EP1375409B1 - Scherenhubvorrichtung für eine Rollenbahnförderanlage - Google Patents

Scherenhubvorrichtung für eine Rollenbahnförderanlage Download PDF

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Publication number
EP1375409B1
EP1375409B1 EP20030012741 EP03012741A EP1375409B1 EP 1375409 B1 EP1375409 B1 EP 1375409B1 EP 20030012741 EP20030012741 EP 20030012741 EP 03012741 A EP03012741 A EP 03012741A EP 1375409 B1 EP1375409 B1 EP 1375409B1
Authority
EP
European Patent Office
Prior art keywords
scissors
accordance
carrier frame
lift device
frame
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP20030012741
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1375409A1 (de
Inventor
Alexander Desor
Jens Knopf
Hartmut Martin
Horst Ziermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Remech Systemtechnik GmbH
Original Assignee
Remech Systemtechnik GmbH
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Filing date
Publication date
Application filed by Remech Systemtechnik GmbH filed Critical Remech Systemtechnik GmbH
Publication of EP1375409A1 publication Critical patent/EP1375409A1/de
Application granted granted Critical
Publication of EP1375409B1 publication Critical patent/EP1375409B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration

Definitions

  • the invention relates to a lifting device with a base frame and a raised and lowered support frame on which a load is turned off.
  • a scissor device which is supported on the base frame, having a central scissor shaft and acting parallelarranged on the support frame, wherein the eccentric lifting device is arranged approximately centrally between the base and support frame.
  • a device of the type indicated above is known from GB-A-1, 487, 119.
  • the document discloses a lifting device with a platform movable up and down. To perform this lifting and lowering scissor arms are provided, which interact with length-adjustable lifting means and a rotatable swing arm.
  • the swing arm and the scissor arms have the same axis of rotation, while the lifting means are each in operative connection with one end of the swing arm.
  • the strut parts of the scissors are preferably designed as telescopically nested tube parts.
  • the longer-dimensioned leg strut has a translational drive operating at least substantially in its longitudinal direction. This is designed in particular in the form of a hydraulic or pneumatic lifting cylinder. The lifting force is thus introduced in the longitudinal direction in the longer leg strut. It can be provided an additional working cylinder which engages the scissors joint. This acts as additional Hubkraftunterstützung or in the lowering phase as damping. Also, this device is not suitable for rapid lifting and lowering of particularly heavy loads, in particular due to the unilateral lifting force in a leg of the scissors.
  • a lifting table known. This has a bottom frame, a table top, a parallel guide for the table top and an attacking on the bottom frame and table top lifting device.
  • the lifting device has at least one circular segment-shaped lifting member with circular arc-shaped guideway. Which is provided with drive means.
  • the lifting member is with his guideway on guide means on the bottom frame along the guideway movable and mounted drivable. In this case, the upper end of the lifting member matured as a result of guide elements slidably on the table top or its parallel guide. Since in this device up to four circular segment-shaped lifting members are required, which act on the corners of the table top and must be driven evenly, a special design effort is required in particular for the control of the moving masses.
  • the invention is based on the object to provide a lifting device that allows a fast lifting and lowering of particularly heavy loads with an efficient power transmission to the support frame without a complex construction.
  • the object is achieved with specified in claim 1 lifting device.
  • It has a base frame, a lifting and lowering support frame and a scissor device, which is supported on the base frame and acts on the support frame via a central scissor shaft in parallel. Furthermore, an eccentric lifting device with an eccentric lever is provided which is mounted on the scissor shaft so that it rotates symmetrically in a basic position between the base and support frame and supported upon rotation about the scissors shaft for raising or lowering the support frame on basic and supporting frame is. In this case, the eccentric lifting device is arranged substantially centrally between the base and support frame. In addition, the eccentric lever rollers, which act on raising and lowering of the support frame on base and support frame.
  • the device according to the invention is particularly characterized in that the eccentric lever of the eccentric lifting device on the one hand centrally on the scissor shaft of the scissor device is mounted and on the other hand, the eccentric lever, in particular via its ends by force directly supported on the base frame and the support frame.
  • This has the effect that the scissor arms of the scissors device do not have to transmit any lifting and lowering forces, but serve exclusively for the horizontal parallel guidance of the support frame relative to the base frame.
