WO2021073558A1 - 一种管道焊接加热装置、焊接装置及方法 - Google Patents

一种管道焊接加热装置、焊接装置及方法 Download PDF

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Publication number
WO2021073558A1
WO2021073558A1 PCT/CN2020/121037 CN2020121037W WO2021073558A1 WO 2021073558 A1 WO2021073558 A1 WO 2021073558A1 CN 2020121037 W CN2020121037 W CN 2020121037W WO 2021073558 A1 WO2021073558 A1 WO 2021073558A1
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WIPO (PCT)
Prior art keywords
pipeline
pipe
welded
sliding contact
welding
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PCT/CN2020/121037
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English (en)
French (fr)
Inventor
李保
吴富强
王小龙
彭晶
李振
Original Assignee
中国电建集团山东电力建设第一工程有限公司
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Publication of WO2021073558A1 publication Critical patent/WO2021073558A1/zh

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Classifications

    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-arc welding

Definitions

  • the invention relates to the technical field of welding equipment, in particular to a pipeline welding heating device, a welding device and a method.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide a pipeline welding heating tool, which can continuously heat the pipeline to be welded and ensure the welding quality of the pipeline.
  • a heating device for pipeline welding comprising a ring-shaped sliding contact wire, the sliding contact wire is used to be coaxially arranged with the pipeline to be welded, the pipeline to be welded can pass through the sliding contact wire, the sliding contact wire is fixedly connected to the bracket, and the bracket is used Fix the trolley contact line, the trolley contact line is connected with a current collector, the current collector can slide along the trolley contact line, the current collector is fixedly connected with the connecting plate, and the connecting plate is used for fixed connection with the pipeline to be welded.
  • the welding pipeline rotates, and the collector can be driven to move along the sliding contact line through the connecting plate.
  • the collector is connected to the heater through the heat treatment wire.
  • the heater is fixed on the pipeline to be welded and heats the pipeline to be welded.
  • a connector is arranged at the joint of the contactor, and the connector is connected with the heat treatment machine.
  • the current collector is also connected with a thermocouple through a compensation wire, and the thermocouple is used to be fixed on the pipeline to be welded and detect the temperature of the pipeline to be welded.
  • the bracket is a circular ring plate arranged coaxially with the sliding contact line, and the bracket is fixedly connected with the sliding contact line through a plurality of fixing members, and the fixing members are evenly distributed along the circumference of the bracket.
  • the fixing member includes a fixing plate, the fixing plate is fixedly connected to the ring plate, and the fixing plate is fixedly connected with a hanging frame, the hanging frame has a cavity through which the sliding contact line passes, and the sliding contact line passes through the Hanging racks are used for supporting and fixing.
  • the heater adopts a resistance ceramic heater.
  • the pipe welding heating device further includes a thermal insulation blanket, which can wrap the resistance ceramic heater.
  • the connecting plate adopts an L-shaped plate, and the connecting plate is fixed with a magnet, and the magnet is used for fixedly connecting the connecting plate and the pipe to be welded.
  • the bracket is connected to a lifting mechanism, and the lifting mechanism is used to adjust the height of the bracket.
  • the invention also discloses a pipeline welding device, which includes an automatic pipeline welding machine tool and two sets of said pipeline welding heating devices.
  • the invention also discloses a working method of a pipeline welding device: the sliding contact wires and brackets of the two pipeline welding heating devices are arranged at the head and tail ends of the pipeline to be welded, and are arranged coaxially with the pipeline to be welded.
  • the heater is fixed to the pipe to be welded through the sliding contact line
  • the connecting plate is fixedly connected to the pipe to be welded
  • the heat treatment machine is started.
  • the heat treatment machine drives the heater to work through the sliding contact line, the current collector and the heat treatment wire, and performs the operation on the pipe.
  • the automatic pipeline welding machine starts to drive the pipeline to rotate and perform welding.
