CN218967166U

CN218967166U - Rudder shaft forging for ship

Info

Publication number: CN218967166U
Application number: CN202223183511.0U
Authority: CN
Inventors: 张琦
Original assignee: Ma'anshan Yadi Intelligent Equipment Co ltd
Current assignee: Ma'anshan Yadi Intelligent Equipment Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-05
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a rudder shaft forging for a ship, which relates to the technical field of ship accessories and comprises a protection assembly, wherein the protection assembly comprises a shell, sliding grooves are formed in two sides of the shell, a rudder shaft extending out of the upper end and the lower end of the shell is arranged in the shell, a cutting assembly is arranged in the outer wall of the rudder shaft, and sealing plates are arranged on the outer walls of the upper end and the lower end of the shell, which are positioned on the rudder shaft. According to the utility model, the rudder shaft is sealed and protected through the shell and the sealing plate, the rudder shaft is prevented from contacting with seawater during sailing, the oxidation corrosion condition of the rudder shaft is slowed down, the purpose of prolonging the service life of the rudder shaft is achieved, meanwhile, the preserved egg is controlled to drive the lifting plate to lift up and down in a reciprocating manner, the blades are used for cutting articles such as pasture and water, fishing nets and the like wound on the outer wall of the shell, the cut articles such as the pasture and water, the fishing nets and the like are separated from the cut articles along with sailing of a ship, the rotation characteristic of the rudder shaft is ensured, and the stable sailing of the ship is facilitated.

Description

Rudder shaft forging for ship

Technical Field

The utility model relates to the technical field of ship accessories, in particular to a rudder shaft forging piece for a ship.

Background

The rudder shaft is a transmission device for replacing a rudder post, sleeving a rudder blade on a rotating fixed shaft, connecting the rudder blade with a steering engine driving mechanism and transmitting steering torque, and the working principle of the rudder shaft is as follows: when the rudder of the ship body rotates, the rudder shaft rotates after a series of hydraulic transmission or mechanical transmission to drive the rudder blade to deflect in the direction, the rudder blade is originally parallel to the water flow direction, and an angle is formed between the rudder blade and the direction of the water flow after deflection, so that the water acting force borne by the two sides of the rudder blade is different, and finally, the sailing direction of the ship is changed.

The rudder shaft device for the ship is disclosed by the retrieved Chinese patent network grant publication No. CN209112421U, and the rudder shaft is protected through the outer sleeve of the rudder shaft, so that the corrosion and abrasion of the rudder shaft or the bearing device caused by external water or sediment are avoided, and the service life of the rudder shaft device is prolonged.

Although the rudder shaft has the protection effect, the integral structure of the rudder shaft is enlarged, and the rudder can be wound by aquatic plants, fishing nets and other articles during sailing, so that the transmission performance of the rudder shaft and the rudder blade is influenced, and the steering capability and the stable sailing capability of the ship are reduced.

Disclosure of Invention

Based on the above, the utility model aims to provide a rudder shaft forging piece for a ship, so as to solve the technical problems in the background.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the marine rudder shaft forging comprises a protection assembly, wherein the protection assembly comprises a shell, sliding grooves are formed in two sides of the shell, a rudder shaft extending out of the upper end and the lower end of the shell is arranged in the shell, a cutting assembly is arranged in the shell on the outer wall of the rudder shaft, and sealing plates are arranged on the outer walls of the rudder shaft on the upper end and the lower end of the shell;

the cutting assembly comprises a motor fixed on one side of the top end of a lower sealing plate, a lifting plate is sleeved on the outer wall of the rudder shaft, a reciprocating screw rod is arranged at the output end of the motor, the top end of the reciprocating screw rod penetrates through the lifting plate and is rotationally connected with the bottom end of an upper sealing plate, two groups of tool holders extending to the inside of a sliding groove are arranged at the two ends of the lifting plate, blades extending to the outer side of a shell are arranged at the ends of the tool holders, a pair of winding frames are fixedly connected to the upper end and the lower end of the sealing plate, a spring disc is arranged in the winding frames, a sealing belt extending out of the winding frames is wound on the outer wall of the spring disc, and the tail end of the sealing belt extends to the inner side of the shell and is fixed with the upper end and the lower end of the tool holders.

Preferably, two groups of sealing plates are positioned on one side of the rudder shaft, which is far away from the reciprocating screw rod, and auxiliary rods penetrate through the lifting plate, and two ends of the auxiliary rods are fixedly connected with the sealing plates.

Preferably, the through hole is formed in the contact position of the reciprocating screw rod and the auxiliary rod, and the matched thread is formed in the contact position of the through hole and the reciprocating screw rod.

Preferably, a hole is formed in the contact position of the sealing plate and the rudder shaft, a bearing fixed with the outer wall of the rudder shaft is arranged on the inner wall of the hole, and a telescopic pipe is arranged on the outer wall of the rudder shaft at the end part of the sealing plate.

