CN102602846A - Full-automatic lifting system with protective jack - Google Patents
Full-automatic lifting system with protective jack Download PDFInfo
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- CN102602846A CN102602846A CN2012100952388A CN201210095238A CN102602846A CN 102602846 A CN102602846 A CN 102602846A CN 2012100952388 A CN2012100952388 A CN 2012100952388A CN 201210095238 A CN201210095238 A CN 201210095238A CN 102602846 A CN102602846 A CN 102602846A
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- 230000001681 protective effect Effects 0.000 title abstract 3
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000000153 supplemental effect Effects 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
A full-automatic lifting system with a protective jack can be a combined type mechanical lifting unit, and can adopt a posture-maintaining full-automatic lifting mode. An angle sensor is mounted on a lambdoidal door, lifting units with displacement sensors lift, the angle sensors transmit inclination change data of the lambdoidal door to a PLC (programmable logic controller), by the aid of contrast operation, the PLC instructs the lifting units of an X axis and a Y axis which are adjacent to a track, and the purpose that the lambdoidal door lifts at the same posture is achieved. Furthermore, the full-automatic lifting system is provided with the mechanical automatic tracking protective jack, each displacement sensor is arranged between a corresponding big gear wheel and a corresponding screw seat, screws are driven to vertically move in the screw seats along with lifting of cylinders, when larger than or smaller than a set value, the data of the displacement sensors are transmitted to the PLC, by the aid of contract operation, the PLC instructs corresponding motor retarding mechanisms to drive pinions so as to drive the big gear wheels to move, nuts on the big gear wheels vertically move on the screws, and purposes of maintaining a set gap between each nut and the corresponding screw seat and automatically tracking the projective jack in a lifting process are achieved.
Description
Technical field
The present invention relates to a kind of jacking system, especially band is protected top full-automatic lifting system, is a kind of equipment that can make large-sized object up-down and the safe Bao Ding of ability.
Background technology
In Three Gorges Ship Lock annual repairs in 2012, by two fans more than 850 ton the miter gate jack-up of two tame units in charge of construction, fall again after having keeped in repair respectively southern six lock heads.Miter gate's up-down is not allow to occur any contingency, needs a cover and protects ejection device, when oil cylinder has fault, plays stable effect.One tame construction party has used five to overlap independently jacking system, and carries out Bao Ding with the synchronous mode of conventional artificial.Another family expenses be one Chinese patent application number: the mode of 200610019913.3 " multipoint synchronous lifting device and elevating methods thereof ".Though the completion that dual mode is all satisfactory miter gate's up-down task." multipoint synchronous lifting device and elevating method thereof " by contrast obviously is on The application of new technique, to have stepped major step, but this apparatus and method also have some shortcomings; It mainly is to adjust load thing attitude through the displacement of the displacement pickup of each point; The adjustment of attitude is a value of controlling the height of each point by hand, reaches the purpose of control attitude, and the people is depended in the attitude adjustment; Receive emotion influence big, time-consuming.Error in the up-down between each displacement pickup can make the attitude of load thing change, and causes that load thing center of gravity changes, and causes that the stressed of each jack changes, even produces dangerous hidden danger.In addition, the spiral Bao Ding that is used with " multipoint synchronous lifting device and elevating method thereof " is because volume is big; The structure of following buttress and upper padding plate; Make spiral protect the top and can not be placed on miter gate's load-bearing fulcrum, can only be supported on other position, the weak effect of Bao Ding.So the structure of oil cylinder, Bao Ding and a cushion block need be optimized design.Use this method in addition, used eight people to rotate spiral Bao Ding, following the up-down of hydraulic jack; Let top and the load thing of spiral Bao Ding keep certain distance; In case jack is when having fault, spiral is protected the top and can be played and support the miter gate, keeps its height with stable.The more little effect in gap between spiral Bao Ding and the load thing is good more, but the actual artificial operating clearance of each point is not wait, and what have much is many at 20mm.Obviously personnel selection is many, and the weak effect of Bao Ding, so the control of Bao Ding also needs to improve.
