CN212448015U

CN212448015U - Boat pressurizing propeller

Info

Publication number: CN212448015U
Application number: CN202020815279.XU
Authority: CN
Inventors: 陈艺鑫; 姜天华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-02-02
Anticipated expiration: 2030-05-16

Abstract

The invention relates to the technical field of ships, floating boats, submarines and underwater power propulsion equipment, in particular to a boat pressurizing propeller which is characterized by comprising a driving motor, helical blades, a central shaft bracket and a pressurizing cylinder, wherein an output shaft of the driving motor is connected with the central shaft, at least two circles of conical helical blades are wound on the central shaft, the blade width of the helical blades is gradually increased towards the driving motor, the pressurizing cylinder matched with the helical blades is sleeved outside the helical blades, the central shaft is connected with the pressurizing cylinder through the central shaft bracket, the central shaft and the helical blades are driven to rotate by the driving motor, and then water entering the pressurizing cylinder is extruded and discharged to increase the pressure of discharged water flow.

Description

Boat pressurizing propeller

Technical Field

The invention relates to the technical field of ships, floating boats, submarines and underwater power propulsion equipment, in particular to a boat pressurizing propeller which is simple in structure, high in speed, propulsion speed and propelling force and saves energy.

Background

As is well known, boats, ships, rafts have a long history and are used by people for cargo carrying, ferrying, exploration, etc. There are various propulsion modes, such as rope traction, sail, paddle paddling, and power-driven propeller propulsion. In recent times, due to the common application of internal combustion engines and electric power, the boat propulsion mode also more utilizes the mode that mechanical power drives propellers to propel. The existing propulsion power equipment basically adopts a propeller driving mode, the propeller rotates in air or water by means of blades, and the rotating power of an engine is converted into a propulsion force, the propulsion mode is mainly to adjust the speed by adjusting the rotating speed of a transmitter, and the thrust is realized by the rotation of the propeller, so that the problem of energy waste exists.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide the boat pressurizing propeller which has the advantages of simple structure, high acceleration speed, high propelling speed, large propelling force and energy conservation.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a ship pressurizing propeller is characterized by comprising a driving motor, a spiral blade, a central shaft support and a pressurizing cylinder, wherein an output shaft of the driving motor is connected with the central shaft, at least two circles of conical spiral blades are wound on the central shaft, the blade width of each spiral blade is gradually increased towards the driving motor, the pressurizing cylinder matched with the spiral blade is sleeved on the outer side of each spiral blade, the central shaft is connected with the pressurizing cylinder through the central shaft support, the central shaft and the spiral blades are driven to rotate through the driving motor, and water entering the pressurizing cylinder is extruded and discharged to increase the pressure of discharged water flow.

The central shaft of the invention is provided with three circles of conical helical blades, the helical blade close to the driving motor is set as a first circle of blade, the size of the first circle of blade is the largest, the first circle is a water inlet helical blade to enter the largest amount of water, the second circle pressurizes the entered water, and the third circle is further pressurized and discharged under high pressure.

The inner wall of the pressurizing cylinder is provided with the guide wire groove with the same pitch and helix angle as the helical blade, and the flow velocity of water in the pressurizing cylinder is increased through the guide wire groove, so that the resistance is reduced.

The outer side of the pressurizing cylinder is provided with a fixing frame, the fixing frame is fixedly connected with the pressurizing cylinder or the driving motor, and the boat and the propeller are fixedly connected through the fixing frame.

The two ends of the pressurizing cylinder are respectively provided with the annular plates which are bent towards the outer wall direction of the pressurizing cylinder, the pressurizing cylinder is connected with the protective cover through the annular plates, the annular plates on the two sides of the pressurizing cylinder ensure that water smoothly enters the pressurizing cylinder and smoothly exits the pressurizing cylinder, and the influence of the resistance of the water on the propelling force is reduced.

The outer wall of the pressurizing cylinder is sleeved with the shell, two ends of the shell are hermetically connected with the pressurizing cylinder, the damping cavity is arranged between the shell and the pressurizing cylinder, and the damping material is arranged in the damping cavity, so that the vibration of the pressurizing cylinder is reduced through the damping material in the damping cavity, and the energy waste is avoided.

