Movable square cabin for material repair and use method of movable square cabin

Abstract

The invention provides a movable square cabin for material repair and a use method thereof, and solves the problems of long material repair period, poor mobility and the like in the prior art, and the main scheme is that the movable square cabin comprises a cabin body which can be connected with a movable trolley through an external vehicle-mounted platform for transportation operation; the increasing and decreasing rapid forming module comprises a gantry table, a welding machine and a milling table which is adjusted through three axes of the gantry table, the three-axis adjusting direction of the gantry table corresponds to the length, width and height direction of the cabin body, a synchronous sliding rail is further fixed to the position, corresponding to the bottom of the milling table, of the cabin body, and the rail direction of the synchronous sliding rail corresponds to the length direction of the cabin body; a plurality of rotary tables are connected to the gantry table in a sliding mode, each rotary table clamps a tool block to fix an external material to be repaired, the rotating direction of the rotary tables is the same as the track direction of the synchronous sliding rails, the welding machine is fixed to the outer sides of the tail ends of the synchronous sliding rails and arranged opposite to the gantry table, and the bottom of the welding machine is correspondingly connected with side sliding rails in a sliding mode. The rail direction of the side sliding rails is the same as the width direction of the cabin body.

Description

Technical Field

[0001] The present invention relates to the technical field of material processing, and in particular to a mobile shelter for material repair and a use method thereof. Background Art

[0002] In complex and harsh outdoor environments such as onshore wind power, tunnels and bridges, when the unit equipment and construction machinery parts are damaged, it will seriously affect the progress of the project. Because there are no repair factory manufacturing / remanufacturing conditions on site, it is difficult to restore all functions to continue production and maintenance tasks with only the spare parts carried. In order to solve this problem, a technology and equipment is needed that can reduce the pressure of logistics supply and realize the rapid manufacturing / remanufacturing of damaged parts in complex outdoor environments.

[0003] To this end, we propose a mobile shelter for material repair and a method of using the same to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art. The present invention proposes a mobile cabin for material repair and a method of using the same, which can realize the repair of components such as titanium alloy, aluminum alloy, and high-strength steel in a complex environment, ensure that the mechanical properties are equivalent to those of additively manufactured components in a stable environment in the factory, and the strength of the repaired material has a low deviation from the data in the process parameter library.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a mobile shelter for material repair, comprising:

[0006] The cabin can be connected to a mobile vehicle for transportation via an external vehicle-mounted platform;

[0007] Increase and decrease rapid prototyping modules, built into the cabin, include a gantry, a welding machine, and a milling table adjusted by the three axes of the gantry, the three-axis adjustment direction of the gantry corresponds to the length, width and height of the cabin, the cabin is also fixed with a synchronous slide rail at the bottom corresponding to the milling table, the track direction of the synchronous slide rail corresponds to the length direction of the cabin, and a plurality of turntables are slidably connected thereon, each of the turntables clamps a tooling block to fix the external material to be repaired, the rotation direction of the turntable is the same as the track direction of the synchronous slide rail, the welding machine is fixed to the outside of the end of the synchronous slide rail and is arranged opposite to the gantry, and the bottom thereof is correspondingly slidably connected with a side slide rail, and the track direction of the side slide rail is the same as the width direction of the cabin;

[0008] An operating module, comprising an operating table and a monitoring panel, wherein the operating table is electrically connected to each structural component in the increase / decrease rapid prototyping module and is displayed through the monitoring panel;

[0009] Auxiliary tool modules include various cabinet structures bolted into the cabin to store various maintenance and processing tools.

[0010] Furthermore, a detachable fixing frame is fixed on the outside of the cabin, and a plurality of vertical liquid argon bottles are fixed by iron chains inside the fixing frame. A fan module is also fixed on the top of the cabin and is connected to the vertical liquid argon bottles.

[0011] Furthermore, the gantry platform includes a base, a moving column and a cross beam. The base is welded and fixed to the inner bottom of the cabin, and a first linear drive module is provided on the top thereof. The moving columns include two and are symmetrically arranged on both sides of the base. Each of the moving columns is slidably connected to the base through the first linear drive module. Each of the moving columns is fixed with a second linear drive module along its height direction. Both ends of the cross beam are respectively connected to the two moving columns and slide up and down through the second linear drive module. A third linear drive module is fixed on the cross beam to be slidably connected to the milling table.

[0012] Furthermore, the third linear drive module is slidably connected with a fine-tuning slide rail, the track direction of the fine-tuning slide rail is the same as the height direction of the moving column, and a connecting table that slides up and down is servo-driven by a fine-tuning motor. The milling table is inverted and fixedly connected to the connecting table.

[0013] Furthermore, the turntable includes a driving seat, a tailstock and a bridge plate. The driving seat is arranged opposite to the tailstock, and both ends of the bridge plate are locked by oil pressure of the positioning platform. The size of the bridge plate is 800mm×500mm×50mm.

[0014] Furthermore, the welding machine model is CMT4000, the welding current range is 3-400A, the working temperature is -10℃-40℃, and the bottom is also equipped with a wire feeder. The welding wire diameter of the wire feeder is 0.8-1.6mm, and the wire feeding speed is 0.5-22m / min.

[0015] Furthermore, a temperature and humidity control module is integrated on the top of the cabin to adjust the temperature and humidity inside the cabin.

[0016] Furthermore, the four corners of the bottom of the cabin can be fixed to the ground through external telescopic legs, and the cabin is movably sealed at the front door corresponding to the increase or decrease of the rapid prototyping module and a foldable escalator is provided at the corresponding position.

[0017] The method for using the above-mentioned mobile shelter for material repair comprises the following steps:

[0018] Step 1: The cabin is assembled by the external vehicle-mounted platform and the mobile vehicle to reach the destination;

[0019] Step 2: The equipment platform is leveled and fixed to the ground through telescopic legs;

[0020] Step 3: Open the cabin door, fix the corresponding working escalator, and observe the escalator; power on the equipment, start the fan module and the temperature and humidity control module, and adjust the cabin environment;

[0021] Step 4: After the substrate surface is treated, the substrate is fixed on the turntable, the wire is prepared in the auxiliary tool module, and the path planning and process call are performed synchronously through the operation module;

[0022] Step 5: CMT welding machine performs arc additive manufacturing;

[0023] Step 6: In-situ heat treatment;

[0024] Step 7: Move the turntable to increase or decrease process changes;

[0025] Step 8: Call the subtractive process parameters through the operation module, and perform subtractive processing, including contour processing and segmentation processing;

[0026] Step 9: Check the size, defects, surface quality, etc. of the parts, perform partial repairs, and complete the manufacturing of typical parts;

[0027] Step 10: Return the equipment to its original position, clean the cabin, power off and secure the equipment, close the cabin door, retract the telescopic legs, and move to the next destination.

[0028] Compared with the prior art, the beneficial effects of the present invention include:

[0029] 1. The whole process of manufacturing and installing the reinforcement and repair parts for typical damage morphology of frame / beam and other structures shall not exceed 72 hours, and the manufacturing time of typical reinforcement and repair parts shall not exceed 60 hours;

[0030] 2. The size of the equipment shelter shall not exceed 6100mm×2500mm×2600mm; the overall height including the mobile platform shall not exceed 4000mm; the equipment material addition and subtraction stroke shall be ≥1200mm×1000mm×800mm, and the subtractive processing positioning accuracy shall be ≯±0.1mm / s; the equipment rated power shall be ≯110kw; the debugging time for the equipment to reach the working state after transfer shall be ≯1h;

[0031] 3. The additive manufacturing forming efficiency is not less than 5kg / h, the additive and subtractive manufacturing accuracy is better than 1mm / m, and the ultrasonic flaw detection defect of the product is not greater than the flat-bottom equivalent hole with a diameter of 0.8mm;

[0032] 4. The mechanical properties of titanium alloy, aluminum alloy, high-strength steel and other components manufactured in complex environments are equivalent to those of additively manufactured components in a stable factory environment, and in typical complex and changeable environments, the strength of the repair material deviates from the data in the process parameter library by no more than 10%. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the accompanying drawings, the same reference numerals are used to refer to the same components. Among them:

[0034] Figure 1 A schematic diagram of an isometric structure of a cabin body according to an embodiment of the present invention is shown;

[0035] Figure 2 A schematic diagram of the internal structure of a cabin according to an embodiment of the present invention is shown;

[0036] Figure 3 Schematically shows a method according to an embodiment of the present invention. Figure 2 AA section view.

