CN101795958B - Lifting apparatus - Google Patents

Lifting apparatus Download PDF

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Publication number
CN101795958B
CN101795958B CN200880104565.7A CN200880104565A CN101795958B CN 101795958 B CN101795958 B CN 101795958B CN 200880104565 A CN200880104565 A CN 200880104565A CN 101795958 B CN101795958 B CN 101795958B
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CN
China
Prior art keywords
jacking system
band
profile rail
roller
falls
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 - Fee Related
Application number
CN200880104565.7A
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Chinese (zh)
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CN101795958A (en
Inventor
P·杜兰特
R·布吕克曼
A·施莫尔
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.)
Duerr Assembly Products GmbH
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Duerr Assembly Products GmbH
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Publication date
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Publication of CN101795958A publication Critical patent/CN101795958A/en
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Publication of CN101795958B publication Critical patent/CN101795958B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Pinball Game Machines (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The invention relates to a lifting apparatus with at least one telescopic tube or cylinder, said lifting apparatus comprising a first and a second annular band, wherein means are provided in order to arrange the first band spirally and transversely orthogonally about a centre axis and in order to arrange the second band coiled about itself, wherein the coils of the second band lie transversely parallel to the centre axis, and in order to transfer the first band into a retracted, stacked position and the second band into a retracted, spiral position. The invention furthermore relates to the use of such a lifting device. In order to increase the operational reliability of lifting devices of this type, it is proposed within the scope of the invention that the lifting apparatus has means for preventing falling off should the telescopic tube or cylinder fail. The means for preventing falling off has rack and wave shaped section bar rails which are fixed on a fixed portion of the lifting apparatus, and has locking claws with rollers rotatably supported on vertical movement portion of the lifting apparatus, wherein means for pressing the rollers to the section bar rails are arranged and the locking claws are configured to be embedded in the rack.

Description

Jacking system
Technical field
The present invention relates to a kind of jacking system.The present invention relates to the application of this jacking system in addition.
Background technology
The telescopic pipe of the above-mentioned type or telescoping cylinder are by US 4,875, and 660 A or EP 0 326 910 B1 have disclosed and sold by the PACO SPIRALIFF INC company of Quebec, CAN with title " SpiraLift ".The telescopic pipe of this pure machinery is that it has minimum system height by given stroke with the advantage that the retractor device of traditional pneumatic or hydraulic pressure is compared thus.In this Spirallift lifters, constant on this external total kilometrage of lifting power and current draw.In addition, this lifters is almost non-maintaining and can utilize adapter to move with hand when emergency manual moves.
Summary of the invention
Therefore the object of the invention is to, improve the serviceability of this jacking system.
The present invention realizes a kind of jacking system, have at least one telescopic pipe or telescoping cylinder, comprise the first band of annular and the second band of annular, be provided with device, be used for arranging around the axis and the second band being arranged around self with rolling and to transfer in the spiral position that retracts for being with to transfer in the stacking position that retracts and be with second with first with quadrature transverse ground spirally first, the pitch of the laps of the second band laterally is parallel to the axis, jacking system has prevent the device that falls when telescopic pipe or telescoping cylinder is malfunctioning, prevent that the device that falls has tooth bar and waveform profile rail, described tooth bar and waveform profile rail are fixed on the fixed part of jacking system, and prevent that the device that falls has on the part of the energy perpendicular movement that can be rotated to support on jacking system, retaining pawl with roller, wherein be provided with the device of roller being pressed to profile rail, and retaining pawl constitutes for embedding in the tooth bar.
The present invention also realizes a kind of jacking system, have at least one telescopic pipe or telescoping cylinder, comprise the first band of annular and the second band of annular, be provided with device, be used for arranging around the axis and the second band being arranged around self with rolling and to transfer in the spiral position that retracts for being with to transfer in the stacking position that retracts and be with second with first with quadrature transverse ground spirally first, the pitch of the laps of the second band laterally is parallel to the axis, jacking system has prevent the device that falls when telescopic pipe or telescoping cylinder is malfunctioning, prevent that the device that falls has tooth bar and waveform profile rail, described tooth bar and waveform profile rail are fixed on the part of energy perpendicular movement of jacking system, and prevent that the device that falls has on the fixed part that can be rotated to support on jacking system, retaining pawl with roller, wherein be provided with the device of roller being pressed to profile rail, and retaining pawl constitutes for embedding in the tooth bar.
The present invention is based on this understanding, in the jacking system of namely working under using this telescopic pipe or telescoping cylinder situation, jacking system can because telescopic pipe or telescoping cylinder technology are fallen when malfunctioning, for example surpass in the peak load situation that allows.For reaching maximum serviceability, have and when telescopic pipe or telescoping cylinder are malfunctioning, prevent the foundation of falling device of the present invention.
A kind of formation of the present invention is, prevents that the device that falls has tooth bar and retaining pawl, and retaining pawl latchingly embeds in the tooth bar in the situation of the vertical speed of predesignating that surpasses jacking system.
The first selection scheme is in this contact, prevent that the device that falls has tooth bar and waveform profile rail, the two is fixed on the fixed part of jacking system, and prevent that the device that falls has the retaining pawl with roller on the part of the energy perpendicular movement that can be rotated to support on jacking system, wherein, have and roller is pressed to the device of profile rail and retaining pawl constitutes for embedding in the tooth bar.
When normal operation, roller is close on the profile rail all the time, guarantees that thus retaining pawl does not embed in the tooth bar.Surpassing the vertical speed that can predesignate, for example in the situation of specified rising or falling speed, roller lifts with retaining pawl from profile rail and embeds in the tooth bar.Roller can be changed by the formation of profile rail and the thrust of roller from the speed that profile rail lifts.
The second selection scheme is, prevent that the device that falls has tooth bar and waveform profile rail, the two is fixed on the part of energy perpendicular movement of jacking system, and prevent that the device that falls has the retaining pawl with roller that can be rotated to support on the jacking system fixed part, wherein, have and roller is pressed to the device of profile rail and retaining pawl constitutes for embedding in the tooth bar.
This scheme is opposite with the first solution on kinematics.
In framework of the present invention, the device of roller being pressed to profile rail constitutes counterweight.
Determine to act on the thrust of roller and can change by changing these parameters by the quality of counterweight and the lever of counterweight.
The device of roller being pressed to profile rail can constitute spring equally.
Fastening what have advantage in this pass is that the spring force of spring can be adjusted.
Then can pre-determine the thrust of roller and therefore can pre-determine the triggering speed that prevents the device that falls by adjusting spring force.
In framework of the present invention, install especially for traveling gear in auto-industry according to jacking system of the present invention.
In traveling gear is installed (being also referred to as " assembling on vehicle body and chassis "), by the lifting workpieces frame with drive disk assembly and traveling gear part bonding to vehicle body.Many installations and the turn of the screw process after engaging from below carry out, no matter manually or automatic.Lifters and installation process (the turn of the screw, clamping etc.) need the space of work rest below.The required area of jacking system is less, can be larger for the area of installing and tool for twisting screw passes through.Thus, be specially adapted to this application according to jacking system of the present invention.
Description of drawings
The below describes embodiments of the invention by accompanying drawing.Wherein:
Fig. 1 a and 1b illustrate according to the lateral plan of jacking system of the present invention on immigration and outflow location;
Fig. 1 c illustrates according to jacking system of the present invention lateral plan with respect to 90 ° of Fig. 1 a and 1b deflections on outflow location;
Fig. 2 a, 2b and 2c illustrate and prevent the detail drawing of device on different non-stop positions that fall;
Fig. 3 illustrates and prevents the detail drawing of device on stop position that fall.
The specific embodiment
As from seeing Fig. 1 a-1c, has basic framework 2 according to jacking system 1 of the present invention.Have device 3 in this basic framework, be used for the first band helix quadrature transverse being arranged around the axis and the second band being rolled setting around self, the pitch of the laps of the second band laterally is parallel to the axis; And be used for the first band transferred in the stacking position that retracts and with the second band and transfer in the spiral position that retracts.
The jacking system 1 of two sections formations has two devices that prevent from falling when jacking system is malfunctioning in present case.They comprise a vertical servo-actuated tooth bar 4 separately, have the same vertical servo-actuated profile rail 5 of waveform section and be fixed on the fixed part of jacking system 1, with roller 7 and retaining pawl 6 counterweight 8, rotatably mounted.Tooth bar 4 and profile rail 5 distribute side by side.
As from Fig. 2 a, 2b, 2c and 3 see, prevent that the effect of the device 3 that falls is as follows.Being fixed on roller 7 on the retaining pawl 6 presses to profile rail 5 by counterweight 8 (it also can substitute by spring) and is close to all the time on the profile rail 5 when normal operation mobile.
Only when surpassing the specified speed of being determined by thrust, roller 7 just lifts from profile rail 5 and embeds in the tooth bars 4 with retaining pawl 6 and make jacking system 1 stop.Thrust can be adjusted on the desired degree by quality and the lever thereof of counterweight 8, thereby prevents that the device 3 that falls from only surpassing just triggering in the normal speed situation of jacking system 1.
The pure electronic or pneumatic drive part that mechanically works and need not complexity of this insurance of falling.

