CN119408679A - A water jet propulsion pump with adjustable blade angle - Google Patents
A water jet propulsion pump with adjustable blade angle Download PDFInfo
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- CN119408679A CN119408679A CN202411614588.XA CN202411614588A CN119408679A CN 119408679 A CN119408679 A CN 119408679A CN 202411614588 A CN202411614588 A CN 202411614588A CN 119408679 A CN119408679 A CN 119408679A
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- hub
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- movable outer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本发明提供了一种叶片角度可调节的喷水推进泵，包括主电机、固定导叶、外罩、叶片组件、可调轮毂组件和导流罩；所述外罩一侧设有固定导叶，所述主电机安装在固定导叶的一端，所述主电机与可调轮毂组件传动连接；所述叶片组件安装在可调轮毂组件的叶片底座上，所述叶片组件中包括驱动叶片旋转的驱动端；所述导流罩安装在可调轮毂的端部；所述可调轮毂组件中包括驱动叶片组件周边轮毂径向移动的机构，用于消除叶片旋转过程中轮毂的干涉。本发明通过对喷水推进泵轮毂整体结构的设计，叶片角度调节时，轮毂直径可配合收缩，避免叶片旋转时叶片根部与轮毂干涉的问题。
The present invention provides a water jet propulsion pump with adjustable blade angle, comprising a main motor, a fixed guide vane, an outer cover, a blade assembly, an adjustable hub assembly and a guide cover; a fixed guide vane is provided on one side of the outer cover, the main motor is installed at one end of the fixed guide vane, and the main motor is connected to the adjustable hub assembly in a transmission manner; the blade assembly is installed on the blade base of the adjustable hub assembly, and the blade assembly includes a driving end for driving the blade to rotate; the guide cover is installed at the end of the adjustable hub; the adjustable hub assembly includes a mechanism for driving the hub around the blade assembly to move radially, which is used to eliminate the interference of the hub during the rotation of the blade. The present invention designs the overall structure of the hub of the water jet propulsion pump, and when the blade angle is adjusted, the hub diameter can be contracted in a coordinated manner to avoid the problem of interference between the root of the blade and the hub when the blade rotates.
Description
Technical Field
The invention relates to the field of fluid machinery, in particular to a water jet propulsion pump with an adjustable blade angle.
Background
The water jet propulsion pump is used as a power source of a submarine, and has flexibility and controllability to effectively cope with various complex running environment conditions, in particular to a reverse mode. The traditional reverse mode is realized by forcing the outflow to force 180 degrees at the corner by means of a reverse bucket at the high-speed fluid at the outlet of the water jet propulsion pump. However, this mode generates significant impact loss, low energy conversion efficiency and poor handleability.
The reversing mode of the submarine can be realized by rotating the axial flow pump blade by 180 degrees and reversing the motor, and the water inlet of the pump can be changed into the water outlet. However, the shape of the root profile of the axial flow pump blade is a circular arc which is designed to be attached to the cylindrical hub, and the axial flow pump blade can interfere with the cylindrical hub when rotating, so that the realization of the function is limited, as shown in fig. 5.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the water jet propulsion pump with the adjustable blade angle, and the problem that the root of the blade interferes with the hub when the blade rotates is solved by designing the integral structure of the hub of the water jet propulsion pump and matching the diameter of the hub to shrink when the blade angle is adjusted; when the blades are adjusted in place, the diameters of the hubs can be matched and reset, so that the integrity of the flow channel is ensured.
The present invention achieves the above technical object by the following means.
A water jet propulsion pump with adjustable blade angle comprises a main motor, a fixed guide vane, an outer cover, a blade assembly, an adjustable hub assembly and a guide cover;
The adjustable hub assembly comprises a main motor, a blade assembly, a guide vane, a guide cover and an adjustable hub assembly, wherein the main motor is arranged at one end of the fixed guide vane, the main motor is in transmission connection with the adjustable hub assembly, the blade assembly is arranged on a blade base of the adjustable hub assembly and comprises a driving end for driving a blade to rotate, the guide cover is arranged at the end part of the adjustable hub, and the adjustable hub assembly comprises a mechanism for driving the hub around the blade assembly to move radially and is used for eliminating interference of the hub in the rotation process of the blade.
The adjustable hub assembly comprises a linear chute, a fixed outer disc, a blade base, a hub base, an actuating mechanism and movable outer discs, wherein the fixed outer disc and the movable outer discs are alternately distributed circumferentially to form a hub side wall, the hub base is positioned at the center of the hub side wall and is in transmission connection with a main motor, the fixed outer discs are connected with the hub base, the blade base is connected with the hub base, one end of the blade base penetrates through the movable outer discs, the hub base is provided with the linear chute corresponding to the movable outer discs, one end of each movable outer disc is movably arranged in one linear chute, and the actuating mechanism is connected with one end of each movable outer disc and is used for enabling the movable outer disc to move in the linear chute through driving the movable outer disc to move radially.
The actuating mechanism comprises a driving motor, a gear train, a second gear and a pin, wherein the second gear is supported on the hub base, the driving motor drives the second gear to rotate through the gear train, an arc chute opposite to the linear chute is arranged on the second gear, the pin penetrates through the arc chute and the linear chute to be connected with the movable outer disc, and the movable outer disc is enabled to radially move through rotation of the second gear.
The movable outer disc comprises a hub surface, a yielding hole and a sliding rod, wherein the yielding hole is formed in the center of the hub surface and is in clearance fit with the blade base, the sliding rod is arranged on one side of the hub surface and is positioned in the linear sliding groove, and one end of the sliding rod is connected with the actuating mechanism.
Further, before the driving end drives the blade to rotate 180, the actuating mechanism drives the movable outer disc to shrink in the radial direction, so that interference with the movable outer disc in the process of turning the blade is avoided.
The invention has the beneficial effects that:
1. According to the water jet propulsion pump with the adjustable blade angle, through the overall structural design of the hub of the water jet propulsion pump, the adjustable hub structure is designed, the problem that the blades interfere with the hub in the rotating process is avoided, the deflection of the blade angle by 180 degrees is realized, the inlet of the blade is changed into the outlet, the reversing mode of the water jet propulsion pump is further realized, and the adaptability of the water jet propulsion pump under different working conditions is greatly improved.
2. According to the water jet propulsion pump with the adjustable blade angle, after the blade angle is adjusted in place, the motor drives the hub to reset, so that the integrity of a flow passage of the pump in a working state is ensured, and the performance of the pump is not affected. Compared with a reversing mode realized by a traditional reversing bucket, the scheme provided by the invention reduces impact loss, and has higher energy conversion efficiency and stronger operability.
3. The water jet propulsion pump with the adjustable blade angle can realize 180-degree angle adjustment of the blade of the water jet propulsion pump on the premise of not damaging the integrity of a runner, so that a reverse mode of the water jet propulsion pump is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described, in which the drawings are some embodiments of the invention, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is an exploded view of a vane angle adjustable water jet propulsion pump according to the present invention.
FIG. 2 is an exploded view of the adjustable hub assembly of the present invention.
Fig. 3 is an axial view of a water jet propulsion pump according to the present invention.
FIG. 4 is a cross-sectional view of an adjustable hub assembly in accordance with the present invention.
FIG. 5 is a prior art interference diagram as a blade rotates.
Fig. 6 is a schematic view of a hub base structure according to the present invention.
FIG. 7 is a schematic view of a hub base mounting according to the present invention.
Fig. 8 is a schematic view of a gear pair according to the present invention.
Fig. 9 is a schematic view of a movable outer panel according to the present invention.
Fig. 10 is a schematic view of the installation of the movable outer disc according to the present invention.
Fig. 11 is a schematic view of the pin installation according to the present invention.
FIG. 12 is a schematic view of the movement of the adjustable hub assembly according to the present invention.
Fig. 13 is a schematic view of the operation mode of the water jet propulsion pump according to the present invention.
In the figure:
1-main motor, 2-fixed guide vane, 3-housing, 4-connecting section, 5-blade assembly, 6-adjustable hub assembly, 7-housing, 8-linear chute, 9-fixed outer disk, 10-blade base, 11-hub base, 113-yielding groove, 114-first screw hole, 116-motor shaft hole, 117-second screw hole, 118-third screw hole, 12-bearing, 13-driving motor, 14-first gear, 15-first motor nut, 16-second gear, 161-arc chute, 17-second motor nut, 18-pin, 19-movable outer disk, 191-hub surface, 192-yielding hole, 193-fourth screw hole, 194-slide bar.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, the water jet propulsion pump with the adjustable blade angle comprises a main motor 1, a fixed guide vane 2, a housing 3, a connecting section 4, a blade assembly 5, an adjustable hub assembly 6 and a guide cover 7, wherein the fixed guide vane 2 is arranged on one side of the housing 3, the fixed guide vane 2 and the housing 3 are welded into a whole and fixed on a ship body, the main motor 1 is arranged at one end of the fixed guide vane 2, the main motor 1 is in transmission connection with the adjustable hub assembly 6, the motor 1 is a power source for driving the adjustable hub assembly 6 to rotate, the connecting section 4 is fixed at the end of the fixed guide vane 2, the blade assembly 5 is arranged on a blade base 10 of the adjustable hub assembly 6, the blade assembly 5 comprises a driving end for driving a blade to rotate and is a core component of the water jet propulsion pump, the guide cover 7 is arranged at the end of the adjustable hub 6 and plays a role of guide, and the adjustable hub assembly 6 comprises a mechanism for driving the hub around the blade assembly 5 to radially move, so that interference of the hub in the rotation process of the blade is eliminated.
As shown in fig. 2, 3 and 4, the adjustable hub assembly 6 comprises a linear chute 8, a fixed outer disc 9, a blade base 10, a hub base 11, an actuating mechanism and a movable outer disc 19, wherein the fixed outer disc 9 and the movable outer disc 19 are alternately distributed circumferentially to form a hub side wall, the hub base 11 is positioned at the center of the hub side wall, the hub base 11 is in transmission connection with the main motor 1, a plurality of the fixed outer discs 9 are connected with the hub base 11, a plurality of the blade bases 10 are connected with the hub base 11, one end of the blade base 10 penetrates through the movable outer disc 19, the hub base 11 is provided with the linear chute 8 corresponding to the plurality of movable outer discs 19, one end of each movable outer disc 19 is movably arranged in one linear chute 8, and the actuating mechanism is connected with one end of the movable outer disc 19 and is used for enabling the movable outer disc 19 to move radially in the linear chute 8.
In the embodiment shown in fig. 6 and 7, the fixed outer discs 9 and the movable outer discs 19 have 4 fixed outer discs 9 and4 fixed outer discs 9 are respectively mounted on second screw holes 117 on the side surface of the hub base 11 through screws, 4 blade bases 10 are respectively mounted on third screw holes 118 on the side surface of the hub base 11 through screws, one end of each blade base 10 penetrates through the movable outer disc 19, and the linear sliding chute 8 is mounted on a first screw hole 114 of the hub base 11 through screws. One end of each movable outer disc 19 is movably arranged in one linear chute 8. The hub base 11 is provided with a motor shaft hole 116, and two planes on the motor shaft hole 116 are matched with a motor shaft to form a key-like transmission, so that torque can be transmitted.
As shown in fig. 8, the actuator comprises a driving motor 13, a gear train, a second gear 16 and a pin 18, wherein the second gear 16 is supported on the hub base 11 through a bearing 12, and the second gear 16 is positioned through a first motor nut 17. The driving motor 13 drives the second gear 16 to rotate through a gear train, an arc-shaped chute 161 opposite to the linear chute 8 is arranged on the second gear 16, the pin 18 passes through the arc-shaped chute 161 and the linear chute 8 to be connected with the movable outer disc 19, and the movable outer disc 19 is enabled to radially move through the rotation of the second gear 16. It can be seen that the radial displacement difference is provided at both ends of the arcuate chute 161 which allows the movable outer disc 19 to move radially. In the embodiment, the gear train is of a primary speed reducing structure, the second gear 16 and the first gear 14 form the primary speed reducing structure, and the first gear 14 is mounted on the driving motor 13 through a first motor nut 15.
As shown in fig. 9, 10 and 11, the movable outer disc 19 includes a hub surface 191, a yielding hole 192 and a sliding rod 194, the center of the hub surface 191 is provided with the yielding hole 192, the yielding hole 192 is in clearance fit with the blade base 10, the blade base 10 passes through the yielding hole 192, the outer diameter of the hub surface 191 is the outer diameter of the hub, and the hub surface 191 and the fixed outer disc 9 together form a complete hub when being opened in place. A sliding rod 194 is arranged on one side of the hub surface 191, the sliding rod 194 is positioned in the linear chute 8, a fourth screw hole 193 is formed in one end of the sliding rod 194, and one end of the sliding rod 194 is connected with the second gear 16 through a pin 18.
As shown in fig. 12 and 13, the operation is as follows:
The pin 18 and the movable outer disc 19 are connected into a whole, on one hand, the pin 18 can only move in the arc-shaped chute 161, on the other hand, the movable outer disc 19 can only move in the straight-line chute 8, so that the position of the pin 18 is always at the intersection point of the straight-line chute and the arc-shaped chute, the driving motor 13 drives the first gear 14 to rotate, and drives the second gear 16 and the arc-shaped chute 161 on the second gear to rotate through a gear pair, so that the pin 18 is driven to move along the radial direction, and finally, the radial movement of the movable outer disc 19 is driven.
When the blades are required to be adjusted by 180 degrees, the driving motor 13 drives the movable outer disc 19 to retract, interference with the movable outer disc 19 in the process of adjusting the angle of the blades is avoided, and when the blades are adjusted in place, the driving motor 13 drives the movable outer disc 19 to return, so that the integrity of a flow passage is ensured. After the blade angle is adjusted in place, the main motor 1 rotates reversely, so that the water inlet of the water jet propulsion pump is changed into a water outlet, and the reversing mode of the water jet propulsion pump is realized.
It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. The water jet propulsion pump with the adjustable blade angle is characterized by comprising a main motor (1), a fixed guide vane (2), an outer cover (3), a blade assembly (5), an adjustable hub assembly (6) and a guide cover (7);
The adjustable hub comprises a shell, a main motor (1), a blade assembly (5), a driving end, a guide cover (7) and a mechanism, wherein the fixed guide blade (2) is arranged on one side of the shell (3), the main motor (1) is arranged at one end of the fixed guide blade (2), the main motor (1) is in transmission connection with an adjustable hub assembly (6), the blade assembly (5) is arranged on a blade base (10) of the adjustable hub assembly (6), the blade assembly (5) comprises the driving end for driving a blade to rotate, the guide cover (7) is arranged at the end of the adjustable hub (6), and the adjustable hub assembly (6) comprises the mechanism for driving the hub around the blade assembly (5) to move radially and is used for eliminating interference of the hub in the rotation process of the blade.
2. The vane angle adjustable water jet propulsion pump according to claim 1, wherein the adjustable hub assembly (6) comprises a linear chute (8), a fixed outer disc (9), a vane base (10), a hub base (11), an actuating mechanism and movable outer discs (19), wherein the fixed outer discs (9) and the movable outer discs (19) are alternately distributed circumferentially to form a hub side wall, the hub base (11) is positioned at the center of the hub side wall, the hub base (11) is in transmission connection with a main motor (1), a plurality of the fixed outer discs (9) are connected with the hub base (11), a plurality of the vane bases (10) are connected with the hub base (11), one end of each vane base (10) penetrates through the movable outer disc (19), the hub base (11) is provided with the linear chute (8) corresponding to the plurality of movable outer discs (19), one end of each movable outer disc (19) is movably mounted in one linear chute (8), and the actuating mechanism is connected with one end of the movable outer disc (19) and is used for radially moving the movable outer disc (19) by driving the movable outer disc (19).
3. The vane angle adjustable water jet propulsion pump according to claim 2, wherein the actuating mechanism comprises a driving motor (13), a gear train, a second gear (16) and a pin (18), the second gear (16) is supported on the hub base (11), the driving motor (13) drives the second gear (16) to rotate through the gear train, an arc-shaped chute (161) opposite to the linear chute (8) is arranged on the second gear (16), and the pin (18) passes through the arc-shaped chute (161) and the linear chute (8) to be connected with the movable outer disc (19), and the movable outer disc (19) is radially moved by rotating through the second gear (16).
4. The vane angle adjustable water jet propulsion pump as claimed in claim 2, wherein the movable outer disc (19) comprises a hub surface (191), a yielding hole (192) and a sliding rod (194), the yielding hole (192) is arranged in the center of the hub surface (191), the yielding hole (192) is in clearance fit with the vane base (10), the sliding rod (194) is arranged on one side of the hub surface (191), the sliding rod (194) is located in the linear sliding groove (8), and one end of the sliding rod (194) is connected with the actuating mechanism.
5. The vane angle adjustable water jet propulsion pump as claimed in claim 2 wherein the actuator pre-drives the movable outer disc (19) to retract radially before the drive end drives the vanes 180 to rotate, avoiding interference with the movable outer disc (19) during vane overturning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411614588.XA CN119408679A (en) | 2024-11-13 | 2024-11-13 | A water jet propulsion pump with adjustable blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411614588.XA CN119408679A (en) | 2024-11-13 | 2024-11-13 | A water jet propulsion pump with adjustable blade angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119408679A true CN119408679A (en) | 2025-02-11 |
Family
ID=94472531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411614588.XA Pending CN119408679A (en) | 2024-11-13 | 2024-11-13 | A water jet propulsion pump with adjustable blade angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119408679A (en) |
-
2024
- 2024-11-13 CN CN202411614588.XA patent/CN119408679A/en active Pending
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