CN216945656U - Power-off locking system for mooring box cable - Google Patents
Power-off locking system for mooring box cable Download PDFInfo
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- CN216945656U CN216945656U CN202220830357.2U CN202220830357U CN216945656U CN 216945656 U CN216945656 U CN 216945656U CN 202220830357 U CN202220830357 U CN 202220830357U CN 216945656 U CN216945656 U CN 216945656U
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- guide rod
- elastic piece
- friction plate
- locking wheel
- electromagnet
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Abstract
The embodiment of the utility model provides a power-off locking system for a cable of a mooring box. When the power-on state is achieved, the electromagnet generates electromagnetic force and adsorbs the magnetic attraction part on the surface of the electromagnet, the magnetic attraction part drives the guide rod connected with the magnetic attraction part, the guide rod overcomes the elastic force of the elastic piece, the elastic piece is compressed, the friction plate on the other end of the guide rod is far away from the locking wheel on the shaft, and the shaft can freely rotate in the power-on state. When the outage happens, the electromagnet is not powered off and does not generate magnetic force, the guide rod slides towards the direction of the shaft under the action of elastic force of the elastic piece, so that the friction plate abuts against the locking wheel tightly, the free rotation of the shaft can be limited under the outage state, and the technical problem that a cable is loose on the winding drum after the outage due to the fact that the winding drum part of the traditional mooring box can rotate freely after the outage is solved.
Description
Technical Field
The utility model relates to the field of unmanned aerial vehicles, in particular to a power-off locking system for a mooring box cable.
Background
Most of the conventional mooring systems are single power supply systems, wherein power is supplied from a ground end, namely a mooring box, and cables are collected in a reel part in the mooring box. The winding drum part is driven by the servo motor, and the servo motor has the defect that the winding drum part can rotate freely after power failure, so that the winding drum part can rotate freely after power failure, a cable is loosened on the winding drum after power failure, and the cable is knotted when the winding drum is used next time, so that the normal use of the captive airplane is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power-off locking system for a cable of a mooring box, which is used for solving the technical problem that the cable is loosened on a winding drum after power failure due to the fact that a winding drum part of the traditional mooring box can freely rotate after power failure.
In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a tie down box cable power down locking system comprising:
a base plate;
a sleeve portion fixed to the base plate, an installation space being provided between the sleeve portion and the base plate;
the electromagnet is arranged in the installation space;
the guide rod is in sliding fit in the sleeve part, one end of the guide rod is connected with a magnetic part, and the magnetic part is matched with the electromagnet; the other end of the guide rod is connected with a friction plate;
the elastic piece is sleeved on the guide rod, one end of the elastic piece is connected with the sleeve part, the other end of the elastic piece is connected with one side, close to the friction plate, of the guide rod, and the elastic piece is in a compressed state;
the locking wheel is arranged on a shaft to be locked, and is matched with the friction plate;
the elastic piece gives the friction disc an elastic force towards the direction of the locking wheel, and the electromagnet gives the magnetic suction part a magnetic suction force towards the direction away from the locking wheel.
In one embodiment, the surface of the locking wheel is a cylindrical surface, and the surface of the friction plate, which is in contact with the locking wheel, is a concave cylindrical surface.
In one embodiment, a tooth-shaped structure is arranged on the surface of the friction sheet in contact fit with the locking wheel.
In one embodiment, the sleeve portion is an oilless bushing.
In one embodiment, the magnetic part is a magnetic iron sheet.
In one embodiment, the resilient member is a spring.
One or more technical solutions described above in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the utility model provides a power-off locking system for a mooring box cable. When the power-on state is achieved, the electromagnet generates electromagnetic force and adsorbs the magnetic attraction part on the surface of the electromagnet, the magnetic attraction part drives the guide rod connected with the magnetic attraction part, the guide rod overcomes the elastic force of the elastic piece, the elastic piece is compressed, the friction plate on the other end of the guide rod is far away from the locking wheel on the shaft, and the shaft can freely rotate in the power-on state. When the outage happens, the electromagnet is not powered off and does not generate magnetic force, the guide rod slides towards the direction of the shaft under the action of elastic force of the elastic piece, so that the friction plate abuts against the locking wheel tightly, the free rotation of the shaft can be limited under the outage state, and the technical problem that a cable is loose on the winding drum after the outage due to the fact that the winding drum part of the traditional mooring box can rotate freely after the outage is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a system for locking a cable of a mooring box in a power-on state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mooring box cable power-off locking system provided in an embodiment of the present invention in a power-off state.
