CN114148478B - Method for centering large roller shutter base of ship - Google Patents
Method for centering large roller shutter base of ship Download PDFInfo
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- CN114148478B CN114148478B CN202111386592.1A CN202111386592A CN114148478B CN 114148478 B CN114148478 B CN 114148478B CN 202111386592 A CN202111386592 A CN 202111386592A CN 114148478 B CN114148478 B CN 114148478B
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- roller shutter
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- middle connecting
- holes
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- B63B73/60—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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Robotics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a centering device and a centering method for a base of a large-sized rolling shutter mechanism of a ship, wherein the device comprises a magnetic seat, a main supporting plate, a middle connecting plate, a bidirectional laser emitter, locking screws, connecting screws, main adjusting bolts and micro adjusting bolts, wherein one ends of the two main supporting plates are respectively connected with the magnetic seat, the other ends of the two main supporting plates are connected with the middle connecting plate, the middle part of the middle connecting plate is provided with the bidirectional laser emitter, the centering method is to mark points at the positions corresponding to the theoretical center of a bearing hole of the base of the rolling shutter door on two side bulkheads in a cabin, then the magnetic seat in the device is adsorbed on two sides of the mark points of one side bulkhead, the device is adjusted, so that laser at two sides of the bidirectional laser emitter are aligned with the mark points on the bulkheads at two sides, and the two sides of the laser emitter are used as theoretical lines for centering adjustment and fixing of the large-sized rolling shutter base, and then welding is carried out. The invention improves the construction efficiency and the performance and the service life of the large-sized roller shutter through laser centering, and has the advantages of convenient operation and adjustment and strong flexibility.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a device and a method for centering a large-scale roller shutter base of a ship.
Background
In the ship construction process, the rotating shafts of the large-sized roller shutter mechanism mostly adopt a multi-section combined mode, the transmission shafts are connected through bearings on the base, and in order to ensure the smoothness of the integral operation of the rotating shafts of the large-sized roller shutter mechanism, concentricity of a plurality of transmission shaft bases is required to be ensured, so that the bases are required to be centered and adjusted when the bases are installed, and the fixed installation is realized after the requirement is met.
At present, the large-scale rolling shutter mechanism of the ship adopts a hanging structure, and the transmission shaft is generally arranged at a position close to the cabin ceiling, so that the base of the transmission shaft needs to be reversely hung and welded on the cabin ceiling. The large roller shutter mechanism is installed with a relatively high cabin floor height, and the centering adjustment of the base is inconvenient to use a conventional centering instrument, and patent number CN1279334a discloses a sheet roller shutter device which allows the roller shutter end to be separated from the guide rail after the roller shutter load exceeds a predetermined value, and allows the separated end to be pushed back into the guide rail.
In the prior art, mark points are marked on bulkheads at two sides of a cabin according to the theoretical center size of a roller shutter base bearing in a pattern of a large roller shutter mechanism arrangement installation diagram, and a steel wire is pulled between the two points to conduct large roller shutter centering adjustment.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a device and a method for centering a large-scale roller shutter base of a ship.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a centering device for a large-scale roller shutter base of a ship comprises a magnetic seat, a main supporting plate, a middle connecting plate, a connecting screw, a locking screw, a bidirectional laser transmitter, a micro adjusting bolt and a main adjusting bolt; the main support plate is in a flat cuboid shape, one end of the main support plate is provided with an adjusting hole, and the other end of the main support plate is provided with a bolt hole; the whole middle connecting plate is in a flat cuboid shape, and bolt holes are formed in two ends of the middle connecting plate; one ends of the two main support plates with adjusting holes are respectively connected with a magnetic seat, the other ends of the two main support plates are connected with a middle connecting plate, and a bidirectional laser transmitter is arranged in the middle of the middle connecting plate; the centers of the end faces of the two sides of the bidirectional laser transmitter are provided with laser transmitting holes, and the laser transmitting holes of the two sides are on the same straight line; the two main supporting plates are arranged on two sides of the middle connecting plate and are integrally in a Z-shaped structure.
The adjusting hole is a strip-shaped through hole and is connected with the magnetic seat.
The middle part of the middle connecting plate is of a circular structure, the diameter of the circular structure is larger than the width of the middle connecting plate, a strip-shaped through hole is formed in the middle part of the circular structure, and bolt holes at two ends of the middle connecting plate are respectively connected with the bolt holes of the main supporting plate through connecting screws.
The bidirectional laser transmitter is cylindrical, two main adjusting bolts penetrate through the long-strip-shaped through holes in the middle connecting plate to be connected with the bidirectional laser transmitter, the main adjusting bolts are distributed on two sides of the center of the bottom of the bidirectional laser transmitter, four long-strip-shaped fixing plates which are uniformly distributed are arranged on the side face of the bottom of the bidirectional laser transmitter, threaded through holes are formed in the fixing plates, and four fine adjusting bolts penetrate through the threaded through holes in the fixing plates respectively to be supported on the upper end face of the middle connecting plate.
A method for centering a large roll screen base of a watercraft, the method comprising the steps of:
the method comprises the steps that firstly, a centering device of a large-scale roller shutter base of a ship is prepared, the centering device comprises a magnetic seat, main support plates, a middle connecting plate, a bidirectional laser transmitter, locking screws, connecting screws, main adjusting bolts and micro adjusting bolts, one ends of the two main support plates, which are provided with adjusting holes, are respectively connected with the magnetic seat, the other ends of the two main support plates are connected with the middle connecting plate, and the bidirectional laser transmitter is arranged in the middle of the middle connecting plate;
secondly, marking mark points corresponding to the theoretical center of a bearing hole on a rolling shutter door base on bulkheads at two sides of the cabin;
the third step, two magnetic seats are adsorbed on two sides of the marking points on the bulkheads, the positions of the magnetic seats on the adjusting holes of the main supporting plate are adjusted, the connecting angles of the main supporting plate and the middle connecting plate are adjusted, so that lasers on two sides of the two-way laser transmitter are aligned with the marking points on the bulkheads on two sides, the positions of the main supporting plate and the magnetic seats are fixed by tightening the locking bolts, and the positions of the middle connecting plate and the main supporting plate are fixed by tightening the connecting bolts;
fourthly, adjusting the main adjusting bolt and the micro adjusting bolt to enable laser emitted by the laser emitting holes of the two-way laser emitters to be precisely aligned with marking points on the two bulkheads;
fifthly, adjusting the large-sized roller shutter base to enable the center of a bearing of the large-sized roller shutter base to be on the same straight line with laser lines on two sides of the bidirectional laser transmitter, and welding the large-sized roller shutter base on the top of the cabin after the adjustment is completed;
and sixthly, dismantling the centering device of the large roller shutter base after welding, and finishing centering the large roller shutter base.
And finally, adjusting the fine adjusting bolt to enable the laser emitted by the laser emitting holes of the bidirectional laser emitters to be accurately aligned with the centers of the marking points on the two bulkheads.
Based on the scheme, the device and the method have the following positive and beneficial effects through practice:
1. according to the invention, the center line of the bearing hole of the large-sized roller shutter base of the ship is positioned by utilizing the bidirectional laser transmitter, so that the centering precision and the working efficiency of the large-sized roller shutter base of the ship are improved, and the use and operation cost is reduced.
2. According to the invention, the adsorption of the magnetic seat, the main support plate and the middle connecting plate form a Z-shaped structure, so that the large-scale roller shutter centering device of the ship can be conveniently fixed on the cabin wall, the position of the bidirectional laser transmitter can be flexibly adjusted, and the use efficiency of the device is improved.
Drawings
Fig. 1 is a structural elevation view of a centering device for a large roll screen base of a ship according to the present invention.
Fig. 2 is a top view of a structure of a centering device for a large-sized roll screen base of a ship according to the present invention.
Fig. 3 is a side view of the structure of the centering device for a large roller shutter base of a ship according to the present invention.
Fig. 4 is a top view of the main support plate in a large roll screen base centering device for a ship according to the present invention.
Fig. 5 is a top view of the intermediate web in a large roller shutter base centering device for a watercraft according to the invention.