  • the pipeline can drive the current collector to move synchronously with the pipeline along the sliding contact line, and the heat treatment machine maintains and heats
  • the connection state of the device can realize continuous heating during the welding process of the pipeline.
  • the collector can rotate synchronously with the pipe seat to be welded on the slider, so that the heat treatment machine and the heater can always be connected to ensure the heater
  • the work realizes the continuous heating of the pipeline to be welded, and ensures the temperature requirements during pipeline welding, and the welding quality is good.
  • the heating device of the present invention has a thermocouple, which can collect the temperature of the pipe in real time, adjust the power of the heat treatment machine, and then adjust the heating power, realize the synchronization of heating and temperature measurement, and can accurately measure temperature, control temperature, and adjust at any time
  • the heating power ensures the preheating temperature of the pipeline and ensures the welding quality.
  • Fig. 1 is a schematic diagram of the overall structure of the heating device in Example 1 of the present invention.
  • Figure 2 is a schematic diagram of the structure of the stent in Example 1 of the present invention.
  • Fig. 3 is a schematic diagram of the structure of the fixing member in embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of the structure of the connecting plate according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic diagram of the heating device in use in Example 1 of the present invention.
  • a pipe welding heating device includes a circular trolley wire 1 which is used to be coaxially arranged with the pipe to be welded.
  • the inner diameter of the trolley wire is larger than the outer diameter of the pipe of the largest specification that needs to be welded, so that the heating device can meet the welding requirements of different specification pipes.
  • a current collector 2 is slidably connected to the sliding contact line, and the current collector can slide freely along the sliding contact line.
  • the trolley wire and the current collector only need to adopt the existing structure, and the specific structure will not be described in detail here.
  • the sliding contact line is fixedly connected to the support 3, the support is a circular ring plate arranged coaxially with the sliding contact line, and a plurality of fixing members 4 are uniformly fixed on the inner surface of the circular ring plate along the circumference.
  • the fixing part is connected with the sliding contact line, and the sliding contact line is fixed on the bracket by a plurality of fixing parts.
  • the bracket includes a fixing plate 4-1, and a stud 4-2 passes through the fixing plate.
  • One end of the stud passes through the fixing plate and the circular ring plate, and is located on both sides of the fixing plate and the circular ring plate.
  • the stud column section is threadedly connected with the first compression nut 4-3, and the two first compression nuts can be compressed on the inner surface of the fixed plate and the outer surface of the circular ring plate to realize the fixed plate and the circular ring.
  • the fixing of the shaped plate is provided.
  • the other end of the stud is fixedly connected with a hanging frame 4-4, which is welded by four steel plates, and the four steel plates form a cavity for the sliding contact line to pass through.
  • the side surface of the wire can be attached to the inner side surface of the steel plate and the end surface of the stud, and the sliding contact wire can be fixed on the bracket through a plurality of hanging brackets.
  • the stud passes through the steel plate located on the outermost side.
  • the stud column sections on both sides of the steel plate are threadedly connected with two second compression nuts 4-5, and the two second compression nuts compress the inner and outer sides of the steel plate. Realize the fixed connection between the hanging frame and the stud.
  • the steel plate close to the sliding contact line and one side of the center of the bracket is provided with a gap, and the current collector can pass through the steel plate through the opening to prevent the hook from obstructing the movement of the current collector.
  • the inner end surface of the current collector is fixedly connected to the connecting plate 5.
  • the connecting plate adopts an L-shaped plate and includes a first connecting plate 5-1 and a second connecting plate 5-2 that are perpendicular and integrally connected to each other.
  • the top end of a connecting plate is provided with a boss 5-3, the boss and the collector are detachably connected by bolts, the second connecting plate is an arc plate matching the shape of the pipe to be welded, and the bottom end of the second connecting plate is fixed with
  • the connecting plate can be adsorbed and fixed to the pipe to be welded by the magnet.
  • the connecting plate can be provided with a series of connecting plates of different sizes according to the diameter of the pipe to be welded, which can meet the adsorption and fixing requirements of the connecting plate and the pipes of different specifications.
  • the connecting plate can drive the current collector to move synchronously along the sliding contactor.
  • the current collector is connected to a heater through a heat treatment wire 7.
  • the heater adopts a resistance ceramic heater 6.
  • the resistance ceramic heater can be wrapped on the outer circumferential surface of the pipe to be welded, and the two ends of the heat treatment wire are respectively fixed on the resistance ceramic heater.
  • the length of the heat-treated wire is 2m-3m, which can be determined according to the actual working conditions on site.
  • a connector 8 is provided at the joint of the sliding contactor, and the connector may be an existing connector for sliding contactor. The specific structure of the connector is not described in detail here.
  • the connector is connected to the heat treatment machine 9.
  • the heat treatment machine can drive the ceramic heater to work through the connector, sliding contactor, current collector and heat treatment wire to heat the pipeline.
  • the current collector is also connected to a thermocouple 11 through a compensation wire 10, and both ends of the compensation wire are fixed on the terminal of the current collector and the thermocouple.
  • the thermocouple is used to be fixed on the pipe to be welded and connected to a temperature controller, It is used to detect the temperature of the pipeline in real time.
  • the length of the compensation wire is 2m-3m, which can be determined according to the actual working conditions on site.
  • the pipe welding heating device also includes an electric blanket 12, which is used to wrap the outer circumference of the ceramic heater to keep it warm and prevent excessive heat loss.
  • the bracket is connected to the lifting mechanism 13, and the lifting mechanism can adjust the height of the bracket and the sliding contact line, which is convenient for adaptive adjustment according to the height of the pipeline on the automatic welding machine tool.
  • the lifting mechanism may adopt a hydraulic lifting mechanism or a mechanical lifting mechanism.
  • the lifting mechanism may be an existing lifting mechanism, and its specific structure will not be described in detail here.
  • This embodiment discloses a pipeline welding device, which includes an automatic pipeline welding machine tool and two sets of pipeline welding heating devices described in Example 1.
  • the sliding contact lines and brackets of the two pipeline welding heating devices are respectively arranged on the pipes to be welded At both ends of the head and tail, the sliding contact line and the bracket are coaxially arranged with the pipe to be welded. When in use, the first and last ends of the pipe pass through the sliding contact line.
  • This embodiment discloses a working method of a pipeline welding device: as shown in Figure 5, the pipeline 14 is placed on an automatic welding machine tool, a pipeline welding heating device is placed on the pipeline automatic welding machine tool, and the two sets of pipeline welding heating device slide The contact wires and brackets are set at the end and end of the pipeline, and the end and the end of the pipeline pass through the sliding contact wires.
  • thermocouple Binding and fixing on the pipe to be welded, the thermocouple is 20mm-30mm away from the bevel of the pipe end, and then wrap the resistance ceramic heater on the outer circumference of the pipe end, and the thermocouple extends between the resistance ceramic heater and the pipe, namely The thermocouple extends into the heating area of the resistance ceramic heater. After the resistance ceramic heater is installed, the insulation blanket is wrapped around the outer circumference of the resistance ceramic heater to play a role in heat preservation and heat insulation.
  • the heat treatment wire and the compensation wire use multiple tapes Fix it so that the heat-treated wire and the compensation wire are attached to the outer pipe wall of the pipeline and the connecting plate is set to prevent the extrusion and winding of the heat-treated wire and the compensation wire during the rotation of the pipeline.
  • wire clamp 15 equipped with a magnet to fix the heat-treated wire and the compensation wire.
  • the wire clip may be an existing wire clip, and the magnet can be fixed.
  • the fixing method of the heat-treated wire and the compensation wire those skilled in the art can follow The actual working conditions are selected and will not be described in detail here.
  • the heat treatment machine drives the resistance ceramic heater through the connector, sliding contact line, current collector and heat treatment wire to preheat the pipe.
