CN206328736U - Taps protection device is overflow with anti-in a kind of power station - Google Patents

Abstract

The utility model belongs to the field of hydropower stations, in particular to an anti-flooding switch protection device for a hydropower station. The technical problem to be solved by the utility model is to provide an anti-flooding switch protection device for hydropower stations that can protect the knife switch, protect the personal safety of workers and save the manufacturing cost of the knife switch. In order to solve the above technical problems, the utility model provides such an anti-flooding switch protection device for a hydropower station, which includes a support plate, a protection box, an induction box, a switch, a slide rail, a slider, a floating plate, a U-shaped electromagnet, The first cylinder, the first iron rod, the second cylinder, the second iron rod, etc.; the ground is connected with a support plate by bolt connection, the middle of the front side of the support plate is connected with a protection box by bolt connection, and the lower part of the front side of the support plate is connected by The way of bolt connection is connected with induction box. The utility model prevents the knife switch from being submerged by water through the waterproof cloth, so that the knife switch is not damaged.

Description

An anti-flooding switch protection device for hydropower stations

technical field

The utility model belongs to the field of hydropower stations, in particular to an anti-flooding switch protection device for a hydropower station.

Background technique

Hydropower station: It is a comprehensive engineering facility that can convert water energy into electrical energy. It generally includes reservoirs formed by water retaining and drainage structures, water diversion systems of hydropower stations, power plant buildings, electromechanical equipment, etc. The high water level water of the reservoir flows into the factory building through the water diversion system to drive the first generator unit of the water turbine to generate electric energy, and then enter the power grid through the step-up transformer, switch station and transmission line.

The hydropower station is prone to flooding. When the water overflows to the switch, the switch is easily short-circuited and damaged. When the switch is short-circuited, the staff will get an electric shock if they touch the switch, which will endanger the personal safety of the staff. The switch is short-circuited. If the knife switch is damaged, it is necessary to replace the knife switch, which will waste the manufacturing materials of the knife switch. Therefore, it is urgent to develop a kind of anti-flooding water for hydropower stations that can protect the knife switch, protect the personal safety of the staff and save the manufacturing cost of the knife switch. switch protection device.

Utility model content

(1) Technical problems to be solved

In order to overcome the disadvantages that the knife switch is easily short-circuited and damaged when the hydropower station is flooded, which will endanger the personal safety of the staff and waste the manufacturing materials of the knife switch, the technical problem to be solved by the utility model is to provide a The utility model relates to an anti-flooding switch protection device for a hydropower station that can protect the personal safety of staff and save the manufacturing cost of a knife switch.

(2) Technical solution

In order to solve the above-mentioned technical problems, the utility model provides such an anti-flooding switch protection device for a hydropower station, which includes a support plate, a protection box, an induction box, a switch, a slide rail, a slider, a floating plate, a U-shaped electromagnet, The first cylinder, the first iron, the second cylinder, the second iron, the first motor, the rotating shaft, the first bearing seat, the second bearing seat, the reel, the tarpaulin and the third iron are connected by bolts on the ground There is a support plate, the middle of the front side of the support plate is connected with the protection box by bolt connection, the lower part of the front side of the support plate is connected with the induction box by bolt connection, the induction box is located at the lower right of the protection box, and the bottom of the induction box is opened with a The water hole, the top middle of the induction box is connected with a switch by means of screws, the left and right sides of the induction box are connected with slide rails by welding, and the slide rails are connected with sliders by welding. The slide rails cooperate with each other, and the floating plate is connected by welding between the two sliders. The middle of the front side of the support plate is connected with a U-shaped electromagnet by means of bolt connection. The U-shaped electromagnet is located on the outside of the protection box. The middle of the left end is connected with the first cylinder by bolt connection, and the telescopic rod of the first cylinder is connected with the first iron rod by bolt connection. The first iron rod is located in the left front of the U-shaped electromagnet. The connection mode is connected with the second cylinder, and the telescopic rod of the second cylinder is connected with the second iron rod through bolt connection. There are a first motor, a second bearing seat and a first bearing seat, and the first bearing seat, the second bearing seat and the first motor are all connected to the upper part of the front side of the support plate through bolt connection, and there is a gap between the first motor and the switch. Line connection, a rotating shaft is arranged between the second bearing seat and the first bearing seat, the right end of the rotating shaft is connected with the output shaft of the first motor through a coupling, and a reel is connected to the rotating shaft through a key connection, and the reel is located at Between the first bearing seat and the second bearing seat, the reel is located directly above the U-shaped electromagnet, and a waterproof cloth is wound on the reel, and a third iron rod is connected to the end of the waterproof cloth, and the waterproof cloth and the third iron rod are both located at the U the front side of the shaped electromagnet.

Preferably, the middle and upper part of the support plate is connected with a stopper by means of bolt connection, and the stopper is located directly above the U-shaped electromagnet.

Preferably, the outer side of the switch is covered with a protective cover.

Preferably, the first motor is a servo motor.

Preferably, the support plate is made of Q235 steel.

Preferably, the floating board is made of Chinese fir.

Working principle: A knife switch is installed in the protection box. When the water reaches the height of the induction box, the water enters the induction box through the water hole, the floating plate floats upwards, the slide block slides upwards on the slide rail, and the floating plate moves upwards to trigger the touch switch. The rotation of the first motor drives the rotating shaft to rotate, and the rotation of the rotating shaft makes the reel rotate accordingly, and the reel rotates to release the waterproof cloth, and the third iron rod moves downward accordingly. When the third iron rod moves to the front side of the bottom of the U-shaped electromagnet, the The U-shaped electromagnet is energized, and the bottom of the U-shaped electromagnet sucks the third iron rod, so that the waterproof cloth can be fixed on the front side of the U-shaped electromagnet, and the waterproof cloth can cover the protective box in the U-shaped electromagnet. Then start the first cylinder to elongate, the first cylinder elongates to move the first iron rod to the right, when the first iron rod moves right to the front of the left part of the U-shaped electromagnet, the left part of the U-shaped electromagnet will move the first iron rod Suction, and then close the first cylinder. Then start the second air cylinder to elongate, the second air cylinder elongates to make the second iron rod move to the left, when the second iron rod moves to the right front of the U-shaped electromagnet right part to the left, the U-shaped electromagnet right part will second The iron sucks and then closes the second cylinder. The left and right sides of the U-shaped electromagnet attract the first iron rod and the second iron rod, so that the waterproof cloth can be more closely fixed on the front side of the U-shaped electromagnet, and the waterproof cloth can completely cover the protective box inside the U-shaped electromagnet . When the water recedes, the water flows out of the induction box from the water hole, the floating plate moves downward, and the slide block slides downward on the slide rail. When the water receded, the U-shaped electromagnet was de-energized, and the U-shaped electromagnet no longer attracted the first iron rod, the second iron rod and the third iron rod. Then start the first air cylinder and the second air cylinder to shorten simultaneously, make the first iron rod and the second iron rod return to the original position, close the first air cylinder and the second air cylinder simultaneously after the first iron rod and the second iron rod return to the original position. Then start the first motor to rotate in the opposite direction. The first motor rotates in the opposite direction to make the reel rotate in the opposite direction to retract the tarpaulin. The third iron rod moves upwards and returns to the original position. When the tarpaulin and the third iron rod move back to the original , turn off the first motor. Therefore, the utility model can protect the knife switch, protect the personal safety of workers and save the manufacturing cost of the knife switch.

Because the middle and upper part of the support plate is connected with a stopper through bolt connection, the stopper is located directly above the U-shaped electromagnet, and the stopper can seal the U-shaped electromagnet to prevent water from entering the U-shaped electromagnet, which can be more Good protection knife switch.

Because the outer side of the switch is covered with a protective cover, the protective cover can protect the switch so that the switch will not come into contact with water.

Because the first motor is a servo motor, the rotation speed of the servo motor can be controlled more precisely to make the operation more stable.