  • the entire load is fed in and out via the rotatable eccentric lever.
  • the introduction of the driving forces due to the central arrangement of the eccentric lever on the scissor shaft takes place in an ideal manner, so that a symmetrical load distribution is achieved. It is of great importance for the effectiveness of the lifting device that the power is transmitted to the support frame via rollers on the eccentric lever.
  • the eccentric lever of the Exzenterhebe can be dimensioned so that even the heaviest loads can be quickly lifted or lowered. on the other hand are the to be moved during the rotation of the eccentric lever masses only small.
  • the shaft of the scissor device quasi taken by the central rotatably mounted eccentric lever in addition to the actual increase or decrease of the support frame and the loads resting thereon, while causing the parallel guidance of the support frame.
  • the eccentric lifting device has a chain drive.
  • This is advantageously arranged in the longitudinal direction parallel to the scissor device.
  • the chain drive advantageously comprises a drive unit which is attached to an end face of the base frame.
  • the chain drive advantageously includes a sprocket, which is connected to the scissor shaft with the eccentric lever and over the parallel to the scissor device a closed drive chain, the sprocket is guided.
  • Fig. 1 shows an example of a particularly advantageous embodiment of a lifting device according to the present invention in a side view, wherein the lifting device is extended to a top dead center, i. the maximum constructively possible lifting height occupies.
  • the basic frame of the embodiment shown in Figure 1 has a first and second side members 11, 12, wherein the longitudinal member 11 is located in the plane of the drawing and the longitudinal member 12 behind the drawing plane.
  • the longitudinal members are connected by corresponding cross struts firmly together.
  • a drive unit 3 is mounted on the base frame.
  • This preferably has a drive motor 31 with a downstream transmission 32.
  • a drive pinion 34 for a closed, circumferential drive chain 35 of the drive unit 3 is mounted on the base frame.
  • the drive shaft 33 additionally serves as a stationary, rotatable bearing point of the lower rear end of the scissor device 4.
  • the scissor device 4 consists in the example shown in Figures 1 to 3 of a front and a rear pair of scissors 41, 42. Again, the front pair of scissors 41 is in the plane and the rear pair of scissors 42 behind the plane.
  • the front pair of scissors 41 has a first front scissor arm 411 and a second front scissor arm 412, which are rotatably connected to each other via the central scissor shaft 43.
  • the rear pair of scissors 42 which is visible in the side view of Figure 3, has a first rear scissor arm 421 and a second rear scissor arm 422, which are rotatably connected to each other via the central scissors shaft 43.
  • the support frame 2 of the embodiment shown in Figure 1 has a first and second side members 21, 22, wherein the longitudinal member 21 in the drawing plane and the longitudinal member 22 in turn lies behind the plane of the drawing.
  • the longitudinal members 21,22 are also firmly connected by corresponding cross struts.
  • the corresponding ends of the scissor arms of the scissor device 4 are rotatably mounted and linearly displaceable.
  • a lower linear guide 110 is mounted on the front end face 11a on the first side member 11 of the base frame 1.
  • a lower bearing block 111 is guided, on the rotary shaft 112, the front lower end of the scissor arm 412 of the pair of scissors 41 is rotatably and linearly displaceably mounted.
  • a lower linear guide 120 is in a corresponding manner at the front end face 12a on the second side member 12 of the base frame 1, a lower linear guide 120 attached.
  • a lower bracket 121 is guided, on the rotary shaft 122, the front lower end of the scissor arm 422 of the pair of scissors 42 is also mounted rotatably and linearly displaceable.
  • an upper linear guide 210 is attached to the front end face 11a on the first longitudinal member 21 of the support frame 2 in a corresponding manner.
  • an upper bearing block 211 is guided, on the rotary shaft 212, the front upper end of the scissor arm 411 of the pair of scissors 41 is rotatably and linearly displaceably mounted.
  • an upper linear guide 220 is mounted in a corresponding manner on the front end face 22a on the second side member 22 of the support frame 2.
  • an upper bearing block 221 is guided, on whose rotary shaft 222, the front upper end of the scissor arm 421 of the pair of scissors 42 is also mounted rotatably and linearly displaceable.
  • the eccentric lifting device 5 of the lifting device according to the invention has an eccentric lever 55 which is mounted rotatably on the central scissor shaft 43 approximately in the center of the lifting device.
  • the eccentric lever 55 is rectilinearly stretched and executed symmetrically. He has two approximately equally long legs, one of which is supported on the base frame 1 and the other acts on the underside of the support frame 2. Depending on the particular application, it is not excluded in exceptional cases that the two legs of the eccentric lever 55 have divergent shapes.
  • the embodiment shown in Figures 1 to 3 in particular of the force distribution, the movement and the structural design forth preferred.
  • FIG. 1 shows a state in which the eccentric lever 55 rests quasi-perpendicular in the manner of a column between the base and support frame.
  • the lifting device according to the invention is located at top dead center and has reached the maximum lifting height. It can be clearly seen that the eccentric lever 55 receives the entire load from the support frame 2 and leads directly to the base frame 1.
  • the scissor device 4 has only the task of ensuring the parallel, preferably horizontal position of the support frame 2 relative to the base frame 1. To lower the support frame, the eccentric lever 55 must be turned 90 degrees to the right or left.
  • Fig. 2 shows this position of the lifting device, wherein this is retracted into a bottom dead center.
  • the eccentric lever 55 now rests in a basic position between the base and support frame.
  • the lifting device according to the invention is now at bottom dead center and has reached the minimum lifting height.
  • a first and second rollers 551, 552 attached are. These can attack directly on corresponding upper sides of the base and support frame 1, 2.
  • a lower running rail 510 is present, which is covered with a lower running surface 511. The rolling behavior and thus the power transmission between the roller 551 and the top of the base frame 1 can thus be significantly improved.
  • an upper running rail 520 is present, which is covered with an upper running surface 521.
  • the eccentric lifting device 5 of the lifting device according to the invention is advantageously arranged in the space between the pairs of scissors 41, 42 of the scissor device 4.
  • the drive device for the eccentric lever 55 of the eccentric lifting device 5 is advantageously designed in the form of a chain drive.
  • the chain drive is arranged in the longitudinal direction parallel to the scissor device.
  • the chain drive on the one hand on a sprocket 56 which is connected to the scissor shaft 43 with the eccentric lever 55.
  • the drive pinion 34 on the central drive shaft 33 of the transmission 32 is another part of the chain drive.
  • the power transmission between the drive pinion 34 and sprocket 56 is accomplished via a closed drive chain 35, which is parallel to the scissor device 4 via the sprocket 56, accomplished.
  • the central scissor shaft 43 thus represents an essential Bestanteil the lifting device according to the invention.
  • the rotatable mounting of the scissor arms of the two pairs of scissors it thus also serves the rotatable mounting of eccentric lever 55 and sprocket 56th
  • FIG. 3 shows the lifting device extended into top dead center according to the exemplary embodiment of FIG. 1 in a plan view of the rear end face.
  • the rear end faces 11b, 12b of the longitudinal members 11, 12 of the base frame 1 and the rear end faces 21b, 22b of the longitudinal members 21, 22 of the support frame 2 can be seen.
  • the view in the foreground shows the drive unit 3.
  • the underlying lower running rail 510 with the lower running surface 511 located thereon is thereby concealed.
  • the upper running rail 520 can be seen clearly on the support frame 2.
  • the running surfaces 521 in the form of two parallel rails are made in two parts. Accordingly, the second roller 552 is designed in the form of a double role.
  • the invention has the advantage that a fast lifting and lowering of particularly heavy loads is made possible without a complex construction.
  • the lifting device according to the invention can thus be used particularly in completely automated production plants or transfer lines.
  • the use in the automotive industry is to be cited.
  • body shells are transported from processing station to processing station with the aid of what are known as skid conveyor systems. It may be necessary for each processing station to lower the body shell to be machined to a working level and to raise it again to the conveying level after machining has taken place.
  • the lowering and lifting operations must be in spite of the condition of the body dependent and u.U. already high own weight with the highest possible speed.
  • a roller conveyor 6 is launched. This has at least one lying in the plane of Figures 1 and 2 first guide wall 61 and a second guide wall 62 lying behind. In the guide walls 61,62 pairs opposing carrying rollers 64 are mounted on which skids can be funded. Laterally, a roller conveyor drive 63 is placed for driving the support rollers 64.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Intermediate Stations On Conveyors (AREA)
EP20030012741 2002-06-17 2003-06-04 Scherenhubvorrichtung für eine Rollenbahnförderanlage Expired - Lifetime EP1375409B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20209407U DE20209407U1 (de) 2002-06-17 2002-06-17 Hubvorrichtung, bevorzugt für Skid-Förderanlagen
DE20209407U 2002-06-17

