Auxiliary inspection tool and method for hot work correction

Abstract

The invention discloses an auxiliary inspection tool and method for hot work correction, and the tool comprises a laser emission mechanism which at least comprises a linear laser source. The power supply assembly comprises a power supply and a control switch, is in wired connection with the laser emission mechanism, controls the laser emission mechanism to start and stop and provides electric energy for the laser emission mechanism. The device shell is of a hollow shell structure, the laser emitting mechanism and the power supply assembly are arranged in the device shell, and the laser source and the control switch extend out of the surface of the device shell. And the fixing assembly is arranged on the surface of the device shell, detachably connected with the to-be-detected area and used for fixing the whole auxiliary inspection tool for hot work correction to the to-be-detected area. According to the working process of hot work correction, a powder line straightening inspection mode is adopted, straight laser is used for replacing powder line straightening for inspection, the method is suitable for various working environments and base materials, and the manual labor intensity and the construction difficulty are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of ships, and in particular relates to an auxiliary inspection tool and method for pyrotechnic correction. Background Art

[0002] There are many processes in shipbuilding, and they are closely connected. Due to the characteristics of construction, they will also affect each other. In particular, after the previous process is completed, it is the basis for the construction of the next process. When the basic conditions are not ideal or do not meet the standards, it is not conducive to meeting the process quality goals of this process, and it will increase the difficulty of construction.

[0003] The welding process of assembling hull structural components is characterized by the high heat output during the welding process, which causes the parent material to deform. Welding deformation is irreversible. Although there are anti-deformation measures before welding, they cannot completely offset the deformation caused by the high heat of welding, and can only control a certain amount of deformation. Therefore, the measure to deal with the deformation caused by welding is correction. The correction methods are divided into mechanical correction and pyrotechnic correction. Due to the limitations of construction conditions and comprehensive consideration of factors such as work efficiency, most people choose pyrotechnic correction. By precisely heating the parent material locally and then adding water to rapidly cool it down, the principle of thermal expansion and contraction is used to greatly restore the parent material to its pre-deformation state, meeting the construction basis of the next process.

[0004] There are two ways to inspect the construction conditions of pyrotechnic correction in the current component stage. One is visual aiming, which is suitable for small straight components and is based on naked eye aiming and observation. The other is to use auxiliary judgment, which is suitable for larger and more multi-shaped components. The main method is to use powder wire to straighten and judge the restoration degree of the parent material. The common point of both is that they are inspection methods based on observation, but the disadvantages of the latter are:

[0005] 1. Large workpieces require two people to work together.

[0006] 2. The longer the powder line is, the more deviation there will be in straightness.

[0007] 3. Explosive correction at the production site uses water cooling, and the powder line will be wetted, affecting its straightness.

[0008] 4. The tighter the powder line is, the easier it is to break.

[0009] 5. The base material has hyperbolic deformation and the powder line straightening method is not conducive to observation.

[0010] The conventional operation of pyrotechnic correction in the current component assembly stage is to use an ink fountain to draw a straight line for workpieces that are prone to welding deformation before welding, based on the characteristics of the parent material welding deformation. This is used as an auxiliary line for pyrotechnic correction. After the welding work is completed, the parent material is deformed, and the auxiliary straight line for pyrotechnic correction is bent at the same time. Then, the powder line is drawn as a reference. By locally heating and cooling the parent material, the straightness of the auxiliary line for pyrotechnic correction is restored to achieve the purpose of correcting the deformation of the parent material. The workflow is as follows: Figure 1 . Summary of the invention

[0011] In order to solve the above technical problems, the present invention provides an auxiliary inspection tool and method for pyrotechnic correction. According to the working process of pyrotechnic correction, the inspection method of powder wire straightening is used, and a straight laser is used to replace the powder wire straightening for inspection. It is suitable for a variety of working environments and parent materials, and reduces manual labor intensity and construction difficulty.

[0012] The object of the present invention is achieved through the following technical solutions: an auxiliary inspection tool for pyrotechnic correction, comprising:

[0013] The laser emitting mechanism comprises at least one linear laser source.

[0014] The power supply component, including a power supply and a control switch, is connected to the laser emitting mechanism by wire, controls the opening and closing of the laser emitting mechanism and provides electrical energy for it.

[0015] The device shell is a hollow shell structure, and the laser emitting mechanism and the power supply component are arranged inside the device shell, wherein the laser source and the control switch extend out of the surface of the device shell.

[0016] The fixing component is arranged on the surface of the device shell, and the fixing component is detachably connected to the area to be inspected, and is used to fix the auxiliary inspection tooling of the pyrotechnic correction as a whole to the area to be inspected.

[0017] Preferably, the laser emitting mechanism comprises at least an infrared laser head and a base, which is fixed to the device housing via the base.

[0018] Preferably, the power supply of the power supply assembly is connected to the control switch and the laser emitting mechanism through a battery, a battery compartment and a connecting wire.