Summary of the invention
In order further to improve the series of jacking system; The present invention attempts to provide a kind of band to protect top full-automatic lifting system, and it is the attitude of centering load thing automatically, and it is protected ejection device and can also follow up automatically; And can keep the setting gap between spiral Bao Ding and the load thing; Guarantee just in case situation under, protect the top and can play best firm effect, it is with oil cylinder, mechanical Bao Ding, goes up lower cushion block and be grouped together.
The technical solution adopted for the present invention to solve the technical problems is: band is protected top full-automatic lifting system, comprises mechanics, hydraulic part, electrical control part.Mainly contain three characteristics: first single-piece combined mechanical lifting unit, lifting unit be by oil cylinder, mechanical Bao Ding, and lower bolster, upper junction plate, motor decelerating mechanism, miniature gears, big gear wheel, screw rod, top board is formed, and hydraulic ram is in the centre, and there is mechanical Bao Ding at two ends.The use that is grouped together of hydraulic ram, mechanical Bao Ding and lower bolster; Lower bolster connects hydraulic ram and mechanical Bao Ding; Upper junction plate connects hydraulic ram and mechanical Bao Ding; Machinery Bao Ding is made up of screw rod, nut and screw bolt seat, and screw rod inserts in the screw bolt seat, and there is negative thread the outer ring of nut, can rotate around screw rod.Motor decelerating mechanism connects miniature gears; The inner ring of big gear wheel has negative thread, can rotate around screw rod, and big gear wheel and nut are same parts; The upper end of screw rod is connected above the top board, and insert in the screw bolt seat lower end; Top board is placed on above the oil cylinder, is connected with screw rod.It two is that band is protected top full-automatic lifting system; The full-automatic lifting pattern that keeps attitude; The method of full-automatic lifting is: control system is made up of PLC or computer, touch-screen or telltale, angular transducer, pressure sensor, displacement pickup, oil cylinder working-pressure sensor or oil cylinder working-pressure transmitter; An angular transducer is installed on the load thing, and angular transducer is that ccasual is fixed on the body.Control method is to measure the squareness of load thing through the traditional approach of piano perpendicular line, with the quantitative data input control system, adjusts the angle that angular transducer will be controlled; And can be with this angle zero setting, the attitude when going up and down as the load thing that will control, the automated manner that the load thing keeps same attitude to go up and down is; Let the lifting unit that displacement pickup is installed go up and down; In lifting process, angular transducer is passed to PLC with the data that load thing inclination angle changes, through the contrast computing; The X axle that the PLC instruction is adjacent and the lifting unit of Y axle are followed the tracks of; It can be electrodeless variable that rate of following is directly proportional with the income signal, and the tracking operation that does not stop reaches the purpose that keeps same attitude up-down load thing.It three is mechanical type automatic tracking Bao Ding, and the method for full automaticity Bao Ding is: control system is made up of PLC or computer, touch-screen or telltale, sensor.Mechanical type automatic tracking Bao Ding, the method for full automaticity Bao Ding is: Stroke Displacement Transducer is installed in any one lifting unit, is provided with small displacement sensing device or pressure sensor between big gear wheel and the screw bolt seat; Go up and down to drive screw rod up-and-down movement in screw bolt seat with oil cylinder, the change in displacement supplemental characteristic passes to PLC, is greater than or less than to set when putting; Will be through the contrast computing, PLC instructs corresponding motor decelerating mechanism, Drive pinion to drive the big gear wheel motion; Nut on the big gear wheel moves up and down in screw rod, and the tracking that does not stop moves, and reaches the setting gap of retention nut and screw bolt seat; Play the purpose of automatic tracking Bao Ding in the lifting process, after the load thing is elevated to predetermined stroke, provide a locking signal again; Eliminate the gap of nut and screw bolt seat, reach the purpose of Bao Ding for a long time after the shutdown.
