Main shaft dismounting and heating device for operation and maintenance operation of wind generating set

Abstract

The utility model provides a main shaft dismounting and heating device for operation and maintenance operation of a wind generating set, and belongs to the technical field of operation and maintenance of wind generating sets. The wind generating set operation and maintenance operation main shaft dismounting and heating device comprises a heating pad, a magnet, a connecting cable, a plug connector, a branch cable and a main cable, the magnet is fixedly installed on the heating pad, one end of the connecting cable is installed on the heating pad, and the other end of the connecting cable is installed on the plug connector. When the heating pad is used, the electric heating control unit in the heating pad controls the heating pad to emit heat and respectively supplies power for heating, heat can be conducted in the heating pad by adopting a heat tracing cable or a ceramic chip, the temperature rise is fast, and the heating pad is convenient to use. The main shaft dismounting and heating device for the operation and maintenance operation of the wind generating set can be operated by one person, manpower is saved, the heating efficiency is improved, the heating time is shortened, and the operation and maintenance efficiency is improved.

Description

Technical Field

[0001] This application relates to the technical field of operation and maintenance of wind turbines, and more specifically, to a heating device for disassembling the main shaft of a wind turbine operation and maintenance operation. Background Art

[0002] When disassembling and assembling the main shaft of a 5MW wind turbine of CSSC, the main shaft and the shaft seat cylinder are in an interference fit and need to be heated before disassembly and assembly. Conventional heating uses a heating cable wound around for heating. The installation of the heating cable wound around is cumbersome and requires the assistance of multiple people to complete. The heating time is relatively long. It takes about 4 - 5 hours to normally heat up to about 120 degrees, and the efficiency is low. For this reason, it is proposed to design a heating device for disassembling the main shaft of a wind turbine operation and maintenance operation to improve the heating efficiency, shorten the heating time, and improve the operation and maintenance efficiency. Utility Model Content

[0003] To make up for the above deficiencies, this application provides a heating device for disassembling the main shaft of a wind turbine operation and maintenance operation, aiming to improve the problem that conventional heating uses a heating cable wound around, which is cumbersome to install, requires the assistance of multiple people to complete, has a relatively long heating time, takes about 4 - 5 hours to normally heat up to about 120 degrees, and has low efficiency.

[0004] This application is implemented as follows:

[0005] This application provides a heating device for disassembling the main shaft of a wind turbine operation and maintenance operation, including a heating pad, a magnet, a connecting cable, a plug connector, a branch cable, and a main cable. The magnet is fixedly installed on the heating pad;

[0006] One end of the connecting cable is installed on the heating pad, different parts of the plug connector are respectively installed on the other end of the connecting cable and one end of the branch cable, and the other end of the branch cable is installed on the main cable.

[0007] In one embodiment of this application, an installation groove is provided on the heating pad, and the magnet is fixedly installed in the installation groove.

[0008] In one embodiment of this application, a plurality of magnets are provided on the heating pad, and the plurality of magnets are axially equidistantly arranged on the heating pad.

[0009] In one embodiment of this application, a heating cable or a ceramic sheet is used to conduct heat inside the heating pad, and an electric heating control unit is provided inside the heating pad.

[0010] In one embodiment of this application, it further includes a handheld part, and the handheld part is fixedly installed on the outer wall of the heating pad.

[0011] In one embodiment of this application, a plurality of heating pads are provided.

[0012] The beneficial effects of this application are as follows: A heating device for disassembling the main shaft of a wind turbine maintenance operation obtained through the above design, when in use, manually paste different magnets on the inner and outer surfaces of the outer cylinder of the main shaft in different areas, with the plug connectors on the corresponding connection cables facing outward, which realizes the installation of multiple heating pads on the inner and outer surfaces of the outer cylinder of the main shaft. Finally, insert the plug connectors on the branch cables into the plug connectors on the connection cables, supply 380V voltage to the main cable, and the electric heating control unit in the heating pad controls its heating, and conducts power supply heating respectively. The heat can be conducted in the heating pad by using a tracing cable or ceramic chips in two ways, with fast heating. This heating device for disassembling the main shaft of a wind turbine maintenance operation can be operated by a single person, saving manpower, improving the heating efficiency, shortening the heating time, and improving the maintenance efficiency. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions of the embodiments of this application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0014] Figure 1 is a three-dimensional structural schematic diagram of a heating device for disassembling the main shaft of a wind turbine maintenance operation provided by an embodiment of this application;

[0015] Figure 2 is a relationship diagram between the heating pad and the installation groove provided by an embodiment of this application;

[0016] Figure 3 is a relationship diagram between the heating pad, the magnet, the connection cable, and the plug connector provided by an embodiment of this application;

[0017] Figure 4 is a three-dimensional structural schematic diagram of the heating pad and the magnet provided by an embodiment of this application.

