CN112846434A - Special decomposition device for landing gear terminal electric door mechanism and use method thereof - Google Patents
Special decomposition device for landing gear terminal electric door mechanism and use method thereof Download PDFInfo
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- CN112846434A CN112846434A CN202011399051.8A CN202011399051A CN112846434A CN 112846434 A CN112846434 A CN 112846434A CN 202011399051 A CN202011399051 A CN 202011399051A CN 112846434 A CN112846434 A CN 112846434A
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- Prior art keywords
- heating
- frequency induction
- terminal electric
- electric door
- door mechanism
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/018—Unsoldering; Removal of melted solder or other residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
- B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
Abstract
The invention relates to the field of special decomposition devices, in particular to a special decomposition device for an undercarriage terminal electric door mechanism and a use method thereof, wherein the decomposition device comprises the following steps: the high-frequency induction heating device, the water circulation cooling device and the exhaust ventilation part comprise the following specific steps: s1, connecting a device power plug; s2, starting a switch of the water circulation cooling device; s3, starting a switch; s4, heating; s5, adjusting the mode; s6, starting heating; s7, hot melting; s8, finishing heating; the high-frequency induction heating technology is introduced into the repair of the airplane terminal electric door mechanism, the whole decomposition welding device is reasonable in design and reliable in work, and the transparent working box body and the exhaust and ventilation part adopted in the special decomposition device are designed, so that the smoke gas generated in the welding process is quickly and effectively discharged.
Description
Technical Field
The invention relates to the field of special decomposition devices, in particular to a special decomposition device for an undercarriage terminal electric door mechanism and a using method thereof.
Background
The landing gear terminal electric door mechanism is an important part of an electric control and indication system of the landing gear, and the number of products is large, and the number of single machines is as large as nearly 20. As shown in figure 1, the whole terminal electric door mechanism adopts a fully-sealed welding structure, two groups of micro switch assemblies and one set of mechanical transmission mechanism are arranged inside the terminal electric door mechanism, faults of micro switches inside products are increased along with the extension of the service period of an airplane, and potential faults endanger flight safety, so that the decomposition process of a plug assembly and plug assembly 1, a side plate 2, a micro switch assembly 3, an outer cover 4, a spring 5, a rocker arm 6, a rotating shaft 7 and an elastic piece component 8 of the terminal electric door mechanism needs to be researched as shown in figure 1.
Through to product principle, structural analysis, implement the product and decompose under the prerequisite of not destroying product structure and damage part, the part after the decomposition is recycled after special treatment, and current method is to use the electric iron to carry out the heating decomposition along former welding position, and its main shortcoming is: 1. when the electric soldering iron is used for heating, the heating position is only concentrated in the head area of the electric soldering iron, the heating area is small, and the disassembly of components is not facilitated; 2. the electric soldering iron is long in heating time, and meanwhile, after the electric soldering iron head leaves a heating position, solder is easy to re-solidify, so that the electric soldering iron needs to be heated again, and the working efficiency is very low.
Disclosure of Invention
In order to solve the problems, the invention provides a special disassembling device for a terminal electric door mechanism of an undercarriage and a using method thereof.
A special decomposition device for an end-of-range electric door mechanism of an undercarriage comprises:
the high-frequency induction heating device is used for providing a high-frequency induction magnetic field for a terminal electric gate mechanism needing to be disassembled and welded and forming eddy current required by induction heating;
the water circulation cooling device is used for providing cooling water capable of circularly cooling for the high-frequency induction heating pipeline;
and the exhaust ventilation part is used for exhausting smoke gas generated in the welding process out of the room, so that the cleanness and safety of the working environment are ensured.
The high-frequency induction heating device is also provided with a heating coil which is connected through a pipeline and is processed and self-made according to the appearance and the structure of the landing gear terminal electric door mechanism.