  • the thermocouple can collect the temperature of the pipe in real time. , And display on the temperature controller connected to it. After the temperature controller shows that the temperature reaches the set temperature for half an hour, the automatic pipe welding machine is started, the pipe rotates, and the welding begins. During the rotation, the pipe drives the collector through the connecting plate to move along the sliding contact line, and the heat treatment machine can always The electric resistance ceramic heater is driven to continuously heat the pipeline.
  • the thermocouple can collect the temperature of the pipeline in real time, and the operator adjusts the power of the heat treatment machine according to the collected temperature, so that the temperature of the pipeline is maintained within the set temperature range to ensure the welding quality.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

一种管道焊接加热装置，包括圆环形的滑触线(1)，滑触线用于与待焊接管道(14)同轴设置，待焊接管道能够穿过滑触线，滑触线与支架(3)固定连接，支架用于对滑触线进行固定，滑触线连接有集电器(2)，集电器能够沿滑触线滑动，集电器与连接板(5)固定连接，所述连接板用于与待焊接管道固定连接，待焊接管道转动，能够通过连接板带动集电器沿滑触线运动，集电器通过热处理导线(7)与加热器(6)连接，加热器用于固定在待焊接管道上，对待焊接管道进行加热，滑触器的接头处设有连接器(8)，连接器与热处理机(9)连接，该加热装置能够在管道焊接时持续加热，焊接质量高。还涉及一种管道焊接装置及管道焊接装置的工作方法。

Description

一种管道焊接加热装置、焊接装置及方法 技术领域
本发明涉及焊接设备技术领域，具体涉及一种管道焊接加热装置、焊接装置及方法。
 背景技术
电站承压管道自动焊接过程中管道随着机床转动，对于焊前需进行电加热预热管道而言，传统电加热预热方法所使用设备工具无法跟随管道一起转动，导致管道埋弧自动焊接时无法持续进行电加热预热，因此只能转而求其次采用火焰预热或者采取焊前电加热预热(先预热达到温度后在开始焊接时将加热电源线及测温线等无法随管道转动设施全部拆除)，在焊接时依靠电弧温度来保持管道自身所需预热温度。
 技术问题
发明人发现，现有技术无法持续对待焊件进行加热，无法准确控制预热温度，达不到规程规范要求，特别是一些对预热温度比较敏感的材质，极大的增加缺陷产生几率。
 技术解决方案
本发明的目的是为克服现有技术的不足，提供一种管道焊接加热工装，能够对待焊接管道进行持续加热，保证了管道的焊接质量。