Preferably, an L-shaped groove is formed in the contact position of the shell and the sealing belt, a reversing rod is rotatably connected to the corner of the inner wall of the L-shaped groove and the sealing belt, and limit grooves are formed in the contact positions of the inner wall of the sliding groove and the two sides of the sealing belt.

Preferably, the appearance of the shell is in a shuttle shape, and sealing strips are arranged at the contact positions of the upper end part and the lower end part of the shell and the sealing plate.

In summary, the utility model has the following advantages:

according to the utility model, the rudder shaft is sealed and protected through the shell and the sealing plate, the rudder shaft is prevented from contacting with seawater during sailing, the oxidation corrosion condition of the rudder shaft is slowed down, the purpose of prolonging the service life of the rudder shaft is achieved, meanwhile, the preserved egg is controlled to drive the lifting plate to lift up and down in a reciprocating manner, the blades are used for cutting articles such as pasture and water, fishing nets and the like wound on the outer wall of the shell, the cut articles such as the pasture and water, the fishing nets and the like are separated from the cut articles along with sailing of a ship, the rotation characteristic of the rudder shaft is ensured, and the stable sailing of the ship is facilitated.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a block diagram of the cutting assembly and rudder shaft of the present utility model;

FIG. 3 is a block diagram of a cutting assembly of the present utility model;

FIG. 4 is a diagram of the internal structure of the winding frame of the present utility model;

FIG. 5 is a front cut-away view of the housing of the present utility model;

fig. 6 is an enlarged view of a portion of fig. 5 a in accordance with the present utility model.

In the figure: 100. a protection component; 200. a cutting assembly;

110. a housing; 111. an L-groove; 112. a chute; 113. a limit groove; 120. a sealing plate; 130. a rudder shaft;

210. a motor; 220. a reciprocating screw rod; 230. a lifting plate; 240. an auxiliary lever; 250. a tool apron; 251. a blade; 260. a sealing tape; 270. a winding frame; 271. a spring plate; 280. a reversing lever.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-6, including the protection component 100, the protection component 100 includes the outer casing 110, both sides of the outer casing 110 are equipped with the runner 112, the outer casing 110 installs the rudder shaft 130 extending out of the upper and lower ends of the outer casing 110, the outer wall of the rudder shaft 130 locates in the inner of the outer casing 110 and installs the cutting component 200, the upper and lower ends of the outer casing 110 locates in the outer wall of the rudder shaft 130 and all has the seal plate 120, the seal plate 120 has holes with the rudder shaft 130 contact position, and the inner wall of the hole has bearings fixed with the rudder shaft 130 outer wall, the end of the seal plate 120 locates in the outer wall of the rudder shaft 130 and has telescopic tubes;

the cutting assembly 200 comprises a motor 210 fixed on one side of the top end of the lower sealing plate 120, a lifting plate 230 is sleeved on the outer wall of the rudder shaft 130, a reciprocating screw rod 220 is arranged at the output end of the motor 210, the top end of the reciprocating screw rod 220 penetrates through the lifting plate 230 and is rotationally connected with the bottom end of the upper sealing plate 120, two groups of tool holders 250 extending to the inside of the sliding groove 112 are arranged at the two ends of the lifting plate 230, blades 251 extending to the outside of the shell 110 are arranged at the ends of the tool holders 250, a pair of winding frames 270 are fixedly connected to the upper end and the lower end of the two groups of sealing plates 120, a spring disc 271 is arranged in the winding frames 270, a sealing belt 260 extending out of the winding frames 270 is wound on the outer wall of the spring disc 271, and the tail end of the sealing belt 260 extends to the inside of the shell 110 and is fixed with the upper end and the lower end of the tool holders 250.

The casing 110 and the sealing plate 120 seal the rudder shaft 130, and the telescopic tube seals the contact position of the two ends of the rudder shaft 130 with the ship and the rudder blade, so as to prevent the situation that water is corroded by contact with the rudder shaft, thereby prolonging the service life of the rudder shaft 130, when articles such as pasture and water, fishing net and the like wound on the outer wall of the casing 110, the motor 210 is controlled to operate so as to drive the reciprocating screw 220 to rotate, the lifting plate 230 continuously lifts the outer wall of the rudder shaft 130 in the casing 110, the blades 251 at the two ends of the lifting plate cut the articles such as pasture and water, fishing net lamp articles, the articles cut off along with the navigation of the ship are separated from the rudder shaft 130, and the blades 251 drive the sealing belts 260 at the upper end and the lower end of the blade holder 250 to move along with the blades 250 lifted reciprocally along with the lifting plate 230, the sealing belts 260 are driven to rotate and compress and generate pressure when the sealing belts 260 extend out of the winding frame 270, and when the sealing belts 260 are in a loose state, the spring disc 271 releases the pressure to wind the sealing belts 260 into the winding frame 270, so that the blades 250 and the sliding grooves 112 are sealed, and moisture is prevented from entering.

