CN201099586Y - Crane lifting device - Google Patents
Crane lifting device Download PDFInfo
- Publication number
- CN201099586Y CN201099586Y CNU200720023496XU CN200720023496U CN201099586Y CN 201099586 Y CN201099586 Y CN 201099586Y CN U200720023496X U CNU200720023496X U CN U200720023496XU CN 200720023496 U CN200720023496 U CN 200720023496U CN 201099586 Y CN201099586 Y CN 201099586Y
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- China
- Prior art keywords
- hook
- group
- suspension hook
- hoisting
- cross beam
- 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 - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
The utility model discloses a hoister lifting device, which is composed of winders, a steel wire, a hoisting hook and a hoister beam, wherein the lifting device uses at least three winders, each winder is connected with upper and lower guiding pulleys, a block group and a hook group via the steel wire, each fixing hook of the hook group is connected with a hook, the hook body is composed of at least two stags of balance beam via pin connection, each stage of balance beam is connected with two balance beams at next stage via pin connection. The hoister lifting device has large lifting weight, uniform force, high safety and simple structure.
Description
Technical field
The utility model belongs to the weight-lifting equipment technical field, especially relates to a kind of jack up unit of building offshore platform with the large-tonnage loop wheel machine.
Background technology
In hoisting engineering, be extensive use of turned crane at present, the jack up unit of existing loop wheel machine generally adopts and be fixed with a winch on hoisting machine cross beam, winch is by steel rope and single fixed pulley and lifting hook pulley winding, lifting hook pulley is provided with suspension hook, the jack up unit of this structure, can satisfy the needs of most of occasions of determining, but when hoisting the above weight of ton for large-scale loop wheel machine, present jack up unit is because the restriction of structure, can't meet requirements, have the stressed more concentrated of jack up unit now, suspension centre is less, and the problem that erecting equipment damages takes place in the process of hoisting easily, is both because with respect to the thing that hoisted, stressed concentrating in the process causes suspended object to damage easily owing to hoist.
Summary of the invention
The purpose of this utility model is to improve the deficiency of prior art and provides a kind of lifting tonnage huge, stressed hoisting device for loop wheel machine even, safe and reliable, simple in structure.
The purpose of this utility model is to realize like this, a kind of hoisting device for loop wheel machine, be by winch, steel rope, lifting hook and hoisting machine cross beam are formed, the winch that is characterized in jack up unit is more than 3, winch is reduced to the center by the hoisting machine cross beam end successively along distribution of hoisting machine cross beam direction and height, the opposite side at hoisting machine cross beam middle part be fixed with the winch equal number on leading sheave, last leading sheave height is reduced to the center successively by nearside hoisting machine cross beam end, the bottom of hoisting machine cross beam is provided with and the same number of leading sheave down of last leading sheave, be fixed with the fixed pulley group on the below hoisting machine cross beam of leading sheave under each, the last leading sheave of the opposite side that every winch is relative with it respectively, following leading sheave, the fixed pulley group is by the steel rope winding, the suspension hook group that the fixed pulley group is fixed together and is formed by single stay hook by the steel rope winding, axle connects a lifting hook on each stay hook, the number of suspension hook group is identical with the number of fixed pulley group, and adjacent suspension hook group is fixed together.
In order further to realize the purpose of this utility model, can form by 3-8 platform winch.
In order further to realize the purpose of this utility model, can be that the pulley number of composition fixed pulley group is identical with the number of forming suspension hook group stay hook.
In order further to realize the purpose of this utility model, can be that the pulley and the suspension hook group stay hook of fixed pulley group is 2-10.
In order further to realize the purpose of this utility model, can be that described lifting hook is that hook is connected and composed by the above equalizing bar axle of two-stage, the top of afterbody equalizing bar is provided with one and connects axis hole, other grades equalizing bar is provided with the connection axis hole that three triangles distribute, the base angle of higher level's equalizing bar two connections axis hole is connected the axis hole axle with the drift angle place of subordinate's equalizing bar respectively and links together, and connects a suspension hook on the base angle of afterbody equalizing bar respectively.
In order further to realize the purpose of this utility model, can be that described equalizing bar is the 2-6 level.
In order further to realize the purpose of this utility model, can be that described suspension hook is the circular grapple of lower opening.
