CN212290281U

CN212290281U - Fixed-pitch propeller of curved blade type inland river ship

Info

Publication number: CN212290281U
Application number: CN202020399834.5U
Authority: CN
Inventors: 彭祥龙; 傅建良; 王云飞
Original assignee: Zhejiang Yuding Ship Equipment Co ltd
Current assignee: Zhejiang Yuding Ship Equipment Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-05
Anticipated expiration: 2030-03-25

Abstract

The utility model provides a river ship fixed pitch screw in curved knife type belongs to the shipbuilding field. It includes the rotation axis, the tip of rotation axis be equipped with a plurality of screw, the rotation axis still have a hollow protection section of thick bamboo outward, the rotation axis run through a protection section of thick bamboo and a plurality of screw is located a protection section of thick bamboo, a protection section of thick bamboo in still run through and have a plurality of through-hole, a protection section of thick bamboo tip swing joint who keeps away from the screw have a plurality of fender rods, the fender rod can rotate round the central line of rotation axis. The water-grass-and-garbage-preventing propeller has the advantages that the propeller can be protected by the protection barrel from being wound with water plants and garbage, and the protection rod can rotate or swing around the central line of the rotating shaft under the action of water flow, so that the water plants and the garbage can be effectively prevented.

Description

Fixed-pitch propeller of curved blade type inland river ship

Technical Field

The utility model belongs to the shipbuilding field relates to a river ship fixed pitch screw in curved sword type.

Background

The existing marine propeller basically adopts a fixed-pitch propeller, and is widely used due to simple structure, low required manufacturing cost and simple maintenance, but the fixed-pitch propeller is easy to wind sundries on the propeller when running in water, particularly in a river with shallow depth, aquatic weeds at the bottom of the river can fly towards the propeller under the action of water flow caused by the rotation of the propeller and are easy to wind on the propeller, and once the propeller is wound with sundries, the advancing of a ship has to be stopped, manual launching is carried out for maintenance operation, the maintenance cost of the propeller is increased, in addition, in a river close to a residential area, the river often has domestic garbage, the domestic garbage is easy to wind on the propeller, and if the domestic garbage is hard, the propeller is easy to damage.

For example, the chinese utility model patent discloses an anti-wind propeller [ application No.: 201120098899.7], comprising a hub, a front blade, a propeller blade and a tail blade, wherein at least one propeller blade is arranged on the hub, the height of the propeller blade is gradually increased from the head end of the front blade to the tail end of the tail blade, and then gradually decreased to the middle section. However, the propeller may still be windingly loaded with debris by rotation, and the windings cannot be removed from the propeller and can only be operated manually into the water.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a river ship fixed pitch screw in curved knife type.

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

the utility model provides a river ship fixed pitch screw in bent knife type, includes the rotation axis, the tip of rotation axis be equipped with a plurality of screw, the rotation axis still have a hollow protection section of thick bamboo outward, the rotation axis run through a protection section of thick bamboo and a plurality of screw is located a protection section of thick bamboo, a protection section of thick bamboo in still run through a plurality of through-hole, a protection section of thick bamboo tip swing joint who keeps away from the screw have a plurality of fender rods, the fender rod can rotate round the central line of rotation axis.

In foretell interior river ship fixed pitch screw of tulwar, the tip that keeps away from the screw of a protection section of thick bamboo be equipped with two head rods of mutual opposition, be equipped with the connecting axle between two head rods, the connecting axle internal rotation be connected with hollow section of thick bamboo that rotates, the rotation axis run through a rotation section of thick bamboo, and a plurality of fender rod sets up on a rotation section of thick bamboo.

In the curved knife type inland river ship fixed-pitch propeller, each protection rod is covered with a winding layer, and the winding layers are formed by sequentially abutting a plurality of zigzag winding blocks.

In the curved knife type inland river ship fixed-pitch propeller, the cleaning ring is sleeved outside the protection cylinder and can axially reciprocate along the protection cylinder.

In the curved blade type inland river ship fixed-pitch propeller, a wiping rod capable of axially reciprocating along the protective cylinder is movably connected in each first connecting rod, and the wiping rod extends out of the wiping ring and is fixedly connected with the wiping ring.

In the curved blade type inland river ship fixed-pitch propeller, the through hole is obliquely arranged, and one end of the through hole close to the protection rod extends to the other end of the through hole gradually towards the direction close to the central line of the protection cylinder.

