WO2017075911A1 - 一种 1500t 扩径机 - Google Patents

一种 1500t 扩径机 Download PDF

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Publication number
WO2017075911A1
WO2017075911A1 PCT/CN2016/070635 CN2016070635W WO2017075911A1 WO 2017075911 A1 WO2017075911 A1 WO 2017075911A1 CN 2016070635 W CN2016070635 W CN 2016070635W WO 2017075911 A1 WO2017075911 A1 WO 2017075911A1
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WO
WIPO (PCT)
Prior art keywords
roller
lifting
sets
guide rail
steel pipe
Prior art date
Application number
PCT/CN2016/070635
Other languages
English (en)
French (fr)
Inventor
张昊羽
徐伟
张建军
赵东
陈文宝
沈非凡
Original Assignee
江苏双友智能装备科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 江苏双友智能装备科技股份有限公司 filed Critical 江苏双友智能装备科技股份有限公司
Priority to RU2018103461A priority Critical patent/RU2685451C1/ru
Publication of WO2017075911A1 publication Critical patent/WO2017075911A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to the technical field of welded pipe processing equipment, and more particularly to a 1500T expansion machine applied to a large-diameter straight seam submerged arc welded pipe production line.
  • the expansion machine belongs to the straight seam metal welded pipe shaping equipment and is one of the main equipments in the whole production line. It is a cone expansion head, which adopts step expansion to expand in the steel pipe to eliminate the pre-bending and forming of the steel pipe.
  • the forming pressure generated during the process and the welding stress generated by the welding boring, and the diameter of the full length of the straight seam welded steel pipe is basically the same.
  • the present invention provides a 1500T expander that can be widely applied to a large-diameter straight seam submerged arc welded pipe production line in view of the defects in the above-mentioned existing production technology.
  • a 1500T expander comprising: a front flushing device, an expanding mainframe, a post-flushing device, a diametrical traverse vehicle and a rail assembly, and a steel tube revolving vehicle and a rail assembly, the front flushing device
  • the utility model is further divided into a flushing head device, a water collecting cover device and a set of fixed rotating rollers, wherein the steel pipe is rotated by a fixed rotating roller, the flushing head device and the water collecting cover device both comprise a vehicle body; and the expanding main body comprises a clamping vehicle Assembly, fixed rotating roller, lifting V-shaped roller, enlarged diameter head assembly, drawbar assembly, main cylinder device, linkage lifting support roller device , lifting active support roller device, active support roller drive device, random alignment device and main base, wherein the expansion head assembly, the tie rod assembly, the main cylinder device, the linkage lifting support roller device, the lifting active support roller device, the random school
  • the straight device is mounted on the base, the clamping vehicle assembly has a clamping device at the
  • the supporting roller is supported, the angle is also about 0.5°, and can be adjusted up and down according to the diameter of the pipe; the expanding and traversing vehicle and the guide rail assembly, the main body is a car body, and the wheel components are respectively installed on both sides of the car body, in the middle There are two sets of lifting mechanisms on both sides.
  • the upper part of the lifting mechanism is a V-shaped bracket.
  • the gears are on one side, and the guide rails and racks are mounted on the guide.
  • the steel pipe revolving vehicle and the guide rail assembly are respectively provided with wheel assemblies on both sides of the revolving vehicle body, and the vehicle body is provided with a slewing support and a revolving frame, and the revolving frame can be rotated by 180° through the slewing support, and the revolving frame is mounted thereon.
  • Lifting cylinder, V-bracket, transfer roller and bridge are respectively provided with wheel assemblies on both sides of the revolving vehicle body, and the vehicle body is provided with a slewing support and a revolving frame, and the revolving frame can be rotated by 180° through the slewing support, and the revolving frame is mounted thereon.
  • Lifting cylinder, V-bracket, transfer roller and bridge are respectively provided with wheel assemblies on both sides of the revolving vehicle body, and the vehicle body is provided with a slewing support and a revolving frame, and the revolving frame can be rotated by 180° through the
  • the head of the flushing head device has two upper and lower nozzles, and the lower surface is equipped with an elevator.
  • the rear guiding beam of the clamping device in the expanding mainframe adopts three sets of gantry type supporting frames, and the beam and the rack have upper and lower guiding plates, and the positioning ring and the bearing inside are driven by the clamping vehicle.
  • the sleeve can be oriented in full length.
  • two sets of lifting rollers in the post-flushing device have different lifting heights, and the working lifting roller and the nine sets of individual roller rollers form an angular difference of about 0.5° with the horizontal line, and the angle of the cantilever rod.
  • the head of the cantilever rod is equipped with a flushing head, the two sets of flushing heads are correspondingly used with different diameters of the steel pipe, and the flushing head has two sets of injection chambers, the steel pipe enters the crucible, the flushing head sprays the emulsion to rinse the inner wall of the steel pipe, and the steel pipe sends out the crucible, flushing
  • the head sprays water to rinse the inner wall of the steel pipe; there are 2 sets of support rollers in the middle, which can adjust the height of the support roller according to the size of the pipe diameter, and there is a set of cantilever bar supporting rollers which can be lifted and lowered in the middle, and no steel pipe can be according to the height of the cantilever Support the cantilever so that it does not scratch.
  • the expanded diameter traversing vehicle and the guide rail assembly have an integral structure
  • the guide wheel and the gear are installed in the middle of the vehicle body
  • the guide rail and the rack are mounted in the middle of the guide rail. basically.
  • the steel pipe revolving vehicle and the guide rail assembly have a wheel under the steel tube revolving vehicle body, and the reducer Driving the whole vehicle to walk, the slewing frame is fixed on the vehicle body by the slewing roller support, and the slewing support is fixed on the vehicle body
  • the revolving frame can be rotated by 180°.
  • the revolving frame is equipped with 3 sets of separate roller tables and 2 sets of lifting frames. Since the revolving frame is longer than the car body, the bridge frame is added on both sides of the revolving frame.
  • the invention has the advantages of compact structure, reasonable overall layout, perfect functions of various components, safe and reliable use, and is a full-length steel pipe expansion machine capable of meeting large diameter, long length and high wall thickness.
  • the electrical control of the present invention in addition to the steel pipe completed by the pre-flushing to the expansion station, requires the operator to manually adjust the straight weld of the steel pipe to the positive direction of 12 o'clock through the video acquisition monitoring system, the rest All operations are automated, simple, convenient, and efficient.
  • FIG. 1 is a schematic view showing the overall structure of a 1500T expander according to the present invention.
  • FIG. 2 is a schematic view showing the structure of a front flushing device, a diametrical traverse vehicle and a guide rail assembly of a 1500T expander according to the present invention
  • FIG. 3 is a schematic structural view of an expanded diameter main body of a 1500T expander according to the present invention.
  • FIG. 4 is a schematic structural view of a post-flushing device of a 1500T expander according to the present invention.
  • FIG. 5 is a schematic structural view of a steel pipe revolving vehicle and a guide rail assembly of a 1500T expander according to the present invention
  • a post-flushing device 4 a traverse traverse vehicle and a guide rail assembly 2, and a steel pipe revolving vehicle and a guide rail assembly 5, wherein the front flushing device 1 is further divided into a flushing head device, a water collecting hood device and a set of fixed rotating rollers.
  • the steel pipe is rotated by a fixed rotating roller, and the flushing head device and the water collecting cover device both include a vehicle body;
  • the expanding main body 3 includes a clamping car assembly, a fixed rotating roller, a lifting V-shaped roller, and an enlarged diameter head assembly.
  • drawbar assembly main cylinder device, linkage lifting support roller device, lifting active support roller device, active support roller drive device, random alignment device and main base, wherein the expansion head assembly, the tie rod assembly, the main cylinder device, The linkage lifting support roller device, the lifting active supporting roller device and the random alignment device are all mounted on the base, the clamping vehicle assembly has a clamping device at the front end, the lower part has 8 walking wheels, and the rear has a guiding beam; 4 described later flushing device, comprising separate sets of rollers 9, two sets of the lifting roller, the support roller cantilever arm, the cantilever mounting means, and a stop tube cantilever arm, a roller successively lower height, the horizontal Forming an angular drop of about 0.5°, the cantilever rod is mounted on the cantilever frame device, and is supported by the cantilever rod supporting roller in the middle, and the angle is also about 0.5°, which can be adjusted up and down according to the diameter of the pipe;
  • the guide rail assembly 2 the main body is a vehicle body, the
  • One side has a gear
  • the guide rail and the rack are mounted on the guide rail base; the steel tube rotary car and the guide rail assembly 5, the wheel assembly is respectively installed on both sides of the rotary car body, and the vehicle body is provided with a swing support and a revolving frame.
