CN208149544U - A kind of ship tiny bubble damping device - Google Patents

Abstract

The utility model discloses a kind of ship tiny bubble damping devices, including hull (1), coupled beams (2) are connected in the lower end of the hull (1), are equipped with micropore capillary (3) in the lower end surface of the coupled beams (2)；Air bin (4) are equipped in the hull (1), escape pipe (5) are connected in the upper end of the air bin (4), a micro- stomata group is respectively provided at the outlet position for corresponding to escape pipe (5) on the micropore capillary (3)；Air inlet pipe (6) are communicated in the lower end of the air bin (4), the connectivity part of the air inlet pipe (6) and air bin (4) is equipped with water fender (41), which stretches out hull (1) obliquely.Air inlet pipe, coupled beams and micropore capillary is arranged in the utility model, and the microbubble overflow process of the adaptive speed of a ship or plane is realized during navigation, had not only reduced the frictional resistance between ship and water body, but also can improve the safety of ship traveling, and simple and compact for structure, application is convenient.

Description

A kind of ship tiny bubble damping device

Technical field

The utility model relates to damping device technical field, in particular to a kind of ship tiny bubble damping device.

Background technique

Current ship dynamical system is pushed by driven by engine propeller, is existed between ship itself and water Frictional force, so that the running resistance of ship is larger, and in the air-pump type ship wetted surface Friction Reduction by Micro-bubbles technology used, but gas The power invariability of pump cannot carry out immediately the adjustment of microbubble supply amount, the gas of setting according to the state and needs of ship's navigation Pump and gas supply control system, will also increase system maintenance while also adding shipbuilding cost.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of supply amounts that can adjust drag reduction microbubble, reduce Frictional resistance between ship and water body, and the ship tiny bubble damping device of ship driving safety can be improved.

The technical solution of the utility model is as follows：

A kind of ship tiny bubble damping device, including hull are connected with coupled beams in the lower end of the hull, in the coupling The lower end surface for closing beam is equipped with micropore capillary；It is equipped with air bin in the hull, is connected at least in the upper end of the air bin One escape pipe, at least one described escape pipe are connected to micropore capillary, correspond to escape pipe on the micropore capillary Outlet position at be respectively provided with a circular micro- stomata group；Air inlet pipe, the air inlet pipe are communicated in the lower end of the air bin It is equipped with water fender with the connectivity part of air bin, which stretches out hull obliquely, which stretches to hull Front end.

Using the above structure, when ship high speed operation, hull bottom, which has, partly or entirely leaves the water surface, but in gravity Under effect, hull still returns to the water surface in meeting compartment of terrain, just because of coupling violent in this way between hull and ripples, is formed Hull jolts and vibrates, and influences the comfort of people's seating, and coupled beams are arranged, are on the one hand to increase hull in vertical direction Height, i.e., under conditions of high speed operation, the lower end of hull remains certain draft, prevents hull from leaving water The case where being flipped under airflow influence behind face improves the nevigation safety of ship；And on the other hand, by the air of hull With the relative velocity of ship's speed through air inlet pipe, the water droplet or sundries entered simultaneously with air is then blocked by water fender, only air into Enter air bin, and take advantage of a situation into escape pipe, escape pipe is connected to micropore capillary, and air passes through micro- on micropore capillary wall again Stomata along coupled beams lower edge gradually uniform spraying, in driving direction, to forming an isolation between coupled beams and water body Layer, so that coupled beams are during underwater is mobile, the frictional resistance between water body, in formed microbubble arc surface shape Under the influence of and be greatly lowered, simple and compact for structure, whole process is the adaptive microbubble overflow process of speed of a ship or plane, application It is convenient, it is applied widely.

For the ease of blocking sundries, preferably, at least two through-holes are placed on the water fender, it is each described logical Sieve is respectively and fixedly provided on hole.

In order to further increase air velocity in high speed, in order to generate microbubble, preferably, described at least two Through-hole is down big up small bell shape, and a sieve is respectively installed at the lower end aperture of each through-hole.

In order to improve the service efficiency of air-flow, preferably, eight escape pipes are connected in the upper end of the air bin, On the tube wall of the micropore capillary, the opposite sides of corresponding each escape pipe connectivity part are respectively provided with a micro- stomata group, described micro- Stomata group includes several evenly arranged micro- stomatas, and the diameter range of each micro- stomata is 0.1~0.5mm, micro- gas The density value range of hole arrangement is 80~100/cm²。

In order to reduce the resistance between ship and water body in due course, preferably, the coupled beams is left and right in high speed The section at both ends is step-like structure wide at the top and narrow at the bottom, and the step-like structure at both ends is arranged symmetrically.

Too many water is flowed into air inlet in order to prevent, preferably, static draft line is equipped on the hull, it is described The horizontal position of air inlet pipe extension end is higher than static draft line.

Beneficial effect：Air inlet pipe, coupled beams and micropore capillary is arranged in the utility model, realizes during navigation adaptive The microbubble overflow process for answering the speed of a ship or plane had not only reduced the frictional resistance between ship and water body, but also can improve the safety of ship traveling, Simple and compact for structure, application is convenient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is enlarged drawing at the A of Fig. 1.

Fig. 3 is the left view of Fig. 1.

Fig. 4 is enlarged drawing at the B of Fig. 3.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model is made of hull 1 etc., is connected in the lower end of the hull 1 There are coupled beams 2, the section at the left and right both ends of the coupled beams 2 is step-like structure wide at the top and narrow at the bottom, the step-like structure at both ends It is arranged symmetrically；Micropore capillary 3 is equipped in the lower end surface of the coupled beams 2.

It is equipped with air bin 4 in the hull 1, eight escape pipes 5 are connected in the upper end of the air bin 4, described micro- On the tube wall of hole capillary 3, the opposite sides of corresponding each 5 connectivity part of escape pipe are respectively provided with a micro- stomata group, micro- stomata Group includes several evenly arranged micro- stomatas 31, and the diameter range of each micro- stomata 31 is 0.1~0.5mm, micro- gas The density value range that hole 31 is arranged is 80~100/cm²；Air inlet pipe 6, the air inlet pipe are communicated in the lower end of the air bin 4 6 are equipped with water fender 41 with the connectivity part of air bin 4, and at least two through-holes are equipped on the water fender 41, and each through-hole is Down big up small bell shape is respectively installed with a sieve 411 at the lower end aperture of each through-hole.

The air inlet pipe 6 stretches out hull 1 obliquely, which stretches to the front end of hull 1；In the hull 1 It is equipped with static draft line 7, the horizontal position of 6 extension end of air inlet pipe is higher than static draft line 7.

The application method of the utility model is as follows：

As shown in fig. 1 to fig. 4, when ship high speed operation, 1 bottom of hull has and partly or entirely leaves the water surface, but Under gravity, hull 1 still returns to the water surface in meeting compartment of terrain, makees just because of coupling violent in this way between hull 1 and ripples With forming jolting and vibrating for hull, influence the comfort of people's seating, coupled beams 2 are arranged, are on the one hand to increase hull 1 In the height of vertical direction, i.e., under conditions of high speed operation, the lower end of hull 1 remains certain draft, prevents Only hull 1 leaves the case where being flipped after the water surface under airflow influence, while weakening the work of the coupling between hull 1 and ripples With improving the nevigation safety and comfort of ship.

On the other hand, hull 1 has draft to be accompanied by water always to the resistance of hull 1, in order to reduce the resistance of water, Air inlet pipe 6 is set on hull 1, and the bending segment by the air of hull 1 with the relative velocity of ship's speed through stretching out horizontally forward enters Air inlet pipe 6, since air inlet pipe 6 is arranged obliquely, the water droplet or sundries entered simultaneously with air under the effect of gravity will not 41 position of water fender is reached rapidly, and only air enters air bin 4 through several through-holes on water fender 41, under being all due to through-hole The air flow area product of small horn-like structure upper greatly, process reduces, and flow velocity increases, and takes advantage of a situation and rapidly enter eight escape pipes 5；Lasting during running at high speed, the water droplet or sundries of entrance can move closer to water fender 41, but always can be by water fender Sieve 411 on 41 blocks, and will not still enter air bin 4.