Because the manufacturing material of the support plate is Q235 steel, the Q235 steel has a large bearing capacity and corrosion resistance, which prolongs the service life of the support plate.

Because the manufacturing material of the floating board is fir, the price of fir is low and the density is small, the manufacturing cost of the utility model can be reduced, and the fir will not sink into the water.

(3) Beneficial effect

The utility model prevents the knife switch from being submerged by water through the waterproof cloth, so that the knife switch is not damaged, and at the same time achieves the effects of protecting the knife switch, protecting the personal safety of workers and saving the manufacturing cost of the knife switch.

Description of drawings

Fig. 1 is a schematic structural diagram of the first kind of front view of the utility model.

Fig. 2 is a schematic structural diagram of the second front view of the utility model.

Fig. 3 is a schematic structural diagram of a third front view of the utility model.

The marks in the attached drawings are: 1-ground, 2-support plate, 3-protection box, 4-induction box, 5-water hole, 6-switch, 7-slide rail, 8-slider, 9-floating plate , 10-U-shaped electromagnet, 11-the first cylinder, 12-the first iron rod, 13-the second cylinder, 14-the second iron rod, 15-the first motor, 16-rotating shaft, 17-the first bearing seat, 18 - Second bearing housing, 19 - Reel, 20 - Tarp, 21 - Third iron, 22 - Block, 23 - Shield.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Example 1

An anti-flooding switch protection device for a hydropower station, as shown in Figure 1-3, includes a support plate 2, a protection box 3, an induction box 4, a switch 6, a slide rail 7, a slider 8, a floating plate 9, and a U-shaped Electromagnet 10, first cylinder 11, first iron rod 12, second cylinder 13, second iron rod 14, first motor 15, rotating shaft 16, first bearing seat 17, second bearing seat 18, reel 19, tarpaulin 20 and the third iron rod 21, the ground 1 is connected with a support plate 2 by means of bolt connection, the middle of the front side of the support plate 2 is connected with a protection box 3 by means of bolt connection, and the lower part of the front side of the support plate 2 is connected by bolts The induction box 4 is connected with the sensor box 4. The sensor box 4 is located at the lower right of the protection box 3. The bottom of the sensor box 4 has a water hole 5. The middle of the top of the sensor box 4 is connected with a switch 6 by means of screws. The left and right sides of the slide rail 7 are connected by welding, and the slide rail 7 is connected with a slider 8 by welding. The slider 8 and the slide rail 7 cooperate with each other, and the two sliders 8 are welded The floating plate 9 is connected in the same way, and the middle of the front side of the support plate 2 is connected with a U-shaped electromagnet 10 by bolt connection. The U-shaped electromagnet 10 is located outside the protection box 3, and the middle of the left end of the support plate 2 is connected by bolts The first cylinder 11 is connected, and the expansion rod of the first cylinder 11 is connected with the first iron rod 12 by means of bolt connection. The first iron rod 12 is located in the left front of the U-shaped electromagnet 10, and the middle of the right end of the support plate 2 is connected by bolts. The second cylinder 13 is connected in the way of the second cylinder 13, and the telescopic rod of the second cylinder 13 is connected with the second iron rod 14 by means of bolt connection. The first motor 15, the second bearing seat 18 and the first bearing seat 17 are arranged in turn from right to left, and the first bearing seat 17, the second bearing seat 18 and the first motor 15 are all connected to the support plate 2 by bolts The upper part of the front side is connected. There is a line connection between the first motor 15 and the switch 6. A rotating shaft 16 is arranged between the second bearing seat 18 and the first bearing seat 17. Between the right end of the rotating shaft 16 and the output shaft of the first motor 15 Connected by a coupling, the rotating shaft 16 is connected with a reel 19 through a key connection, the reel 19 is located between the first bearing seat 17 and the second bearing seat 18, and the reel 19 is located directly above the U-shaped electromagnet 10 , the reel 19 is wound with a waterproof cloth 20 , the end of the waterproof cloth 20 is connected with a third iron rod 21 , and the waterproof cloth 20 and the third iron rod 21 are located at the front side of the U-shaped electromagnet 10 .

