CN219077450U - Release device for underwater vehicle - Google Patents
Release device for underwater vehicle Download PDFInfo
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- CN219077450U CN219077450U CN202320011820.5U CN202320011820U CN219077450U CN 219077450 U CN219077450 U CN 219077450U CN 202320011820 U CN202320011820 U CN 202320011820U CN 219077450 U CN219077450 U CN 219077450U
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- sleeve
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- limiting pin
- underwater vehicle
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Abstract
The embodiment of the utility model discloses an underwater vehicle releasing device, which comprises: the middle part of the matrix is provided with a first through hole, and the cable is accommodated in the first through hole; the sleeve is hollow, two ends of the sleeve are open, the bottom surface of the sleeve is connected with the top surface of the base body, a heating component and a memory alloy column are arranged in the hollow inner cavity of the sleeve, a clamping hole is formed in the side wall of the sleeve, and a clamping piece is arranged in the clamping hole; the release part is sleeved outside the sleeve, and the middle part of the release part is provided with an opening; the shield is fixed on the top surface of the release part, and an elastic piece is arranged in the shield; the middle part of the limiting pin is vertically provided with a second through hole; one end of the elastic piece is abutted with the shield, and the other end is abutted with the limiting pin; the heating component is fixed on the top surface of the base body and is connected with the cable; one end of the memory alloy column is connected with the heating component, the other end of the memory alloy column is inserted into the second through hole, the middle annular step clamps the limiting pin, the annular step is contracted to be smaller than the size of the second through hole after being heated, and the limiting pin moves downwards until the clamping piece is separated from the clamping hole, so that noise during separation is reduced, and electromagnetic influence is avoided.
Description
Technical Field
The utility model relates to the field of underwater vehicles, in particular to an underwater vehicle releasing device.
Background
Currently, underwater equipment presents a diversity of developments, and deployment of weapons or monitoring equipment in the vicinity of enemy waters or vessels with unmanned underwater vehicles has become an important direction of research in many countries. In concealed deployment of weapons or monitoring equipment, various release devices are often used. Currently, the release device commonly employs an explosive bolt or a mechanical release mechanism. The explosion bolt release device is characterized in that the connecting part is damaged by igniting a detonator in the explosion bolt, so that the aim of effective release is fulfilled. The mechanical release mechanism is driven by adopting shrinkage or extension of an electromagnet mandrel as driving, the electromagnet drives the mandrel to act through electromagnetic force generated by a coil, the driving force is required to be larger along with the increase of the separating force of a separating device, the volume requirement of the electromagnet is larger, the electromagnet cannot be driven as the mechanical release mechanism at all, the electromagnet is easy to be driven by electromagnetic interference, and the electromagnet is easy to lose efficacy in an enemy electromagnetic interference environment, so that the aim of arranging weapons or monitoring equipment is not realized.
Aiming at the problems of high noise and easy interference of the releasing device in the prior art, no effective solution exists at present.
Disclosure of Invention
In order to solve the problems, the utility model provides an underwater vehicle release device which is driven to be released through a pure mechanical structure so as to solve the problems that the release device in the prior art is high in noise and easy to be interfered by using an electromagnet.
To achieve the above object, an embodiment of the present utility model provides an underwater vehicle release device, including: the cable comprises a base body, wherein a first through hole is formed in the middle of the base body, and a cable is accommodated in the first through hole; the sleeve is hollow, two ends of the sleeve are open, the bottom surface of the sleeve is connected with the top surface of the base body, a heating component and a memory alloy column are arranged in the hollow inner cavity of the sleeve, at least one clamping hole is formed in the side wall of the sleeve, and a clamping piece is arranged in the clamping hole; the release component is sleeved outside the sleeve, and the middle part of the release component is provided with an opening; the protective cover is fixed on the top surface of the release part, and an elastic piece is arranged in the protective cover; the limiting pin is positioned in a containing space formed by the inner cavity of the protective cover and the hollow inner cavity of the sleeve, a second through hole is vertically formed in the middle of the limiting pin, and the inner side wall of the release part and the outer side wall of the limiting pin limit the clamping piece in the clamping hole together; one end of the elastic piece is abutted with the shield, and the other end of the elastic piece is abutted with the limiting pin; the heating component is fixed on the top surface of the base body and is connected with the cable; one end of the memory alloy column is vertically connected with the heating component, one end of the memory alloy column is inserted into the second through hole, a protruding annular step is arranged in the middle of the memory alloy column to clamp the limiting pin, the size of the annular step is larger than that of the second through hole, and the annular step can shrink to be smaller than that of the second through hole after being heated, so that the limiting pin moves downwards until the clamping piece is separated from the clamping hole.
