CN113232816A

CN113232816A - Marine propeller

Info

Publication number: CN113232816A
Application number: CN202110635599.6A
Authority: CN
Inventors: 徐洪玲; 昌涛; 朱正敏
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-10
Anticipated expiration: 2041-06-08
Also published as: CN113232816B

Abstract

The invention relates to a marine propeller, which belongs to the technical field of propellers and comprises a diesel engine drive, a vertical rod, an operating rod, a package, a propeller, a water seal, a main shaft positioned in the vertical rod and a propeller shaft positioned in the package and connected with the propeller, wherein a rudder blade is arranged in front of the propeller and positioned on the vertical plane of the axis of the propeller, a rudder blade drive connected with the vertical rod is arranged above the propeller, the rudder blade drive drives the rudder blade to swing left and right, a lower fixing plate connected with the package is arranged below the propeller, the lower fixing plate is connected with the lower end of the rudder blade, a convex shaft is arranged on the propeller shaft and positioned vertically below the main shaft, a forward rotation mechanism and a reverse rotation mechanism are respectively arranged on two sides of the convex shaft, and the forward rotation mechanism or the reverse rotation mechanism is connected with the convex shaft; the invention provides a propeller which can realize coaxial forward rotation or reverse rotation, and the turbulence generated by rotation in different directions can wash away the dirt on the propeller blades, thereby effectively reducing the attachment of the dirt and effectively improving the maintenance period of the propeller.

Description

Marine propeller

Technical Field

The invention belongs to the technical field of propellers, and particularly relates to a marine propeller.

Background

The marine propeller is a propulsion engine arranged on a ship body, and is widely applied to the fields of aquaculture fishery, commercial operation and government law enforcement due to high integration level and simple installation and purchase. Marine propellers are mainly classified into fuel marine propellers and electric marine propellers according to energy differences. When the marine propeller is used, the marine propeller is usually suspended and mounted on a transom, and a control device mounted on the marine propeller is manually operated. The blade of the propeller of the marine propeller can be polluted and attached with solid wastes which are difficult to remove, and the propeller is easy to be damaged by impact because no protective measures are taken outside the propeller. Thus, a marine propeller is proposed.

Disclosure of Invention

The invention aims to solve the problems and provide a marine propeller which is simple in structure and reasonable in design.

The invention realizes the purpose through the following technical scheme:

the utility model provides a marine propeller, includes diesel engine drive, pole setting, action bars, encapsulation, screw and water seal to and be located the inside main shaft of pole setting and be located the oar axle of encapsulation in-connection screw, the dead ahead of screw is equipped with the rudder blade, and the rudder blade is located screw axis perpendicular, the top of screw is equipped with the rudder blade drive of being connected with the pole setting, rudder blade drive rudder blade horizontal hunting, the below of screw is equipped with the bottom plate with encapsulation connection, and the lower extreme of rudder blade is connected to the bottom plate, the position that is located the perpendicular below of main shaft on the oar axle is equipped with the protruding axle, and the both sides of protruding axle are equipped with corotation mechanism and reversal mechanism respectively, and corotation mechanism or reversal mechanism are connected with the protruding axle for be connected with main shaft transmission and drive oar axle corotation or reversal.

As a further optimization scheme of the rudder blade drive device, the rudder blade drive device comprises a sealing box and a convex edge, one end of the sealing box is connected with the vertical rod, the convex edge is located at one end of the vertical rod, the upper end of the convex edge is connected with an operating rod, a gear ring sleeved on the periphery of the vertical rod is arranged inside the sealing box, one side, close to the convex edge, of the gear ring is connected with a first gear in a meshed mode, the upper end of the first gear is connected with a rotating disc of the operating rod through a gear shaft, a transmission belt is arranged on the outer surface of the lower end of the gear ring, a second gear is arranged at the other end of the transmission belt, and the lower end of the second gear is connected with the rudder blade through a fixed shaft.

As a further optimization scheme of the invention, the lower end surface of the sealing box and the upper end surface of the lower fixing plate are wavy, and the widths of the sealing box and the lower fixing plate are equal to the integral diameter of the propeller.

As a further optimization scheme of the invention, the lower end of the main shaft is provided with a main conical wheel, and both ends of the convex shaft are provided with a plurality of groups of hexagonal clamping holes distributed in an annular array.

As a further optimization scheme of the invention, the forward rotation mechanism or the reverse rotation mechanism comprises a shaft head, a telescopic mechanism and an anti-reverse rotation mechanism, wherein the shaft head is movably sleeved on the propeller shaft, the telescopic mechanism is fixed on the inner wall of the package, and the anti-reverse rotation mechanism is fixedly arranged above the shaft head.

