CN102758426A - Locking device of lifting platform - Google Patents
Locking device of lifting platform Download PDFInfo
- Publication number
- CN102758426A CN102758426A CN201110108709XA CN201110108709A CN102758426A CN 102758426 A CN102758426 A CN 102758426A CN 201110108709X A CN201110108709X A CN 201110108709XA CN 201110108709 A CN201110108709 A CN 201110108709A CN 102758426 A CN102758426 A CN 102758426A
- Authority
- CN
- China
- Prior art keywords
- rack
- locking
- platform
- locking device
- elevating platform
- 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
Links
Images
Landscapes
- Actuator (AREA)
Abstract
A locking device of a lifting platform comprises a platform support, a locking rack, a first driver, a pile leg, a lifting rack and an oscillating hydraulic cylinder, wherein the pile leg is used for supporting the platform support, the lifting rack is arranged on the pile leg, the first driver is used for driving the locking rack to move so that the locking rack can be engaged with or separated from the lifting rack, one end of the oscillating hydraulic cylinder is hinged onto a point A of the platform support, the other end of the oscillating hydraulic cylinder is hinged onto a point B of the locking rack, and when the height of the platform support is adjusted, an included angle a between a line segment AB and the pile leg is larger than or equal to 0 degree or smaller than or equal to 90 degrees. By means of adjusting oil pressure of a rodless cavity and a rod cavity of the oscillating hydraulic cylinder, vertical displacement of the locking rack can be accurately adjusted, and adjustment time is saved.
Description
Technical field
The present invention relates to a kind of elevating platform, relate in particular to a kind of locking device of elevating platform.
Background technology
Elevating platform is a kind of mobile ocean engineering platform that is used for marine energy sources exploitation and prospecting, and this platform can arrive predetermined area work through the barge traction.The chief component of elevating platform is the spud leg of working platform, support platform, the power set of control workbench lifting and the locking device behind the working platform location.After working platform is adjusted to suitable height, need to start locking device platform is pinned, by the support and the locking of locking device implementation platform.
Existing locking device comprises locking rack, be used to promote or drive lifter rack engagement or the dynamical element that separates on locking rack and the spud leg, be used to promote the lifter that locking rack moves up and down.After working platform is adjusted to suitable height, start dynamical element, thereby promote locking rack and lifter rack engagement; When the tooth top of the tooth top of locking rack and lifter rack is relative; Start lifter, promote locking tooth piece and move up and down, make; The tooth top of locking rack is relative with the teeth groove of lifter rack, thereby makes locking rack and lifter rack mesh smoothly.
Yet in actual use, discovery need be through the stroke of repeatedly adjustment lifter, and the teeth groove of tooth top and lifter rack that can reach locking rack is relative.
Summary of the invention
In view of this, be necessary to provide a kind of elevating platform locking device of being convenient to adjust the locking rack upper and lower displacement.
A kind of locking device of elevating platform; Comprise platform support, locking rack, first driver, be used for the spud leg of support platform support and be arranged at the lifter rack on the spud leg; First driver moves in order to drive locking rack, makes locking rack or to separate with the lifter rack engagement, and said elevating platform locking device also comprises the swing fluid cylinder; Said swing fluid cylinder one end is articulated on the A point of platform support; The other end is articulated on the B point of locking rack, and when the height of adjustment rack platform, the angle a between line segment AB and the spud leg is more than or equal to 0 degree and smaller or equal to 90 degree.
Said swing fluid cylinder is used to support locking rack.
When said locking rack and the engagement of said lifter rack; Smaller or equal to 90 degree, and angle a and wedge angle b sum equal to swing the angle that the position of fluid cylinder 70 when adjusting the height of rack platform swings to locked position to angle b between said line segment AB and the spud leg more than or equal to 0 degree.
Said angle a spends smaller or equal to 20 more than or equal to 1 degree.
Said angle a is 5 degree.
Said swing fluid cylinder comprises cylinder body, first piston bar and second piston rod, and said cylinder body is divided into first chamber and second chamber by dividing plate, and said first piston bar is arranged in first chamber versatilely, and said second piston rod is arranged in second chamber versatilely.
Said cylinder body hinged with platform support on, said second piston rod is articulated on the said locking rack.
Said swing fluid cylinder comprises cylinder body, piston rod and flexible member, and said cylinder body is divided into first chamber and second chamber by dividing plate, and said flexible member is arranged in first chamber, and said piston rod is arranged in second chamber versatilely.
Said cylinder body hinged with platform support on, said piston rod is articulated on the said locking rack.
Said first driver is a fluid cylinder, and an end of said fluid cylinder is articulated on the platform support, and the other end is articulated on the locking rack, said fluid cylinder be used to promote said locking rack near or direction away from said lifter rack on move.
The number of said fluid cylinder is two, and these two fluid cylinders are set up in parallel between said platform support and described locking rack.
The locking device of said elevating platform also comprises two wedges and two second drivers, and said two wedges are arranged at the two ends of locking rack respectively, said two second drivers in order to drive two wedges near or move away from the locking rack direction.
Said second driver is the turbine and worm lifter.
The locking device of above-mentioned elevating platform is realized the accurate adjustment of adjustment locking rack upper and lower displacement through the rodless cavity of adjustment swing fluid cylinder and the oil pressure of rod chamber, has practiced thrift the time of adjustment.
Description of drawings
Fig. 1 is the sketch map of the locking device of a preferred embodiment elevating platform.
Fig. 2 is the sketch map of swing fluid cylinder among Fig. 1.
Fig. 3 is the sketch map of first locking state of the locking device of elevating platform among Fig. 1.
Fig. 4 is the sketch map of second locking state of the locking device of elevating platform among Fig. 1.
Fig. 5 is the sketch map of another preferred embodiments swing fluid cylinder.
Specific embodiment
As shown in Figure 1, be the sketch map of the locking device 100 of a preferred embodiment elevating platform.The locking device 100 of elevating platform comprises spud leg 10, platform support 20, locking rack 30, first driver 40, two wedges 50, two second drivers 60 and swing fluid cylinder 70.
Spud leg 10 is used for support platform support 20, and spud leg 10 is provided with lifter rack 11.
Offer two chutes 21 on the platform support 20.Two chutes 21 laterally arrange with spud leg 10, and two chutes 21 are arranged on the same straight line at interval.
First driver, 40 1 ends connect locking rack 30, and the other end connects platform support 20.First driver 40 is used to drive locking rack 30 and lifter rack 11 engagements, perhaps drives locking rack 30 and separates in lifter rack 11.In this embodiment, this first driver 40 is the fluid cylinder that resets.The number of fluid cylinder of resetting is two.
Two wedges 50 are arranged at the two ends of locking rack 30 respectively, and are arranged at slidably respectively in two chutes 21.
Two second drivers 60 are arranged at the outside of two wedges 50, and the one of which end is fixed on the platform support 20, and the other end connects two wedges 50 respectively, in order to drive two wedges 50 near or move away from locking rack 30 directions.When locking rack 30 meshed with lifter rack 11, two second drivers 60 promoted two wedges 50 near the motion of locking rack 30 directions, push locking rack 30, prevent that locking rack 30 from separating with lifter rack 11.
In this embodiment, two second drivers 60 are the turbine and worm lifter, and in other embodiments, two second drivers 60 can be driving elements such as fluid cylinder.
In this embodiment, swing fluid cylinder 70 is a secondary fluid cylinder.Swing fluid cylinder 70 comprises cylinder body 71, first piston bar 73 and second piston rod 75.Cylinder body 71 hinged with platform support 20 on, and be divided into first chamber 711 and second chamber 713 by dividing plate 77.First piston bar 73 is arranged in first chamber 711 versatilely, and second piston rod 75 is arranged in second chamber 713 versatilely, and its end is articulated in locking rack 30.
After assembling is accomplished in order; Need oil-feed in the rodless cavity of first chamber 711 of swinging fluid cylinder 70 earlier; Thereby make first piston bar 73 promote the gravity rising that second piston rod 75 overcomes locking rack 30; When locking rack 30 arrival operating positions, the rodless cavity of first chamber 711 is carried out pressurize, prevent that locking rack 30 accidents from dropping.