[0037] Numbers in the figure: 1. Cabin; 2. Gantry; 3. Welding machine; 4. Milling table; 5. Synchronous slide; 6. Turntable; 7. Tooling block; 8. Side slide; 9. Operating table; 10. Monitoring panel; 11. Cabinet; 12. Fixed frame; 13. Vertical liquid argon bottle; 14. Fan module; 15. Base; 16. Moving column; 17. Beam; 18. First linear drive module; 19. Second linear drive module; 20. Third linear drive module; 21. Fine-tuning slide; 22. Fine-tuning motor; 23. Connecting table; 24. Drive seat; 25. Tail stock; 26. Bridge plate; 27. Positioning table; 28. Wire feeder; 29. ​​Temperature and humidity control module. DETAILED DESCRIPTION

[0038] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0039] According to one embodiment of the present invention, Figure 1-Figure 3 Shown.

[0040] A mobile shelter for material repair, comprising:

[0041] The cabin can be connected to a mobile vehicle for transportation via an external vehicle-mounted platform;

[0042] Increase and decrease rapid prototyping modules, built into the cabin, include a gantry, a welding machine, and a milling table adjusted by the three axes of the gantry, the three-axis adjustment direction of the gantry corresponds to the length, width and height of the cabin, the cabin is also fixed with a synchronous slide rail at the bottom corresponding to the milling table, the track direction of the synchronous slide rail corresponds to the length direction of the cabin, and a plurality of turntables are slidably connected thereon, each of the turntables clamps a tooling block to fix the external material to be repaired, the rotation direction of the turntable is the same as the track direction of the synchronous slide rail, the welding machine is fixed to the outside of the end of the synchronous slide rail and is arranged opposite to the gantry, and the bottom thereof is correspondingly slidably connected with a side slide rail, and the track direction of the side slide rail is the same as the width direction of the cabin;

[0043] An operating module, comprising an operating table and a monitoring panel, wherein the operating table is electrically connected to each structural component in the increase / decrease rapid prototyping module and is displayed through the monitoring panel;

[0044] Auxiliary tool modules include various cabinet structures bolted into the cabin to store various maintenance and processing tools.

[0045] For the cabin, its internal dimensions are length × width × height = 5898mm × 2352mm × 2390mm, and its external dimensions are length × width × height = 6060mm × 2440mm × 2590mm. An observation window (not shown in the figure) can be designed at the front of the cabin at the same time. The specific dimensions can be referred to as length × height = 400mm × 400mm; the distance from the bottom of the container is 650mm. The finished cabin of the above structure weighs 2.7 tons and can carry more than 30 tons, which meets the actual needs.

[0046] The overall dimensions of the cabinet in the auxiliary tool module are designed to be: 1100mm×700mm×2400mm. The tools in the cabinet include (1) detection tools: portable ultrasonic detector, 3D laser scanner, thermometer, thickness gauge, stress tester, roughness measuring instrument, etc.; (2) post-processing instruments: inductor coil, ceramic electric heating blanket, etc.; (3) various spare equipment tools: steel ruler, caliper, file, angle grinder, hand drill, grinding disc, alcohol, etc. The net weight of the cabinet is about 500kg, the single-layer load is ≯400kg, and the maximum load is ≯2000kg.

[0047] Furthermore, a detachable fixing frame is fixed on the outside of the cabin, and multiple vertical liquid argon bottles are fixed by iron chains in the fixing frame. A fan module is also fixed on the top of the cabin and connected to the vertical liquid argon bottle. For the vertical liquid argon bottle, its dimensions are: diameter × height = Ф516mm × 1632mm, wall thickness: 5mm for the inner liner; 2.5mm for the outer shell, working pressure: 2.88MPa, and safety valve set pressure: 3.45MPa.

[0048] Furthermore, the gantry platform includes a base, a moving column and a cross beam. The base is welded and fixed to the inner bottom of the cabin, and a first linear drive module is provided on the top thereof. The moving columns include two and are symmetrically arranged on both sides of the base. Each of the moving columns is slidably connected to the base through the first linear drive module. Each of the moving columns is fixed with a second linear drive module along its height direction. Both ends of the cross beam are respectively connected to the two moving columns and slide up and down through the second linear drive module. A third linear drive module is fixed on the cross beam to be slidably connected to the milling table.

[0049] Furthermore, the third linear drive module is slidably connected with a fine-tuning slide rail, the track direction of the fine-tuning slide rail is the same as the height direction of the moving column, and a connecting table that slides up and down is driven by a fine-tuning motor servo, and the milling table is inverted and fixedly connected to the connecting table. As for the specific structural dimensions of the dragon table, in this embodiment, the corresponding base size is 3200mm×2000mm×200mm, the moving column is 500mm×280mm×1700mm, and the crossbeam is 2100mm×150mm×500mm.

[0050] For the milling machine motor (high speed, low cutting) in the milling table, the equipment voltage is: 380V / 50Hz; power: 7.5KW; spindle stroke: 250mm; weight: 600Kg; speed: 0-6000 rpm; cutting amount: aluminum 2-3mm; steel 0.5mm; titanium 0.3mm; working stroke: 1200×1000×800mm; tool magazine: a tool magazine with 3 tools; repeated positioning accuracy: ≤0.01mm; machining efficiency: titanium: 2kg / h; steel: 5kg / h; aluminum: 7.5kg / h. Synchronous This milling table can be used with an external spiral chip conveyor for chip removal.

[0051] Furthermore, the turntable includes a driving seat, a tailstock and a bridge plate. The driving seat is arranged opposite to the tailstock, and both ends of the bridge plate are locked by oil pressure of the positioning platform. The size of the bridge plate is 800mm×500mm×50mm.

[0052] Furthermore, the welding machine model is CMT4000, the welding current range is 3-400A, the working temperature is -10℃-40℃, and the bottom is also equipped with a wire feeder. The welding wire diameter of the wire feeder is 0.8-1.6mm, and the wire feeding speed is 0.5-22m / min.

[0053] Furthermore, a temperature and humidity control module is integrated in the top of the cabin to adjust the temperature and humidity in the cabin. The four corners of the bottom of the cabin can be fixed to the ground through external telescopic legs. The cabin is movably sealed at the front door corresponding to the rapid prototyping module and a foldable escalator is provided at the corresponding position.

[0054] Combined with the above cabin structure, the specific steps for repairing materials are as follows:

[0055] Step 1: Equipment moves and assembles to the destination;

[0056] Step 2: Leveling and fixing the equipment platform (5 minutes);

[0057] Step 3: Open the cabin door, fix the working ladder and observation ladder; power on the equipment, start the ventilation and temperature control equipment (5 minutes), and adjust the cabin environment;

[0058] Step 4: Substrate surface treatment, installation and fixing of substrate, preparation of wire, path planning, process call; (30 min) (if titanium alloy, prefabricate protective cover, inflate and complete gas washing, 10 min);

[0059] Step 5: CMT arc additive manufacturing (depending on the specific parts);

[0060] Step 6: In-situ heat treatment (stress relief heat treatment, aging heat treatment, ordinary annealing) (5-8h);

[0061] Step 7: Move the turntable to increase or decrease the process changes (2min);

[0062] Step 8: Call the subtractive process parameters and perform subtractive processing, including contour processing and segmentation processing (depending on the specific parts).

[0063] Step 9: Check the size, defects, surface quality, etc. of the parts, perform partial repairs, and complete the manufacturing of typical parts;

[0064] Step 10: Return the equipment to its original position, clean the cabin, power off and secure the equipment, close the cabin door, fold up the outriggers, and move quickly (30 minutes).

