WO2018196249A1 - 一种t型钢材加工装置及t型钢材矫正方法 - Google Patents
一种t型钢材加工装置及t型钢材矫正方法 Download PDFInfo
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- WO2018196249A1 WO2018196249A1 PCT/CN2017/100615 CN2017100615W WO2018196249A1 WO 2018196249 A1 WO2018196249 A1 WO 2018196249A1 CN 2017100615 W CN2017100615 W CN 2017100615W WO 2018196249 A1 WO2018196249 A1 WO 2018196249A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
Definitions
- the invention relates to the technical field of welding, in particular to a T-shaped steel processing device and a T-shaped steel correction method.
- the T-shaped steel structure has been widely used in the construction of hydropower stations, plant construction and other fields.
- the T-shaped steel is deformed during the welding process due to excessive local heating at the weld. If the problem is not corrected, the welding deformation will not only affect the installation of the overall structure, but also reduce the safety and reliability of the project.
- the existing T-shaped steel welding deformation correction work is to perform thermal correction after the completion of the processing line operation, that is, the T-shaped steel is subjected to thermal deformation treatment, but such correction has the following disadvantages: First, after the completion of the flow line The correction process is increased. At the same time, the T-shaped steel conveying process is additionally required, which prolongs the production time of the T-shaped steel, thereby reducing the production efficiency of the T-shaped steel. Secondly, the T-shaped steel is warped and deformed in the production and processing line. Afterwards, it is not conducive to its further processing and production on the assembly line.
- An object of the present invention is to provide a T-shaped steel processing apparatus for solving the problem of low production efficiency of a T-shaped steel material.
- Another object of the present invention is to provide a T-shaped steel correction method for solving the problem of low production efficiency of a T-shaped steel material.
- a T-shaped steel processing device comprising:
- Transmission device for the transmission of T-shaped steel on the assembly line
- the welding device is symmetrically disposed on both sides of the transmission device;
- the correcting device includes a lifting device, A flame heating gun is disposed on the lifting device.
- the distance between the welding device and the correcting device on each side is 3400 mm to 3700 mm.
- a T-shaped steel correction method for flame-correcting a T-shaped steel in a pipeline welding operation of a T-shaped steel comprising the following steps:
- the method further includes:
- the position and the number of the flame-heating guns that need to work are determined, including:
- one flame heating gun is arranged on both sides of the conveying device, and the two flame heating guns are symmetrically arranged with respect to the conveying device;
- two flame-heating guns are arranged on both sides of the conveying device, and two flame guns on one side and two flame guns on the other side are symmetrically arranged with respect to the conveying device.
- the height of the flame heating gun is adjusted according to the height of the T-shaped steel, including:
- the center line of the flame heat gun is adjusted to be below the top of the web of the T-shaped steel, specifically: the center line of the flame heat gun is at the top of the web of the T-shaped sheet.
- the distance is from 10mm to 20mm.
- the method further includes:
- the flame temperature T on the flame heating gun is monitored in real time by a temperature measuring instrument, and the flame temperature T is controlled at 650 ° C to 800 ° C.
- the temperature measuring instrument is an infrared temperature measuring instrument.
- the flame is a neutral oxyacetylene flame.
- the height of the flame heating gun is adjusted according to the height of the T-shaped steel material, and then the T-shaped steel material is welded.
- the initial end of the welded seam of the T-shaped steel material faces the correcting device, the flame that needs to work is opened.
- the heat gun is turned off when the end of the weld of the T-shaped steel is facing the orthodontic device. Therefore, after the welding process, and the T-shaped steel is still in the entire flowing water production line, the T-shaped steel material is subjected to corresponding correction treatment, so that after the welding process, the deformation of the T-shaped steel material has not been completely finalized.
- the T-shaped steel is corrected, which can effectively shorten the correction time and improve the production efficiency of the T-shaped steel.
- the T-shaped steel has been corrected in the production process of the assembly line, thus ensuring the T-shaped steel in the subsequent process. Normal operation, avoiding the entire pipeline stagnation, and does not require additional corrective work areas for correction Process to improve the space utilization of the processing plant.
