CN1958433A - Lifting device for lifting heavy - Google Patents

Lifting device for lifting heavy Download PDF

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Publication number
CN1958433A
CN1958433A CNA200610004916XA CN200610004916A CN1958433A CN 1958433 A CN1958433 A CN 1958433A CN A200610004916X A CNA200610004916X A CN A200610004916XA CN 200610004916 A CN200610004916 A CN 200610004916A CN 1958433 A CN1958433 A CN 1958433A
Authority
CN
China
Prior art keywords
bont
weight
linear drive
force
loading force
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.)
Granted
Application number
CNA200610004916XA
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Chinese (zh)
Other versions
CN1958433B (en
Inventor
周洪
张仁铭
A·诺格鲍尔
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.)
Festo SE and Co KG
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Festo SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of CN1958433A publication Critical patent/CN1958433A/en
Application granted granted Critical
Publication of CN1958433B publication Critical patent/CN1958433B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B66F7/04Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars hydraulically or pneumatically operated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/02Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or imbalance
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C7/00Arrangements for writing information into, or reading information out from, a digital store

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

This invention provides a lifting apparatus for lifting heavy including a heavy accommodating apparatus (10) which can be lifted and lowered by a straight line driving system (13,14). A hydraulic operating cylinder system (16,17) applies an upward force to the heavy accommodating apparatus (10), wherein the liquid pressure for the hydraulic operating cylinder system (16,17) is adjustable by which part of the corresponding downward load force by heavy is balanced. Thereby, by setting a lifting force generated from liquid pressure which is generated according to the corresponding load force for the hydraulic operating cylinder system, such as generated by the straight line driving system (13,14), the lifting force can be promptly and easily adjusted to a constant optimum value.

Description

Be used to promote the bont of weight
Technical field
The present invention relates to a kind of bont that is used to promote weight, it has a weight storing apparatus that can be raised and reduce by linear drive system.
Background technology
In the time must promoting the weight that differs greatly with same straight line transfer scheme, then for such bont a special problem can appear.To this, under the simplest situation, the straight line transfer scheme must adapt to the maximum weight that occurs with regard to its hoisting force.Its shortcoming is, size gets very big linear drive system with the very little weight of post-processing the time, can not carry out identical again and the pulsation-free motion.Known this way to solve the problem is at less relatively weight, according to the size design linear drive system of power, and when bigger weight occurs, then to set these upwards compensation weight of extruding.In this disadvantageous mode, then these compensation weight must be replaced repeatedly, and adapt to every weight.
Such as in the production of TFT-screen, such problem appears in the transportation of glass substrate (glass board).The size of glass substrate is that 2M is square generally speaking, and is inserted in the shelf and transports.Its weight of such shelf can reach 800kg.When such shelf is transported through workshop and warehouse, for four corners being kept clear as escape route, must shelf be promoted during by four corners and then reduce each according to corresponding regulation.The glass end liner is very responsive to vibrations, therefore must guarantee to avoid vibrations in the lifting of shelf and reduction process.The problem of describing according to when beginning is being used for promoting and when reducing shelf, has used the counterweight with described shortcoming here in known manner the linear drive system size is very big.
Summary of the invention
Task of the present invention is to provide a kind of bont that is used to promote weight, even it also can be worked reposefully under the very big situation of weight difference, and does not need to adapt to counterweight loaded down with trivial detailsly.
This purpose realizes by a kind of bont with claim 1 feature according to the present invention.
The liquid of liquid working cylinder system can be calmed the anger in an advantageous manner changeably is provided with, and makes can reach the loading force balance to each weight, its role is to, linear drive system can be always with identical propulsive effort in best region work.Here being provided with of fluid pressure can be carried out fast simplely, and adapts with each weight.Under the situation of the different sizes of all weights, it also can remain the pulsation-free lifter motion.
By the measure of mentioning in the dependent claims, can draw the favourable improvement project of the bont of claim 1.
In order to produce the hoisting force of symmetry as far as possible, linear drive system preferably is at least an electronic or compressed-air controlled linear drive apparatus, and preferably is made up of a plurality of parallel linear drive apparatus separately.
The fluid pressure that is used to produce the clutch release slave cylinder system of balancing force can depend in an advantageous manner that respective weight is set up or is adjusted to a steady state value respectively.For this reason, the clutch release slave cylinder optimum system choosing by one have can predetermined rated pressure pressure control valve device be connected on the pressure source.
In order also to produce the balancing force of symmetry as far as possible, the clutch release slave cylinder system is made up of a plurality of parallel clutch release slave cylinders separately equally.
The fluid pressure that is used to produce the clutch release slave cylinder system of the balancing force that depends on respective loads power can be set up in an advantageous manner, thereby the propulsive effort that is used in the essential linear drive system that weight promotes is basic identical all the time.Here, by linear drive system being used for of applying propulsive effort that weight promotes corresponding to the difference between loading force and the balancing force.In order to reach a continuous as far as possible and pulsation-free motion, the propulsive effort of linear drive system is located at its best effort power zone in an advantageous manner.
Can carry out automatically as much as possible for the adjusting that makes balancing force, set a device that is used to reset and/or presets loading force, set one here and be used for the self-measuring loading force and to by the self-checking device of regulating balancing force according to this loading force.The device that is used in addition to reset and/or presets loading force can comprise a title when full-automatic regulation.Optionally or additionally can also be provided with a memory storage that is used to import loading force and balancing force, and self-checking device then has a reading device that is used to select memory contents, and calculate thus should fluid pressure to be determined.
Memory storage can be made of electricity, magnetic or bar code-memory storage.Predesignating of memory contents can be automatically by claiming or manually carrying out.
The weight storing apparatus can suitably be made of bay-lift.
Description of drawings
The description that reaches the back in conjunction with the accompanying drawings is described in further detail one embodiment of the present of invention, wherein:
The perspective illustration of a bont of Fig. 1, it have load-carrying supplementary device that two linear drive apparatus and one is made up of two clutch release slave cylinders and
Block schematic diagram that principle of work is elaborated of Fig. 2.
The specific embodiment
The bont that is described as embodiments of the invention in Fig. 1 is used for the lifting and the reduction of weight.Each weight is placed on the bay-lift 10 as the weight storing apparatus, has two raceways 11 that are installed on this bay-lift 10 to carry out work here.Other devices also can replace raceway 11 to be used for the light exercise of weight, and as the air cushion guide piece, slide rail rolls all things that also can expect such as rail or transportation device under the most easy situation.
On a plate-shaped base 12, there are two vertical linear drive apparatus 13,14 medially to be installed on the opposite side of pedestal 12 respectively, pedestal also can be frame shape or have other a basic support.Here be such as the linear drive apparatus 13,14 of electrically operated or hydraulic pressure.From the longitudinal slot 9 of linear drive apparatus 13,14, given prominence to and from described transparent view, can only see one actuator 15.This actuator 15 is located on linear drive apparatus 13,14 driver element separately, as being installed on the hydraulic piston under the situation of a fluid pressure drive device, or is being installed under the situation of a motorized motions on axle, driving belt or the magnet rotor.Here all linear drive apparatus types of knowing can be used.A hydraulic drive cylinder as linear drive apparatus for example can be made of the seam formula cylinder of knowing, and as disclosed by EP 0 612 377 B1 or EP 1 182 359 B1, wherein the slit of actuator by cylinder is outstanding, cylinder in all the other zones by elastic seal.
Two relative angles as pedestal 12 have two hydraulic cylinders 16,17 vertically to be provided with, they are used to produce a balancing force that depends on the weight that each is to be lifted, no matter corresponding thus weight weight size must produce identical propulsive effort all the time by linear drive apparatus 13,14.As two linear drive apparatus 13,14 such as be set total propulsive effort of a 500N, they have reached optimum degree to this, if and the weight that must to lift a gravity be 8000N, then the hydraulic cylinder 16,17 must produce a balancing force that is total up to 7500N, in other words, must load it with a constant fluid pressure that produces the 7500N balancing force.
As long as the piston stroke length that needs is not excessive, can also use seam formula cylinder or conventional cylinder as hydraulic cylinder 16,17.That yes is variable for the setting of linear drive apparatus 13,14 and clutch release slave cylinder 16,17 and quantity.Therefore such as also can the hydraulic cylinder 16,17 that be used to produce a balancing force be installed all on all four angles of pedestal 12, perhaps carry out in opposite mode with the setting between the linear drive apparatus at clutch release slave cylinder.In order to place or promote weight, a side of bay-lift 10 should keep unimpeded by rights at this.
Linear drive apparatus 13,14 also can be provided with in a lifting cage or elevator shaft or winding shaft with the structure of clutch release slave cylinder 16,17.In order to ensure the stability of necessity of bont, vertical linear drive apparatus 13,14 and hydraulic cylinder 16,17 must be propped up with diagonal brace with fixing in the mode that requires certainly in addition.In scheme drawing shown in Figure 1, omitted describing to such diagonal brace or hoistway in order to simplify.
According to diagram of block shown in Figure 2, two linear drive apparatus 13,14 are by electric controller 18 Be Controlled and location, and here linear drive apparatus 13,14 suitably are made of positioning drive unit, and have the ranging system that does not show accordingly.At one more in the simple proposal, to promote or reduce motion in order to make in high and minimum position startup, also only set limit switch.Controller for electric consumption 18 can be constituted and/or can be contained at least one controller by PLC.
In addition by 18, two hydraulic cylinders 16,17 of controller for electric consumption by one by such as pressure control valve 19 Be Controlled that pressure control-apportioning valve constitutes.Distribute oneself a pressure control valve can certainly for each clutch release slave cylinder 16,17.In electric controller 18, the fluid pressure that need be used to produce balancing force is calculated, and is provided for pressure control valve 19 as rated value.This valve is connected on the pressure source 20, and the fluid pressure of setting as rated value in the clutch release slave cylinder 16,17 is adjusted to a corresponding steady state value according to corresponding weight.For this reason, pressure is measured by means of a pressure inductor 21, and is provided for pressure control valve 19 as actual value.This actual value also can be apprised of controller for electric consumption 18 in principle, directly a control signal corresponding is transported to the pressure control valve 19 that is made of apportioning valve thereby replace a rated value control setup.
For the situation that linear drive apparatus 13,14 is made of the hydraulic cylinder equally, its control is undertaken by at least one pressure control valve certainly equally, and this valve can be made of apportioning valve equally.This pressure control-the apportioning valve that is used for adjustment pressure passes through such as DE202005006127U is open.
For by setting the full-automatic regulation that certain fluid pressure compensates power, weight or its loading force are transfused in the memory device 22.This may be a magnetic or electrical storage, here also be feasible with a bar coding as memory storage.This memory device 22 or be located immediately on the weight perhaps is positioned on the device that holds weight, on a plate.When weight being placed or shifts onto on the horizontal bay-lift 10 or before a moment, by means of a wireless reading device 23, the value of weight is read out and offers controller for electric consumption 18 there.Because linear drive apparatus 13,14 should not be subjected to the influence of weight weight size to apply identical propulsive effort or hoisting force all the time, the difference between loading force and this hoisting force is calculated in controller for electric consumption 18.Difference causes the balancing force that should be applied by clutch release slave cylinder 16,17.Therefore in order to be provided with or to regulate corresponding liquid pressure, control setup 18 has generated a control signal that meets this balancing force for pressure control valve 19.
The storage of loading force in memory device 22 also can be carried out automatically by following mode, and promptly the haulway of a weight or a corresponding weight storing apparatus is by a title generation of observed reading being read in automatically memory device 22.In principle, can be integrated in the horizontal bay-lift 10 claiming.

Claims (14)

1. be used to promote the bont of weight, it comprises can pass through linear drive system (13,14) be raised and the weight storing apparatus (10) that reduces, and comprise weight storing apparatus (10) is applied the upwards hydraulic cylinder system (16 of the power of effect, 17), the fluid pressure of scalable cylinder system is balanced the part of the loading force that is acted on by corresponding weight downwards.
2. bont according to claim 1 is characterized in that, linear drive system (13,14) is made of at least one electricity or pneumatic linear drive apparatus.
3. bont according to claim 1 and 2 is characterized in that, linear drive system (13,14) is made up of a plurality of parallel linear drive apparatus separately.
4. according to each described bont in the aforementioned claim, it is characterized in that the fluid pressure that is used for clutch release slave cylinder system (16,17) can be set up or be adjusted to the steady state value that depends on respective weight respectively.
5. bont according to claim 4 is characterized in that, clutch release slave cylinder system (16,17) is connected to pressure source by a pressure control valve system (19).
6. according to each described bont in the aforementioned claim, it is characterized in that clutch release slave cylinder system (16,17) is made up of a plurality of parallel clutch release slave cylinders separately.
7. according to each described bont in the aforementioned claim, it is characterized in that, be used to depend on that corresponding gravity produces the clutch release slave cylinder system (16 of balancing force, 17) fluid pressure can be conditioned, the propulsive effort that is used in the essential linear drive system (13,14) that weight promotes is basic identical all the time.
8. bont according to claim 7 is characterized in that, by linear drive system (13,14) being used for of producing propulsive effort that weight promotes corresponding to the difference between loading force and the balancing force.
9. according to claim 7 or 8 described bonts, it is characterized in that the propulsive effort of linear drive system (13,14) can be adjusted in its best effort power zone.
10. according to each described bont in the claim 7 to 9, it is characterized in that, set the device (22) that is used to reset and/or presets loading force, and be provided with that self-checking device is used for the self-measuring loading force and regulating by the balancing force of this loading force decision.
11. bont according to claim 10 is characterized in that, is used to reset and/or the device (22) that presets loading force contains title.
12. according to claim 10 or 11 described bonts, it is characterized in that, the device (22) that is used to reset and/or presets loading force has the memory storage that is used to import loading force and/or balancing force, and self-checking device has the reading device (23) that is used to read memory contents.
13. bont according to claim 12 is characterized in that, memory storage is made of electrically operated, magnetic or bar code stores device.
14., it is characterized in that weight storing apparatus (10) is made of bay-lift according to each described bont in the aforementioned claim.
CN200610004916XA 2005-11-04 2006-01-12 Lifting device for lifting heavy Expired - Fee Related CN1958433B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005052651 2005-11-04
DE102005052651.9 2005-11-04

