Electromagnetic induction type flexible heating device

Abstract

The utility model relates to the field of mining area electromechanical equipment maintenance, in particular to an electromagnetic induction type flexible heating device which comprises an outer box body and a heating device, heat dissipation holes are formed in the surface of the outer box body, moving wheels are arranged at the bottom of the outer box body, and a control panel is arranged on the side of the upper end face of the outer box body. The heating device is composed of a frame, a heat preservation cylinder and an electromagnetic cable, the frame is of a cylindrical structure design, the heat preservation cylinder wraps the outer side of the frame, the upper end and the lower end of the heat preservation cylinder are fixedly connected with the frame, and the electromagnetic cable is arranged on the inner side of the frame in a winding mode. The two ends, extending to the outer side of the heat preservation cylinder, of the electromagnetic cable are each provided with a power connection plug. The utility model has the advantages of low energy consumption, electricity saving, high heating speed, no pollution, no noise, no need of preheating, difficulty in oxidation, convenience in gas protection, automatic control, safety, reliability, easiness in operation, capability of continuously working and the like.

Description

Technical Field

[0001] This utility model relates to the field of maintenance of electromechanical equipment in mining areas, and in particular to an electromagnetic induction flexible heating device. Background Technology

[0002] In the maintenance and disassembly of coal mine electromechanical equipment, in order to facilitate the disassembly of interference fit components such as bearings and couplings, it is often necessary to use heating disassembly. By utilizing the thermal expansion of metal parts, the fit clearance is increased, which can reduce damage during disassembly and improve disassembly efficiency.

[0003] In the process of repairing motors, mechanical and electrical equipment maintenance centers often use cutting torches to heat and disassemble interference-fit components such as bearings and couplings. However, manual heating is uneven, difficult to disassemble, and can easily damage the assembly shaft. Furthermore, the heating process may also cut the bearings and couplings. Therefore, an electromagnetic induction flexible heating device was designed and manufactured. Utility Model Content

[0004] To overcome the problems of uneven manual heating, difficulty in disassembly, and easy damage to the assembly shaft during the heating and disassembly of interference fit components such as bearings and couplings, and the potential for cutting the bearings and couplings during the heating process.

[0005] The technical solution of this utility model is as follows: an electromagnetic induction flexible heating device, including an outer casing and a heating device. The surface of the outer casing is provided with heat dissipation holes, the bottom of the outer casing is provided with casters, the side of the upper surface of the outer casing is provided with a control panel, the surface of the outer casing is provided with indicator lights and control buttons on the side of the control panel, the rear side of the surface of the outer casing is provided with a temperature probe, an air switch is provided on the outer casing, and a power socket is provided on the surface of the outer casing below the air switch.

[0006] The heating device consists of a frame, an insulation cylinder, and an electromagnetic cable. The frame has a cylindrical structure design, and the insulation cylinder is wrapped around the outside of the frame. The upper and lower ends of the insulation cylinder are fixedly connected to the frame. The electromagnetic cable is coiled inside the frame, and both ends of the electromagnetic cable extending to the outside of the insulation cylinder are equipped with power plugs.

[0007] Preferably, the temperature probe is placed on the component to be disassembled, and the auxiliary temperature probe is placed on the equipment that matches the component. The power is turned on, and the electromagnetic induction principle is used to convert the magnetic field into a magnetic field of the same frequency through the magnetic field lines. This magnetic field acts on the workpiece in the magnetic field, and the eddy current effect generates an induced rotating current on the workpiece that is proportional to the magnetic field strength. The rotating current is converted into heat energy by the resistance of the workpiece. At the same time, there are also magnetic hysteresis effects, which together cause the workpiece temperature to rise rapidly, achieving the purpose of rapid heating. Then, tools such as pry bars and copper rods are used to disassemble and assemble the workpiece. The operation is relatively time-saving and labor-saving, reduces manual labor, consumes less energy and electricity, and heats up quickly.

[0008] Preferably, the bottom of the frame is provided with identical casters, the top of the frame is provided with a handle, and the top of the frame is provided with a hanging ring on the side of the handle.

[0009] Preferably, the control panel is electrically connected to the indicator lights, control buttons, temperature probe, air switch, and power socket. The control panel is a touch screen and includes an information processing module.

[0010] Preferably, two temperature probes are provided, and the two temperature probes are connected to the outer casing via cables.

[0011] Preferably, the frame is provided with reinforcing plates, and the electromagnetic cable is fixedly connected to the frame through the reinforcing plates.

[0012] As a preferred option, the insulation cylinder has a double-layer structure, with a pearl cotton insulation layer filling the space between the two insulation cylinders.

[0013] Ideally, the plug and the socket should be matched one-to-one.

