CN111413236A - High altitude power equipment surface coating durability testing arrangement - Google Patents
High altitude power equipment surface coating durability testing arrangement Download PDFInfo
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- CN111413236A CN111413236A CN202010288945.3A CN202010288945A CN111413236A CN 111413236 A CN111413236 A CN 111413236A CN 202010288945 A CN202010288945 A CN 202010288945A CN 111413236 A CN111413236 A CN 111413236A
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- sand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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Abstract
The invention discloses a device for testing the durability of a surface coating of high-altitude power equipment, which comprises a blowing bin which is longitudinally arranged, wherein a blowing device and a sand supply device are arranged in the blowing bin; the air blowing device comprises a fixed chassis, a rotary table, a wind shielding disc and an air blowing fan which are sequentially arranged from bottom to top, wherein a water supply pipe is arranged above the rotary table; the sand supply device comprises a sand supply pipeline, a rotating shaft is arranged in the sand supply pipeline, a helical blade is axially arranged on the rotating shaft, a sand grain storage groove is formed in the bottom of the sand supply pipeline, a sample plate placing frame is arranged in the end portion, close to the sand grain storage groove, of the air blowing bin, and a sample plate with a test coating is placed in the sample plate placing frame. The invention simulates the erosion and damage of wind sand to the surface coating of the high-altitude power equipment for a long time in outdoor natural climate, and provides reference value for researchers.
Description
Technical Field
The invention belongs to the technical field of related accessories of power equipment, and relates to a device for testing the durability of a coating on the surface of high-altitude power equipment.
Background
The equipment in the overhead power equipment is expensive in construction and maintenance, and part of the maintenance is mainly due to the surface corrosion problem of the power equipment, so the corrosion of the power equipment is reasonably reduced, the maintenance cost is saved, and the maintenance cost is reduced. In the prior art, the surface of the power equipment is sprayed with the anticorrosive paint, and the power equipment is exposed in an outdoor environment for a long time, so that the long-term erosion of wind, sand and rainwater is realized, the oxidation of the anticorrosive paint is accelerated, and the anticorrosive paint is aged, chapped and peeled.
Disclosure of Invention
The invention aims to overcome the defect that no device specially used for testing the corrosion resistance and damage resistance degree of a coating of high-altitude power equipment exists in the prior art, and provides a device for testing the durability of the coating on the surface of the high-altitude power equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-altitude power equipment surface coating durability testing device comprises a blowing bin which is longitudinally arranged, wherein the blowing bin is of a cylindrical structure with two open ends, a blowing device and a sand supply device are arranged in the blowing bin, and the sand supply device is positioned at the lower part of the blowing device;
the air blowing device comprises a fixed chassis, a rotary disc, a wind shielding disc and a blowing fan, wherein the fixed chassis, the rotary disc, the wind shielding disc and the end part of the air blowing bin are all concentric circles, the rotary disc is positioned between the fixed chassis and the wind shielding disc and is driven by a motor to rotate, the fixed chassis and the wind shielding disc are fixed in the air blowing bin, the diameters of the fixed chassis and the wind shielding disc are smaller than the inner diameter of the air blowing bin, the diameter of the rotary disc is smaller than that of the fixed chassis, the blowing fan is positioned at the upper part of the wind shielding disc, a water supply pipe is arranged above the rotary disc, and water in the water supply pipe is conveyed onto;
the sand supply device comprises a sand supply pipeline positioned in the center of the air blowing bin, the sand supply pipeline is vertical, a rotating shaft driven by a motor to rotate is arranged in the sand supply pipeline, a helical blade is axially arranged on the rotating shaft, a sand grain accommodating groove is formed in the bottom of the sand supply pipeline, sand grains are fully contained in the sand grain accommodating groove, the sand grain accommodating groove is positioned outside the air blowing bin, a sample plate placing frame is arranged in the end part, close to the sand grain accommodating groove, of the air blowing bin, and a sample plate with a test coating is placed in the sample plate placing frame; and a dispersion slope is arranged outside the upper part of the sand supply pipeline in a circle and is of an umbrella-shaped structure.
As a further preferable scheme, the sand grain accommodating groove is of a concave structure, and the lower end of the sand supply pipeline is located at the lowest point of the concave structure.
As a further preferable scheme, the lower part of the sand grain accommodating groove is provided with a water storage bin, and a sand filtering layer is arranged between the water storage bin and the lowest concave point of the sand grain accommodating groove; the lateral part of the air blowing bin is a circulating pipeline, one end of the circulating pipeline is connected with a water supply pipe, the other end of the circulating pipeline is connected with a water storage bin, and a water pump for pumping water into the circulating pipeline is arranged in the water storage bin.
As a further preferable scheme, an annular net is arranged around the edge of the fixed base plate, and the rotary plate is positioned in the annular net.
As a further preferable mode, a surface of the windshield disc facing the blower fan is convex.
As a further preferable scheme, the rotary disc is of a concave structure, and the pipe orifice of the water supply pipe is located at the center of the concave structure of the rotary disc.
As a further preferable scheme, a plurality of layers of differentiation nets are arranged between the sand supply pipeline and the inner wall of the blast bin.
The invention simulates the erosion and damage of wind sand to the surface coating of the high-altitude power equipment for a long time in outdoor natural climate, and the simulated damage corrosion degree can provide reference value for researchers.
Drawings
FIG. 1 is a top view of the present invention;
wherein: the sand-blasting sand-collecting device comprises a blowing bin 1, a fixed base plate 2, a rotary table 3, a wind-shielding plate 4, a blowing fan 5, a sand supply pipeline 6, a rotating shaft 7, a spiral blade 8, a sand grain collecting groove 9, a sample plate placing frame 10, a water supply pipe 11, a water storage bin 12, a sand filtering layer 13, a circulating pipeline 14, an annular net 15 and a differentiation net 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The device for testing the durability of the surface coating of the high-altitude power equipment comprises a blowing bin 1 which is longitudinally arranged, wherein the blowing bin 1 is of a cylindrical structure with openings at two ends, a blowing device and a sand supply device are arranged in the blowing bin 1, and the sand supply device is positioned at the lower part of the blowing device;
the air blowing device comprises a fixed chassis 2, a rotary disc 3, a wind shielding disc 4 and a blowing fan 5, wherein the end part of the fixed chassis 2, the rotary disc 3, the wind shielding disc 4 and a blowing bin 1 are circular and concentric circles, the rotary disc 3 is positioned between the fixed chassis 2 and the wind shielding disc 4 and is driven by a motor to rotate, the fixed chassis 2 and the wind shielding disc 4 are fixed in the blowing bin 1, the diameter of the fixed chassis 2 and the wind shielding disc 4 is smaller than the inner diameter of the blowing bin 1, the diameter of the rotary disc 3 is smaller than that of the fixed chassis 2, the blowing fan 5 is positioned on the upper part of the wind shielding disc 4, one surface of the wind shielding disc 4 facing the blowing fan 5 is a convex surface, the wind resistance is ensured to be small, a water supply pipe 11 is arranged above the rotary disc 3, water in the water supply pipe 11 is conveyed to the rotary disc 3, water discharged from the water supply pipe 11 is thrown to the rotary disc 3, along with the rotation, dispersed into smaller water droplets and finally blown to the lower part by the wind of the blowing fan 5;
furthermore, the turntable 3 is of an inwards concave structure, the pipe opening of the water supply pipe 11 is located at the center of the inwards concave structure of the turntable 3, the distance of throwing away water can be increased by the inwards concave structure of the turntable 3, centrifugal force is improved, and water differentiation effect is improved.
The sand supply device comprises a sand supply pipeline 6 positioned in the center of the blast bin 1, the sand supply pipeline 6 is vertical, a rotating shaft 7 driven by a motor to rotate is arranged in the sand supply pipeline 6, a spiral blade 8 is axially arranged on the rotating shaft 7, a sand grain accommodating groove 9 is formed in the bottom of the sand supply pipeline 6, sand grains are fully contained in the sand grain accommodating groove 9, the sand grain accommodating groove 9 is of a concave structure, the lower end of the sand supply pipeline 6 is positioned at the lowest point of the concave structure, sand grains are conveniently concentrated towards the lower end of the sand supply pipeline 6, the sand grains are smoothly conveyed upwards, the sand grain accommodating groove 9 is positioned outside the blast bin 1, a sample plate placing frame 10 is arranged in the end part, close to the sand grain accommodating groove 9, of the blast bin 1, a sample plate with a test coating is placed in the sample plate placing frame 10, a dispersion slope 17 is arranged on the periphery outside the upper part of the sand supply pipeline 6, and the dispersion slope 17 is of; during the use, pivot 7 rotates and drives helical blade 8 and rotate, and helical blade 8 receives the sand grain of inslot 9 with the sand grain and upwards transmits, evenly spills in dispersion slope 17 after supplying husky pipeline 6 top to spill, rolls the diffusion to all around gradually, is blown to the lower part by the wind of blast fan 5 at last, contacts each sample board, carries out the wearing and tearing simulation test to the coating on the sample board, if the delivery pipe 11 of carousel 3 top is opened, then forms the simulation state that water smoke and sand grain mix, is closer to the test environment in wind and rain weather.
Furthermore, a water storage bin 12 is arranged at the lower part of the sand grain accommodating groove 9, and a sand filter layer 13 is arranged between the water storage bin 12 and the lowest concave point of the sand grain accommodating groove 9; the side part of the air blowing bin 1 is provided with a circulating pipeline 14, one end of the circulating pipeline 14 is connected with a water supply pipe 11, the other end of the circulating pipeline 14 is connected with a water storage bin 12, and a water pump for pumping water into the circulating pipeline 14 is arranged in the water storage bin 12; when the device is used, water sprayed from the water supply pipe 11 is mixed with sand particles to act on the test coating and then falls into the sand particle containing groove 9, the sand particles are gathered, and the water can enter the water storage bin 12 through the sand filter layer 13 and finally reenters the water supply pipe 11 through the circulating pipeline 14, so that the water is recycled; in order to improve the testing effect, the water with the pH value is used as the testing water, so the recycling of the water saves the cost and reduces the discharge.
In order to improve the water mist differentiation effect, an annular net 15 is arranged on the periphery of the fixed chassis 2, the rotary table 3 is positioned in the annular net 15, a plurality of layers of differentiation nets 16 are arranged between the sand supply pipeline 6 and the inner wall of the blowing bin 1, water is sprayed out from the water supply pipe 11 and thrown out through the rotary table 3 to impact the annular net 15, then the differentiation nets 16 are further impacted under the action of the blowing fan 5 to form smaller water drops and water mist, the combination of the water and the sand is facilitated, the agglomerated sand clusters can be differentiated into dispersed sand particles with water, and a real simulation environment is created.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a high altitude power equipment surface coating durability test device which characterized in that: the sand blasting machine comprises a longitudinally-arranged air blasting bin (1), wherein the air blasting bin (1) is of a cylindrical structure with two open ends, an air blasting device and a sand supplying device are arranged in the air blasting bin (1), and the sand supplying device is positioned at the lower part of the air blasting device;
the air blowing device comprises a fixed chassis (2), a rotary disc (3), a wind shielding disc (4) and a blowing fan (5), the fixed chassis (2), the rotary disc (3), the wind shielding disc (4) and the end part of the blowing bin (1) are all concentric circles, the rotary disc (3) is positioned between the fixed chassis (2) and the wind shielding disc (4) and is driven by a motor to rotate, the fixed chassis (2) and the wind shielding disc (4) are fixed in the blowing bin (1), the diameters of the fixed chassis (2) and the wind shielding disc (4) are smaller than the inner diameter of the blowing bin (1), the diameter of the rotary disc (3) is smaller than the fixed chassis (2), the blowing fan (5) is positioned at the upper part of the wind shielding disc (4), a water supply pipe (11) is arranged above the rotary disc (3), and water in the water supply pipe (11) is conveyed to the rotary disc (3);
the sand supply device comprises a sand supply pipeline (6) located at the center of the blast bin (1), the sand supply pipeline (6) is vertical, a rotating shaft (7) driven by a motor to rotate is arranged in the sand supply pipeline (6), a spiral blade (8) is axially arranged on the rotating shaft (7), a sand grain accommodating groove (9) is formed in the bottom of the sand supply pipeline (6), the sand grain accommodating groove (9) is filled with sand grains, the sand grain accommodating groove (9) is located outside the blast bin (1), a sample plate placing frame (10) is arranged in the end portion, close to the sand grain accommodating groove (9), of the blast bin (1), and a sample plate with a test coating is placed in the sample plate placing frame (10); a circle outside the upper part of the sand supply pipeline (6) is provided with a dispersion slope (17), and the dispersion slope (17) is of an umbrella-shaped structure.
2. The high altitude power equipment surface coating durability test device of claim 1 characterized by: the sand grain accommodating groove (9) is of a concave structure, and the lower end of the sand supply pipeline (6) is located at the lowest point of the concave structure.
3. The high altitude power equipment surface coating durability test device of claim 2 characterized in that: a water storage bin (12) is arranged at the lower part of the sand grain accommodating groove (9), and a sand filter layer (13) is arranged between the water storage bin (12) and the lowest concave point of the sand grain accommodating groove (9); the lateral part of the air blowing bin (1) is provided with a circulating pipeline (14), one end of the circulating pipeline (14) is connected with a water supply pipe (11), the other end of the circulating pipeline is connected with a water storage bin (12), and a water pump for pumping water into the circulating pipeline (14) is arranged in the water storage bin (12).
4. The high altitude power equipment surface coating durability test device of claim 1 characterized by: an annular net (15) is arranged on the periphery of the edge of the fixed chassis (2), and the rotary disc (3) is located in the annular net (15).
5. The high altitude power equipment surface coating durability test device of claim 1 characterized by: and one surface of the wind shielding disc (4) facing the blowing fan (5) is a convex surface.
6. The high altitude power equipment surface coating durability test device of claim 1 characterized by: the rotary table (3) is of an inwards concave structure, and the pipe opening of the water supply pipe (11) is located at the center of the inwards concave structure of the rotary table (3).
7. The high altitude power equipment surface coating durability test device of claim 1 characterized by: a plurality of layers of differentiation nets (16) are arranged between the sand supply pipeline (6) and the inner wall of the blast bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010288945.3A CN111413236A (en) | 2020-04-14 | 2020-04-14 | High altitude power equipment surface coating durability testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010288945.3A CN111413236A (en) | 2020-04-14 | 2020-04-14 | High altitude power equipment surface coating durability testing arrangement |
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| Publication Number | Publication Date |
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| CN111413236A true CN111413236A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010288945.3A Pending CN111413236A (en) | 2020-04-14 | 2020-04-14 | High altitude power equipment surface coating durability testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114419976A (en) * | 2022-01-04 | 2022-04-29 | 山东省计算中心（国家超级计算济南中心） | City planning model |
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2020
- 2020-04-14 CN CN202010288945.3A patent/CN111413236A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114419976A (en) * | 2022-01-04 | 2022-04-29 | 山东省计算中心（国家超级计算济南中心） | City planning model |
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