In order further to realize the purpose of this utility model, can be that fixed pulley group and suspension hook group are the 2-8 group.
Compared with the prior art the utility model has following distinguishing feature and good effect: the utility model jack up unit adopts 3 above winchs, every winch respectively by steel rope successively with upper and lower leading sheave, fixed pulley group, suspension hook group winding, be connected with a suspension hook on each stay hook of suspension hook group, increased the tonnage that hoists like this, just with fixed pulley group and suspension hook group, increase suspension centre simultaneously, disperseed the gravity that hoists, make erecting equipment stressed evenly, more safe and reliable; Hook is to be connected and composed by the above equalizing bar axle of two-stage, and every grade of equalizing bar is connected with two equalizing bar axles of next stage respectively, and whole lifting power is distributed on each equalizing bar, has disperseed the suffered power of suspension hook like this, and is more safe and reliable; Two base angles of afterbody equalizing bar axle respectively connect a suspension hook, evenly spread on four suspension hooks each group suspension hook stressed littler with single hook is stressed, the area of thrust surface of lifting beam and suspended object have been strengthened simultaneously, make stressed more even, safe, better reliability; Suspension hook is the circular grapple of lower opening, gib can be inserted in the annulus of suspension hook like this, and the pipe link of gib stretches out with suspended object from the suspension hook opening part and is connected, like this with the stressed dispersion of suspension hook, the suspension centre of suspended object is increased, and area of thrust surface increase simultaneously, and suspended object can not sustained damage.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structural representation of the utility model lifting hook.
Fig. 3 is the structural representation of the utility model suspension hook part.
The specific embodiment
Embodiment 1, a kind of hoisting device for loop wheel machine, with reference to Fig. 1, be on hoisting machine cross beam 4, to be fixed with 3 above winchs 1, winch 1 is reduced to the center by hoisting machine cross beam 4 ends successively along distribution of hoisting machine cross beam 4 directions and height, the opposite side at hoisting machine cross beam 4 middle parts be fixed with winch 1 equal number on leading sheave 5, last leading sheave 5 height are reduced to the center successively by nearside hoisting machine cross beam 4 ends, the bottom of hoisting machine cross beam 4 is provided with and last leading sheave 5 the same number of leading sheaves 6 down, be fixed with fixed pulley group 7 on the hoisting machine cross beam 4 of leading sheave 6 belows under each, adopt 4 groups of fixed pulley groups 7 in the present embodiment, the last leading sheave 5 of the opposite side that every winch 1 is relative with it respectively, following leading sheave 6, fixed pulley group 7 is by steel rope 2 windings, the suspension hook group 9 that fixed pulley group 7 is fixed together and forms by the single stay hook 8 of steel rope 2 windings, the number of suspension hook group 9 is identical with the number of fixed pulley group 7, adopt 4 groups of suspension hook groups 9 to interconnect in the present embodiment, axle connects a lifting hook 3 on each stay hook 8, adopt 3 winchs 1 in the present embodiment, forming the pulley of each fixed pulley group 7 and the number of the stay hook 8 of forming suspension hook group 9 is 6, and this has constituted a kind of structure of the present utility model.
Embodiment 2, a kind of hoisting device for loop wheel machine, with reference to Fig. 1, Fig. 2, Fig. 3, be on the basis of embodiment 1, lifting hook 3 is that hook 10 is connected and composed by 11 of the above equalizing bars of two-stage, the top of afterbody equalizing bar 11 is provided with one and connects axis hole 12, other grades equalizing bar 11 is provided with the connection axis hole 12 that three triangles distribute, the base angle of higher level's equalizing bar 11 two connections axis hole 12 is connected 12 of axis holes with the drift angle place of subordinate's equalizing bar 11 respectively and links together, connect a suspension hook 13 on the base angle of afterbody equalizing bar 11 respectively, present embodiment adopts three grades of 11 of equalizing bars to connect and compose, the first order and second stage equalizing bar 11 are provided with that three triangles distribute is connected axis hole 12, two of the base angle connection axis holes 12 are connected 12 connections of axis hole with the drift angle of second stage intermediate equilibria beam 11 respectively on the first order equalizing bar 11, two of each second stage equalizing bar 11 base angle connect axis hole 12 and are connected 12 connections of axis hole with the drift angle of a last level equalizing bar 11 respectively, two base angles of last level equalizing bar 11 are respectively equipped with a suspension hook 13, suspension hook 13 is circular grapples of lower opening, and other and embodiment 1 are identical.