The high-frequency induction heating device has the advantages that the cooling water pressure is greater than 0.2Mpa, the cooling water flow is 2-5L/min, the heating current is 200-600A, and the heating and cooling time is 1-99 s.
The heating coil comprises a heating coil head, a first metal connecting pipe connected with the heating coil head and wound with an insulating adhesive tape, a flexible rubber hose arranged on the first metal connecting pipe and provided with a protective sleeve, a pipe joint arranged on the first metal connecting pipe, a first locking nut arranged on the pipe joint, a bakelite baffle arranged on the first locking nut, a second metal connecting pipe arranged at one end of the flexible rubber hose and far away from one end of the metal connecting pipe, and a second locking nut arranged on the second metal connecting pipe.
3 circles of copper pipes are wound on the heating coil heads, and insulating tapes are wound on the heating coil heads.
The water circulation cooling device is an air-cooled water chiller and further comprises a filter connected through a pipeline.
The air-cooled water chiller has compressor power of 1.52Kw, water tank capacity of 55L and chilled water flow of 0.72m3/h。
The exhaust ventilation part is an exhaust fan, and the exhaust ventilation part also comprises a transparent working box body and an exhaust pipe arranged on the transparent working box body.
A use method of a special decomposition device for a landing gear terminal electric door mechanism comprises the following specific steps:
s1, connecting equipment power plug: respectively connecting power lines of the water circulation cooling device and the high-frequency induction heating device to corresponding sockets;
s2, starting a switch of the water circulation cooling device: turning on a power switch of the water circulation cooling device, observing that the indication of the water pressure gauge is normal, and hearing the working sound of the water pump; opening cooling water, observing a certain water outlet flow of a water outlet pipe, and setting the working temperature of a water circulation system not to exceed 25 ℃ on a front panel of the high-frequency induction heating device;
s3, starting switch: turning on a power switch on a front panel of the high-frequency induction heating device, and turning on a power switch of the exhaust ventilation device;
s4, heating: putting the terminal electric switch mechanism into a transparent working box body: putting a workpiece to be heated into a transparent working box body, and placing a part of the workpiece needing to be heated in a heating coil head;
s5, adjusting the mode: setting the high-frequency induction heating device to be in an automatic working mode or a manual mode, adjusting a heating power knob on a control box, setting output current to 600A, setting heating time to be 10 seconds, heat preservation time to be 3 seconds and cooling time to be 2 seconds;
s6, starting heating: the manual mode needs to press a start button on an operation panel of the high-frequency induction heating device, and the automatic mode needs to step on a foot switch to start heating; at the moment, the working indicator lamp flickers, the machine makes a droplet sound, the heating lamp is on, and the digital display meter displays the magnitude of the output heating current; the larger the current, the faster the heating; the time display displays the heating time;
s7, hot melting: heating along the shell of the product for 1-5 s at a time, throwing away the solder after the solder is melted, circularly operating, decomposing and taking down the plug, the side plate and the outer cover;
s8, heating end: when the device is shut down, the power switch on the operation panel of the high-frequency induction heating device is closed, then the power switches of the water circulation cooling device and the exhaust ventilation device are closed, and then the external main power switch is closed.
