CN111452942A - Rudder blade underwater inspection operation hole and ship sleeve rudder - Google Patents
Rudder blade underwater inspection operation hole and ship sleeve rudder Download PDFInfo
- Publication number
- CN111452942A CN111452942A CN202010466415.3A CN202010466415A CN111452942A CN 111452942 A CN111452942 A CN 111452942A CN 202010466415 A CN202010466415 A CN 202010466415A CN 111452942 A CN111452942 A CN 111452942A
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- hole
- rudder
- rudder blade
- inspection operation
- underwater inspection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/38—Rudders
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a rudder blade underwater inspection operation hole and a ship sleeve rudder, which relate to the technical field of ship inspection and comprise a first through hole arranged on a rudder blade, a second through hole arranged on a rudder stock sleeve and a third through hole arranged on a bushing; a sealing structure is arranged on one side, away from the bush, of the second through hole; the extension directions of the first through hole, the second through hole and the third through hole are the same, and in a plane perpendicular to the extension direction of the first through hole, the projection area of the third through hole is smaller than or equal to the projection area of the second through hole; the projections of the second through hole and the third through hole are both in the projection of the first through hole. When carrying out the inspection under water, open seal structure, observe the position of third through-hole for the second through-hole through first through-hole, directly judge whether rudder stock sleeve and bush take place to shift, insert the clearance gauge through first through-hole, second through-hole and third through-hole, inspect the clearance between axle sleeve and the bush, confirm the wearing and tearing condition, detect convenient and fast.
Description
Technical Field
The invention relates to the technical field of ship underwater inspection, in particular to an underwater inspection operation hole for a rudder blade and a ship sleeve rudder.
Background
At present, the classification society standard pays attention to the underwater inspection of the ship, so the design requirement of the ship can meet and conveniently carry out the underwater inspection.
As shown in fig. 4 and 5, the ship sleeve rudder comprises a rudder stock 10 ', a rudder stock sleeve 20 ' and a rudder blade 30 ', a shaft sleeve 11 ' and a bushing 21 ' are arranged between the rudder stock 10 ' and the rudder stock sleeve 20 ', the shaft sleeve 11 ' is sleeved on the outer wall of the rudder stock 10 ' in the circumferential direction, and the bushing 21 ' is connected in an inner cavity of the rudder stock sleeve 20 ' in an interference fit manner, and the shaft sleeve 11 ' and the bushing 21 ' are rotatably connected; the rudder blade 30 'is fitted on the outside of the rudder stock sleeve 20'. In a normal design, a viewing hole 31 'is left in the rudder blade at a position below the rudder stock sleeve, and a groove 23' is formed in the bottom of the rudder stock sleeve 20 'and the bush 21'.
Two aspects including the inspection rudderstock bush in the underwater inspection project are that firstly, the clearance of shaft sleeve and bush friction loss needs to be inspected, and secondly, whether the rudderstock sleeve and the bush shift or not needs to be confirmed. A feeler 22' is put in from the observation hole for checking the clearance between the sleeve and the bush; a hand stretches into the bottom of the rudder stock sleeve from the observation hole to touch the groove so as to confirm whether the position of the bushing is displaced, and the displacement condition cannot be directly observed and is only touched by the hand, so that the displacement of the bushing is not accurate enough and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a rudder blade underwater inspection operation hole and a ship sleeve rudder, which are used for relieving the technical problems that an observation hole is reserved on a rudder blade at the position below a sleeve, a hand is required to extend into the bottom of a rudder stock sleeve from the observation hole to touch a groove so as to confirm whether the position of a bush is displaced, and the displacement condition cannot be directly observed and is only touched by the hand, so that the displacement of the bush is not detected accurately enough and certain potential safety hazards exist.
The rudder blade underwater inspection operation hole provided by the invention comprises a first through hole, a second through hole and a third through hole; the first through hole is formed in the rudder blade, the second through hole is formed in the rudder stock sleeve, and the third through hole is formed in the bushing;
a sealing structure is arranged on one side, away from the bushing, of the second through hole;
the extending directions of the first through hole, the second through hole and the third through hole are the same, and in a plane perpendicular to the extending direction of the first through hole, the projection surface of the third through hole is smaller than or equal to the projection area of the second through hole; the projections of the second through hole and the third through hole are both in the projection of the first through hole.
Further, the second through hole and the third through hole are both round holes;
the center lines of the second through hole and the third through hole are overlapped, and the diameters of the second through hole and the third through hole are the same.
Furthermore, the first through hole is a circular hole, and the diameter of the first through hole is larger than or equal to that of the second through hole;
the central lines of the first through hole, the second through hole and the second through hole are overlapped.
Further, the sealing structure comprises a plug screw and an internal thread arranged at one end of the second through hole close to the rudder blade; the plug screw is matched with the internal thread and used for sealing the second through hole.
