WO2012000218A1 - 液压缸顶升的钢包提升装置 - Google Patents

液压缸顶升的钢包提升装置 Download PDF

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Publication number
WO2012000218A1
WO2012000218A1 PCT/CN2010/076322 CN2010076322W WO2012000218A1 WO 2012000218 A1 WO2012000218 A1 WO 2012000218A1 CN 2010076322 W CN2010076322 W CN 2010076322W WO 2012000218 A1 WO2012000218 A1 WO 2012000218A1
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Prior art keywords
hook
ladle
lifting
hydraulic cylinder
frame
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PCT/CN2010/076322
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English (en)
French (fr)
Inventor
刘安
杨轶
Original Assignee
宝钢工程技术集团有限公司
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Publication of WO2012000218A1 publication Critical patent/WO2012000218A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks

Definitions

  • the utility model belongs to a metallurgical special machine, in particular to a ladle hydraulic lifting device for lifting a hydraulic cylinder. Background technique
  • the dip tube When the RH vacuum refining unit is subjected to molten steel refining, the dip tube needs to be inserted into the molten steel contained in the ladle. After the treatment, the dip tube is separated from the molten steel and ladle. A relative distance between the ladle and the dip tube is required.
  • most RH vacuum refining units use ladle jacking devices for jacking up and down. During processing, the ladle on the ladle is handled by lifting the ladle up by a hydraulic jacking device mounted below the processing station. After the treatment, the hydraulic jacking device descends and the ladle is lowered onto the ladle trolley.
  • the common ladle lifting equipment has the disadvantage that a deep pit of the installation equipment must be dug under each treatment position; the ladle trolley must stay in the processing position during the RH vacuum refining process, thus restricting the steelmaking process layout and ladle Turnaround; Since the ladle jacking device is installed in a deep pit below the processing position, the equipment may be damaged in the event of a steel leakage accident.
  • the hydraulic jacking device of the ladle has a complicated structure, high cost, difficulty in maintenance and maintenance, and has potential safety hazards.
  • Chinese Patent No. 200920208445.3 provides a ladle hydraulic lifting device that addresses some of the shortcomings of ladle hoisting equipment.
  • a ladle hydraulic lifting device has difficulty in installing and disassembling the hydraulic cylinder, and has a certain installation height requirement for the hydraulic cylinder, and needs to increase the height of the steel structure of the equipment.
  • the object of the present invention is to provide an improved ladle lifting device for lifting a hydraulic cylinder, which overcomes the shortcomings of the prior art described above, solves the problem of installation and disassembly of the hydraulic cylinder, and does not require an increase in equipment.
  • the height of the steel structure is to provide an improved ladle lifting device for lifting a hydraulic cylinder, which overcomes the shortcomings of the prior art described above, solves the problem of installation and disassembly of the hydraulic cylinder, and does not require an increase in equipment.
  • a ladle lifting device for lifting a hydraulic cylinder comprising a lifting frame, a hook and a hook device, a hydraulic cylinder, a guide frame and a mounting support;
  • the lifting frame is composed of a frame body and a guiding wheel.
  • the beam on both sides of the frame body is hinged and hooked at the center, and the two ends of the frame body beam are further provided with guiding wheels;
  • the hooks in the hook and the hook device are stacked by a plurality of steel plates to form a hook, and the pin is rotatably connected to the beam of the lifting frame, wherein the hook device is rotatably hinged with the hook to realize the hanging
  • the hook is combined with the ladle trunnion and disengaged;
  • the number of the hydraulic cylinders is four, one end of each hydraulic cylinder is connected with the mounting bracket, and the other end of each hydraulic cylinder is hinged with one end of the beam of the lifting frame;
  • the number of the mounting supports is four, which are respectively installed on the ground;
  • the guide frame is mounted on a fixed steel structure, and the guide wheels on the lifting frame move up and down along the guide frame.
  • the ladle hoisting device also includes a plurality of thermal protection devices mounted on the hot steel toasting portion of the ladle.
  • the heat insulation protection device is composed of a steel plate and a heat insulating material.
  • the hook device in the hook and hook device is an automatic hook mechanism that is mounted on the beam of the lifting frame.
  • the mounting bracket includes a support base and a connecting shaft pin.
  • the number of the support seats is four, and each of the support seats is provided with a connecting shaft pin hinged to one end of the hydraulic cylinder.
  • the ladle lifting device of the hydraulic cylinder of the present invention has the following advantages and beneficial effects:
  • the ladle lifting device of the hydraulic cylinder jacking has the advantages of simple structure, practicality, safe and reliable operation, low cost, simple installation and disassembly, and does not affect the design of the steel structure of the equipment.
  • the smooth movement of the ladle can be realized, the speed adjustment is convenient, and the ladle lifting operation can also be realized in the event of a power failure.
  • the ladle lifting device of the hydraulic cylinder jacking of the utility model By adopting the ladle lifting device of the hydraulic cylinder jacking of the utility model, the ladle car can be moved during the RH vacuum refining treatment of the molten steel, and the complete online mode of the converter tapping rail can be realized, and the ladle trolley can be omitted for waiting for the lifting time, which greatly saves
  • the large-scale driving operation rate of the converter tapping cross-section increases the production efficiency of the steel-making plant.
  • There is no equipment under the processing position which is convenient for accident handling and reduces safety hazards.
  • It is convenient to install and disassemble the hydraulic cylinder and it is not necessary to increase the height of the steel structure of the equipment.
  • FIG. 1 is a schematic structural view of a ladle lifting device of a hydraulic cylinder jacking according to the present invention.
  • FIG. 2 is a front elevational view of the embodiment of the ladle lifting device of the hydraulic cylinder jacking of the present invention.
  • 1 is a lifting frame, 101 is a frame body, 102 is a guiding wheel; 2 is a hook and a hook device, 201 is a hook, 202 is an automatic hook mechanism; 3 is a mounting bracket; 4 is a hydraulic cylinder, and 401 is a hydraulic cylinder; 5 is the guide frame; 6 is the heat insulation protection device.
  • the utility model provides a ladle lifting device for lifting a hydraulic cylinder, which is mainly composed of a lifting frame 1, a hook and a hook device 2, a hydraulic cylinder 4, a guide frame 5 and a mounting support 3.
  • the lifting frame 1 is composed of a frame body 101 and a guide wheel 102.
  • the center of the beam on both sides of the frame body 101 is hinged to the hook and the hook device 2.
  • the cross member central hinge plate hook 201 on both sides of the frame body 101, and the hook means are provided between the plate hook 201 and the frame cross member.
  • the guide wheels 102 are mounted at both ends of the beam of the frame body 101, and the guide wheels 102 are engaged with the guide frame 5.
  • the hooks in the hook and hook device 2 are stacked by a plurality of steel plates to form a hook 201, and the hook is connected to the beam of the lifting frame 1 through the pin shaft, and can be rotated; the hook device is hinged with the hook for rotating the crane Hook to achieve the coupling and disengagement of the hook and the ladle trunnion.
  • the hooking means is an automatic hooking mechanism 202 mounted on the beam of the frame body 101, and one end of the automatic hooking mechanism 202 is hinged to the plate hook 201.
  • the number of hydraulic cylinders 4 is four, and is composed of four hydraulic cylinders 401 and a set of hydraulic stations (not shown). One end of each hydraulic cylinder 401 is fixed to the mounting support 3, and the other end of each hydraulic cylinder 401 is hinged to one end of the beam of the frame body 101.
  • the number of mounting brackets 3 is four, which are respectively mounted on the floor of the workshop for fixing one end of the jacking cylinder 401.
  • the mounting bracket 3 is composed of a bearing base and a connecting shaft pin.
  • the number of the supporting seats is four, and each supporting seat is provided with a connecting shaft pin, and the connecting shaft pin is hinged to the end of the hydraulic cylinder 401.
  • the guide frame 5 is mounted on a fixed steel structure, and the guide wheels 102 on the lifting frame 1 can be moved up and down along the guide frame 5.
  • the ladle hoisting device of the utility model is also provided with a plurality of heat insulation protection devices 6, and the heat insulation protection device 6 is composed of a steel plate and a heat insulating material.
  • the heat insulation protection device 6 is composed of a steel plate and a heat insulating material.
  • the ladle lifting device of the hydraulic cylinder jacking of the utility model is used for realizing the lifting and lowering of the ladle during the RH vacuum refining process, and the working process is as follows:
  • the ladle that is ready to process the molten steel is transported by the ladle to the processing position.
  • the hydraulic lifting device disposed above the processing stowage cart uses a hooking device to connect the hook on the hydraulic lifting device to the ladle trunnion.
  • the lifting hydraulic cylinder mounted on the frame of the hydraulic lifting device moves, the piston rod is extended, and the hydraulic lifting device moves upward. At this time, the ladle prepared for processing the molten steel is lifted upward by the hook on the hydraulic lifting device.
  • the ladle is lifted upwards with the hydraulic lifting device and is continuously approaching the dip tube on the vacuum tank of the RH vacuum refining unit; after reaching the designated position, the hydraulic cylinder stops moving. At this time, the dip tube on the vacuum tank of the RH vacuum refining unit enters a certain depth of molten steel, and then RH vacuum refining treatment is started.
  • the relative position of the ladle and the dip tube can be adjusted according to the fluctuation of the molten steel level in the ladle, by the ascending and descending action of the hydraulic cylinder.
  • the ladle lifting device of the hydraulic cylinder of the utility model has the advantages of simple structure, safe and reliable operation, low cost, etc., the movement of the ladle is stable when moving, the speed adjustment is convenient, and the ladle lifting can also be realized in the event of a power failure.
  • the ladle lifting device of the utility model can reduce the safety hazard of the RH vacuum refining area, and save the RH vacuum refining process time; improve the process layout flexibility of the RH vacuum refining device and the steel making workshop; avoid deep pit construction, reduce Earthwork. It is convenient to install and disassemble the hydraulic cylinder, and it is not necessary to increase the height of the steel structure of the equipment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Description

液压缸顶升的钢包提升装置 技术领域
本实用新型属于冶金专用机械， 特别涉及一种液压缸顶升的钢包液压提升装 置。 背景技术
RH真空精炼装置在进行钢水精炼处理时， 浸渍管需要插入盛在钢包中的钢 液。 处理结束后， 浸渍管要脱离开钢液和钢包。 钢包和浸渍管间需要有一定距离 的相对运动。 目前， RH真空精炼装置大多数采用钢包顶升装置进行钢包顶升和下 降。 在处理时， 钢包车上的钢包， 由安装在处理位下方的液压顶升装置将钢包向 上顶起后进行处理。 处理结束后， 液压顶升装置下降， 将钢包降落至钢包台车 上。
常见的钢包顶升设备， 其缺点是必须在每个处理位下挖一个安装设备的深 坑； 在进行 RH真空精炼处理时钢包台车必须停留在处理位置， 因此制约了炼钢工 艺布置和钢包周转； 由于钢包顶升装置安装在处理位下方的深坑内， 当出现漏钢 事故时可能会损坏设备。 这种钢包的液压顶升装置结构复杂， 造价高， 维修、 保 养困难， 存在有安全隐患。
中国专利号 200920208445.3提供了一种钢包液压提升装置， 它解决了钢包顶 升设备存在的一些缺点。 但是这种钢包液压提升装置存在着提升液压缸安装拆卸 困难， 提升液压缸有一定的安装高度要求， 需要增加设备钢结构的高度等问题。
发明内容
针对以上问题， 本实用新型的任务是提供一种改进的液压缸顶升的钢包提升 装置， 它克服了上述现有技术所存在的缺点， 解决了液压缸安装拆卸的问题， 且 不需要增加设备钢结构的高度。
本实用新型的技术解决方案如下：
一种液压缸顶升的钢包提升装置， 包括提升框架、 吊钩及挂钩装置、 液压缸 、 导向架以及安装支座； 所述提升框架由框架本体和导向轮组成， 框架本体两侧的横梁中央铰接吊钩 及挂钩装置， 框架本体横梁的两端还装有导向轮；
所述吊钩及挂钩装置中的吊钩由多层钢板相叠而构成板钩， 通过销轴与提升 框架的横梁实现可转动的连接， 其中的挂钩装置可转动地与吊钩铰接以实现吊钩 与钢包耳轴的结合和脱开；
所述液压缸的数量为四个， 每个液压缸的一端与安装支座连接， 每个液压缸 的另一端与提升框架的横梁一端铰接；
所述安装支座的数量为四个， 分别安装在地面基础上；
所述导向架安装在固定的钢结构上， 提升框架上的导向轮沿导向架上下运 动。
所述钢包提升装置还包括数个安装在易受钢包中炽热钢水烘烤部位的隔热防 护装置。
所述隔热防护装置由钢板和隔热材料组成。
所述吊钩及挂钩装置中的挂钩装置为自动挂钩机构， 安装在提升框架的横梁 上。
所述安装支座包括支承座和连接轴销， 支承座的数量为四个， 每个支承座上 装有与液压缸一端铰接的连接轴销。
本实用新型的液压缸顶升的钢包提升装置与现有技术相比， 具有以下优点和 有益的效果：
本液压缸顶升的钢包提升装置具有结构简单、 实用， 运行安全可靠， 造价 低， 安装拆卸简单， 不影响设备钢结构的设计等优点。 可以实现钢包升降的平稳 运动， 速度调整方便， 停电事故时也能实现钢包升降操作。
采用本实用新型的液压缸顶升的钢包提升装置， 在钢水进行 RH真空精炼处理 时钢包车可以移动， 可以实现转炉出钢轨道完全在线模式， 可省略钢包台车进出 等待吊运时间， 大大节省转炉出钢跨的大型行车作业率， 提高炼钢厂生产效率。 另外， 可不必建造深坑， 减少土方作业量。 处理位下方没有设备， 便于事故处 理， 减少安全隐患。 液压缸安装和拆卸较为方便， 也不需要增加设备钢结构的高 度。 附图概述 本发明的具体特征、 性能由以下的实施例及其附图进一步给出。
图 1是本实用新型的一种液压缸顶升的钢包提升装置的结构示意图。
图 2是本实用新型的液压缸顶升的钢包提升装置实施例的主视图。
图中标记：
1为提升框架， 101为框架本体， 102为导向轮； 2为吊钩及挂钩装置， 201为 板钩， 202为自动挂钩机构； 3为安装支座； 4为液压缸， 401为液压缸； 5为导向 架； 6为隔热防护装置。 本发明的最佳实施方式
下面结合附图并通过一个较佳实施例对本实用新型作进一步的说明。
参看图 1和图 2， 本实用新型提供一种液压缸顶升的钢包提升装置， 它主要由 提升框架 1、 吊钩及挂钩装置 2、 液压缸 4、 导向架 5以及安装支座 3组成。
提升框架 1由框架本体 101和导向轮 102组成。 框架本体 101两侧的横梁中央铰 接吊钩及挂钩装置 2。 具体地说， 框架本体 101两侧的横梁中央铰接板钩 201， 板钩 201与框架横梁之间设置挂钩装置。 导向轮 102安装在框架本体 101的横梁两端， 导 向轮 102与导向架 5相配合。
吊钩及挂钩装置 2中的吊钩由多层钢板相叠而构成板钩 201， 吊钩通过销轴与 提升框架 1的横梁连接， 且可以转动； 挂钩装置与吊钩铰接， 用于转动吊钩， 以实 现吊钩与钢包耳轴的结合和脱开。 如图 2中所示， 挂钩装置为自动挂钩机构 202， 安装在框架本体 101的横梁上， 自动挂钩机构 202的一端与板钩 201铰接。
液压缸 4的数量为四个， 由四个液压缸 401和一套液压站 （图中未示出） 组 成。 每个液压缸 401的一端固定在安装支座 3上， 每个液压缸 401的另一端与框架本 体 101的横梁一端铰接。
安装支座 3的数量为四个， 分别安装在车间地面基础上， 用于固定顶升液压 缸 401的一端。 安装支座 3由支承座和连接轴销组成， 支承座的数量为四个， 每个 支承座上装有连接轴销， 连接轴销与液压缸 401—端铰接。
导向架 5安装在固定的钢结构上， 提升框架 1上的导向轮 102可以沿着导向架 5 上下运动。
本实用新型的钢包提升装置还装有数个隔热防护装置 6， 隔热防护装置 6由钢 板和隔热材料组成。 数个隔热防护装置 6安装在钢包提升装置易受钢包中炽热钢水 烘烤的部位， 可起到保护作用。
本实用新型的液压缸顶升的钢包提升装置用来实现在 RH真空精炼处理时钢包 的提升和下降， 其工作过程如下：
1、 盛有准备进行处理钢水的钢包由钢包车载运到处理位， 布置在处理位钢 包车上方的液压提升装置使用挂钩装置， 将液压提升装置上的吊钩与钢包耳轴连 接。
2、 装在液压提升装置框架上的提升液压缸动作， 活塞杆伸长， 液压提升装 置向上运动， 此时， 盛有准备进行处理钢水的钢包由液压提升装置上的吊钩向上 提升。
3、 钢包随液压提升装置向上提升， 不断接近 RH真空精炼装置真空槽上的浸 渍管； 到达指定位置后， 液压缸停止运动。 此时， RH真空精炼装置真空槽上的浸 渍管进入钢水一定深度， 然后开始 RH真空精炼处理。
4、 在 RH真空精炼处理过程中， 可以根据钢包中钢水液面的波动， 通过液压 缸的上升和下降动作来调整钢包与浸渍管相对位置。
5、 经过一段时间， RH真空精炼处理完毕后， 液压缸活塞杆下落， 钢包随液 压提升装置下落， 直至将钢包放置在钢包车上， 提升液压缸停止运动。 挂钩装置 将液压提升装置上的吊钩与钢包耳轴脱开， 此时钢包车载运经过处理后的钢水离 开处理工位。 至此完成一个 RH真空精炼周期。
综上所述， 本实用新型的液压缸顶升的钢包提升装置具有设备结构简单、 运 行安全可靠、 造价低等优点， 钢包升降时运动平稳， 速度调整方便， 停电事故时 也能实现钢包升降。
采用本实用新型的钢包提升装置， 可减少 RH真空精炼区域的安全隐患， 同时 节约 RH真空精炼工序时间； 提高 RH真空精炼装置和炼钢车间的工艺布置灵活 性； 避免建造较深的坑， 减少土方作业。 液压缸安装拆卸较为方便， 也不需要增 加设备钢结构的高度。
当然， 本技术领域内的一般技术人员应当认识到， 上述实施例仅是用来说明 本实用新型， 而并非用作对本实用新型的限定， 只要在本实用新型的实质精神范 围内， 对上述实施例的变换、 变型都将落在本实用新型权利要求的范围内。

Claims

权利要求
1 . 一种液压缸顶升的钢包提升装置， 包括提升框架、 吊钩及挂钩装置、 液 压缸、 导向架以及安装支座；
所述提升框架由框架本体和导向轮组成， 框架本体两侧的横梁中央铰接吊钩 及挂钩装置， 框架本体横梁的两端还装有导向轮；
所述吊钩及挂钩装置中的吊钩由多层钢板相叠而构成板钩， 通过销轴与提升 框架的横梁实现可转动的连接， 其中的挂钩装置可转动地与吊钩铰接以实现吊钩 与钢包耳轴的结合和脱开；
所述液压缸的数量为四个， 每个液压缸的一端与安装支座连接， 每个液压缸 的另一端与提升框架的横梁一端铰接；
所述安装支座的数量为四个， 分别安装在地面基础上；
所述导向架安装在固定的钢结构上， 提升框架上的导向轮沿导向架上下运 动。
2. 根据权利要求 1所述的液压缸顶升的钢包提升装置， 其特征在于， 所述钢 包提升装置还包括数个安装在易受钢包中炽热钢水烘烤部位的隔热防护装置。
3. 根据权利要求 2所述的液压缸顶升的钢包提升装置， 其特征在于， 所述隔 热防护装置由钢板和隔热材料组成。
4. 根据权利要求 1所述的液压缸顶升的钢包提升装置， 其特征在于， 所述吊 钩及挂钩装置中的挂钩装置为自动挂钩机构， 安装在提升框架的横梁上。
5. 根据权利要求 1所述的液压缸顶升的钢包提升装置， 其特征在于， 所述安 装支座包括支承座和连接轴销， 支承座的数量为四个， 每个支承座上装有与液压 缸一端铰接的连接轴销。
PCT/CN2010/076322 2010-07-01 2010-08-25 液压缸顶升的钢包提升装置 WO2012000218A1 (zh)

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