为实现上述目的，本发明采用下述技术方案：
一种管道焊接加热装置，包括圆环形的滑触线，滑触线用于与待焊接管道同轴设置，待焊接管道能够穿过滑触线，滑触线与支架固定连接，支架用于对滑触线进行固定，所述滑触线连接有集电器，集电器能够沿滑触线滑动，所述集电器与连接板固定连接，所述连接板用于与待焊接管道固定连接，待焊接管道转动，能够通过连接板带动集电器沿滑触线运动，所述集电器通过热处理导线与加热器连接，所述加热器用于固定在待焊接管道上，对待焊接管道进行加热，所述滑触器的接头处设有连接器，所述连接器与热处理机连接。
进一步的，所述集电器还通过补偿导线连接有热电偶，所述热电偶用于固定在待焊接管道上，检测待焊接管道的温度。
进一步的，所述支架为与滑触线同轴设置的圆环形板，支架通过多个固定件与滑触线固定连接，固定件沿支架的圆周均匀分布。
进一步的，所述固定件包括固定板，固定板与环形板固定连接，固定板固定连接有挂接架，所述挂接架具有滑触线穿过的空腔，滑触线穿过所述挂接架，利用挂接架进行支撑固定。
进一步的，所述加热器采用电阻陶瓷加热器。
进一步的，所述管道焊接加热装置还包括保温毯，所述保温毯能够包裹住电阻陶瓷加热器。
进一步的，所述连接板采用L型板，所述连接板固定有磁铁，所述磁铁用于将连接板与待焊接管道固定连接。
进一步的，所述支架与升降机构连接，所述升降机构用于调节支架的高度。
本发明还公开了一种管道焊接装置，包括管道自动焊机床及两套所述的管道焊接加热装置。
本发明还公开了一种管道焊接装置的工作方法：两套管道焊接加热装置的滑触线及支架设置在待焊接管道的首尾两端，且与待焊接管道同轴设置，待焊接管道首尾两端穿过滑触线，将加热器固定在待焊接管道上，连接板与待焊接管道固定连接，启动热处理机，热处理机通过滑触线、集电器及热处理导线带动加热器工作，对管道进行预热，管道达到设定温度后，管道自动焊机床启动，带动管道进行转动，进行焊接，焊接过程中，管道能够带动集电器沿滑触线做与管道同步的运动，热处理机保持与加热器的连接状态，实现对管道焊接过程中的持续加热。
 有益效果
1.采用本发明的加热装置，通过滑触器及集电器的设置，集电器能够在滑触器上与待焊接管道座同步转动，使热处理机与加热器能够始终保持连接状态，保证加热器的工作，实现了对待焊接管道的持续加热，保证了管道焊接时的温度要求，焊接质量好。
2.本发明的加热装置，具有热电偶，能够实时采集管道的温度，进而调节热处理机的功率，进而调整加热功率，实现了加热和测温同步进行，能够精确测温、控温，随时调整加热功率，保证管道预热温度，确保焊接质量。
 附图说明
图1为本发明实施例1加热装置整体结构示意图；
图2为本发明实施例1支架结构示意图；
图3为本发明实施例1固定件结构示意图；
图4为本发明实施例1连接板结构示意图；
图5为本发明实施例1加热装置使用状态示意图；
其中，1.滑触线，2.集电器，3.支架，4.固定件，4-1.固定板，4-2.螺柱，4-3.第一压紧螺母，4-4.挂接架，4-5.第二压紧螺母，5.连接板，5-1.第一连接板，5-2.第二连接板，5-3.凸台，6.电阻陶瓷加热器，7.热处理导线，8.连接器，9.热处理机，10.补偿导线，11.热电偶，12.电热毯，13.升降机构，14.管道，15.线夹，16.磁铁。
 本发明的实施方式
实施例 1
如图1-4所示，一种管道焊接加热装置，包括用于与待焊接管道同轴设置的圆环形的滑触线1，所述滑触线采用多极管式安全滑触线，所述滑触线的内径大于所需焊接的最大规格的管道外径，使加热装置满足不同规格管道的焊接使用要求。
所述滑触线上滑动连接有集电器2，所述集电器能够沿滑触线自由滑动。
所述滑触线和集电器采用现有的结构即可，其具体结构在此不进行详细赘述。
所述滑触线与支架3固定连接，所述支架为与滑触线同轴设置的圆环形板，所述圆环形板的内侧面沿圆周均匀固定有多个固定件4，所述固定件与滑触线连接，滑触线利用多个固定件固定在支架上。