The invention has the beneficial effects that: the high-frequency induction heating technology is introduced into the repair of the airplane terminal electric door mechanism, the whole decomposition welding device is reasonable in design and reliable in work, and the transparent working box body and the exhaust and ventilation part adopted in the special decomposition device ensure that smoke gas generated in the welding process is quickly and effectively exhausted; the special decomposition device for the landing gear terminal electric door mechanism meets the requirements of rapid and reliable decomposition of various types of terminal electric door mechanisms on the airplane, reduces the welding decomposition time of components on the terminal electric door mechanism of a single landing gear from about 20 minutes to 15 seconds, greatly improves the decomposition and repair work efficiency of the terminal electric door mechanism, and powerfully ensures the airplane repair progress.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a landing gear end point electric door mechanism of the present invention;
FIG. 2 is a block diagram of the design of a special decomposition device for an end-point electric door mechanism of the landing gear of the invention;
FIG. 3 is a schematic view of the heating coil profile of the present invention;
FIG. 4 is a flow chart of the operation of the special decomposition device for the landing gear terminal electric door mechanism of the invention;
description of the drawings: 11. heating the coil head; 12. locking the first nut; 13. a bakelite baffle; 14. a pipe joint; 15. a first metal connecting pipe; 16. a soft rubber tube; 17. a second metal connecting pipe; 18. and locking a second nut.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
As shown in fig. 1 to 4, a special disassembling device for an electric door mechanism at the terminal of a landing gear comprises:
the high-frequency induction heating device is used for providing a high-frequency induction magnetic field for a terminal electric gate mechanism needing to be disassembled and welded and forming eddy current required by induction heating;
the water circulation cooling device is used for providing cooling water capable of circularly cooling for the high-frequency induction heating pipeline;
and the exhaust ventilation part is used for exhausting smoke gas generated in the welding process out of the room, so that the cleanness and safety of the working environment are ensured.
The high-frequency induction heating device is also provided with a heating coil which is connected through a pipeline and is processed and self-made according to the appearance and the structure of the landing gear terminal electric door mechanism.
The high-frequency induction heating device is a DL-25A type high-frequency induction heating device.
The high-frequency induction heating device has the advantages that the cooling water pressure is greater than 0.2Mpa, the cooling water flow is 2-5L/min, the heating current is 200-600A, and the heating and cooling time is 1-99 s.
The voltage of the high-frequency induction heating device is 380V.
The heating coil comprises a heating coil head 11, a first metal connecting pipe 15 which is connected with the heating coil head 11 and is wound with an insulating adhesive tape, a soft rubber pipe 1 which is arranged on the first metal connecting pipe 15 and is provided with a protective sleeve, a pipe joint 14 which is arranged on the first metal connecting pipe 15, a first locking nut 12 which is arranged on the pipe joint 14, a bakelite baffle 13 which is arranged on the first locking nut 12, a second metal connecting pipe 17 which is connected with the soft rubber pipe 1 and is arranged at the end far away from the first metal connecting pipe 15, and a second locking nut 18 which is arranged on the second metal connecting pipe 17.
The inner size of the heating coil head 11 is 70mm multiplied by 80mm, and the pipe diameter is 8 mm.
And 3 circles of copper pipes are wound on the heating coil head 11 and are wound with insulating tapes.
The water circulation cooling device is an air-cooled water chiller and further comprises a filter connected through a pipeline.
The air-cooled water chiller is a PC-1.5AC type water chiller.
The air-cooled water chiller has compressor power of 1.52Kw, water tank capacity of 55L and chilled water flow of 0.72m3/h。
The voltage of the air-cooled water chiller is 220V.
The exhaust ventilation part is an exhaust fan, and the exhaust ventilation part also comprises a transparent working box body and an exhaust pipe arranged on the transparent working box body.