The meaning of the labels in the figures is:
1. a magnetic base; 2. a main support plate; 3. a middle connecting plate; 4. a connecting screw; 5. locking a screw; 6. a bi-directional laser transmitter; 7. fine adjusting bolts; 8. a main adjusting bolt; 9. and adjusting the hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following is illustrated by the accompanying drawings
The specific examples shown in (c) illustrate the invention. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The invention provides a centering device for a large roller shutter base of a ship, which is used for realizing centering operation of the large roller shutter base in the ship construction process. The specific embodiments thereof are as follows.
As shown in fig. 1, the centering device for the large-scale roller shutter base of the ship structurally comprises a magnetic seat 1, a main supporting plate 2, a middle connecting plate 3, a connecting screw 4, a locking screw 5, a bidirectional laser transmitter 6, a fine adjusting bolt 7 and a main adjusting bolt 8; the main support plate 2 is in a flat cuboid shape, one end of the main support plate 2 is provided with an adjusting hole 9, and the other end of the main support plate 2 is provided with a bolt hole; the whole middle connecting plate 3 is in a flat cuboid shape, and bolt holes are formed in two ends of the middle connecting plate 3; one ends of the two main support plates 2 with adjusting holes 9 are respectively connected with the magnetic base 1, the other ends of the two main support plates 2 are connected with the middle connecting plate 3, and the middle part of the middle connecting plate 3 is provided with the two-way laser transmitter 6; the centers of the end faces of the two sides of the bidirectional laser transmitter 6 are provided with laser transmitting holes, and the laser transmitting holes of the two sides are on the same straight line; the two main support plates 2 are arranged at two sides of the middle connecting plate 3 and are in a Z-shaped structure as a whole.
The adjusting holes 9 are long strip-shaped through holes, the adjusting holes 9 are connected with the magnetic seats, and the adjusting holes 9 on the main supporting plate 2 can conveniently adjust the positions of the magnetic seats.
The middle part of the middle connecting plate 3 is of a circular structure, the diameter of the circular structure is larger than the width of the middle connecting plate 3, a strip-shaped through hole is formed in the middle of the circular structure, bolt holes at two ends of the middle connecting plate 3 are respectively connected with bolt holes of the main supporting plate 2 through connecting screws 4, the main supporting plate 2 is shown in fig. 4, the middle connecting plate 3 is shown in fig. 5, and the Z-shaped structure formed by the middle connecting plate 3 and the two main supporting plates 2 can flexibly adjust the position of the bidirectional laser transmitter, so that the use efficiency is improved.
The bidirectional laser transmitter 6 is cylindrical, two main adjusting bolts 8 penetrate through strip-shaped through holes in the middle connecting plate 3 to be connected with the bidirectional laser transmitter 6, the main adjusting bolts 8 are distributed on two sides of the center of the bottom of the bidirectional laser transmitter 6, four uniformly distributed strip-shaped fixing plates are arranged on the side faces of the bottom of the bidirectional laser transmitter 6, threaded through holes are formed in the fixing plates, four fine adjusting bolts 7 penetrate through the threaded through holes in the fixing plates to be supported on the upper end face of the middle connecting plate 3 respectively, the bidirectional laser transmitter 6 is shown in fig. 1, and the bidirectional laser transmitter 6 is enabled to simultaneously position bulkhead marking points through the main adjusting bolts 8 and the fine adjusting bolts 7, so that centering accuracy of a large-sized roller shutter base is improved.
The magnetic seat 1 is cuboid, the top of the magnetic seat 1 is connected with an adjusting hole 9 on the main supporting plate 2 through a locking screw 5, a triangular prism-shaped groove is formed in the side face of the bottom of the magnetic seat 1, and the magnetic seat 1 is shown in fig. 3. The magnetic seat is a market general magnetic seat and is used for being adsorbed on the side wall of the cabin to fix the centering device of the large-sized roller shutter base.
The invention also relates to a method for centering the base of the large roller shutter of the ship, which comprises the following steps:
firstly, preparing a centering device of a large-scale roller shutter base of a ship, wherein the centering device comprises a magnetic seat 1, a main support plate 2, a middle connecting plate 3, a bidirectional laser emitter 6, locking screws 5, connecting screws 4, a main adjusting bolt 8 and a fine adjusting bolt 7, wherein one ends of the two main support plates 2 with adjusting holes 9 are respectively connected with the magnetic seat, the other ends of the two main support plates 2 are connected with the middle connecting plate (3), and the bidirectional laser emitter 6 is arranged in the middle of the middle connecting plate 3;
secondly, marking mark points at positions corresponding to the theoretical centers of bearing holes on the rolling shutter door base on bulkheads at two sides of the cabin, so that the bidirectional laser transmitter can be conveniently positioned by laser;
the third step, two magnetic seats are adsorbed on two sides of the marking points on the bulkheads, the positions of the magnetic seats on the adjusting holes of the main supporting plate are adjusted, the connecting angles of the main supporting plate and the middle connecting plate are adjusted, so that lasers on two sides of the two-way laser transmitter are aligned with the marking points on the bulkheads on two sides, the positions of the main supporting plate and the magnetic seats are fixed by tightening the locking bolts, and the positions of the middle connecting plate and the main supporting plate are fixed by tightening the connecting bolts;
fourthly, adjusting the main adjusting bolt and the micro adjusting bolt to enable laser emitted by the laser emitting holes of the two-way laser emitters to be precisely aligned with marking points on the two bulkheads;
fifthly, adjusting the large-sized roller shutter base to enable the center of a bearing of the large-sized roller shutter base to be on the same straight line with laser lines on two sides of the bidirectional laser transmitter, and welding the large-sized roller shutter base on the top of the cabin after the adjustment is completed;
and sixthly, dismantling the centering device of the large roller shutter base after welding, and finishing centering the large roller shutter base.
In the fourth step, the main adjusting bolt 8 and the micro adjusting bolt 7 are adjusted by the main adjusting bolt 8, so that the laser emitted by the laser emitting holes of the two-way laser emitters 6 is aligned with the marking points on the two bulkheads, and then the micro adjusting bolt 7 is adjusted so that the laser emitted by the laser emitting holes of the two-way laser emitters 6 is precisely aligned with the centers of the marking points on the two bulkheads.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that; modifications may be made to the specific embodiments of the invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (4)
1. The utility model provides a large-scale roller shutter base centering method of boats and ships, large-scale roller shutter mechanism of boats and ships adopts hanging structure, and the transmission shaft is arranged in the position of pressing close to the cabin ceiling, and the base of transmission shaft needs to be hung down and welded on the cabin ceiling, in order to guarantee that the axis of rotation of large-scale roller shutter mechanism is whole to be operated smoothly, need guarantee the concentricity of a plurality of transmission shaft bases, so need to carry out centering adjustment to large-scale roller shutter base of boats and ships when the base is installed, its characterized in that, this method includes following steps:
firstly, preparing a large-scale roller shutter base centering device of a ship, wherein the large-scale roller shutter base centering device of the ship comprises a magnetic seat (1), a main supporting plate (2), an intermediate connecting plate (3), a connecting screw (4), a locking screw (5), a bidirectional laser transmitter (6), a micro-adjusting bolt (7) and a main adjusting bolt (8); the main support plate (2) is in a flat cuboid shape, one end of the main support plate (2) is provided with an adjusting hole (9), and the other end of the main support plate (2) is provided with a bolt hole; the whole middle connecting plate (3) is in a flat cuboid shape, and bolt holes are formed in two ends of the middle connecting plate (3); one ends of the two main support plates (2) with adjusting holes (9) are respectively connected with the magnetic seat (1), the other ends of the two main support plates (2) are connected with the middle connecting plate (3), and a bidirectional laser transmitter (6) is arranged in the middle of the middle connecting plate (3); the centers of the end faces of two sides of the bidirectional laser transmitter (6) are provided with laser transmitting holes, and the laser transmitting holes of the two sides are on the same straight line; the two main support plates (2) are arranged at two sides of the middle connecting plate (3) and are of a Z-shaped structure as a whole;
secondly, marking mark points corresponding to the theoretical center of a bearing hole on a rolling shutter door base on bulkheads at two sides of the cabin;
thirdly, two magnetic seats (1) are adsorbed on two sides of a marking point on the bulkhead, the positions of the magnetic seats (1) on the adjusting holes of the main supporting plate (2) are adjusted, the connecting angles of the main supporting plate (2) and the middle connecting plate are adjusted, so that lasers on two sides of the two-way laser transmitter (6) are aligned with the marking points on the bulkhead on two sides, the positions of the main supporting plate (2) and the magnetic seats (1) are fixed by tightening the locking bolts (5), and the positions of the middle connecting plate (3) and the main supporting plate (2) are fixed by tightening the connecting bolts (4);
step four, adjusting the main adjusting bolt (8) and the micro adjusting bolt (7) to enable laser emitted by the laser emitting holes of the bidirectional laser emitters (6) to be precisely aligned with marking points on two bulkheads; the main adjusting bolt (8) and the micro adjusting bolt (7) are used for adjusting the main adjusting bolt (8) to enable laser emitted by the laser emitting holes of the two-way laser emitters (6) to be aligned with marking points on two bulkheads, and then the micro adjusting bolt (7) is adjusted to enable the laser emitted by the laser emitting holes of the two-way laser emitters (6) to be precisely aligned with the centers of the marking points on the two bulkheads;
fifthly, adjusting the large-sized roller shutter base to enable the center of a bearing of the large-sized roller shutter base to be on the same straight line with laser lines on two sides of the bidirectional laser transmitter (6), and welding the large-sized roller shutter base on the top of the cabin after the adjustment is completed;
and sixthly, dismantling the centering device of the large roller shutter base after welding, and finishing centering the large roller shutter base.
2. A method for centering a large roller shutter base of a ship according to claim 1, characterized in that the adjusting hole (9) is a long strip-shaped through hole, and the adjusting hole (9) is connected with a magnetic seat.
3. The method for centering the large-scale roller shutter base of the ship according to claim 1, wherein the middle part of the middle connecting plate (3) is of a circular structure, the diameter of the circular structure is larger than the width of the middle connecting plate (3), a strip-shaped through hole is formed in the middle of the circular structure, and bolt holes at two ends of the middle connecting plate (3) are respectively connected with bolt holes of the main supporting plate (2) through connecting screws (4).
4. The method for centering the large-scale roller shutter base of the ship according to claim 1, wherein the bidirectional laser transmitter (6) is cylindrical, two main adjusting bolts (8) penetrate through strip-shaped through holes in the middle connecting plate (3) to be connected with the bidirectional laser transmitter (6), the main adjusting bolts (8) are distributed on two sides of the center of the bottom of the bidirectional laser transmitter (6), four uniformly distributed strip-shaped fixing plates are arranged on the side surfaces of the bottom of the bidirectional laser transmitter (6), threaded through holes are formed in the fixing plates, and four fine adjusting bolts (7) penetrate through the threaded through holes in the fixing plates to be supported on the upper end face of the middle connecting plate (3) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111386592.1A CN114148478B (en) | 2021-11-22 | 2021-11-22 | Method for centering large roller shutter base of ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111386592.1A CN114148478B (en) | 2021-11-22 | 2021-11-22 | Method for centering large roller shutter base of ship |
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| CN114148478A CN114148478A (en) | 2022-03-08 |
| CN114148478B true CN114148478B (en) | 2024-03-26 |
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| CN110966903A (en) * | 2019-10-17 | 2020-04-07 | 河南平高通用电气有限公司 | Box transformer copper bar measuring tool |
| CN210968094U (en) * | 2019-09-02 | 2020-07-10 | 广西电网有限责任公司贵港供电局 | Laser positioning device and cutting machine |
-
2021
- 2021-11-22 CN CN202111386592.1A patent/CN114148478B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100637695B1 (en) * | 2005-09-15 | 2006-10-25 | 이용호 | Target for measurement pipe laying length |
| KR20080048771A (en) * | 2006-11-29 | 2008-06-03 | (주)인천측기 | Laser horizontality-perpendicularity equipment and a trivet |
| CN105136029A (en) * | 2015-07-21 | 2015-12-09 | 中国船舶重工集团公司第七二五研究所 | Adjustment method for centering and parallelism between three-point bending sample and clamp |
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| CN114148478A (en) | 2022-03-08 |
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