As shown in Figure 1, the state of the locking device 100 of elevating platform during for the adjustment podium level.Please consult Fig. 3 and Fig. 4 simultaneously,, then need platform support 20 be lock onto on the spud leg 10, at first, start first driver 40, promote locking rack 30 and lifter rack 11 engagements when the height adjustment of platform finishes.When the teeth groove of the tooth top of locking rack 30 and lifter rack 11 is relative, overcome swing fluid cylinder 70 active forces, the tooth top of locking rack 30 slips in the teeth groove of lifter rack 11 smoothly, thereby realizes locking.When the tooth top of the tooth top of locking rack 30 and lifter rack 11 is relative; The rodless cavity of second chamber 713 of adjustment swing fluid cylinder 70 and the oil pressure of rod chamber; Drive second piston rod 75 upwards or move downward, thereby drive locking rack 30 upwards or move downward, thereby make that the teeth groove of tooth top and lifter rack 11 of locking rack 30 is relative; The tooth top of locking rack 30 slips in the teeth groove of lifter rack 11 smoothly, thereby realizes locking.At last, start two second drivers 60, promote two wedges 50 respectively, push locking rack 30, prevent that further locking rack 30 from separating with lifter rack 11 near the motion of locking rack 30 directions.
When needs are removed locking state; At first start two second drivers 60, drive two wedges 50 respectively, unclamp locking rack 30 to away from the motion of locking rack 30 directions; Restart first driver 10; Drive locking rack 30 to direction motion, make locking rack 30 separate, thereby remove the locking of locking rack 30 and lifter rack 11 with lifter rack 11 away from lifter rack 11.
The locking device of above-mentioned elevating platform is realized the accurate adjustment of adjustment locking rack 30 upper and lower displacements, thereby is avoided adjusting repeatedly through the rodless cavity of second chamber 713 of adjustment swing fluid cylinder 70 and the oil pressure of rod chamber.
See also Fig. 5, be the sketch map of another preferred embodiments swing fluid cylinder 80.Swing fluid cylinder 80 1 ends are articulated on the platform support 20, and the other end is articulated on the locking rack 30, and is positioned at the center of gravity place of locking rack 30.Swing fluid cylinder 80 comprises cylinder body 81, piston rod 83 and flexible member 85.Cylinder body 81 hinged with platform support 20 on, and be divided into first chamber 811 and second chamber 813 by dividing plate 87.Flexible member 85 is arranged in first chamber 811, and piston rod 85 is arranged in second chamber 813 versatilely, and its end is articulated in locking rack 30.Before use swing fluid cylinder 80, need not in first chamber 811, to inject liquid, the active force that 85 pairs of locking racks of flexible member produce also can reach the purpose that prevents that locking rack 30 accidents from dropping, and other steps are identical when all swinging fluid cylinder 70 with use.
In addition; The swing fluid cylinder also can be a common fluid cylinder, and it can drive locking rack 30 upwards or move downward equally, thereby makes that the teeth groove of tooth top and lifter rack 11 of locking rack 30 is relative; The tooth top of locking rack 30 slips in the teeth groove of lifter rack 11 smoothly, thereby realizes locking.
Claims (13)
1. the locking device of an elevating platform; Comprise platform support, locking rack, first driver, be used for the spud leg of support platform support and be arranged at the lifter rack on the spud leg; First driver moves in order to drive locking rack, makes locking rack or to separate with the lifter rack engagement, and it is characterized in that: said elevating platform locking device also comprises the swing fluid cylinder; Said swing fluid cylinder one end is articulated on the A point of platform support; The other end is articulated on the B point of locking rack, and when the height of adjustment rack platform, the angle a between line segment AB and the spud leg is more than or equal to 0 degree and smaller or equal to 90 degree.
2. the locking device of elevating platform as claimed in claim 1, it is characterized in that: said swing fluid cylinder is used to support locking rack.