Further optionally, the limiting pin includes a first cylinder and a second cylinder that are integrally formed; the diameter of the first cylinder is smaller than that of the second cylinder; the first cylinder body is positioned at the top of the second cylinder body, and the interior of the first cylinder body vertically extends downwards to form a plug-in column; the middle part of the plug-in column is provided with a second through hole, and the bottom of the plug-in column is propped against the top of the annular step of the memory alloy column; the outer side wall of the second cylinder body is used for limiting the clamping piece.
Further optionally, the clamping member is a steel ball.
Further optionally, the elastic member is a spring.
Further optionally, a cable sealing assembly is disposed in the first through hole, and the cable passes through the cable sealing assembly and is connected with the heating component.
Further optionally, a sealing ring is arranged between the sleeve and the substrate; a sealing ring is arranged between the sleeve and the release component; and a sealing ring is arranged between the sleeve and the limiting pin.
Further optionally, the shield is fixedly connected with the release component through a first screw; the base body is fixedly connected with the sleeve through a second screw.
Further optionally, an airtight screw is connected to the top of the second through hole.
Further optionally, eight clamping holes are uniformly formed on the same circumference of the side wall of the sleeve, and each clamping hole corresponds to one clamping piece.
Further optionally, the base body is provided with a plurality of fastening holes for connection with the portion to be separated.
The technical scheme has the following beneficial effects: the underwater vehicle release device disclosed by the utility model utilizes the characteristic that the shape of the shape memory alloy changes after being heated, and simultaneously combines the thrust action of a proper elastic piece on the limiting pin to release the limiting function of the limiting steel ball, so that the release device acts, the shape memory alloy is only influenced by temperature and is not influenced by the magnitude of separating force, meanwhile, the problem of electromagnetic interference is solved, the generation of noise is greatly reduced, and the purpose of hiding and arranging weapons or monitoring equipment is met.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic main sectional structure of an underwater vehicle release device according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view illustrating a top view of an underwater vehicle release device according to an embodiment of the present utility model;
fig. 3 is a schematic view of a main section structure of an underwater vehicle release device according to an embodiment of the present utility model after release.