In the curved blade type inland river ship fixed-pitch propeller, a gap is formed between the first connecting rod and the connecting shaft, the connecting shaft is connected with two second connecting rods which are opposite to each other, and the end part, far away from the connecting shaft, of each second connecting rod is connected with the first connecting rod.

In the curved knife type inland river ship fixed-pitch propeller, the end part of the through hole, which is far away from the central line of the protective cylinder, is provided with the check ring which is formed by arranging a plurality of iron wires in a criss-cross mode.

In the curved blade type inland river ship fixed-pitch propeller, the cross section of the protection rod is arranged in a triangular shape, and the end part of the rotating cylinder far away from the protection cylinder is arranged in a circular truncated cone shape.

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

1. the utility model provides a screw is located a protection section of thick bamboo, and a protection section of thick bamboo can protect the screw not roll into pasture and rubbish, and the tip swing joint that a protection section of thick bamboo kept away from the screw has a plurality of fender rods, and a plurality of fender rod can rotate round the central line of rotation axis, and under the effect of rivers, the fender rod can rotate round the central line of rotation axis or swing, effectual pasture and rubbish that blocks.

2. The utility model provides a fender rod coats and is stamped the winding layer, the winding layer be the winding piece of cockscomb structure by a plurality of and offset the setting in proper order, when rubbish or pasture and water contact the fender rod, the winding piece that is the cockscomb structure on the fender rod can entangle or catch on rubbish or pasture and water, prevents in rubbish or the pasture and water flow in the protection section of thick bamboo.

3. The utility model provides a protection section of thick bamboo still overlaps outward and is equipped with and cleans the circle, cleans the circle and can slide at protection section of thick bamboo surface along protection section of thick bamboo axial reciprocating motion, cleans the circle to will cover rubbish and pasture and water on protection section of thick bamboo surface and wipe, prevent to block up the through-hole.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

3 fig. 3 2 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 of 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3

Fig. 3 is a schematic cross-sectional view of B-B in fig. 1.

In the figure: the device comprises a rotating shaft 10, a propeller 11, a protective cylinder 12, a through hole 13, a protective rod 14, a first connecting rod 15, a connecting shaft 16, a rotating cylinder 17, a winding block 18, a wiping ring 19, a wiping rod 20, a second connecting rod 21 and a blocking ring 22.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, a river vessel fixed pitch screw propeller in bent blade type, including rotation axis 10, the tip of rotation axis 10 be equipped with a plurality of screw 11, rotation axis 10 still have hollow protection section of thick bamboo 12 outward, rotation axis 10 run through protection section of thick bamboo 12 and a plurality of screw 11 be located protection section of thick bamboo 12, protection section of thick bamboo 12 in still run through and have a plurality of through-hole 13, protection section of thick bamboo 12 keep away from the tip swing joint of screw 11 and have a plurality of guard bars 14, guard bar 14 can rotate round the central line of rotation axis 10.

In the utility model, when the propeller 11 is rotating, the protective cylinder 12 prevents the waterweeds, fishes or garbage in the river from being involved by the propeller 11 to cause the propeller 11 to be wound and unable to work, because of the existence of the protective cylinder 12, when the propeller 11 is working to push the water flow, the direction of the water flow passes through the protective cylinder 12, therefore, the end part of the protective cylinder 12 far away from the propeller 11 is movably connected with a plurality of protective rods 14, the waterweeds and garbage gradually move towards the direction close to the propeller 11 along with the direction of the water flow, the plurality of protective rods 14 can block the waterweeds and garbage and wind the waterweeds and garbage on the protective rods 14, thereby effectively preventing the waterweeds and garbage from entering the protective cylinder 12 to cause the winding on the propeller 11, secondly, under the action of the water flow, the protective rods 14 can rotate or swing around the central line of the rotating shaft 10 to effectively block the waterweeds and garbage, furthermore, the aquatic plants and the garbage are blocked outside the protective rod 14, and when the water inlet speed of the protective cylinder 12 cannot meet the drainage speed of the propeller 11, water can enter the protective cylinder 12 from the through holes 13 on the protective cylinder 12.