3. the locking device of elevating platform as claimed in claim 1; It is characterized in that: when said locking rack and the engagement of said lifter rack; Smaller or equal to 90 degree, and angle a and wedge angle b sum equal to swing the angle that the position of fluid cylinder 70 when adjusting the height of rack platform swings to locked position to angle b between said line segment AB and the spud leg more than or equal to 0 degree.
4. elevating platform locking device as claimed in claim 3 is characterized in that: said angle a spends smaller or equal to 20 more than or equal to 1 degree.
5. the locking device of elevating platform as claimed in claim 4 is characterized in that: said angle a is 5 degree.
6. the locking device of elevating platform as claimed in claim 1; It is characterized in that: said swing fluid cylinder comprises cylinder body, first piston bar and second piston rod; Said cylinder body is divided into first chamber and second chamber by dividing plate; Said first piston bar is arranged in first chamber versatilely, and said second piston rod is arranged in second chamber versatilely.
7. the locking device of elevating platform as claimed in claim 6 is characterized in that: said cylinder body hinged with platform support on, said second piston rod is articulated on the said locking rack.
8. the locking device of elevating platform as claimed in claim 1; It is characterized in that: said swing fluid cylinder comprises cylinder body, piston rod and flexible member; Said cylinder body is divided into first chamber and second chamber by dividing plate; Said flexible member is arranged in first chamber, and said piston rod is arranged in second chamber versatilely.
9. the locking device of elevating platform as claimed in claim 8 is characterized in that: said cylinder body hinged with platform support on, said piston rod is articulated on the said locking rack.
10. the locking device of elevating platform as claimed in claim 1; It is characterized in that: said first driver is a fluid cylinder; One end of said fluid cylinder is articulated on the platform support; The other end is articulated on the locking rack, said fluid cylinder be used to promote said locking rack near or direction away from said lifter rack on move.
11. the locking device of elevating platform as claimed in claim 10 is characterized in that: the number of said fluid cylinder is two, and these two fluid cylinders are set up in parallel between said platform support and described locking rack.
12. the locking device of elevating platform as claimed in claim 1; It is characterized in that: the locking device of said elevating platform also comprises two wedges and two second drivers; Said two wedges are arranged at the two ends of locking rack respectively, said two second drivers in order to drive two wedges near or move away from the locking rack direction.
13. the locking device of elevating platform as claimed in claim 12 is characterized in that: said second driver is the turbine and worm lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108709.XA CN102758426B (en) | 2011-04-28 | 2011-04-28 | The locking device of elevating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108709.XA CN102758426B (en) | 2011-04-28 | 2011-04-28 | The locking device of elevating platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102758426A true CN102758426A (en) | 2012-10-31 |
| CN102758426B CN102758426B (en) | 2015-08-26 |
Family
ID=47053059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110108709.XA Active CN102758426B (en) | 2011-04-28 | 2011-04-28 | The locking device of elevating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102758426B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439129A (en) * | 2013-08-03 | 2013-12-11 | 广东精铟机械有限公司 | Lifting system joint debugging testing machine for drilling platform |
| CN104278663A (en) * | 2014-09-18 | 2015-01-14 | 武汉船用机械有限责任公司 | Locking device for gear and rack ascending and descending system |
| CN104743471A (en) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | Lifting rack random locking mechanism of truss pile leg platform |
| CN110421519A (en) * | 2019-09-06 | 2019-11-08 | 中国重型机械研究院股份公司 | A kind of swing type stepless rack gear locking device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192714A (en) * | 1995-07-06 | 1998-09-09 | 株式会社小松制作所 | High-speed high-load hydraulic cylinder system and control method thereof |