Claims (8)
1. hoisting device for loop wheel machine, be by winch (1), steel rope (2), lifting hook (3) and hoisting machine cross beam (4) are formed, the winch (1) that it is characterized in that jack up unit is more than 3, winch (1) is reduced to the center by hoisting machine cross beam (4) end successively along distribution of hoisting machine cross beam (4) direction and height, opposite side at hoisting machine cross beam (4) middle part is fixed with the last leading sheave (5) with winch (1) equal number, last leading sheave (5) height is reduced to the center successively by nearside hoisting machine cross beam (4) end, the bottom of hoisting machine cross beam (4) is provided with and the same number of leading sheave (6) down of last leading sheave (5), be fixed with fixed pulley group (7) on the below hoisting machine cross beam (4) of leading sheave (6) under each, the last leading sheave (5) of the opposite side that every winch (1) is relative with it respectively, following leading sheave (6), fixed pulley group (7) is by steel rope (2) winding, the suspension hook group (9) that fixed pulley group (7) is fixed together and is formed by single stay hook (8) by steel rope (2) winding, each stay hook (8) is gone up axle and is connected a lifting hook (3), the number of suspension hook group (9) is identical with the number of fixed pulley group 7, and adjacent suspension hook group (9) is fixed together.
2. a kind of hoisting device for loop wheel machine according to claim 1 is characterized in that being made up of 3-8 platform winch (1).
3. a kind of hoisting device for loop wheel machine according to claim 1, the pulley number that it is characterized in that forming fixed pulley group (7) is identical with the number of forming suspension hook group (9) stay hook (8).
4. according to claim 1 or 3 described a kind of hoisting device for loop wheel machine, the pulley of its feature fixed pulley group (7) and suspension hook group (9) stay hook (8) are 2-10.
5. a kind of hoisting device for loop wheel machine according to claim 1, it is characterized in that described lifting hook (3) is that hook (10) is connected and composed by the above equalizing bar of two-stage (11) axle, the top of afterbody equalizing bar (11) is provided with one and connects axis hole (12), other grades equalizing bar (11) is provided with the connection axis hole (12) that three triangles distribute, the base angle of higher level's equalizing bar (11) two connections axis hole (12) is connected axis hole (12) axle respectively and links together with the drift angle place of subordinate's equalizing bar (11), connect a suspension hook (13) on the base angle of afterbody equalizing bar (11) respectively.
6. a kind of hoisting device for loop wheel machine according to claim 5 is characterized in that described equalizing bar (3) is the 2-6 level.
7. a kind of hoisting device for loop wheel machine according to claim 5 is characterized in that described suspension hook (13) is the circular grapple of lower opening.
8. a kind of hoisting device for loop wheel machine according to claim 1 is characterized in that fixed pulley group (7) and suspension hook group (9) are the 2-8 group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023496XU CN201099586Y (en) | 2007-06-12 | 2007-06-12 | Crane lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023496XU CN201099586Y (en) | 2007-06-12 | 2007-06-12 | Crane lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201099586Y true CN201099586Y (en) | 2008-08-13 |
Family
ID=39936119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720023496XU Expired - Lifetime CN201099586Y (en) | 2007-06-12 | 2007-06-12 | Crane lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201099586Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070083B (en) * | 2009-11-20 | 2013-01-16 | 北京万桥兴业机械有限公司 | Split adjustable lifting device |
| CN104477769A (en) * | 2015-01-06 | 2015-04-01 | 南通太平洋海洋工程有限公司 | Method for mounting steering wheel of crane in oceanographic engineering |
-
2007
- 2007-06-12 CN CNU200720023496XU patent/CN201099586Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070083B (en) * | 2009-11-20 | 2013-01-16 | 北京万桥兴业机械有限公司 | Split adjustable lifting device |
| CN104477769A (en) * | 2015-01-06 | 2015-04-01 | 南通太平洋海洋工程有限公司 | Method for mounting steering wheel of crane in oceanographic engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070612 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |