CN218986929U

CN218986929U - Rudder pushing structure for high-performance ship

Info

Publication number: CN218986929U
Application number: CN202223318728.8U
Authority: CN
Inventors: 臧爱民; 吴鹏; 王坤; 徐文清; 王荣明
Original assignee: Yangzhou Hairun Shipbuilding Co ltd
Current assignee: Yangzhou Hairun Shipbuilding Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-09
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a high-performance rudder pushing structure for a ship, which comprises a hydraulic driving rod and a rotating rod; the tail parts of the hydraulic driving rods are hinged to the seat bodies, and the seat bodies are arranged on the ship body platform; the rotating rod is vertically arranged in the pipeline, and a base and a fixing seat are arranged above the ship body platform and around the rotating rod; the middle part of the base is communicated with the pipeline; the fixing seat comprises a horizontal fixing ring and a vertical guide cylinder, an upper fixing groove and a lower fixing groove are formed in the inner wall of the vertical guide cylinder, an upper rubber sealing ring is arranged in the upper fixing groove, and a lower sealing ring is arranged in the lower fixing groove; the lower part of the pipeline is provided with a guide sleeve, and a wear-resistant lining is arranged in the guide sleeve. The utility model adopts the sealing proposal with multiple different structures, effectively strengthens the integral sealing, avoids the phenomena of water inlet or ash inlet and the like in the interior, and is beneficial to the later maintenance and replacement by adopting the detachable wear-resistant lining.

Description

Rudder pushing structure for high-performance ship

Technical Field

The utility model relates to the field of marine machinery, in particular to a high-performance rudder pushing structure for a ship.

Background

The steering structure can make the propeller rotate around the vertical rotating rod in the direction by operating the steering mechanism, and integrates the functions of propulsion and steering. Since the rudder propeller lower assembly and the blades all work in sea water, the performance of its internal seal assembly is critical.

At present, the conventional sealing scheme is that a plurality of groups of O-shaped sealing ring structures are arranged, the overall sealing mode is single, the sealing mode without multiple different structures is easy to cause the conditions of internal water inlet, ash inlet and the like, and the work of internal devices is influenced; meanwhile, abrasion phenomenon is easy to occur after long-term use between the rotating rod and the pipeline, the pipeline is protected poorly, the pipeline opening is required to be repaired in the later period, the maintenance time and operation steps are increased, and the maintenance efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a high-performance rudder pushing structure for a ship, which is high in sealing performance and not easy to abrade.

The purpose of the utility model is realized in the following way: a high-performance rudder pushing structure for a ship comprises a hydraulic driving rod and a rotating rod; the hydraulic driving rods are two groups and are hinged with the fixed plates on the rotating rods, the tail parts of the hydraulic driving rods are hinged to the seat body, and the seat body is arranged on the ship body platform; the rotating rod is vertically arranged in the pipeline, and a base and a fixing seat are arranged above the ship body platform and around the rotating rod; the middle part of the base is communicated with the pipeline; the fixing seat comprises a horizontal fixing ring and a vertical guide cylinder, an upper fixing groove and a lower fixing groove are formed in the inner wall of the vertical guide cylinder, an upper rubber sealing ring is arranged in the upper fixing groove, and a lower sealing ring is arranged in the lower fixing groove; the lower part of the pipeline is provided with a guide sleeve, and a wear-resistant lining is arranged in the guide sleeve.

Preferably, the fixed plate is double-layered and is fixed at the top of the rotating rod, the head of the hydraulic driving rod is provided with a fixed hole, and the fixed plate is provided with a fixed rod inserted into the fixed hole.

Preferably, the upper rubber sealing ring is formed by a double-layer annular rubber main body, the annular rubber main bodies are connected through rubber members, and the inner diameter of the double-layer annular rubber is smaller than that of the vertical guide cylinder.

Preferably, the lower sealing ring is composed of a rubber main body and finger-shaped rubber, wherein a corner is arranged at one side of the finger-shaped rubber end close to the rubber main body, and an O-shaped ring is arranged in the corner.

Preferably, a gland is arranged above the fixed seat, the inner wall of the gland is conical, conical packing is arranged between the gland and the rotating rod and around the upper side of the upper rubber sealing ring, and the conical packing is compressed through the gland.

Preferably, the base is welded with the hull platform, and the base is fixed with the fixing seat by bolts.

Preferably, the lower part of the inner wall of the guide sleeve is internally embedded with a wear-resistant bushing, the wear-resistant bushing is integrally connected with the bottom plate, the bottom plate is fixed on the guide sleeve through screws, and a through hole is formed in the middle of the bottom plate.

Preferably, a wear-resistant layer is arranged on the rotating rod in the guide sleeve.

Compared with the prior art, the utility model has the following advantages:

1. in order to strengthen the tightness between the rotating rod and the pipeline, a base and a fixing seat are arranged above the pipeline, and the tightness between the rotating rod and the fixing seat is enhanced; meanwhile, two groups of rubber sealing rings are arranged on the guide cylinder on the fixed seat, so that the tightness between the rotating rod and the fixed seat is doubly enhanced; the gland and the packing further prevent external dust or rainwater from entering, prevent internal parts from aging, and reduce the service life.

2. In order to avoid wearing and tearing between dwang and the uide bushing, inlay at the inner wall of uide bushing and have detachable wear-resisting bush, after wear-resisting bush wearing and tearing, can change through dismantling wear-resisting bush, whole dismantlement step is comparatively simple quick, can effectively avoid the wearing and tearing of uide bushing, improves work efficiency, increase life.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is an enlarged view of the structure at a in fig. 1.

Fig. 4 is an enlarged view of the structure at B in fig. 2.

The hydraulic driving device comprises a hydraulic driving rod 1, a rotating rod 2, a wear-resistant layer 21, a fixing plate 3, a pipeline 4, a base 5, a fixing seat 6, a horizontal fixing ring 61, a vertical guide cylinder 62, an upper fixing groove 63, a lower fixing groove 64, an upper rubber sealing ring 7, a lower sealing ring 8, a rubber main body 81, a finger-type rubber 82, a guide sleeve 9, a wear-resistant bushing 10, an O-shaped ring 11, a gland 12, a conical packing 13 and a bottom plate 14.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a high-performance rudder pushing structure for a ship comprises a hydraulic driving rod 1 and a rotating rod 2; the two groups of hydraulic driving rods 1 are hinged with the fixed plate 3 on the rotating rod 2, the tail parts of the hydraulic driving rods 1 are hinged on a seat body, and the seat body is arranged on a ship platform; the rotating rod 2 is vertically arranged in the pipeline 4, and a base 5 and a fixed seat 6 are arranged above the ship body platform and around the rotating rod 2; the middle part of the base 5 is communicated with the pipeline 4; the fixed seat 6 comprises a horizontal fixed ring 61 and a vertical guide cylinder 62, an upper fixed groove 63 and a lower fixed groove 64 are formed in the inner wall of the vertical guide cylinder 62, an upper rubber sealing ring 7 is arranged in the upper fixed groove 63, and a lower sealing ring 8 is arranged in the lower fixed groove 64; the lower part of the pipeline 4 is provided with a guide sleeve 9, and a wear-resistant lining 10 is arranged in the guide sleeve 9.

As shown in fig. 1-2, the fixing plate 3 is double-layered and fixed on the top of the rotating rod 2, the head of the hydraulic driving rod 1 is provided with a fixing hole, and the fixing plate 3 is provided with a fixing rod inserted into the fixing hole so that a hinged mode is formed between the rotating rod and the fixing plate, and the telescopic type hydraulic driving rod can drive the fixing plate to rotate so as to drive the rotating rod to rotate.

As shown in fig. 1 and 3, the upper rubber seal ring 7 is formed by two layers of annular rubber bodies, the annular rubber bodies are connected through rubber members, the inner diameter of the two layers of annular rubber is smaller than that of the vertical guide cylinder, the two layers of annular rubber bodies have certain elasticity, and the tightness between the upper rubber seal ring and the rotating rod is enhanced by the elasticity.

As shown in fig. 1 and 3, the lower seal ring 8 is composed of a rubber main body 81 and a finger-shaped rubber 82, wherein a corner 83 is arranged at the tail end of the finger-shaped rubber 82 near one side of the rubber main body, an O-shaped ring 11 is arranged in the corner 83, the O-shaped ring is matched with the finger-shaped rubber, and the tightness of the finger-shaped rubber elasticity and the contraction of the O-shaped ring are enhanced.