Referring to fig. 2 and 3, an auxiliary rod 240 is fixed on one side of the rudder shaft 130 away from the reciprocating screw 220, the auxiliary rod 240 penetrates through the lifting plate 230, two ends of the auxiliary rod 240 are fixedly connected with the sealing plates 120, a through hole is formed in the contact position of the reciprocating screw 220 with the reciprocating screw 220 and the auxiliary rod 240, and matched threads are formed at the contact position of the through hole and the reciprocating screw 220.

Plays an auxiliary effect on the lifting plate 230, so that the lifting effect is stably realized, and the situation that the water plants and the fishing net lamp articles cannot be cut due to inclination is avoided.

Referring to fig. 5 and 6, an L-shaped groove 111 is formed at a contact position between the housing 110 and the sealing belt 260, a reversing lever 280 is rotatably connected to a corner between an inner wall of the L-shaped groove 111 and the sealing belt 260, and a limiting groove 113 is formed at a contact position between an inner wall of the sliding chute 112 and two sides of the sealing belt 260.

Providing space for movement of the sealing tape 260 and reducing friction therebetween, making the sealing tape 260 longer in service life, while ensuring that external water does not penetrate through the gap between the sealing tape 260 and the chute 112.

Referring to fig. 1, the outer casing 110 has a shuttle-shaped appearance, and sealing strips are disposed at the contact positions between the upper and lower ends of the outer casing 110 and the sealing plate 120.

The ship can move along with the ship to reduce resistance, avoid deformation caused by water, realize the tightness of the inside of the shell 110 and ensure that the rudder shaft 130 is not contacted with water.

When the rudder shaft 130 is used, the outer wall of the rudder shaft 130 is fixed with the outer wall of the outer shell 110 and the sealing plate 120, the rotation characteristic of the rudder shaft 130 is realized through the bearing, and the purpose of being isolated from water is realized, so that the corrosion speed of the rudder shaft 130 is slowed down, and meanwhile, the blades 251 are lifted, so that aquatic plants and fishing net wind objects on the outer wall of the outer shell 110 are cut, and the rotation of the rudder shaft 130 is prevented from being influenced.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Marine rudder shaft forging, including protection component (100), its characterized in that: the protection assembly (100) comprises a shell (110), sliding grooves (112) are formed in two sides of the shell (110), a rudder shaft (130) extending out of the upper end and the lower end of the shell (110) is arranged in the shell (110), a cutting assembly (200) is arranged in the shell (110) on the outer wall of the rudder shaft (130), and sealing plates (120) are arranged on the outer walls of the rudder shaft (130) on the upper end and the lower end of the shell (110);

cutting assembly (200) including with fixed motor (210) in lower closing plate (120) top one side, the outer wall of rudder shaft (130) has cup jointed lifter plate (230), the output of motor (210) is equipped with reciprocating screw (220), reciprocating screw (220) top runs through lifter plate (230) and rotates with last closing plate (120) bottom and be connected, the both ends of lifter plate (230) are equipped with two sets of blade holders (250) that extend to spout (112) inside, the tip of blade holder (250) is equipped with blade (251) that extend to the shell (110) outside, two sets of end portion is fixed with a pair of rolling frame (270) about closing plate (120), the inside of rolling frame (270) is equipped with spring plate (271), the outer wall winding of spring plate (271) has sealing strip (260) that extend out the rolling frame (270) outside, the end of sealing strip (260) extends to the shell (110) inside and is fixed with the upper and lower ends of blade holders (250).

2. The marine rudder shaft forging according to claim 1, wherein: two groups of sealing plates (120) are positioned on one side of the rudder shaft (130) far away from the reciprocating screw rod (220), an auxiliary rod (240) is fixed, the auxiliary rod (240) penetrates through the lifting plate (230) and two ends of the auxiliary rod are fixedly connected with the sealing plates (120).

3. The marine rudder shaft forging according to claim 1, wherein: the reciprocating screw rod (220) is provided with a through hole in contact with the reciprocating screw rod (220) and the auxiliary rod (240), and the contact position of the through hole and the reciprocating screw rod (220) is provided with a matched thread.

4. The marine rudder shaft forging according to claim 1, wherein: the sealing plate (120) is provided with a hole at the contact position with the rudder shaft (130), the inner wall of the hole is provided with a bearing fixed with the outer wall of the rudder shaft (130), and the end part of the sealing plate (120) is provided with a telescopic pipe at the outer wall of the rudder shaft (130).

5. The marine rudder shaft forging according to claim 1, wherein: l-shaped grooves (111) are formed in contact positions of the outer shell (110) and the sealing belt (260), reversing rods (280) are rotatably connected to corners of the inner walls of the L-shaped grooves (111) and the sealing belt (260), and limit grooves (113) are formed in contact positions of the inner walls of the sliding grooves (112) and two sides of the sealing belt (260).

6. The marine rudder shaft forging according to claim 1, wherein: the appearance of the shell (110) is in a shuttle shape, and sealing strips are arranged at the contact positions of the upper end part and the lower end part of the shell (110) and the sealing plate (120).