[0018] In the figure: 110 - heating pad; 120 - installation groove; 130 - magnet; 140 - connection cable; 150 - plug connector; 160 - branch cable; 170 - main cable; 180 - handheld part. Detailed Embodiments

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts fall within the scope of protection of this application.

[0020] Embodiment

[0021] Please refer to Figure 1 - Figure 4 , this application provides a technical solution: a main shaft disassembly heating device for maintenance operations of a wind turbine generator, including a heating pad 110, a magnet 130, a connecting cable 140, a plug connector 150, a branch cable 160, and a main cable 170. The magnet 130 is fixedly installed on the heating pad 110. An installation groove 120 is provided on the heating pad 110, and the magnet 130 is fixedly installed in the installation groove 120. The setting of the installation groove 120 facilitates the fixed installation of the magnet 130 on the heating pad 110. A plurality of magnets 130 are provided on the heating pad 110, and the plurality of magnets 130 are axially equidistantly arranged on the heating pad 110. The plurality of magnets 130 make the heating pad 110 more firmly adsorbed on the outer cylinder of the main shaft;

[0022] One end of the connecting cable 140 is installed on the heating pad 110. Different parts of the plug connector 150 are respectively installed on the other end of the connecting cable 140 and one end of the branch cable 160. The other end of the branch cable 160 is installed on the main cable 170. The heating pad 110 uses a heating cable or a ceramic sheet to conduct heat. An electric heating control unit is provided in the heating pad 110. The electric heating control unit can adjust the output current according to the set temperature parameters, and feedback the heating time and the actual heating temperature; The power supply output module of the main cable 170 mainly inputs power to the electric heating control unit. It also includes a handheld part 180, and the handheld part 180 is fixed on the outer wall of the heating pad 110. The setting of the handheld part 180 facilitates the removal of the high-temperature heating pad 110 from the outer cylinder of the main shaft. In this embodiment, the handheld part 180 is a handle. A plurality of heating pads 110 are provided, and the plurality of heating pads 110 disperse the weight, and a single person can operate the heating pad 110.

[0023] Specifically, the working principle of the spindle disassembly heating device for the maintenance operation of the wind turbine generator set: During use, workers paste different magnets 130 on the inner and outer surfaces of the outer cylinder of the spindle in different areas, with the plug connectors 150 on the corresponding connection cables 140 facing outward, which realizes the installation of multiple heating pads 110 on the inner and outer surfaces of the outer cylinder of the spindle. Finally, the plug connectors 150 on the branch cable 160 are inserted into the plug connectors 150 on the connection cable 140, and a 380V voltage is supplied to the main cable 170. The electric heating control unit in the heating pad 110 controls its heating, and power supply heating is carried out separately. The heat can be conducted in two ways, namely, with a tracing cable or ceramic chips, inside the heating pad 110, with fast temperature rise. The spindle disassembly heating device for the maintenance operation of the wind turbine generator set can be operated by a single person, saving manpower, improving the heating efficiency, shortening the heating time, and improving the maintenance efficiency.

[0024] It should be noted that the specific model specifications of the heating pad 110, connection cable 140, branch cable 160, and main cable 170 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be elaborated in detail.

[0025] The power supply and its principle of the heating pad 110, connection cable 140, branch cable 160, and main cable 170 are clear to those skilled in the art and will not be elaborated here.

[0026] The above are only embodiments of the present application and are not used to limit the protection scope of the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A main shaft disassembly heating device for maintenance operations of a wind turbine generator, characterized in that, It includes a heating pad (110), a magnet (130), a connecting cable (140), a plug connector (150), a branch cable (160) and a main cable (170), and the magnet (130) is fixedly installed on the heating pad (110); One end of the connecting cable (140) is installed on the heating pad (110), different parts of the plug connector (150) are respectively installed on the other end of the connecting cable (140) and one end of the branch cable (160), and the other end of the branch cable (160) is installed on the main cable (170).

2. The spindle disassembly heating device for the operation and maintenance of a wind turbine generator set according to claim 1, characterized in that, An installation groove (120) is formed on the heating pad (110), and the magnet (130) is fixedly installed in the installation groove (120).

3. The spindle disassembly heating device for the operation and maintenance of a wind turbine generator set according to claim 1, characterized in that, A plurality of magnets (130) are arranged on the heating pad (110), and the plurality of magnets (130) are axially equidistantly arranged on the heating pad (110).

4. A spindle disassembly heating device for maintenance operations of a wind turbine generator set according to claim 1, characterized in that, A heat tracing cable or a ceramic sheet is adopted in the heating pad (110) to conduct heat, and an electric heating control unit is arranged in the heating pad (110).

5. A main shaft disassembly heating device for wind turbine operation and maintenance according to claim 1, characterized in that, It further includes a handheld part (180), and the handheld part (180) is fixed on the outer wall of the heating pad (110).

6. A main shaft disassembly heating device for maintenance operation of a wind turbine generator set according to claim 1, characterized in that, A plurality of heating pads (110) are provided.

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