As shown in fig. 1 and 3, a gland 12 is arranged above the fixed seat 6, the inner wall of the gland 12 is conical, a conical packing 13 is arranged between the gland 12 and the rotating rod 2 and around the upper side of the upper rubber sealing ring 7, the conical packing is tightly pressed by the gland, the conical packing is beneficial to the compaction, and external rainwater infiltration is further avoided.

As shown in fig. 1, the base 5 is welded to the hull platform, the base 5 is fixed to the fixing base 6, and the fixing base 6 is fixed to the gland 12 by bolts.

As shown in fig. 1 and 4, the lower part of the inner wall of the guide sleeve 9 is embedded with a wear-resistant bushing 10 in a surrounding manner, the wear-resistant bushing 10 is integrally connected with a bottom plate 14, the bottom plate 14 is fixed on the guide sleeve 9 through screws, a through hole is formed in the middle of the bottom plate, a rotating rod can rotate in the through hole, and the wear-resistant bushing is fixed through the bottom plate, so that the disassembly is also facilitated.

As shown in fig. 1 and 4, the wear-resistant layer 21 is arranged on the rotating rod 2 in the guide sleeve 9, so that the rotating rod is prevented from being worn too quickly.

The working principle of the utility model is explained as follows: the hydraulic driving rod drives the rotating rod to rotate, the rotating rod is reinforced and sealed with the fixing seat through the upper rubber sealing ring and the lower sealing ring, and meanwhile, the packing is pressed through the gland to seal again, the overall tightness is enhanced, and the wear-resistant layer and the wear-resistant lining are arranged at the bottom of the rotating rod, so that later maintenance is facilitated.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. A high-performance rudder pushing structure for a ship comprises a hydraulic driving rod and a rotating rod; the hydraulic driving device is characterized in that two groups of hydraulic driving rods are hinged with a fixed plate on a rotating rod, the tail parts of the hydraulic driving rods are hinged to a seat body, and the seat body is arranged on a ship body platform; the rotating rod is vertically arranged in the pipeline, and a base and a fixing seat are arranged above the ship body platform and around the rotating rod; the middle part of the base is communicated with the pipeline; the fixing seat comprises a horizontal fixing ring and a vertical guide cylinder, an upper fixing groove and a lower fixing groove are formed in the inner wall of the vertical guide cylinder, an upper rubber sealing ring is arranged in the upper fixing groove, and a lower sealing ring is arranged in the lower fixing groove; the lower part of the pipeline is provided with a guide sleeve, and a wear-resistant lining is arranged in the guide sleeve.

2. The rudder pushing structure for the high-performance ship according to claim 1, wherein the fixing plate is double-layered and fixed on the top of the rotating rod, the head of the hydraulic driving rod is provided with a fixing hole, and the fixing plate is provided with a fixing rod inserted into the fixing hole.

3. The high-performance rudder pushing structure for the ship according to claim 1, wherein the upper rubber sealing ring is composed of double-layer annular rubber main bodies, the annular rubber main bodies are connected through rubber members, and the inner diameter of the double-layer annular rubber is smaller than that of the vertical guide cylinder.

4. The rudder pushing structure for the high-performance ship according to claim 1, wherein the lower sealing ring is composed of a rubber main body and finger-shaped rubber, a corner is arranged at one side of the finger-shaped rubber end close to the rubber main body, and an O-shaped ring is arranged in the corner.

5. The rudder pushing structure for the high-performance ship according to claim 1, wherein a gland is arranged above the fixed seat, the inner wall of the gland is conical, conical packing is circumferentially arranged between the gland and the rotating rod and on the upper side of the upper rubber sealing ring, and the conical packing is compressed by the gland.

6. The rudder pushing structure for the high-performance ship according to claim 1, wherein the base and the ship body platform are welded, and bolts are fixed between the base and the fixing seat, and between the fixing seat and the gland.

7. The high-performance rudder pushing structure for the ship according to claim 1, wherein a wear-resistant lining is embedded in the lower portion of the inner wall of the guide sleeve, the wear-resistant lining is integrally connected with a bottom plate, the bottom plate is fixed on the guide sleeve through screws, and a through hole is formed in the middle of the bottom plate.

8. The rudder pushing structure for the high-performance ship according to claim 1, wherein a wear-resistant layer is arranged on a rotating rod in the guide sleeve.