CN217456312U

CN217456312U - Marine water jet propulsion device

Info

Publication number: CN217456312U
Application number: CN202221518435.1U
Authority: CN
Inventors: 李建成; 杨军
Original assignee: Qingdao Xinghe Modern Ship Technology Co ltd
Current assignee: Qingdao Xinghe Modern Ship Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-20
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a marine water jet propulsion unit relates to water jet propulsion unit technical field, including the water jet propulsion unit body, the water spout is installed to the one end of water jet propulsion unit body, the other end of water jet propulsion unit body is provided with the culvert of intaking, the bottom fixed mounting of the culvert of intaking has the chassis, the bottom surface fixed mounting on chassis has the grid of intaking. The utility model discloses in, can filter the duct of intaking through mounting bracket and the branch spacer that sets up to avoid aquatic animal and swimming personnel to be inhaled into in the duct of intaking, improved the security, and simple structure, low cost, when needs are fallen the ship simultaneously, promote the tipping bucket motion of backing a car through the cylinder of backing a car, after the tipping bucket of backing a car blocks the water spout, can roll over to water spout spun rivers, and then realize the effect of backing a car, made things convenient for actual operation, and the utility model discloses do not have any device under the flat water of hull bottom, satisfy boats and ships draft and can pass through.

Description

Marine water jet propulsion device

Technical Field

The utility model relates to a water jet propulsion unit technical field especially relates to a marine water jet propulsion unit.

Background

The ship is at the in-process of marcing, generally need use water jet propulsion unit to act as the power supply, but present water jet propulsion unit inhales into the water duct easily with aquatic animal at present, causes aquatic animal injures and deaths, and serious can even inhale swimmer, and the security is relatively poor, needs to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a marine water jet propulsion device.

In order to realize the purpose, the utility model adopts the following technical scheme: the marine water jet propulsion device comprises a water jet propulsion device body, wherein a water spray nozzle is installed at one end of the water jet propulsion device body, a water inlet duct is arranged at the other end of the water jet propulsion device body, a chassis is fixedly installed at the bottom end of the water inlet duct, and a water inlet grating is fixedly installed on the bottom surface of the chassis.

In order to facilitate the maintenance, the utility model discloses the improvement has, the mouth of decontaminating is installed on the top of the culvert that intakes, the mouth of decontaminating is horn-shaped structure.

In order to facilitate the backing, the utility model discloses the improvement has, the surface of water jet propulsion unit body is close to water spout position department and rotates and be connected with the tipping bucket of backing a car.

In order to facilitate the backing, the utility model discloses the improvement has, the cylinder of backing a car is installed on the top of the tipping bucket of backing a car.

In order to improve the safety, the utility model discloses the improvement has, the grid that intakes includes the mounting bracket, mounting bracket fixed mounting is in the bottom surface on chassis, the inboard of mounting bracket is equipped with the branch spacer bar admittedly.

In order to further improve the safety, the utility model discloses the improvement has, the spacer bar is the equidistance at the inboard of mounting bracket and arranges.

Compared with the prior art, the utility model has the advantages and positive effects that,

in the utility model, the water inlet duct can be filtered through the mounting rack and the separating rod, thereby preventing aquatic animals and swimmers from being sucked into the water inlet duct, improving the safety, having simple structure and low cost, simultaneously pushing the reverse tipping bucket to move by the reverse cylinder when needing to reverse the boat, after the reversing tipping bucket blocks the water spray nozzle, the water flow sprayed by the water spray nozzle can be deflected, thereby realizing the reversing effect, facilitating the actual operation, in addition, the utility model has no device under the flat water of the ship bottom, thereby meeting the requirement that the ship can pass through the draft, the water nozzle of the utility model can also be in seamless butt joint with a fire monitor, is suitable for a marine fire-fighting ship and can also be used as amphibious equipment, thereby improving the universality, and through the arranged dirt cleaning port, the emergency that the propeller is wound due to the fishing net and the rope can be quickly dealt with.

Drawings

Fig. 1 is a schematic view of a marine water jet propulsion unit according to the present invention;

fig. 2 is a bottom view of the marine water jet propulsion system according to the present invention;

FIG. 3 is a top view of a marine water jet propulsion system according to the present invention;

fig. 4 is a side view of the present invention, which provides a marine water jet propulsion unit.

