CN209833967U - Self-floating model ballast device - Google Patents
Self-floating model ballast device Download PDFInfo
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- CN209833967U CN209833967U CN201920532182.5U CN201920532182U CN209833967U CN 209833967 U CN209833967 U CN 209833967U CN 201920532182 U CN201920532182 U CN 201920532182U CN 209833967 U CN209833967 U CN 209833967U
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Abstract
The utility model discloses a self-floating model ballast device, which comprises a pressure shell, a high-pressure air system and a release mechanism, wherein a containing space is arranged inside the pressure shell, a sea valve and a vent valve are arranged on the pressure shell, the high-pressure air system comprises a high-pressure air bottle group, the high-pressure air bottle group is fixed in the containing space of the pressure shell, the release mechanism is arranged on the outer surface of the pressure shell, the sea valve and the vent valve enable water to enter the pressure shell from the outside, the quality of the ballast device is increased, and the ballast device is made to sink; the high-pressure air bottle group is fixed in pressure shell's accommodation space, when high-pressure air bottle group gassing, can discharge pressure shell inside water, reduces ballast device's quality, and control ballast device come-up can drive from the superficial model along with ballast device goes up to float or sink owing to release mechanism sets up on pressure shell's the surface, satisfies the experiment demand, possesses fine practicality.
Description
Technical Field
The utility model belongs to the technical field of experimental auxiliary assembly, concretely relates to from floating model ballast device.
Background
For medium and high speed large underwater navigation bodies, the hydrodynamic noise characteristics are very outstanding. On one hand, equipment in the underwater vehicle is seriously influenced by fluid excitation noise and cannot work normally, and on the other hand, the concealment of the underwater vehicle is greatly damaged by hydrodynamic noise characteristics, so that the movement speed of the underwater vehicle is limited. Therefore, the hydrodynamic noise characteristic of the large underwater vehicle is improved by optimizing the molded line design, and the method has very important significance for improving the use efficiency of the underwater vehicle.
At present, due to the fact that an excitation source and a radiation path of a flow line spectrum are not thoroughly mastered, control measures are difficult to verify on land, the problem of a high-speed flow excitation structure of a large underwater vehicle is generally difficult to solve, and the effect of flow excitation noise control is influenced. In order to realize the research of hydrodynamic noise of a large-scale model and eliminate the influence of mechanical noise and propeller noise, a self-floating test is usually performed in water by using a self-floating model, so that how to put the self-floating model into a specified depth and position in water is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and can drive when needs are from floating the experiment and sink to the assigned position from floating the model, can float out the surface of water reuse after the experiment from floating model ballast device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in one general aspect, there is provided a self-floating model ballast device comprising a pressure hull, a high pressure air system, and a release mechanism, wherein:
a containing space is arranged in the pressure-resistant shell, and a sea valve and a vent valve are arranged on the pressure-resistant shell;
the high-pressure air system comprises a high-pressure air bottle group, and the high-pressure air bottle group is fixed in the accommodating space of the pressure-resistant shell;
the release mechanism is disposed on an outer surface of the pressure casing.
Preferably, the releasing mechanism comprises a mounting bottom plate, a fixed fulcrum, a vertical rotating rod, a bottom plate rotating rod and a releaser;
the lower end surface of the mounting bottom plate is provided with a hook, the upper end surface of the mounting bottom plate is provided with a fixed rotating shaft, and the hook is connected with the outer surface of the pressure-resistant shell;
the fixed fulcrum shaft, the vertical rotating rod, the bottom plate rotating rod and the releaser are all arranged on the upper end surface of the mounting bottom plate;
a rotating shaft hole is formed in the rotating rod of the bottom plate, a limiting pin is further processed at one end of the rotating rod of the bottom plate, and the rotating shaft hole in the rotating rod of the bottom plate is matched with the fixed rotating shaft on the mounting bottom plate;
the releaser is fixedly arranged on the upper end surface of the mounting base plate, and a movable ring sleeve is arranged on the releaser and sleeved on a limit pin of the rotating rod of the base plate;
the vertical rotating rod is an L-shaped structure formed by fixedly connecting a short arm rod and a long arm rod;
one end of the fixed fulcrum is fixedly connected with the upper end face of the mounting bottom plate, the other end of the fixed fulcrum is hinged with the short arm end of the vertical rotating rod, and the side face of the long arm end of the vertical rotating rod is contacted with the side face of the rotating rod of the bottom plate.
Preferably, the pressure casing further comprises a working hole, the working hole is arranged at the top of the pressure casing, the sea valve is arranged at the bottom of the pressure casing, and the vent valve is arranged on the side wall of the pressure casing.
Preferably, the pressure casing further comprises a bow bulkhead, a stern bulkhead, an electronic bulkhead and an electronic cabin support plate frame, wherein:
the bow bulkhead is arranged at the head part of the pressure shell;
the stern bulkhead is arranged at the tail part of the pressure shell;
the electronic cabin wall and the electronic cabin supporting plate frame are both arranged between the high-pressure air bottle group and the bow cabin wall, the electronic cabin wall is vertically arranged, and the electronic cabin supporting plate frame is horizontally arranged.
Preferably, the ballast device further comprises an industrial personal computer, and the industrial personal computer is fixedly arranged on the electronic cabin supporting plate frame.
Preferably, the ballast device further comprises an underwater acoustic communication machine, the underwater acoustic communication machine is fixedly arranged outside the pressure shell, and the underwater acoustic communication machine is electrically connected with the industrial personal computer.
Preferably, the ballast device further comprises a plurality of transponders, the transponders are fixedly arranged outside the pressure shell, and the transponders are electrically connected with the industrial personal computer.
Preferably, the ballast means further comprises a plurality of reinforcing ribs, each of which is fixedly disposed on the inner wall of the pressure hull.
Preferably, the ballast device further comprises a plurality of lifting rings, and the plurality of lifting rings are fixedly arranged outside the pressure shell.
Preferably, the high-pressure air system further comprises high-pressure air pipelines, check valves, stop valves and pressure gauges, the number of the high-pressure air bottle groups is the same as that of the high-pressure air pipelines, the high-pressure air bottle groups are communicated with one ends of the high-pressure air pipelines in a one-to-one correspondence manner, each high-pressure air pipeline is provided with one stop valve and one pressure gauge, the other ends of the high-pressure air pipelines are communicated, and the other ends of the high-pressure air pipelines are connected with the air compressor through the check valves.
The utility model provides a self-floating model ballast device, because the pressure shell is internally provided with a containing space and is provided with a sea valve and a vent valve, water can enter the pressure shell from the outside, the quality of the ballast device is increased, and the ballast device sinks; because the high-pressure air system includes high-pressure air bottle group, high-pressure air bottle group fixes in pressure-resistant casing's accommodation space, when high-pressure air bottle group gassing, can discharge pressure-resistant casing inside water, reduces ballast device's quality, and control ballast device come-up because release mechanism sets up on pressure-resistant casing's surface, can drive from the model that floats along with ballast device floats or sinks, satisfies the experiment demand, possesses fine practicality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 cross-sectional view of the ballast apparatus for self-floating model of the present invention;
fig. 2 is a schematic structural view of the self-floating model ballast apparatus of the present invention;
fig. 3 is a schematic structural view of a high-pressure air system of the self-floating model ballast apparatus of the present invention;
FIG. 4 is a schematic diagram of the release mechanism of the self-floating model ballast apparatus of the present invention;
fig. 5 is a schematic structural view of the mounting base plate of the present invention;
fig. 6 is a schematic structural view of the fixed support shaft of the present invention;
fig. 7 is a schematic structural view of the vertical rotating rod of the present invention;
fig. 8 is a schematic structural view of a primary base plate rotating rod of the present invention;
fig. 9 is a schematic structural view of a second-stage bottom plate rotating rod of the present invention;
fig. 10 is a schematic structural view of a three-level bottom plate rotating rod of the present invention;
fig. 11 is a top view of the release mechanism of the self-floating model ballast device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic sectional view of a self-floating model ballast apparatus of the present invention, and as shown in fig. 1, an embodiment of the present invention provides a self-floating model ballast apparatus, which includes a pressure-resistant casing 1, a high-pressure air system and a release mechanism 17;
further, referring to fig. 1, a containing space is provided inside the pressure casing 1, a sea valve 18 and a vent valve 19 are provided on the pressure casing 1, the sea valve 18 is provided at the bottom of the pressure casing 1, the vent valve 19 is provided on the side wall of the pressure casing 1, and the sea valve 18 and the vent valve 19 allow water to enter the pressure casing from the outside, increase the mass of the ballast apparatus, and sink the ballast apparatus;
further, referring to fig. 1, the high pressure air system includes a plurality of high pressure air cylinder groups 7, the high pressure air cylinder groups 7 may be arranged as required, and each high pressure air cylinder group 7 is composed of a plurality of high pressure air cylinders; the high-pressure air bottle group 7 is fixed in the accommodating space of the pressure-resistant shell 1, compressed air is stored in the high-pressure air bottle group 7, and when the high-pressure air bottle group is deflated, water in the pressure-resistant shell can be discharged, the quality of the ballast device is reduced, and the ballast device is controlled to float upwards;
further, pressure casing 1 still includes the work hole, and the work hole setting is at pressure casing 1's top, makes things convenient for the staff to get into inside equipment fixing and the maintenance work of carrying on of device.
Further, referring to fig. 1, the pressure casing 1 further includes a bulkhead 2, a bulkhead 3, an electronic bulkhead 4, and an electronic cabin support plate frame 5, wherein the bulkhead 2 is disposed at a head portion of the pressure casing 1, the bulkhead 3 is disposed at a tail portion of the pressure casing 1, the electronic bulkhead 4 and the electronic cabin support plate frame 5 are both disposed between the high pressure air bottle group 7 and the bulkhead 2, the electronic bulkhead 4 is disposed vertically, and the electronic cabin support plate frame 5 is disposed horizontally.
Further, with reference to fig. 1, the ballast device further comprises an industrial personal computer 15, wherein the industrial personal computer 15 is fixedly arranged on the electronic cabin supporting plate frame 5 and is used for communicating with the industrial personal computer of the mother ship on the water surface and transmitting information of the ballast device to the industrial personal computer of the mother ship.
Further, with reference to fig. 1, the ballast device further includes an internal pressure sensor 10 and an external pressure sensor 11, and both the internal pressure sensor 10 and the external pressure sensor 11 are electrically connected to the industrial personal computer 15, and transmit the received pressure signal to the industrial personal computer 15.
Further, with reference to fig. 1, the ballast device further includes an internal camera 12 and an external camera 13, and both the internal camera 12 and the external camera 13 are electrically connected to the industrial personal computer 15, and transmit the received signal to the industrial personal computer 15.
Further, with reference to fig. 1, the ballast device further includes an underwater acoustic communicator 14, the underwater acoustic communicator 14 is fixedly disposed outside the pressure-resistant casing 1, and the underwater acoustic communicator 14 is electrically connected to the industrial personal computer 15, and is capable of receiving instructions from the mother ship and sending underwater acoustic signals to the mother ship.
Further, with reference to fig. 1, the ballast device further includes a plurality of transponders 9, the transponders 9 are fixedly disposed outside the pressure-resistant casing 1, the transponders 9 are electrically connected to the industrial personal computer 15, and the transponders 9 communicate with the transceivers of the mother ship on the water surface to report the attitude, position and other motion parameters of the ballast device.
Further, referring to fig. 1, the ballast device further includes a storage battery 16, and the storage battery 16 is fixedly disposed on the electronic compartment support frame 5 and is used for supplying power to the industrial personal computer 15 and the other electronic devices.
Further, referring to fig. 1, the ballast device further includes a plurality of reinforcing ribs 6, and the plurality of reinforcing ribs 6 are all fixedly disposed on the inner wall of the pressure casing 1 to ensure the strength of the pressure casing 1.
Fig. 2 is the utility model discloses a structural schematic of self-floating model ballast device, as shown in fig. 2, still include a plurality of rings 20, a plurality of rings 20 are all fixed to be set up in pressure shell 1's outside, and when ballast device embedding was underwater but met battery 16's electric quantity and used up, can pull out ballast device from the aquatic through the connecting piece, like rope etc..
Fig. 3 is the utility model discloses a high-pressure air system's of self-floating model ballast device schematic structure, as shown in fig. 3, high-pressure air system still includes high-pressure air pipeline 8, check valve 82, stop valve 81 and manometer 83, high-pressure air bottle group 7 is the same with high-pressure air pipeline 8 quantity, and, high-pressure air bottle group 7 communicates with high-pressure air pipeline 8's one end one-to-one, all be provided with a stop valve 81 and a manometer 83 on each high-pressure air pipeline 8, each high-pressure air pipeline 8's the other end is linked together, and each high-pressure air pipeline 8's the other end all links to each other with air compressor 84 through check valve 82. A plurality of high-pressure air cylinder groups 7 can be simultaneously inflated by the air compressor 84.
Further, referring to fig. 1, the releasing mechanism 17 is disposed on the outer surface of the pressure casing 1, fig. 4 is a schematic structural diagram of the releasing mechanism of the self-floating model ballast apparatus of the present invention, and as shown in fig. 4, the releasing mechanism 17 includes a mounting base plate 171, a fixing fulcrum 172, a vertical rotating rod 173, a first-stage base plate rotating rod 174, a second-stage base plate rotating rod 175, a third-stage base plate rotating rod 176, and a releaser 177.
Fig. 5 is a schematic structural diagram of the mounting base plate of the present invention, and as shown in fig. 5, the mounting base plate 171 is a disk shape, and a hook is processed on the lower end surface for connecting with a ballast weight; the upper end face is provided with a pin counter bore, three fixed rotating shafts and three mounting panels 178 which are mutually vertical to the upper end face of the mounting base plate 171, wherein through holes are formed on two mounting panels 178, and a fixing pin is formed on the other mounting panel 178;
fig. 6 is a schematic structural diagram of a fixed fulcrum according to the present invention, and as shown in fig. 6, the fixed fulcrum 172 is composed of a fixed pillar and a pillar rotating shaft; the fixing support column is of a columnar structure, and one end of the fixing support column is fixedly connected with a plane opposite to the cylinder in the support column rotating shaft;
fig. 7 is a schematic structural view of the vertical rotating rod of the present invention, as shown in fig. 7, the vertical rotating rod 173 is an L-shaped structure formed by fixedly connecting a short arm rod and a long arm rod, and a through hole is processed at the short arm end;
fig. 8 is a schematic structural view of the primary base plate rotating rod of the present invention, as shown in fig. 8, a rotating shaft hole is processed on the primary base plate rotating rod 174, one end is processed into a U-shaped structure, and a pin hole is processed on the other end;
fig. 9 is a schematic structural view of the second-stage bottom plate rotating rod of the present invention, as shown in fig. 9, a rotating shaft hole is formed on the second-stage bottom plate rotating rod 175, one end of the second-stage bottom plate rotating rod is processed into an L-shaped structure, the other end of the second-stage bottom plate rotating rod is processed into a U-shaped structure, and the L-shaped structure and the U-shaped structure are distributed on two sides of the second-stage bottom plate rotating rod 175;
fig. 10 is a schematic structural view of the three-level bottom plate rotating rod of the present invention, as shown in fig. 10, a rotating shaft hole is formed on the three-level bottom plate rotating rod 176, a limit pin is formed at one end, and an L-shaped structure is formed at the other end;
fig. 4 is a schematic structural diagram of a releasing mechanism of the self-floating model ballast apparatus of the present invention, fig. 11 is a top view of the releasing mechanism of the self-floating model ballast apparatus of the present invention, and it can be seen from fig. 4 and 11 that the assembling relationship between the parts is as follows: the first-stage baseplate rotating rod 174, the second-stage baseplate rotating rod 175 and the third-stage baseplate rotating rod 176 are respectively arranged on the upper end surface of the mounting baseplate 171, the U-shaped end of the first-stage baseplate rotating rod 174 is matched with the L-shaped end of the second-stage baseplate rotating rod 175, the U-shaped end of the second-stage baseplate rotating rod 175 is matched with the L-shaped end of the third-stage baseplate rotating rod 176, rotating shaft holes in the first-stage baseplate rotating rod 174, the second-stage baseplate rotating rod 175 and the third-stage baseplate rotating rod 176 are in one-to-one clearance fit relation with three fixed rotating shafts on the mounting baseplate 171, and in order to prevent the baseplate rotating rods from falling off, a cotter pin or a limiting surface; one end of the releaser 177 passes through the through holes of the two mounting panels on the mounting base plate 171 and then is matched with the fixed pin on the other mounting panel, and the movable ring at the other end of the releaser 177 is sleeved on the limit pin of the rotating rod 176 of the tertiary base plate; the fixed fulcrum end of the fixed fulcrum 172 is fixedly connected with the upper end face of the mounting base plate 171, the column of the fulcrum shaft in the fixed fulcrum 172 is in clearance fit with the through hole at the short arm end of the vertical rotating rod 173, and the side face of the long arm end of the vertical rotating rod 173 is contacted with the side face of the first-stage base plate rotating rod 174; when the device is not submerged, pins are placed in the pin holes of the primary base plate swivel bar 174 and the pin counter bores of the mounting base plate 171.
When the releasing device is used for carrying out a floating test on the model, the pin on the rotating rod 174 of the primary bottom plate is pulled off before the releasing device enters water, a ballast weight is hung on a hook of the mounting bottom plate 171, and a cable passes through a short arm rod of the vertical rotating rod 173 and is connected with the model; when the model needs to float, the movable ring of the control releaser 177 is opened, the first-level bottom plate rotating rod 174 loses the constraint effect on the long-arm end of the vertical rotating rod 173, under the action of the stretching buoyancy of the model, the long-arm end of the vertical rotating rod 173 is pulled up, and the cable slips from the long-arm end of the vertical rotating rod 173, so that the release of the model is realized.
During the come-up test to different proportion models, can rationally set up the size of vertical bull stick 173, the quantity of bottom plate bull stick, size and the position of pivot hole according to the load demand, and then adjust the load amplification factor of releaser 177, realize the release function of little load releaser 177 to the model of different load demands.
Embodiments of the present description provide a self-floating model ballast apparatus, since an accommodating space is provided inside a pressure casing, and a sea valve and a vent valve are provided on the pressure casing, water can enter the pressure casing from the outside, increasing the mass of the ballast apparatus, and sinking the ballast apparatus; because the high-pressure air system includes high-pressure air bottle group, high-pressure air bottle group fixes in pressure-resistant casing's accommodation space, when high-pressure air bottle group gassing, can discharge pressure-resistant casing inside water, reduces ballast device's quality, and control ballast device come-up because release mechanism sets up on pressure-resistant casing's surface, can drive from the model that floats along with ballast device floats or sinks, satisfies the experiment demand, possesses fine practicality.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present application.
Claims (10)
1. A self-floating model ballast device, comprising a pressure hull (1), a high pressure air system and a release mechanism (17), wherein:
a containing space is arranged in the pressure casing (1), and a sea valve (18) and a vent valve (19) are arranged on the pressure casing (1);
the high-pressure air system comprises a high-pressure air bottle group (7), and the high-pressure air bottle group (7) is fixed in the accommodating space of the pressure shell (1);
the release mechanism (17) is arranged on the outer surface of the pressure casing (1).
2. The self-floating model ballast device according to claim 1, wherein the release mechanism (17) comprises a mounting base plate (171), a fixing fulcrum (172), a standing turn lever (173), a base plate turn lever, and a releaser (177);
a hook is arranged on the lower end face of the mounting bottom plate (171), a fixed rotating shaft is arranged on the upper end face of the mounting bottom plate (171), and the hook is connected with the outer surface of the pressure-resistant shell (1);
the fixed fulcrum (172), the vertical rotating rod (173), the bottom plate rotating rod and the releaser (177) are all arranged on the upper end face of the mounting bottom plate (171);
a rotating shaft hole is formed in the bottom plate rotating rod, a limiting pin is further processed at one end of the bottom plate rotating rod, and the rotating shaft hole in the bottom plate rotating rod is matched with a fixed rotating shaft in the mounting bottom plate (171);
the releaser (177) is fixedly arranged on the upper end face of the mounting base plate (171), a movable ring sleeve is arranged on the releaser (177), and the movable ring sleeve is sleeved on a limit pin of the rotating rod of the base plate;
the vertical rotating rod (173) is of an L-shaped structure formed by fixedly connecting a short arm rod and a long arm rod;
one end of the fixed fulcrum shaft (172) is fixedly connected with the upper end face of the mounting base plate (171), the other end of the fixed fulcrum shaft is hinged with the short arm end of the vertical rotating rod (173), and the side face of the long arm end of the vertical rotating rod (173) is contacted with the side face of the rotating rod of the base plate.
3. The self-floating model ballast arrangement according to claim 2, wherein the pressure hull (1) further comprises a working hole provided at the top of the pressure hull (1), the sea chest valve (18) is provided at the bottom of the pressure hull (1), and the vent valve (19) is provided on the side wall of the pressure hull (1).
4. Self-floating model ballast arrangement according to claim 1, wherein the pressure hull (1) further comprises a bow bulkhead (2), a stern bulkhead (3), an electronic bulkhead (4) and an electronic deck support plate rack (5), wherein:
the bow bulkhead (2) is arranged at the head part of the pressure shell (1);
the stern bulkhead (3) is arranged at the tail part of the pressure shell (1);
electronic cabin wall (4) with electronic cabin support grillage (5) all set up high-pressure air bottle group (7) with between bulkhead (2), just, electronic cabin wall (4) vertical setting, electronic cabin support grillage (5) horizontal setting.
5. The self-floating model ballast device according to claim 4, further comprising an industrial control computer (15), wherein the industrial control computer (15) is fixedly arranged on the electronic compartment support plate rack (5).
6. The ballast device of claim 5, further comprising an underwater acoustic communicator (14), wherein the underwater acoustic communicator (14) is fixedly arranged outside the pressure-resistant housing (1), and the underwater acoustic communicator (14) is electrically connected with the industrial personal computer (15).
7. The self-floating model ballast device according to claim 5, further comprising a plurality of transponders (9), wherein the plurality of transponders (9) are fixedly arranged outside the pressure shell (1), and the plurality of transponders (9) are electrically connected with the industrial personal computer (15).
8. The ballast device for self-floating model according to claim 1, further comprising a plurality of reinforcing ribs (6), wherein the plurality of reinforcing ribs (6) are fixedly arranged on the inner wall of the pressure hull (1).
9. The self-floating model ballast device according to claim 1, further comprising a plurality of lifting rings (20), wherein the plurality of lifting rings (20) are all fixedly arranged outside the pressure hull (1).
10. The self-floating model ballast device according to claim 1, wherein the high-pressure air system further comprises high-pressure air pipelines (8), check valves, stop valves and pressure gauges, the number of the high-pressure air cylinder groups (7) is the same as that of the high-pressure air pipelines (8), the high-pressure air cylinder groups (7) are communicated with one ends of the high-pressure air pipelines (8) in a one-to-one correspondence manner, each high-pressure air pipeline (8) is provided with one stop valve and one pressure gauge, the other ends of the high-pressure air pipelines (8) are communicated, and the other ends of the high-pressure air pipelines (8) are connected with an air compressor through the check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532182.5U CN209833967U (en) | 2019-04-18 | 2019-04-18 | Self-floating model ballast device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532182.5U CN209833967U (en) | 2019-04-18 | 2019-04-18 | Self-floating model ballast device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209833967U true CN209833967U (en) | 2019-12-24 |
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ID=68912251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920532182.5U Expired - Fee Related CN209833967U (en) | 2019-04-18 | 2019-04-18 | Self-floating model ballast device |
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| Country | Link |
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| CN (1) | CN209833967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941413A (en) * | 2019-04-18 | 2019-06-28 | 中国船舶重工集团公司第七一九研究所 | A kind of certainly floating model ballast |
| CN111319739A (en) * | 2020-03-25 | 2020-06-23 | 叶飞 | Buoyancy tank for ballast water system of ocean exploration equipment |
-
2019
- 2019-04-18 CN CN201920532182.5U patent/CN209833967U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941413A (en) * | 2019-04-18 | 2019-06-28 | 中国船舶重工集团公司第七一九研究所 | A kind of certainly floating model ballast |
| CN111319739A (en) * | 2020-03-25 | 2020-06-23 | 叶飞 | Buoyancy tank for ballast water system of ocean exploration equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20200418 |