CN221189047U - Propeller overload protection structure applied to underwater vehicle - Google Patents
Propeller overload protection structure applied to underwater vehicle Download PDFInfo
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- CN221189047U CN221189047U CN202323446848.0U CN202323446848U CN221189047U CN 221189047 U CN221189047 U CN 221189047U CN 202323446848 U CN202323446848 U CN 202323446848U CN 221189047 U CN221189047 U CN 221189047U
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The application belongs to the technical field of propeller equipment, and relates to a propeller overload protection structure applied to an underwater vehicle, which comprises a cabin tail section, a motor arranged at the cabin tail section, and a propeller, wherein a propeller shaft of the propeller is radially connected with a propeller hub of the propeller through a radial pin, and the propeller overload protection structure also comprises an elastic mechanism arranged at one side of the propeller shaft; when the screw propeller is subjected to foreign matter winding and locked, the load of the motor is increased, overload phenomenon occurs, the rear thrust borne by the screw propeller is increased, and then the thrust acts on the elastic mechanism, so that the clutch spring of the elastic mechanism is deformed, the deformation drives the position of the hub of the screw propeller to change, and the hub of the screw propeller and the radial pin are further separated from each other, so that the power transmission is cut off, the overload time of the motor is reduced, the purpose of protecting the motor is achieved, and abnormal operation of the screw propeller can be avoided, so that the screw propeller is protected from being damaged.
Description
Technical Field
The application belongs to the technical field of propeller equipment, and particularly relates to a propeller overload protection structure applied to an underwater vehicle.
Background
The propeller means a device for converting the rotational power of an engine into propulsive force by rotating blades in air or water, and may have two or more blades connected to a hub, the backward face of the blades being a helicoid or a propeller similar to the helicoid. Propellers are commonly used in the propulsion of underwater vehicles.
When the traditional propeller runs underwater, the phenomenon of locked rotor of the propeller is easy to occur due to foreign matter winding, and the phenomenon can cause overload of a motor.
Disclosure of utility model
In order to overcome the problems in the background art, the application provides a propeller overload protection structure applied to an underwater vehicle, and aims to solve the problem of motor overload caused by the phenomenon of locked rotor of a propeller.
In order to achieve the above purpose, the application is realized by the following technical scheme:
the utility model provides a be applied to screw overload protection structure of underwater vehicle, includes cabin tail section, sets up in the motor of cabin tail section to and screw, the propeller shaft of screw is through radial round pin and radial connection of the hub of screw, screw overload protection structure still include set up in elastic mechanism of propeller shaft one side;
The elastic mechanism comprises a stud, a clutch spring sleeved on the stud and a compression nut;
the tail end of the stud is in threaded connection with the compression nut, and the starting end of the stud is fixedly connected with the tail end of the propeller shaft of the propeller;
The clutch spring is fixed between the propeller shaft and the compression nut, and the hub and the radial pin are driven to be dislocated through deformation of the clutch spring, so that power transmission between the propeller shaft and the hub is interrupted.
Optionally, an output shaft of the motor is fixedly connected with a propeller shaft of the propeller through a coupler, and the motor is used for driving the propeller shaft to rotate.
Optionally, a slot hole for installing the elastic mechanism is formed in the tail of the propeller hub of the propeller, and the inner diameter of the slot hole is larger than the diameter of the clutch spring.
Optionally, a fixed plate is arranged between the compression nut and the clutch spring, one end of the clutch spring is fixedly connected with the fixed plate, and the other end of the clutch spring is fixedly connected with the end part of the slotted hole.
Optionally, a flat gasket is arranged between the compression nut and the fixing plate.
Optionally, the screw grooves are formed at the initial ends of the hub and the shaft, the screw grooves of the hub and the screw grooves of the shaft are in one-to-one correspondence, and a clamping groove for installing the radial pin is formed together.
Optionally, the horizontal axis of the paddle shaft coincides with the horizontal axis of the stud.
The application has the beneficial effects that: the motor drives the propeller to rotate so as to realize course operation of the aircraft, when the propeller is subjected to the phenomenon that foreign matter winding is blocked, the load of the motor is increased, overload phenomenon is generated, the back thrust borne by the propeller is increased, the back thrust acts on the elastic mechanism, the clutch spring of the elastic mechanism is deformed, the deformation drives the position of the hub of the propeller to change, and then the hub of the propeller is mutually separated from the radial pin, so that power transmission is cut off, the overload time of the motor is reduced, the aim of protecting the motor is fulfilled, and abnormal running of the propeller can be avoided so as to protect the propeller from being damaged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is an enlarged view of the spring mechanism of the present application;
Fig. 3 is a connection diagram of the propeller shaft and the hub of the propeller according to the present application.
In the figure, a cabin tail section 1, a motor 2, a propeller 3, an elastic mechanism 4, a radial pin 21, a slot hole 31, a slot 32, a stud 40, a clutch spring 41, a compression nut 42 and a fixing plate 421 are arranged.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically 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 formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention will be understood by those of ordinary skill in the art as the case may be.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
The foregoing description of the preferred embodiments of the present application is not intended to limit the application, but is intended to cover all modifications, equivalents, alternatives, and improvements falling within the spirit and principles of the application.
