CN210284570U - Anti-winding propeller for ship propeller - Google Patents
Anti-winding propeller for ship propeller Download PDFInfo
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- CN210284570U CN210284570U CN201921149913.4U CN201921149913U CN210284570U CN 210284570 U CN210284570 U CN 210284570U CN 201921149913 U CN201921149913 U CN 201921149913U CN 210284570 U CN210284570 U CN 210284570U
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Abstract
The utility model provides an anti-winding propeller for a ship propeller, which solves the problem that the area between the propeller hub of the prior propeller and a ship stern shaft bracket is often wound by sundries in water; the movable cutting knife makes reciprocating linear motion, the movable cutting knife is matched with the static cutting knife to cut the wound object, the wound object between the propeller hub and the ship stern shaft bracket is cleaned, and the wound object on the static cutting knife and the movable cutting knife is cut; the cutting range is enlarged through the inclined cutting blade A and the inclined cutting blade B, and the wound is effectively prevented from approaching the fixed shell; cutting sundries near the water permeable holes by using the cutting piece A to prevent the sundries from entering the fixed shell through the water permeable holes; the main cutting knife enters the fixed winding object in the rotating process to effectively cut; simultaneously, the spiral main cutting knife forms negative pressure in the fixed shell in the rotating process, water is drawn into the fixed shell and then flows out through the water permeable holes, and the propelling force is increased for the ship.
Description
Technical Field
The utility model relates to a boats and ships equip technical field, concretely relates to antiwind screw for marine propulsor.
Background
China is a large world shipping country, and the shipping industry has extremely important and irreplaceable effects in the aspect of national economic construction. Especially since the innovation was open. China's shipping industry is rapidly developed, and at present, over 80% of foreign trade import and export goods transportation in China is completed through shipping. The shipping industry makes great contribution to promoting national economy growth and external trade development, and has a dominant position in foreign trade transportation in China.
The state of ship power device is good or not, and directly determines the whole safety of ship, and the ship propeller is an important component of power device, and is an energy changer in the ship propulsion device, and can convert the power produced by engine into the thrust of ship to overcome the resistance of ship navigation in water, and the most Yangtze river is propeller.
The propeller comprises a propeller hub and a propeller blade, the propeller is connected with an output shaft of the main machine through a stern shaft, the stern shaft is connected with the ship body through a bearing, a bearing seat and a sealing device, a ship stern shaft frame is arranged at the joint of the ship body corresponding to the propeller, and the stern shaft drives the propeller to rotate so as to drive the ship to sail. However, during navigation, the area between the propeller hub and the ship stern shaft bracket is often wound by ropes, fishing nets, seaweeds, algae and the like in water, so that the propeller is blocked, normal operation of the ship is affected, and even serious safety accidents of machine damage and human death are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides an antiwind screw for marine propulsor has the characteristics of avoiding under water the winding of debris.
The utility model provides a technical scheme of above-mentioned problem does: an anti-winding propeller for a ship propeller comprises a stern shaft bracket arranged on a ship, a stern shaft, a propeller, a first cutting device and a second cutting device, wherein one end of the stern shaft bracket penetrates through the stern shaft bracket and is connected with an output shaft of a main machine;
the first cutting device comprises a static cutting knife, a movable cutting knife, a connecting rod and a waterproof motor, wherein one end of the static cutting knife is installed on the stern shaft bracket, one end of the movable cutting knife is movably installed on the static cutting knife and is positioned below the static cutting knife, one end of the connecting rod is hinged with the movable cutting knife, one end of the connecting rod, far away from the movable cutting knife, is hinged with a position, far away from the circle center, of the driving wheel, and the waterproof motor is;
the second cutting device comprises a fixed shell with one end with a large diameter and the other end with a small diameter and a hollow round platform structure, a main cutting knife arranged on the inner surface of the fixed shell, and an auxiliary cutting knife which is vertically arranged on the outer surface of the fixed shell, distributed along the X-axis direction and gradually increased in the outer diameter along the X-axis positive direction.
Furthermore, the connecting rod, the driving wheel and the waterproof motor are all positioned in a protective shell, and the protective shell is arranged on the propeller shaft bracket; one end of the movable cutting knife extends into the protective shell and is connected with the protective shell in a sliding mode.
Furthermore, a sliding rail is installed at the bottom of the static cutting knife, and the movable cutting knife is installed on the sliding rail.
Furthermore, the two sides of the static cutting knife are provided with serrated cutting teeth, and the two sides of the dynamic cutting knife are provided with serrated cutting teeth.
Further, main cutting knife is heliciform structure, and main cutting knife's width is W, and W increases gradually and main cutting knife internal diameter equals along X axle positive direction.