Illustration of the drawings:

1. a water jet propulsion unit body; 2. a water spray nozzle; 3. a chassis; 4. a water inlet grille; 401. a mounting frame; 402. a spacer bar; 5. a water inlet duct; 6. cleaning a sewage port; 7. backing and tipping; 8. a cylinder for backing a car.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a marine water jet propulsion device comprises a water jet propulsion device body 1, wherein one end of the water jet propulsion device body 1 is provided with a water nozzle 2, the water nozzle 2 can be in seamless butt joint with a fire monitor and is suitable for a marine fire-fighting ship and can also be used as amphibious equipment, the surface of the water jet propulsion device body 1 is rotatably connected with a backing tipping bucket 7 close to the water nozzle 2, the top end of the backing tipping bucket 7 is provided with a backing cylinder 8, when the ship needs to be backed, the backing tipping bucket 7 is pushed to move through the backing cylinder 8, after the backing tipping bucket 7 blocks the water nozzle 2, the water flow sprayed out of the water nozzle 2 can be deflected, so that the backing effect is realized, the other end of the water jet propulsion device body 1 is provided with a water inlet duct 5, the top end of the water inlet duct 5 is provided with a dirt cleaning port 6, the dirt cleaning port 6 is of a horn-shaped structure, and through the arranged dirt cleaning port 6, can deal with the emergency that the screw propeller is twined because of fishing net and rope lead to fast, the bottom fixed mounting of inlet duct 5 has chassis 3.

Referring to fig. 1 to 4, a water inlet grille 4 is fixedly installed on the bottom surface of a chassis 3, the water inlet grille 4 includes a mounting frame 401, the mounting frame 401 is fixedly installed on the bottom surface of the chassis 3, a separation rod 402 is fixedly installed on the inner side of the mounting frame 401, the mounting frame 401 and the separation rod 402 are arranged to filter a water inlet duct 5, so that aquatic animals and swimmers are prevented from being sucked into the water inlet duct 5, the safety is improved, and the separation rods 402 are equidistantly arranged on the inner side of the mounting frame 401.

The working principle is as follows: the inlet culvert 5 can be filtered by the installation of the mounting frame 401 and the separation rod 402, thereby preventing aquatic animals and swimmers from being sucked into the water inlet duct 5, improving the safety, having simple structure and low cost, simultaneously pushing the reverse tipping bucket 7 to move through the reverse cylinder 8 when needing to reverse the boat, after the reversing tipping bucket 7 blocks the water spray nozzle 2, the water flow sprayed out by the water spray nozzle 2 can be deflected, thereby realizing the effect of backing a car, facilitating the practical operation, and the utility model has no device under the flat water of the ship bottom, meeting the requirement that the draught of the ship can pass through, the water nozzle 2 in the utility model can also be in seamless butt joint with a fire monitor, is suitable for being used by a marine fire-fighting ship and can also be used as amphibious equipment, improves the universality, and through the arranged sewage cleaning port 6, the emergency that the propeller is wound due to the fishing net and the rope can be quickly dealt with.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A marine water jet propulsion unit, comprising a water jet propulsion unit body (1), characterized in that: the water spraying device is characterized in that a water spraying nozzle (2) is installed at one end of the water spraying propulsion device body (1), a water inlet duct (5) is arranged at the other end of the water spraying propulsion device body (1), a chassis (3) is fixedly installed at the bottom end of the water inlet duct (5), and a water inlet grating (4) is fixedly installed on the bottom surface of the chassis (3).

2. Marine water jet propulsion unit according to claim 1, characterized in that: the top end of the water inlet duct (5) is provided with a sewage cleaning port (6), and the sewage cleaning port (6) is of a horn-shaped structure.

3. Marine water jet propulsion unit according to claim 1, characterized in that: the surface of the water jet propulsion device body (1) is rotatably connected with a reversing tipping bucket (7) at a position close to the water nozzle (2).

4. A marine water jet propulsion device according to claim 3, characterised in that: and a reversing cylinder (8) is arranged at the top end of the reversing tipping bucket (7).

5. Marine water jet propulsion unit according to claim 1, characterized in that: the water inlet grille (4) comprises a mounting frame (401), the mounting frame (401) is fixedly mounted on the bottom surface of the chassis (3), and a separation rod (402) is fixedly mounted on the inner side of the mounting frame (401).

6. Marine water jet propulsion unit according to claim 5, characterised in that: the separating rods (402) are arranged at equal intervals on the inner side of the mounting frame (401).