- the T-shaped steel processing device of the present invention enables the T-shaped steel material to immediately perform the correcting process after welding, effectively shortens the correction time, improves the production efficiency of the T-shaped steel material, avoids the occurrence of the entire assembly line stagnation phenomenon, and improves the processing plant. Space utilization.
- FIG. 3 is a plan view of a T-shaped steel processing apparatus provided by the present invention.
- an embodiment of the present invention provides a T-shaped steel correction method for performing flame correction on a T-shaped steel in a pipeline welding operation of a T-shaped steel, including:
- the flame is adjusted according to the height of the T-shaped steel due to the different web heights of the different types of T-shaped steel.
- the height of the heat gun heats the top of the web, enabling the top and bottom of the web.
- the part is evenly heated, which can effectively reduce the deformation of the web, thereby correcting the T-shaped steel, effectively shortening the correction time, improving the production efficiency of the T-shaped steel, avoiding the stagnation of the assembly line, and improving the space utilization rate of the processing plant. .
- the center line of the flame heating gun is adjusted to be below the top of the web of the T-shaped steel, and the flame is heated to scatter the center line of the flame heating gun to the web of the T-shaped steel.
- the outermost edge of the scattered flame that can be ejected by the flame heating gun is below the top of the web, and the flame ejected by the flame heating gun can be fully utilized to improve the utilization of the flame and save energy.
- the welding of the T-shaped steel can ensure the correcting process after the welding process. At this time, the deformation of the T-shaped steel caused by the welding has not been completely cooled and fixed, so that the correction time can be effectively shortened, and the space utilization rate of the processing plant can be saved.
- the flame-heating gun that needs to work is opened; since the web and the wing are not welded at the initial contact position, there is no weld at the beginning. At this time, the flame heat gun cannot be turned on, otherwise the upper portion of the web is heated and the lower portion is not heated, resulting in deformation of the T-shaped steel.
- the flame-heating gun that needs to be operated can be opened, so that the upper and lower sides of the web can be heated, thereby realizing the correction of the T-shaped steel.
- the fired heat gun that has been opened is closed. Since the tail portion of the web is not in contact with the wing, there is no weld seam, so it is necessary to stop the flame heat gun at the end of the weld. Realize the correction of T-shaped steel.
- an embodiment of the present invention provides a more specific T-shaped steel correction method for performing flame correction on a T-shaped steel in a pipeline welding operation of a T-shaped steel, including:
- the distance between the center line of the flame heat gun and the top of the web of the T-shaped plate is 10 mm to 20 mm. This distance is selected to ensure that the edge of the flame-fired flame-spraying flame is located just at the top of the web.
- the edge is also related to the distance from the full side of the flame heat gun to the side thereof, which can maximize the use of the flame sprayed by the flame heat gun to save energy.
- T-type steel is welded.
- the welding method of T-shaped steel is double-sided welding, different number of welding lines can be selected for welding. In order to make the web uniform in the welding and correction process, the effect of correcting T-shaped steel is achieved. According to the different welding methods of T-shaped steel, it is necessary to determine the flame heating gun that needs to work, including the position and quantity of the flame heating gun. When welding is performed by double-sided monofilament welding, one flame heating gun is arranged on both sides of the transmission device.
- the two flame heating guns are symmetrically arranged with respect to the transmission device, and the single-wire welding is used, and the number of welding flame flows is small, so Match the welding flame flow, and select the corresponding number of flame flow when correcting, so as to ensure the heat balance of the web and achieve better T-plate correction effect;
- the T-shaped steel is welded by the welding device.
- the flame heating gun that needs to work is opened, and the weld of the T-shaped steel is terminated.
- the correcting device is facing, close the already opened flame heat gun.