In order to make the objects, technical solutions and advantageous effects of the present application more apparent, preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
Embodiment one:
Referring to fig. 1 and 2, a propeller overload protection structure applied to an underwater vehicle comprises a cabin tail section 1, a motor 2 arranged on the cabin tail section 1, and a propeller 3, wherein a propeller shaft of the propeller 3 is radially connected with a propeller hub of the propeller 3 through a radial pin 21, and the propeller overload protection structure further comprises an elastic mechanism 4 arranged on one side of the propeller shaft;
The elastic mechanism 4 comprises a stud 40, a clutch spring 41 sleeved on the stud 40 and a compression nut 42;
The tail end of the stud 40 is in threaded connection with the compression nut 42, and the starting end of the stud 40 is fixedly connected with the tail end of the propeller shaft of the propeller 3;
the clutch spring 41 is fixed between the propeller shaft of the propeller 3 and the compression nut 42, and the hub and the radial pin 21 are driven to be separated from each other by deformation of the clutch spring 41, so that power transmission between the propeller shaft and the hub is interrupted.
At first, the motor 2 drives the propeller shaft of the propeller 3 to rotate, the propeller shaft of the propeller 3 drives the propeller hub and the propeller blades of the propeller 3 to rotate, when the propeller 3 is subjected to the blocking rotation caused by the winding of foreign matters, the load of the motor 2 is increased, the overload phenomenon occurs, the rear thrust borne by the propeller 3 is increased, the thrust is transmitted to the elastic mechanism 4 through the propeller hub of the propeller 3, the clutch spring 41 of the elastic mechanism 4 is compressed, the compressed clutch spring 41 drives the propeller hub of the propeller 3 to move in the horizontal direction, the relative positions of the propeller hub of the propeller 3 and the radial pins 21 are changed, so that the propeller hub and the propeller blades are separated from each other, the power transmission is interrupted, at the moment, the propeller shaft of the propeller 3 idles, the propeller hub and the propeller blades of the propeller 3 slowly stop rotating, the load of the motor is reduced, thereby realizing the overload protection effect, and at the same time, the abnormal running of the propeller 3 can be avoided, and the propeller 3 is protected from being damaged.
Embodiment two:
Referring to fig. 2 and 3, an output shaft of the motor 2 is fixedly connected with a propeller shaft of the propeller 3 through a coupling, and the motor 2 is used for driving the propeller shaft to rotate.
Because the output shaft of the motor 2 is connected with the propeller shaft of the propeller 3 through a coupling, the propeller shaft of the propeller 3 is radially connected with the propeller hub of the propeller 3 through a radial pin 21, when the output shaft of the motor 2 rotates, the power of the motor is transmitted to the propeller shaft of the propeller 3 through the coupling, so that the propeller shaft is driven to rotate, the torque of the propeller shaft acts on the propeller hub of the propeller 3 through the radial pin 21, so that the propeller hub is driven to rotate, and the propeller hub drives the propeller blades of the propeller 3 to rotate, so that the sailing operation of the aircraft is realized;
The tail of the propeller hub of the propeller 3 is provided with a slotted hole 31 for installing the elastic mechanism 4, and the inner diameter of the slotted hole 31 is larger than the diameter of the clutch spring 41.
The inner diameter of the slot hole 31 is larger than the diameter of the clutch spring 41 so as to ensure that friction is not formed between the clutch spring 41 and the wall of the slot hole 31 when the clutch spring 41 is deformed, thereby ensuring that the hub of the propeller 3 and the radial pin 21 are rapidly separated from each other when the locked-rotor phenomenon occurs, further cutting off power transmission in time, reducing the overload time of the motor 2 and achieving the purpose of protecting the motor 2.
A fixing plate 421 is disposed between the compression nut 42 and the clutch spring 41, one end of the clutch spring 41 is fixedly connected with the fixing plate 421, and the other end of the clutch spring 41 is fixedly connected with the end of the slot hole 31.
The fixing plate 421 is for fixing one end of the clutch spring 41.
When the hub of the propeller 3 is moved by the rear thrust, since one end of the clutch spring 41 is fixedly connected with the end of the slot hole 31, the rear thrust applied to the end of the slot hole 31 of the hub acts on the clutch spring 41 to deform the clutch spring 41, the deformation drives the hub of the propeller 3 to change in position, and since the stud 40 and the shaft of the propeller 3 are fixed in position, the radial pin 21 on the shaft of the propeller 3 and the hub of the propeller 3 are separated from each other, and at this time, the power transmission between the shaft of the propeller 3 and the hub of the propeller 3 is interrupted, so that the hub stops rotating, the shaft idles, and the load of the motor 2 is reduced.
A flat washer (not shown) is provided between the compression nut 42 and the fixing plate 421.
Since the compression nut 42 needs to be frequently removed or replaced, a flat washer is provided for protecting the surface of the fixing plate 421 from scratches.