As a further optimization scheme of the invention, the spindle head comprises a clamping column, a conical wheel part, a spindle sleeve part and a ratchet wheel part which are sequentially arranged from near to far away from the protruding shaft, the clamping column is matched with a clamping hole of the protruding shaft, the conical wheel part is meshed with the main conical wheel, the main conical wheel drives the conical wheel part of the forward rotation mechanism to rotate forward and drives the conical wheel part of the reverse rotation mechanism to rotate backward, a step is arranged between the spindle sleeve part and the ratchet wheel part, and the telescopic mechanism is in contact with the ratchet wheel part to push the whole spindle head to be fixed on the protruding shaft.

As a further optimization scheme of the invention, the telescopic mechanism comprises an annular telescopic device and an electromagnetic telescopic rod, the telescopic device drives the electromagnetic telescopic rod to stretch, and the front end of the electromagnetic telescopic rod generates magnetic attraction ratchet parts when electrified.

As a further optimization scheme of the invention, the anti-reverse mechanism comprises a wedge block which is matched with the ratchet wheel part in the direction, the upper end of the wedge block is provided with a spring structure, and when the shaft head is not fixed with the protruding shaft, the anti-reverse mechanism is positioned above the shaft sleeve part.

The invention has the beneficial effects that:

1. the invention provides a propeller which can realize coaxial forward rotation or reverse rotation, and the turbulent flow generated by rotation in different directions can wash away the dirt on the blades of the propeller, thereby effectively reducing the attachment of the dirt and effectively improving the maintenance period of the propeller.

2. According to the invention, the rudder blade drives, and the lower fixing plate and the rudder blade are mutually cooperated, so that the rudder blade can provide a steering function and also play a role in protecting the propeller.

Drawings

FIG. 1 is a schematic view of the overall structure of a marine propeller of the present invention;

FIG. 2 is a schematic view of a rudder blade driving structure of a marine propeller according to the present invention;

FIG. 3 is a schematic view of the inside of the package of a marine propulsor of the present invention;

fig. 4 is a partial structural view of fig. 3 of a marine propeller of the present invention.

In the figure: 1. driving by a diesel engine; 2. erecting a rod; 3. an operating lever; 4. packaging; 5. a propeller; 6. a rudder blade; 7. driving a rudder blade; 71. sealing the box; 72. a convex edge; 73. a gear ring; 74. a first gear; 75. a transmission belt; 76. a second gear; 77. a fixed shaft; 8. a lower fixing plate; 9. a main shaft; 10. a main cone wheel; 11. a paddle shaft; 12. a protruding shaft; 121. a clamping hole; 13. a shaft head; 131. a boss portion; 132. a ratchet portion; 133. a conical wheel section; 134. clamping the column; 14. a telescoping mechanism; 141. a telescoping device; 142. an electromagnetic telescopic rod; 15. an anti-reversion mechanism; 151. a wedge block; 152. a spring structure; 16. and (5) water sealing.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

As shown in fig. 1-4, the marine propeller of this embodiment includes a diesel engine drive 1, a vertical rod 2, an operation rod 3, a package 4, a propeller 5, a water seal 16, a main shaft 9 located inside the vertical rod 2, and a propeller shaft 11 located inside the package 4 and connected with the propeller 5, a rudder blade 6 is provided right in front of the propeller 5, the rudder blade 6 is located on the vertical plane of the axis of the propeller 5, a rudder blade drive 7 connected with the vertical rod 2 is provided above the propeller 5, the rudder blade drive 7 drives the rudder blade 6 to swing left and right, a lower fixing plate 8 connected with the package 4 is provided below the propeller 5, the lower fixing plate 8 is connected with the lower end of the rudder blade 6, the rudder blade drive 7, the lower fixing plate 8 and the rudder blade 6 surround the propeller 5 to protect the propeller 5, a convex shaft 12 is provided on the propeller shaft 11 and located vertically below the main shaft 9, and both sides of the convex shaft 12 are respectively provided with a reverse mechanism and a reverse mechanism, the forward rotation mechanism or the reverse rotation mechanism is connected with the convex shaft 12 and is used for being in transmission connection with the main shaft 9 to drive the propeller shaft 11 to rotate forward or reversely so as to drive the propeller 5 to rotate forward or reversely.

In the marine propeller of this embodiment, the rudder blade drive 7 includes a sealing box 71 and a convex edge 72, one end of the sealing box 71 is connected to the vertical rod 2, the convex edge 72 is located at one end of the vertical rod 2, the upper end of the convex edge 72 is connected to the operating rod 3, a gear ring 73 sleeved on the periphery of the vertical rod 2 is arranged inside the sealing box 71, one side of the gear ring 73 close to the convex edge 72 is engaged and connected with a first gear 74, the upper end of the first gear 74 is connected to a turntable of the operating rod 3 through a gear shaft, a transmission belt 75 is arranged on the outer surface of the lower end of the gear ring 73, the other end of the transmission belt 75 is provided with a second gear 76, the lower end of the second gear 76 is connected to the rudder blade 6 through a fixed shaft 77, the turntable rotates left and right, the torsional force is transmitted to the rudder blade 6 through the gear shaft, the first gear 74, the gear ring 73, the transmission belt 75 and the second gear 76 to drive the rudder blade to swing left and right, and the lower end of the rudder blade 6 is rotatably connected to the lower fixing plate 8;

the lower end face of the sealing box 71 and the upper end face of the lower fixing plate 8 are wavy, the width of the sealing box 71 and the width of the lower fixing plate 8 are equal to the integral diameter of the propeller 5, certain exciting force can be generated when the propeller 5 rotates, vibration generated by the exciting force is expanded to a water body through the wavy sealing box 71 and the lower fixing plate 8, and vibration of the marine propeller caused by the exciting force of the propeller 5 can be reduced.

In the marine propeller of the embodiment, the lower end of the main shaft 9 is provided with a main cone-shaped wheel 10, two ends of the protruding shaft 12 are provided with a plurality of groups of hexagonal clamping holes 121 distributed in an annular array, the forward rotation mechanism or the reverse rotation mechanism comprises a shaft head 13, a telescopic mechanism 14 and an anti-reverse rotation mechanism 15, the shaft head 13 is movably sleeved on the propeller shaft 11, the telescopic mechanism 14 is fixed on the inner wall of the package 4, and the anti-reverse rotation mechanism 15 is fixedly arranged above the shaft head 13;

the spindle head 13 comprises a clamping column 134, a conical wheel part 133, a spindle sleeve part 131 and a ratchet wheel part 132 which are sequentially arranged from near to far away from the protruding shaft 12, the clamping column 134 is matched with a clamping hole 121 of the protruding shaft 12, the conical wheel part 133 is meshed with the main conical wheel 10, the main conical wheel 10 is perpendicular to the conical wheel parts 133 on the left side and the right side, the main conical wheel 10 drives the conical wheel part 133 of the forward rotation mechanism to rotate forward and drives the conical wheel part 133 of the reverse rotation mechanism to rotate backward, a step is arranged between the spindle sleeve part 131 and the ratchet wheel part 132, the telescopic mechanism 14 is in contact with the ratchet wheel part 132 to push the spindle head 13 to be integrally fixed to the protruding shaft 12, and only one spindle head 13 of the forward rotation mechanism and the reverse rotation mechanism is allowed to be fixed to the protruding shaft 12 when the forward rotation mechanism and the reverse rotation mechanism are used;

the telescopic mechanism 14 comprises an annular telescopic device 141 and an electromagnetic telescopic rod 142, the telescopic device 141 drives the electromagnetic telescopic rod 142 to stretch, when the spindle nose 13 of the forward rotation mechanism or the reverse rotation mechanism is fixed to the protruding spindle 12, the electromagnetic telescopic rod 142 only has a telescopic function and is not electrified, the front end of the electromagnetic telescopic rod 142 is not fixedly connected with the ratchet wheel part 132, when the reverse rotation mechanism or the forward rotation mechanism is switched, the front end of the retracted electromagnetic telescopic rod 142 is electrified to generate magnetic attraction to the ratchet wheel part 132, so that the electromagnetic telescopic rod 142 is fixed with the spindle nose 13 to drive the spindle nose to retreat to an initial position;

