CN214648967U

CN214648967U - Ship rudder system underwater inspection structure and ship rudder system

Info

Publication number: CN214648967U
Application number: CN202120223314.3U
Authority: CN
Inventors: 葛兴伟
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Guangzhou Shipyard International Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-09
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a boats and ships rudder system is inspection structure and boats and ships rudder system under water. Ship rudder is structure of examining under water, including inspection hole and apron, the inspection hole is seted up on the rudder blade, the aperture in inspection hole is 250mm ~ 350mm, the inboard in inspection hole is provided with annular fixed plate, the one end of fixed plate with the pore wall fixed connection in inspection hole, the other end orientation of fixed plate the center in inspection hole is extended, the apron with the fixed plate passes through fastening components and can dismantle the connection, covers with the selectivity inspection hole, the border of apron with first gap has between the pore wall in inspection hole, it has sealed glue to fill in the first gap. The underwater inspection device is convenient for underwater inspection work of the ship rudder system.

Description

Ship rudder system underwater inspection structure and ship rudder system

Technical Field

The utility model relates to a boats and ships technical field especially relates to a boats and ships rudder system is inspection structure and boats and ships rudder system under water.

Background

The ship sails on water and needs to ensure that the underwater inspection meets the standard requirement. In the specification, the clearance between a shaft sleeve and a bush in the ship rudder system is required to be larger than or equal to 1.5mm, and the size of the peripheral clearance is required to be as average as possible. During the use process of the ship rudder system, friction exists between the shaft sleeve and the bushing, so that the ship rudder system needs to be inspected underwater. The underwater inspection of the ship rudder system comprises the following two aspects: 1. checking whether the clearance between the shaft sleeve and the bush deviates; 2. and (5) checking the actual abrasion loss of the shaft sleeve and the bushing.

In the prior art, semicircular holes are formed in the left end and the right end of a rudder blade, a worker submerges the rudder blade underwater, the hand penetrates through the semicircular holes and measures a gap between a shaft sleeve and a bush by using a feeler gauge, and in order to reduce the influence of water resistance on a rudder system of a ship plate, the radius of the semicircular holes needs to be controlled within a small range (generally 100 mm). However, the semi-circular holes with smaller radius cause great inconvenience for underwater personnel measurement, and are not beneficial to underwater inspection work of ship board rudder systems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provided are a ship rudder system underwater inspection structure and a ship rudder system, which are convenient for ship rudder system underwater inspection work.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a boats and ships rudder system is inspection structure under water, includes inspection hole and apron, the inspection hole is seted up on the rudder blade, the aperture in inspection hole is 250mm ~ 350mm, the inboard in inspection hole is provided with annular fixed plate, the one end of fixed plate with the pore wall fixed connection in inspection hole, the other end orientation of fixed plate the center in inspection hole is extended, the apron with the fixed plate passes through fastening component and can dismantle the connection, and cover with the selectivity the inspection hole, the border of apron with first gap has between the pore wall in inspection hole, it has sealed glue to fill in the first gap.

As an optimal technical scheme of the ship rudder system underwater inspection structure, the fastening assembly comprises a fastening screw and a fastening nut, the cover plate is provided with a first through hole in a penetrating manner, the fixing plate corresponds to the first through hole and is provided with a second through hole in a penetrating manner, the fastening nut is fixedly arranged on one side face of the fixing plate deviating from the cover plate, and the fastening screw is screwed in the fastening nut after sequentially passing through the first through hole and the second through hole.

As a preferable technical scheme of the ship rudder system underwater inspection structure, the cover plate is provided with a plurality of first through holes, the plurality of first through holes are distributed around the center of the cover plate at intervals, and each first through hole corresponds to one second through hole.

As a preferable technical scheme of the ship rudder system underwater inspection structure, a rubber ring is arranged between a nut of the fastening screw and the cover plate.

As an optimal technical scheme of the ship rudder system underwater inspection structure, the fixing plate is arranged in a surrounding mode to form an avoiding hole, the avoiding hole and the inspection hole are coaxial, and the aperture of the avoiding hole is 200-300 mm.