所述支架包括固定板4-1，所述固定板中穿过有螺柱4-2，所述螺柱一端穿过固定板和圆环形板，位于固定板和圆环形板两侧的螺柱柱段上螺纹连接有第一压紧螺母4-3，两个第一压紧螺母能够压紧在固定板的内侧面和圆环形板的外侧面上，实现了固定板与圆环形板的固定。
所述螺柱的另一端固定连接有挂接架4-4，所述挂接架由四块钢板焊接而成，四块钢板构成了用于滑触线穿过的空腔，所述滑触线的侧面能够与钢板的内侧面及螺柱的端面贴合，通过多个挂接架实现将滑触线固定在支架上。
所述螺柱穿过位于最外侧的钢板，该钢板两侧的螺柱柱段上螺纹连接有两个第二压紧螺母4-5，两个第二压紧螺母压紧钢板的内外侧面，实现挂接架与螺柱的固定连接。
靠近滑触线及支架圆心一侧的钢板开设缺口，集电器能够通过所述开口穿过钢板，防止挂接架妨碍集电器的运动。
所述集电器的内侧端面与连接板5固定连接，所述连接板采用L型板，包括相互垂直且一体式连接的第一连接板5-1和第二连接板5-2，所述第一连接板的顶端设有凸台5-3，凸台与集电器通过螺栓可拆卸连接，第二连接板为与待焊接管道形状相匹配的弧形板，第二连接板的底端面固定有弧形的磁铁16，连接板能够通过磁铁与待焊接管道吸附固定。
本实施例中，连接板可根据待焊接管道的直径设置一系列规格的不同尺寸的连接板，能够满足连接板与不同规格管道的吸附固定要求。
管道转动时，能够通过连接板带动集电器沿滑触器做同步的运动。
所述集电器通过热处理导线7连接有加热器，所述加热器采用电阻陶瓷加热器6，电阻陶瓷加热器能够包裹在待焊接管道的外周面上，热处理导线的两端分别固定在电阻陶瓷加热器及集电器的接线柱上。
所述热处理导线的长度为2米-3米，可根据现场的实际工况进行确定。
所述滑触器的接头处设置有连接器8，所述连接器采用现有的滑触器用连接器即可，其具体结构在此不进行详细叙述，所述连接器与热处理机9连接。
热处理机能够通过连接器、滑触器、集电器及热处理导线驱动陶瓷加热器工作，对管道进行加热。
所述集电器还通过补偿导线10连接有热电偶11，补偿导线的两端固定在集电器和热电偶的接线柱上，所述热电偶用于固定在待焊接管道上并连接温控仪，用于实时检测管道的温度。
所述补偿导线的长度为2米-3米，可根据现场的实际工况进行确定。
所述管道焊接加热装置还包括电热毯12，所述电热毯用于包裹在陶瓷加热器外周，对其进行保温，防止热量的过多散失。
所述支架与升降机构13连接，升降机构能够调节支架及滑触线的高度，便于根据管道在自动焊机床上高度进行适应性调节。
所述升降机构可采用液压升降机构，也可采用机械升降机构，升降机构采用现有的升降机构即可，其具体结构在此不进行详细叙述。
实施例 2
本实施例公开了一种管道焊接装置，包括管道自动焊机床及两套实施例1所述的管道焊接加热装置，两套管道焊接加热装置的滑触线及支架分别设置在待焊接管道的首尾两端，滑触线、支架与待焊接管道同轴设置，使用时，管道的首尾两端穿过滑触线。
实施例 3
本实施例公开了一种管道焊接装置的工作方法：如图5所示，将管道14放置在自动焊机床上，在管道自动焊机床上放置管道焊接加热装置，两套管道焊接加热装置的滑触线和支架设置在管道的首尾两端，且管道首尾两端穿过滑触线，选择合适的连接板与集电器连接，将连接板通过磁铁与待焊接管道吸附固定，将热电偶通过铁丝绑扎固定在待焊接管道上，热电偶距离管道端部坡口20mm-30mm，然后将电阻陶瓷加热器包裹在管道端部的外周面上，热电偶伸入电阻陶瓷加热器与管道之间，即热电偶伸入电阻陶瓷加热器的加热区内，电阻陶瓷加热器装好后，再将保温毯包裹在电阻陶瓷加热器的外周，起到保温隔热的作用。
然后将热处理导线的两端与集电器和电阻陶瓷加热器的接线柱固定连接，将补偿导线的两端与集电器和热电偶接线柱的两端固定连接，热处理导线和补偿导线利用多条胶带进行固定，使热处理导线和补偿导线贴住管道外管壁、连接板设置，防止管道转动过程中热处理导线和补偿导线的挤压缠绕。
也可采用安装有磁铁的线夹15对热处理导线和补偿导线进行固定，线夹可采用现有线夹，固定置入磁铁即可，对于热处理导线和补偿导线的固定方式，本领域技术人员可根据实际工况进行选择，在此不进行详细叙述。
管道与管道焊接加热装置连接完成后，启动热处理机，热处理机通过连接器、滑触线、集电器及热处理导线驱动电阻陶瓷加热器工作，对管道进行预热，热电偶能够实时采集管道的温度，并在与其连接的温控仪上进行显示。待温控仪显示温度达到设定温度半小时后，启动管道自动焊机床工作，管道转动，开始进行焊接，转动过程中，管道通过连接板带动集电器沿滑触线运动，热处理机始终能够驱动电阻陶瓷加热器工作，对管道进行持续加热。
热电偶能够实时采集管道的温度，操作人员根据采集的温度调节热处理机的功率大小，进而使管道温度维持在设定的温度范围内，保证焊接质量。
上述虽然结合附图对本发明的具体实施方式进行了描述，但并非对本发明保护范围的限制，所属领域技术人员应该明白，在本发明的技术方案的基础上，本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。

Claims (10)

  1. 一种管道焊接加热装置，其特征在于，包括圆环形的滑触线，滑触线用于与待焊接管道同轴设置，待焊接管道能够穿过滑触线，滑触线与支架固定连接，支架用于对滑触线进行固定，所述滑触线连接有集电器，集电器能够沿滑触线滑动，所述集电器与连接板固定连接，所述连接板用于与待焊接管道固定连接，待焊接管道转动，能够通过连接板带动集电器沿滑触线运动，所述集电器通过热处理导线与加热器连接，所述加热器用于固定在待焊接管道上，对待焊接管道进行加热，所述滑触器的接头处设有连接器，所述连接器与热处理机连接。
  2. 如权利要求1所述的一种管道焊接加热装置，其特征在于，所述集电器还通过补偿导线连接有热电偶，所述热电偶用于固定在待焊接管道上，检测待焊接管道的温度。
  3. 如权利要求1所述的一种管道焊接加热装置，其特征在于，所述支架为与滑触线同轴设置的圆环形板，支架通过多个固定件与滑触线固定连接，固定件沿支架的圆周均匀分布。
  4. 如权利要求3所述的一种管道焊接加热装置，其特征在于，所述固定件包括固定板，固定板与环形板固定连接，固定板固定连接有挂接架，所述挂接架具有滑触线穿过的空腔，滑触线穿过所述挂接架，利用挂接架进行支撑固定。
  5. 如权利要求1所述的一种管道焊接加热装置，其特征在于，所述加热器采用电阻陶瓷加热器。
  6. 如权利要求5所述的一种管道焊接加热装置，其特征在于，所述管道焊接加热装置还包括保温毯，所述保温毯能够包裹住电阻陶瓷加热器。
  7. 如权利要求1所述的一种管道焊接加热装置，其特征在于，所述连接板采用L型板，所述连接板固定有磁铁，所述磁铁用于将连接板与待焊接管道固定连接。
  8. 如权利要求1所述的一种管道焊接加热装置，其特征在于，所述支架与升降机构连接，所述升降机构用于调节支架的高度。
  9. 一种管道焊接装置，其特征在于，包括管道自动焊机床及两套权利要求1-8任一项所述的管道焊接加热装置。
  10. 一种权利要求9所述的管道焊接装置的工作方法，其特征在于，两套管道焊接加热装置的滑触线及支架设置在待焊接管道的首尾两端，且与待焊接管道同轴设置，待焊接管道首尾两端穿过滑触线，将加热器固定在待焊接管道上，连接板与待焊接管道固定连接，启动热处理机，热处理机通过滑触线、集电器及热处理导线带动加热器工作，对管道进行预热，管道达到设定温度后，管道自动焊机床启动，带动管道进行转动，进行焊接，焊接过程中，管道能够带动集电器沿滑触线做与管道同步的运动，热处理机保持与加热器的连接状态，实现对管道焊接过程中的持续加热。
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