Reference numerals: 1-a shield 2-an elastic piece 3-a release part 4-a clamping piece 5-a limiting pin 6-a sleeve 7-a second screw 8-a cable sealing assembly 9-a cable 10-a heating part 11-a memory alloy column 12-a base body 13-a sealing ring 14-a first screw 15-an airtight screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to overcome the problems that the explosion bolt has high noise and is easy to expose a target, and the electromagnet cannot be used as a drive of a mechanical release mechanism and is easy to be disabled due to electromagnetic interference under a large separating force, an embodiment of the utility model is the same as an underwater vehicle release device, and fig. 1 is a schematic main section structure of the underwater vehicle release device provided by the embodiment of the utility model, as shown in fig. 1, and includes: the base body 12, there is the first through hole in the middle part of the base body 12, the first through hole accommodates the cable 9; the sleeve 6 is hollow, two ends of the sleeve 6 are open, the bottom surface of the sleeve is connected with the top surface of the matrix 12, a heating component 10 and a memory alloy column 11 are arranged in the hollow inner cavity of the sleeve 6, at least one clamping hole is formed in the side wall of the sleeve, and a clamping piece 4 is arranged in the clamping hole; the release component 3 is sleeved outside the sleeve 6, and the middle part of the release component 3 is opened; the protective cover 1, the protective cover 1 is fixed on the top surface of the releasing component 3, and an elastic piece 2 is arranged in the protective cover; the limiting pin 5 is positioned in an accommodating space formed by the inner cavity of the shield 1 and the hollow inner cavity of the sleeve 6, a second through hole is vertically formed in the middle of the limiting pin 5, and the inner side wall of the release part 3 and the outer side wall of the limiting pin 5 limit the clamping piece 4 in the clamping hole together; one end of the elastic piece 2 is abutted with the shield 1, and the other end is abutted with the limiting pin 5; the heating component 10 is fixed on the top surface of the base body 12 and is connected with the cable 9; one end of the memory alloy column 11 is vertically connected with the heating component 10, one end is inserted into the second through hole, the middle part is provided with a protruding annular step to clamp the limiting pin 5, the size of the annular step is larger than that of the second through hole, and the annular step can shrink to be smaller than that of the second through hole after being heated, so that the limiting pin 5 moves downwards until the clamping piece 4 is separated from the clamping hole.
Fig. 2 is a schematic top view of a cross-sectional structure of an underwater vehicle disengaging device according to an embodiment of the present utility model, as shown in fig. 2, in this embodiment, a base 12 is the largest size to be used as a connection base at the bottommost part, a main body of the base 12 is a circular platform, four fixing blades extending outwards are disposed on the circular platform, the four fixing blades are uniformly distributed on the circular platform of the base 12, and each fixing blade is used for connecting with a component to be separated of the underwater vehicle. Referring to fig. 1, a first through hole is vertically formed in the middle of the base 12, and a cable 9 is disposed in the first through hole.
Referring to fig. 1, a sleeve 6 is fixed to the top surface of a base 12, and the sleeve 6 is cylindrical, hollow and open at both ends. A circle of folded edges extend outwards from the bottom of the sleeve 6, and the bottom surfaces of the folded edges are in contact with the top surface of the base body 12 and are fixedly connected with the base body 12 so as to fixedly connect the sleeve 6 with the base body 12. At least one clamping hole is formed in the side wall of the cylindrical main body of the sleeve 6, and a clamping piece 4 is arranged in each clamping hole.
Referring to fig. 1, the release member 3 in this embodiment includes an integrally formed cylindrical portion and a platform portion, and the platform portion is disposed on top of the cylindrical portion. The cylinder part is sleeved outside the sleeve 6, the middle part of the platform part is opened, and the opening size of the platform part is smaller than the size of the cylinder part. Referring to fig. 1 and 2, a fixing hole is formed at a position of the platform portion near the edge for connecting with another component to be separated of the underwater vehicle.
In this embodiment, the shield 1 is cylindrical, and a circle of folded edges extends outwards from the bottom of the shield 1, and the bottom surface of the circle of folded edges is connected with the top surface of the releasing component 3, specifically, the bottom surface of the folded edges of the shield 1 is fixedly connected with the top surface of the platform part of the releasing component 3. The shield 1 is only opened at the bottom, and the middle part of the release part 3 is provided with an opening, so that the inner cavity of the shield 1 is communicated with the hollow inner cavity of the sleeve 6, and the inner cavity of the shield 1 and the hollow inner cavity of the sleeve 6 form a containing space.
The limiting pin 5 is located in the accommodating space, a second through hole is vertically formed in the middle of the limiting pin, the clamping piece 4 is limited in the clamping hole through the outer side wall of the limiting pin and the inner side wall of the releasing component 3, and the releasing component 3 is fixed on the outer side of the sleeve 6 through the clamping piece 4 and cannot fall off.
As an alternative embodiment, a circle of clamping grooves are correspondingly formed in the inner side wall of the release part 3 to accommodate clamping of the clamping piece 4, so that the release part 3 and the sleeve 6 are fixed. At present, the size of the clamping groove cannot be too large, and only part of the clamping piece 4 can be accommodated for clamping.
Referring to fig. 1, a memory alloy column 11 and a heating member 10 are further provided in the hollow inner cavity of the sleeve 6. The heating member 10 is fixed to the top surface of the base 12 by screws, the heating member 10 is connected to the cable 9 passing through the base 12, and the heating member 10 heats up after being energized, and the surface temperature rises.
The memory alloy column 11 is made of shape memory alloy, a circle of annular step is arranged in the middle of the memory alloy column, the bottom end of the memory alloy column is connected with the heating component 10, the top end of the memory alloy column penetrates into the second through hole, and the diameter of the annular step is larger than the size of the second through hole, so that the bottom of the side wall forming the second through hole is clamped on the top surface of the annular step, and the limiting pin 5 is prevented from falling. When the memory alloy column 11 is heated, the size of the annular step is reduced until the diameter of the annular step is smaller than that of the second through hole, at this time, the limiting pin 5 falls under the thrust of the elastic element 2, fig. 3 is a schematic main section structure of the underwater vehicle releasing device provided by the embodiment of the utility model after releasing, as shown in fig. 3, the outer side wall of the limiting pin 5 can no longer limit the clamping piece 4, the clamping piece 4 is released, thereby releasing the limit of the releasing element 3, realizing the releasing of the releasing element 3 from the sleeve 6, and further enabling the element to be separated fixed on the releasing element 3 to be separated from another element to be separated fixed on the base 12.
As an alternative embodiment, the stop pin 5 includes a first cylinder and a second cylinder that are integrally formed; the diameter of the first cylinder is smaller than that of the second cylinder; the first cylinder is positioned at the top of the second cylinder, and the interior of the first cylinder vertically extends downwards to form a plug-in column; the middle part of the plug-in column is provided with a second through hole, and the bottom of the plug-in column is propped against the top of the annular step of the memory alloy column 11; the outer side wall of the second cylinder is used for limiting the clamping piece 4.
Referring to fig. 1, the stopper pin 5 includes a first cylinder and a second cylinder, the first cylinder being located on top of the second cylinder and being smaller in size than the second cylinder.
The outer side wall of the second cylinder and the inner side wall of the release part 3 limit the clamping piece 4 in the clamping hole.
The first cylinder is provided with a downward extending plug-in column, the middle part of the plug-in column is vertically provided with a second through hole, and the bottom of the plug-in column is propped against the top of the annular step of the memory alloy column 11.
When the annular step of the memory alloy column 11 is heated and contracted, the plug-in column moves downwards along the memory alloy column 11, the second cylinder moves downwards along with the memory alloy column, and when the top surface of the second cylinder is smaller than the height of the clamping hole, the clamping piece 4 falls off, and the limit of the releasing component 3 is released.
As an alternative embodiment, the clamping member 4 is a steel ball.
As an alternative embodiment, the elastic member 2 is a spring.
The spring is in a compressed state when the limit is not in contact.
As an alternative embodiment, a cable seal 8 is provided in the first through hole, and a cable 9 is connected to the heating member 10 through the cable seal 8.
Because the device can be used for underwater vehicles, and contact with water is unavoidable, therefore, in order to avoid external water flow entering, and influence the overall performance of the device, referring to fig. 1, the cable sealing assembly 8 is arranged in the first through hole, the cable 9 penetrates from the cable sealing assembly 8, and water flow entering from the first through hole is prevented, and the performance of the cable 9 is influenced.
As an alternative embodiment, the cable sealing assembly 8 may be a rubber plastic package.
As an alternative embodiment, see fig. 1, a sealing ring 13 is provided between the sleeve 6 and the base body 12; a sealing ring 13 is arranged between the sleeve 6 and the release part 3; a sealing ring 13 is arranged between the sleeve 6 and the limiting pin 5.