A use method of a special decomposition device for a landing gear terminal electric door mechanism comprises the following specific steps:
s1, connecting equipment power plug: respectively connecting PC-1.5AC type power lines of the water circulation cooling device and DL-25A type power lines of the high-frequency induction heating device to corresponding sockets;
s2, starting a switch of the water circulation cooling device: turning on a PC-1.5AC type power switch of the water circulation cooling device, observing that the indication of the water pressure gauge is normal, and hearing the working sound of the water pump; opening cooling water, observing a certain water outlet flow of a water outlet pipe, and setting the working temperature of a water circulation system not to exceed 25 ℃ on a DL-25A type front panel of the high-frequency induction heating device;
s3, starting switch: turning on a power switch on a DL-25A type front panel of the high-frequency induction heating device, and turning on a power switch of the exhaust ventilation device;
s4, heating: putting the terminal electric switch mechanism into a transparent working box body: putting a workpiece to be heated into a transparent working box body, and placing a part of the workpiece needing to be heated in a heating coil head;
s5, adjusting the mode: setting the DL-25A type of the high-frequency induction heating device to be in an automatic working mode or a manual mode, adjusting a heating power knob on a control box, setting output current to 600A, setting heating time to be 10 seconds, heat preservation time to be 3 seconds and cooling time to be 2 seconds;
s6, starting heating: in the manual mode, a start button on a DL-25A type operation panel of the high-frequency induction heating device is required to be pressed, and in the automatic mode, a foot switch is required to be stepped to start heating; at the moment, the working indicator lamp flickers, the machine makes a droplet sound, the heating lamp is on, and the digital display meter displays the magnitude of the output heating current; the larger the current, the faster the heating; the time display displays the heating time;
s7, hot melting: heating along the shell of the product for 1-5 s at a time, throwing away the solder after the solder is melted, circularly operating, decomposing and taking down the plug, the side plate and the outer cover;
s8, heating end: when the device is shut down, the power switch on the DL-25A type operation panel of the high-frequency induction heating device is closed, then the power switches of the PC-1.5AC type water circulation cooling device and the exhaust ventilation device are closed, and then the external main power switch is closed.
The exhaust fan can select exhaust fans of different brands according to the capacity and the exhaust power of the transparent working box body.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a special decomposition device of undercarriage terminal electric door mechanism, includes external equipment control box, its characterized in that: further comprising:
the high-frequency induction heating device is used for providing a high-frequency induction magnetic field for a terminal electric gate mechanism needing to be disassembled and welded and forming eddy current required by induction heating;
the water circulation cooling device is used for providing cooling water capable of circularly cooling for the high-frequency induction heating pipeline;
the exhaust ventilation device exhausts smoke gas generated in the welding process to the outside, and ensures clean and safe working environment.
2. The special disassembling device for the landing gear terminal electric door mechanism according to claim 1, characterized in that: the high-frequency induction heating device is also provided with a heating coil which is connected through a pipeline and is processed and self-made according to the appearance and the structure of the landing gear terminal electric door mechanism.
3. The special disassembling device for the landing gear terminal electric door mechanism according to claim 1, characterized in that: the high-frequency induction heating device has the advantages that the cooling water pressure is greater than 0.2Mpa, the cooling water flow is 2-5L/min, the heating current is 200-600A, and the heating and cooling time is 1-99 s.
4. The special disassembling device for the landing gear terminal electric door mechanism according to claim 2, characterized in that: the heating coil comprises a heating coil head (11), a first metal connecting pipe (15) which is connected with the heating coil head (11) and is wound with an insulating tape, a soft rubber pipe (1) which is arranged on the first metal connecting pipe (15) and is provided with a protective sleeve, a pipe joint (14) arranged on the first metal connecting pipe (15), a first locking nut (12) arranged on the pipe joint (14), a bakelite baffle (13) arranged on the first locking nut (12), a second metal connecting pipe (17) which is connected with the soft rubber pipe (1) and is far away from the first metal connecting pipe (15) and a second locking nut (18) arranged on the second metal connecting pipe (17).
5. The special disassembling device for the landing gear terminal electric door mechanism according to claim 4, characterized in that: and 3 circles of copper pipes are wound on the heating coil head (11) and are wound with insulating tapes.
6. The special disassembling device for the landing gear terminal electric door mechanism according to claim 1, characterized in that: the water circulation cooling device is an air-cooled water chiller and further comprises a filter connected through a pipeline.
7. The special disassembling device for the landing gear terminal electric door mechanism according to claim 6, wherein: the air-cooled water chiller has compressor power of 1.52Kw, water tank capacity of 55L and chilled water flow of 0.72m3/h。
8. The special disassembling device for the landing gear terminal electric door mechanism according to claim 1, characterized in that: the exhaust ventilation device is an exhaust fan, and further comprises a transparent working box body and an exhaust pipe arranged on the transparent working box body.
