CN102974507B - Steering oar fairwater inner wall oiling method and oiling device - Google Patents
Steering oar fairwater inner wall oiling method and oiling device Download PDFInfo
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- CN102974507B CN102974507B CN201210451206.7A CN201210451206A CN102974507B CN 102974507 B CN102974507 B CN 102974507B CN 201210451206 A CN201210451206 A CN 201210451206A CN 102974507 B CN102974507 B CN 102974507B
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- kuppe
- rudder oar
- antirust oil
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Abstract
The invention relates to a steering oar fairwater inner wall oiling method and a steering oar fairwater inner wall oiling device. The oiling method comprises the steps that: a small amount of antirust oil is filled into the steering oar fairwater; a first liquid is filled into the steering oar fairwater until the antirust oil starts to overflow from an air-permeating port on the top of the steering oar fairwater; and the antirust oil and the first liquid are discharged from the steering oar fairwater. The oiling device comprises an oil filling unit, a discharge unit, and an overflow unit. The oiling method and the oiling device provided by the invention have the advantage of simple, fast, and safe operation. With the device and the method, production efficiency can be effectively improved, production cost can be reduced, and production safety can be ensured.
Description
Technical field
The present invention relates to technical field of ships, is a kind of rudder oar kuppe inwall oiling method specifically.
Background technology
Bulb type rudder (bulb-type rudder), also known as fair water cone rudder, it in the middle part of the rudder blade of rudder oar, is positioned at rudder oar axis place rotational-like baffle (i.e. kuppe) is housed, and has the rudder of rectified action.The shape of kuppe is similar with pears, and advance aploid also known as Ge Sida, its size need match with the propeller hub of rudder oar.Kuppe can improve rudder oar streamflow regime below, thus improves propulsive efficiency, and it produces effects comparatively remarkable for the propeller hub of the less rudder of the rudder blade thickness such as flat plate rudder and tubbiness, often can improve propulsive efficiency 2% ~ 4%.
The material of rudder oar kuppe is generally metal, in order to prevent rudder oar kuppe internal corrosion, usually needs to use antirust oil to carry out painting oil processing to rudder oar kuppe inwall.And due to rudder oar kuppe inside be an airtight space, only offer filler in the bottom of rudder oar kuppe and offer ventilation mouth at top, filler and ventilation mouth are plugged with vexed plug respectively, therefore cannot carry out conventional paint spraying work.Existing way injects a small amount of antirust oil to rudder oar kuppe inside, then the transfer of rudder oar kuppe is fixed on turning device, turning device is utilized to drive the upset of rudder oar kuppe, the antirust oil in rudder oar kuppe is made to flow in kuppe inside and fill whole kuppe inwall everywhere, there is following defect in this way: due to the size of rudder oar kuppe and weight all very large, therefore need to configure corresponding relatively large turning device, not only increase production cost and take production space, and it is large to overturn the energy consumed, also certain potential safety hazard is there is in switching process, in addition, transfer and fixing also needs consume a large amount of manpower and materials, production efficiency is low, production cost is high, production security is low.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the rudder oar kuppe inwall oiling station that technical problem to be solved by this invention is to provide a kind of simple to operate, quick, safe rudder oar kuppe inwall oiling method and provides a kind of structure simple, easy to operate.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of rudder oar kuppe inwall oiling method, is characterized in that, comprise the following steps:
Step 1, in rudder oar kuppe, inject a small amount of antirust oil;
Step 2, in rudder oar kuppe, inject first liquid until the ventilation mouth at rudder oar kuppe top has antirust oil to overflow;
Antirust oil in step 3, discharge rudder oar kuppe and first liquid;
Wherein, described first liquid be density be greater than antirust oil and with antirust oil objectionable intermingling and the liquid that chemical reaction does not occur.
Wherein, the injection rate of described antirust oil is minimum will meet the following conditions: in the process performing step 2, the antirust oil in rudder oar kuppe is paved with the liquid level of whole first liquid all the time.
Rudder oar kuppe inwall oiling method provided by the present invention, utilize density contrast principle dexterously, the oiling work of whole rudder oar kuppe inwall can be completed in the process that antirust oil is elevated in the lifting of the liquid level along with first liquid, fast and safely simple to operate, required human and material resources and the energy greatly reduce, reduce production cost, improve production efficiency, ensure that the personal safety as well as the property safety in production process.
In order to optimize the present invention further, in step 3, the antirust oil in rudder oar kuppe and first liquid are discharged from the filler bottom rudder oar kuppe, and in discharge process, the antirust oil in rudder oar kuppe is paved with the liquid level of whole first liquid all the time.
In order to optimize the present invention further, in step 1, the injection rate of described antirust oil is 3% ~ 5% of rudder oar kuppe internal volume.
In order to optimize the present invention further, described first liquid is water.
In order to solve the problems of the technologies described above, another technical scheme that the present invention adopts is:
A kind of rudder oar kuppe inwall oiling station, comprises oil filling unit, vent unit and overflow unit.
Described oil filling unit comprises filling conduit and the first valve be arranged in series on described filling conduit and gasoline pump, and one end of described filling conduit is connected with the filler bottom rudder oar kuppe, and the other end is connected with water source or antirust oil;
Described vent unit comprises release pipeline and second valve of releasing on pipeline described in being arranged on, described in release one end of pipeline be connected with the filler bottom rudder oar kuppe, the other end is connected with liquid storage container;
Described overflow unit comprises ventilative overflow passage and is arranged on the 3rd valve on described ventilative overflow passage, and one end of described ventilative overflow passage is connected with the ventilation mouth at rudder oar kuppe top, and the other end is connected with liquid storage container.
Wherein, the filling conduit between described first valve and gasoline pump is also provided with Pressure gauge.
Rudder oar kuppe inwall oiling station provided by the present invention, structure is simple, with low cost, it is little to take up room, it is few to consume the energy, and easy to operate, quick, safety, effectively can enhance productivity, reduce production cost, ensure production safety.
Accompanying drawing explanation
Figure 1 shows that the device schematic diagram of the embodiment of the present invention.
Label declaration:
4, rudder oar kuppe; 5, water source or antirust oil; 6, liquid storage container;
10, filling conduit; 11, the first valve; 12, Pressure gauge; 13, gasoline pump;
20, to release pipeline; 21, the second valve; 30, ventilative overflow passage;
31, the 3rd valve; 40, filler; 41, ventilation mouth.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to shown in Fig. 1, the rudder oar kuppe inwall oiling station of present embodiment, comprises oil filling unit, vent unit and overflow unit.
Described oil filling unit comprises filling conduit 10 and is arranged in series the first valve 11, Pressure gauge 12 and gasoline pump 13 on described filling conduit 10, one end of described filling conduit 10 is connected with the filler 40 bottom rudder oar kuppe 4, and the other end is connected with water source or antirust oil 5;
Described vent unit comprises release pipeline 20 and second valve 21 of releasing on pipeline 20 described in being arranged on, described in release one end of pipeline 20 be connected with the filler 40 bottom rudder oar kuppe 4, the other end is connected with liquid storage container 6;
The 3rd valve 31 that described overflow unit comprises ventilative overflow passage 30 and is arranged on described ventilative overflow passage 30, one end of described ventilative overflow passage 30 is connected with the ventilation mouth 41 at rudder oar kuppe 4 top, and the other end is connected with liquid storage container 6.
Oiling station shown in composition graphs 1, oiling method of the present invention is as follows:
Step 1, the other end of filling conduit 10 to be connected with antirust oil, open the first valve 11 and the 3rd valve 31, close the second valve 21, then open the antirust oil that gasoline pump 13 injects about 80L in rudder oar kuppe 4, the gas in rudder oar kuppe 4 is then discharged by ventilative overflow passage 30 and the 3rd valve 31;
In step 1, the injection rate of antirust oil need through calculating in advance repeatedly, due to the inwall that the antirust oil in rudder oar kuppe 4 can constantly be coated to rudder oar kuppe 4 along with the carrying out of step 2 being consumed, therefore inject and probably cause the inwall of rudder oar kuppe 4 local do not touch antirust oil thus coating cannot be realized very little, inject the waste then causing raw material and the energy too much, improve cost.Think after the present invention's research, inwall in order to ensure whole rudder oar kuppe 4 all can coated by antirust oil, the injection rate of described antirust oil is minimum will meet the following conditions: in the process performing step 2, antirust oil in rudder oar kuppe 4 be paved with all the time whole first liquid (described first liquid be density be greater than antirust oil and with antirust oil objectionable intermingling and the liquid that chemical reaction does not occur, in the present embodiment, first liquid selects water, refer to step 2) liquid level, specific to numerical value, injection rate is that 3% ~ 5% of rudder oar kuppe 4 internal volume is advisable, so both can effectively avoid local without the problem of coating, again reduce cost.
Step 2, keep the first valve 11, the 3rd valve 31 opening, the second valve 21 closed condition, is connected the other end of filling conduit 10 with water source, then opens gasoline pump 13 to water filling in rudder oar kuppe 4.In the injecting process, because the density of antirust oil is less than water, therefore antirust oil floats on the surface and flow in top along with the rising of the water surface gradually to rudder oar kuppe 4 all the time, is coated on the inwall of rudder oar kuppe 4 simultaneously.When the ventilation mouth 41 at rudder oar kuppe 4 top has antirust oil to overflow, (ventilative overflow passage 30 adopts transparent hose, antirust oil whether is had to overflow by transparent hose and observable ventilation mouth 41 place), illustrate that the antirust oil in rudder oar kuppe 4 has filled the inwall of whole rudder oar kuppe 4, now close the first valve 11, the 3rd valve 31 and gasoline pump 13 at once;
Step 3, open the second valve 21 and the 3rd valve 31, the antirust oil in rudder oar kuppe 4 and water are released in liquid storage container 6.