Wherein the respective reference numerals are as follows:
1. a base plate; 2. a sleeve portion; 3. an electromagnet; 4. a guide bar; 5. an elastic member; 6. a locking wheel; 7. a magnetic part; 8. a friction plate; 9. a shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 2, an embodiment of the present application provides a system for locking a cable of a mooring box in a power failure mode, which includes a base plate 1, a sleeve portion 2 (the sleeve portion 2 may be an oilless bushing), an electromagnet 3, a locking wheel 6, an elastic member 5 (the elastic member 5 may be a device with elastic force, such as a spring, a leaf spring, etc.), and a guide rod 4. The sleeve portion 2 is fixed to the base plate 1, and an installation space is provided between the sleeve portion 2 and the base plate 1. The electromagnet 3 is arranged in the installation space. The guide rod 4 is in sliding fit in the sleeve part 2, one end of the guide rod 4 is connected with a magnetic part 7 (the magnetic part 7 can be a magnetic iron sheet), and the magnetic part 7 is matched with the electromagnet 3; the other end of the guide rod 4 is connected with a friction plate 8. The elastic piece 5 is sleeved on the guide rod 4, one end of the elastic piece 5 is connected with the sleeve portion 2, the other end of the elastic piece 5 is connected with one side, close to the friction plate 8, of the guide rod 4, and the elastic piece 5 is in a compressed state. The locking wheel 6 is arranged on a shaft 9 to be locked, and the locking wheel 6 is matched with a friction plate 8. The elastic member 5 gives the friction plate 8 an elastic force in a direction toward the lock wheel 6, and the electromagnet 3 gives the magnetic attraction force in a direction away from the lock wheel 6 to the magnetic attraction part 7.
The embodiment provides a mooring box cable outage locking system. When the power-on state is achieved, the electromagnet 3 generates electromagnetic force and enables the magnetic absorption portion 7 to be adsorbed on the surface of the electromagnet 3, the magnetic absorption portion 7 drives the guide rod 4 connected with the electromagnet, the guide rod 4 overcomes the elastic force of the elastic piece 5, the elastic piece 5 is compressed, the friction piece 8 on the other end of the guide rod 4 is far away from the locking wheel 6 on the shaft 9, and then the shaft 9 can rotate freely in the power-on state. When the power failure occurs, the electromagnet 3 is powered off and does not generate magnetic force, the guide rod 4 slides towards the direction of the shaft 9 under the action of the elastic force of the elastic piece 5, the friction plate 8 abuts against the locking wheel 6 tightly, the shaft 9 can be limited to rotate freely in the power failure state, and the technical problem that the cable is loose on the winding drum after the power failure due to the fact that the winding drum part of the traditional mooring box can rotate freely after the power failure is solved.
In one embodiment, the surface of the lock wheel 6 is a cylindrical surface, and the surface of the friction plate 8, which is in contact with the lock wheel 6, is a concave cylindrical surface. Through setting up locking wheel 6 surface to the face of cylinder to set up the face that friction disc 8 and locking wheel 6 contacted to the face of indent cylinder, make when friction disc 8 and locking wheel 6 contact fit, the area of contact between friction disc 8 and the locking wheel 6 is bigger, reduces to produce pressure between friction disc 8 and the locking wheel 6 in the unit area, and then reduces the wearing and tearing speed of friction disc 8 and locking wheel 6, improves the life of friction disc 8 and locking wheel 6.
In one embodiment, the friction plate 8 is provided with a tooth structure on the surface which is in contact fit with the locking wheel 6. By arranging the tooth-shaped structure on the surface of the friction plate 8 in contact fit with the locking wheel 6, the friction force between the friction plate 8 and the locking wheel 6 is improved, so that when the locking wheel is in a power-off state, the friction plate 8 can give larger friction force to the locking wheel 6, and the shaft 9 is kept in a static state.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A tie down box cable power down locking system, comprising:
a base plate;
a sleeve portion fixed to the base plate, an installation space being provided between the sleeve portion and the base plate;
the electromagnet is arranged in the installation space;
the guide rod is in sliding fit in the sleeve part, one end of the guide rod is connected with a magnetic part, and the magnetic part is matched with the electromagnet; the other end of the guide rod is connected with a friction plate;
the elastic piece is sleeved on the guide rod, one end of the elastic piece is connected with the sleeve part, the other end of the elastic piece is connected with one side, close to the friction plate, of the guide rod, and the elastic piece is in a compressed state;
the locking wheel is arranged on a shaft to be locked, and is matched with the friction plate;
the elastic piece gives the friction plate an elastic force towards the direction of the locking wheel, and the electromagnet gives the magnetic attraction part a magnetic attraction force towards the direction far away from the locking wheel.
2. The tie down box cable power-off locking system of claim 1, wherein:
the surface of the locking wheel is a cylindrical surface, and the surface of the friction plate, which is in contact with the locking wheel, is a concave cylindrical surface.
3. The tie down box cable power-off locking system of claim 1, wherein:
and a tooth-shaped structure is arranged on the surface of the friction plate, which is in contact fit with the locking wheel.
4. The tie down box cable power-off locking system of claim 1, wherein:
the sleeve portion is an oilless bushing.
5. The tie down box cable power-off locking system of claim 1, wherein:
the magnetic part is a magnetic iron sheet.
6. The tie down box cable power-off locking system of claim 1, wherein:
the elastic piece is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830357.2U CN216945656U (en) | 2022-04-11 | 2022-04-11 | Power-off locking system for mooring box cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830357.2U CN216945656U (en) | 2022-04-11 | 2022-04-11 | Power-off locking system for mooring box cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216945656U true CN216945656U (en) | 2022-07-12 |
Family
ID=82301365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220830357.2U Active CN216945656U (en) | 2022-04-11 | 2022-04-11 | Power-off locking system for mooring box cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216945656U (en) |
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2022
- 2022-04-11 CN CN202220830357.2U patent/CN216945656U/en active Active
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