The end part of the protection cylinder 12 far away from the propeller 11 is provided with two first connecting rods 15 which are opposite to each other, a connecting shaft 16 is arranged between the two first connecting rods 15, the connecting shaft 16 is connected with a hollow rotating cylinder 17 in a rotating mode, the rotating shaft 10 penetrates through the rotating cylinder 17, and the protection rods 14 are arranged on the rotating cylinder 17.

The utility model discloses in, head rod 15 and rotation axis 10 all with hull connection, head rod 15 only plays fixed connection's effect, and the volume that head rod 15 occupied can not influence rivers, in addition, rotates a 17 ability drive fender rod 14 and rotates, makes fender rod 14 can rotate or swing round the central line of rotation axis 10, the effectual pasture and water and rubbish that blocks.

Each protective rod 14 is covered with a winding layer, and the winding layers are sequentially arranged in an offsetting way by a plurality of winding blocks 18 in a zigzag shape.

In the present invention, when the garbage or aquatic weeds contact the protection rod 14, the winding block 18 with a zigzag shape on the protection rod 14 can wind or catch the garbage or aquatic weeds, preventing the garbage or aquatic weeds from flowing into the protection cylinder 12.

The outer still cover of protection section of thick bamboo 12 be equipped with wiping ring 19, wiping ring 19 can be along protection section of thick bamboo 12 axial reciprocating motion, swing joint has the wiping rod 20 that can along protection section of thick bamboo 12 axial reciprocating motion in every first connecting rod 15, wiping rod 20 extend wiping ring 19 and with wiping ring 19 fixed connection.

The utility model discloses in, through-hole 13 on protection section of thick bamboo 12 is in long-time use, along with the inflow of rivers, rubbish and pasture and water can cover at protection section of thick bamboo 12 surface, and wiping bar 20 and hull swing joint when wiping protection section of thick bamboo 12 surface, and wiping bar 20 slides at protection section of thick bamboo 12 surface along protection section of thick bamboo 12 axial reciprocating motion and drive wiping ring 19 to will cover rubbish and pasture and water on protection section of thick bamboo 12 surface and wipe.

The through hole 13 is obliquely arranged, and one end of the through hole 13 close to the protection rod 14 extends towards the direction close to the central line of the protection cylinder 12 gradually from the other end.

The utility model discloses in, form the acute angle between the direction of through-hole 13 and the direction of rivers, when water passes through in through-hole 13 flows into a protection section of thick bamboo 12, the direction that the water flows in through-hole 13 can not obstruct the rivers direction in a protection section of thick bamboo 12.

A gap is formed between the first connecting rod 15 and the connecting shaft 16, the connecting shaft 16 is connected with two second connecting rods 21 which are opposite to each other, and the end part of each second connecting rod 21 far away from the connecting shaft 16 is connected with the first connecting rod 15.

The utility model discloses in, second connecting rod 21 only plays fixed connection's effect, and water is at the flow in-process, and second connecting rod 21 can not influence the velocity of flow in the rivers protection section of thick bamboo 12 because the area is less.

The end part of the through hole 13 far away from the central line of the protective cylinder 12 is provided with a plurality of stop rings 22 which are arranged in a criss-cross way.

The utility model discloses in, block that circle 22 can be further prevent debris such as rubbish or pasture and water from passing through in the through-hole 13 flows into the protection section of thick bamboo 12, lead to the winding to make screw 11 damage on screw 11.

The cross section of the protection rod 14 is triangular, the connection line of two adjacent outer walls of the protection rod 14 is positioned on one side of the protection rod 14 far away from the protection cylinder 12, and the end part of the rotating cylinder 17 far away from the protection cylinder 12 is in a round table shape.

The utility model discloses in, the most advanced orientation rivers direction of fender rod 14 to and the most advanced orientation rivers direction that a rotation section of thick bamboo 17 is round platform form, further do not influence velocity of water and rivers direction.

Preferably, the rotating cylinder 17 is further provided with a plurality of small paddles, and the plurality of small paddles and the plurality of protection rods 14 are arranged in a staggered manner.

The utility model discloses in, when rivers flowed in protection section of thick bamboo 12, thereby rivers can promote little oar and make little oar rotate, make a plurality of fender rod 14 begin regular rotation, block pasture and water and rubbish in the rivers.

