CN1932443B - Navigation system level reference apparatus - Google Patents
Navigation system level reference apparatus Download PDFInfo
- Publication number
- CN1932443B CN1932443B CN200610116826XA CN200610116826A CN1932443B CN 1932443 B CN1932443 B CN 1932443B CN 200610116826X A CN200610116826X A CN 200610116826XA CN 200610116826 A CN200610116826 A CN 200610116826A CN 1932443 B CN1932443 B CN 1932443B
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- Prior art keywords
- platform
- adjusting bolt
- navigation system
- bolt
- horizontal
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- 230000001681 protective effect Effects 0.000 claims description 12
- 210000002268 wool Anatomy 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000009987 spinning Methods 0.000 abstract 2
- 238000003466 welding Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a horizontal reference device for the guidance system. It includes the measuring table, the adjusting bolt and the basement. The top of the measuring table is the base table and the lower is the soleplate which is parallel with the base table. The cross rib plate is between the base table and the soleplate which is set with four bolt holes in which is the adjusting bolt. The bottom of the adjusting bolt is welded on the basement. The upper nut is spinning on the screw thread of the lug bolt hole and the down nut is spinning on the screw thread of the down surface adjusting bolt. The measuring table is fixed with the adjusting bolt by the four upper and down nuts. The top of the basement is the table which is welded with the four adjusting nuts and the reinforced rib plate is welded on the shipping board. The device can be fixed in the defined position of the ship to get the high precision of the horizontal and install easily.
Description
Technical Field
The invention relates to a horizontal reference device, in particular to a horizontal reference device for a navigation system.
Background
The level device for navigation systems, for which the precision requirements in shipbuilding are very strict, must maintain a precise level to enable certain special operations in the seagoing. The conventional method adopted at present is to use: welding an iron plate at the corresponding position of the main keel of the ship body, and manually grinding the plane of the iron plate after the welded iron plate is cooled until the plane meets the strict horizontal requirement. The defects of the manual grinding plane are prominent and mainly appear as follows:
the manual grinding workload is large. The horizontal device of the navigation system adopts a welded iron plate and then is manually grinded, so that huge workload of workers can be caused, the navigation system is positioned on a central line of a keel of a ship, the central line is positioned at the bottom of a cabin, the working environment is severe, workpieces adopted by manual grinding are more original, the requirement on technical proficiency is very high, and the horizontal device is slightly poor in pool during long-time working and is reground, so that huge workload is caused.
② the precision is not high. Under the high-precision requirement of the navigation system, manual grinding is adopted, the technical requirement on technical personnel is high, the technical personnel still have patience, the precision is difficult to hold in severe environment and long working time, the precision of the processed horizontal device is poor, the stable and normal work of the navigation system is further influenced, deformation can occur in the using process, and the precision of the navigation system cannot be guaranteed by re-grinding.
Thirdly, the economy is poor. A welded iron plate is manufactured into a high-precision navigation system horizontal reference device by a manual grinding method, and the navigation system horizontal reference device can be finished by skilled workers for dozens of days, so that the working efficiency is low, and the economical efficiency is poor.
Disclosure of Invention
The invention aims to overcome the defects of manually grinding a horizontal device of a navigation system and provides the horizontal device of the ship navigation system. The ship navigation system horizontal device provided by the invention adjusts the measuring platform to be horizontal by adjusting the adjusting bolt, overcomes the defects of low efficiency and incapability of ensuring precision caused by manual grinding of the measuring platform, can be accurately processed in a workshop and then installed to a ship determined position, and realizes high horizontal precision and simple and convenient installation of the navigation horizontal device.
The technical scheme of the invention is as follows:
the utility model provides a horizontal benchmark device of ship navigation, includes measuring platform, adjusting bolt and base, measuring platform's upper portion be the benchmark platform, the lower part is the bottom plate parallel with the benchmark platform, has the cross gusset between benchmark platform and the bottom plate, the bottom plate has respectively bored a bolt through-hole in four regions that the cross gusset divides, the bolt through-hole in worn adjusting bolt, on adjusting bolt's bottom was arranged in the base, the threaded part of adjusting bolt outstanding bolt through-hole has screwed up nut, the threaded part of the lower surface adjusting bolt who hugs closely the bottom plate has screwed down nut, measuring platform is fixed with adjusting bolt through its bottom plate by four up-nuts and down-nut, the top of base is the platform integrative with four adjusting bolt welding, the reinforcement welding of platform lower part is to the boats and ships on the deck.
The reference platform is circular, the upper surface of the reference platform is provided with a circular boss with a smaller radius than the outer edge of the reference platform, and a plurality of concave lines with equal angular intervals are engraved from the circumference of the circular boss to the center of a circle.
The upper part of the reference platform is also covered with a circular protective cover which has the same outer diameter as the reference platform and is provided with a circular protrusion, the edge parts of the protective cover and the reference platform are respectively provided with a plurality of through holes correspondingly, and the protective cover and the reference platform are fixed by a plurality of fixing bolts penetrating through the through holes.
And a wool felt filled with machine oil is filled in the cavity between the reference platform and the protective cover.
Compared with the prior art, the invention has the following advantages:
the manufacturing is simple, and the installation is convenient. The components of the horizontal reference device can be installed after being processed in a workshop, the installation is simple and convenient, the labor efficiency is greatly improved compared with manual grinding, the horizontal reference device can realize the horizontal reference platform by adjusting four adjusting bolts through spot welding after installation, and the use is simple and rapid. .
High precision and good reliability. The parts of the device are machined in a machining workshop, the high precision of the device can be guaranteed, the levelness of the measuring platform can be guaranteed through spot welding in the installation process, the adjusting bolt can be subjected to spot welding again in the use process to enable the measuring platform to be accurate in level, and the horizontal precision in installation and use can be guaranteed.
Drawings
Fig. 1 is a front view of a horizontal reference device of a ship navigation system according to the present invention.
Fig. 2 is a top view of a reference platform of the horizontal reference device of the ship navigation system of the present invention.
FIG. 3 is a view of the measuring platform A-A of the horizontal reference device of the ship navigation system.
FIG. 4 is a view of a measuring platform B-B of the horizontal reference device of the ship navigation system.
Wherein,
1-measuring platform 11-reference platform 12-bottom plate 13-cross rib plate
2-adjusting bolt 3-base 31-round platform 4-protective cover 5-wool felt
6-fixing bolt 7-lower nut 8-upper nut 9-deck
Detailed Description
The horizontal reference device of the ship navigation system of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, 3 and 4, fig. 1 is a front view of a horizontal reference device of a ship navigation system of the present invention, fig. 3 is a view of a measuring platform a-a of the horizontal reference device of the ship navigation system of the present invention, fig. 4 is a view of a measuring platform B-B of the horizontal reference device of the ship navigation system of the present invention, and it can be seen from the drawings that the horizontal reference device of the ship navigation system of the present invention comprises a measuring platform 1, an adjusting bolt 2 and a base 3, the upper portion of the measuring platform 1 is a reference platform 11, the lower portion is a bottom plate 12 parallel to the reference platform, a cross rib plate 13 is arranged between the reference platform and the bottom plate, a bolt through hole is drilled in each of four areas of the bottom plate 12 divided by the cross rib plate 13, the adjusting bolt 2 penetrates through the bolt through hole, the bottom of the adjusting bolt 2 is welded on the base 3, an upper nut 8, the lower nut 7 is screwed on the threaded part of the lower surface adjusting bolt 2 tightly attached to the bottom plate 3, the measuring platform 1 is fixed with the adjusting bolt 2 through the bottom plate 12 of the measuring platform by four upper nuts 8 and the lower nut 7, the top of the base 3 is a platform 31 integrally welded with the four adjusting bolts 2, and a reinforcing rib plate at the lower part of the platform 31 is welded on a ship deck 9. A circular protective cover 4 with the same outer diameter as the reference platform 11 and a circular protrusion is covered above the reference platform 11, a plurality of through holes are correspondingly arranged at the edge parts of the protective cover 4 and the reference platform 11, and a plurality of fixing bolts 6 penetrate through the through holes to fix the protective cover 4 and the reference platform 11. And a wool felt 5 filled with grease is filled in a cavity between the reference platform 11 and the protective cover 4.
Referring to fig. 2, a top view of the reference platform of the horizontal reference device of the ship navigation system is shown. As can be seen from the figure, the reference platform 11 is circular, the upper surface of the reference platform is provided with a circular boss 111 with a smaller radius than the outer edge, a plurality of concave lines with equal angular intervals are engraved from the circumference to the center of the circular boss 111, and the interval angle between two adjacent concave lines is 30'.
The installation and use steps of the horizontal base of the ship navigation system provided by the invention are as follows:
welding a base to a specified position of a slipway deck;
secondly, placing a reference platform and an adjusting bolt on an upper plane circular platform 31 of the base, adjusting an upper nut 8 and a lower nut 7 until the measuring platform 1 is horizontal, placing a level gauge on a reference platform 11 of the measuring platform 1 to determine that the adjusting amplitude is not more than 5' in the same direction, and ensuring that the central line of the horizontal base is coincident with the central line of the ship body;
welding the bottoms of the four adjusting bolts to the upper surface of the base by spot welding, and naturally cooling to room temperature;
fourthly, after the upper nut and the lower nut are used again for accurately adjusting the measuring platform to be horizontal, the upper nut and the lower nut are spot-welded, when the upper nut and the lower nut are spot-welded, a gradienter is placed on the measuring platform, the levelness during spot welding is accurately measured, the levelness of the measuring platform can be corrected through reciprocating spot welding, the final levelness is not more than 0.5' in the same direction, and the central line of the reference platform is enabled to be coincident with the central line of the ship.
Production practices show that the leveling device of the ship navigation system is utilized to adjust the measuring platform to be level by adjusting the adjusting bolt, so that the defects of low efficiency and incapability of ensuring precision caused by manual grinding of the measuring platform are overcome, the leveling device of the ship navigation system can be accurately machined in a workshop and then installed to a ship determined position, the leveling device of the navigation system is high in level precision, and the installation is simple and convenient.
