CN215399280U - Water jet based on direct-drive type multistage supercharging structure - Google Patents
Water jet based on direct-drive type multistage supercharging structure Download PDFInfo
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- CN215399280U CN215399280U CN202120320695.7U CN202120320695U CN215399280U CN 215399280 U CN215399280 U CN 215399280U CN 202120320695 U CN202120320695 U CN 202120320695U CN 215399280 U CN215399280 U CN 215399280U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000007921 spray Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a water-jet propeller based on a direct-drive multistage supercharging structure, which comprises a main body shell serving as a water flow channel, and a turbine, a waterproof motor and a supercharging paddle which are arranged in the main body shell, wherein one end of the main body shell is provided with a water inlet, and the other end of the main body shell is provided with a water spray nozzle; the waterproof motor is a long and thin shaft type motor, the shaft type motor comprises a stator shaft and a rotor shell which are matched with each other, two ends of the stator shaft are respectively installed on a support arranged at the water inlet and the water jet through revolute pairs, and the turbine and the pressurizing paddle are sequentially and coaxially installed on the stator shell. The utility model can improve the power density of the device through the structure, improve the energy utilization rate of the device and realize more energy-saving and efficient propulsion.
Description
Technical Field
The utility model belongs to the field of marine equipment, relates to a propeller, and particularly relates to a water-jet propeller based on a direct-drive multistage supercharging structure.
Background
A propeller is a device on a vessel that generates kinetic energy. The propeller is the most common propeller, and the propeller is arranged on a propulsion shaft below a waterline at the tail part of the boat, and the propulsion shaft is driven by a main machine to rotate together, so that water is sucked from a suction surface of a blade and discharged from a discharge surface, and the boat is pushed to advance by using the reaction force of the water. The traditional propeller needs a main shaft with excellent mechanical property, has extremely high requirements on the manufacturing process of the main shaft, has lower transmission efficiency of the mechanical main shaft, and can cause serious environmental pollution problem by using a large amount of oily lubricant.
In recent years, a water jet propeller is emerging. The water jet propeller is a propeller in which the jet part of the propulsion mechanism is immersed in water and the reaction force generated by the jet water flow is used to drive the ship to advance. The water pump, the pipeline, the suction port, the nozzle and the like are used for the middle and high-speed ships such as the planing boat, the wave-penetrating boat, the hydrofoil boat, the hovercraft and the like, and have the advantages of shallow draft, good passing performance in a complex water area, simple transmission mechanism, small accessory resistance and the like. However, the traditional water jet propulsion system still has the defects of complex mechanical transmission mechanism, low transmission efficiency, low power density and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides a water-jet propeller designed based on a direct-drive type multistage supercharging structure, and improves the power density and the transmission efficiency of the water-jet propeller.
The purpose of the utility model is realized as follows:
the utility model provides a water jet propulsion ware based on direct-drive formula multistage pressure boost structure which characterized in that: the water-saving device comprises a main body shell serving as a water flow channel, and a turbine, a waterproof motor and a pressurizing paddle which are arranged in the main body shell, wherein one end of the main body shell is provided with a water inlet, and the other end of the main body shell is provided with a water jet; the waterproof motor is a long and thin shaft type motor, the shaft type motor comprises a stator shaft and a rotor shell which are matched with each other, two ends of the stator shaft are respectively installed on a support arranged at the water inlet and the water jet through revolute pairs, and the turbine and the pressurizing paddle are sequentially and coaxially installed on the stator shell.
As an improvement, the water inlet is arranged on a fence which prevents foreign matters from entering the interior of the propeller.
As an improvement, the water spray nozzle is provided with a drainage ring based on the coanda effect.
As an improvement, the supercharging propeller is a spiral supercharging propeller.
As an improvement, two ends of the stator shaft are respectively arranged on a bracket arranged at the water inlet and the water jet through thrust bearings.
As an improvement, the appearance of the main body shell is a streamline shape with a large middle and two small ends.
Compared with the prior art, the utility model has the beneficial effects that:
1) the structural design of water inlet can play the effect of fixed motor on the one hand, thereby the fence structure of on the other hand design can prevent that the foreign matter from getting into the inside effect that plays the protection propeller of propeller.
2) The multistage supercharging structure composed of the turbine and the supercharging paddle can improve the power utilization rate of the motor and the power density of the water-jet propeller, and meanwhile, the multistage supercharging structure is directly driven by the waterproof motor, so that a shafting transmission structure is omitted, the power loss in the transmission process is avoided, and the efficiency of the device can be improved.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a partial sectional structural schematic diagram of a water jet propeller based on a direct-drive multi-stage supercharging structure.
Fig. 2 is a schematic view of the installation relationship of a waterproof motor, a turbine and a pressurizing paddle.
Fig. 3 is a schematic structural view of a waterproof motor.
