CN214138907U - Small-size water jet propulsion ware based on hydraulic pressure speed governing - Google Patents
Small-size water jet propulsion ware based on hydraulic pressure speed governing Download PDFInfo
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- CN214138907U CN214138907U CN202120056322.3U CN202120056322U CN214138907U CN 214138907 U CN214138907 U CN 214138907U CN 202120056322 U CN202120056322 U CN 202120056322U CN 214138907 U CN214138907 U CN 214138907U
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- water
- hydraulic
- speed control
- liquid distribution
- propeller
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Abstract
The utility model relates to a small-sized water-jet propeller based on hydraulic speed regulation, which comprises a water-jet propeller body, a speed control piece and a hydraulic cylinder; the speed control part is fixedly connected with a hydraulic rod of the hydraulic cylinder and provided with a liquid distribution bin with an opening at one end, the bottom of the liquid distribution bin is communicated with a plurality of liquid distribution pipes, each liquid distribution pipe is bent towards the opening direction of the liquid distribution bin, and the axis of the tail end of each liquid distribution pipe is parallel to the axis of the opening direction of the liquid distribution bin; the opening of the liquid separating bin is controlled by the hydraulic cylinder to be opposite to or separated from the water spraying opening of the water-jet propeller body. This propeller passes through hydraulic system for the speed regulation of hull, realizes that the motion of backing a car provides power, and the position of speed control piece is adjusted to the pneumatic cylinder, makes water jet propulsion body spun water change the rivers direction through the liquid distribution pipe of speed control piece, produces the resistance, can realize the powerful and stable regulation to water jet propulsion ware, and then carries out stable regulation to the speed when the hull moves ahead.
Description
Technical Field
The utility model belongs to the technical field of the boats and ships industry, specifically be a small-size water jet based on hydraulic pressure speed governing.
Background
Generally, a water jet propeller is installed on a civil small ship or a speedboat, and the water jet propeller works in a mode that a high-speed rotating propeller generates power to push the speedboat or a boat body to move forwards or backwards. The speed control of current propeller is the direct control motor rotational speed mostly, realizes the control to propeller rotational speed and just reversal, and then realizes the speed of hull, gos forward or retreat the control, but the stability of motor motion is relatively poor, often meets the unstable situation of speed, and the motor rotates simultaneously and can produce great vibration to the cabin, experiences relatively poorly to navigating mate or the people who takes boats and ships.
The application provides a small-size water jet propulsion ware based on hydraulic pressure speed governing, overcomes the unstability of motor speed governing through hydraulic control.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a small-size water jet based on hydraulic pressure speed governing.
The utility model provides a technical scheme that technical problem adopted is:
a small-sized water-jet propeller based on hydraulic speed regulation comprises a water-jet propeller body; the propeller is characterized by also comprising a speed control piece and a hydraulic cylinder; the speed control part is fixedly connected with a hydraulic rod of the hydraulic cylinder and provided with a liquid distribution bin with an opening at one end, the bottom of the liquid distribution bin is communicated with a plurality of liquid distribution pipes, each liquid distribution pipe is bent towards the opening direction of the liquid distribution bin, and the axis of the tail end of each liquid distribution pipe is parallel to the axis of the opening direction of the liquid distribution bin; the opening of the liquid separating bin is controlled by the hydraulic cylinder to be opposite to or separated from the water spraying opening of the water-jet propeller body.
The two sides of the opening end of the liquid separation bin are symmetrically provided with end lugs, the two end lugs are hinged with the water-jet propeller body, and the speed control piece can rotate up and down around the water-jet end of the water-jet propeller body under the driving of the hydraulic cylinder by taking the hinged point as a rotation center; the liquid separation bin is of a semi-wrapping structure, the surface of the liquid separation bin is streamline, the closed end face of the liquid separation bin is a vertical face, a cavity is formed inside the liquid separation bin, and the opening of the liquid separation bin is larger than the water spraying opening of the water-jet propeller body.