As a preferable technical solution of the ship rudder system underwater inspection structure, the fixing plate has a first side surface and a second side surface opposite to the first side surface, the fastening nut is fixedly disposed on the first side surface, the second side surface is welded to an inner surface of the rudder blade, an accommodating groove for accommodating the cover plate is formed between the second side surface and an outer surface of the rudder blade, and a depth of the accommodating groove is equal to a thickness of the cover plate.

As a preferable technical scheme of the ship rudder system underwater inspection structure, the cover plate is hinged with the inner surface of the rudder blade through a hinge assembly.

As a preferable technical scheme of the ship rudder system underwater inspection structure, the hinge assembly includes a first connector, a second connector and a hinge shaft, the first connector is convexly disposed on an inner surface of the rudder blade, the first connector and the fixed plate are connected to one end of the rudder blade and are distributed at intervals, the second connector is composed of a first plate section, a second plate section and a third plate section, the first plate section and the second plate section are both perpendicular to the cover plate, the third plate section is parallel to the cover plate, the third plate section is located between the first plate section and the second plate section, one end of the first plate section, which is far away from the third plate section, is hinged to the first connector through the hinge shaft, the second connector can rotate around an axis of the hinge shaft, one end of the second plate section, which is far away from the third plate section, is fixedly connected to one side surface of the cover plate, which is close to the fixed plate, the fixing plate is located between the first plate section and the second plate section.

As a preferable technical solution of the ship rudder system underwater inspection structure, second gaps are provided between the second plate section and the fixing plate and between the third plate section and the fixing plate.

On the other hand, still provide a boats and ships rudder system, including the rudder blade, have above-mentioned boats and ships rudder system underwater inspection structure on the rudder blade.

The utility model has the advantages that: the aperture that will inspect the hole sets up great, and the inside that inspection personnel can enter into the rudder blade from the inspection hole utilizes measuring tool to measure the clearance size between bush and the axle sleeve to judge whether the bush takes place the skew and judge the wearing and tearing volume of bush and axle sleeve, inspection personnel enter into the inside degree of difficulty that can reduce the measurement clearance of rudder blade, be favorable to going on of inspection work under water, and inspection personnel can be at this clearance size of a plurality of position measurement, make the testing result more accurate. The underwater inspection structure has the characteristics of facilitating underwater inspection work of the ship rudder system and having little influence on the ship rudder system.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is an overall schematic view of a rudder blade according to an embodiment.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is an enlarged view at B in fig. 2.

Fig. 4 is a partial sectional view of an underwater inspection structure of a rudder system of a ship according to an embodiment.

Fig. 5 is a partial sectional view of an underwater inspection structure of a rudder system of a ship according to another embodiment.

Fig. 6 is a partial sectional view of an underwater inspection structure of a rudder system of a ship according to still another embodiment.

In the figure:

1. a rudder blade; 2. a cover plate; 3. a bushing; 4. a shaft sleeve; 5. a fixing plate; 6. a fastening assembly; 601. fastening a screw rod; 602. fastening a nut; 7. sealing glue; 8. a rubber ring; 9. a hinge assembly; 901. a first connecting member; 902. a second connecting member; 903. hinging a shaft; 10. a second slit; 11. avoiding the hole.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 6, the utility model provides a boats and ships rudder system is inspection structure under water, including inspection hole and apron 2, the inspection hole is seted up on rudder blade 1, and the aperture in inspection hole is 250mm ~ 350mm, and inspection downthehole side is provided with annular fixed plate 5, the one end of fixed plate 5 and the pore wall fixed connection in inspection hole, and the other end of fixed plate 5 extends towards the center in inspection hole, and apron 2 can be dismantled with fixed plate 5 through fastening component 6 and be connected to the selectivity covers the inspection hole, has first gap between the border of apron 2 and the pore wall in inspection hole, and it has sealed glue 7 to fill in the first gap. Wherein, boats and ships rudder system includes rudder blade 1, the rudderstock is worn to be equipped with in rudder blade 1's inside, the below of rudderstock is provided with axle sleeve 4 and bush 3, 3 covers of bush are established outside the rudderstock, axle sleeve 4 sets up outside bush 3, make bush 3 be located between rudderstock and the axle sleeve 4, even clearance has between bush 3 and the axle sleeve 4, at the in-process that boats and ships rudder system used, it can make this clearance size change to produce mechanical friction between bush 3 and the axle sleeve 4, there is the possibility that takes place the skew between bush 3 and the axle sleeve 4, therefore boats and ships rudder system need examine this clearance size under water after using a period, in order to guarantee the normal use of boats and ships rudder system. In this embodiment, set up the inspection hole on rudder blade 1's planking, the inspection hole is close to bush 3 or axle sleeve 4 setting, and the inside intercommunication of inspection hole and rudder blade 1, because the aperture of inspection hole is 250mm ~ 350mm, the aperture setting of inspection hole is great, the inside that inspection personnel can enter into rudder blade 1 from the inspection hole utilizes measuring tool to measure the clearance size between bush 3 and the axle sleeve 4, thereby judge whether the bush 3 takes place the skew and judge the wearing and tearing volume of bush 3 and axle sleeve 4, inspection personnel enters into rudder blade 1 inside can reduce the degree of difficulty in measuring the clearance, be favorable to going on of inspection work under water, and inspection personnel can measure this clearance size at a plurality of position, make the testing result more accurate. In addition, because the aperture of the inspection hole is large, in the process of manufacturing the rudder blade 1, a worker can enter the rudder blade 1 to perform welding work, the manufacturing and construction of the rudder blade 1 are facilitated, and the structural strength of the rudder blade 1 is favorably ensured. Establish on the inspection hole through 2 lids of apron, apron 2 provides the protection for rudder blade 1's inside, set up first gap between the border of apron 2 and the pore wall in inspection hole, this first gap provides the space for the equipment of apron 2 with fixed plate 5, the in-process that is connected apron 2 and fixed plate 5 prevents apron 2 collision or scrapes the pore wall in flower inspection hole, fastening components 6 is with

apron

2 and 5 locking of fixed plate, reuse sealed glue 7 and fill first gap, make 1 appearance rounding off of rudder blade, reduce the resistance of water, influence to boats and ships rudder system is less. When needs carry out the underwater inspection to boats and ships rudder system, break sealed glue 7 between the pore wall in apron 2 and inspection hole earlier, dismantle fastening components 6 from fixed plate 5 and apron 2 again, open apron 2 to make the maintainer enter into the inside of rudder blade 1 through the inspection hole, treat that boats and ships rudder system inspection finishes and establish apron 2 lid in the inspection hole after, refill sealed glue 7 between the pore wall in apron 2 and inspection hole. The underwater inspection structure has the characteristics of facilitating underwater inspection work of the ship rudder system and having little influence on the ship rudder system.

In one embodiment, the fastening assembly 6 includes a fastening screw 601 and a fastening nut 602, a first through hole is formed through the cover plate 2, a second through hole is formed through the fixing plate 5 corresponding to the first through hole, the fastening nut 602 is fixedly disposed on a side of the fixing plate 5 away from the cover plate 2, and the fastening screw 601 sequentially passes through the first through hole and the second through hole and then is screwed into the fastening nut 602. Specifically, the fastening nut 602 has a threaded hole screwed with the fastening screw 601, and the axis of the first through hole, the axis of the second through hole and the axis of the threaded hole are all coincident. With the structure, the fastening screw 601 penetrates through the fixing plate 5 and then is screwed with the fastening nut 602, so that the cover plate 2 and the fixing plate 5 can be reliably connected even if the thickness of the fixing plate 5 is small, and the requirement on the thickness of the fixing plate 5 is low. Specifically, the fastening nut 602 is welded to the fixed plate 5.

Specifically, each first through hole corresponds to one second through hole, and by the design, the cover plate 2 and the fixing plate 5 can be locked at multiple positions by the fastening assemblies 6, and the connection reliability of the cover plate 2 and the fixing plate 5 is high.

In order to facilitate fast alignment of the first through hole on the cover plate 2 and the second through hole on the fixing plate 5, a positioning protrusion (not shown in the figure) is convexly arranged on one of the cover plate 2 and the fixing plate 5, a positioning groove (not shown in the figure) is concavely arranged on the other one of the cover plate 2 and the fixing plate 5, and the positioning protrusion is in insertion fit with the positioning groove. The inserting protrusions are inserted into the positioning grooves, and each first through hole and each second through hole can be aligned one to one, so that the cover plate 2 and the fixing plate 5 are quickly connected.

In another embodiment, the fastening assembly 6 includes a fastening screw, the cover plate 2 is provided with a third through hole, the fixing plate 5 is provided with a threaded hole corresponding to the third through hole, and the fastening screw is screwed in the threaded hole after passing through the third through hole, so as to lock the cover plate 2 and the fixing plate 5.

A rubber ring 8 is arranged between the nut of the fastening screw 601 and the cover plate 2, and specifically, the rubber ring 8 is sleeved on the fastening screw 601. The rubber ring 8 is favorable for compressing the cover plate 2 and the fixing plate 5 to tightly connect the cover plate 2 and the fixing plate 5; on the other hand, the lock nut is blocked from the cover plate 2 by the rubber ring 8, and the fastening screw 601 is prevented from wearing the surface of the cover plate 2 when the fastening screw 601 is screwed.

In order to ensure that the inspector can enter the rudder blade 1, in the embodiment, the fixing plate 5 is enclosed to form the avoiding hole 11, the avoiding hole 11 and the inspection hole are coaxial, and the aperture of the avoiding hole 11 is 200 mm-300 mm.

Specifically, the fixing plate 5 is welded to the inner surface of the rudder blade 1, the fixing plate 5 has a first side surface and a second side surface opposite to the first side surface, the first side surface is fixedly provided with the fastening nut 602, the second side surface is tightly attached to the inner surface of the rudder blade 1, an accommodating groove for accommodating the cover plate 2 is formed between the second side surface and the outer wall of the rudder blade 1, and the depth of the accommodating groove is equal to the thickness of the cover plate 2. The depth of setting up the holding tank equals the thickness of apron 2, locks apron 2 with fixed plate 5 back, makes apron 2's surface and rudder blade 1's surface parallel and level to make rudder blade 1's surface smooth transition.

As a preferred technical scheme, apron 2 passes through articulated subassembly 9 and articulates with the internal surface of rudder blade 1, utilizes articulated subassembly 9 to pull apron 2 on rudder blade 1 after opening apron 2, prevents that apron 2 from droing from rudder blade 1 completely, avoids apron 2 to drop and injures the inspection personnel and prevents that apron 2 from losing in the aquatic.

Specifically, the hinge assembly 9 includes a first connector 901, a second connector 902, and a hinge shaft 903. First connecting piece 901 protrusion sets up the internal surface at rudder blade 1, and first connecting piece 901 and the one end interval distribution that fixed plate 5 is connected rudder blade 1, second connecting piece 902 comprises first plate section, second plate section and third plate section, first plate section and second plate section all are perpendicular with apron 2, the third plate section is parallel with apron 2, and the third plate section is located between first plate section and the second plate section, the one end that the third plate section was kept away from to first plate section is articulated through articulated shaft 903 and first connecting piece 901, second connecting piece 902 can rotate around the axis of articulated shaft 903, the one end that the third plate section was kept away from to the second plate section is close to a side fixed connection of fixed plate 5 with apron 2, fixed plate 5 is located between first plate section and the second plate section. The cover plate 2 rotates around the axis of the hinge shaft 903, so that the cover plate 2 is opened or closed, the force for opening and closing the cover plate 2 is small, and the operation is convenient.

Further, second gaps 10 are formed between the second plate segment and the fixing plate 5 and between the third plate segment and the fixing plate 5, and the fixing plate 5 is not in direct contact with the hinge assembly 9, so that the second connecting member 902 is prevented from being worn by the fixing plate 5.

In this embodiment, a ship rudder system is further provided, which includes a rudder blade 1, where the rudder blade 1 has the structure for underwater inspection of a ship rudder system in any one of the above embodiments, and the ship rudder system is convenient for underwater inspection.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a boats and ships rudder system is inspection structure under water, a serial communication port, including inspection hole and apron, the inspection hole is seted up on the rudder blade, the aperture in inspection hole is 250mm ~ 350mm, the inboard in inspection hole is provided with annular fixed plate, the one end of fixed plate with the pore wall fixed connection in inspection hole, the other end orientation of fixed plate the center in inspection hole is extended, the apron with the connection can be dismantled through fastening component to the fixed plate, cover with the selectivity inspection hole, the border of apron with first gap has between the pore wall in inspection hole, it has sealed glue to fill in the first gap.

2. The underwater inspection structure for the rudder system of the ship according to claim 1, wherein the fastening assembly includes a fastening screw and a fastening nut, the cover plate is provided with a first through hole in a penetrating manner, the fixing plate is provided with a second through hole in a penetrating manner corresponding to the first through hole, the fastening nut is fixedly arranged on a side surface of the fixing plate departing from the cover plate, and the fastening screw is screwed in the fastening nut after sequentially passing through the first through hole and the second through hole.

3. The marine rudder system underwater inspection structure according to claim 2, wherein the cover plate has a plurality of first through holes, the plurality of first through holes are arranged around a center of the cover plate at intervals, and one second through hole is corresponding to each first through hole.

4. The marine rudder system underwater inspection structure according to claim 2, wherein a rubber ring is provided between a nut of the fastening screw and the cover plate.

5. The underwater inspection structure for the rudder system of the ship according to claim 1, wherein the fixing plate is surrounded to form an avoiding hole, the avoiding hole and the inspection hole are coaxial, and the aperture of the avoiding hole is 200 mm-300 mm.

6. The marine rudder system underwater inspection structure according to claim 2, wherein the fixing plate is welded to an inner surface of the rudder blade, the fixing plate has a first side surface and a second side surface opposite to the first side surface, the first side surface is fixedly provided with the fastening nut, the second side surface is closely attached to the inner surface of the rudder blade, a receiving groove for receiving the cover plate is formed between the second side surface and an outer surface of the rudder blade, and a depth of the receiving groove is equal to a thickness of the cover plate.

7. The marine rudder system underwater inspection structure according to claim 1, wherein the cover plate is hinged to an inner surface of the rudder blade by a hinge assembly.

8. The underwater inspection structure of the rudder system of a ship according to claim 7, wherein the hinge assembly includes a first connector, a second connector and a hinge shaft, the first connector is convexly disposed on an inner surface of the rudder blade, the first connector and the fixed plate are connected to one end of the rudder blade at intervals, the second connector is composed of a first plate section, a second plate section and a third plate section, the first plate section and the second plate section are both perpendicular to the cover plate, the third plate section is parallel to the cover plate, the third plate section is located between the first plate section and the second plate section, one end of the first plate section, which is far from the third plate section, is hinged to the first connector through the hinge shaft, the second connector is rotatable around an axis of the hinge shaft, and one end of the second plate section, which is far from the third plate section, is fixedly connected to one side surface of the cover plate, which is close to the fixed plate, the fixing plate is located between the first plate section and the second plate section.

9. The marine rudder system underwater inspection structure according to claim 8, wherein second slits are provided between the second plate section and the fixing plate and between the third plate section and the fixing plate.

10. A rudder system for a ship, comprising a rudder blade having thereon a rudder system underwater inspecting structure for a ship according to any one of claims 1 to 9.