The invention has the beneficial effects as follows that band is protected top full-automatic lifting system, first combined mechanical lifting unit; It two is the full-automatic lifting patterns that keep attitude, and an angular transducer is installed on miter gate's body, lets the lifting unit that displacement pickup is installed go up and down; Angular transducer is passed to PLC with the data that the miter gate inclination angle changes; Through the contrast computing, the X axle that the PLC instruction is adjacent and the lifting unit of Y axle are followed the tracks of, and reach the purpose that keeps same attitude up-down miter gate.It three is mechanical type automatic tracking Bao Ding, is provided with displacement pickup between big gear wheel and the screw bolt seat, goes up and down to drive screw rod up-and-down movement in screw bolt seat with oil cylinder; Displacement pickup is greater than or less than to be set when putting; Data are passed to PLC, and through the contrast computing, PLC instructs corresponding motor decelerating mechanism; Drive pinion drives the big gear wheel motion; Nut on the big gear wheel moves up and down in screw rod, reaches the setting gap of retention nut and screw bolt seat, plays the purpose of automatic tracking Bao Ding in the lifting process.
Hereinafter combines accompanying drawing and embodiment that the present invention is further specified.
Fig. 1 is the lifting unit scheme drawing that band of the present invention is protected top full-automatic lifting system.
Fig. 2 is the lifting unit decomposing schematic representation that band of the present invention is protected top full-automatic lifting system.
Fig. 3 is that band of the present invention is protected top full-automatic lifting system, the scheme drawing during the jacking miter gate.
1. oil cylinders among the figure, 2. mechanical Bao Ding, 3. lower bolster, 4. upper junction plate, 5. motor decelerating mechanism, 6. miniature gears, 7. big gear wheel, 8. screw rod, 9. top board, 10. miter gate, 11. lifting units.
The specific embodiment: Fig. 1 band is protected the lifting unit scheme drawing of top full-automatic lifting system, and the lifting unit in this example is mainly by oil cylinder (1), mechanical Bao Ding (2), lower bolster (3); Upper junction plate (4), motor decelerating mechanism (5), miniature gears (6), big gear wheel (7); Screw rod (8) top board (9) is formed, because size is bigger, divides the making of coming; The use that is grouped together again, oil cylinder (1) is in the centre, and there is mechanical Bao Ding (2) at two ends.Oil cylinder (1) plays main lift action, plays load thing jack-up or the purpose that falls; Machinery Bao Ding (2) is the spiral Bao Ding that is similar to electric screw-jacks on the structure, does not receive load thing pressure during up-down, only plays and follows the tracks of the oil cylinder up-down, keeps the effect with the oil cylinder synchronization lifting.Lower bolster (3) plays and connects oil cylinder (1) and mechanical Bao Ding (2), and plays the area that increases the lifting unit base, plays to increase that to deposit pressure surface long-pending, reduces the effect of load thing to ground-surface compression effort; Upper junction plate (4) plays oil cylinder (1) and mechanical Bao Ding (2) effect of connecting; Motor decelerating mechanism (5) connects the also effect of ability Drive pinion (6); Miniature gears (6) works to drive big gear wheel (7); The inner ring of big gear wheel (7) has negative thread, can be around screw rod (8) rotation, and big gear wheel (7) also is a nut, its end face can play the effect of pressure-bearing Bao Ding when contacting with the screw bolt seat end face; The upper end of screw rod (8) is connected above the top board (9), and insert in the screw bolt seat lower end, the guide pillar during as up-down; Top board (9) is placed on above the oil cylinder, plays and strengthens the effect that the load thing is deposited pressure surface, has been connected the effect of Bao Ding on the other hand with screw rod.Band is protected the lifting unit of top full-automatic lifting system, can simplify, and removes miniature gears (6), big gear wheel (7) and motor decelerating mechanism (5), only keeps the nut on the big gear wheel (7), just becomes the combined type lifting unit of manual Bao Ding.
Fig. 2 is the lifting unit decomposing schematic representation that band of the present invention is protected top full-automatic lifting system, oil cylinder among the figure (1), mechanical Bao Ding (2); Lower bolster (3), upper junction plate (4), motor decelerating mechanism (5); Miniature gears (6), big gear wheel (7), screw rod (8); Top board (9), miter gate (10), lifting unit (11).Hydraulic ram (1) and mechanical Bao Ding (2) be also circular configuration, and lower bolster (3) is made into band type.