| US5915882A (en) * | 1997-06-26 | 1999-06-29 | Letourneau, Inc. | Jack-up platform locking apparatus and method |
| CN101305203A (en) * | 2005-11-08 | 2008-11-12 | 萱场工业株式会社 | Single cylinder type hydraulic buffer for automobile |
| CN201459700U (en) * | 2009-07-22 | 2010-05-12 | 上海振华重工(集团)股份有限公司 | Self-elevating engineering platform and locking device thereof |
| CN201704683U (en) * | 2010-05-21 | 2011-01-12 | 四川宏华石油设备有限公司 | Locking mechanism for lifting of ocean platform |
| CN201778345U (en) * | 2010-07-20 | 2011-03-30 | 佛山市精铟机械有限公司 | Testing machine for spud leg locking system of self-elevating drilling platform |
-
2011
- 2011-04-28 CN CN201110108709.XA patent/CN102758426B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192714A (en) * | 1995-07-06 | 1998-09-09 | 株式会社小松制作所 | High-speed high-load hydraulic cylinder system and control method thereof |
| US5915882A (en) * | 1997-06-26 | 1999-06-29 | Letourneau, Inc. | Jack-up platform locking apparatus and method |
| CN101305203A (en) * | 2005-11-08 | 2008-11-12 | 萱场工业株式会社 | Single cylinder type hydraulic buffer for automobile |
| CN201459700U (en) * | 2009-07-22 | 2010-05-12 | 上海振华重工(集团)股份有限公司 | Self-elevating engineering platform and locking device thereof |
| CN201704683U (en) * | 2010-05-21 | 2011-01-12 | 四川宏华石油设备有限公司 | Locking mechanism for lifting of ocean platform |
| CN201778345U (en) * | 2010-07-20 | 2011-03-30 | 佛山市精铟机械有限公司 | Testing machine for spud leg locking system of self-elevating drilling platform |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439129A (en) * | 2013-08-03 | 2013-12-11 | 广东精铟机械有限公司 | Lifting system joint debugging testing machine for drilling platform |
| CN104743471A (en) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | Lifting rack random locking mechanism of truss pile leg platform |
| CN104278663A (en) * | 2014-09-18 | 2015-01-14 | 武汉船用机械有限责任公司 | Locking device for gear and rack ascending and descending system |
| CN104278663B (en) * | 2014-09-18 | 2016-08-24 | 武汉船用机械有限责任公司 | A kind of locking device of gear rack lifting system |
| CN110421519A (en) * | 2019-09-06 | 2019-11-08 | 中国重型机械研究院股份公司 | A kind of swing type stepless rack gear locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102758426B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104894977B (en) | A kind of method utilizing three-dimensional adjustable jack device to set up magnetic levitation track girder | |
| CN102912778B (en) | Locking device and hydraulic control system thereof | |
| CN103954172B (en) | The simple and easy emission system of a kind of carrier rocket | |
| CN202247831U (en) | Locking device and hydraulic control system thereof | |
| CN102758426A (en) | Locking device of lifting platform | |
| CN102162233B (en) | Continuous stepping hydraulic lifting device and method | |
| CN205475230U (en) | All -hydraulic static pressure stake of self -propelled multi -functional U shaped steel sheet pile machine | |
| CN201428114Y (en) | Propulsion equipment for the construction of large-scale steel arched girders and steel box girders | |
| CN103485714A (en) | Drilling mechanism and drill loader | |
| CN103538139B (en) | Concrete precast element production system and vibrating device thereof | |
| CN103147429A (en) | Locking device for pile leg buried platform | |
| KR100984695B1 (en) | Device for moving a heavy load | |
| CN105129665A (en) | Elevator with extensible operating platform | |
| CN202785541U (en) | Automatic jacking climbing columns device and automatic jacking wind power equipment maintenance system | |
| CN203295047U (en) | Grab bucket | |
| CN205840892U (en) | Ditch mould bases is surveyed in self-propelled tunnel | |
| CN203475316U (en) | Steel box beam auxiliary closuring longitudinally ejecting device | |
| CN203702031U (en) | Sleeve clamping device | |
| CN203655186U (en) | Portable well repair pipe column transportation device | |
| EP3458405B1 (en) | Extendable, load-bearing structure and a method for erecting an ex¢ tendable, load-bearing structure | |
| CN204138269U (en) | The arm-type lifting table of many bars synchronization telescope | |
| CN207537074U (en) | A kind of levelling gear of arm-type vehicle | |
| CN112942139A (en) | Steel box girder construction method | |
| CN205475229U (en) | Stake undercarriage claw mechanism presses | |
| CN107860579A (en) | Fixing device and testing equipment for pivoting support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |