WO2020037987A1 - 一种球罐内部定检用液压载人装置 - Google Patents

一种球罐内部定检用液压载人装置 Download PDF

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Publication number
WO2020037987A1
WO2020037987A1 PCT/CN2019/080789 CN2019080789W WO2020037987A1 WO 2020037987 A1 WO2020037987 A1 WO 2020037987A1 CN 2019080789 W CN2019080789 W CN 2019080789W WO 2020037987 A1 WO2020037987 A1 WO 2020037987A1
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hydraulic
arm
longitudinal
hydraulic telescopic
telescopic arm
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PCT/CN2019/080789
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English (en)
French (fr)
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由宏新
刘召
王泽武
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大连理工大学
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Publication of WO2020037987A1 publication Critical patent/WO2020037987A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers

Definitions

  • the invention relates to a hydraulic human carrying device for the internal inspection of a spherical tank, and belongs to the technical field of industrial special inspection equipment.
  • Spherical tanks are usually used to transport and store various liquid media such as liquid oxygen and liquefied petroleum gas, or gaseous media such as nitrogen and oxygen. Among these media, there are many flammable, explosive, toxic and corrosive substances. Spherical tanks in chemical plants are often arranged in groups. When a spherical tank is damaged, it is likely to affect the surrounding spherical tanks and cause huge dangerous accidents. Therefore, it is important and necessary to regularly inspect the spherical tank.
  • Patent 200920289372.5 introduces a freely moving spherical tank inspection joint working platform.
  • the main body includes a main truss arm, a top support arm, a lower support, an electrical control system and a movable independent working platform mechanism. Due to the possible presence of flammable and explosive gases in the spherical tank, the use of electrical control systems may be dangerous; at the same time, due to the complex support structure and the large number of parts, it is not easy to quickly and safely disassemble; the working platform has a limited detection range, and there are dead angles for detection.
  • Patent 201710358649.4 introduces a hydraulic manned device for internal fixed inspection for spherical tank inspection.
  • the main body includes a column, a hydraulic telescopic boom, a table, a hydraulic station, a column rotation mechanism, and a boom adjustment mechanism.
  • the hydraulic structure of the device is complicated, and no dead angle detection is possible.
  • Patent 201720881272.6 introduces a working platform for the internal inspection of spherical tanks.
  • the main body includes a bottom support platform, a central support column, a slewing support platform, a top slewing platform and a lifting traction device.
  • the structure of the upper and lower manholes of the ball tank needs to be arranged, which is relatively tedious to install; the structure at the lower manholes will affect the transportation of equipment and personnel in and out, and cannot be rescued quickly in the event of an accident; Limited by the structure itself, no dead angle detection is possible.
  • the present invention provides a hydraulic manned device for the internal inspection of spherical tanks.
  • the device should have a simple structure, convenient disassembly and assembly, reasonable structural arrangement, and no dead corners for detection. Can improve work efficiency.
  • a hydraulic human carrying device for the internal inspection of a spherical tank which comprises a longitudinal hydraulic telescopic arm, a transverse hydraulic telescopic arm, a connecting arm, a manned basket, a hydraulic station, A slewing mechanism and a hydraulic winch, a first hydraulic oil cylinder and a first sprocket chain are installed in the arm of the longitudinal hydraulic telescopic arm, so as to realize the simultaneous expansion and contraction of multiple longitudinal hydraulic arms;