Fig. 3 is that band of the present invention is protected top full-automatic lifting system, the scheme drawing during the jacking miter gate, and miter gate among the figure (10) is by four lifting units (11) jack-up.
Claims (8)
1. band is protected top full-automatic lifting system; It is characterized in that: band is protected top full-automatic lifting system; Comprise mechanics, hydraulic part, electrical control part; The combined mechanical lifting unit is made up of oil cylinder, mechanical Bao Ding, lower bolster, upper junction plate, motor decelerating mechanism, miniature gears, big gear wheel, screw rod, top board; The use that is grouped together of oil cylinder, mechanical Bao Ding and lower bolster.
2. band according to claim 1 is protected top full-automatic lifting system, and it is characterized in that: oil cylinder is in the centre, and there is mechanical Bao Ding at two ends, and lower bolster connects oil cylinder and mechanical Bao Ding; Upper junction plate connects oil cylinder and mechanical Bao Ding.
3. band according to claim 1 is protected top full-automatic lifting system, and it is characterized in that: mechanical Bao Ding is made up of screw rod, nut and screw bolt seat, and screw rod inserts in the screw bolt seat, and there is negative thread the outer ring of nut, can rotate around screw rod.
4. band according to claim 1 is protected top full-automatic lifting system, it is characterized in that: motor decelerating mechanism connects miniature gears; The inner ring of big gear wheel has negative thread, can rotate around screw rod.
5. band according to claim 1 is protected top full-automatic lifting system, and it is characterized in that: the upper end of screw rod is connected above the top board, and insert in the screw bolt seat lower end, and top board is placed on above the oil cylinder, is connected with screw rod.
6. band according to claim 1 is protected top full-automatic lifting system, and it is characterized in that: the angular transducer ccasual is fixed on the body.
7. band according to claim 1 is protected top full-automatic lifting system, it is characterized in that: band is protected top full-automatic lifting system, keeps the full-automatic lifting pattern of attitude; The method of full-automatic lifting is: control system is made up of PLC or computer, touch-screen or telltale, angular transducer, pressure sensor, displacement pickup, oil cylinder working-pressure sensor or oil cylinder working-pressure transmitter, and an angular transducer is installed on the load thing, and control method is to measure the squareness of load thing through the traditional approach of piano perpendicular line; With the quantitative data input control system, adjust the angle that angular transducer will be controlled, and can be with this angle zero setting; Attitude when going up and down as the load thing that will control; The automated manner that the load thing keeps same attitude to go up and down is to let the lifting unit that displacement pickup is installed go up and down, in lifting process; Angular transducer is passed to PLC with the data that load thing inclination angle changes; Through the contrast computing, the X axle that the PLC instruction is adjacent and the lifting unit of Y axle are followed the tracks of, and it can be electrodeless variable that rate of following is directly proportional with the income signal; The tracking operation that does not stop reaches the purpose that keeps same attitude up-down load thing.
8. band according to claim 1 is protected top full-automatic lifting system, it is characterized in that: mechanical type automatic tracking Bao Ding, and the method for full automaticity Bao Ding is: Stroke Displacement Transducer is installed in any one lifting unit; Be provided with small displacement sensing device or pressure sensor between big gear wheel and the screw bolt seat, go up and down to drive screw rod up-and-down movement in screw bolt seat with oil cylinder, the change in displacement supplemental characteristic passes to PLC; Be greater than or less than and set when putting, will be through contrasting computing, PLC instructs corresponding motor decelerating mechanism; Drive pinion drives the big gear wheel motion, and the nut on the big gear wheel moves up and down