  • the revolving frame can be rotated by 180° through a slewing ring, and the revolving frame is equipped with a lifting cylinder, a V-shaped bracket, a conveying roller and a bridge.
  • the head of the flushing head device in the front flushing device 1 has two upper and lower nozzles, and the bottom is equipped with an elevator, which can adjust the height of the nozzle, and can meet the flushing of the inner wall of the steel pipe of various specifications and diameters. .
  • the rear guiding beam of the clamping device of the expanding main body 3 adopts three sets of gantry type supporting frames to ensure stable walking of the clamping vehicle, and the guiding plate is arranged above and below the beam and the rack.
  • the positioning ring and the bearing sleeve inside the driving drive can be fully oriented and guided.
  • the two sets of lift rollers in the post-flushing device 4 have different lifting heights, and the working lift roller and the nine sets of individual roller rollers form an angular difference of about 0.5° with the horizontal line as a whole, and
  • the angle of the cantilever rod is the same; the head of the cantilever rod is equipped with a flushing head, the two sets of flushing heads are correspondingly used with different diameters of the steel pipe, and the flushing head has two sets of injection chambers, the steel pipe enters the crucible, the flushing head sprays the emulsion to rinse the inner wall of the steel pipe, and the steel pipe is sent out.
  • the flushing head sprays water to rinse the inner wall of the steel pipe; there are 2 sets of supporting rollers in the middle, which can adjust the height of the supporting roller according to the size of the pipe diameter, and a set of cantilever bar supporting rollers which can be lifted and lowered in the middle, and no steel pipe can be used according to the cantilever rod
  • the height supports the cantilever so that it does not scratch.
  • the enlarged traverse vehicle body is a monolithic structure
  • the guide wheel and the gear are installed in the middle of the vehicle body
  • the guide rail and the rack are mounted on the guide rail in the middle
  • the rack and pinion transmission is guaranteed.
  • the steel tube revolving vehicle body has wheels under the vehicle body, and the whole vehicle is driven by the speed reducer.
  • the revolving frame is fixed on the vehicle body through the revolving car roller, and the slewing support is fixed on the vehicle body. Slewing support, the revolving frame can be rotated by 180°, and the swivel frame is equipped with 3 sets of separate roller tables and 2 sets of lifting frames. Since the revolving frame is longer than the car body, the bridge frame is added on both sides of the revolving frame, and the lever can be pulled through the bridge frame. The sides of the frame are not scratched.
  • the present invention is started by expanding the traverse carriage, and is sent to the front flushing station.
  • the inner wall of the steel pipe is rinsed by the front flushing device 1.
  • the steel pipe is driven by the rotating roller to rotate around the horizontal axis.
  • the expansion station by expanding the diameter of the traverse, adopting the step-type expansion, and through the cold expansion, the tension exceeds the yield limit of the steel pipe, so that it has uniform deformation, and achieves the specified roundness and straightness. , to meet the outer diameter size range specified in the relevant standards, and effectively eliminate the residual stress of steel pipe pre-bending, forming, welding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

一种1500T扩径机，包括前冲洗装置（1）、扩径主机（3）、后冲洗装置（4）、扩径横移车及导轨总成（2）和钢管回转车及导轨总成（5），所述前冲洗装置又分为冲洗头装置、集水罩装置和一组固定旋转辊；所述扩径主机包含夹持车总成、固定旋转辊、升降V型辊等结构；所述后冲洗装置，包括9套单独辊道、2套升降辊道、悬臂杆支撑托辊等结构；所述扩径横移车及导轨总成，主体为车体，车体的两侧分别安装有车轮组件，中间两侧为两组升降机构；所述钢管回转车及导轨总成，回转车车体的两侧分别安装有车轮组件，车体上装有回转支撑和回转框架。该扩径机结构紧凑，整体布局合理，各部件功能完善，使用安全可靠，是能满足口径大、长度长和壁厚高规格的全长钢管扩径机。

Description

说明书 发明名称：一种 1500T扩径机
技术领域
[0001] 本发明涉及焊管加工设备技术领域， 尤其是一种应用于大口径直缝埋弧焊管生 产线中的 1500T扩径机。
背景技术
[0002] 在工业生产过程中， 管料类大型工件， 在流水生产线作业过程中， 由于钢管达 不到相关标准规定的圆度、 直度， 需要对钢管进行扩径， 使其满足规定的尺寸 。 扩径机属于直缝金属焊管整形设备， 是整条生产线中主机设备之一， 它是用 锥体扩胀头， 采用步进扩径， 在钢管内扩胀， 达到消除钢管在预弯和成型过程 中产生的成型压力和焊接吋产生的焊接应力， 并保证直缝焊钢管全长段真径大 小基本一致。
技术问题
[0003] 目前市面上的扩径机， 钢管在扩径吋最长只有到 12.5米， 钢管外径只有到 1422 ， 对于长度在 12.5米以上和外径超过 1422毫米规格的钢管， 暂吋没用扩径机能够 扩径。 而随着吋代的进步， 对于长度 12.5米以上、 外径 1422毫米以上的钢管， 需 求会慢慢越来越大。
问题的解决方案
技术解决方案
[0004] 本发明则针对上述现有生产技术中的缺陷， 提供一种可广泛应用于大口径直缝 埋弧焊管生产线中的 1500T扩径机。
[0005] 为解决上述问题， 本发明所采用的技术方案是：
[0006] 一种 1500T扩径机， 其特征在于， 包括前冲洗装置、 扩径主机、 后冲洗装置、 扩径横移车及导轨总成和钢管回转车及导轨总成， 所述前冲洗装置又分为冲洗 头装置、 集水罩装置和一组固定旋转辊， 钢管通过固定旋转辊进行旋转， 冲洗 头装置和集水罩装置都包含有车体； 所述扩径主机， 包含夹持车总成、 固定旋 转辊、 升降 V型辊、 扩径头总成、 拉杆总成、 主油缸装置、 联动升降支撑辊装置 、 升降主动支撑辊装置、 主动支撑辊驱动装置、 随机校直装置和主机底座， 其 中扩径头总成、 拉杆总成、 主油缸装置、 联动升降支撑辊装置、 升降主动支撑 辊装置、 随机校直装置都安装于底座上， 所述夹持车总成前端带有夹钳装置， 下部有 8个行走车轮， 后部有导向横梁； 所述后冲洗装置， 包含 9套单独辊道、 2 套升降辊道、 悬臂杆支撑托辊、 悬臂架装置、 悬臂杆和挡管器， 辊道高度依次 降低， 与水平线形成大约 0.5°的角度落差， 悬臂杆装与悬臂架装置上， 中间通过 悬臂杆支撑托辊撑住， 角度也约为 0.5°， 可根据管径大小上下调节； 所述扩径横 移车及导轨总成， 主体为车体， 车体的两侧分别安装有车轮组件， 中间两侧为 两组升降机构， 升降机构上部为 V型托架， 车体中间带有 3组导向轮组件， 一边 带有齿轮， 导向轨道和齿条装于导轨基础上； 所述钢管回转车及导轨总成， 回 转车车体的两侧分别安装有车轮组件， 车体上装有回转支撑和回转框架， 回转 框架通过回转支撑可以 180°旋转， 回转框架上装有升降油缸、 V型托架、 传送辊 道和桥架。
[0007] 优选地， 所述前冲洗装置中冲洗头装置的喷头有上下 2个， 且下面装有升降机
[0008] 优选地， 所述扩径主机中夹持车装置后部导向横梁采用 3套龙门式支撑架， 横 梁和齿条上下都有导向板， 通过夹持车行走驱动里面的定位圈和轴承套， 可以 全长定位导向。
[0009] 优选地， 所述后冲洗装置中 2套升降辊道， 升降高度不一样， 工作吋升起辊道 和 9套单独辊道整体与水平线形成大约 0.5°的角度落差， 与悬臂杆角度一致； 悬 臂杆头部装有冲洗头， 两组冲洗头对应使用不同管径的钢管， 且冲洗头有 2组喷 射腔， 钢管进入吋， 冲洗头喷乳化液冲洗钢管内壁， 钢管送出吋， 冲洗头喷清 水冲洗钢管内壁； 中间有 2组支撑辊轮， 可随管径的大小调节支撑辊轮的高度， 中间还有一套可升降的悬臂杆支撑托辊， 无钢管吋可根据悬臂杆的高度支撑住 悬臂杆使它不致下挠。
[0010] 优选地， 所述扩径横移车及导轨总成中扩径横移车车体为整体式结构， 导向轮 和齿轮装于车体中间， 导向轨道和齿条装于中间的导轨基础上。
[0011] 优选地， 所述钢管回转车及导轨总成中钢管回转车车体下带有车轮， 靠减速机 带动整车行走， 回转框架通过回转车托辊座于车体上， 回转支撑固定于车体上
， 通过回转支撑， 回转框架可以 180°旋转， 回转框架上装有 3套单独辊道和 2套举 升架， 由于回转框架要比车体长， 回转框架两侧增加桥架。
发明的有益效果
有益效果
[0012] 本发明的有益效果为：
[0013] 本发明结构紧凑， 整体布局合理， 各部件功能完善， 使用安全可靠， 是能满足 口径大、 长度长和壁厚高规格的全长钢管扩径机。
[0014] 本发明所述的电气控制， 除由前冲洗完成的钢管送到扩径工位， 需要操作员通 过视频采集监控系统手动把钢管的直焊缝调整到 12点钟正方向外， 其余操作全 部为自动化操作， 简单， 方便， 工作效率高。
[0015] 同吋下面结合附图和具体实施方式对本发明作进一步说明。
对附图的简要说明
附图说明
[0016] 图 1为本发明一种 1500T扩径机的整体结构示意图；
[0017] 图 2为本发明一种 1500T扩径机的前冲洗装置和扩径横移车及导轨总成结构示意 图；
[0018] 图 3为本发明一种 1500T扩径机的扩径主机结构示意图；
[0019] 图 4为本发明一种 1500T扩径机的后冲洗装置结构示意图；
[0020] 图 5为本发明一种 1500T扩径机的钢管回转车及导轨总成结构示意图；
[0021] 其中， 图中： 1-前冲洗装置； 2-扩径横移车及导轨总成； 3-扩径主机； 4-后冲 洗装置； 5-钢管回转车及导轨总成。
本发明的实施方式
[0022] 下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整地描述。
[0023] 实施例： [0024] 如图 1-5所示， 本发明公幵了一种 1500T扩径机， 包括前冲洗装置 1、 扩径主机 3
、 后冲洗装置 4、 扩径横移车及导轨总成 2和钢管回转车及导轨总成 5， 所述前冲 洗装置 1又分为冲洗头装置、 集水罩装置和一组固定旋转辊， 钢管通过固定旋转 辊进行旋转， 冲洗头装置和集水罩装置都包含有车体； 所述扩径主机 3， 包含夹 持车总成、 固定旋转辊、 升降 V型辊、 扩径头总成、 拉杆总成、 主油缸装置、 联 动升降支撑辊装置、 升降主动支撑辊装置、 主动支撑辊驱动装置、 随机校直装 置和主机底座， 其中扩径头总成、 拉杆总成、 主油缸装置、 联动升降支撑辊装 置、 升降主动支撑辊装置、 随机校直装置都安装于底座上， 所述夹持车总成前 端带有夹钳装置， 下部有 8个行走车轮， 后部有导向横梁； 所述后冲洗装置 4， 包含 9套单独辊道、 2套升降辊道、 悬臂杆支撑托辊、 悬臂架装置、 悬臂杆和挡 管器， 辊道高度依次降低， 与水平线形成大约 0.5°的角度落差， 悬臂杆装与悬臂 架装置上， 中间通过悬臂杆支撑托辊撑住， 角度也约为 0.5°， 可根据管径大小上 下调节； 所述扩径横移车及导轨总成 2， 主体为车体， 车体的两侧分别安装有车 轮组件， 中间两侧为两组升降机构， 升降机构上部为 V型托架， 车体中间带有 3 组导向轮组件， 一边带有齿轮， 导向轨道和齿条装于导轨基础上； 所述钢管回 转车及导轨总成 5， 回转车车体的两侧分别安装有车轮组件， 车体上装有回转支 撑和回转框架， 回转框架通过回转支撑可以 180°旋转， 回转框架上装有升降油缸 、 V型托架、 传送辊道和桥架。
[0025] 为了进一步优化方案， 所述前冲洗装置 1中冲洗头装置的喷头有上下 2个， 且下 面装有升降机， 可以调节喷头的高低， 可以满足各种不同规格管径的钢管内壁 的冲洗.
[0026] 为了进一步优化方案， 所述扩径主机 3中夹持车装置后部导向横梁采用 3套龙门 式支撑架， 保证夹持车稳定行走， 横梁和齿条上下都有导向板， 通过夹持车行 走驱动里面的定位圈和轴承套， 可以全长定位导向。
[0027] 为了进一步优化方案， 所述后冲洗装置 4中 2套升降辊道， 升降高度不一样， 工 作吋升起辊道和 9套单独辊道整体与水平线形成大约 0.5°的角度落差， 与悬臂杆 角度一致； 悬臂杆头部装有冲洗头， 两组冲洗头对应使用不同管径的钢管， 且 冲洗头有 2组喷射腔， 钢管进入吋， 冲洗头喷乳化液冲洗钢管内壁， 钢管送出吋 ， 冲洗头喷清水冲洗钢管内壁； 中间有 2组支撑辊轮， 可随管径的大小调节支撑 辊轮的高度， 中间还有一套可升降的悬臂杆支撑托辊， 无钢管吋可根据悬臂杆 的高度支撑住悬臂杆使它不致下挠。
[0028] 为了进一步优化方案， 所述扩径横移车车体为整体式结构， 导向轮和齿轮装于 车体中间， 导向轨道和齿条装于中间的导轨基础上， 齿轮齿条传动保证了扩径 横移车行走的稳定和启停吋的准确定位。
[0029] 为了进一步优化方案， 所述钢管回转车车体下带有车轮， 靠减速机带动整车行 走， 回转框架通过回转车托辊座于车体上， 回转支撑固定于车体上， 通过回转 支撑， 回转框架可以 180°旋转， 回转框架上装有 3套单独辊道和 2套举升架， 由于 回转框架要比车体长， 回转框架两侧增加桥架， 通过桥架的拉杆可拉住回转框 架两侧不致下挠。
[0030] 下面为本发明一种 1500T扩径机的具体工作流程：
[0031] 本发明由扩径横移车接管幵始， 送至前冲洗工位， 由前冲洗装置 1将钢管内壁 经冲洗干净， 在冲洗过程中， 钢管由旋转辊驱动绕水平轴线转动。 然后， 再由 扩径横移车送至扩径工位， 采用步进式扩径， 通过冷扩径， 张力超过钢管的屈 服极限， 使其具有统一的变形， 达到规定的圆度、 直度， 满足相关标准中规定 的外径尺寸范围， 并有效消除钢管预弯、 成型、 焊接的残余应力。 然后， 如果 是 9m〜12.5m的钢管， 则由扩径横移车直接送到后冲洗工位， 由后冲洗装置 4再 将钢管内壁冲洗干净， 再由扩径横移车送出钢管； 如果是 12.5m〜18.4m的钢管 ， 则在钢管一侧扩径后由扩径横移车送至钢管运输线路， 由运输线路的单独辊 道送至钢管回转车进行回转钢管， 再输送到扩径工位， 扩径钢管另外一侧， 再 经后冲洗工位冲洗， 最后输出钢管。
[0032] 需要说明的是， 对所公幵的实施例的上述说明的多种修改对本领域的专业技术 人员来说将是显而易见的， 本文中所定义的一般原理可以在不脱离本发明的精 神或范围的情况下， 在其它实施例中实现。 因此， 本发明将不会被限制于本文 所示的这些实施例， 任何人应该得知在本发明的启示下做出的结构变化， 凡是 与本发明具有相同或者相近似的技术方案， 均属于本发明的保护范围。

Claims

权利要求书
[权利要求 1] 一种 1500T扩径机， 其特征在于， 包括前冲洗装置、 扩径主机、 后冲 洗装置、 扩径横移车及导轨总成和钢管回转车及导轨总成， 所述前冲 洗装置又分为冲洗头装置、 集水罩装置和一组固定旋转辊， 钢管通过 固定旋转辊进行旋转， 冲洗头装置和集水罩装置都包含有车体； 所述 扩径主机， 包含夹持车总成、 固定旋转辊、 升降 V型辊、 扩径头总成 、 拉杆总成、 主油缸装置、 联动升降支撑辊装置、 升降主动支撑辊装 置、 主动支撑辊驱动装置、 随机校直装置和主机底座， 其中扩径头总 成、 拉杆总成、 主油缸装置、 联动升降支撑辊装置、 升降主动支撑辊 装置、 随机校直装置都安装于底座上， 所述夹持车总成前端带有夹钳 装置， 下部有 8个行走车轮， 后部有导向横梁； 所述后冲洗装置， 包 含 9套单独辊道、 2套升降辊道、 悬臂杆支撑托辊、 悬臂架装置、 悬臂 杆和挡管器， 辊道高度依次降低， 与水平线形成大约 0.5°的角度落差 ， 悬臂杆装与悬臂架装置上， 中间通过悬臂杆支撑托辊撑住， 角度也 约为 0.5°， 可根据管径大小上下调节； 所述扩径横移车及导轨总成， 主体为车体， 车体的两侧分别安装有车轮组件， 中间两侧为两组升降 机构， 升降机构上部为 V型托架， 车体中间带有 3组导向轮组件， 一 边带有齿轮， 导向轨道和齿条装于导轨基础上； 所述钢管回转车及导 轨总成， 回转车车体的两侧分别安装有车轮组件， 车体上装有回转支 撑和回转框架， 回转框架通过回转支撑可以 180°旋转， 回转框架上装 有升降油缸、 V型托架、 传送辊道和桥架。
[权利要求 2] 根据权利要求 1中所述的一种 1500T扩径机， 其特征在于： 所述前冲 洗装置中冲洗头装置的喷头有上下 2个， 且下面装有升降机。
[权利要求 3] 根据权利要求 1中所述的一种 1500T扩径机， 其特征在于： 所述扩径 主机中夹持车装置后部导向横梁采用 3套龙门式支撑架， 横梁和齿条 上下都有导向板， 通过夹持车行走驱动里面的定位圈和轴承套， 可以 全长定位导向。
[权利要求 4] 根据权利要求 1中所述的一种 1500T扩径机， 其特征在于： 所述后冲 洗装置中 2套升降辊道， 升降高度不一样， 工作吋升起辊道和 9套单独 辊道整体与水平线形成大约 0.5°的角度落差， 与悬臂杆角度一致； 悬 臂杆头部装有冲洗头， 两组冲洗头对应使用不同管径的钢管， 且冲洗 头有 2组喷射腔， 钢管进入吋， 冲洗头喷乳化液冲洗钢管内壁， 钢管 送出吋， 冲洗头喷清水冲洗钢管内壁； 中间有 2组支撑辊轮， 可随管 径的大小调节支撑辊轮的高度， 中间还有一套可升降的悬臂杆支撑托 辊， 无钢管吋可根据悬臂杆的高度支撑住悬臂杆使它不致下挠。
[权利要求 5] 根据权利要求 1中所述的一种 1500T扩径机， 其特征在于： 所述扩径 横移车及导轨总成中扩径横移车车体为整体式结构， 导向轮和齿轮装 于车体中间， 导向轨道和齿条装于中间的导轨基础上。
[权利要求 6] 根据权利要求 1中所述的一种 1500T扩径机， 其特征在于： 所述钢管 回转车及导轨总成中钢管回转车车体下带有车轮， 靠减速机带动整车 行走， 回转框架通过回转车托辊座于车体上， 回转支撑固定于车体上 ， 通过回转支撑， 回转框架可以 180°旋转， 回转框架上装有 3套单独 辊道和 2套举升架， 由于回转框架要比车体长， 回转框架两侧增加桥 架。
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