Referring to fig. 1, a sealing ring 13 is provided between the sleeve 6 and the base 12. As an alternative embodiment, a first annular sealing groove is formed in a position, corresponding to the sleeve 6, of the base body 12, and a sealing ring 13 is installed in the first annular sealing groove to realize sealing connection between the sleeve 6 and the base body 12.
A sealing ring 13 is also provided between the sleeve 6 and the release member 3. As an alternative embodiment, a second annular sealing groove is formed in the outer side wall of the sleeve 6 corresponding to the release member 3, and a sealing ring 13 is arranged in the second annular sealing groove to realize sealing connection between the sleeve 6 and the release member 3.
A sealing ring 13 is arranged between the sleeve 6 and the limiting pin 5. As an alternative embodiment, a third annular sealing groove is formed in the outer side wall of the limiting pin 5 corresponding to the sleeve 6, and a sealing ring 13 is installed in the third annular sealing groove to realize sealing connection between the sleeve 6 and the limiting pin 5.
As an alternative embodiment, see fig. 1, the shield 1 is fixedly connected to the release member 3 by means of a first screw 14; the base body 12 is fixedly connected with the sleeve 6 by a second screw 7.
As an alternative embodiment, the flange of the cover 1 is fixedly connected to the release member 3 by means of a first screw 14. The first screws 14 are provided in plurality and are uniformly distributed to fixedly connect the shield 1 with the release member 3.
As an alternative embodiment, the folds of the sleeve 6 are fixedly connected to the base body 12 by means of second screws 7. The second screws 7 are distributed uniformly to fixedly connect the sleeve 6 with the base 12.
As an alternative embodiment, see fig. 1, an airtight screw 15 is connected to the top of the second through hole.
As shown in fig. 1, since the second through hole penetrates the limiting pin 5, if the releasing member 3 is released from the sleeve 6, the second through hole is exposed to water, and in order to prevent water from entering, the top of the second through hole is connected with the airtight screw 15, so as to seal the second through hole.
As an alternative embodiment, as shown in fig. 2, eight clamping holes are uniformly formed on the same circumference of the side wall of the sleeve 6, and each clamping hole corresponds to one clamping piece 4.
Referring to fig. 2, eight clamping holes are uniformly formed in the same circumference of the inner side wall of the sleeve 6, and each clamping hole is provided with a clamping piece 4, so that the limiting reliability is ensured.
As an alternative embodiment, the base body 12 is provided with a plurality of fastening holes for connection with the portions to be separated.
Referring to fig. 2, each of the fixed blades of the base 12 is provided with at least one fastening hole for screw connection with a portion to be separated of the underwater sound detector.
The use method of the underwater vehicle release device in the embodiment is as follows: and in the state that the limit is not released, the limit pin is clamped on the annular step of the memory alloy column under the thrust of the elastic piece, and the clamping piece is completely positioned at the moment. When the underwater vehicle is required to be released, after the cable is electrified, the heating component heats the memory alloy column, the diameter of the annular step of the memory alloy column is contracted, the step disappears, the limiting pin moves downwards under the thrust action of the elastic piece and is inserted into the memory alloy column, and the clamping piece is extruded into the hollow inner cavity of the sleeve, so that the limiting of the clamping piece on the sleeve and the release flange is released, and the function of the underwater vehicle release device is realized.
The technical scheme has the following beneficial effects: the underwater vehicle release device disclosed by the utility model utilizes the characteristic that the shape of the shape memory alloy changes after being heated, and simultaneously combines the thrust action of a proper elastic piece on the limiting pin to release the limiting function of the limiting steel ball, so that the release device acts, the shape memory alloy is only influenced by temperature and is not influenced by the magnitude of separating force, meanwhile, the problem of electromagnetic interference is solved, the generation of noise is greatly reduced, and the purpose of hiding and laying 0 of weapons or monitoring equipment is met.