Claims (10)

1. jacking system, have at least one telescopic pipe or telescoping cylinder, comprise the first band of annular and the second band of annular, be provided with device, be used for arranging around the axis and the second band being arranged around self with rolling and to transfer in the spiral position that retracts for being with to transfer in the stacking position that retracts and be with second with first with quadrature transverse ground spirally first, the pitch of the laps of the second band laterally is parallel to the axis, it is characterized in that, jacking system has prevent the device that falls when telescopic pipe or telescoping cylinder is malfunctioning, prevent that the device that falls has tooth bar and waveform profile rail, described tooth bar and waveform profile rail are fixed on the fixed part of jacking system, and prevent that the device that falls has on the part of the energy perpendicular movement that can be rotated to support on jacking system, retaining pawl with roller, wherein be provided with the device of roller being pressed to profile rail, and retaining pawl constitutes for embedding in the tooth bar.
2. by jacking system claimed in claim 1, it is characterized in that the device of roller being pressed to profile rail constitutes counterweight.
3. by jacking system claimed in claim 1, it is characterized in that the device of roller being pressed to profile rail constitutes spring.
4. by jacking system claimed in claim 3, it is characterized in that the spring force of spring is can be controlled.
5. jacking system, have at least one telescopic pipe or telescoping cylinder, comprise the first band of annular and the second band of annular, be provided with device, be used for arranging around the axis and the second band being arranged around self with rolling and to transfer in the spiral position that retracts for being with to transfer in the stacking position that retracts and be with second with first with quadrature transverse ground spirally first, the pitch of the laps of the second band laterally is parallel to the axis, it is characterized in that, jacking system has prevent the device that falls when telescopic pipe or telescoping cylinder is malfunctioning, prevent that the device that falls has tooth bar and waveform profile rail, described tooth bar and waveform profile rail are fixed on the part of energy perpendicular movement of jacking system, and prevent that the device that falls has on the fixed part that can be rotated to support on jacking system, retaining pawl with roller, wherein be provided with the device of roller being pressed to profile rail, and retaining pawl constitutes for embedding in the tooth bar.
6. by jacking system claimed in claim 5, it is characterized in that the device of roller being pressed to profile rail constitutes counterweight.
7. by jacking system claimed in claim 5, it is characterized in that the device of roller being pressed to profile rail constitutes spring.
8. by jacking system claimed in claim 7, it is characterized in that the spring force of spring is can be controlled.
9. by one of the claim 1-8 application of described jacking system in auto-industry.
10. by application claimed in claim 9, described jacking system is used for the installation of traveling gear.
CN200880104565.7A 2007-08-29 2008-08-26 Lifting apparatus Expired - Fee Related CN101795958B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200710041052 DE102007041052A1 (en) 2007-08-29 2007-08-29 lifting device
DE102007041052.4 2007-08-29
PCT/DE2008/001402 WO2009026899A2 (en) 2007-08-29 2008-08-26 Lifting apparatus

Publications (2)

Publication Number Publication Date
CN101795958A CN101795958A (en) 2010-08-04
CN101795958B true CN101795958B (en) 2013-05-29

Family

ID=40289355

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880104565.7A Expired - Fee Related CN101795958B (en) 2007-08-29 2008-08-26 Lifting apparatus

Country Status (5)

Country Link
EP (1) EP2185465B1 (en)
CN (1) CN101795958B (en)
DE (1) DE102007041052A1 (en)
ES (1) ES2391531T3 (en)
WO (1) WO2009026899A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009055768A1 (en) * 2009-11-25 2011-05-26 Lödige Fördertechnik GmbH Device and method for securing, in particular the crash, of elevators and lifting devices
CN111792555A (en) * 2019-11-18 2020-10-20 苏州三鼎升降机有限公司 Hydraulic elevator with protection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080751B (en) * 1954-09-09 1960-04-28 Joyce Cridland Company Backstop for lifting platforms
CN1037126A (en) * 1988-02-02 1989-11-15 皮埃尔·加农 Push actuator
US6382358B1 (en) * 2000-10-31 2002-05-07 Jeffrey Scott Kritzer Safety lock device for automobile lifts
CN2600312Y (en) * 2002-09-20 2004-01-21 刘光荣 Driver's cab hydraulic tilting apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6905457U (en) * 1969-02-11 1969-12-11 Zipperer B Fa LIFT WITH SECURITY DEVICE
AT359694B (en) * 1979-04-13 1980-11-25 Laupper Anton HYDRAULIC LIFTING DEVICE
JPH0518389Y2 (en) * 1986-07-30 1993-05-17
US4875660A (en) 1988-02-02 1989-10-24 Pierre Gagnon Push actuator
US7213796B2 (en) * 2004-07-01 2007-05-08 Gestion Laforest Inc. Linear actuator with releasably interlocking bands

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080751B (en) * 1954-09-09 1960-04-28 Joyce Cridland Company Backstop for lifting platforms
CN1037126A (en) * 1988-02-02 1989-11-15 皮埃尔·加农 Push actuator
US6382358B1 (en) * 2000-10-31 2002-05-07 Jeffrey Scott Kritzer Safety lock device for automobile lifts
CN2600312Y (en) * 2002-09-20 2004-01-21 刘光荣 Driver's cab hydraulic tilting apparatus

Also Published As

Publication number Publication date
DE102007041052A1 (en) 2009-03-05
EP2185465A2 (en) 2010-05-19
EP2185465B1 (en) 2012-07-04
WO2009026899A2 (en) 2009-03-05
WO2009026899A3 (en) 2009-07-30
ES2391531T3 (en) 2012-11-27
CN101795958A (en) 2010-08-04

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Granted publication date: 20130529

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