Furthermore, a plurality of water permeable holes are formed in the fixed shell, and the water permeable holes are inclined towards the direction close to the propeller.
Furthermore, the auxiliary cutting knife is of a circular structure, one side of the auxiliary cutting knife, which is close to the propeller, is provided with a plurality of cutting blades A, and the cutting blades A are annularly arrayed around the central axis of the auxiliary cutting knife; one side of the auxiliary cutting knife close to the propeller shaft bracket is provided with a plurality of cutting blades B which are annularly arrayed around the central axis of the auxiliary cutting knife.
Further, the cutting blade A is obliquely arranged on the auxiliary cutting knife, and the cutting blade A is inclined towards the direction close to the propeller; the cutting blade B is obliquely arranged on the auxiliary cutting knife and is inclined towards the direction far away from the propeller.
Further, the cutting blade A is obliquely arranged on the auxiliary cutting knife, and the cutting blade A is inclined towards the direction far away from the propeller; the cutting blade B is obliquely arranged on the auxiliary cutting knife and is inclined towards the direction close to the propeller.
The utility model discloses beneficial effect has: the utility model solves the problem that the area between the propeller hub and the ship stern shaft bracket is often wound by ropes, fishing nets, sea grass, algae and the like in water through the first cutting device and the second cutting device; the movable cutting knife makes reciprocating linear motion, the movable cutting knife is matched with the static cutting knife to effectively cut a wound object, the wound object between the propeller hub and the ship stern shaft bracket is effectively cleaned, and meanwhile, the wound object on the static cutting knife and the wound object on the movable cutting knife are cut; the cutting range is enlarged through the inclined cutting blade A and the inclined cutting blade B, and the winding object is effectively prevented from approaching the fixed shell by utilizing the mutual matching of the cutting blade A and the cutting blade B; cutting sundries near the water permeable holes by using the cutting piece A to prevent the sundries from entering the fixed shell through the water permeable holes; the main cutting knife enters the fixed winding object in the rotating process to effectively cut; simultaneously, the spiral main cutting knife forms negative pressure in the fixed shell in the rotating process, water is drawn into the fixed shell and then flows out through the water permeable holes, and the propelling force is increased for the ship.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is an installation diagram of the movable cutting knife and the static cutting knife of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 4.
In the figure: 1-screw shaft bracket, 2-screw shaft, 3-propeller, 4-first cutting device, 5-second cutting device, 6-static cutting knife, 7-slide rail, 8-crank, 9-connecting rod, 10-waterproof motor, 11-protective shell, 12-dynamic cutting knife, 13-sliding column, 14-sliding hole, 16-cutting tooth, 17-fixed shell, 18-main cutting knife, 19-auxiliary cutting knife, 20-water permeable hole, 21-cutting piece A, 22-cutting piece B.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
An anti-winding propeller 3 for a ship propeller comprises a screw shaft bracket 1 arranged on a ship, a screw shaft 2 with one end penetrating through the screw shaft bracket 1 and connected with an output shaft of a main machine, a screw shaft 2 rotatably connected with the screw shaft bracket 1 through a rolling bearing, a propeller 3 arranged at one end of the screw shaft 2 far away from the screw shaft bracket 1, a first cutting device 4 arranged on the screw shaft bracket 1 and positioned at two sides of the screw shaft 2, and a second cutting device 5 arranged on a propeller hub of the propeller 3;
the first cutting device 4 comprises a static cutting knife 6 with one end installed on the stern shaft bracket 1, a sliding rail 7 is installed at the bottom of the static cutting knife 6, a movable cutting knife 12 is installed on the sliding rail 7, a connecting rod 9 with one end hinged with the movable cutting knife 12 is arranged, one end of the connecting rod 9, far away from the movable cutting knife 12, is hinged with a position, far away from the circle center, of a driving wheel 8, a waterproof motor 10 which is installed on the stern shaft bracket 1 and drives the driving wheel 8 to rotate is installed on the shaft of the waterproof motor 10, the connecting rod 9, the driving wheel 8 and the waterproof motor 10 are all located in a protective shell 11, and;
one end of the movable cutting knife 12 extends into the protective shell 11 and is connected with the protective shell 11 in a sliding manner; one end of the movable cutting knife 12 close to the protective shell 11 is provided with a pair of sliding columns 13, the sliding columns 13 are symmetrical about the movable cutting knife 12, a sliding hole 14 for the movable cutting knife 12 to pass through is formed in the protective shell 11, sliding grooves matched with the sliding columns 13 are formed in corresponding positions in the sliding hole 14, the sliding columns 13 are inserted into the sliding grooves, and the cross sections of the sliding columns 13 are rectangular.
The two sides of the static cutting knife 6 and the dynamic cutting knife 12 are both provided with saw-toothed cutting teeth 16.
The second cutting device 5 comprises a fixed shell 17 with one end with a large diameter and the other end with a small diameter and a hollow circular truncated cone structure, a main cutting knife 18 arranged on the inner surface of the fixed shell 17, and an auxiliary cutting knife 19 which is vertically arranged on the outer surface of the fixed shell 17, distributed along the X-axis direction and gradually increased in outer diameter along the X-axis positive direction.
The fixed shell 17 is provided with a plurality of water permeable holes 20, and the water permeable holes 20 incline towards the direction close to the propeller 3; the inclined water permeable holes 20 are used for blocking the wound objects, so that the wound objects are prevented from entering the fixed shell 17 through the water permeable holes 20;
the main cutting knife 18 is of a spiral structure, the width of the main cutting knife 18 is W, the W is gradually increased along the positive direction of the X axis, and the inner diameters of the main cutting knife 18 are equal; the consistency of the inner diameter of the main cutter 18 is utilized to avoid the phenomenon that the distance between the main cutter 18 and the stern shaft 2 is too far and exceeds the cutting range of the main cutter 18;
the main cutting knife 18 enters the winding in the fixed part to effectively cut in the rotating process through the movement of the fixed shell 17 along with the propeller hub of the propeller 3; meanwhile, the spiral main cutting knife 18 forms negative pressure in the fixed shell 17 in the rotating process, water is rolled in the fixed shell 17 and then flows out through the water permeable holes 20, and the propelling force is increased for the ship;
the auxiliary cutting knife 19 is of a circular structure, one side of the auxiliary cutting knife 19, which is close to the propeller 3, is provided with a plurality of cutting blades A21, and the cutting blades A21 are annularly arrayed around the central axis of the auxiliary cutting knife 19; the side of the secondary cutter 19 close to the propeller shaft bracket 1 is provided with a plurality of cutting blades B22, and the cutting blades B22 are annularly arrayed around the central axis of the secondary cutter 19.
The cutting blade A21 is obliquely arranged on the secondary cutting knife 19, and the cutting blade A21 is inclined towards the direction close to the propeller 3; the cutter B22 is obliquely arranged on the secondary cutter 19, and the cutter B22 is obliquely inclined away from the propeller 3.
The cutting range is enlarged through the inclined cutting blade A21 and the inclined cutting blade B22, and the winding is effectively prevented from approaching the fixed shell 17 by the mutual matching of the cutting blade A21 and the cutting blade B22; the sundries near the water permeable holes 20 are cut by the cutting piece A21, so that the sundries are prevented from entering the fixed shell 17 through the water permeable holes 20.
The utility model discloses the working process: the control switch of the waterproof motor is arranged in a cockpit, when a ship sails, the waterproof motor is started, the first cutting device works, the movable cutting knife makes reciprocating linear motion in the X direction, and the movable cutting knife and the static cutting knife are matched with each other to effectively cut a wound on a stern shaft in the axial direction; the second cutting device rotates along with the propeller hub, the main cutting knife generates propelling force for assisting the movement of the ship when cutting the winding, and the auxiliary cutting knife, the cutting blade A and the cutting blade B cut the winding near the fixed shell, so that the safe working environment is ensured.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (9)
1. An anti-winding propeller for a ship propeller is characterized by comprising a stern shaft bracket arranged on a ship, a stern shaft, a propeller, a first cutting device and a second cutting device, wherein one end of the stern shaft bracket penetrates through the stern shaft bracket and is connected with an output shaft of a main engine;
the first cutting device comprises a static cutting knife, a movable cutting knife, a connecting rod and a waterproof motor, wherein one end of the static cutting knife is installed on the stern shaft bracket, one end of the movable cutting knife is movably installed on the static cutting knife and is positioned below the static cutting knife, one end of the connecting rod is hinged with the movable cutting knife, one end of the connecting rod, far away from the movable cutting knife, is hinged with a position, far away from the circle center, of the driving wheel, and the waterproof motor is;
the second cutting device comprises a fixed shell with one end with a large diameter and the other end with a small diameter and a hollow round platform structure, a main cutting knife arranged on the inner surface of the fixed shell, and an auxiliary cutting knife which is vertically arranged on the outer surface of the fixed shell, distributed along the X-axis direction and gradually increased in the outer diameter along the X-axis positive direction.
2. The anti-wind propeller for the ship propeller as claimed in claim 1, wherein the connecting rod, the driving wheel and the waterproof motor are all located in a protective casing, and the protective casing is installed on the propeller shaft bracket; one end of the movable cutting knife extends into the protective shell and is connected with the protective shell in a sliding mode.