the anti-reverse rotation mechanism 15 comprises a wedge 151 which is matched with the direction of the ratchet part 132, the upper end of the wedge 151 is provided with a spring structure 152, when the spindle head 13 is not fixed with the protruding shaft 12, the anti-reverse rotation mechanism 15 is positioned above the spindle sleeve part 131, when the spindle head 13 is safe and the protruding shaft 12 is fixed, the anti-reverse rotation mechanism 15 is positioned above the ratchet part 132, the directions of the ratchet parts 132 of the forward rotation mechanism and the reverse rotation mechanism are different, when the spindle head 13 rotates normally, the ratchet part 132 rapidly passes through the wedge 151 with the spring structure 152, when the spindle head 13 rotates reversely, the ratchet part 132 is blocked by the wedge 151 and cannot be reversed, firstly, the reverse rotation generated by the impact of the water flow or other objects along with the water flow when the propeller 5 stops rotating due to faults is prevented, the reverse rotation can cause irreparable damage to the propeller 5, and the water return force of the water flow can generate reverse impact to the propeller 5 at the moment when the propeller 5 stops rotating, this causes the shaft 11 of the propeller 5 to have a tendency to reverse, which is countered by the anti-reverse mechanism 15, which increases the life of the propeller 5.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A ship propeller comprises a diesel engine drive (1), a vertical rod (2), an operating rod (3), a package (4), a propeller (5) and a water seal (16), and a main shaft (9) arranged inside the vertical rod (2) and a propeller shaft (11) arranged in the package (4) and connected with the propeller (5), and is characterized in that a rudder blade (6) is arranged right ahead the propeller (5), the rudder blade (6) is arranged on a vertical plane of the axis of the propeller (5), a rudder blade drive (7) connected with the vertical rod (2) is arranged above the propeller (5), the rudder blade (6) is driven by the rudder blade drive (7) to swing left and right, a lower fixing plate (8) connected with the package (4) is arranged below the propeller (5), the lower end of the rudder blade (6) is connected with the lower fixing plate (8), a convex shaft (12) is arranged on the propeller shaft (11) and vertically below the main shaft (9), a forward rotation mechanism and a reverse rotation mechanism are respectively arranged on two sides of the protruding shaft (12), and the forward rotation mechanism or the reverse rotation mechanism is connected with the protruding shaft (12) and is used for being in transmission connection with the main shaft (9) to drive the propeller shaft (11) to rotate forward or reversely.

2. Marine thruster according to claim 1, characterised in that the rudder blade drive (7) comprises a box (71) and a flange (72), one end of the seal box (71) is connected with the vertical rod (2), the convex edge (72) is positioned at one end of the vertical rod (2), the upper end of the convex edge (72) is connected with the operating rod (3), a gear ring (73) sleeved on the periphery of the upright rod (2) is arranged in the seal box (71), one side of the gear ring (73) close to the convex edge (72) is connected with a first gear (74) in a meshing way, the upper end of the first gear (74) is connected with a rotary disc of the operating rod (3) through a gear shaft, the outer surface of the lower end of the gear ring (73) is provided with a transmission belt (75), the other end of the transmission belt (75) is provided with a second gear (76), and the lower end of the second gear (76) is connected with the rudder blade (6) through a fixed shaft (77).

3. The marine propeller as recited in claim 2, wherein the lower end surface of the sealing box (71) and the upper end surface of the lower fixing plate (8) are wavy, and the width of the sealing box (71) and the width of the lower fixing plate (8) are equal to the integral diameter of the propeller (5).

4. A ship propeller as claimed in claim 1, characterized in that the lower end of the main shaft (9) is provided with a main cone-shaped wheel (10), and both ends of the protruding shaft (12) are provided with a plurality of sets of hexagonal snap holes (121) distributed in an annular array.

5. The marine propeller of claim 4, wherein the forward rotation mechanism or the reverse rotation mechanism comprises a shaft head (13), a telescopic mechanism (14) and an anti-reverse rotation mechanism (15), the shaft head (13) is movably sleeved on the propeller shaft (11), the telescopic mechanism (14) is fixed on the inner wall of the package (4), and the anti-reverse rotation mechanism (15) is fixedly arranged above the shaft head (13).

6. The marine propeller of claim 5, wherein the shaft head (13) comprises a clamping column (134), a tapered wheel portion (133), a shaft sleeve portion (131) and a ratchet portion (132) from near to far away from the protruding shaft (12), the clamping column (134) is matched with a clamping hole (121) of the protruding shaft (12), the tapered wheel portion (133) is meshed with the main tapered wheel (10), the main tapered wheel (10) drives the tapered wheel portion (133) of the forward rotation mechanism to rotate forward and drives the tapered wheel portion (133) of the reverse rotation mechanism to rotate backward, a step exists between the shaft sleeve portion (131) and the ratchet portion (132), and the telescopic mechanism (14) is in contact with the ratchet portion (132) to push the shaft head (13) to be integrally fixed on the protruding shaft (12).

7. Marine thruster according to claim 6, characterized in that the telescopic mechanism (14) comprises an annular telescopic device (141) and an electromagnetic telescopic rod (142), the telescopic device (141) drives the electromagnetic telescopic rod (142) to extend and retract, and the front end of the electromagnetic telescopic rod (142) generates a magnetic attraction ratchet part (132) when electrified.

8. Marine thruster according to claim 7, characterised in that the anti-reverse mechanism (15) comprises a wedge (151) matching the orientation of the ratchet portion (132), the upper end of the wedge (151) being provided with a spring structure (152), the anti-reverse mechanism (15) being located above the sleeve portion (131) when the stub shaft (13) is not secured to the stub shaft (12).