Screw grooves are formed in the starting ends of the hub and the propeller shaft, the screw grooves of the hub and the screw grooves of the propeller shaft are in one-to-one correspondence, and clamping grooves 32 for mounting the radial pins 21 are formed together.
By mounting the radial pins 21 in the clamping grooves 32, the power of the propeller shaft can be transmitted to the hub, so that the movement of the propeller 3 is realized.
The installation mode of the screw overload protection structure is as follows: the radial pin 21 is clamped in the spiral clamping groove 32, then the compression nut in the hub tail groove hole 31 is screwed down, and finally the flat gasket and the clutch spring 41 are compressed in the groove hole 31.
The horizontal axis of the shaft coincides with the horizontal axis of the stud 40.
The paddle shaft and the stud 40 are coaxial, so that the distance between the stud 40 and the slot hole 31 in each direction is consistent, friction between one side of the clutch spring 41 sleeved on the stud 40 and the wall of the slot hole 31 is avoided, and the deformation speed of the clutch spring 41 is prevented from being slowed down due to friction.
In this embodiment, the faster the deformation speed of the clutch spring 41, the faster the separation speed of the radial pin 21 from the hub of the propeller 3, and thus the faster the power transmission interruption speed between the propeller shaft and the hub, so that the overload protection structure can protect the motor 2 faster when the overload phenomenon occurs in the motor 2.
In summary, the working process of the application is as follows: the motor 2 drives the propeller 3 to rotate so as to realize course operation of the aircraft, when the propeller 3 is subjected to foreign matter winding and locked rotation, the load of the motor 2 is increased, overload phenomenon occurs, the rear thrust borne by the propeller 3 is increased, and then the thrust acts on the elastic mechanism 4 to deform the clutch spring 41 of the elastic mechanism 4, and the deformation drives the position of the hub of the propeller 3 to change, so that the hub of the propeller 3 and the radial pin 21 are separated from each other, and the power transmission is cut off, so that the overload time of the motor 2 is reduced, the purpose of protecting the motor 2 is achieved, and abnormal operation of the propeller 3 can be avoided to protect the propeller 3 from being damaged.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the application, and that, although the application has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the application as defined by the appended claims; the size of the drawing is irrelevant to the specific real object, and the real object size can be changed arbitrarily.
Claims (7)
1. Be applied to screw overload protection structure of underwater vehicle, including cabin tail section (1), set up in motor (2) of cabin tail section (1) to and screw (3), the propeller shaft of screw (3) is through radial round pin (21) and the radial connection of the hub of screw (3), its characterized in that: the screw overload protection structure also comprises an elastic mechanism (4) arranged at one side of the screw shaft;
The elastic mechanism (4) comprises a stud (40), a clutch spring (41) sleeved on the stud (40) and a compression nut (42);
The tail end of the stud (40) is in threaded connection with the compression nut (42), and the starting end of the stud (40) is fixedly connected with the tail end of a propeller shaft of the propeller (3);
The clutch spring (41) is fixed between a propeller shaft of the propeller (3) and the compression nut (42), and the propeller hub and the radial pin (21) are driven to be separated from each other through deformation of the clutch spring (41), so that power transmission between the propeller shaft and the propeller hub is interrupted.
2. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: an output shaft of the motor (2) is fixedly connected with a propeller shaft of the propeller (3) through a coupler, and the motor (2) is used for driving the propeller shaft to rotate.
3. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: a slotted hole (31) for installing an elastic mechanism (4) is formed in the tail portion of a propeller hub of the propeller (3), and the inner diameter of the slotted hole (31) is larger than the diameter of the clutch spring (41).
4. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: a fixed plate (421) is arranged between the compression nut (42) and the clutch spring (41), one end of the clutch spring (41) is fixedly connected with the fixed plate (421), and the other end of the clutch spring (41) is fixedly connected with the end part of the slot hole (31).
5. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: a flat gasket is arranged between the compression nut (42) and the fixed plate (421).
6. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: screw grooves are formed in the starting ends of the propeller hub and the propeller shaft, the screw grooves of the propeller hub and the screw grooves of the propeller shaft are in one-to-one correspondence, and clamping grooves (32) for mounting radial pins (21) are formed together.
7. The propeller overload protection structure for an underwater vehicle as claimed in claim 1, wherein: the horizontal axis of the paddle shaft coincides with the horizontal axis of the stud (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323446848.0U CN221189047U (en) | 2023-12-18 | 2023-12-18 | Propeller overload protection structure applied to underwater vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323446848.0U CN221189047U (en) | 2023-12-18 | 2023-12-18 | Propeller overload protection structure applied to underwater vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221189047U true CN221189047U (en) | 2024-06-21 |
Family
ID=91529901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323446848.0U Active CN221189047U (en) | 2023-12-18 | 2023-12-18 | Propeller overload protection structure applied to underwater vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221189047U (en) |
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2023
- 2023-12-18 CN CN202323446848.0U patent/CN221189047U/en active Active
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