The middle and upper part of the support plate 2 is connected with a stopper 22 by means of bolt connection, and the stopper 22 is located directly above the U-shaped electromagnet 10 .

The outer side of the switch 6 is covered with a protective cover 23 .

The first motor 15 is a servo motor.

The manufacturing material of support plate 2 is Q235 steel.

The manufacturing material of floating plate 9 is Chinese fir.

Working principle: a knife switch 6 is installed in the protection box 3 . When the water overflowed to the height of the induction box 4, water entered the induction box 4 from the water hole 5, the floating plate 9 floated upwards, the slide block 8 slid upwards on the slide rail 7, and the floating plate 9 moved the touch switch 6 upwards. The first motor 15 rotates to drive the rotating shaft 16 to rotate, and the rotating shaft 16 rotates to make the reel 19 rotate thereupon, and the reel 19 rotates to release the waterproof cloth 20, and the third iron rod 21 moves downward thereupon. When the third iron rod 21 moves to the U-shaped When the front side of the electromagnet 10 bottom, the U-shaped electromagnet 10 is energized, and the third iron rod 21 is sucked by the bottom of the U-shaped electromagnet 10, so that the waterproof cloth 20 can be fixed on the front side of the U-shaped electromagnet 10, and the waterproof cloth 20 can Cover the protective box 3 in the U-shaped electromagnet 10. Then start the first cylinder 11 to elongate, and the first cylinder 11 elongates to move the first iron rod 12 to the right. The left part sucks the first iron rod 12, and then closes the first cylinder 11. Then start the second cylinder 13 to elongate, and the second cylinder 13 elongates to move the second iron rod 14 to the left. 10 right parts suck the second iron rod 14, and then close the second cylinder 13. The left and right sides of the U-shaped electromagnet 10 suck the first iron rod 12 and the second iron rod 14, so that the waterproof cloth 20 can be more closely fixed on the front side of the U-shaped electromagnet 10, and the waterproof cloth 20 can fully hold the U-shaped electromagnet. Protective box 3 in 10 covers. When the water receded, water flowed out in the induction box 4 from the water hole 5, the floating plate 9 moved downward, and the slide block 8 slid downward on the slide rail 7. When the water receded, the U-shaped electromagnet 10 was de-energized, and the U-shaped electromagnet 10 no longer attracted the first iron rod 12, the second iron rod 14 and the third iron rod 21. Then start the first cylinder 11 and the second cylinder 13 to shorten simultaneously, make the first iron rod 12 and the second iron rod 14 return to the original position, and close the first cylinder 11 and the second iron rod 14 after the first iron rod 12 and the second iron rod 14 return to the original position Two cylinders 13. Then start the first motor 15 to rotate in the opposite direction, and the first motor 15 rotates in the opposite direction to make the reel 19 rotate in the opposite direction to retract the waterproof cloth 20, and the third iron rod 21 moves upwards and returns to the original position. When the waterproof cloth 20 and When the third iron rod 21 moves back to the original position, the first motor 15 is turned off. Therefore, the utility model can protect the knife switch 6 , protect the personal safety of the staff and save the manufacturing cost of the knife switch 6 .

Because the middle and upper part of the support plate 2 is connected with a stopper 22 by bolt connection, the stopper 22 is located directly above the U-shaped electromagnet 10, and the stopper 22 can seal the U-shaped electromagnet 10 to prevent water from entering the U-shaped electromagnet 10. Inside the electromagnet 10, the knife switch 6 can be better protected.

Because the outer side of switch 6 is covered with protective cover 23, protective cover 23 can protect switch 6, and switch 6 can not be contacted with water.

Because the first motor 15 is a servo motor, the rotation speed of the servo motor can be controlled more precisely to make the operation more stable.

Because the manufacturing material of the support plate 2 is Q235 steel, the Q235 steel has a large bearing capacity and corrosion resistance, which prolongs the service life of the support plate 2 .