[0019] Preferably, a laser source opening, a power switch opening and a fixing component connection structure are provided on the device housing.

[0020] Preferably, the device housing is made of sliced ​​aluminum material.

[0021] Preferably, the fixing component at least includes a magnet with a switch opening and closing function.

[0022] In addition to providing an auxiliary inspection tool for pyrotechnic correction, the present invention further provides a method for using the auxiliary inspection tool for pyrotechnic correction to assist pyrotechnic correction, comprising the following steps:

[0023] Step 1: Turn on the control switch to control the laser emitting mechanism to emit a laser beam and project it onto the material;

[0024] Step 2: Adjust the middle point of the laser beam projection to be parallel and overlap with the middle area of ​​the inspection line, observe the two ends of the inspection line, make the distance between the laser projection line of the two ends and the inspection line close, and then fix the pyrotechnic correction auxiliary inspection tooling through the fixing assembly;

[0025] Step 3: Correct the workpiece from the center to the outside using conventional pyrotechnic correction methods according to the amount of deformation, and observe the changes of the inspection lines and laser beams at both ends during the process;

[0026] Step 4: Until the projection line overlaps with the inspection line, the correction work is completed, and the fixed components are removed to take out the auxiliary inspection tooling.

[0027] Compared with the prior art, the present invention has the following advantages:

[0028] The present invention provides an auxiliary inspection tool and method for pyrotechnic correction, which uses laser instead of traditional methods to reduce the labor intensity and construction difficulty of workers, and is applicable to a variety of working environments and parent materials. The auxiliary inspection tool for pyrotechnic correction provided by the present invention has low production cost, is easy to use, and can be recycled, which can effectively reduce labor costs. The auxiliary inspection tool for pyrotechnic correction provided by the present invention has a removable battery and is charged using an external charger. It is small in size, easy to carry and store, can be used repeatedly, and is not easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Provide an auxiliary inspection flow chart for existing pyrotechnic correction;

[0030] Figure 2 This is a schematic diagram of the structure of the laser emission mechanism in an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the battery compartment structure in an embodiment of the present invention;

[0032] Figure 4 It is a schematic diagram of the split parts of the device housing in an embodiment of the present invention;

[0033] Figure 5 This is a schematic diagram of the assembly of the device housing in an embodiment of the present invention;

[0034] Figure 6 It is a schematic diagram of the structure of the auxiliary inspection tool for pyrotechnic correction in an embodiment of the present invention;

[0035] Figure 7A schematic diagram of the connection between a power source and a laser source in an embodiment of the present invention;

[0036] Figure 8 The present invention is a flowchart of performing pyrotechnic correction auxiliary inspection using the pyrotechnic correction auxiliary inspection tool in the embodiment of the present invention.

[0037] In the figure, 1 is an infrared laser head; 2 is a base; 3 is a battery; 4 is a control switch; 5 is a magnet; 6 is a first part board; 7 is a second part board; 8 is a third part board; 9 is a fourth part board; 10 is a fifth part board; 11 is a sixth part board; and 12 is a seventh part board. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] The technical solution of the present invention provides an auxiliary inspection tool for pyrotechnic correction, comprising:

[0040] The laser emitting mechanism comprises at least one linear laser source;

[0041] The power supply component, including a power supply and a control switch 4, is wiredly connected to the laser emitting mechanism to control the opening and closing of the laser emitting mechanism and provide electrical energy for it;

[0042] The device housing is a hollow shell structure, and the laser emitting mechanism and the power supply assembly are arranged inside the device housing, wherein the laser source and the control switch extend out of the surface of the device housing;

[0043] The fixing component is arranged on the surface of the device shell, and the fixing component is detachably connected to the area to be inspected, and is used to fix the auxiliary inspection tooling of the pyrotechnic correction as a whole to the area to be inspected.

[0044] like Figure 2 As shown, in one embodiment of the present invention, the laser emitting mechanism at least includes an infrared laser head 1 and a base 2, which is fixed to the device housing through the base 2.

[0045] like Figure 3 As shown, in one embodiment of the present invention, the power supply of the power supply assembly is connected to the control switch 4 and the laser emission mechanism through the battery 3, the battery compartment and the connecting wire.

[0046] In one embodiment of the present invention, a laser source opening, a power switch opening and a fixing component connection structure are provided on the device housing.

[0047] like Figure 4As shown, in one embodiment of the present invention, the device housing is made of split aluminum material. In this embodiment, the split parts include a first part plate 6, a second part plate 7, a third part plate 8, a fourth part plate 9, a fifth part plate 10, a sixth part plate 11 and a seventh part plate 12. The overall device housing is an inverted "L" shape. The assembled structure is shown in FIG. Figure 5 As shown. Figure 5 The device housing shown in the figure, the auxiliary calibration tooling manufactured is as follows Figure 6 to Figure 7 shown.