The foregoing description of the embodiments of the present utility model further provides a detailed description of the objects, technical solutions and advantages of the present utility model, and it should be understood that the foregoing description is only illustrative of the embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. An underwater vehicle release apparatus comprising:
the cable comprises a base body, wherein a first through hole is formed in the middle of the base body, and a cable is accommodated in the first through hole;
the sleeve is hollow, two ends of the sleeve are open, the bottom surface of the sleeve is connected with the top surface of the base body, a heating component and a memory alloy column are arranged in the hollow inner cavity of the sleeve, at least one clamping hole is formed in the side wall of the sleeve, and a clamping piece is arranged in the clamping hole;
the release component is sleeved outside the sleeve, and the middle part of the release component is provided with an opening;
the protective cover is fixed on the top surface of the release part, and an elastic piece is arranged in the protective cover;
the limiting pin is positioned in a containing space formed by the inner cavity of the protective cover and the hollow inner cavity of the sleeve, a second through hole is vertically formed in the middle of the limiting pin, and the inner side wall of the release part and the outer side wall of the limiting pin limit the clamping piece in the clamping hole together;
one end of the elastic piece is abutted with the shield, and the other end of the elastic piece is abutted with the limiting pin;
the heating component is fixed on the top surface of the base body and is connected with the cable;
one end of the memory alloy column is vertically connected with the heating component, one end of the memory alloy column is inserted into the second through hole, a protruding annular step is arranged in the middle of the memory alloy column to clamp the limiting pin, the size of the annular step is larger than that of the second through hole, and the annular step can shrink to be smaller than that of the second through hole after being heated, so that the limiting pin moves downwards until the clamping piece is separated from the clamping hole.
2. The underwater vehicle release apparatus of claim 1, wherein:
the limiting pin comprises a first cylinder body and a second cylinder body which are integrally formed;
the diameter of the first cylinder is smaller than that of the second cylinder;
the first cylinder body is positioned at the top of the second cylinder body, and the interior of the first cylinder body vertically extends downwards to form a plug-in column;
the middle part of the plug-in column is provided with a second through hole, and the bottom of the plug-in column is propped against the top of the annular step of the memory alloy column;
the outer side wall of the second cylinder body is used for limiting the clamping piece.
3. The underwater vehicle release apparatus of claim 1, wherein:
the clamping piece is a steel ball.
4. The underwater vehicle release apparatus of claim 1, wherein:
the elastic piece is a spring.
5. The underwater vehicle release apparatus of claim 1, wherein:
and a cable sealing assembly is arranged in the first through hole, and the cable passes through the cable sealing assembly and is connected with the heating component.
6. The underwater vehicle release apparatus of claim 1, wherein:
a sealing ring is arranged between the sleeve and the matrix;
a sealing ring is arranged between the sleeve and the release component;
and a sealing ring is arranged between the sleeve and the limiting pin.
7. The underwater vehicle release apparatus of claim 1, wherein:
the shield is fixedly connected with the release component through a first screw;
the base body is fixedly connected with the sleeve through a second screw.
8. The underwater vehicle release apparatus of claim 1, wherein:
and the top of the second through hole is connected with an airtight screw.
9. The underwater vehicle release apparatus of claim 1, wherein:
eight clamping holes are uniformly formed in the same circumference of the side wall of the sleeve, and each clamping hole corresponds to one clamping piece.
10. The underwater vehicle release apparatus of claim 1, wherein:
the base body is provided with a plurality of fastening holes for being connected with the part to be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011820.5U CN219077450U (en) | 2023-01-04 | 2023-01-04 | Release device for underwater vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011820.5U CN219077450U (en) | 2023-01-04 | 2023-01-04 | Release device for underwater vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219077450U true CN219077450U (en) | 2023-05-26 |
Family
ID=86400789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320011820.5U Active CN219077450U (en) | 2023-01-04 | 2023-01-04 | Release device for underwater vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219077450U (en) |
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2023
- 2023-01-04 CN CN202320011820.5U patent/CN219077450U/en active Active
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