[0065] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A mobile shelter for material repair, characterized in that: include: The cabin can be connected to a mobile vehicle for transportation via an external vehicle-mounted platform; Increase and decrease rapid prototyping modules, built into the cabin, include a gantry, a welding machine, and a milling table adjusted by the three axes of the gantry, the three-axis adjustment direction of the gantry corresponds to the length, width and height of the cabin, the cabin is also fixed with a synchronous slide rail at the bottom corresponding to the milling table, the track direction of the synchronous slide rail corresponds to the length direction of the cabin, and a plurality of turntables are slidably connected thereon, each of the turntables clamps a tooling block to fix the external material to be repaired, the rotation direction of the turntable is the same as the track direction of the synchronous slide rail, the welding machine is fixed to the outside of the end of the synchronous slide rail and is arranged opposite to the gantry, and the bottom thereof is correspondingly slidably connected with a side slide rail, and the track direction of the side slide rail is the same as the width direction of the cabin; An operating module, comprising an operating table and a monitoring panel, wherein the operating table is electrically connected to each structural component in the increase / decrease rapid prototyping module and is displayed through the monitoring panel; Auxiliary tool modules include various cabinet structures bolted into the cabin to store various maintenance and processing tools.

2. The mobile shelter for material repair according to claim 1, characterized in that: A detachable fixing frame is also fixed on the outside of the cabin, and a plurality of vertical liquid argon bottles are fixed with iron chains inside the fixing frame. A fan module is also fixed on the top of the cabin and is connected with the vertical liquid argon bottles.

3. The mobile shelter for material repair according to claim 1, characterized in that: The gantry platform includes a base, a moving column and a crossbeam. The base is welded and fixed to the inner bottom of the cabin, and a first linear drive module is provided on the top thereof. The moving columns include two and are symmetrically arranged on both sides of the base. Each of the moving columns is slidably connected to the base through the first linear drive module. Each of the moving columns is fixed with a second linear drive module along its height direction. Both ends of the crossbeam are respectively connected to the two moving columns and slide up and down through the second linear drive module. A third linear drive module is fixed on the crossbeam to be slidably connected to the milling table.

4. The mobile shelter for material repair according to claim 3 is characterized in that: The third linear drive module is slidably connected with a fine-tuning slide rail, the track direction of the fine-tuning slide rail is the same as the height direction of the moving column, and a connecting platform that slides up and down is servo-driven by a fine-tuning motor therein, and the milling table is inverted and fixedly connected to the connecting platform.

5. The mobile shelter for material repair according to claim 1, characterized in that: The turntable includes a driving seat, a tailstock and a bridge plate. The driving seat is arranged opposite to the tailstock, and the two ends of the bridge plate are locked by oil pressure of the positioning platform. The size of the bridge plate is 800mm×500mm×50mm.

6. The mobile shelter for material repair according to claim 1, characterized in that: The welding machine model is CMT4000, the welding current range is 3-400A, the working temperature is -10℃-40℃, and the bottom is also equipped with a wire feeder. The welding wire diameter of the wire feeder is 0.8-1.6mm, and the wire feeding speed is 0.5-22m / min.

7. The mobile shelter for material repair according to claim 1, characterized in that: A temperature and humidity control module is also integrated on the top of the cabin to adjust the temperature and humidity inside the cabin.

8. The mobile shelter for material repair according to claim 1, characterized in that: The four corners of the bottom of the cabin can be fixed to the ground through external telescopic legs. The cabin is movably sealed at the front door corresponding to the increase or decrease of the rapid prototyping module and a foldable escalator is arranged at the corresponding position.

9. A method for using a mobile shelter for material repair as described in any one of claims 1 to 8, characterized in that: The steps include: Step 1: The cabin is assembled by the external vehicle-mounted platform and the mobile vehicle to reach the destination; Step 2: The equipment platform is leveled and fixed to the ground through telescopic legs; Step 3: Open the cabin door, fix the corresponding working escalator, and observe the escalator; power on the equipment, start the fan module and the temperature and humidity control module, and adjust the cabin environment; Step 4: After the substrate surface is treated, the substrate is fixed on the turntable, the wire is prepared in the auxiliary tool module, and the path planning and process call are performed synchronously through the operation module; Step 5: CMT welding machine performs arc additive manufacturing; Step 6: In-situ heat treatment; Step 7: Move the turntable to increase or decrease process changes; Step 8: Call the subtractive process parameters through the operation module, and perform subtractive processing, including contour processing and segmentation processing; Step 9: Check the size, defects, surface quality, etc. of the parts, perform partial repairs, and complete the manufacturing of typical parts; Step 10: Return the equipment to its original position, clean the cabin, power off and secure the equipment, close the cabin door, retract the telescopic legs, and move to the next destination.

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