Electromagnetic safety brake suitable for braking tail end of nuclear power spent fuel crane

Abstract

The utility model relates to the technical field of electromagnetic safety brakes, in particular to an electromagnetic safety brake suitable for braking the tail end of a nuclear power spent fuel crane, which comprises a straight plate and a vertical plate, the left side of the straight plate is fixedly connected with the right side of the vertical plate, and the right side of the straight plate is fixedly connected with the electromagnetic safety brake. The bottom of the electromagnetic safety brake is connected with a reinforcing structure, and the rear portion of the outer wall of the electromagnetic safety brake is connected with a mounting structure. In the reinforcing structure, a wire pulls a connector to reach a power interface, the connector is connected with the power interface in an inserted mode till a circular plate is attached to the periphery of the interface, then a vertical cylinder rotates on the outer wall of the connector, the rotating vertical cylinder drives the circular plate to rotate, and a circular opening in the outer wall of the circular plate is in butt joint with a connecting port around the power interface; and then the screw penetrates through the circular plate to be connected with the connecting port, so that the connecting stability of the connector is improved, normal use of the electromagnetic safety brake is ensured, and the use limitation of the electromagnetic safety brake is eliminated.

Description

Technical Field

[0001] This utility model relates to the technical field of electromagnetic safety brakes for the end braking of spent fuel cranes in nuclear power plants, specifically an electromagnetic safety brake for the end braking of spent fuel cranes in nuclear power plants. Background Technology

[0002] The main function of an electromagnetic safety brake is to ensure timely braking in case of damage or breakage at any link in the transmission chain, preventing heavy objects from falling or equipment from going out of control.

[0003] For example, an electromagnetic brake with announcement number "CN217381378U" has a groove on the outer circumference of the splined bushing for placing an O-ring. The groove can axially limit the O-ring, and the O-ring can improve the connection tightness between the splined bushing and the toothed friction plate, and also play a role in vibration reduction, thereby reducing the noise and vibration of the electromagnetic brake during operation. However, electromagnetic safety brakes require a stable power supply to work properly. If the power supply is unstable or the voltage fluctuates greatly, it may affect the braking effect and stability. Therefore, when using electromagnetic safety brakes, it is necessary to ensure the stability and reliability of the power supply. However, the power connection of the electromagnetic safety brake lacks a reinforcement structure and is prone to loosening, affecting the normal use of the electromagnetic safety brake and resulting in limitations in its use. Utility Model Content

[0004] The purpose of this invention is to solve the problem of limitations in the use of electromagnetic safety brakes, which affects their normal operation. This invention proposes an electromagnetic safety brake suitable for the end braking of spent fuel cranes in nuclear power plants.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] Design an electromagnetic safety brake for the end braking of a spent fuel crane in a nuclear power plant, comprising a straight plate and a vertical plate, wherein the left side of the straight plate is fixedly connected to the right side of the vertical plate, the electromagnetic safety brake is fixedly connected to the right side of the straight plate, a reinforcing structure is connected to the bottom of the electromagnetic safety brake, and an installation structure is connected to the rear of the outer wall of the electromagnetic safety brake.

[0007] Preferably, the reinforcement structure includes a wire and a connector, the top of the wire is electrically connected to the bottom of the electromagnetic safety brake, the bottom of the wire is fixedly connected to the top of the connector, and a vertical cylinder is rotatably connected to the outer wall of the connector.

[0008] Preferably, a circular plate is fixed to the bottom of the outer wall of the vertical cylinder.

[0009] Preferably, the outer wall of the circular plate is machined with multiple threaded openings.

[0010] Preferably, the mounting structure includes a flange and a gasket, the inner wall of the flange is fixedly connected to the rear of the outer wall of the electromagnetic safety brake, the outer side of the rear end face of the flange is fixedly connected to the front face of the gasket, and the outer wall of the flange is threaded with multiple bolts.

[0011] This utility model proposes an electromagnetic safety brake for the end braking of a spent fuel crane in a nuclear power plant. The advantages are as follows: By reinforcing the structure, the conductor is pulled to bring the connector to the power interface, allowing the connector to be inserted until the circular plate is flush with the interface. Then, the vertical cylinder rotates on the outer wall of the connector, causing the circular plate to rotate as well, aligning the circular opening of the plate with the connection port around the power interface. Finally, a screw passes through the circular plate and connects to the connection port, increasing the connection stability of the connector, ensuring the normal use of the electromagnetic safety brake, and eliminating the limitations of the electromagnetic safety brake in its application. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 for Figure 1 A schematic diagram of the structure of A in the middle;

[0014] Figure 3 for Figure 1 A schematic diagram of the structure of B in the middle;

[0015] Figure 4 for Figure 1 A schematic diagram of the structure of the middle pad.

[0016] In the diagram: 1. Straight plate, 2. Reinforcement structure, 201. Wire, 202. Connector, 203. Vertical cylinder, 204. Circular plate, 3. Installation structure, 301. Flange, 302. Gasket, 303. Bolt, 4. Vertical plate, 5. Electromagnetic safety brake, 6. Plug. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings:

[0018] Example 1:

[0019] Please see Figure 1-4 In this embodiment, an electromagnetic safety brake suitable for the end braking of a spent fuel crane in a nuclear power plant includes a straight plate 1 and a vertical plate 4. The left side of the straight plate 1 is fixedly connected to the right side of the vertical plate 4. An electromagnetic safety brake 5 is fixedly connected to the right side of the straight plate 1. The operation and use of the electromagnetic safety brake 5 is already existing technology. The model is selected according to the usage requirements and will not be elaborated in detail. A reinforcing structure 2 is connected to the bottom of the electromagnetic safety brake 5, and an installation structure 3 is connected to the rear of the outer wall of the electromagnetic safety brake 5.

[0020] The reinforcement structure 2 includes a wire 201 and a connector 202. The top of the wire 201 is electrically connected to the bottom of the electromagnetic safety brake 5, and the bottom of the wire 201 is fixedly connected to the top of the connector 202. A vertical cylinder 203 is rotatably connected to the outer wall of the connector 202. The vertical cylinder 203 rotates under force through the bearing on the outer wall of the connector 202. A circular plate 204 is fixedly connected to the bottom of the outer wall of the vertical cylinder 203.

[0021] By reinforcing the structure 2, the conductor 201 is pulled to bring the connector 202 to the power interface, allowing the connector 202 to be inserted into the power interface until the circular plate 204 is in contact with the interface. Then, the vertical cylinder 203 rotates on the outer wall of the connector 202, and the rotating vertical cylinder 203 rotates the circular plate 204, so that the circular opening on the outer wall of the circular plate 204 aligns with the connection port around the power interface. Then, the screw passes through the circular plate 204 and connects to the connection port, which increases the connection stability of the connector 202, ensures the normal use of the electromagnetic safety brake, and eliminates the limitations of the electromagnetic safety brake.

[0022] The outer wall of the circular plate 204 is machined with multiple threaded openings. The mounting structure 3 includes a flange 301 and a gasket 302. The inner wall of the flange 301 is fixedly connected to the rear of the outer wall of the electromagnetic safety brake 5. The outer side of the rear end face of the flange 301 is fixedly connected to the front of the gasket 302. The gasket 302 is made of rubber and serves as a connecting gasket. The outer wall of the flange 301 is threaded with multiple bolts 303.

[0023] Working principle:

[0024] Electromagnetic safety brake installation:

[0025] The inner wall of the electromagnetic safety brake 5 is inserted into the end shaft of the spent nuclear fuel crane. At this time, the flange 301 will press the gasket 302 against the front of the end of the spent nuclear fuel crane. Then, the bolt 303 passes through the flange 301 from front to back and is threaded into the end of the spent nuclear fuel crane. Next, the wire 201 is pulled to bring the connector 202 to the power interface and insert the connector 202 into the power interface until the circular plate 204 fits against the interface. Then, the vertical cylinder 203 rotates on the outer wall of the connector 202. The rotating vertical cylinder 203 rotates the circular plate 204, so that the circular opening on the outer wall of the circular plate 204 aligns with the connection port around the power interface. Then, the screw passes through the circular plate 204 and connects to the connection port, completing the installation of the electromagnetic safety brake 5.

[0026] When the electromagnetic safety brake 5 is energized, the magnetic field generated by the internal electromagnetic coil will attract the armature, causing it to contact the end shaft of the nuclear power spent fuel crane and generate friction, thereby slowing down or stopping the operation of the equipment. When the wire 201 is too long, the wire 201 can be wound around the outer wall of the straight plate 1 to store the excessively long wire.

[0027] Example 2:

[0028] Please see Figure 1-4 In this embodiment, an electromagnetic safety brake for the end braking of a spent fuel crane in a nuclear power plant also includes a plug 6, the rear of the outer wall of which is inserted into the front of the electromagnetic safety brake 5.

[0029] Working principle:

[0030] The plug 6 seals the front opening of the electromagnetic safety brake 5 with its own rubber material, preventing impurities from entering when not in use.

[0031] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. An electromagnetic safety brake for the end braking of a spent fuel crane in a nuclear power plant, comprising a straight plate (1) and a vertical plate (4), wherein the left side of the straight plate (1) is fixedly connected to the right side of the vertical plate (4), characterized in that: An electromagnetic safety brake (5) is fixedly connected to the right side of the straight plate (1), a reinforcing structure (2) is connected to the bottom of the electromagnetic safety brake (5), and an installation structure (3) is connected to the rear of the outer wall of the electromagnetic safety brake (5).

2. The electromagnetic safety brake for the end braking of a spent nuclear fuel crane according to claim 1, characterized in that: The reinforcement structure (2) includes a conductor (201) and a connector (202). The top of the conductor (201) is electrically connected to the bottom of the electromagnetic safety brake (5). The bottom of the conductor (201) is fixedly connected to the top of the connector (202). A vertical cylinder (203) is rotatably connected to the outer wall of the connector (202).

3. The electromagnetic safety brake for the end braking of a spent nuclear fuel crane according to claim 2, characterized in that: A circular plate (204) is fixed to the bottom of the outer wall of the vertical cylinder (203).

4. The electromagnetic safety brake for the end braking of a spent nuclear fuel crane according to claim 3, characterized in that: The outer wall of the circular plate (204) is machined with multiple threaded openings.

5. The electromagnetic safety brake for the end braking of a spent nuclear fuel crane according to claim 1, characterized in that: The mounting structure (3) includes a flange (301) and a gasket (302). The inner wall of the flange (301) is fixedly connected to the rear of the outer wall of the electromagnetic safety brake (5). The outer side of the rear end face of the flange (301) is fixedly connected to the front of the gasket (302). The outer wall of the flange (301) is threaded with multiple bolts (303).

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