The propeller also comprises a hydraulic oil tank, a hydraulic pump, a three-position four-way reversing valve, a hydraulic cylinder, a speed control piece, a transmission shaft and a propeller; the output end of the hydraulic oil tank is connected with the input end of a hydraulic pump, and the output end of the hydraulic pump is respectively connected with the oil return end of the hydraulic oil tank and the oil inlet of the three-position four-way reversing valve; an oil return port of the three-position four-way reversing valve is connected with an oil return end of the hydraulic oil tank, and an oil outlet of the three-position four-way reversing valve is connected with an oil inlet of the hydraulic cylinder; the fixed end of the hydraulic cylinder is hinged on the water-jet propeller body, a hydraulic rod of the hydraulic cylinder is fixedly connected with a speed control piece, the speed control piece is positioned at the rear part of the water-jet propeller body, and the speed control piece can rotate relative to the water-jet propeller body; one end of the transmission shaft is connected with a main shaft of the external ship body, and the tail end of the transmission shaft is provided with a propeller.
The water-jet propeller body is of a hollow shell structure, and a tapered water-jet end extends out of the tail part of the shell structure; the propeller is positioned inside the shell structure; when the speed control piece is positioned at the horizontal position, the liquid separation bin is positioned right behind the water spraying end.
The bottom of the shell structure is provided with a filter screen.
Compared with the prior art, the beneficial effects of the utility model are that:
this application is through hydraulic system for the speed regulation of hull, realize that the motion of backing a car provides power, and the position of speed control piece is adjusted to the pneumatic cylinder makes water jet propulsion body spun water change the rivers direction through the liquid distribution pipe of speed control piece, produces the resistance, can realize the powerful and stable regulation to water jet propulsion ware, and then carries out stable regulation to the speed when the hull moves ahead. Hydraulic control's stability is high, has solved current water jet propulsion and has adopted motor drive's unstability, uncontrollable problem of speed governing, has improved the hull and has met the robustness of speed control under the adverse conditions such as velocity of flow torrent.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention at a viewing angle;
fig. 2 is a schematic view of the overall structure of the present invention at another viewing angle;
fig. 3 is a bottom view of the overall structure of the present invention;
fig. 4 is a schematic connection diagram of the water jet propeller body and the speed control member 8 according to the present invention;
fig. 5 is a partial cross-sectional view of the water jet of the present invention;
fig. 6 is a schematic structural view of the speed control member of the present invention;
in the figure: 1-a hydraulic oil tank; 2-a hydraulic pump; 3-a one-way valve; 4-a flow divider valve; 5-an overflow valve; 6-a three-position four-way reversing valve; 7-a hydraulic cylinder; 8-speed control; 9-water jet propeller body; 10-a universal joint; 11-a propeller; 12-a drive shaft; 13-a filter screen; 801-end ear; 802-liquid separating tube; 803-liquid separation chamber.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and is not intended to limit the scope of the present invention.
The utility model relates to a small-size water jet propulsion ware (for short, refer to the propeller, see fig. 1-6) based on hydraulic pressure speed governing, including hydraulic tank 1, hydraulic pump 2, check valve 3, overflow valve 5, tribit four-way reversing valve 6, pneumatic cylinder 7, speed control 8, water jet propulsion ware body 9, transmission shaft 12, screw 11 and flow divider 4;
the output end of the hydraulic oil tank 1 is connected with the input end of the hydraulic pump 2, and the output end of the hydraulic pump 2 is connected with the input end of the flow dividing valve 4 through the one-way valve 3; one output end of the flow divider valve 4 is connected with an oil return end of the hydraulic oil tank 1 through an overflow valve 5, and the other output end of the flow divider valve 4 is connected with an oil inlet of a three-position four-way reversing valve 6; an oil return port of the three-position four-way reversing valve 6 is connected with an oil return end of the hydraulic oil tank 1, and an oil outlet of the three-position four-way reversing valve 6 is connected with an oil inlet of the hydraulic cylinder 7; the fixed end of the hydraulic cylinder 7 is hinged on the water-jet propeller body 9, a hydraulic rod of the hydraulic cylinder 7 is fixedly connected with the speed control part 8, and the speed control part 8 is positioned at the rear part of the water-jet propeller body 9, so that the water sprayed by the water-jet propeller body 9 can enter the liquid separating bin 803 of the speed control part 8; both sides of one end of the speed control part 8 are connected with the water jet propeller body 9, and the speed control part 8 can rotate relative to the water jet propeller body 9;
one end of the transmission shaft 12 is connected with a main shaft of the outer ship body through a universal joint 10, a propeller 11 is installed at the tail end of the transmission shaft 12, the propeller 11 is located inside the water-jet propeller body 9, and the main shaft of the outer ship body drives the propeller 11 to rotate through the transmission shaft 12.