The invention is characterized in that a supporting frame is arranged on the pressurizing cylinder, one end of the supporting frame is connected with the pressurizing cylinder, the other end of the supporting frame is connected with a driving motor or a ship body, a dustproof net is arranged on the supporting frame, the supporting frame is connected with the dustproof net to form an annular shield, and the strength of the structure is enhanced by the combination of the supporting frame and the dustproof net.

The end part of the pressurizing cylinder far away from the driving motor is provided with a guide assembly, the guide assembly consists of a guide rod, a guide vane and a guide rod support, the guide rod support is connected with the pressurizing cylinder, the guide rod support is provided with the guide rod, the upper end of the guide rod penetrates through the guide rod support to be rotatably connected with the guide rod support, the lower end of the guide rod penetrates through the guide rod support to be connected with the guide vane, the guide vane is plate-shaped and is vertically placed downwards, and the guide vane is driven to rotate by rotating the guide rod so as to realize that the propeller drives the direction of a ship body to be changed.

The propeller comprises a driving motor, a spiral blade, a central shaft bracket and a pressurizing cylinder, wherein an output shaft of the driving motor is connected with the central shaft, at least two circles of conical spiral blades are wound on the central shaft, the blade width of the spiral blade is gradually increased towards the driving motor, the pressurizing cylinder matched with the spiral blade is sleeved outside the spiral blade, the central shaft is connected with the pressurizing cylinder through the central shaft bracket, the central shaft and the spiral blade are driven to rotate by the driving motor, water entering the pressurizing cylinder is extruded and discharged to increase the pressure of discharged water flow, three circles of conical spiral blades are arranged on the central shaft, the spiral blade close to the driving motor is set as a first circle of blade, the first circle of blade has the largest size, the first circle is a water inlet spiral blade to enter the largest amount of water, and the second circle pressurizes the entering water, the third ring is further pressurized and discharged under high pressure, a flow guide wire groove with the same pitch and helix angle as the helical blade is arranged on the inner wall of the pressurizing cylinder, the flow velocity of water in the pressurizing cylinder is increased through the flow guide wire groove, the resistance is reduced, a fixing frame is arranged on the outer side of the pressurizing cylinder and is fixedly connected with the pressurizing cylinder or a driving motor, the boat and the propeller are fixedly connected through the fixing frame, annular plates which are bent towards the outer wall direction of the pressurizing cylinder are respectively arranged at two ends of the pressurizing cylinder, the pressurizing cylinder is connected with a protective cover through the annular plates, the annular plates at two sides of the pressurizing cylinder ensure that water smoothly enters the pressurizing cylinder and smoothly is discharged out of the pressurizing cylinder, the influence of the resistance of the water on the propelling force is reduced, a shell is sleeved on the outer wall of the pressurizing cylinder, two ends of the shell are hermetically connected with the pressurizing cylinder, a damping cavity is arranged between the shell and the pressurizing cylinder, and damping, the vibration of the pressurizing cylinder is reduced through the damping material in the damping cavity, energy waste is avoided, the pressurizing cylinder is provided with a support frame, one end of the support frame is connected with the pressurizing cylinder, the other end of the support frame is connected with the driving motor or the ship body, the support frame is provided with a dust screen, the support frame is connected with the dust screen to form an annular shield, the strength of the structure is increased through the combination of the support frame and the dust screen, the end part of the pressurizing cylinder, which is far away from the driving motor, is provided with a guide assembly, the guide assembly consists of a guide rod, a guide vane and a guide bar support, the guide rod support is connected with the pressurizing cylinder, the guide bar support is provided with a guide bar, the upper end of the guide bar penetrates through the guide bar support to be rotatably connected with the guide bar support, the lower end of the guide bar penetrates through the guide, the propeller has the advantages of simple structure, high speed, high propelling speed, large propelling force, energy conservation and the like.

Drawings

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

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the ship pressurizing propeller as shown in the attached drawing is characterized by comprising a driving motor 1, a spiral blade 2, a central shaft 3, a central shaft bracket 6 and a pressurizing cylinder 5, wherein an output shaft of the driving motor 1 is connected with the central shaft 3, at least two circles of conical spiral blades 2 are wound on the central shaft 3, the blade width of each spiral blade 2 is gradually increased towards the driving motor, the pressurizing cylinder 5 matched with the spiral blade 2 is sleeved outside each spiral blade 2, the central shaft 3 is connected with the pressurizing cylinder 5 through the central shaft bracket 3, the central shaft 3 and the spiral blades 2 are driven to rotate by the driving motor 1, water entering the pressurizing cylinder 5 is extruded and discharged to increase the pressure of discharged water flow, three circles of conical spiral blades 2 are arranged on the central shaft 3, the spiral blade 2 close to the conical driving motor 1 is set as a first circle of blade, and the first circle of blade is the largest in size, the first circle is a water inlet helical blade 2 to enter the largest amount of water, the second circle pressurizes the entered water, the third circle is further pressurized and discharged under high pressure, a flow guide slot 7 with the same pitch and helix angle as the helical blade is arranged on the inner wall of the pressurizing cylinder 5, the flow velocity of the water in the pressurizing cylinder 5 is increased through the flow guide slot 7 to reduce the resistance, a fixing frame 8 is arranged on the outer side of the pressurizing cylinder 5, the fixing frame 8 is fixedly connected with the pressurizing cylinder 5 or the driving motor 1, the fixed connection between the boat and the propeller is realized through the fixing frame 8, two ends of the pressurizing cylinder 5 are respectively provided with an annular plate 9 bending towards the outer wall direction of the pressurizing cylinder 5, the pressurizing cylinder 5 is connected with a protective cover 4 through the annular plate 9, the annular plates 9 on two sides of the pressurizing cylinder 5 ensure that the water smoothly enters the pressurizing cylinder 5 and smoothly is discharged out of the pressurizing cylinder 5, and the influence of the resistance of the water on the propelling force is reduced, the outer wall of the pressure cylinder 5 is sleeved with a shell 10, two ends of the shell 10 are hermetically connected with the pressure cylinder 5, a damping cavity 11 is arranged between the shell 10 and the pressure cylinder 5, damping materials are arranged in the damping cavity 11, the vibration of the pressure cylinder 5 is reduced through the damping materials in the damping cavity 11, energy waste is avoided, a support frame 12 is arranged on the pressure cylinder 5, one end of the support frame 12 is connected with the pressure cylinder 5, the other end of the support frame 12 is connected with the driving motor 1 or a ship body, a dust screen 13 is arranged on the support frame 12, the support frame 12 is connected with the dust screen 13 to form an annular shield, the strength of the structure is increased through the combination of the support frame 12 and the dust screen 13, a guide assembly is arranged at the end part, far away from the driving motor 1, of the pressure cylinder 5, the guide assembly consists of a guide rod 14, a guide vane 15 and a guide rod support 16, and the, the guide rod support 16 is provided with a guide rod 14, the upper end of the guide rod 14 penetrates through the guide rod support 16 to be rotatably connected with the guide rod support 16, the lower end of the guide rod 14 penetrates through the guide rod support 16 to be connected with the guide vanes 15, the guide vanes 15 are plate-shaped and are vertically placed downwards, the guide vanes 15 are driven to rotate by rotating the guide rod 14, so that the direction of a ship body driven by the propeller is changed, the first circle, the second circle and the third circle of each spiral vane are 360 degrees and are a circle, the two central shaft supports can be arranged and are respectively arranged at two ends of the pressurizing cylinder, the central shaft is connected with the pressurizing cylinder through the central shaft support, the central shaft support can also be arranged at the outer side of the pressurizing cylinder, one end of the central shaft support is connected with the pressurizing cylinder, and the other end of the central shaft support is connected with a driving motor, so that.

When the invention is used, the propeller is connected with a ship body through the fixed frame 8, the pressurizing cylinder 5 is connected with the ship body or the driving motor 1 through the supporting frame 12, the driving motor 1 is opened, the power of the driving motor 1 is transmitted to the spiral blade 2 at the moment, the spiral blade 2 starts to rotate, water can be screwed into the pressurizing cylinder 5 of the open pressurizing cylinder 5 along the spiral direction in the rotating process, as the pressurizing cylinder 5 and the spiral blade 2 are both conical, the conicity of the pressurizing cylinder and the spiral blade is set to be in the range of 12-30 degrees, the spiral lead angle of the spiral blade is 10-20 degrees, the height difference ratio of the spiral fin is 3/5, the width of the diversion wire groove is 6mm, under the common action of the driving motor, the central shaft, the pressurizing cylinder and the spiral blade, the entering water is gradually pressurized, the potential energy is increased, when the water squeezed by the spiral blade 2 is discharged from the rear end of the pressurizing cylinder 5, just produced a forward thrust, a pressurization process has been accomplished, this thrust passes through mount 8 and conducts for the ship, promote the ship and go ahead, this propeller has utilized the water incompressible principle, under the unchangeable condition of former screw and mechanical power, can produce propulsion speed and power more than 3 times than original big, can the energy can be saved, increase the propulsion power and the speed of ship, the control ship of safety more freely, owing to change original screw structure into the toper pressurized canister 5 and the cooperation mode of toper helical blade of this patent, increased not only to the aquatic product production suction of pressurized canister 5 front end in the pressurized canister 5, and because the pressurization process of toper, the exhaust water has increased thrust, and has simple structure, the speed-raising is fast, the propulsion speed is fast, the propulsive force is big, advantages such as energy saving.

Claims

1. A ship pressurizing propeller is characterized by comprising a driving motor, a spiral blade, a central shaft support and a pressurizing cylinder, wherein an output shaft of the driving motor is connected with the central shaft, at least two circles of conical spiral blades are wound on the central shaft, the blade width of each spiral blade is gradually increased towards the driving motor, the pressurizing cylinder matched with the spiral blade is sleeved on the outer side of each spiral blade, the central shaft is connected with the pressurizing cylinder through the central shaft support, the central shaft and the spiral blades are driven to rotate through the driving motor, and water entering the pressurizing cylinder is extruded and discharged to increase the pressure of discharged water flow.

2. The pressurizing propeller as recited in claim 1, wherein said central shaft has three turns of conical helical blades, said helical blades adjacent to said driving motor are set to a first turn of blades, said first turn of blades has a maximum size, said first turn is a water inlet helical blade for introducing a maximum amount of water, said second turn pressurizes said introduced water, and said third turn is a further pressurized and high pressure discharge.

3. The pressurizing propeller as recited in claim 1, wherein the inner wall of the pressurizing cylinder is provided with a flow guiding slot having the same pitch and helix angle as the helical blades, and the flow velocity of the water in the pressurizing cylinder is increased by the flow guiding slot.

4. The boat pressurizing propeller as recited in claim 1, wherein a fixing frame is arranged outside the pressurizing cylinder, the fixing frame is fixedly connected with the pressurizing cylinder or the driving motor, and the boat is fixedly connected with the propeller through the fixing frame.

5. The boat pressurizing propeller as recited in claim 1, wherein the pressurizing cylinder has annular plates at both ends thereof, the annular plates being bent toward the outer wall of the pressurizing cylinder, the pressurizing cylinder being connected to the shield by the annular plates, the annular plates at both sides of the pressurizing cylinder ensuring smooth water entry into and exit from the pressurizing cylinder.

6. The pressurizing propeller as recited in claim 1, wherein the outer wall of the pressurizing cylinder is sleeved with a housing, the two ends of the housing are connected with the pressurizing cylinder in a sealing manner, a damping chamber is arranged between the housing and the pressurizing cylinder, damping material is arranged in the damping chamber, and the vibration of the pressurizing cylinder is reduced by the damping material in the damping chamber.

7. The boat pressurizing propeller as recited in claim 1, wherein the pressurizing cylinder is provided with a support frame, one end of the support frame is connected with the pressurizing cylinder, the other end of the support frame is connected with the driving motor or the boat body, the support frame is provided with a dust screen, and the support frame is connected with the dust screen to form an annular shield.

8. The boat pressurizing propeller as recited in claim 1, wherein a guide assembly is disposed at an end of the pressurizing cylinder away from the driving motor, the guide assembly comprises a guide rod, guide vanes and a guide rod support, the guide rod support is connected with the pressurizing cylinder, the guide rod support is provided with the guide rod, an upper end of the guide rod penetrates through the guide rod support and is rotatably connected with the guide rod support, a lower end of the guide rod penetrates through the guide rod support and is connected with the guide vanes, the guide vanes are plate-shaped and vertically arranged downwards, and the guide vanes are driven to rotate by rotating the guide rod, so that the water discharging direction of the propeller is changed.