  • the upper end of the longitudinal hydraulic telescopic arm is connected to an upper connecting arm, The lower end is connected with the connecting arm through a first hinge, and the connecting arm is connected with the horizontal hydraulic telescopic arm through a second hinge;
  • a second hydraulic cylinder and a second sprocket chain are installed in the arm of the horizontal hydraulic telescopic arm, thereby realizing multi-section horizontal hydraulic pressure
  • the arms are synchronously telescopic, and a manned basket is installed at the cantilever end of the lateral
  • the longitudinal hydraulic telescopic arm adopts a three-section longitudinal hydraulic arm structure, and one of the longitudinal hydraulic arms is driven by a first hydraulic oil cylinder, which drives the other two sections of the longitudinal hydraulic arms connected by the first sprocket chain to synchronously expand and contract.
  • the transverse hydraulic telescopic arm adopts a three-section transverse hydraulic arm structure, and one of the transverse hydraulic arms is driven by a second hydraulic oil cylinder, which drives the other two transverse hydraulic arms connected by a second sprocket chain to synchronously expand and contract.
  • the manned basket is hung on the cantilever end of the horizontal hydraulic telescopic arm through a chute mechanism, and the pin on the manned basket is matched with a 190-200 ° arc-shaped chute on the hanging plate.
  • the hydraulic manned device for internal inspection of the spherical tank includes a longitudinal hydraulic telescopic arm, a lateral hydraulic telescopic arm, a connecting arm, a manned basket, a hydraulic station, a longitudinal turning mechanism, and Hydraulic winch.
  • Longitudinal / horizontal hydraulic telescopic booms are equipped with hydraulic cylinders and sprocket chains to realize the simultaneous expansion and contraction of multiple hydraulic booms.
  • the longitudinal slewing mechanism drives the horizontal hydraulic telescopic arm to rotate 360 ° in a circumferential direction through the upper connecting arm, the longitudinal hydraulic telescopic arm and the connecting arm.
  • the hydraulic winch is retracted through the wire rope connected to the manned basket and the guide wheel inside the upper connecting arm.
  • the steel wire rope realizes a horizontal hydraulic telescopic arm and a connecting arm to make a 180 ° meridional rotation around the hinge.
  • the detection device can realize horizontal, vertical, multi-directional and large-area detection work inside the spherical tank, and is simple to install and convenient to use. While improving the internal safety detection of the spherical tank, it also improves work efficiency.
  • FIG. 1 is a structural diagram of a horizontal hydraulic telescopic boom and a vertical hydraulic telescopic boom that are perpendicular to each other.
  • FIG. 2 is a state diagram in which the passenger basket is raised to the highest position.
  • Fig. 3 is a state diagram in which the passenger basket is lowered to a certain position.
  • FIG. 4 is an enlarged view of F in FIG. 1.
  • FIG. 5 is an enlarged view of G in FIG. 1.
  • FIG. 6 is an enlarged view of H in FIG. 2.
  • FIG. 7 is an enlarged view of I in FIG. 2.
  • FIG. 8 is an enlarged view of J in FIG. 3.
  • FIG. 9 is an enlarged view of K in FIG. 3.
  • FIGS 1, 4, and 5 show structural diagrams in which the horizontal hydraulic telescopic boom and the vertical hydraulic telescopic boom are perpendicular to each other.
  • a hydraulic manned device for internal inspection of a spherical tank includes a longitudinal hydraulic telescopic arm 7, a lateral hydraulic telescopic arm 8, a connecting arm 9, a manned basket 10, a hydraulic station 1, and a longitudinal rotation provided in the spherical tank A. ⁇ 2 and hydraulic winch 3.
  • the first hydraulic oil cylinder 7a and the first sprocket chain 7b are installed in the arm of the longitudinal hydraulic telescopic arm 7, so as to realize synchronous extension and contraction of three longitudinal hydraulic arms.
  • the upper end of the longitudinal hydraulic telescopic arm 7 is connected to the upper connecting arm 6, the lower end is connected to the connecting arm 9 through a first hinge 9a, and the connecting arm 9 is connected to the horizontal hydraulic telescopic arm 8 through a second hinge 9b.
  • a second hydraulic oil cylinder 8a and a second sprocket chain 8b are installed in the arm of the horizontal hydraulic telescopic boom 8 so as to achieve synchronous expansion and contraction of the three horizontal hydraulic arms.
  • the manned basket 10 is hung on the cantilever end of the horizontal hydraulic telescopic arm 8 through a chute mechanism 10a.
  • the pin on the manned basket 10 is matched with a 195-degree arc-shaped chute on the hanging plate.
  • the longitudinal turning mechanism 2 drives the horizontal hydraulic telescopic arm 8 to rotate 360 ° in a circumferential direction through the upper connecting arm 6, the longitudinal hydraulic telescopic arm 7 and the connecting arm 9.
  • the hydraulic winch 3 realizes the lateral hydraulic telescopic arm 8 and the connecting arm 9 around the first hinge 9a and the second hinge 9b through the wire rope 5 connected to the passenger basket 10 and the guide wheel 4 inside the upper connecting arm 6. Make 180 ° meridional rotation.
  • the hydraulic station 1 is connected to the interfaces of the longitudinal turning mechanism 2, the hydraulic winch 3, the first hydraulic cylinder 7a, and the second hydraulic cylinder 8a through a hydraulic oil pipe, respectively.
  • the longitudinal / transverse hydraulic telescopic boom adopts a three-section longitudinal hydraulic arm structure. One of the longitudinal / transverse hydraulic arms is driven by a hydraulic cylinder, which drives the other two sections of longitudinal / transverse hydraulic arms connected by a sprocket chain to expand and contract simultaneously.
  • FIGs 2, 6, and 7 show the state of the passenger basket rising to the highest position.
  • the hydraulic winch 3 passes the wire rope 5 connected to the passenger basket 10 and the guide wheel 4 inside the upper connecting arm 6
  • the tight steel wire rope 5 realizes a horizontal hydraulic telescopic arm 8 and a connecting arm 9 that rotates 90 ° upwards about the first hinge 9a and the second hinge 9b, and the passenger basket has risen to the highest position.
  • Figures 3, 8, and 9 show the state of the manned basket descending to a certain position.
  • the hydraulic winch 3 passes the steel wire rope 5 connected to the manned basket 10 and the guide wheel 4 inside the upper connecting arm 6 through
  • the steel wire rope 5 is loosened to realize the horizontal hydraulic telescopic arm 8 and the connecting arm 9 has been rotated 20 ° downwards about the first hinge 9a and the second hinge 9b.
  • the connecting arm 9 rotates 90 ° downwards about the first hinge 9a and the second hinge 9b, and the manned basket can be lowered to the lowest position.
  • the vertical turning mechanism 2 can drive the horizontal hydraulic telescopic arm 8 to rotate 360 ° through the upper connecting arm 6, the longitudinal hydraulic telescopic arm 7 and the connecting arm 9, so that the manned basket 10 can reach any position inside the spherical tank A to achieve No dead angle detection.
  • the embodiment of the present invention is the same as the best embodiment of the present invention.
  • the hydraulic manned device for the internal inspection of the spherical tank can realize the horizontal, vertical, multi-directional and large-area inspection work inside the spherical tank, and the installation is simple and easy to use. While improving the internal safety inspection of the spherical tank, it also improves Work efficiency.

Abstract

一种球罐内部定检用液压载人装置，包括设置在球罐（A）中的纵向液压伸缩臂（7）、横向液压伸缩臂（8）、连接臂（9）、载人筐（10a）、液压站（1）、纵向回转机构（2）和液压绞盘（3）；纵向/横向液压伸缩臂（7，8）内安装液压油缸（7a，8a）和链轮链条（7b，8b），实现多节液压臂同步伸缩；纵向回转机构（2）通过上连接臂（6）、纵向液压伸缩臂（7）和连接臂（9）驱动横向液压伸缩臂（8）作360°周向转动，液压绞盘（3）通过连接在载人筐（10a）上的钢丝绳（5）及上连接臂（6）内的导轮（4），收放钢丝绳（5）实现横向液压伸缩臂（8）、连接臂（9）绕铰链作180°径向转动。该装置可以实现在球罐内部的横向、纵向多方位、大面积的检测工作，而且安装简单，使用方便，提高球罐内部安全检测的同时，也提高了工作效率。

Description

一种球罐内部定检用液压载人装置 技术领域
本发明涉及一种球罐内部定检用液压载人装置，属于工业专用检验设备技术领域。
 背景技术
球罐通常用作运输和存储各种如液氧、液化石油气等液态或氮气、氧气等气态介质，这些介质中，不乏一些易燃易爆、有毒、易腐蚀的物质。化工厂的球罐往往成群排列，当一个球罐发生破坏，极有可能波及周围的球罐，造成巨大的危险事故。因此，定期对球罐进行检测是重要的、必要的。
常规的球罐检测需搭建脚手臂，该方法浪费时间，且具有一定的施工危险与难度。针对这一现象，有关研究者研制了不同的球罐内部辅助检测装置，这些装置各有特点，但也有不足。
专利200920289372.5，介绍了一种可自由移动的球罐检验联合工作平台。主体包括主桁臂、顶部支臂、下部支撑、电气控制系统和可移动的独立工作平台机构。由于球罐内可能存在易燃易爆气体，使用电气控制系统可能产生危险；同时由于支撑部分结构复杂，部件数量多，不易迅速安全拆装；该工作平台检测范围有限，且存在检测死角。
专利201710358649.4，介绍了一种用于球罐检验的内部定检用液压载人装置。主体包括立柱、液压伸缩动臂、工作台、液压站、立柱旋转机构、动臂调整机构。该装置液压结构复杂，且无法做到无死角检测。
专利201720881272.6，介绍了一种一种球罐内部检测工作平台。主体包括底部支承平台、中央支撑立柱、回转支撑平台、顶部回转平台和升降牵引装置。该装置安装时球罐上下人孔均需布置结构，安装较为繁琐；下人孔处结构会对设备的搬运和人员进出造成影响，一旦发生意外无法迅速施救；该装置回转支撑臂上下摆动幅度受到结构自身限制，无法做到无死角检测。
 技术问题
上述现有技术存在着结构复杂、拆装不便、结构布置不合理、检测存在死角等一系列问题。鉴于以上情况有必要研发一种安装简单，使用方便，既能保证安全检测又可提高工作效率的球罐内部检验装置。
 技术解决方案
为了克服现有技术中存在的问题，本发明提供一种球罐内部定检用液压载人装置，该装置应结构简单、拆装方便、结构布置合理和检测无死角，既能保证安全检测又可提高工作效率。
本发明采用的技术方案是：一种球罐内部定检用液压载人装置，它包括设置在球罐中的纵向液压伸缩臂、横向液压伸缩臂、连接臂、载人筐、液压站、纵向回转机构和液压绞盘，所述纵向液压伸缩臂的臂内安装第一液压油缸和第一链轮链条，从而实现多节纵向液压臂同步伸缩；所述纵向液压伸缩臂的上端连接上连接臂，下端通过第一铰链与连接臂连接，连接臂通过第二铰链与横向液压伸缩臂连接；所述横向液压伸缩臂的臂内安装第二液压油缸和第二链轮链条，从而实现多节横向液压臂同步伸缩，横向液压伸缩臂的悬臂端安装载人筐；所述纵向回转机构通过上连接臂、纵向液压伸缩臂和连接臂驱动横向液压伸缩臂作360°周向转动；所述液压绞盘通过连接在载人筐上的钢丝绳及上连接臂内部的导轮，通过收放钢丝绳实现横向液压伸缩臂、连接臂绕第一铰链和第二铰链作180°经向转动；所述液压站通过液压油管分别与纵向回转机构、液压绞盘、第一液压油缸和第二液压油缸的接口连接。
所述纵向液压伸缩臂采用三节纵向液压臂结构，通过第一液压油缸驱动其中一节纵向液压臂，带动通过第一链轮链条连接的另两个节纵向液压臂同步伸缩。
所述横向液压伸缩臂采用三节横向液压臂结构，通过第二液压油缸驱动其中一节横向液压臂，带动通过第二链轮链条连接的另两个节横向液压臂同步伸缩。
所述载人筐通过滑槽机构挂在横向液压伸缩臂的悬臂端，载人筐上的销轴与挂板上的190-200°的圆弧形滑槽相配合。
 有益效果
本发明的有益效果是：这种球罐内部定检用液压载人装置包括设置在球罐中的纵向液压伸缩臂、横向液压伸缩臂、连接臂、载人筐、液压站、纵向回转机构和液压绞盘。纵向/横向液压伸缩臂的臂内安装液压油缸和链轮链条，实现多节液压臂同步伸缩。纵向回转机构通过上连接臂、纵向液压伸缩臂和连接臂驱动横向液压伸缩臂作360°周向转动，液压绞盘通过连接在载人筐上的钢丝绳及上连接臂内部的导轮，通过收放钢丝绳实现横向液压伸缩臂、连接臂绕铰链作180°经向转动。该检测装置可以实现在球罐内部的横向、纵向多方位、大面积的检测工作，而且安装简单，使用方便，提高球罐内部安全检测的同时，也提高了工作效率。
 附图说明
图1是横向液压伸缩臂与纵向液压伸缩臂互相垂直的结构图。
图2是载人筐上升到最高位置的状态图。
图3是载人筐下降到某一位置的状态图。
图4是图1中F的放大图。
图5是图1中G的放大图。
图6是图2中H的放大图。
图7是图2中I的放大图。
图8是图3中J的放大图。
图9是图3中K的放大图。
图中：1、液压站，2、纵向回转机构，3、液压绞盘，4、导轮，5、钢丝绳，6、上连接臂，7、纵向液压伸缩臂，7a、第一液压油缸，7b、第一链轮链条，8、横向液压伸缩臂，8a、第二液压油缸，8b、第二链轮链条，9、连接臂，9a、第一铰链，9b、第二铰链，10、载人筐，10a、滑槽机构，A、球罐，B、球罐上人孔，C、球罐下人孔，D、球罐安全平台。
 本发明的最佳实施方式
图1、4、5示出了横向液压伸缩臂与纵向液压伸缩臂互相垂直的结构图。图中，这种球罐内部定检用液压载人装置包括设置在球罐A中的纵向液压伸缩臂7、横向液压伸缩臂8、连接臂9、载人筐10、液压站1、纵向回转机构2和液压绞盘3。纵向液压伸缩臂7的臂内安装第一液压油缸7a和第一链轮链条7b，从而实现三节纵向液压臂同步伸缩。纵向液压伸缩臂7的上端连接上连接臂6，下端通过第一铰链9a与连接臂9连接，连接臂9通过第二铰链9b与横向液压伸缩臂8连接。横向液压伸缩臂8的臂内安装第二液压油缸8a和第二链轮链条8b，从而实现三节横向液压臂同步伸缩，横向液压伸缩臂8的悬臂端安装载人筐10。载人筐10通过滑槽机构10a挂在横向液压伸缩臂8的悬臂端，载人筐10上的销轴与挂板上的195度的圆弧形滑槽相配合。纵向回转机构2通过上连接臂6、纵向液压伸缩臂7和连接臂9驱动横向液压伸缩臂8作360°周向转动。液压绞盘3通过连接在载人筐10上的钢丝绳5及上连接臂6内部的导轮4，通过收放钢丝绳5实现横向液压伸缩臂8、连接臂9绕第一铰链9a和第二铰链9b作180°经向转动。液压站1通过液压油管分别与纵向回转机构2、液压绞盘3、第一液压油缸7a和第二液压油缸8a的接口连接。纵向/横向液压伸缩臂采用三节纵向液压臂结构，通过液压油缸驱动其中一节纵向/横向液压臂，带动通过链轮链条连接的另两个节纵向/横向液压臂同步伸缩。
图2、6、7示出了载人筐上升到最高位置的状态图，图中，液压绞盘3通过连接在载人筐10上的钢丝绳5及上连接臂6内部的导轮4，通过收紧钢丝绳5实现横向液压伸缩臂8、连接臂9绕第一铰链9a和第二铰链9b作了向上90°经向转动，载人筐已上升到最高位置。图3、8、9示出了载人筐下降到某一位置的状态图，图中，液压绞盘3通过连接在载人筐10上的钢丝绳5及上连接臂6内部的导轮4，通过放松钢丝绳5实现横向液压伸缩臂8、连接臂9绕第一铰链9a和第二铰链9b作了向下20°经向转动，载人筐已下降；通过进一步放松钢丝绳5可实现横向液压伸缩臂8、连接臂9绕第一铰链9a和第二铰链9b作向下90°经向转动，载人筐可下降到最低位置。同时纵向回转机构2可通过上连接臂6、纵向液压伸缩臂7和连接臂9驱动横向液压伸缩臂8作360°周向转动，使载人筐10能到达球罐A内侧的任何位置，实现无死角检测。
 本发明的实施方式
本发明的实施方式同本发明的最佳实施方式。
 工业实用性
这种球罐内部定检用液压载人装置可以实现在球罐内部的横向、纵向多方位、大面积的检测工作，而且安装简单，使用方便，提高球罐内部安全检测的同时，也提高了工作效率。
 序列表自由内容
无。

Claims (4)

  1. 一种球罐内部定检用液压载人装置，它包括设置在球罐（A）中的纵向液压伸缩臂（7）、横向液压伸缩臂（8）、连接臂（9）、载人筐（10）、液压站（1）、纵向回转机构（2）和液压绞盘（3），其特征是：所述纵向液压伸缩臂（7）的臂内安装第一液压油缸（7a）和第一链轮链条（7b），从而实现多节纵向液压臂同步伸缩；所述纵向液压伸缩臂（7）的上端连接上连接臂（6），下端通过第一铰链（9a）与连接臂（9）连接，连接臂（9）通过第二铰链（9b）与横向液压伸缩臂（8）连接；所述横向液压伸缩臂（8）的臂内安装第二液压油缸（8a）和第二链轮链条（8b），从而实现多节横向液压臂同步伸缩，横向液压伸缩臂（8）的悬臂端安装载人筐（10）；所述纵向回转机构（2）通过上连接臂（6）、纵向液压伸缩臂（7）和连接臂（9）驱动横向液压伸缩臂（8）作360°周向转动；所述液压绞盘（3）通过连接在载人筐（10）上的钢丝绳（5）及上连接臂（6）内部的导轮（4），通过收放钢丝绳（5）实现横向液压伸缩臂（8）、连接臂（9）绕第一铰链（9a）和第二铰链（9b）作180°经向转动；所述液压站（1）通过液压油管分别与纵向回转机构（2）、液压绞盘（3）、第一液压油缸（7a）和第二液压油缸（8a）的接口连接。
  2. 根据权利要求1所述的一种球罐内部定检用液压载人装置，其特征是：所述纵向液压伸缩臂（7）采用三节纵向液压臂结构，通过第一液压油缸（7a）驱动其中一节纵向液压臂，带动通过第一链轮链条（7b）连接的另两个节纵向液压臂同步伸缩。
  3. 根据权利要求1所述的一种球罐内部定检用液压载人装置，其特征是：所述横向液压伸缩臂（8）采用三节横向液压臂结构，通过第二液压油缸（8a）驱动其中一节横向液压臂，带动通过第二链轮链条（8b）连接的另两个节横向液压臂同步伸缩。
  4. 根据权利要求1所述的一种球罐内部定检用液压载人装置，其特征是：所述载人筐（10）通过滑槽机构（10a）挂在横向液压伸缩臂（8）的悬臂端，载人筐（10）上的销轴与挂板上的190-200°的圆弧形滑槽相配合。
PCT/CN2019/080789 2018-08-19 2019-04-01 一种球罐内部定检用液压载人装置 WO2020037987A1 (zh)

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CN110605699B (zh) * 2019-09-30 2022-09-30 山东恒煜检验检测技术有限公司 一种球罐内部检测平台

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