CN102602801B - Vertical lifting clamp for heavy barrel - Google Patents
Vertical lifting clamp for heavy barrel Download PDFInfo
- Publication number
- CN102602801B CN102602801B CN2012100993195A CN201210099319A CN102602801B CN 102602801 B CN102602801 B CN 102602801B CN 2012100993195 A CN2012100993195 A CN 2012100993195A CN 201210099319 A CN201210099319 A CN 201210099319A CN 102602801 B CN102602801 B CN 102602801B
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- Prior art keywords
- piston rod
- cylinder
- cylindrical shell
- piston
- actuating cylinder
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- 230000005484 gravity Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000003416 augmentation Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to a vertical lifting clamp for a heavy barrel, which comprises a hydraulic cylinder, armed levers and cantilever cranes. The hydraulic cylinder comprises a cylinder of the hydraulic cylinder and a piston rod extending out of the cylinder of the hydraulic cylinder. A piston connected with the piston rod is matched at the bottom of the cylinder of the hydraulic cylinder. The piston is provided with a spring which is sleeved on the piston rod. The piston rod extending out of the cylinder of the hydraulic cylinder is provided with an upper disc and a lower disc. A connector fixed at the top of the piston rod is fixed at the upper end of the upper disc by screw thread, and the lower end of the lower disc is fixedly connected with the cylinder of the hydraulic cylinder; a plurality of armed levers are uniformly distributed at the edge of the upper lower, and a frictional block is arranged at the outer end part of the armed lever; a plurality of cantilever cranes connected with the armed levers are respectively arranged at the outer edge of the lower disc. The vertical lifting clamp transfers tension of a steel wire rope to the lower disc through the piston and the spring to push the lower disc to move upward to drive the cantilever cranes so as to form a thrust augmentation structure, so that the supporting force of the cantilever cranes to the cylinder wall is far greater than gravity of the barrel to form self-lock so as to ensure the safety during work. The operating process is convenient and rapid, so that the vertical lifting clamp for the heavy barrel can be adaptive to different cylinder walls better.
Description
Technical field
The present invention relates to a kind of heavy cylindrical shell vertical lifting fixture, be particularly useful for lifting and the placement of precast concrete pit shaft.
Background technology
The vertical lifting operation of current heavy cylindrical shell is mainly fixedly lifted by wirerope-winding, there is no unit clamp, therefore exists the problems such as stress condition is poor, operating process is loaded down with trivial details, the difficult assurance of safety.
Summary of the invention
Technical matters: the objective of the invention is to overcome the deficiency in prior art, provide a kind of simple in structure, safety good, easy to operate heavy cylindrical shell vertical lifting fixture.
Technical scheme: heavy cylindrical shell vertical lifting fixture of the present invention comprises hydraulic actuating cylinder, armed lever, jib; Described hydraulic actuating cylinder comprises the hydraulic actuating cylinder cylindrical shell, stretches out the piston rod of hydraulic actuating cylinder cylindrical shell, and the bottom of hydraulic actuating cylinder cylindrical shell is combined with the piston be connected with piston rod, and piston is provided with the spring be sleeved on piston rod; The described piston rod that stretches out the hydraulic actuating cylinder cylindrical shell is provided with dish and lower wall, the upper end of upper dish is provided with the connector that is fixed on piston rod part by screw thread, the lower end of lower wall is fixedly connected with the hydraulic actuating cylinder cylindrical shell, be evenly equipped with a plurality of armed levers on upper dish outer rim, the outer end of each armed lever is provided with friction shoe, and the lower wall outer rim is provided with a plurality of jibs that are connected with a plurality of armed levers respectively.
Described a plurality of armed lever and a plurality of jib are 3-6; Described a plurality of armed lever is curvilinear figure; Described friction shoe is the bloom that is attached with rubber layer.
Beneficial effect: owing to having adopted technique scheme, the present invention has formed afterburning structure in working order the time, the gravity that is heavy cylindrical shell finally acts on connector, show as the piston rod tension, pass to lower wall by piston and spring, promote to move on lower wall, drive jib, make armed lever obtain the trend of further opening, due to jib, the angle of armed lever and piston rod is greater than respectively 45 °, formed afterburning structure, make jib to the support force of barrel the gravity much larger than cylindrical shell, static friction force under the support force effect and cylindrical shell gravity keep the constant ratio relation, and perseverance is greater than gravity, form self-locking, safety while having ensured work, because support force comes from the pulling force of piston rod to spring and lower wall, and pulling force is constantly equal to cylindrical shell gravity, so support force can keep certain multiple relation with cylindrical shell gravity, can when the cylindrical shell of suspention Different Weight, automatically adjust support force, reach self-equalizing, reduced the energy dissipation when fixture support force can't be adjusted, spring between lower wall and piston, in compressive state, also can keep jib to open, the safety while having ensured oil-break without hydraulic coupling the time, pressure during by the hydraulic actuating cylinder oil-feed and the effect of spring, can the automatic deploying and retracting jib, makes operating process convenient and swift, the jib armed lever acts freely, the barrel of the fine adaptation different-diameter of energy.It is simple in structure, safety good, easy to operate, there is practicality widely.
The accompanying drawing explanation
The 3-D view that Fig. 1 is visual angle, oblique below of the present invention.
The 3-D view that Fig. 2 is oblique upper of the present invention visual angle.
The section-drawing that Fig. 3 is main apparent direction of the present invention.
In figure: 1-connector, 2-upper dish, 3-armed lever, 4-friction shoe, 5-jib, 6-bolt, 7-hydraulic actuating cylinder cylindrical shell, 8-hydraulic pipe interface, 9-lower wall, 10-bearing pin, 11-piston rod, 12-spring, 13-piston.
The specific embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, Figure 2 and Figure 3, heavy cylindrical shell vertical lifting fixture of the present invention, mainly consist of hydraulic actuating cylinder, armed lever 3, jib 5, upper dish 2 and lower wall 9; Described hydraulic actuating cylinder comprises hydraulic actuating cylinder cylindrical shell 7, stretches out the piston rod 11 of hydraulic actuating cylinder cylindrical shell 7, the bottom of hydraulic actuating cylinder cylindrical shell 7 is provided with the piston 13 be connected with piston rod 11, hydraulic actuating cylinder cylindrical shell 7 coordinates with piston 13, and the flange on its top and lower wall 9 tighten together by bolt 6, and the hydraulic pipe interface 8 be connected with hydraulic pipe is positioned at the bottom of hydraulic actuating cylinder cylindrical shell 7; Piston 13 is provided with spring 12, and spring 12 is set on piston rod 11, and is compressed between lower wall 9 and piston 13; The described piston rod 11 that stretches out hydraulic actuating cylinder cylindrical shell 7 is provided with dish 2 and lower wall 9, and the upper end of upper dish 2 is provided with connector 1, and connector 1 is fixed together by screw thread with piston rod 11, as the coupling end of hoisting cable; The lower end of lower wall 9 is fixedly connected with hydraulic actuating cylinder cylindrical shell 7, on upper dish 2 outer rims, is evenly equipped with a plurality of armed levers 3, and a plurality of armed levers 3 are curvilinear figure.The outer end of each armed lever 3 is provided with friction shoe 4, and friction shoe 4, for being attached with the bloom of rubber layer, can increase friction coefficient and not hinder again barrel.Lower wall 9 outer rims are provided with a plurality of jibs 5 that are connected with a plurality of armed levers 3, and a plurality of armed levers 3 are identical with a plurality of jib 5 numbers, are 3-6.According to the actual requirement of lifting object and working environment, determine the number of armed lever 3 and jib 5, and the number of corresponding hinged mouthful on upper dish 2, lower wall 9, the accompanying drawing example adopts 4 pairs; Hinged mouthful of armed lever 3 upper ends and upper dish 2 are hinged, and middle part is hinged with jib 5 upper ends on the lower side, and bottom and friction shoe 4 are connected; On jib 5 lower ends and lower wall 9 hinged mouthful is hinged.
Principle of work and working process: by connector 1, with lifting means, be connected, while moving to heavy cylindrical shell top, hydraulic efficiency equipment is sent into pressure oil by hydraulic pipe interface 8 in hydraulic actuating cylinder cylindrical shell 7, pressure oil promotes hydraulic actuating cylinder cylindrical shell 7 and moves down, because the flange on hydraulic actuating cylinder cylindrical shell 7 and lower wall 9 are connected, drive lower wall 9 and move down, thereby cause jib 5 to pull armed lever 3 to draw in; Then the fixture in rounding state is put into to inner barrel smoothly, this seasonal hydraulic actuating cylinder is in unloaded state, and the spring 12 of pressurized is stretched out, and promotes to move on lower wall 9, and pressure oil is extruded to hydraulic actuating cylinder cylindrical shell 7, promotes jib 5 simultaneously, and armed lever 3 is opened; Then lifting means starts, and pulling force is delivered on friction shoe 4 by connector 1, piston rod 11, piston 13, spring 12, lower wall 9, jib 5, armed lever 3, and reinforcing effect and self-equalizing effect due to structure, can make the fixture trouble free service; During to desired location, again make hydraulic efficiency equipment send into pressure oil by hydraulic pipe interface 8 in hydraulic actuating cylinder cylindrical shell 7 heavy Barrel hoisting, realize the gathering of jib 5 and armed lever 3, can conveniently unload lower clamp.
Claims (1)
1. a heavy cylindrical shell vertical lifting fixture, comprise armed lever (3), jib (5); It is characterized in that: also comprise that hydraulic actuating cylinder, described hydraulic actuating cylinder comprise hydraulic actuating cylinder cylindrical shell (7), stretch out the piston rod (11) of hydraulic actuating cylinder cylindrical shell (7), the bottom of hydraulic actuating cylinder cylindrical shell (7) is combined with the piston (13) be connected with piston rod (11), and piston (13) is provided with the spring (12) be sleeved on piston rod (11); The described piston rod (11) that stretches out hydraulic actuating cylinder cylindrical shell (7) is provided with dish (2) and lower wall (9), the upper end of upper dish (2) is provided with the connector (1) that is fixed on piston rod (11) top by screw thread, the lower end of lower wall (9) is fixedly connected with hydraulic actuating cylinder cylindrical shell (7), be evenly equipped with a plurality of armed levers (3) on upper dish (2) outer rim, the outer end of each armed lever (3) is provided with friction shoe (4), described friction shoe (4) is for being attached with the bloom of rubber layer, and lower wall (9) outer rim is provided with a plurality of jibs (5) that are connected with a plurality of armed levers (3) respectively; Described a plurality of armed lever (3) and a plurality of jib (5) are 3-6; Described a plurality of armed lever (3) is curvilinear figure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100993195A CN102602801B (en) | 2012-04-09 | 2012-04-09 | Vertical lifting clamp for heavy barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100993195A CN102602801B (en) | 2012-04-09 | 2012-04-09 | Vertical lifting clamp for heavy barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602801A CN102602801A (en) | 2012-07-25 |
| CN102602801B true CN102602801B (en) | 2013-12-11 |
Family
ID=46520680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100993195A Expired - Fee Related CN102602801B (en) | 2012-04-09 | 2012-04-09 | Vertical lifting clamp for heavy barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102602801B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909261B (en) * | 2015-06-21 | 2016-12-28 | 施淑琴 | Heavy cylinder vertical lifting fixture |
| CN106927360A (en) * | 2017-05-08 | 2017-07-07 | 苏州标杆知识产权运营有限公司 | Heavy cylinder vertical lifting fixture |
| CN110894046B (en) * | 2019-11-01 | 2021-02-05 | 金陵科技学院 | Hoisting equipment for constructing compound concrete-filled steel tube wind power tower |
| CN111424802B (en) * | 2020-05-18 | 2021-04-30 | 福州市中霖工程建设有限公司 | Automatic equipment of burying underground of infiltration well of sponge city greenery patches retaining system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500078A (en) * | 1983-01-03 | 1985-02-19 | Brennan Gerald J | Chimney flue insertion apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912081A (en) * | 1982-07-13 | 1984-01-21 | 株式会社東芝 | Lifting gear |
| JPS60126481U (en) * | 1984-01-31 | 1985-08-26 | 北田 進 | Jig for lifting and transporting heavy objects |
| CN2851219Y (en) * | 2005-12-22 | 2006-12-27 | 河南中原特殊钢集团有限责任公司 | Sling drum for hoisting cylindrical heavy goods |
| CN200958004Y (en) * | 2006-09-07 | 2007-10-10 | 刘仁超 | Crucible hoist |
| CN201228194Y (en) * | 2008-06-24 | 2009-04-29 | 巨力索具股份有限公司 | Rod bundle vertical lifting clamp |
| CN201406272Y (en) * | 2009-03-31 | 2010-02-17 | 深圳永合科技化工有限公司 | Expanding hanger |
| CN202038811U (en) * | 2011-04-18 | 2011-11-16 | 河南科隆集团有限公司 | Coiled material hanging tool |
-
2012
- 2012-04-09 CN CN2012100993195A patent/CN102602801B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500078A (en) * | 1983-01-03 | 1985-02-19 | Brennan Gerald J | Chimney flue insertion apparatus |
Non-Patent Citations (2)
| Title |
|---|
| JP昭5912081A 1984.01.21 |
| JP昭60126481U 1985.08.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102602801A (en) | 2012-07-25 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |