High-voltage motor cooler air duct cleaning method

Abstract

The invention discloses a high-voltage motor cooler air duct cleaning method. Currently, a simple tool is often poor in cleaning effect, and accumulated powder and accumulated dust in an air duct are adhered to the inner wall of an air belt after being solidified and cannot be effectively removed. The method comprises the following steps that the position of the device abutting against an arc plate needs to be adjusted, so that a steel wire sponge cleaning pad can make contact with the inner wall of an air duct and has certain pressure; a nut is welded to the end of the screw rod, the screw rod is rotated, the screw rod is in threaded connection with the threaded sleeve, so that the screw rod moves downwards, the threaded sleeve is hinged to each inner rod through a connecting rod, the inner rods are pushed to slide under pushing of the connecting rods, the four abutting arc plates move outwards at the same time, and the size of the formed cleaning ring is changed. Stopping until the formed clean ring shape is slightly larger than the inner wall of the air duct; the device extends into the air duct, the steel wire sponge cleaning pad is tightly attached to the inner wall of the air duct, and accumulated powder attached to the inner wall of the air duct can be effectively removed after back-and-forth operation; the device is used for cleaning the high-voltage motor cooler air duct.

Description

Technical Field

[0001] The invention relates to a method for cleaning an air duct of a high-voltage motor cooler. Background Art

[0002] Due to the effects of surface dust and wind and sand, powder and dust are easily accumulated in the cooling ducts of high-voltage motors in power plants, causing the cooling ducts to be blocked or even clogged, which greatly reduces the cooling effect of the motor cooler, and then causes the motor winding temperature to rise, insulation aging, and even motor burnout. Therefore, it is particularly important to clean and unblock the cooling ducts of the motors in a timely manner. At present, there are no special cleaning tools in China for duct cleaning. Only a thin bamboo pole or a hard iron wire head wrapped in cotton cloth is used to poke into the duct for cleaning. This simple tool often has a poor cleaning effect. The accumulated powder and dust in the duct solidify and stick to the inner wall of the wind belt, which cannot be effectively removed. Therefore, the present invention provides a high-voltage motor cooler duct cleaning method to solve the above problems. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a method for cleaning the air duct of a high-voltage motor cooler.

[0004] The above purpose is achieved through the following technical solutions: A method for cleaning an air duct of a high-voltage motor cooler, the method comprising the following steps: (1) The device needs to be adjusted to the position against the arc plate so that its wire sponge cleaning pad can contact the inner wall of the air duct and have a certain pressure; (2) A nut is welded at the end of the screw. When the screw is rotated, the screw is threadedly connected to the sleeve, causing the screw to move downward. Since the sleeve and each inner rod are hinged through a connecting rod, the inner rod is pushed to slide under the push of the connecting rod, causing the four arc plates to move outward at the same time, thereby changing the size of the formed cleaning ring until the formed cleaning ring is adjusted to be slightly larger than the inner wall of the air duct; (3) Remove the second bolt and the third bolt, align the positioning holes on the first tube with the second tube, slide the second tube to adjust the length of the telescopic rod, and screw on the second bolt after the adjustment is completed. The second bolt passes through the positioning hole of the first tube, and then slide the third tube. After the sliding is completed, screw on the third bolt, and the third bolt passes through the positioning holes of the second tube and the first tube; (4) After adjusting the telescopic rod, extend the device into the air duct so that its wire sponge cleaning pad is close to the inner wall of the air duct. After running back and forth, it can effectively remove the accumulated powder attached to the inner wall of the air duct, greatly improving the cleaning effect and efficiency.

[0005] The method for cleaning the air duct of a high-voltage motor cooler is as follows: the end of the telescopic rod is fixed to the support platform, four outer sleeves are fixed to the side of the support platform, the four outer sleeves are evenly arranged in a circle along the center of the support platform, an inner rod is inserted into each outer sleeve, the inner rod is slidably matched with the outer sleeve, the end of the inner rod is fixed to the abutting arc plate, and a steel sponge cleaning pad is fixed to the back of the abutting arc plate; The support platform is connected with the screw rod through a bearing. The screw rod is sleeved with a screw sleeve. The side of the screw sleeve is hinged to one end of four connecting rods. The other end of the connecting rod is hinged to the support column on the inner rod at the corresponding position.

[0006] The method for cleaning the air duct of a high-voltage motor cooler is as follows: the telescopic rod includes a first tube, a second tube and a third tube; the first tube is fixed on the support platform; the second tube is sleeved on the first tube; the third tube is sleeved on the second tube; the side walls of the first tube and the second tube are evenly provided with a plurality of positioning holes; the second tube is threadedly connected with a second bolt, the second bolt passes through the positioning hole on the first tube; the third tube is threadedly connected with a third bolt, the third bolt passes through the positioning holes on the second tube and the first tube.

[0007] In the method for cleaning the air duct of a high-voltage motor cooler, the arc-abutting plate and the steel wire cleaning pad are connected via Velcro. Beneficial Effects

[0008] 1. The present invention can extend the device into the cooler air duct to clean the accumulated powder and dust in the air duct, and at the same time, a telescopic rod is provided, which can be extended to facilitate the device to extend into the cooler air duct.

[0009] 2. The present invention can adjust the position of the arc plate according to the different apertures of the inner wall of the cooler air duct, so that the wire sponge cleaning pad can be close to the inner wall of the air duct. After running back and forth, it can effectively remove the accumulated powder attached to the inner wall of the air duct, greatly improving the cleaning effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a front view of the present invention; Figure 3 is a top view of the present invention; Figure 4 It is a schematic diagram of the structure of the present invention after adjusting the position of the abutting arc plate; Figure 5 yes Figure 1 A magnified view of part A; In the figure: 1, screw rod; 2, screw sleeve; 3, connecting rod; 4, abutting arc plate; 5, wire sponge cleaning pad; 6, telescopic rod; 7, mother-and-child Velcro hook surface; 8, mother-and-child Velcro mesh surface; 9, support platform; 10, outer sleeve; 11, inner rod; 12, sliding hole; 13, pillar; 61, first tube; 62, second bolt; 63, third bolt; 64, second tube; 65, third tube; 66, positioning hole. DETAILED DESCRIPTION

[0011] like Figure 1-5 As shown, a method for cleaning the air duct of a high-voltage motor cooler comprises the following steps: (1) The device needs to be adjusted to the position against the arc plate so that its wire sponge cleaning pad can contact the inner wall of the air duct and have a certain pressure; (2) A nut is welded at the end of the screw. When the screw is rotated, the screw is threadedly connected to the sleeve, causing the screw to move downward. Since the sleeve and each inner rod are hinged through a connecting rod, the inner rod is pushed to slide under the push of the connecting rod, causing the four arc plates to move outward at the same time, thereby changing the size of the formed cleaning ring until the formed cleaning ring is adjusted to be slightly larger than the inner wall of the air duct; (3) Remove the second bolt and the third bolt, align the positioning holes on the first tube with the second tube, slide the second tube to adjust the length of the telescopic rod, and screw on the second bolt after the adjustment is completed. The second bolt passes through the positioning hole of the first tube, and then slide the third tube. After the sliding is completed, screw on the third bolt, and the third bolt passes through the positioning holes of the second tube and the first tube; (4) After adjusting the telescopic rod, extend the device into the air duct so that its wire sponge cleaning pad is close to the inner wall of the air duct. After running back and forth, it can effectively remove the accumulated powder attached to the inner wall of the air duct, greatly improving the cleaning effect and efficiency.