Publications (2)

Publication Number Publication Date
EP1375409A1 EP1375409A1 (de) 2004-01-02
EP1375409B1 true EP1375409B1 (de) 2006-03-01

Family

ID=27675261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030012741 Expired - Lifetime EP1375409B1 (de) 2002-06-17 2003-06-04 Scherenhubvorrichtung für eine Rollenbahnförderanlage

Country Status (4)

Country Link
EP (1) EP1375409B1 (zh)
CN (1) CN1304269C (zh)
DE (2) DE20209407U1 (zh)
ES (1) ES2257618T3 (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20040149A1 (it) * 2004-06-29 2004-09-29 Stempa Di Mario Gonzi Dispositivo di sollevamento di carichi
JP2006021858A (ja) * 2004-07-07 2006-01-26 Daifuku Co Ltd 昇降搬送装置
SI22054A (sl) * 2005-05-31 2006-12-31 Tajfun Planina Proizvodnja Strojev D.O.O. Naprava za privzdigovanje in podajanje hlodovine
DE102006006467B4 (de) * 2006-02-10 2008-09-11 Grundei Hebetische Verladetechnik Gmbh Scherenhubtisch
CN103232008B (zh) * 2013-04-23 2015-04-08 安徽安凯汽车股份有限公司 行李架举升工装
CN103318651A (zh) * 2013-06-27 2013-09-25 安徽铜爱电子材料有限公司 用于塑料薄膜分切膜卷包装线的提升机
US10744698B2 (en) 2014-01-15 2020-08-18 Battenfeld-Cincinnati Germany Gmbh Process and apparatus for supporting a plastic profile
CN104495350A (zh) * 2014-12-16 2015-04-08 苏州优备精密电子有限公司 自动升降输送机
CN104609124B (zh) * 2015-01-28 2018-02-23 上汽通用五菱汽车股份有限公司 一种液压滑撬式的车身输送装置
EP3138807A1 (de) 2015-09-04 2017-03-08 Siemens Aktiengesellschaft Hubvorrichtung
CN105347246B (zh) * 2015-12-03 2017-12-01 电子科技大学 轮系传动剪叉式升降平台
CN106627847B (zh) * 2016-11-29 2023-02-28 武汉东研智慧设计研究院有限公司 重载双抱胎式自动接车装置
SI25427B (sl) 2017-05-15 2020-09-30 Tajfun Planina Proizvodnja Strojev, D.O.O. Naprava za privzdigovanje in podajanje hlodovine
CN107098151A (zh) * 2017-06-01 2017-08-29 桐乡市锡良罐业有限公司 一种管件平移机构
CN109911533A (zh) * 2019-03-07 2019-06-21 广州市加杰机械设备有限公司 一种辊床滑撬线的车体转运装置
CN111960320A (zh) * 2020-08-11 2020-11-20 惠安县辰杰科技有限公司 一种安装5g天线电力铁塔的升降机构
CN112103212B (zh) * 2020-08-27 2024-05-10 杭州沃镭智能科技股份有限公司 一种igbt模块装配生产线
CN115159393A (zh) * 2022-09-06 2022-10-11 南通东方雨虹建筑材料有限公司 一种用于建筑材料运输的升降平台

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Also Published As

Publication number Publication date
CN1304269C (zh) 2007-03-14
CN1473746A (zh) 2004-02-11
DE50302498D1 (de) 2006-04-27
EP1375409A1 (de) 2004-01-02
ES2257618T3 (es) 2006-08-01
DE20209407U1 (de) 2003-07-31

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