Publications (2)

Publication Number Publication Date
CN1958433A true CN1958433A (en) 2007-05-09
CN1958433B CN1958433B (en) 2011-04-13

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CN200610004916XA Expired - Fee Related CN1958433B (en) 2005-11-04 2006-01-12 Lifting device for lifting heavy

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KR (1) KR20070048565A (en)
CN (1) CN1958433B (en)
TW (1) TWI357401B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586899A (en) * 2017-01-15 2017-04-26 佛山市佛禅健康管理有限公司 Heavy object storage device
CN110040613A (en) * 2019-04-18 2019-07-23 日立电梯(中国)有限公司 The support mechanism and load-bearing method of door-plate and the elevator comprising the support mechanism
CN110407127A (en) * 2019-07-11 2019-11-05 电子科技大学 A kind of large hydraulic straight line lifting platform
CN111232865A (en) * 2020-03-27 2020-06-05 蒋利科 Automatic elevator discharging device based on gravity balance control

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220086801A (en) 2020-12-17 2022-06-24 김근호 Cargo Lifter for Vehicle Roof

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US4516473A (en) * 1981-05-07 1985-05-14 Shokestu Kinzoku Kogyo Kabushiki Kaisha Cylinder driving system
CN2229920Y (en) * 1994-10-31 1996-06-26 济南市锻造厂 Four column type hydraulic lifting gear
JPH10120400A (en) * 1996-10-18 1998-05-12 Susumu Hasegawa Container elevating device
JP2000007292A (en) * 1998-06-22 2000-01-11 Toyooki Kogyo Co Ltd Elevator
JP2002205894A (en) * 2001-01-09 2002-07-23 Tsubakimoto Chain Co Step solver
KR100428359B1 (en) * 2001-08-23 2004-04-30 현대자동차주식회사 Drop lifter system
JP2003073100A (en) * 2001-09-05 2003-03-12 Kayaba Ind Co Ltd Hydraulic control device of heavy goods elevator
CN2579867Y (en) * 2002-08-05 2003-10-15 李兆祺 Lift for automobile repair

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586899A (en) * 2017-01-15 2017-04-26 佛山市佛禅健康管理有限公司 Heavy object storage device
CN110040613A (en) * 2019-04-18 2019-07-23 日立电梯(中国)有限公司 The support mechanism and load-bearing method of door-plate and the elevator comprising the support mechanism
CN110040613B (en) * 2019-04-18 2021-12-10 日立电梯(中国)有限公司 Load-bearing mechanism and load-bearing method of door panel and elevator comprising load-bearing mechanism
CN110407127A (en) * 2019-07-11 2019-11-05 电子科技大学 A kind of large hydraulic straight line lifting platform
CN110407127B (en) * 2019-07-11 2021-04-13 电子科技大学 Large-scale hydraulic linear lifting platform
CN111232865A (en) * 2020-03-27 2020-06-05 蒋利科 Automatic elevator discharging device based on gravity balance control

Also Published As

Publication number Publication date
TW200718637A (en) 2007-05-16
CN1958433B (en) 2011-04-13
KR20070048565A (en) 2007-05-09
TWI357401B (en) 2012-02-01

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Granted publication date: 20110413

Termination date: 20180112