[0012] A method for cleaning the air duct of a high-voltage motor cooler, comprising a telescopic rod 6, the end of which is fixed to a support platform 9, four outer sleeves 10 are fixed to the side of the support platform, the four outer sleeves are evenly arranged in a circle along the center of the support platform, an inner rod 11 is inserted into each outer sleeve, the inner rod is slidably matched with the outer sleeve, the end of the inner rod is fixed to abutting arc plate 4, and a steel sponge cleaning pad 5 is fixed to the back of the abutting arc plate; The arc-abutting plate is connected to the steel wire cleaning pad via a Velcro tape, a mesh surface 8 of the Velcro tape is bonded to the back of the arc-abutting plate, and a hook surface 7 of the Velcro tape is bonded to the steel wire sponge cleaning pad, so that the steel wire sponge cleaning pad can be fixed; The support is connected to the screw 1 through a bearing, and a screw sleeve 2 is sleeved on the screw. The side of the screw sleeve is hinged to one end of four connecting rods 3, and the other end of the connecting rod is hinged to the support 13 on the inner rod at the corresponding position. Each inner rod is fixed with a support, and the support passes through the sliding hole 12 on the outer sleeve. The telescopic rod includes a first tube 61, a second tube 64 and a third tube 65. The first tube is fixed to the support platform, the second tube is sleeved on the first tube, and the third tube is sleeved on the second tube. The side walls of the first tube and the second tube are evenly provided with a plurality of positioning holes 66. The second tube is threadedly connected with a second bolt 62, and the second bolt passes through the positioning hole on the first tube. The third tube is threadedly connected with a third bolt 63, and the third bolt passes through the positioning holes on the second tube and the first tube.

Claims

1. A method for cleaning the air duct of a high-voltage motor cooler, characterized in that: The method comprises the following steps: (1) The device needs to be adjusted to the position against the arc plate so that its wire sponge cleaning pad can contact the inner wall of the air duct and have a certain pressure; (2) A nut is welded at the end of the screw. When the screw is rotated, the screw is threadedly connected to the sleeve, causing the screw to move downward. Since the sleeve and each inner rod are hinged through a connecting rod, the inner rod is pushed to slide under the push of the connecting rod, causing the four arc plates to move outward at the same time, thereby changing the size of the formed cleaning ring until the formed cleaning ring is adjusted to be slightly larger than the inner wall of the air duct; (3) Remove the second bolt and the third bolt, align the positioning holes on the first tube with the second tube, slide the second tube to adjust the length of the telescopic rod, and screw on the second bolt after the adjustment is completed. The second bolt passes through the positioning hole of the first tube, and then slide the third tube. After the sliding is completed, screw on the third bolt, and the third bolt passes through the positioning holes of the second tube and the first tube; (4) After adjusting the telescopic rod, extend the device into the air duct so that its wire sponge cleaning pad is close to the inner wall of the air duct. After running back and forth, it can effectively remove the accumulated powder attached to the inner wall of the air duct, greatly improving the cleaning effect and efficiency.

2. The method for cleaning the air duct of a high-voltage motor cooler according to claim 1 is characterized in that: The end of the telescopic rod is fixed to the support platform, and four outer sleeves are fixed to the side of the support platform, and the four outer sleeves are evenly arranged in a circle along the center of the support platform. An inner rod is inserted into each outer sleeve, and the inner rod is slidably matched with the outer sleeve. The end of the inner rod is fixed to the abutting arc plate, and a steel sponge cleaning pad is fixed to the back of the abutting arc plate; The support platform is connected with the screw rod through a bearing. The screw rod is sleeved with a screw sleeve. The side of the screw sleeve is hinged to one end of four connecting rods. The other end of the connecting rod is hinged to the support column on the inner rod at the corresponding position.

3. The method for cleaning the air duct of a high-voltage motor cooler according to claim 2 is characterized in that: The telescopic rod includes a first tube, a second tube and a third tube. The first tube is fixed to the support platform, the second tube is sleeved on the first tube, and the third tube is sleeved on the second tube. The side walls of the first tube and the second tube are evenly provided with a plurality of positioning holes. The second tube is threadedly connected with a second bolt, and the second bolt passes through the positioning hole on the first tube. The third tube is threadedly connected with a third bolt, and the third bolt passes through the positioning holes on the second tube and the first tube.

4. The method for cleaning the air duct of a high-voltage motor cooler according to claim 3 is characterized by: The arc-abutting plate is connected to the wire cleaning pad via Velcro.

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