Because the manufacturing material of floating plate 9 is Chinese fir, the price of Chinese fir is low and the density is little, can reduce the manufacturing cost of the present utility model, and Chinese fir can not sink into the water.

The above-mentioned embodiments only express the preferred implementation of the utility model, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the utility model. It should be pointed out that those skilled in the art can make several modifications, improvements and substitutions without departing from the concept of the present invention, all of which belong to the protection scope of the present utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (6)

1. An anti-flooding switch protection device for a hydropower station, characterized in that it includes a support plate (2), a protection box (3), an induction box (4), a switch (6), a slide rail (7), a slide block (8), floating plate (9), U-shaped electromagnet (10), the first cylinder (11), the first iron rod (12), the second cylinder (13), the second iron rod (14), the first motor ( 15), rotating shaft (16), first bearing seat (17), second bearing seat (18), reel (19), tarpaulin (20) and the 3rd iron rod (21), pass bolt on the ground (1) The way of connection is connected with a support plate (2), the middle of the front side of the support plate (2) is connected with the protection box (3) by means of bolt connection, and the lower part of the front side of the support plate (2) is connected with an induction sensor by means of bolt connection. Box (4), the induction box (4) is located at the lower right of the protection box (3), the bottom of the induction box (4) has a water hole (5), and the middle of the top of the induction box (4) is connected by screws There is a switch (6), and the left and right sides in the induction box (4) are connected with slide rails (7) by welding, and the slide rails (7) are connected with slide blocks (8) by welding. (8) Cooperate with the slide rail (7), the floating plate (9) is connected by welding between the two sliders (8), and the middle of the front side of the support plate (2) is connected by a U Shaped electromagnet (10), U-shaped electromagnet (10) is positioned at the outside of protection box (3), and the left end center of support plate (2) is connected with the first air cylinder (11) by the mode of bolt connection, and the first air cylinder (11 ) is connected with a first iron rod (12) by means of bolt connection, the first iron rod (12) is located in the left front of the U-shaped electromagnet (10), and the middle of the right end of the support plate (2) is connected by bolts Be connected with the second air cylinder (13), the telescoping link of the second air cylinder (13) is connected with the second iron rod (14) by the mode of bolt connection, and the second iron rod (14) is positioned at the right front of U-shaped electromagnet (10) , the upper part of the front side of the support plate (2) is provided with the first motor (15), the second bearing seat (18) and the first bearing seat (17) sequentially from right to left, the first bearing seat (17), the second Both the bearing housing (18) and the first motor (15) are connected to the upper part of the front side of the support plate (2) by means of bolt connection, there is a line connection between the first motor (15) and the switch (6), and the second bearing A rotating shaft (16) is arranged between the seat (18) and the first bearing seat (17), and the right end of the rotating shaft (16) is connected with the output shaft of the first motor (15) through a coupling, and the rotating shaft (16) passes through The mode of key connection is connected with reel (19), and reel (19) is positioned between the first bearing seat (17) and the second bearing seat (18), and reel (19) is positioned at U-shaped electromagnet (10) Directly above, the reel (19) is rolled with waterproof cloth (20), and the end of waterproof cloth (20) is connected with the 3rd iron rod (21), and waterproof cloth (20) and the 3rd iron rod (21) are all positioned at U-shaped electromagnetic Front side of iron (10). 2. The anti-flooding switch protection device for a hydropower station according to claim 1, characterized in that, the middle and upper part of the support plate (2) is connected with a stopper (22) by means of a bolt connection, and the stopper (22) Located directly above the U-shaped electromagnet (10). 3. The protection device for a flood-proof switch for a hydropower station according to claim 2, characterized in that a protective cover (23) is set on the outside of the switch (6). 4. The anti-flooding switch protection device for a hydropower station according to claim 3, characterized in that the first motor (15) is a servo motor. 5 . The anti-flood switch protection device for a hydropower station according to claim 4 , characterized in that, the support plate ( 2 ) is made of Q235 steel. 6 . 6. The anti-flood switch protection device for a hydropower station according to claim 5, characterized in that the floating plate (9) is made of Chinese fir.