The speed control part 8 is provided with a liquid separating bin 803 with an opening at one end, end lugs 801 are symmetrically arranged on two sides of the opening end of the liquid separating bin 803, and the two end lugs are respectively hinged with the rear part of the water jet propeller body 9 through bearings; when the speed control member 8 is in the horizontal position, the liquid separation bin 803 of the speed control member 8 is positioned right behind the water spraying end of the water spraying propeller body 9; the bottom of the liquid separation bin 803 is provided with a plurality of liquid separation pipes 802 communicated with the liquid separation bin 803, and the liquid separation pipes 802 are bent towards the opening direction of the liquid separation bin 803, so that the axis of the tail end of the liquid separation pipe 802 is parallel to the opening direction of the liquid separation bin 803; when the speed control member 8 rotates to a position above the water-jet propeller body 9, water sprayed out of the water-jet propeller body 9 does not enter the liquid separation bin 803, and the ship body is in a full-speed forward state; when the speed control part 8 rotates until water sprayed out of the water-jet propeller body 9 enters the liquid separation bin 803 and passes through the liquid separation pipe 802, the water flow direction is opposite to the water spraying direction of the water-jet propeller body 9, resistance is generated by the water flow, and when the resistance is smaller than the thrust generated by the propeller, the ship body is in a speed-reducing advancing state; when the resistance generated by the water flow is equal to the thrust of the propeller, the ship body moves at a constant speed; when the resistance is larger than the thrust of the propeller, the ship body is in a reversing state; when the speed control member 8 rotates to the horizontal position, all the water sprayed out from the water-jet propeller body 9 enters the liquid separation bin 803, and the ship body is in a full-speed reversing state.
The water-jet propeller body 9 is of a hollow square shell structure, a tapered water-jet end extends out of the tail of the square shell, and the surface of the water-jet propeller body 9 is streamline, so that the resistance is reduced; the bottom of the square shell is provided with a filter screen 13, so that impurities such as aquatic weeds and the like can be filtered. The liquid separation bin is of a semi-wrapping structure, the surface of the liquid separation bin is streamline, the closed end face of the liquid separation bin is a vertical face, a cavity is formed inside the liquid separation bin, and the opening of the liquid separation bin is larger than the water spraying end of the water spraying propeller body 9.
The hydraulic cylinder 7 is a double-acting hydraulic cylinder.
The utility model discloses a theory of operation and work flow are:
the initial position of the speed control part 8 is positioned above the water-jet propeller body 9, water sprayed out of the water-jet propeller body 9 does not enter the liquid separating bin 803 of the speed control part 8, at the moment, the ship body is in a full-speed forward state, and the hydraulic system does not work; starting the hydraulic pump 2, opening the check valve 3, the overflow valve 5 and the flow dividing valve 14, when the three-position four-way reversing valve 6 is located at a first gear position, enabling the hydraulic cylinder 7 to enter a working feed state, enabling the hydraulic rod to gradually extend and drive the speed control member 8 to rotate relative to the water jet propeller body 9 and start to slowly descend, when water sprayed out of the water jet propeller body 9 enters a liquid dividing bin of the speed control member 8, the direction of water flow after passing through a liquid dividing pipe 802 is opposite to the water spraying direction of the water jet propeller body 9, resistance is generated, at the moment, the speed of the ship body starts to descend, and the speed of the ship body is reduced; when the resistance is equal to the thrust generated by the water-jet propeller body 9, the ship body moves at a constant speed, if the constant speed needs to be kept all the time, the three-position four-way reversing valve 6 is switched to be positioned at the second gear position, at the moment, the hydraulic oil pumped out by the hydraulic pump 2 can completely flow back to the hydraulic oil tank 1 through the overflow valve 5, no oil is supplied to the hydraulic cylinder 7, and the length of a hydraulic rod of the hydraulic cylinder 7 is kept unchanged; if the hydraulic rod of the hydraulic cylinder 7 needs to be extended continuously, the three-position four-way reversing valve 6 is switched to be located at the first gear, the speed control piece 8 continues to descend, when the resistance is larger than the thrust generated by the water-jet propeller body 9, the ship body is in a reversing state, when the speed control piece 8 descends to the horizontal position, all water sprayed by the water-jet propeller body 9 enters a liquid separating bin of the speed control piece 8, flows out after passing through a liquid separating pipe 802, the ship body is in a full-speed reversing state at this moment, and if the full-speed reversing state is kept all the time, the three-position four-way reversing valve 6 is switched to be located at the second gear;