Eight escape pipes 5 are connected to micropore capillary 3, and the air of entrance passes through micro- gas on 3 tube wall of micropore capillary again Hole group sprays, and each micro- stomata group includes several evenly arranged micro- stomatas 31, the diameter range of each micro- stomata 31 It is 0.1~0.5mm, preferably 0.5mm, the density value range which arranges is 80~100/cm², preferably 85 A/cm², in this way, by taking the speed of 300km/h traveling as an example, the microbubble that micro- stomata 31 sprays is along coupling in driving direction 2 lower end surface of beam sheds, and along the lateral wall of coupled beams 2, in succession by the step surface in coupled beams 2, can make under coupled beams 2 Between edge and the step-like structure and water body at left and right both ends, a separation layer is all formed, so that coupled beams 2 are moved down in the water surface In dynamic process, the frictional resistance between water body is greatly lowered under the influence of formed microbubble arc surface shape.

And in the driving process of normal speed, the setting of microbubble and coupled beams 2 that micro- stomata 31 sprays, also not shadow Ring the normal use of ship；If being used on three-body or multi-hull ship, air inlet 6 should be arranged in as far as possible main hull and secondary hull it Between, to obtain the Scroll-tupe moving air formed between main hull and secondary hull, it also can be reduced some resistance, structure is simply tight It gathers, whole process is the adaptive microbubble overflow process of the speed of a ship or plane, and application is convenient, applied widely.

In the present embodiment, the quantity of the number of openings of water fender 41, the quantity of escape pipe 5 and micro- stomata 31, to meet Subject to the design of service efficiency, diagram quantity does not have uniqueness.

The non-description section of the utility model is consistent with the prior art, and this will not be repeated here.

The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks Domain, similarly within the scope of patent protection of the utility model.

Claims (6)

1. a kind of ship tiny bubble damping device, it is characterised in that：Including hull (1), it is connected in the lower end of the hull (1) Coupled beams (2) are equipped with micropore capillary (3) in the lower end surface of the coupled beams (2)；Air bin is equipped in the hull (1) (4), be connected at least one escape pipe (5) in the upper end of the air bin (4), at least one described escape pipe (5) with it is micro- Hole capillary (3) is connected to, and is respectively provided with a circle at the outlet position for corresponding to escape pipe (5) on the micropore capillary (3) Micro- stomata group；It is communicated with air inlet pipe (6) in the lower end of the air bin (4), the connection of the air inlet pipe (6) and air bin (4) Place is equipped with water fender (41), which stretches out hull (1) obliquely, before which stretches to hull (1) End.

2. a kind of ship tiny bubble damping device according to claim 1, it is characterised in that：On the water fender (41) At least two through-holes are placed with, sieve (411) are respectively and fixedly provided on each through-hole.

3. a kind of ship tiny bubble damping device according to claim 2, it is characterised in that：At least two through-holes are equal For down big up small bell shape, a sieve (411) is respectively installed at the lower end aperture of each through-hole.

4. a kind of ship tiny bubble damping device according to claim 1, it is characterised in that：In the air bin (4) Upper end is connected with eight escape pipes (5), on the tube wall of the micropore capillary (3), corresponding each escape pipe (5) connectivity part Opposite sides are respectively provided with a micro- stomata group, and micro- stomata group includes several evenly arranged micro- stomatas (31), each described The diameter range of micro- stomata (31) is 0.1~0.5mm, and the density value range of micro- stomata (31) arrangement is 80~100/cm²。

5. a kind of ship tiny bubble damping device according to claim 1, it is characterised in that：A left side for the coupled beams (2), The section at right both ends is step-like structure wide at the top and narrow at the bottom, and the step-like structure at both ends is arranged symmetrically.

6. a kind of ship tiny bubble damping device according to claim 1, it is characterised in that：It is set on the hull (1) Have static draft line (7), the horizontal position of air inlet pipe (6) extension end is higher than static draft line (7).