9. Use of a special disassembly device for landing gear end-point electric door gear according to any of claims 1 to 8, characterized in that: the method comprises the following specific steps:
s1, connecting equipment power plug: respectively connecting power lines of the water circulation cooling device and the high-frequency induction heating device to corresponding sockets;
s2, starting a switch of the water circulation cooling device: turning on a power switch of the water circulation cooling device, observing that the indication of the water pressure gauge is normal, and hearing the working sound of the water pump; opening cooling water, observing a certain water outlet flow of a water outlet pipe, and setting the working temperature of a water circulation system not to exceed 25 ℃ on a front panel of the high-frequency induction heating device;
s3, starting switch: turning on a power switch on a front panel of the high-frequency induction heating device, and turning on a power switch of the exhaust ventilation device;
s4, heating: putting the terminal electric switch mechanism into a transparent working box body: putting a workpiece to be heated into a transparent working box body, and placing a part of the workpiece needing to be heated in a heating coil head;
s5, adjusting the mode: setting the high-frequency induction heating device to be in an automatic working mode or a manual mode, adjusting a heating power knob on a control box, setting output current to 600A, setting heating time to be 10 seconds, heat preservation time to be 3 seconds and cooling time to be 2 seconds;
s6, starting heating: the manual mode needs to press a start button on an operation panel of the high-frequency induction heating device, and the automatic mode needs to step on a foot switch to start heating; at the moment, the working indicator lamp flickers, the machine makes a droplet sound, the heating lamp is on, and the digital display meter displays the magnitude of the output heating current; the larger the current, the faster the heating; the time display displays the heating time;
s7, hot melting: heating along the shell of the product for 1-5 s at a time, throwing away the solder after the solder is melted, circularly operating, decomposing and taking down the plug, the side plate and the outer cover;
s8, heating end: when the device is shut down, the power switch on the operation panel of the high-frequency induction heating device is closed, then the power switches of the water circulation cooling device and the exhaust ventilation device are closed, and then the external main power switch is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399051.8A CN112846434A (en) | 2020-12-01 | 2020-12-01 | Special decomposition device for landing gear terminal electric door mechanism and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011399051.8A CN112846434A (en) | 2020-12-01 | 2020-12-01 | Special decomposition device for landing gear terminal electric door mechanism and use method thereof |
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| CN112846434A true CN112846434A (en) | 2021-05-28 |
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| CN202011399051.8A Pending CN112846434A (en) | 2020-12-01 | 2020-12-01 | Special decomposition device for landing gear terminal electric door mechanism and use method thereof |
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| CN105792401A (en) * | 2014-12-23 | 2016-07-20 | 北京有色金属研究总院 | Induction coil and fabrication method thereof |
| CN109676320A (en) * | 2019-01-30 | 2019-04-26 | 玉柴联合动力股份有限公司 | One kind tearing valve retainer device and its application method open |
| CN110560465A (en) * | 2019-09-30 | 2019-12-13 | 清远市进田企业有限公司 | Waste circuit board detinning device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264134A1 (en) * | 2009-04-16 | 2010-10-21 | Us Synthetic Corporation | Apparatuses and methods for induction heating |
| CN201729850U (en) * | 2009-12-26 | 2011-02-02 | 福建省飞驰机械工业有限公司 | Small hole high-frequency induction coil |
| CN102500858A (en) * | 2011-10-28 | 2012-06-20 | 北京工业大学 | System for separating electronic component in waste and old circuit board by utilizing high-frequency induction heating and method |
| CN202527898U (en) * | 2012-04-28 | 2012-11-14 | 龙岩成龙机械有限公司 | Processing device for assembling balancing shaft hole and balancing shaft of balancing shaft bracket |
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Application publication date: 20210528 |