when the hydraulic rod of the hydraulic cylinder 7 is required to be contracted, the three-position four-way reversing valve 6 is switched to be positioned at the third gear, and the speed control part 8 is gradually lifted upwards to realize the actions of decelerating, backing up or accelerating to move forwards; the rotating speed of the propeller 11, the states of the hydraulic pump, the check valve and the flow dividing valve are kept unchanged in the whole process.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (5)
1. A small-sized water-jet propeller based on hydraulic speed regulation comprises a water-jet propeller body; the propeller is characterized by also comprising a speed control piece and a hydraulic cylinder; the speed control part is fixedly connected with a hydraulic rod of the hydraulic cylinder and provided with a liquid distribution bin with an opening at one end, the bottom of the liquid distribution bin is communicated with a plurality of liquid distribution pipes, each liquid distribution pipe is bent towards the opening direction of the liquid distribution bin, and the axis of the tail end of each liquid distribution pipe is parallel to the axis of the opening direction of the liquid distribution bin; the opening of the liquid separating bin is controlled by the hydraulic cylinder to be opposite to or separated from the water spraying opening of the water-jet propeller body.
2. The small hydraulic speed regulation-based water jet propeller as claimed in claim 1, wherein end lugs are symmetrically arranged on two sides of the opening end of the liquid separation bin, the two end lugs are used for being hinged with the water jet propeller body, and the speed control piece can rotate up and down around the water jet end of the water jet propeller body under the driving of a hydraulic cylinder by taking the hinged point as a rotation center; the liquid separation bin is of a semi-wrapping structure, the surface of the liquid separation bin is streamline, the closed end face of the liquid separation bin is a vertical face, a cavity is formed inside the liquid separation bin, and the opening of the liquid separation bin is larger than the water spraying opening of the water-jet propeller body.
3. The small hydraulic speed regulation-based water jet propeller of claim 1, wherein the propeller further comprises a hydraulic oil tank, a hydraulic pump, a three-position four-way reversing valve, a hydraulic cylinder, a speed control member, a transmission shaft and a propeller;
the output end of the hydraulic oil tank is connected with the input end of a hydraulic pump, and the output end of the hydraulic pump is respectively connected with the oil return end of the hydraulic oil tank and the oil inlet of the three-position four-way reversing valve; an oil return port of the three-position four-way reversing valve is connected with an oil return end of the hydraulic oil tank, and an oil outlet of the three-position four-way reversing valve is connected with an oil inlet of the hydraulic cylinder; the fixed end of the hydraulic cylinder is hinged on the water-jet propeller body, a hydraulic rod of the hydraulic cylinder is fixedly connected with a speed control piece, the speed control piece is positioned at the rear part of the water-jet propeller body, and the speed control piece can rotate relative to the water-jet propeller body; one end of the transmission shaft is connected with a main shaft of the external ship body, and the tail end of the transmission shaft is provided with a propeller.
4. The small hydraulic speed regulation-based water jet propeller as recited in claim 1, wherein the water jet propeller body is a hollow shell structure, and a tapered water jet end extends from the tail of the shell structure; the propeller is positioned inside the shell structure; when the speed control piece is positioned at the horizontal position, the liquid separation bin is positioned right behind the water spraying end.
5. The small hydraulic speed regulation-based water jet propeller as recited in claim 4, wherein the bottom of the shell structure is provided with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120056322.3U CN214138907U (en) | 2021-01-11 | 2021-01-11 | Small-size water jet propulsion ware based on hydraulic pressure speed governing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120056322.3U CN214138907U (en) | 2021-01-11 | 2021-01-11 | Small-size water jet propulsion ware based on hydraulic pressure speed governing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214138907U true CN214138907U (en) | 2021-09-07 |
Family
ID=77547094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120056322.3U Expired - Fee Related CN214138907U (en) | 2021-01-11 | 2021-01-11 | Small-size water jet propulsion ware based on hydraulic pressure speed governing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214138907U (en) |
-
2021
- 2021-01-11 CN CN202120056322.3U patent/CN214138907U/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: 20210907 Termination date: 20220111 |