[0014] The beneficial effects of this utility model are:

[0015] This electromagnetic induction flexible heating device features casters at the bottom of both the heating unit and the outer casing for easy movement. The power supply is connected to the outer casing, while the heating unit is placed on the outside of the workpiece to be disassembled. The power plug connects to the outer casing, and the device is controlled via a control panel and operating buttons. Two temperature probes are also installed on the workpiece for temperature measurement. When powered on, the electromagnetic cable generates an electromagnetic induction principle, converting the magnetic field into a magnetic field of the same frequency. This magnetic field acts on the workpiece, inducing a rotating current proportional to the magnetic field strength using the eddy current effect. This rotating current, aided by the workpiece's internal resistance, converts the heat energy into heat. Simultaneously, hysteresis and other factors contribute to a rapid temperature increase, achieving rapid heating. This facilitates the heating and disassembly of the workpiece, ensuring uniform and rapid heating and replacement. The insulation cylinder enhances insulation and improves safety. Attached Figure Description

[0016] Figure 1 The diagram shown is a schematic representation of the overall structure of the electromagnetic induction flexible heating device of this utility model.

[0017] Figure 2 The diagram shown is a schematic representation of the outer casing structure of the electromagnetic induction flexible heating device of this utility model.

[0018] Figure 3 The diagram shown is a schematic representation of the structure of the electromagnetic induction flexible heating device of this utility model.

[0019] Figure 4 The diagram shown is a schematic representation of the frame structure of the electromagnetic induction flexible heating device of this utility model.

[0020] Figure 5 The diagram shown is a cross-sectional view of the insulation cylinder of the electromagnetic induction flexible heating device of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Outer casing; 2. Casters; 3. Control panel; 4. Indicator light; 5. Control button; 6. Temperature probe; 7. Air switch; 8. Power socket; 91. Frame; 92. Insulation cylinder; 93. Electromagnetic cable; 94. Power plug; 95. Handle. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5 This utility model provides an embodiment: an electromagnetic induction flexible heating device, including an outer casing 1 and a heating device. The surface of the outer casing 1 is provided with heat dissipation holes, the bottom of the outer casing 1 is provided with casters 2, the upper side of the outer casing 1 is provided with a control panel 3, the surface of the outer casing 1 is provided with an indicator light 4 and a control button 5 on the side of the control panel 3, the rear side of the surface of the outer casing 1 is provided with a temperature probe 6, the outer casing 1 is provided with an air switch 7, and the surface of the outer casing 1 is provided with a power socket 8 below the air switch 7.

[0024] The heating device consists of a frame 91, an insulation cylinder 92, and an electromagnetic cable 93. The frame 91 has a cylindrical structure, and the insulation cylinder 92 is wrapped around the outside of the frame 91, with its upper and lower ends fixedly connected to the frame 91. The electromagnetic cable 93 is coiled inside the frame 91, and both ends of the electromagnetic cable 93 extending to the outside of the insulation cylinder 92 are equipped with power plugs 94. The bottom of the frame 91 is equipped with identical casters 2, and the top of the frame 91 is equipped with a handle 95. A lifting ring is located on the side of the handle 95 at the top of the frame 91, allowing the temperature probe 6 to be placed on the component to be disassembled for auxiliary temperature control. The probe 6 is placed on the equipment that matches the parts. When the power is turned on, it uses the principle of electromagnetic induction to convert the magnetic field into a magnetic field of the same frequency through the magnetic lines of force. This magnetic field acts on the workpiece, and the eddy current effect generates an induced rotating current on the workpiece that is proportional to the magnetic field strength. The rotating current is converted into heat energy by the resistance of the workpiece. At the same time, there are also magnetic hysteresis effects, which together cause the workpiece temperature to rise rapidly, achieving the purpose of rapid heating. Then, tools such as pry bars and copper rods are used to disassemble and assemble the workpiece. The operation is relatively time-saving and labor-saving, reduces manual labor, and consumes less energy and electricity while heating up quickly.

[0025] Please see Figure 1 and Figure 2 In this embodiment, the control panel 3 is electrically connected to the indicator lights 4, control buttons 5, temperature probes 6, air switches 7, and power sockets 8. The control panel 3 is a touch screen display and contains an information processing module. There are two temperature probes 6, which are connected to the outer casing 1 via cables. After the outer casing 1 is connected to an external power source, it can provide power to the entire device structure. The device can be viewed and controlled through the control panel 3, indicator lights 4, and control buttons 5, making it more convenient and reducing manual labor. The temperature probes 6 are used to connect and disassemble workpieces. Personnel can view the heating temperature through the control panel 3 to achieve precise temperature control and set the temperature. Generally, the temperature setting for disassembling motor couplings, etc., is around 110℃.

[0026] Please see Figure 3 , Figure 4 and Figure 5 In this embodiment, a reinforcing plate is provided in the frame 91, and the electromagnetic cable 93 is fixedly connected to the frame 91 through the reinforcing plate. The heat preservation cylinder 92 has a double-layer structure, and a pearl cotton heat preservation layer is filled between the two heat preservation cylinders 92. The power plug 94 and the power socket 8 correspond one-to-one. The electromagnetic cable 93 is coiled and installed on the inner side of the frame 91 to form an electromagnetic induction structure, which facilitates heating. The outer heat preservation cylinder 92 provides heat insulation protection, reduces heat loss, and increases safety. The electromagnetic cable 93 is powered by plugging in the power plug 94 and the power socket 8.

[0027] During operation, both the heating device and the outer casing 1 have casters 2 at their bottom for easy movement. During disassembly, the heating device is moved to the outside of the workpiece to be disassembled, allowing for assembly. The workpiece is located inside the frame 91, while the outer casing 1 is connected to an external power source. The power plug 94 and power socket 8 are connected to supply power to the electromagnetic cable 93. Simultaneously, two temperature probes 6 are installed on the workpiece. After power is applied, the electromagnetic induction principle is used to convert the magnetic field into a magnetic field of the same frequency, which acts on the workpiece within this magnetic field. The eddy current effect generates a rotating current proportional to the magnetic field strength on the workpiece. This rotating current, aided by the workpiece's internal resistance, is converted into heat energy. Simultaneously, hysteresis and other effects contribute to a rapid increase in workpiece temperature, achieving rapid heating. Tools such as pry bars and copper rods are then used to disassemble and assemble the workpiece. The control panel 3, indicator lights 4, and control buttons 5 provide convenient viewing and control, reducing manual labor. The temperature probes 6 detect the temperature for precise temperature control.

[0028] Through the above steps, utilizing the principle of electromagnetic induction, magnetic field lines are converted into a magnetic field of the same frequency, which acts on the workpiece within this magnetic field. The eddy current effect generates an induced rotating current (eddy current) on the workpiece, proportional to the magnetic field strength. This rotating current, aided by the workpiece's internal resistance, is converted into heat energy. Simultaneously, hysteresis and other factors contribute to a rapid increase in workpiece temperature, achieving rapid heating. Then, tools such as pry bars and copper rods are used to disassemble and assemble the workpiece. This operation is time-saving, labor-saving, reduces manual labor, consumes less energy and electricity, and heats quickly. It solves the problems of uneven manual heating, difficulty in disassembly, and potential damage to the assembly shaft, as well as the risk of cutting the bearings and couplings during the heating and disassembly of interference-fit components such as bearings and couplings.

Claims

1. An electromagnetic induction flexible heating device, comprising an outer casing (1) and a heating device, characterized in that: The outer casing (1) has ventilation holes on its surface. The bottom of the outer casing (1) is provided with casters (2). The upper side of the outer casing (1) is provided with a control panel (3). The outer casing (1) is provided with an indicator light (4) and a control button (5) on the side of the control panel (3). The rear side of the outer casing (1) is provided with a temperature probe (6). The outer casing (1) is provided with an air switch (7). The outer casing (1) is provided with a power socket (8) below the air switch (7). The heating device consists of a frame (91), an insulation cylinder (92), and an electromagnetic cable (93). The frame (91) has a cylindrical structure design. The insulation cylinder (92) is wrapped around the outside of the frame (91), and the upper and lower ends of the insulation cylinder (92) are fixedly connected to the frame (91). The electromagnetic cable (93) is coiled inside the frame (91), and both ends of the electromagnetic cable (93) extending to the outside of the insulation cylinder (92) are equipped with power plugs (94).

2. The electromagnetic induction flexible heating device according to claim 1, characterized in that: The bottom of the frame (91) is provided with the same moving wheels (2), the top of the frame (91) is provided with a handle (95), and the top of the frame (91) is provided with a hanging ring on the side of the handle (95).

3. The electromagnetic induction flexible heating device according to claim 1, characterized in that: The control panel (3) is electrically connected to the indicator light (4), control button (5), temperature probe (6), air switch (7), and power socket (8). The control panel (3) is a touch screen display and has an information processing module.

4. The electromagnetic induction flexible heating device according to claim 1, characterized in that: There are two temperature probes (6), and the two temperature probes (6) are connected to the outer casing (1) by cables.

5. The electromagnetic induction flexible heating device according to claim 1, characterized in that: A reinforcing plate is provided in the frame (91), and the electromagnetic cable (93) is fixedly connected to the frame (91) through the reinforcing plate.

6. The electromagnetic induction flexible heating device according to claim 1, characterized in that: The insulation cylinder (92) has a double-layer structure, with a pearl cotton insulation layer filling the space between the two insulation cylinders (92).

7. The electromagnetic induction flexible heating device according to claim 1, characterized in that: The plug (94) and the socket (8) are one-to-one.

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