In the figure: 1-water inlet, 2-main body shell, 3-water jet, 4-turbine, 5-waterproof motor, 51-stator shaft, 52-rotor shell, 6-pressurizing paddle, 7-thrust bearing, 8-bracket, 9-fixing part, 10-lead hole, 11-fence and 12-lead ring.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, a water jet based on a direct drive type multistage supercharging structure comprises a main body housing 2, a turbine 4, a waterproof motor 5 and a supercharging paddle 6, wherein the turbine 4, the waterproof motor 5 and the supercharging paddle 6 are installed in the main body housing 2, a water channel is arranged in the main body housing 2, the inner shape and the outer shape of the water channel are consistent, one end of the main body housing 2 is a water inlet 1, the other end of the main body housing 2 is a water spray port 3, and the water inlet 1 and the water spray port 3 of the main body housing 2 are respectively provided with a support 8; waterproof motor 5 is long and thin axle type motor, and axle type motor is including stator shaft 51 and the rotor housing 52 of mutually supporting the installation, stator shaft 51 both ends are installed on the support 8 of locating water inlet 1 and water jet 3 through thrust bearing 7 respectively, turbine 4 and pressure boost oar 6 coaxial fixed mounting in proper order are on stator housing, and wherein turbine 4 is close to water inlet 1 one end.
The water inlet 1 is arranged on a fence for preventing foreign matters from entering the propeller, the water spraying port 3 is provided with a drainage ring 12 based on the coanda effect, and the pressurizing paddle 6 is a spiral pressurizing paddle 6. The main body casing 2 is in a streamline shape with a large middle and two small ends, the two ends of the main body casing 2 are in an asymmetric structure as a whole, and the maximum diameter is the position close to the water inlet 11/3.
In this embodiment, a fixing portion 9 for being mounted on the hull is further disposed on the main body casing 2, a lead hole 10 leading into the main body casing 2 is disposed in the middle of the fixing portion 9, the electric wire passes through the lead hole 10 and then is connected to a wiring port of the waterproof motor 5, the wiring port of the waterproof motor 5 is generally disposed on the stator shaft 51, the prior art is specifically adopted, and detailed description is omitted in this embodiment.
The turbine 4 and the pressurizing paddle 6 are sequentially fixed on the rotor shell 52 of the waterproof motor 5, so that the power of the waterproof motor 5 can be fully output, and the power density of the device is improved. And the turbine 4 and the supercharging paddle 6 are fixed on the motor rotor, and a transmission mechanism is not arranged between the turbine 4 and the supercharging paddle, so that the transmission efficiency of the device is improved, and the power loss caused by transmission is avoided.
As shown in fig. 3, the schematic structure of the waterproof motor 5 is shown, the main structure of the waterproof motor includes a stator shaft 51 and a rotor housing 52 that are installed in cooperation with each other, and for the prior art, a submersible motor developed by the department of submersible motor technology in the field of tianjin ott pump industry can be specifically used.
After the waterproof motor 5 is electrified, the waterproof motor 5 directly drives the turbine 4 fixedly installed on the rotor shell 52 and the pressurizing paddle 6 to rotate, and the power is sequentially provided, water flows in from the water inlet 1, does work through the turbine 4 and the pressurizing paddle 6 and accelerates, and flows out from the water jet 3 to generate jet flow so as to provide thrust.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the utility model. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (6)
1. The utility model provides a water jet propulsion ware based on direct-drive formula multistage pressure boost structure which characterized in that: the water-saving device comprises a main body shell serving as a water flow channel, and a turbine, a waterproof motor and a pressurizing paddle which are arranged in the main body shell, wherein one end of the main body shell is provided with a water inlet, and the other end of the main body shell is provided with a water jet; the waterproof motor is a long and thin shaft type motor, the shaft type motor comprises a stator shaft and a rotor shell which are matched with each other, two ends of the stator shaft are respectively installed on a support arranged at the water inlet and the water jet through revolute pairs, and the turbine and the pressurizing paddle are sequentially and coaxially installed on the stator shell.
2. The water jet propeller based on the direct-drive type multistage supercharging structure as claimed in claim 1, wherein: the water inlet is arranged on a fence which prevents foreign matters from entering the interior of the propeller.
3. The water jet propeller based on the direct-drive type multistage supercharging structure as claimed in claim 1, wherein: the water jet is provided with a drainage ring based on the coanda effect.
4. The water jet propeller based on the direct-drive type multistage supercharging structure as claimed in claim 1, wherein: the supercharging propeller is a spiral supercharging propeller.
5. The water jet propeller based on the direct-drive type multistage supercharging structure as claimed in claim 1, wherein: and two ends of the stator shaft are respectively arranged on a bracket arranged at the water inlet and the water spray nozzle through thrust bearings.
6. The water jet propeller based on the direct-drive type multistage supercharging structure as claimed in claim 1, wherein: the main body shell is in a streamline shape with a large middle and two small ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320695.7U CN215399280U (en) | 2021-02-04 | 2021-02-04 | Water jet based on direct-drive type multistage supercharging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120320695.7U CN215399280U (en) | 2021-02-04 | 2021-02-04 | Water jet based on direct-drive type multistage supercharging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215399280U true CN215399280U (en) | 2022-01-04 |
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ID=79666632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120320695.7U Expired - Fee Related CN215399280U (en) | 2021-02-04 | 2021-02-04 | Water jet based on direct-drive type multistage supercharging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215399280U (en) |
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2021
- 2021-02-04 CN CN202120320695.7U patent/CN215399280U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |