WO2011069395A1 - 一种四点连杆机构转炉炉壳和托圈的联接装置 - Google Patents

一种四点连杆机构转炉炉壳和托圈的联接装置 Download PDF

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WO2011069395A1
WO2011069395A1 PCT/CN2010/078178 CN2010078178W WO2011069395A1 WO 2011069395 A1 WO2011069395 A1 WO 2011069395A1 CN 2010078178 W CN2010078178 W CN 2010078178W WO 2011069395 A1 WO2011069395 A1 WO 2011069395A1
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support ring
ring
support
furnace
seat
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English (en)
French (fr)
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黄其明
王翔
徐杰
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CISDI Engineering Co Ltd
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CISDI Engineering Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/50—Tilting mechanisms for converters
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4633—Supporting means

Definitions

  • the invention belongs to the technical field of mechanical equipment, and discloses a coupling device for a four-point linkage mechanism converter shell and a support ring.
  • a coupling device for the furnace shell and the support ring which is installed between the furnace shell and the support ring of the converter device for supporting or hanging the furnace shell on the support ring for bearing various loads during the rotation of the converter , the relative deformation between the furnace shell and the support ring.
  • converter housings and bracket coupling devices at home and abroad such as three-point double-spherical support, steel rope hanging, three-point flange connection.
  • the most used in China is the three-point double spherical support structure (Nippon Steel) or the three-link hanging type and the block combination form.
  • the sliding amount has a great negative impact on the quality of the converter, mainly: the converter is in the process of tapping and slag pouring during the operation, and abnormal noise and impact are generated when the slag is restored to the upright position. It is harmful to the converter.
  • the converter can be solved by enhancing the stiffness of the converter coupling system, but the finite element analysis also shows that the improvement effect is limited by increasing the height of the bracket.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a coupling device for a four-point linkage mechanism converter shell and a support ring.
  • the device can absorb the relative deformation in various directions between the furnace shell and the support ring, and has good system coupling rigidity, can effectively reduce the upper and lower elastic turbulence between the furnace body and the support ring, and the furnace body during the tilting process
  • the swing of the support ring reduces the noise and impact of the converter during operation, and the reliability of each moving member.
  • the system is convenient in manufacturing and processing, convenient and quick to load and unload, improve the operation safety of the converter, improve the reliability of the equipment and reduce the maintenance cost. It is an ideal converter coupling device for the steel ring and the furnace shell of the steelmaking converter.
  • the invention comprises a support ring and a furnace shell, wherein the four sets of link mechanisms are symmetrically distributed at an angle to the axis of the support ring trunnion, the support ring and the furnace shell are coupled, and the two upper stop mechanisms are They are respectively installed on the side of the trunnion of the support ring, and the two lower stop mechanisms are respectively installed under the trunnion side of the support ring, and one or two sets of guide seats are installed above or below the middle of the support ring, and at least one set of guides is installed. seat.
  • the angle between the lifting point of each link mechanism and the axis of the support ring is 15 ⁇ 60°, and the smaller the angle is, the better the system stiffness is.
  • the lower block since the lower block is to be installed on the trunnion side, the lower block must be left. The installation space of the seat.
  • the connecting rod mechanism can adopt a universal joint method of a joint bearing at both ends of the connecting rod, the pin shaft passes through the joint bearing and the lifting lug of the furnace shell and the lifting lug of the bracket, the lifting lug of the furnace shell is welded on the furnace shell, and the hanging ring is hung The ear is welded on the bracket.
  • the link mechanism can also adopt a universal joint method in which a crosshead and a joint bearing are combined.
  • the upper block mechanism of the coupling device is mounted on the upper side of the trunnion of the ring body of the ring, the shell seat of each upper block mechanism is welded on the furnace shell, and the two ring retaining seats are welded on the bracket, the furnace
  • the housing and the two bracket upper seats can be surface-contacted by the support pad.
  • the lower seat mechanism of the coupling device is mounted on the lower side of the trunnion of the ring body of the ring, the shell seat of each lower block mechanism is welded on the furnace shell, and the two ring retaining seats are welded on the bracket, the furnace
  • the housing and the two lower ring seats can be surface-contacted by the support pad.
  • the upper stop mechanism and the lower stop mechanism on the support ring and the furnace shell are very important. If only the upper stop mechanism or only the lower stop mechanism, the load of the stop during the rotation of the converter will increase. Large, while the converter turns 90 ° The relative deformation of the furnace shell and the support ring will also increase, which will increase the sliding and load of the mechanical parts inside the link mechanism, and reduce the reliability and life of the link mechanism.
  • the upper block mechanism and the lower block mechanism should be mounted on the trunnion side of the support ring, which is in accordance with the mechanical principle, and the rigidity of the converter coupling device is good.
  • the converter coupling device can reduce the manufacturing cost of the equipment, improve the operation safety of the converter, improve the reliability of the equipment, and reduce maintenance. It is the ideal converter connection hanging device.
  • Figure 1 is a front elevational view of the converter coupling device of the present invention.
  • Figure 2 is a cross-sectional view of the link mechanism of the present invention.
  • Figure 3 is a side elevational view of the converter coupling device of the present invention.
  • Figure 4 is a top plan view of the converter coupling device of the present invention.
  • Fig. 5 is a view showing an embodiment in which the link mechanism of the present invention is combined with a crosshead and a joint bearing.
  • the piece l is a support ring (1a is a ring body, lb is a trunnion, lc is a long trunnion), the piece 2 is a furnace shell, and the piece 3 is a link mechanism (3a is a connecting rod, 3b is a joint bearing, 3c)
  • 3a is a connecting rod
  • 3b is a joint bearing
  • 3c For the pin shaft, 3d is the furnace shell lifting lug, 3e is the lifting ring lifting lug), and the part 4 is the upper blocking seat mechanism (4a is the upper furnace shell seat, 4b is the bracket upper block seat, 4c is the block seat support pad)
  • the member 5 is a lower seat mechanism (5a is a lower furnace seat, 5b is a lower ring seat, 5c is a seat support pad, 5d is a furnace support pad), and the member 6 is a guide seat.
  • the angle A between the lifting point of the four sets of link mechanisms 3 and the axis of the support ring is 35°, and is symmetrically distributed with the axis of the trunnion 1b and the long trunnion lc of the support ring l, and the furnace body 2 and the support Circle l is connected.
  • the two upper block mechanisms 4 are respectively mounted on the ring body la of the support ring l near the trunnion 1b and the long trunnion lc side
  • the two lower block mechanisms 5 are respectively mounted on the ring body la of the support ring 1 near the trunnion
  • a lower side of the lb and long trunnion lc side is mounted with a set of guide seats 6 below the middle of the support ring l.
  • the link mechanism 3 can adopt a universal joint method in which the joint bearing 3b is attached at both ends of the connecting rod 3a.
  • the pin shaft 3c passes through the joint bearing 2b and the furnace shell lifting lug 3d and the bracket lifting lug 3e, and the furnace shell lifting luer 3d is welded.
  • the support eye 3e is welded to the support ring 1.
  • the link mechanism 3 can also adopt a universal joint method in which a crosshead and a joint bearing are combined.
  • Two upper stop mechanisms 4 are mounted above the ring body la of the support ring l above the trunnion lb and the long trunnion lc, respectively, and the upper furnace seat 4a of each upper stop mechanism 4 is welded to the furnace shell 2, the two support ring upper seats 4b are welded on the ring body la of the support ring 1, and the upper furnace shell seat 4a and the two support ring upper block seats 4b are supported by the support pad 4c in surface contact.
  • Two lower block mechanisms 5 are mounted below the ring body la of the ring l, below the trunnion 1b and the long trunnion lc, respectively, and the lower shell 5a of each lower block mechanism 5 is welded to the shell 2, the two support ring lower seats 5b are welded on the ring body la of the support ring 1, and the lower furnace shell seat 5a and the two support ring lower block seats 5b are supported in surface contact by the support pad 5c.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Description

一种四点连杆机构转炉炉壳和托圈的联接装置 技术领域
本发明属于机械设备技术领域，公开了一种四点连杆机构转炉炉壳和托圈的联接装置。
 背景技术
转炉设备炉壳和托圈的联接装置，它安装在转炉设备的炉壳和托圈之间，用于把炉壳支撑或吊挂在托圈上，用于承受转炉转动过程中的各种载荷，吸收炉壳和托圈之间的相对变形。目前国内外转炉设备炉壳和托圈联接装置的种类较多，如三点双球面支撑式，钢绳吊挂式，三点法兰联接等。目前国内使用最多的是三点双球面支撑结构(新日铁)或三连杆吊挂式与挡座组合形式，实际使用过程中发现，无论任何形式的三点吊挂，由于三吊点中的一个必须安装在托圈环体的中部，造成转炉托圈中部的扰度较大，转炉在360 ° 翻转过程中，炉体和托圈之间会产生较大的上下弹性窜动，造成挡座接触支撑面在重载下发生较大的滑动，这种滑动对大型转炉尤为明显，理论分析和实际测定均表明对大型转炉该滑动量达12～15mm。该滑动量对转炉的品质带来了较大的负面影响，主要有：转炉在运转过程中在出钢后期和倒渣过程，及在倒渣过程恢复直立位时会发出异响和冲击，这对转炉是有害的。当然可以通过增强转炉联接系统的刚度来解决，但有限元分析也表明，单靠增加托圈的高度，其改善效果有限。
 发明内容
本发明的目的在于克服现有技术的不足，提供一种四点连杆机构转炉炉壳和托圈的联接装置。该装置可吸收炉壳和托圈之间的各方向的相对变形，同时具有良好的系统联接刚度，能有效减少炉体和托圈之间的上下弹性窜动和倾动过程中的炉体相对于托圈的摆动，降低转炉在运转过程中发出异响和冲击，通过各运动构件的可靠性。该系统制造加工便利，装卸方便快捷，提高转炉的运行安全性；提高设备的可靠性，减少维护费用，是炼钢转炉托圈和炉壳的理想转炉联接装置。
本发明通过如下方式实现：本发明包括托圈和炉壳，其特征在于四组连杆机构按一定角度以托圈耳轴轴线对称分布，把托圈和炉壳联接，两个上挡座机构分别安装在托圈耳轴侧的上方，两个下挡座机构分别安装在托圈耳轴侧的下方，托圈中部的上方或下方安装有l～2组导向座，至少安装有1组导向座。每个连杆机构吊点与托圈轴线的夹角范围为15～60°，且夹角越小，系统刚度越好，但由于耳轴侧要安装有下挡座，故必须留出下挡座的安装空间。
连杆机构可采用的一个连杆两端装关节轴承的万向联接方式，销轴穿过关节轴承和炉壳吊耳和托圈吊耳，炉壳吊耳焊接在炉壳上，托圈吊耳焊接在托圈上。连杆机构也可采用十字头与关节轴承组合成的万向联接方式。
联接装置的上挡座机构安装在托圈环体的上方两耳轴侧，每个上挡座机构中的炉壳座焊接在炉壳上，两个托圈挡座焊接在托圈上，炉壳座和两个托圈上挡座通过支撑垫板可以面接触支撑。
联接装置的下挡座机构安装在托圈环体的下方两耳轴侧，每个下挡座机构中的炉壳座焊接在炉壳上，两个托圈挡座焊接在托圈上，炉壳座和两个托圈下挡座通过支撑垫板可以面接触支撑。
在本装置中托圈和炉壳上的上挡座机构和下挡座机构都是非常重要的，如果只有上挡座机构或只有下挡座机构，转炉在转动过程中挡座的载荷会加大，同时转炉转90 ° 时炉壳和托圈的相对变形也会加大，这会增加连杆机构内部机械零件的滑动和载荷，降低连杆机构的可靠性和寿命。
上挡座机构和下挡座机构应当安装在靠托圈耳轴侧，这符合力学原理，转炉联接装置的刚度较好。
本联接装置炉壳座和托圈之间有一个支撑垫板，下炉壳座和托圈通过支撑垫板可以面接触支撑，在转炉使用过程中调整该间隙，可更有效地降低挡座间的摩擦，可完全消除转炉的异响和冲击，使转炉联接装置长期免维护。
本转炉联接装置能降低设备制造成本，提高转炉的运行安全性；提高设备的可靠性，减少维护。是理想的转炉连接吊挂装置。
 附图说明
图l是本发明的转炉联接装置主视图。
图2是本发明的连杆机构剖视图。
图3是本发明的转炉联接装置侧视图。
图4是本发明的转炉联接装置俯视图。
图5是本发明连杆机构采用十字头与关节轴承组合实施例。
图中，件l为托圈(1a为环体、lb为耳轴、lc为长耳轴)、件2为炉壳、件3为连杆机构(3a为连杆、3b为关节轴承、3c为销轴、3d为炉壳吊耳、3e为托圈吊耳)、件4为上挡座机构(4a为上炉壳座、4b为托圈上挡座、4c为挡座支撑垫板)、件5为下挡座机构(5a为下炉壳座、5b为托圈下挡座、5c为挡座支撑垫板、5d为炉体支撑垫板)、件6为导向座。
 本发明的实施方式
下面结合附图对本发明的具体实施例作进一步说明：
如图所示：四组连杆机构3吊点与托圈轴线的夹角A的范围为35°，以托圈l的耳轴lb和长耳轴lc轴线对称分布，把炉体2和托圈l联接。两个上挡座机构4分别安装在托圈l的环体la靠近耳轴lb、长耳轴lc侧的上方，两个下挡座机构5分别安装在托圈1的环体la靠近耳轴lb、长耳轴lc侧的下方，托圈l中部的下方安装一组导向座6。
连杆机构3可采用一个连杆3a两端装关节轴承3b的万向联接方式，销轴3c穿过关节轴承2b和炉壳吊耳3d和托圈吊耳3e，炉壳吊耳3d焊接在炉壳2上，托圈吊耳3e焊接在托圈1上。连杆机构3也可采用十字头与关节轴承组合成的万向联接方式。
两个上挡座机构4安装在托圈l的环体la的上方，分别在耳轴lb和长耳轴lc的上方，每个上挡座机构4中的上炉壳座4a焊接在炉壳2上，两个托圈上挡座4b焊接在托圈1的环体la上，上炉壳座4a和两个托圈上挡座4b通过支撑垫板4c可以面接触支撑。
两个下挡座机构5安装在托圈l的环体la的下方，分别在耳轴lb和长耳轴lc的下方，每个下挡座机构5中的下炉壳座5a焊接在炉壳2上，两个托圈下挡座5b焊接在托圈1的环体la上，下炉壳座5a和两个托圈下挡座5b通过支撑垫板5c可以面接触支撑。
下炉壳座5a和托圈1的环体la之间有一个支撑垫板5d，转炉倒转180 ° 时，下炉壳座5a和托圈1通过支撑垫板5d可以面接触支撑，可更有效地降低各个挡座间的摩擦，可完全消除转炉的异响和冲击，使转炉联接装置长期免维护。

Claims (7)

  1. 一种四点连杆机构转炉炉壳和托圈的联接装置，包括托圈(1)和炉壳(2)，其特征在于：四组连杆机构(3)按角度A以托圈耳轴轴线对称分布，把托圈(1)和炉壳(2)联接，两组上挡座机构(4)分别安装在托圈(1)耳轴侧的上方，两组下挡座机构(5)分别安装在托圈(1)耳轴侧的下方，托圈(1)中部的上方或下方至少有一组导向座(6)。
  2. 根据权利要求1所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的连杆机构(3)的连杆(3a)的两端装关节轴承(3b)，销轴(3c)穿过关节轴承(3b)、炉壳吊耳(3d)和托圈吊耳(3e)，炉壳吊耳(3d)焊接在炉壳上，托圈吊耳(3e)焊接在托圈(1)上。
  3. 根据权利要求1所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的上挡座机构(4)安装在托圈(1)的环体(1a)的上方两耳轴侧，上挡座机构(4)中的上炉壳座(4a)焊接在炉壳(2)上，托圈上挡座(4b)焊接在托圈(1)的环体(1a)上，上炉壳座(4a)和托圈上挡座(4b)通过支撑垫板(4c)面接触支撑。
  4. 根据权利要求1所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的下挡座机构(5)安装在托圈环体(1a)的下方两耳轴侧，下挡座(5)的下炉壳座(5a)焊接在炉壳(2)上，托圈下挡座(5b)焊接在托圈(1)的环体(1a)上，下炉壳座(5a)和托圈下挡座(5b)通过支撑垫板(5c)面接触支撑。
  5. 根据权利要求4所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的下炉壳座(5a)和托圈(1)的环体(1a)之间有一个炉体支撑垫板(5d)，下炉壳座(5a)和托圈(1)通过炉体支撑垫板(5d)面接触支撑。
  6. 根据权利要求1所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的角度A以托圈耳轴轴线对称分布为15～60°。
  7. 根据权利要求1所述的四点连杆机构转炉炉壳和托圈的联接装置，其特征在于：所述的连杆机构(3)采用十字头与关节轴承组合成的万向联接方式。
PCT/CN2010/078178 2009-12-11 2010-10-28 一种四点连杆机构转炉炉壳和托圈的联接装置 Ceased WO2011069395A1 (zh)

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CN102305562A (zh) * 2011-09-08 2012-01-04 北京京诚科林环保科技有限公司 整体式热管烟温调节器
EP2607501A1 (de) 2011-12-19 2013-06-26 Siemens VAI Metals Technologies GmbH Kippbarer Konverter
ITMI20130199A1 (it) * 2013-02-12 2014-08-13 Danieli Off Mecc Convertitore ribaltabile
CN104924090A (zh) * 2015-07-06 2015-09-23 天津赛瑞机器设备有限公司 托圈的制造工艺
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JP2024520227A (ja) * 2021-06-16 2024-05-23 シーアイエスディーアイ エンジニアリング カンパニー リミテッド 転炉自己適応懸架構造

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CN102305562A (zh) * 2011-09-08 2012-01-04 北京京诚科林环保科技有限公司 整体式热管烟温调节器
EP2607501A1 (de) 2011-12-19 2013-06-26 Siemens VAI Metals Technologies GmbH Kippbarer Konverter
WO2013092108A1 (de) 2011-12-19 2013-06-27 Siemens Vai Metals Technologies Gmbh Kippbarer konverter
RU2614225C2 (ru) * 2013-02-12 2017-03-23 ДАНИЕЛИ И КО ОФФИЧИНЕ МЕККАНИКЕ С.п.А. Наклоняемый конвертер
WO2014124963A1 (en) 2013-02-12 2014-08-21 Danieli & C. Officine Meccaniche S.P.A. Tilting converter
ITMI20130199A1 (it) * 2013-02-12 2014-08-13 Danieli Off Mecc Convertitore ribaltabile
CN104924090A (zh) * 2015-07-06 2015-09-23 天津赛瑞机器设备有限公司 托圈的制造工艺
CN104924090B (zh) * 2015-07-06 2018-01-12 天津赛瑞机器设备有限公司 托圈的制造工艺
CN109182645A (zh) * 2018-11-28 2019-01-11 中冶南方工程技术有限公司 转炉改造用球铰滑杆连接装置连接盘
CN109182645B (zh) * 2018-11-28 2023-11-21 中冶南方工程技术有限公司 转炉改造用球铰滑杆连接装置的连接盘
CN112646949A (zh) * 2020-11-10 2021-04-13 黄涛 一种炼钢炉全角度倾动减小炉体冲击力机构
JP2024520227A (ja) * 2021-06-16 2024-05-23 シーアイエスディーアイ エンジニアリング カンパニー リミテッド 転炉自己適応懸架構造
JP7770095B2 (ja) 2021-06-16 2025-11-14 シーアイエスディーアイ エンジニアリング カンパニー リミテッド 転炉自己適応懸架構造
CN114622057A (zh) * 2022-04-11 2022-06-14 四川罡宸不锈钢有限责任公司 一种便于炉体更换的托圈
CN114622057B (zh) * 2022-04-11 2024-06-04 四川罡宸不锈钢有限责任公司 一种便于炉体更换的托圈

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