- Real-time monitoring of the flame temperature T on the flame heating gun by a temperature measuring instrument controlling the flame temperature T at 650 ° C ⁇ 800 ° C, after a large number of experiments, 650 ° C ⁇ 800 ° C can ensure the best correction effect of T-shaped steel, in addition, if It is detected that the flame temperature T on the flame heating gun does not reach this temperature range, and it is necessary to increase the displacement of the flame heating gun. If it is exceeded, it is necessary to reduce the displacement or temporarily close the flame heating gun for temporary cooling treatment.
- the temperature measuring instrument is an infrared temperature measuring instrument, and the infrared temperature measuring has a fast response time and a non-contact quality. Point, suitable for detecting the temperature of the flame.
- the flame is a neutral oxyacetylene flame.
- the ratio of oxygen to acetylene is from 1 to 1.2, the flame produced is called a neutral flame and is suitable for deformation correction of the alloy.
- an embodiment of the present invention provides a T-shaped steel processing apparatus, including: a welding device 12, an orthodontic device 13, and a transmission device 11 for transporting a T-shaped steel material on a pipeline.
- the welding device 12 is symmetrically disposed on both sides of the conveying device 11;
- the correcting device 13 is symmetrically disposed on both sides of the conveying device 11, and the welding device 12 and the correcting device 13 on each side are sequentially arranged along the flow direction of the pipeline;
- the correcting device 13 includes
- the lifting device is provided with a flame heating gun 131, a flame heating gun 132, a flame heating gun 133 and a flame heating gun 134.
- the A direction is the conveying direction of the T-shaped steel.
- the distance between the welding device 12 and the orthodontic device 13 on each side is 3400 mm to 3700 mm. This distance not only ensures the normal operation and movement of the operator in this interval, but also satisfies the deformation caused by the welding and has not completely cooled and shaped. In the correction process, the correction time is effectively shortened, and the production efficiency of the T-shaped steel material is improved.
- the T-shaped steel can be immediately corrected after welding, effectively shortening the correction time, improving the production efficiency of the T-shaped steel; avoiding the occurrence of the entire assembly line stagnation; and improving the space utilization rate of the processing plant.
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Abstract
一种T型钢材加工装置及T型钢材矫正方法。该T型钢材加工装置包括传输装置（11）、焊接装置（12）和矫正装置（13），焊接装置和矫正装置均对称设置于传输装置的两侧，每一侧的焊接装置和矫正装置沿流水线的流动方向依次排布；所述矫正装置包括升降装置，升降装置设置有火焰加热枪（131，132，133，134）。该T型钢材矫正方法包括步骤：根据T型钢材的高度，调节火焰加热枪的高度；对T型钢材进行焊接；当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪；当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪。该T型钢材加工装置及矫正方法能够有效缩短矫正时间，提高T型钢材的生产效率，避免流水线出现停滞现象，提高加工厂房的利用率。
Description
本发明涉及焊接技术领域，尤其涉及一种T型钢材加工装置及T型钢材矫正方法。
目前，T型钢材结构已在水电站建设、厂房建筑等领域中得到广泛的应用，但T型钢材在生产制作的过程中，由于焊缝处局部受热过大，会导致焊接过程中T型钢材变形问题的产生，如果焊接变形不予以矫正，不仅影响整体结构的安装，还会降低工程的安全可靠性。
现有的T型钢材焊接变形矫正工作是在加工流水线作业完成后，采取火工矫正，即对T型钢材进行热变形处理，但是这样的矫正方式存在以下缺点：首先，在流水作业线完成之后增加矫正工序，同时，还需要额外增加T型钢材传送工序，延长了T型钢材的生产时间，从而降低了T型钢材的生产效率；其次，T型钢材在生产加工的流水线上发生翘曲变形后，不利于其在流水线上的进一步加工生产，严重时，将会导致整个流水线的停滞，T型钢材的加工生产无法正常进行；再次，流水作业线完成之后进行矫正，需要增加额外的矫正工作区域，不利于加工厂房的空间利用率。
发明内容
本发明的目的是提出一种T型钢材加工装置，用来解决T型钢材的生产效率低的问题。
本发明的另一个目的是提出一种T型钢材矫正方法，用来解决T型钢材的生产效率低的问题。
为达此目的，本发明采用以下技术方案：
一种T型钢材加工装置，包括：
传输装置，用于T型钢材在流水线上的传输；
焊接装置，所述焊接装置对称设置于所述传输装置的两侧；
矫正装置，所述矫正装置对称设置于所述传输装置的两侧，每一侧的所述焊接装置和矫正装置沿所述流水线的流动方向依次排布；所述矫正装置包括升降装置，所述升降装置上设置有火焰加热枪。
作为一种T型钢材加工装置的优选方案，每一侧的所述焊接装置与矫正装置的间距为3400mm～3700mm。
一种T型钢材矫正方法，在T型钢材的流水线焊接作业中对T型钢材进行火焰矫正，包括如下步骤：
根据T型钢材的高度，调节火焰加热枪的高度；
对T型钢材进行焊接；
当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪；
当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪。
作为一种T型钢材矫正方法的优选方案，在调节火焰加热枪高度之后，还包括：
根据T型钢材的焊接方式，确定需要工作的火焰加热枪的位置和数量。
作为一种T型钢材矫正方法的优选方案，根据T型钢材的焊接方式，确定需要工作的火焰加热枪的位置和数量，包括：
当焊接采用双面单丝焊接时，选择位于传输装置两侧各一支火焰加热枪，两支火焰加热枪相对于传输装置对称设置；
当焊接采用双面双丝焊接时，选择位于传输装置两侧各两支火焰加热枪，一侧的两支火焰枪与另一侧的两只火焰枪相对于传输装置对称设置。
作为一种T型钢材矫正方法的优选方案，根据T型钢材的高度，调节火焰加热枪的高度，包括：
将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下。
作为一种T型钢材矫正方法的优选方案，将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下，具体为：火焰加热枪的中心线距T型板材的腹板的顶部的距离为10mm～20mm。
作为一种T型钢材矫正方法的优选方案，在打开需要工作的火焰加热枪之后，还包括：
通过温度测量仪实时监控火焰加热枪上的火焰温度T，控制火焰温度T在650℃～800℃。
作为一种T型钢材矫正方法的优选方案，所述温度测量仪为红外线温度测量仪。
作为一种T型钢材矫正方法的优选方案，述火焰为中性氧乙炔焰。
本发明的有益效果为：
本发明中T型钢材矫正方法，根据T型钢材的高度，调节火焰加热枪的高度，然后对T型钢材进行焊接，当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪，当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪。从而可以实现在焊接过程之后，且T型钢材还处在整个的流水生产线上时，对T型钢材进行相应的矫正处理，从而实现在焊接过程之后，T型钢材的变形还没有完全定型之前，便对T型钢材进行矫正处理，能够有效缩短矫正时间，提高T型钢材的生产效率；此外，T型钢材在流水线生产的过程中就已经进行了矫正处理，从而能够保证T型钢材在后续工序中的正常运行，避免整个流水线停滞现象的产生，并且，不需要额外的矫正工作区域进行矫正
工序，提高加工厂房的空间利用率。本发明中的T型钢材加工装置，能够使得T型钢材在焊接之后能够立即进行矫正工序，有效缩短矫正时间，提高T型钢材的生产效率；避免整个流水线停滞现象的产生；提高了加工厂房的空间利用率。
为了更清楚地说明本发明实施例中的技术方案，下面将对本发明实施例描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据本发明实施例的内容和这些附图获得其他的附图。
图1是本发明提供的一种T型钢材矫正方法的流程图；
图2是本发明提供的另一种T型钢材矫正方法的流程图；
图3是本发明提供的T型钢材加工装置俯视图。
图中标记如下：
11-传输装置；12-焊接装置；13-矫正装置；
131-火焰加热枪；132-火焰加热枪；133-火焰加热枪；134-火焰加热枪。
为了使本领域技术人员更好地理解本发明的技术方案，下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
如图1所示，本发明实施例提供了一种T型钢材矫正方法，在T型钢材的流水线焊接作业中对T型钢材进行火焰矫正，包括：
根据T型钢材的高度，调节火焰加热枪的高度；
由于T型钢材的加工是从腹板的底部和翼板的顶部的形成的直角区域进行加热双面焊接，由于不同型号的T型钢材的腹板高度不同，根据T型钢材的高度，调节火焰加热枪的高度对腹板的顶部进行加热，能够使得腹板的顶部和底
部受热均匀，从而可以有效减少腹板发生变形，从而起到矫正T型钢材的作用，能够有效缩短矫正时间，提高T型钢材的生产效率，避免流水线出现停滞现象，提高加工厂房的空间利用率。
具体地，将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下，由于火焰加热枪喷出的火焰呈散射状，将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下，能够使得火焰加热枪喷出的散射状的火焰的最外沿处在腹板的顶部之下，能够充分利用火焰加热枪喷射出的火焰，提高火焰的利用率，节约能源。
对T型钢材进行焊接，能够保证焊接工序之后就能进行矫正工序，此时焊接导致的T型钢材的变形还没有完全冷却固定，所以可以有效缩短矫正时间，节约加工厂房的空间利用率。当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪；由于腹板和翼板并不是在最开始接触位置就进行焊接的，所以在开始的一段并没有焊缝，此时不能够打开火焰加热枪，否则就会因为腹板的上部受热而下部没有受热，而导致T型钢材的变形。当T型钢材的焊缝初始端正对矫正装置时，就可以打开需要工作的火焰加热枪，这样腹板的上下都能被进行加热，从而实现对于T型钢材的矫正。当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪，由于腹板与翼板接触的尾部位置也没有焊缝，所以需要在焊缝终止端停止火焰加热枪工作，实现对T型钢材的矫正。
如图2所示，本发明实施例提供了一种更具体的T型钢材矫正方法，在T型钢材的流水线焊接作业中对T型钢材进行火焰矫正，包括：
将火焰加热枪的中心线距T型板材的腹板的顶部的距离为10mm～20mm，选择此距离用来保证火焰加热枪喷出散射装火焰的边缘正好位于腹板的顶部边
缘，这与火焰加热枪的全面距靠近其侧面的距离也相关，可以最大化的利用火焰加热枪喷射出的火焰，节约能源。
对T型钢材进行焊接，虽然T型钢材的焊接方式为双面焊接，但是可以选择不同数量焊线进行焊接，为了使腹板在焊接及矫正工序中上下受热均匀，达到矫正T型钢材的作用，需要根据T型钢材不同的焊接方式，确定需要工作的火焰加热枪，包括火焰加热枪的位置及数量。当焊接采用双面单丝焊接时，选择位于传输装置两侧各一支火焰加热枪，两支火焰加热枪相对于传输装置对称设置，采用单丝焊接，焊接的火焰流数量较少，所以为了匹配焊接的火焰流，矫正时也选择与其对应的火焰流数量，从而保证腹板的受热均衡，达到较好的T型板矫正效果；
当焊接采用双面双丝焊接时，选择位于传输装置两侧各两支火焰加热枪，一侧的两支火焰枪与另一侧的两只火焰枪相对于传输装置对称设置，原理同上，矫正时的火焰流数量与焊接时的火焰流数量相对应，从而实现较好的T型板矫正效果。
选择好具体使用的火焰加热枪后，通过焊接装置对T型钢材进行焊接，当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪，当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪。
通过温度测量仪实时监控火焰加热枪上的火焰温度T，控制火焰温度T在650℃～800℃，经过大量的实验，650℃～800℃能保证T型钢材的矫正效果最好，此外，如果检测到火焰加热枪上的火焰温度T没有到达这个温度范围，需要增大火焰加热枪的排量，如果超出，则需要减小排量或者暂时关闭火焰加热枪进行暂时冷却处理。
温度测量仪为红外线温度测量仪，红外测温有着响应时间快及非接触的优
点，适合检测火焰的温度。
火焰为中性氧乙炔焰，当氧气与乙炔的作用比为1～1.2时，所产生的火焰称为中性焰，适合对于合金的变形矫正。
如图3所示，本发明实施例提供了一种T型钢材加工装置，包括：焊接装置12、矫正装置13及用于T型钢材在流水线上传输的传输装置11。焊接装置12对称设置于传输装置11的两侧；矫正装置13对称设置于传输装置11的两侧，每一侧的焊接装置12和矫正装置13沿流水线的流动方向依次排布；矫正装置13包括升降装置，升降装置上设置有火焰加热枪131、火焰加热枪132、火焰加热枪133及火焰加热枪134。其中，A方向为T性钢材的传送方向。
每一侧的焊接装置12与矫正装置13的间距为3400mm～3700mm，这个距离不但能保证操作人员在此区间的正常操作及动作，并且还能够满足焊接产生的变形还没有完全冷却定型，就进入到矫正工序中，有效缩短了矫正的时间，提高了T型钢材的生产效率。
能够使得T型钢材在焊接之后能够立即进行矫正工序，有效缩短矫正时间，提高T型钢材的生产效率；避免整个流水线停滞现象的产生；提高了加工厂房的空间利用率。
注意，以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施方式的限制，上述实施方式和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内，本发明的要求保护范围由所附的权利要求书及其等效物界定。
Claims (10)
- 一种T型钢材加工装置，其特征在于，包括：传输装置(11)，用于T型钢材在流水线上的传输；焊接装置(12)，所述焊接装置(12)对称设置于所述传输装置(11)的两侧；矫正装置(13)，所述矫正装置(13)对称设置于所述传输装置(11)的两侧，每一侧的所述焊接装置(12)和矫正装置(13)沿所述流水线的流动方向依次排布；所述矫正装置(13)包括升降装置，所述升降装置上设置有火焰加热枪(131；132；133；134)。
- 根据权利要求1所述的T型钢材加工装置，其特征在于，每一侧的所述焊接装置(12)与矫正装置(13)的间距为3400mm～3700mm。
- 一种T型钢材矫正方法，其特征在于，在T型钢材的流水线焊接作业中对T型钢材进行火焰矫正，包括如下步骤：根据T型钢材的高度，调节火焰加热枪的高度；对T型钢材进行焊接；当T型钢材的焊缝初始端正对矫正装置时，打开需要工作的火焰加热枪；当T型钢材的焊缝终止端正对矫正装置时，关闭已经打开的火焰加热枪。
- 根据权利要求3所述的T型钢材矫正方法，其特征在于，在调节火焰加热枪高度之后，还包括：根据T型钢材的焊接方式，确定需要工作的火焰加热枪的位置和数量。
- 根据权利要求4所述的T型钢材矫正方法，其特征在于，根据T型钢材的焊接方式，确定需要工作的火焰加热枪的位置和数量，包括：当焊接采用双面单丝焊接时，选择位于传输装置两侧各一支火焰加热枪，两支火焰加热枪相对于传输装置对称设置；当焊接采用双面双丝焊接时，选择位于传输装置两侧各两支火焰加热枪，一侧的两支火焰枪与另一侧的两只火焰枪相对于传输装置对称设置。
- 根据权利要求3所述的T型钢材矫正方法，其特征在于，根据T型钢材的高度，调节火焰加热枪的高度，包括：将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下。
- 根据权利要求5所述的T型钢材矫正方法，其特征在于，将火焰加热枪的中心线调节至T型钢材的腹板的顶部以下，具体为：火焰加热枪的中心线距T型板材的腹板的顶部的距离为10mm～20mm。
- 根据权利要求3-7任一项所述的T型钢材矫正方法，其特征在于，在打开需要工作的火焰加热枪之后，还包括：通过温度测量仪实时监控火焰加热枪上的火焰温度T，控制火焰温度T在650℃～800℃。
- 根据权利要求8所述的T型钢材矫正方法，其特征在于，所述温度测量仪为红外线温度测量仪。
- 根据权利要求9所述的T型钢材矫正方法，其特征在于，所述火焰为中性氧乙炔焰。
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