CN104444937A - Combined lifting mechanism - Google Patents
Combined lifting mechanism Download PDFInfo
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- CN104444937A CN104444937A CN201410700901.1A CN201410700901A CN104444937A CN 104444937 A CN104444937 A CN 104444937A CN 201410700901 A CN201410700901 A CN 201410700901A CN 104444937 A CN104444937 A CN 104444937A
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- lifting mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
一种组合升降机构，包括剪叉升降机构、丝杆升降机构；其中，剪叉升降机构中，滚轮安装在传力底座上，剪叉臂组件一端与安装在传力底座上的丝杆连接，另一端与升降台连接，转动摇臂安装在传力底座一侧，并与丝杆连接；丝杆升降机构中，梯形丝杆穿过升降台与丝杆铰接，手轮安装在梯形丝杆上，通过剪叉升降机构以提升丝杆升降机构的安装初始高度，可在狭小空间内举升设备，使用便捷，可大幅度提高飞机的维护效率；此外，传力底座上设置有导槽，套筒通过两端设置的轴承在传力底座的导槽内滚动，从而改变方管剪叉臂间的角度实现升降台的升起或降低，两级升降机构升降时互不依赖；且结构简单，使用便捷；同时在传力底座上设置有滚轮，有效提高工作效率。
A combined lifting mechanism, including a scissor lifting mechanism and a screw lifting mechanism; wherein, in the scissor lifting mechanism, the rollers are installed on the force transmission base, and one end of the scissor arm assembly is connected to the screw rod installed on the force transmission base. The other end is connected to the lifting platform, and the rotating rocker is installed on the side of the force transmission base and connected to the screw; in the screw lifting mechanism, the trapezoidal screw passes through the lifting platform and is hinged with the screw, and the hand wheel is installed on the trapezoidal screw. , through the scissor lifting mechanism to increase the initial installation height of the screw lifting mechanism, the equipment can be lifted in a small space, easy to use, and can greatly improve the maintenance efficiency of the aircraft; The cylinder rolls in the guide groove of the force transmission base through the bearings set at both ends, thereby changing the angle between the square tube scissor arms to realize the lifting or lowering of the lifting platform. The two-stage lifting mechanism does not depend on each other when lifting; and the structure is simple, Easy to use; at the same time, there are rollers on the force transmission base, which can effectively improve work efficiency.
Description
技术领域 technical field
本发明涉及机械升降装置技术领域，尤其涉及一种组合升降机构。 The invention relates to the technical field of mechanical lifting devices, in particular to a combined lifting mechanism.
背景技术 Background technique
在飞机使用维护工作中，经常需要在机腹下狭小空间内装卸机载设备，而对于质量较大的设备，难以完成装卸工作，通常需要借助升降机构将质量较大的设备托起。目前常用的两种单一的升降机构：一是丝杆升降机构，具有结构简单，能够在狭小空间内举升设备的特点，但升降行程受安装初始高度的限制；二是剪叉式升降机构，但结构占用空间较大，使用操作有一定的局限性，难以满足狭小空间的安装需求。 In the maintenance work of aircraft, it is often necessary to load and unload airborne equipment in the narrow space under the belly of the aircraft, and for heavy equipment, it is difficult to complete the loading and unloading work, and it is usually necessary to lift the heavy equipment with the help of a lifting mechanism. Two single lifting mechanisms are commonly used at present: one is the screw lifting mechanism, which has the characteristics of simple structure and can lift equipment in a small space, but the lifting stroke is limited by the initial installation height; the other is the scissor lifting mechanism, However, the structure takes up a lot of space, and the use and operation have certain limitations, making it difficult to meet the installation requirements in a small space.
发明内容 Contents of the invention
本发明所解决的技术问题在于提供一种组合升降机构，以解决上述背景技术中的缺点。 The technical problem solved by the present invention is to provide a combined lifting mechanism to solve the above-mentioned shortcomings in the background technology.
本发明所解决的技术问题采用以下技术方案来实现： The technical problem solved by the present invention adopts following technical scheme to realize:
一种组合升降机构，包括剪叉升降机构、丝杆升降机构；其中，剪叉升降机构中，滚轮安装在传力底座上，剪叉臂组件一端与安装在传力底座上的丝杆连接，另一端与升降台连接，转动摇臂安装在传力底座一侧，并与丝杆连接；丝杆升降机构中，梯形丝杆穿过升降台与丝杆铰接，手轮安装在梯形丝杆上，通过剪叉升降机构以提升丝杆升降机构的安装初始高度，可在狭小空间内举升设备，使用便捷，可大幅度提高飞机的维护效率；此外，传力底座上设置有导槽。 A combined lifting mechanism, including a scissor lifting mechanism and a screw lifting mechanism; wherein, in the scissor lifting mechanism, the rollers are installed on the force transmission base, and one end of the scissor arm assembly is connected to the screw rod installed on the force transmission base. The other end is connected to the lifting platform, and the rotating rocker is installed on the side of the force transmission base and connected to the screw; in the screw lifting mechanism, the trapezoidal screw passes through the lifting platform and is hinged with the screw, and the hand wheel is installed on the trapezoidal screw. , through the scissor lifting mechanism to increase the initial installation height of the screw lifting mechanism, the equipment can be lifted in a small space, easy to use, and can greatly improve the maintenance efficiency of the aircraft; in addition, the force transmission base is equipped with guide grooves.
在本发明中，剪叉臂组件包括一组方管剪叉臂，且方管剪叉臂间通过螺栓连接，具有结构稳固、运行可靠、安全高效、故障率低的优点；同时可根据升降行程和飞机成附件安装空间尺寸选择方管剪叉臂长短或是采用两级剪叉。 In the present invention, the scissor arm assembly includes a group of square tube scissor arms, and the square tube scissor arms are connected by bolts, which has the advantages of stable structure, reliable operation, safety and high efficiency, and low failure rate; As an accessory with the aircraft, choose the length of the square tube scissors arm or use two-stage scissors for the size of the installation space.
在本发明中，丝杆上套装有套筒，套筒通过两端设置的轴承嵌入传力底座的导槽内，通过转动摇臂带动传力底座上的丝杆旋转，套筒两端轴承在导槽内滚动，从而改变方管剪叉臂间的角度实现升降台的升起或降低。 In the present invention, the screw rod is fitted with a sleeve, and the sleeve is inserted into the guide groove of the force transmission base through the bearings provided at both ends, and the screw rod on the force transmission base is driven to rotate by rotating the rocker arm. Roll in the guide groove, thereby changing the angle between the square tube scissor arms to realize the lifting or lowering of the lifting platform.
在本发明中，传力底座上设置有加强筋，有利于传力底座的稳定性。 In the present invention, the force transmission base is provided with reinforcing ribs, which is beneficial to the stability of the force transmission base.
在本发明中，梯形丝杆为垂直安装，占用体积小，可根据支托对象及其安装空间尺寸设计托盘大小；同时梯形丝杆的长度设计要满足两个方面要求：一是剪叉升降机构降到最低时，梯形丝杆底端不能触地；二是剪叉升降机构与丝杆升降机构两级升降机构均降到最低时，安装车能进入到机腹下。 In the present invention, the trapezoidal screw rod is vertically installed and occupies a small volume. The size of the tray can be designed according to the support object and its installation space size; meanwhile, the length design of the trapezoidal screw rod should meet two requirements: one is the scissor lifting mechanism When lowered to the minimum, the bottom end of the trapezoidal screw rod cannot touch the ground; the second is that when the two-stage lifting mechanism of the scissor lift mechanism and the screw rod lift mechanism are all lowered to the minimum, the installation vehicle can enter under the belly of the machine.
在本发明中，滚轮安装在传力底座外延设置的支座上。 In the present invention, the rollers are installed on the support provided on the extension of the force transmission base.
有益效果：本发明由剪叉升降机构和丝杆升降机构组合而成，套筒通过两端设置的轴承在传力底座的导槽内滚动，从而改变方管剪叉臂间的角度实现升降台的升起或降低，两级升降机构升降时互不依赖；且结构简单，使用便捷，可大幅度提高飞机的维护效率；同时在传力底座上设置有滚轮，有效提高了工作效率。 Beneficial effects: the invention is composed of a scissor lifting mechanism and a screw lifting mechanism. The sleeve rolls in the guide groove of the force transmission base through the bearings arranged at both ends, thereby changing the angle between the square tube scissor arms to realize the lifting platform The two-stage lifting mechanism does not depend on each other when lifting or lowering; the structure is simple and easy to use, which can greatly improve the maintenance efficiency of the aircraft; at the same time, there are rollers on the force transmission base, which effectively improves the work efficiency.
附图说明 Description of drawings
图1为本发明的较佳实施例的结构示意图。 Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
具体实施方式 Detailed ways
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。 In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
参见图1的一种组合升降机构，包括剪叉升降机构10、转动摇臂11、丝杆12、方管剪叉臂组件13、螺栓14、升降台15、传力底座16、滚轮17、丝杆升降机构20、手轮21及梯形丝杆22。 Referring to a combined lifting mechanism of Fig. 1, it comprises a scissor lifting mechanism 10, a rotating rocker arm 11, a screw mandrel 12, a square tube scissor arm assembly 13, a bolt 14, a lifting platform 15, a force transmission base 16, a roller 17, a wire Rod lifting mechanism 20, hand wheel 21 and trapezoidal screw mandrel 22.
剪叉升降机构10中，滚轮17安装在传力底座16上，方管剪叉臂组件13一端与安装在传力底座16上的丝杆12连接，另一端与升降台15连接，方管剪叉臂组件13中的方管剪叉臂通过螺栓14连接，转动摇臂11安装在传力底座16一侧，并与丝杆12连接；在实际工作中，可以根据升降行程和飞机成附件安装空间尺寸来合理设计方管剪叉臂长短或是采用两级剪叉，通过转动摇臂11带动传力底座16上的丝杆12旋转，丝杆12上套装有套筒，套筒两端轴承在传力底座16的导槽内滚动，从而改变剪叉臂间角度实现升降台15的升起或降低。 In the scissors lifting mechanism 10, the roller 17 is installed on the force transmission base 16, and one end of the square tube scissor arm assembly 13 is connected with the screw rod 12 installed on the force transmission base 16, and the other end is connected with the lifting table 15. The square tube scissor arm in the yoke assembly 13 is connected by bolts 14, and the rotating rocker arm 11 is installed on one side of the force transmission base 16 and connected with the screw rod 12; in actual work, it can be installed as an accessory according to the lifting stroke and the aircraft. The space size is used to reasonably design the length of the square tube scissors arm or two-stage scissors are used. By rotating the rocker arm 11, the screw 12 on the force transmission base 16 is driven to rotate. The screw 12 is equipped with a sleeve, and the two ends of the sleeve are bearings Roll in the guide groove of the force transmission base 16, thereby changing the angle between the scissor arms to realize the lifting or lowering of the lifting platform 15.
丝杆升降机构20中，梯形丝杆22穿过升降台15与丝杆12铰接，手轮21安装在梯形丝杆22上，通过剪叉升降机构10提升丝杆升降机构20的安装初始高度，可在狭小空间内举升设备，使用方便，能大幅度提高飞机的维护效率。 In the screw mandrel lifting mechanism 20, the trapezoidal screw mandrel 22 passes through the lifting table 15 and is hinged with the screw mandrel 12, and the handwheel 21 is installed on the trapezoidal screw mandrel 22, and the installation initial height of the screw mandrel lifting mechanism 20 is promoted by the scissor lifting mechanism 10, The equipment can be lifted in a narrow space, which is easy to use and can greatly improve the maintenance efficiency of the aircraft.
在本实施例中，梯形丝杆22垂直安装，其长度设计要满足两个方面要求：一是剪叉升降机构10降到最低时，梯形丝杆22底端不能触地；二是剪叉升降机构10与丝杆升降机构20两级升降机构均降到最低时，安装车能进入到机腹下；通过旋转手轮21使梯形丝杆22上下移动从而带动托盘升起或降低，因为梯形丝杆22为垂直安装，占用体积小，同时可根据支托对象及其安装空间尺寸来设计托盘大小。 In this embodiment, the trapezoidal screw rod 22 is vertically installed, and its length design will meet two requirements: one is that when the scissor lift mechanism 10 is lowered to the minimum, the bottom end of the trapezoidal screw rod 22 cannot touch the ground; When the two-stage lifting mechanisms of the mechanism 10 and the screw lifting mechanism 20 are all lowered to the minimum, the installation vehicle can enter under the belly of the machine; by rotating the hand wheel 21, the trapezoidal screw 22 moves up and down to drive the tray to rise or lower, because the trapezoidal wire The rod 22 is installed vertically and occupies a small volume, and the size of the tray can be designed according to the support object and its installation space size.
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定 。 The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents .
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410700901.1A CN104444937B (en) | 2014-11-28 | 2014-11-28 | Combined lifting mechanism |
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| CN201410700901.1A CN104444937B (en) | 2014-11-28 | 2014-11-28 | Combined lifting mechanism |
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| CN104444937A true CN104444937A (en) | 2015-03-25 |
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Cited By (9)
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| CN105645306A (en) * | 2016-01-12 | 2016-06-08 | 深圳市华星光电技术有限公司 | Lifting device |
| CN106835991A (en) * | 2017-02-25 | 2017-06-13 | 江西省公路工程检测中心 | A kind of overhead bridge construction climbing device |
| CN107054687A (en) * | 2017-06-19 | 2017-08-18 | 沈阳飞机工业（集团）有限公司 | A kind of big stroke aircraft bracket of low clearance |
| CN107140574A (en) * | 2017-06-26 | 2017-09-08 | 江苏木盟智能科技有限公司 | Combined type lifting platform and mobile robot |
| WO2018171104A1 (en) * | 2017-03-21 | 2018-09-27 | 深圳市鑫宝临五金有限公司 | Lifting mechanism |
| CN108638556A (en) * | 2018-03-23 | 2018-10-12 | 合肥国轩高科动力能源有限公司 | Discharging device of roller press |
| CN110127403A (en) * | 2018-02-02 | 2019-08-16 | 海德堡印刷机械股份公司 | Stacking apparatus for page |
| CN111482933A (en) * | 2020-04-21 | 2020-08-04 | 郑秀菊 | Ground support device for dismounting airborne radar |
| CN112524526A (en) * | 2020-11-30 | 2021-03-19 | 九江职业技术学院 | Multifunctional ambient light simulation device for indoor design |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110127403A (en) * | 2018-02-02 | 2019-08-16 | 海德堡印刷机械股份公司 | Stacking apparatus for page |
| CN108638556A (en) * | 2018-03-23 | 2018-10-12 | 合肥国轩高科动力能源有限公司 | Discharging device of roller press |
| CN111482933A (en) * | 2020-04-21 | 2020-08-04 | 郑秀菊 | Ground support device for dismounting airborne radar |
| CN112524526A (en) * | 2020-11-30 | 2021-03-19 | 九江职业技术学院 | Multifunctional ambient light simulation device for indoor design |
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