and angular adjustment, the angle precision aiming at the conversion mark of steel cable is higher.
3, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, first basis aiming at steel cable increases by second and aims at steel cable and the standard alignment that matches performs in auxiliary tune, thus the change of amplifying in tune in process, thus strengthen reliability in tune further.
Accompanying drawing explanation
The principle schematic of the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present application, by providing a kind of foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method, solves in prior art, complex operation in the tune of large size bearing seat, the technical matters that labour intensity is large, the cycle is long, efficiency is low, cost is high.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
A kind of ocean engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method, comprising:
Pair of bearing is placed on a dressing plate, and a pair standard alignment is set separately in two axis holes of described pair of bearing, namely set gradually the first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment;
During in-site installation, aligning steel cable is set between described first standard alignment and the 4th standard alignment, and keeps described aligning steel cable to be in a straight line, be in tension;
Adjust the relative position of described pair of bearing, make described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment all be resisted against the same side of described aligning steel cable, keep described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment to be on same straight line;
The described pair of bearing adjusted is fixed by fastener, in process, keeps the invariant position of described aligning steel cable.
Can be found out by foregoing, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, directly adopt the axis hole of bearing seat to aim at operation in tune; By arranging two relative standard alignments in two axis holes respectively, amount to the centering that four standard alignments on the same line realize axis hole; Ensure that the position of bearings at place and angle are in perfect condition especially by the standard alignments of adjacent two, keep the axis of two bearing seats to overlap by relative two pairs of standard alignments afterwards, thus progressively realize the centering aligning of bearing seat.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
See Fig. 1, a kind of ocean engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method that the embodiment of the present invention provides, comprising:
Pair of bearing (2,3) is placed on a dressing plate 1, and a pair standard alignment is set separately in two axis holes of described pair of bearing, namely set gradually the first standard alignment 4, second standard alignment 5, the 3rd standard alignment 6 and the 4th standard alignment 7;
During in-site installation, arrange between described first standard alignment 4 and the 4th standard alignment 6 and aim at steel cable 8, and keep described aligning steel cable 8 to be in a straight line, be in tension;
Adjust the relative position of described pair of bearing, make described first standard alignment 4, second standard alignment 5, the 3rd standard alignment 6 and the 4th standard alignment 7 all be resisted against the same side of described aligning steel cable 8, keep described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment to be on same straight line; Now rely on the common adjustment of standard alignment and aligning steel cable, the axis hole of bearing seat axially overlaps; Reach the object in tune.
The described pair of bearing adjusted is fixed by fastener, in process, keeps the invariant position of described aligning steel cable.
In order to the visuality of the angle and position that strengthen bearing seat self adjustment is stronger, preferably, the axis hole inside face of described pair of bearing arranges a pair middle slot respectively, namely in a bearing seat, arranges first pair of middle slot, arranges second pair of middle slot in another bearing seat; Described first standard alignment and described second standard alignment are positioned at described first pair of middle slot, and described 3rd standard alignment and described 4th standard alignment are positioned at described second pair of middle slot; Wherein, described first pair of middle slot and described second pair of middle slot are bar-shaped trough, and groove footpath equals the diameter of described centering steel cable; Described first pair of middle slot and described second pair of middle slot are arranged along the axial direction of described axis hole, and length is consistent with the described axis hole degree of depth; In the process of adjustment described pair of bearing position, described centering steel cable keeps being embedded in described first pair of middle slot and described second pair of middle slot, and centering steel cable keeps linear state.
Further, described first standard alignment and described second standard alignment are positioned at the two ends of described first pair of middle slot; Described 3rd standard alignment and described 4th standard alignment are positioned at the two ends of described second pair of middle slot.Strengthen visual, the precision of adjustment mark.
In order to strengthen reliability in overall tune further, preferably, described a pair axis hole inside face arranges a pair secondary standard alignment respectively; Two pairs of described secondary standard alignments, by arranging in dressing plate leveling situation, are located along the same line; Wherein, in the operating process performing the described pair of bearing position of adjustment, the second aligning steel cable will be set at described secondary standard alignment; Keep described first aligning steel cable and second to aim at steel cable at the same time and all keep linear state, and described first aligning steel cable is resisted against on described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment, state the second aligning steel cable when being resisted against on described two teams secondary standard alignment, fastener shaft bearing.Thus adopt two and mutually can confirm, and visible mark in process can be increased in tune, namely aim at the state of steel cable and the relation with axis hole inside face, greatly strengthen the object of reliability in adjusting.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, directly adopts the axis hole of bearing seat to aim at operation in tune; By arranging two relative standard alignments in two axis holes respectively, amount to the centering that four standard alignments on the same line realize axis hole; Ensure that the position of bearings at place and angle are in perfect condition especially by the standard alignments of adjacent two, keep the axis of two bearing seats to overlap by relative two pairs of standard alignments afterwards, thus progressively realize the centering aligning of bearing seat.
2, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, by the setting to middle slot, ensures that aiming at steel cable can fit axis hole inside face accurately, promotes accuracy of alignment further; Further, described to middle slot two ends by being arranged on by centering gauge target, extending the variation length of the aligning steel cable in same bearing seat, making bearing seat when carrying out position and angular adjustment, the angle precision aiming at the conversion mark of steel cable is higher.
3, the foreign engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method provided in the embodiment of the present application, first basis aiming at steel cable increases by second and aims at steel cable and the standard alignment that matches performs in auxiliary tune, thus the change of amplifying in tune in process, thus strengthen reliability in tune further.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. an ocean engineering platform towing/anchor handling/supply vessel large-scale stern roller bearing seat installation method, is characterized in that, comprising:
Pair of bearing is placed on a dressing plate, and a pair standard alignment is set separately in two axis holes of described pair of bearing, namely set gradually the first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment;
During in-site installation, aligning steel cable is set between described first standard alignment and the 4th standard alignment, and keeps described aligning steel cable to be in a straight line, be in tension;
Adjust the relative position of described pair of bearing, make described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment all be resisted against the same side of described aligning steel cable, keep described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment to be on same straight line;
The described pair of bearing adjusted is fixed by fastener, in process, keeps the invariant position of described aligning steel cable.
2. foreign engineering platform towing/anchor handling/supply vessel as claimed in claim 1 large-scale stern roller bearing seat installation method, is characterized in that:
The axis hole inside face of described pair of bearing arranges a pair middle slot respectively, namely in a bearing seat, arranges first pair of middle slot, arranges second pair of middle slot in another bearing seat;
Described first standard alignment and described second standard alignment are positioned at described first pair of middle slot, and described 3rd standard alignment and described 4th standard alignment are positioned at described second pair of middle slot;
Wherein, described first pair of middle slot and described second pair of middle slot are bar-shaped trough, and groove footpath equals the diameter of described centering steel cable;
Described first pair of middle slot and described second pair of middle slot are arranged along the axial direction of described axis hole, and length is consistent with the described axis hole degree of depth;
In the process of adjustment described pair of bearing position, described centering steel cable keeps being embedded in described first pair of middle slot and described second pair of middle slot, and centering steel cable keeps linear state.
3. foreign engineering platform towing/anchor handling/supply vessel as claimed in claim 2 large-scale stern roller bearing seat installation method, is characterized in that: described first standard alignment and described second standard alignment are positioned at the two ends of described first pair of middle slot;
Described 3rd standard alignment and described 4th standard alignment are positioned at the two ends of described second pair of middle slot.
4. foreign engineering platform towing/anchor handling/supply vessel as claimed in claim 1 large-scale stern roller bearing seat installation method, is characterized in that: described a pair axis hole inside face arranges a pair secondary standard alignment respectively;
Two pairs of described secondary standard alignments, by arranging in dressing plate leveling situation, are located along the same line;
Wherein, in the operating process performing the described pair of bearing position of adjustment, the second aligning steel cable will be set at described secondary standard alignment;
Keep described first aligning steel cable and second to aim at steel cable at the same time and all keep linear state, and described first aligning steel cable is resisted against on described first standard alignment, the second standard alignment, the 3rd standard alignment and the 4th standard alignment, state the second aligning steel cable when being resisted against on described two teams secondary standard alignment, fastener shaft bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830823.1A CN105438402A (en) | 2015-11-25 | 2015-11-25 | Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830823.1A CN105438402A (en) | 2015-11-25 | 2015-11-25 | Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform |
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| CN105438402A true CN105438402A (en) | 2016-03-30 |
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| CN201510830823.1A Pending CN105438402A (en) | 2015-11-25 | 2015-11-25 | Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform |
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Cited By (1)
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| CN111120412A (en) * | 2019-12-09 | 2020-05-08 | 岭澳核电有限公司 | Fan bearing seat alignment device and method for nuclear power station, installation method and fan |
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Application publication date: 20160330 |