3. The anti-wind propeller for the ship propeller as claimed in claim 1, wherein the static cutter is provided at a bottom thereof with a slide rail, and the dynamic cutter is provided on the slide rail.
4. An anti-wind propeller for ship propeller as claimed in claim 1 or 2 or 3, wherein said static cutter is provided with saw-toothed cutting teeth on both sides, and said dynamic cutter is provided with saw-toothed cutting teeth on both sides.
5. The anti-wind propeller for ship propeller as claimed in claim 1, wherein the main cutter is a spiral structure, the width of the main cutter is W, W is gradually increased along the positive direction of X axis and the inner diameter of the main cutter is equal.
6. The wind-up preventing propeller for ship's propulsion according to claim 1, wherein said stationary housing has a plurality of water permeable holes, and the water permeable holes are inclined in a direction approaching the propeller.
7. The anti-wind propeller for the ship propeller as claimed in claim 1, 5 or 6, wherein the secondary cutter is of a circular ring structure, one side of the secondary cutter close to the propeller is provided with a plurality of cutting blades A, and the cutting blades A are annularly arrayed around the central axis of the secondary cutter; one side of the auxiliary cutting knife close to the propeller shaft bracket is provided with a plurality of cutting blades B which are annularly arrayed around the central axis of the auxiliary cutting knife.
8. The anti-wind propeller for the ship propeller as claimed in claim 7, wherein the cutting blade A is obliquely installed on the secondary cutting knife, the cutting blade A is obliquely inclined toward the propeller; the cutting blade B is obliquely arranged on the auxiliary cutting knife and is inclined towards the direction far away from the propeller.
9. The anti-wind propeller for the ship propeller as claimed in claim 7, wherein the cutting blade A is obliquely installed on the secondary cutting knife, the cutting blade A is obliquely inclined away from the propeller; the cutting blade B is obliquely arranged on the auxiliary cutting knife and is inclined towards the direction close to the propeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149913.4U CN210284570U (en) | 2019-07-22 | 2019-07-22 | Anti-winding propeller for ship propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149913.4U CN210284570U (en) | 2019-07-22 | 2019-07-22 | Anti-winding propeller for ship propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210284570U true CN210284570U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921149913.4U Active CN210284570U (en) | 2019-07-22 | 2019-07-22 | Anti-winding propeller for ship propeller |
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| CN (1) | CN210284570U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572744A (en) * | 2020-06-01 | 2020-08-25 | 中国船舶科学研究中心 | Hydraulic shear device for underwater winding of ship pump jet propeller |
| CN112009660A (en) * | 2020-08-29 | 2020-12-01 | 涡阳县信隆船舶附件有限公司 | Antiwind device for ship rotating shaft |
| CN112027042A (en) * | 2020-08-12 | 2020-12-04 | 苏州本特力船用设备有限公司 | Side direction propeller with antiwind function |
| CN112339959A (en) * | 2020-11-23 | 2021-02-09 | 镇江金叶螺旋桨有限公司 | Ship propeller with cleaning function and installation and use method thereof |
| CN112722225A (en) * | 2021-01-29 | 2021-04-30 | 启东恒昊船舶科技有限公司 | Anti-winding device for ship propeller |
| CN114940256A (en) * | 2022-05-09 | 2022-08-26 | 涡阳县信隆船舶附件有限公司 | Antiwind marine rudder shaft |
-
2019
- 2019-07-22 CN CN201921149913.4U patent/CN210284570U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572744A (en) * | 2020-06-01 | 2020-08-25 | 中国船舶科学研究中心 | Hydraulic shear device for underwater winding of ship pump jet propeller |
| CN111572744B (en) * | 2020-06-01 | 2021-03-09 | 中国船舶科学研究中心 | Hydraulic shear device for underwater winding of ship pump jet propeller |
| CN112027042A (en) * | 2020-08-12 | 2020-12-04 | 苏州本特力船用设备有限公司 | Side direction propeller with antiwind function |
| CN112009660A (en) * | 2020-08-29 | 2020-12-01 | 涡阳县信隆船舶附件有限公司 | Antiwind device for ship rotating shaft |
| CN112339959A (en) * | 2020-11-23 | 2021-02-09 | 镇江金叶螺旋桨有限公司 | Ship propeller with cleaning function and installation and use method thereof |
| CN112722225A (en) * | 2021-01-29 | 2021-04-30 | 启东恒昊船舶科技有限公司 | Anti-winding device for ship propeller |
| CN114940256A (en) * | 2022-05-09 | 2022-08-26 | 涡阳县信隆船舶附件有限公司 | Antiwind marine rudder shaft |
| CN114940256B (en) * | 2022-05-09 | 2024-04-16 | 涡阳县信隆船舶附件有限公司 | Anti-winding rudder shaft for ship |
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