Furthermore, a sealing ring is arranged at the joint of the second through hole and the screw plug.
Furthermore, a gland is arranged at the position of the first through hole, and a first connecting structure is arranged at the joint of the gland and the first through hole, so that the gland can seal the first through hole.
Further, the first connecting structure comprises a screw, a fixing part arranged at the first through hole and a mounting hole arranged on the gland;
the fixing part is arranged on the inner wall of the first through hole and extends towards the center line direction of the first through hole; the fixing part is provided with a screw hole corresponding to the mounting hole, and the screw is inserted into the mounting hole and the screw hole and used for installing the gland in the first through hole.
Furthermore, the gland is made of transparent materials.
Further, the gland is tempered glass or pressure-resistant glass.
The ship sleeve rudder provided by the invention comprises the rudder blade underwater inspection operation hole.
The rudder blade underwater inspection operation hole provided by the invention comprises a first through hole, a second through hole and a third through hole; the first through hole is formed in the rudder blade, the second through hole is formed in the rudder stock sleeve, and the third through hole is formed in the bushing; a sealing structure is arranged on one side, away from the bushing, of the second through hole; the extending directions of the first through hole, the second through hole and the third through hole are the same, and in a plane perpendicular to the extending direction of the first through hole, the projection surface of the third through hole is smaller than or equal to the projection area of the second through hole; the projections of the second through hole and the third through hole are both in the projection of the first through hole. When carrying out the underwater inspection of sleeve rudder, open seal structure, through first through-hole, observe the position of third through-hole for the second through-hole, just can directly judge whether take place to shift rudder stock sleeve and bush, insert the clearance gauge through first through-hole, second through-hole and third through-hole, inspect the clearance between axle sleeve and the bush, confirm the wearing and tearing condition, detect convenient and fast.
The ship sleeve rudder provided by the invention comprises the rudder blade underwater inspection operation hole. Therefore, the ship sleeve rudder also has the advantage that the rudder blade underwater inspection operation hole is formed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a structural diagram of an underwater rudder blade inspection operation hole provided by an embodiment of the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is a schematic view of a prior art inspection of bushing to bushing clearance;
fig. 5 is a schematic view of a prior art check for movement of a rudder stock sleeve and bushing.
Icon: 10' -tiller; 11' -shaft sleeve; 20' -tiller sleeve; 21' -a bushing; 22' -feeler gauge; 23' -grooves; 30' -rudder blade; 31' -viewport; 10-a tiller; 11-a shaft sleeve; 20-tiller sleeve; 21-a liner; 30-rudder blade; 100-a first via; 110-a gland; 111-mounting holes; 120-a stationary part; 121-screw holes; 200-a second via; 210-a plug screw; 220-sealing ring; 300-third via.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the rudder blade underwater inspection operation hole provided by the present invention includes a first through hole 100, a second through hole 200, and a third through hole 300; a first through hole 100 is provided on the rudder blade 30, a second through hole 200 is provided on the rudder stock sleeve 20, and a third through hole 300 is provided on the bush 21; the first through hole 100, the second through hole 200 and the third through hole 300 are arranged on the same side.
The side of the second through hole 200 remote from the bush 21 is provided with a sealing structure.
The extending directions of the first through hole 100, the second through hole 200 and the third through hole 300 are the same, and in a plane perpendicular to the extending direction of the first through hole 100, the projection surface of the third through hole 300 is smaller than or equal to the projection area of the second through hole 200; the projections of the second through hole 200 and the third through hole 300 are both within the projection of the first through hole 100.
During the use, when carrying out the underwater inspection of sleeve rudder, open seal structure, through first through-hole 100, observe the position of third through-hole 300 for second through-hole 200, just can directly judge whether take place to shift rudder stock sleeve 20 and bush 21, insert the clearance gauge through first through-hole 100, second through-hole 200 and third through-hole 300, inspect the clearance between axle sleeve 11 and the bush 21, confirm the wearing and tearing condition, detect convenient and fast.
The shaft sleeve 11 is sleeved on the outer wall circumference of the rudder stock 10, the bush 21 is connected in the inner cavity of the rudder stock sleeve 20 in an interference fit mode, and the shaft sleeve 11 is rotatably connected with the bush 21.
The second through hole 200 and the third through hole 300 can be round holes, also can be rectangular holes, or the hole shape of other shapes, and the area more than or equal to the area of third through hole 300 of second through hole 200 observes promptly in the second through hole 200, can see the position of third through hole 300, makes things convenient for operating personnel to directly can judge whether take place to remove between rudder stock sleeve 20 and the bush 21 through observing.
It should be noted that the second through hole 200 and the third through hole 300 may also be holes with other shapes, such as triangle, pentagon, hexagon, etc.
The first through hole 100 may be circular, or may be rectangular or other polygonal shape, and an operator may observe the second through hole 200 and the third through hole 300 through the first through hole 100.
Further, the second through hole 200 and the third through hole 300 are both circular holes.
The center lines of the second through hole 200 and the third through hole 300 are coincident, and the diameters of the second through hole 200 and the third through hole 300 are the same.
In this embodiment, the second through hole 200 and the third through hole 300 are both circular holes, the center lines of the second through hole 200 and the third through hole 300 are overlapped, and the diameters of the second through hole 200 and the third through hole 300 are the same, under normal conditions, the second through hole 200 and the third through hole 300 complete the overlapping state, when the rudder stock sleeve 20 and the bushing 21 move relatively, the second through hole 200 and the third through hole 300 are dislocated, and an operator can visually observe the second through hole 200 from the first through hole 100.
Further, the first through hole 100 is a circular hole, and the diameter of the first through hole 100 is greater than or equal to the diameter of the second through hole 200.
The center lines of the first through-hole 100, the second through-hole 200, and the second through-hole 200 coincide.
Specifically, in the present embodiment, the first through hole 100 is also a circular hole, the diameter of the first through hole 100 is greater than the diameter of the second through hole 200, and the center lines of the first through hole 100, the second through hole 200 and the third through hole 300 are overlapped.
The first through hole 100 may not coincide with the center lines of the second through hole 200 and the third through hole 300, and the operator may observe the relative position of the second through hole 200 and the third through hole 300 through the first through hole 100 of the rudder blade 30 because the diameter of the first through hole 100 is larger than the diameter of the second through hole 200.
The first through hole 100 may have other shapes, so that an operator can observe the relative positions of the second through hole 200 and the third through hole 300.
Further, the sealing structure comprises a screw plug 210 and an internal thread arranged at one end of the second through hole 200 close to the rudder blade 30; the plug screw 210 is fitted with the internal thread for sealing the second through-hole 200.
Specifically, in the present embodiment, the sealing structure includes an internal thread disposed on the second through hole 200 near the end of the first through hole 100, and a plug screw 210 is connected to the internal thread to seal the second through hole 200 and prevent water and other impurities from entering therein.
Further, a sealing ring 220 is disposed at the joint of the second through hole 200 and the plug screw 210.
Specifically, the end of the second through hole 200 for mounting the plug screw 210 is provided with a sunken platform, the plug screw 210 is provided with a boss corresponding to the sunken platform, and a sealing ring 220 is arranged between the sunken platform and the boss, so that a gap between the plug screw 210 and the second through hole 200 can be sealed.
The seal ring 220 may be an O-ring rubber seal ring 220.
Further, a gland 110 is disposed at the first through hole 100, and a first connection structure is disposed at a joint of the gland 110 and the first through hole 100, so that the gland 110 can seal the first through hole 100.
Specifically, a gland 110 is disposed at the first through hole 100, and the gland 110 is connected to an opening of the first through hole 100 through a first connection structure to seal the first through hole 100.
Preferably, the first connection structure includes a screw, a fixing part 120 provided at the first through hole 100, and a mounting hole 111 provided on the gland 110.
The fixing portion 120 is disposed on an inner wall of the first through hole 100 and extends toward a center line direction of the first through hole 100; the fixing portion 120 is provided with a screw hole 121 corresponding to the mounting hole 111, and a screw is inserted into the mounting hole 111 and the screw hole 121 to mount the gland 110 in the first through hole 100.
Specifically, a fixing portion 120 protruding toward the center is provided in the first through hole 100, a screw hole 121 is provided on the fixing portion 120, a mounting hole 111 corresponding to the screw hole 121 is provided on the gland 110, a screw is inserted into the mounting hole 111, the screw is connected with the screw hole 121 on the fixing portion 120, and the gland 110 is connected with the fixing portion 120 in the first through hole 100 by the screw connected in the mounting hole 111 and the screw hole 121.
The number of the screw holes 121 and the mounting holes 111 is plural and corresponds to one another.
Further, the cover 110 is made of a transparent material.
Specifically, the gland 110 may be made of a transparent material, and when the feeler is not detected, it may be determined whether the rudder stock sleeve 20 and the bushing 21 move without disassembling the gland 110.
Preferably, the pressing cover 110 is tempered glass or pressure-resistant glass.
The ship sleeve rudder provided by the invention comprises the rudder blade underwater inspection operation hole, so that the ship sleeve rudder also has the advantage of the rudder blade underwater inspection operation hole.