[0048] In one embodiment of the present invention, the fixing assembly at least includes a magnet 5 with a switch opening and closing function.

[0049] In addition to providing an auxiliary inspection tool for pyrotechnic correction, the technical solution of the present invention further provides a method for assisting pyrotechnic correction using the auxiliary inspection tool for pyrotechnic correction, comprising the following steps:

[0050] Step 1: Turn on the control switch to control the laser emitting mechanism to emit a laser beam and project it onto the material;

[0051] Step 2: Adjust the middle point of the laser beam projection to be parallel and overlap with the middle area of ​​the inspection line, observe the two ends of the inspection line, make the distance between the laser projection line of the two ends and the inspection line close, and then fix the pyrotechnic correction auxiliary inspection tooling through the fixing assembly;

[0052] Step 3: Correct the workpiece from the center to the outside using conventional pyrotechnic correction methods according to the amount of deformation, and observe the changes of the inspection lines and laser beams at both ends during the process;

[0053] Step 4: Until the projection line overlaps with the inspection line, the correction work is completed, and the fixed components are removed to take out the auxiliary inspection tooling.

[0054] In one embodiment of the present invention, the Figure 6 The method of performing auxiliary inspection for pyrotechnic correction using the auxiliary inspection tool shown is as follows:

[0055] First, all aluminum parts are welded together into Figure 5 The device housing shown in the figure is Figure 6 The aluminum material assembly is tightened with screws and magnets with control switches 5. The 18650 battery, battery compartment, power switch 4, and a line of infrared laser heads are placed in the same way. Figure 7 Form installation and connection.

[0056] like Figure 8 As shown, turn on the laser beam power supply and project the laser beam onto the correction material.

[0057] Adjust the middle point of the laser beam projection to be parallel and overlap with the middle area of ​​the inspection line, observe the two ends of the inspection line, make the distance between the laser projection line at both ends and the inspection line close, turn on the magnet switch, and stabilize the pyrotechnic correction auxiliary inspection tooling.

[0058] The workpiece to be corrected is corrected from the center to the outside, and conventional pyrotechnics is used for correction according to the amount of deformation. During the process, the changes of the inspection lines and laser beams at both ends are observed.

[0059] Until the projection line overlaps with the inspection line, the correction work is completed.

[0060] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. An auxiliary inspection tool for pyrotechnic correction, characterized in that: The auxiliary inspection tooling comprises: The laser emitting mechanism comprises at least one linear laser source; A power supply component, including a power supply and a control switch (4), is wiredly connected to the laser emitting mechanism to control the opening and closing of the laser emitting mechanism and provide electrical energy to it; The device housing is a hollow shell structure, and the laser emitting mechanism and the power supply assembly are arranged inside the device housing, wherein the laser source and the control switch extend out of the surface of the device housing; The fixing component is arranged on the surface of the device shell, and the fixing component is detachably connected to the area to be inspected, and is used to fix the auxiliary inspection tooling of the pyrotechnic correction as a whole to the area to be inspected.

2. The auxiliary inspection tool for pyrotechnic correction according to claim 1, characterized in that: The laser emitting mechanism comprises at least an infrared laser head (1) and a base (2), and is fixed on the device housing via the base (2).

3. The auxiliary inspection tool for pyrotechnic correction according to claim 2, characterized in that: The power source of the power supply assembly is connected to the control switch (4) and the laser emission mechanism via a battery (3), a battery compartment and a connecting line.

4. The auxiliary inspection tool for pyrotechnic correction according to claim 3, characterized in that: The device housing is provided with a laser source opening, a power switch opening and a fixing component connection structure.

5. The auxiliary inspection tool for pyrotechnic correction according to claim 4, characterized in that: The device shell is made of sliced ​​aluminum material.

6. The auxiliary inspection tool for pyrotechnic correction according to claim 5, characterized in that: The fixing component at least comprises a magnet (5) with a switch opening and closing function.

7. In addition to providing a method for assisting inspection of pyrotechnic correction, the present invention is characterized by: Using the pyrotechnic correction auxiliary inspection tool as described in any one of claims 1 to 6 to assist pyrotechnic correction, the method comprises the following steps: Step 1: Turn on the control switch to control the laser emitting mechanism to emit a laser beam and project it onto the material; Step 2: Adjust the middle point of the laser beam projection to be parallel and overlap with the middle area of ​​the inspection line, observe the two ends of the inspection line, make the distance between the laser projection line of the two ends and the inspection line close, and then fix the pyrotechnic correction auxiliary inspection tooling through the fixing assembly; Step 3: Correct the workpiece from the center to the outside using conventional pyrotechnic correction methods according to the amount of deformation, and observe the changes of the inspection lines and laser beams at both ends during the process; Step 4: Until the projection line overlaps with the inspection line, the correction work is completed, and the fixed components are removed to take out the auxiliary inspection tooling.

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