The utility model discloses a theory of operation: when the propeller 11 rotates, the protective cylinder 12 prevents waterweeds, fishes or garbage in a river from being involved by the propeller 11 to cause the propeller 11 to be wound and incapable of working, because of the existence of the protective cylinder 12, when the propeller 11 works to push water flow, the direction of the water flow passes through the protective cylinder 12, therefore, a plurality of protective rods 14 are movably connected to the end part of the protective cylinder 12 far away from the propeller 11, the waterweeds and the garbage gradually move towards the direction close to the propeller 11 along with the direction of the water flow, and the plurality of protective rods 14 can block the waterweeds and the garbage and wind the waterweeds and the garbage on the protective rods 14, thereby effectively preventing the waterweeds and the garbage from entering the protective cylinder 12 to cause the winding on the propeller 11, secondly, under the action of the water flow, the protective rods 14 can rotate or swing around the central line of the rotating shaft 10 to effectively block the waterweeds and the, the aquatic plants and the garbage are blocked outside the protective rod 14, and when the water inlet speed of the protective cylinder 12 cannot meet the drainage speed of the propeller 11, water can enter the protective cylinder 12 from the through holes 13 on the protective cylinder 12.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms propeller rotation shaft 10, propeller 11, protective cylinder 12, through hole 13, protective rod 14, first connecting rod 15, connecting shaft 16, rotary cylinder 17, winding block 18, wiper ring 19, wiper rod 20, second connecting rod 21, blocking ring 22, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a river ship fixed pitch screw in bent blade type, includes rotation axis (10), its characterized in that, the tip of rotation axis (10) be equipped with a plurality of screw (11), rotation axis (10) still have hollow protective barrel (12) outward, rotation axis (10) run through protective barrel (12) and a plurality of screw (11) are located protective barrel (12), protective barrel (12) in still run through and have a plurality of through-hole (13), protective barrel (12) keep away from the tip swing joint of screw (11) have a plurality of fender rods (14), fender rod (14) can rotate round the central line of rotation axis (10).

2. The curved blade type inland river ship fixed-pitch propeller as claimed in claim 1, wherein the end of the protection cylinder (12) far away from the propeller (11) is provided with two first connecting rods (15) which are opposite to each other, a connecting shaft (16) is arranged between the two first connecting rods (15), a hollow rotating cylinder (17) is rotationally connected in the connecting shaft (16), the rotating shaft (10) penetrates through the rotating cylinder (17), and a plurality of protection rods (14) are arranged on the rotating cylinder (17).

3. The curved blade type inland river ship fixed pitch propeller as claimed in claim 1, wherein each protective rod (14) is covered with a winding layer, and the winding layers are sequentially arranged in an abutting manner by a plurality of zigzag winding blocks (18).

4. The curved blade type inland river ship fixed-pitch propeller as claimed in claim 2, wherein a wiping ring (19) is further sleeved outside the protective cylinder (12), and the wiping ring (19) can axially reciprocate along the protective cylinder (12).

5. The curved blade type inland river ship fixed-pitch propeller as claimed in claim 4, wherein a wiping rod (20) capable of axially reciprocating along the protective cylinder (12) is movably connected in each first connecting rod (15), and the wiping rod (20) extends out of the wiping ring (19) and is fixedly connected with the wiping ring (19).

6. The curved blade type inland river ship fixed pitch propeller as claimed in claim 1, wherein said through hole (13) is inclined, and said through hole (13) gradually extends toward the direction of the central line of the protecting cylinder (12) from one end to the other end of the protecting rod (14).

7. The curved blade type inland river ship fixed pitch propeller as claimed in claim 2, wherein, there is a gap between said first connecting rod (15) and said connecting shaft (16), and said connecting shaft (16) is connected with two second connecting rods (21) opposite to each other, and the end of said second connecting rod (21) far from said connecting shaft (16) is connected with said first connecting rod (15).

8. The curved blade type inland river ship fixed-pitch propeller as claimed in claim 1, wherein the end of the through hole (13) far from the center line of the protective cylinder (12) is provided with a check ring (22) formed by a plurality of iron wires in a criss-cross arrangement.

9. The curved knife type inland river ship fixed-pitch propeller as claimed in claim 2, wherein the cross section of the protection rod (14) is triangular, and the end of the rotating cylinder (17) far away from the protection cylinder (12) is truncated cone-shaped.