In summary, the rudder blade underwater inspection operation hole provided by the invention comprises a first through hole 100, a second through hole 200 and a third through hole 300; a first through hole 100 is provided on the rudder blade 30, a second through hole 200 is provided on the rudder stock sleeve 20, and a third through hole 300 is provided on the bush 21; the side of the second through hole 200 away from the bush 21 is provided with a sealing structure; the extending directions of the first through hole 100, the second through hole 200 and the third through hole 300 are the same, and in a plane perpendicular to the extending direction of the first through hole 100, the projection surface of the third through hole 300 is smaller than or equal to the projection area of the second through hole 200; the projections of the second through hole 200 and the third through hole 300 are both within the projection of the first through hole 100. During the use, when carrying out the underwater inspection of sleeve rudder, open seal structure, through first through-hole 100, observe the position of third through-hole 300 for second through-hole 200, just can directly judge whether take place to shift rudder stock sleeve 20 and bush 21, insert the clearance gauge through first through-hole 100, second through-hole 200 and third through-hole 300, inspect the clearance between axle sleeve 11 and the bush 21, confirm the wearing and tearing condition, detect convenient and fast.
The ship sleeve rudder provided by the invention comprises a rudder blade underwater inspection operation hole. Therefore, the ship sleeve rudder also has the advantage of underwater inspection operation holes of the rudder blade.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The rudder blade underwater inspection operation hole is characterized by comprising a first through hole, a second through hole and a third through hole; the first through hole is formed in the rudder blade, the second through hole is formed in the rudder stock sleeve, and the third through hole is formed in the bushing;
a sealing structure is arranged on one side, away from the bushing, of the second through hole;
the extending directions of the first through hole, the second through hole and the third through hole are the same, and in a plane perpendicular to the extending direction of the first through hole, the projection surface of the third through hole is smaller than or equal to the projection area of the second through hole; the projections of the second through hole and the third through hole are both in the projection of the first through hole.
2. The rudder blade underwater inspection operation hole according to claim 1, wherein the second through hole and the third through hole are both circular holes;
the center lines of the second through hole and the third through hole are overlapped, and the diameters of the second through hole and the third through hole are the same.
3. The rudder blade underwater inspection operation hole according to claim 2, wherein the first through hole is a circular hole, and a diameter of the first through hole is equal to or larger than a diameter of the second through hole;
the central lines of the first through hole, the second through hole and the second through hole are overlapped.
4. The rudder blade underwater inspection operation hole as claimed in claim 2, wherein the sealing structure includes a plug screw and an internal thread provided at one end of the second through hole near the rudder blade; the plug screw is matched with the internal thread and used for sealing the second through hole.
5. The rudder blade underwater inspection operation hole as claimed in claim 4, wherein a sealing ring is provided at a junction of the second through hole and the plug screw.
6. The rudder blade underwater inspection operation hole according to claim 1, wherein a gland is provided in the first through hole, and a first connection structure is provided at a junction of the gland and the first through hole so that the gland can seal the first through hole.
7. The rudder blade underwater inspection operation hole of claim 6, wherein the first connection structure includes a screw, a fixing portion provided at the first through hole, and a mounting hole provided at the gland;
the fixing part is arranged on the inner wall of the first through hole and extends towards the center line direction of the first through hole; the fixing part is provided with a screw hole corresponding to the mounting hole, and the screw is inserted into the mounting hole and the screw hole and used for installing the gland in the first through hole.
8. The rudder blade underwater inspection operation hole as claimed in claim 6, wherein the gland is made of a transparent material.
9. The rudder blade underwater inspection operation hole as claimed in claim 8, wherein the gland is tempered glass or pressure-resistant glass.
10. A marine sleeve rudder comprising the rudder blade underwater inspection operation hole according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466415.3A CN111452942A (en) | 2020-05-28 | 2020-05-28 | Rudder blade underwater inspection operation hole and ship sleeve rudder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466415.3A CN111452942A (en) | 2020-05-28 | 2020-05-28 | Rudder blade underwater inspection operation hole and ship sleeve rudder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111452942A true CN111452942A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010466415.3A Pending CN111452942A (en) | 2020-05-28 | 2020-05-28 | Rudder blade underwater inspection operation hole and ship sleeve rudder |
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| Country | Link |
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| CN (1) | CN111452942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208729A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Detection method of fully-suspended twisted rudder blade |
| CN113295072A (en) * | 2021-05-25 | 2021-08-24 | 神华准格尔能源有限责任公司 | Method and system for detecting abrasion loss of sliding bearing for heavy mining equipment |
-
2020
- 2020-05-28 CN CN202010466415.3A patent/CN111452942A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208729A (en) * | 2020-10-23 | 2021-01-12 | 中船黄埔文冲船舶有限公司 | Detection method of fully-suspended twisted rudder blade |
| CN113295072A (en) * | 2021-05-25 | 2021-08-24 | 神华准格尔能源有限责任公司 | Method and system for detecting abrasion loss of sliding bearing for heavy mining equipment |
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