In step 3, in order to improve the coating effect of antirust oil to rudder oar kuppe 4 inwall further, release in process, antirust oil in rudder oar kuppe 4 is paved with the liquid level of whole first liquid all the time, thus make antirust oil carry out secondary coating to the inwall of whole rudder oar kuppe 4 again while releasing, strengthen coating effect.The realization of the program realizes by the injection rate of antirust oil in set-up procedure 1, and preferably, the injection rate of antirust oil is 3% ~ 5% of rudder oar kuppe 4 internal volume, so both can ensure enough antirust oil to realize secondary coating, and can reduce costs again.
In addition, before step 1, can also comprise the following steps:
Steps A: before installation oiling station, unclamp two vexed plugs of the ventilation mouth 41 at rudder oar kuppe 4 top and the filler 40 of bottom, a small amount of antirust oil residual in rudder oar kuppe 4 is released, when unclamping the vexed plug of bottom filler 40, connects the antirust oil of outflow with ready little Plastic Drum;
Step B: after connecting oiling station (other end of filling conduit 10 is connected with water source) shown in Fig. 1, open the first valve 11, second valve 21 and the 3rd valve 31, then open gasoline pump 13 to water filling in rudder oar kuppe 4, check the sealing situation of filling conduit 10, release pipeline 20 and ventilative overflow passage 30;
Step C: close the second valve 21, utilizes gasoline pump 13 antirust oil in rudder oar kuppe 4 and water all to be extracted out.
After step 3 terminates, remove oiling station, vexed plug got back into ventilation mouth 41 and filler 40 and be coated with gutta-percha.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a rudder oar kuppe inwall oiling method, is characterized in that, comprise the following steps:
Step 1, in rudder oar kuppe, inject a small amount of antirust oil;
Step 2, in rudder oar kuppe, inject first liquid until the ventilation mouth at rudder oar kuppe top has antirust oil to overflow;
Antirust oil in step 3, discharge rudder oar kuppe and first liquid;
Wherein, described first liquid be density be greater than antirust oil and with antirust oil objectionable intermingling and the liquid that chemical reaction does not occur;
Wherein, the injection rate of described antirust oil is minimum will meet the following conditions: in the process performing step 2, the antirust oil in rudder oar kuppe is paved with the liquid level of whole first liquid all the time;
In step 3, the antirust oil in rudder oar kuppe and first liquid are discharged from the filler bottom rudder oar kuppe, and in discharge process, the antirust oil in rudder oar kuppe is paved with the liquid level of whole first liquid all the time.
2. rudder oar kuppe inwall oiling method according to claim 1, it is characterized in that: in step 1, the injection rate of described antirust oil is 3% ~ 5% of rudder oar kuppe internal volume.
3. the rudder oar kuppe inwall oiling method according to claim 1 to 2 any one, is characterized in that: described first liquid is water.
4. a rudder oar kuppe inwall oiling station, is characterized in that: comprise oil filling unit, vent unit and overflow unit,
Described oil filling unit comprises filling conduit and the first valve be arranged in series on described filling conduit and gasoline pump, and one end of described filling conduit is connected with the filler bottom rudder oar kuppe, and the other end is connected with water source or antirust oil;
Described vent unit comprises release pipeline and second valve of releasing on pipeline described in being arranged on, described in release one end of pipeline be connected with the filler bottom rudder oar kuppe, the other end is connected with liquid storage container;
Described overflow unit comprises ventilative overflow passage and is arranged on the 3rd valve on described ventilative overflow passage, and one end of described ventilative overflow passage is connected with the ventilation mouth at rudder oar kuppe top, and the other end is connected with liquid storage container.
5. rudder oar kuppe inwall oiling station according to claim 4, is characterized in that: the filling conduit between described first valve and gasoline pump is also provided with Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210451206.7A CN102974507B (en) | 2012-11-12 | 2012-11-12 | Steering oar fairwater inner wall oiling method and oiling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210451206.7A CN102974507B (en) | 2012-11-12 | 2012-11-12 | Steering oar fairwater inner wall oiling method and oiling device |
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| Publication Number | Publication Date |
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| CN102974507A CN102974507A (en) | 2013-03-20 |
| CN102974507B true CN102974507B (en) | 2015-06-17 |
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| CN201210451206.7A Active CN102974507B (en) | 2012-11-12 | 2012-11-12 | Steering oar fairwater inner wall oiling method and oiling device |
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| CN107159522B (en) * | 2017-05-24 | 2023-04-07 | 吉林大学 | Device for uniformly coating polyurethane anti-drag material on surface of impeller |
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| JP2690520B2 (en) * | 1988-09-22 | 1997-12-10 | 日本特殊陶業株式会社 | METHOD AND DEVICE FOR FORMING SLIP CAP ON CYLINDER |
| US20010053416A1 (en) * | 1997-03-04 | 2001-12-20 | Leendertsen Howard V. | Methods and apparatus for applying liquid fluoropolymer solutions to substrates |
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Address after: 350000 1 boat Road, kudu Island, Lianjiang Town, Fuzhou, Fujian Patentee after: Fujian MaWei ShipBuilding Ltd. Address before: No. 3, Mawei, Fujian Province, Fuzhou City, Fujian Patentee before: Fujian MaWei ShipBuilding Ltd. |