Claims (4)
1. A ship navigation system horizontal reference device comprises a measuring platform (1), an adjusting bolt (2) and a base (3), and is characterized in that the upper part of the measuring platform (1) is a reference platform (11), the lower part of the measuring platform is a bottom plate (12) parallel to the reference platform, a cross-shaped rib plate (13) is arranged between the reference platform and the bottom plate, four areas of the bottom plate (12) divided by the cross-shaped rib plate (13) are respectively provided with a bolt through hole, the adjusting bolt (2) penetrates through the bolt through hole, the bottom of the adjusting bolt (2) is welded on the base (3), the threaded part of the adjusting bolt (2) protruding out of the bolt through hole is screwed with an upper nut (8), the threaded part of the adjusting bolt (2) close to the lower surface of the bottom plate (3) is screwed with a lower nut (7), the measuring platform (1) is fixed with the adjusting bolt (2) through the bottom plate (12) by the four upper nuts (8) and the lower nuts (7), the top of the base (3) is a platform (31) welded with the four adjusting bolts (2) into a whole, and a reinforcing rib plate at the lower part of the platform (31) is welded to a ship deck (9).
2. The horizontal reference device of a navigation system according to claim 1, wherein the reference platform (11) is circular, the upper surface of the reference platform is provided with a circular boss with a smaller radius than the outer edge of the circular boss, and a plurality of concave lines with equal angular intervals are engraved from the circumference to the center of the circular boss.
3. The horizontal reference device of the navigation system as claimed in claim 2, wherein a circular protective cover (4) having the same outer diameter as the reference platform (11) and a circular protrusion is further covered above the reference platform (11), a plurality of through holes are correspondingly formed at the edge portions of the protective cover (4) and the reference platform (11), and a plurality of fixing bolts (6) are passed through the through holes to fix the protective cover (4) and the reference platform (11).
4. A navigation system horizontal reference device according to claim 3, characterized in that the cavity between the reference platform (11) and the protective cover (4) is filled with a wool felt (5) filled with grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610116826XA CN1932443B (en) | 2006-09-30 | 2006-09-30 | Navigation system level reference apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610116826XA CN1932443B (en) | 2006-09-30 | 2006-09-30 | Navigation system level reference apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932443A CN1932443A (en) | 2007-03-21 |
| CN1932443B true CN1932443B (en) | 2011-01-26 |
Family
ID=37878396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610116826XA Active CN1932443B (en) | 2006-09-30 | 2006-09-30 | Navigation system level reference apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1932443B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596142A (en) * | 2018-10-31 | 2019-04-09 | 沪东中华造船(集团)有限公司 | Horizontal adjustment tooling and the Calibration Method when naval vessel tilts in inertial navigation equipment installation |
| CN110836664B (en) * | 2019-09-29 | 2021-06-08 | 渤海造船厂集团有限公司 | Building method and device for uniform benchmark of slipway |
| CN112344880B (en) * | 2020-09-30 | 2022-08-12 | 中国科学院新疆天文台 | Environment monitoring and regulating box for installation and leveling of double-shaft inclinometer |
| CN112525186A (en) * | 2020-11-25 | 2021-03-19 | 江南造船(集团)有限责任公司 | Installation method of astronomical navigation equipment |
| CN112519981A (en) * | 2020-11-26 | 2021-03-19 | 江南造船(集团)有限责任公司 | Method for mounting laser inertia platform |
| CN112550609B (en) * | 2020-12-02 | 2022-02-22 | 沪东中华造船(集团)有限公司 | Leveling and mounting device for inclinometer base of ship during building of slipway |
| CN112550608B (en) * | 2020-12-02 | 2022-02-22 | 沪东中华造船(集团)有限公司 | Leveling installation method for inclinometer base during building of ship on slipway |
| CN113187988B (en) * | 2021-04-29 | 2022-10-28 | 广船国际有限公司 | Use method of auxiliary leveling mechanism of shipborne equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413266Y (en) * | 2000-02-17 | 2001-01-03 | 大连方舟科贸有限公司 | Multi-purpose horizontal stable platform |
| CN2745032Y (en) * | 2004-07-26 | 2005-12-07 | 天津市明达修船有限公司 | Magnetic compass for vessels |
| CN1818548A (en) * | 2006-03-10 | 2006-08-16 | 沪东重机股份有限公司 | Horizontal measuring device for low-speed diesel engine basement of ship |
-
2006
- 2006-09-30 CN CN200610116826XA patent/CN1932443B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413266Y (en) * | 2000-02-17 | 2001-01-03 | 大连方舟科贸有限公司 | Multi-purpose horizontal stable platform |
| CN2745032Y (en) * | 2004-07-26 | 2005-12-07 | 天津市明达修船有限公司 | Magnetic compass for vessels |
| CN1818548A (en) * | 2006-03-10 | 2006-08-16 | 沪东重机股份有限公司 | Horizontal measuring device for low-speed diesel engine basement of ship |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平5-322563A 1993.12.07 |
| JP特开平8-2188322A 1996.08.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1932443A (en) | 2007-03-21 |
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