in screw rod, the tracking operation that does not stop; Reach the setting gap of retention nut and screw bolt seat; Play the purpose of automatic tracking Bao Ding in the lifting process, after the load thing is elevated to predetermined stroke, provide a locking signal again; Eliminate the gap of nut and screw bolt seat, reach the purpose of Bao Ding for a long time after the shutdown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210095238.8A CN102602846B (en) | 2012-04-01 | 2012-04-01 | Top full-automatic lifting system protected by band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210095238.8A CN102602846B (en) | 2012-04-01 | 2012-04-01 | Top full-automatic lifting system protected by band |
Publications (2)
| Publication Number | Publication Date |
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| CN102602846A true CN102602846A (en) | 2012-07-25 |
| CN102602846B CN102602846B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210095238.8A Expired - Fee Related CN102602846B (en) | 2012-04-01 | 2012-04-01 | Top full-automatic lifting system protected by band |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253609A (en) * | 2013-04-27 | 2013-08-21 | 中国长江三峡集团公司 | Jacking fixing system |
| CN107840271A (en) * | 2017-11-15 | 2018-03-27 | 江西福事特液压有限公司 | Automatic lifting follows mechanical safety |
| CN108584830A (en) * | 2018-05-14 | 2018-09-28 | 长江三峡通航管理局 | A kind of hydraulic jack and control method with mechanical self-latching protective device |
| WO2018201236A1 (en) * | 2017-05-03 | 2018-11-08 | 8082464 Canada Inc. | Shovel lifting system and method |
| CN108910757A (en) * | 2017-06-15 | 2018-11-30 | 苗娥 | Lifting device for medical equipment |
| CN110714956A (en) * | 2019-09-10 | 2020-01-21 | 安徽博微长安电子有限公司 | Large array surface antenna stacking type lifting control system and method thereof |
| CN112573417A (en) * | 2020-12-02 | 2021-03-30 | 上海蔚建科技有限公司 | Automatic lifting mechanism |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253609A (en) * | 2013-04-27 | 2013-08-21 | 中国长江三峡集团公司 | Jacking fixing system |
| CN103253609B (en) * | 2013-04-27 | 2015-09-30 | 中国长江三峡集团公司 | Top jacking system |
| US11851309B2 (en) | 2017-05-03 | 2023-12-26 | 8082464 Canada Inc. | Shovel lifting system and method |
| AU2018262118B2 (en) * | 2017-05-03 | 2023-10-05 | 8082464 Canada Inc. | Shovel lifting system and method |
| WO2018201236A1 (en) * | 2017-05-03 | 2018-11-08 | 8082464 Canada Inc. | Shovel lifting system and method |
| CN108910757B (en) * | 2017-06-15 | 2021-01-05 | 赵妮 | Lifting device for medical equipment |
| CN109095393A (en) * | 2017-06-15 | 2018-12-28 | 苗娥 | A kind of lifting device for Medical Devices |
| CN109095393B (en) * | 2017-06-15 | 2020-12-29 | 青岛大学附属医院 | Lifting device for medical equipment |
| CN108910757A (en) * | 2017-06-15 | 2018-11-30 | 苗娥 | Lifting device for medical equipment |
| CN107840271A (en) * | 2017-11-15 | 2018-03-27 | 江西福事特液压有限公司 | Automatic lifting follows mechanical safety |
| CN108584830A (en) * | 2018-05-14 | 2018-09-28 | 长江三峡通航管理局 | A kind of hydraulic jack and control method with mechanical self-latching protective device |
| CN110714956A (en) * | 2019-09-10 | 2020-01-21 | 安徽博微长安电子有限公司 | Large array surface antenna stacking type lifting control system and method thereof |
| CN110714956B (en) * | 2019-09-10 | 2021-07-16 | 安徽博微长安电子有限公司 | Large array surface antenna stacking type lifting control system and method thereof |
| CN112573417A (en) * | 2020-12-02 | 2021-03-30 | 上海蔚建科技有限公司 | Automatic lifting mechanism |
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|---|---|
| CN102602846B (en) | 2016-01-20 |
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Address after: 225400 Taixing Economic Development Zone, Binjiang Town, Tongjiang Road, No. 186, No. Patentee after: Yang Tianhua Address before: 311827 Zhejiang city of Shaoxing province Zhuji City Road No. 32 two floor in town Patentee before: Yang Tianhua |
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Effective date of registration: 20161207 Address after: 413200 Yiyang city of Hunan province Nanxian Nanzhou town renaissance Street No. 149 Patentee after: Cui Jin Address before: 225400 Taixing Economic Development Zone, Binjiang Town, Tongjiang Road, No. 186, No. Patentee before: Yang Tianhua |
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