CN101100267A - Hoisting device for loop wheel machine - Google Patents

Hoisting device for loop wheel machine Download PDF

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Publication number
CN101100267A
CN101100267A CNA2007100149209A CN200710014920A CN101100267A CN 101100267 A CN101100267 A CN 101100267A CN A2007100149209 A CNA2007100149209 A CN A2007100149209A CN 200710014920 A CN200710014920 A CN 200710014920A CN 101100267 A CN101100267 A CN 101100267A
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CN
China
Prior art keywords
hoisting
hook
loop wheel
machine
suspension hook
Prior art date
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Granted
Application number
CNA2007100149209A
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Chinese (zh)
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CN100567129C (en
Inventor
章立人
兰公英
张谭龙
韩华伟
姜效瑜
滕瑶
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Yantai CIMC Raffles Offshore Co Ltd
Original Assignee
YANTAI RAFFLES OCEANOGRAPHIC ENGINEERING Co Ltd
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Application filed by YANTAI RAFFLES OCEANOGRAPHIC ENGINEERING Co Ltd filed Critical YANTAI RAFFLES OCEANOGRAPHIC ENGINEERING Co Ltd
Priority to CNB2007100149209A priority Critical patent/CN100567129C/en
Publication of CN101100267A publication Critical patent/CN101100267A/en
Application granted granted Critical
Publication of CN100567129C publication Critical patent/CN100567129C/en
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Abstract

The present invention discloses one kind of slinging equipment of crane. The slinging equipment consists of winches, steel cables, hoisting hooks and crane crossbeams. There are three or more winches, each of which is connected through one steel cable to the upper and lower lead pulleys, fixed pulley block and sling dog assembly. The sling dog assembly comprises fixed hooks with sling and sling dog body comprising over two equalizing beams connected through axles. The present invention has the features of great hoisting tonnage, even stress, high safety and reliability, and simple structure.

Description

A kind of hoisting device for loop wheel machine
Technical field
The invention belongs to the weight-lifting equipment technical field, especially relate 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 objective of the invention is to improve the deficiency of prior art and provide a kind of lifting tonnage huge, stressed hoisting device for loop wheel machine even, safe and reliable, simple in structure.
The object of the present invention is achieved 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 purpose of the present invention, can form by 3-8 platform winch.
In order further to realize purpose of the present invention, 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 purpose of the present invention, can be that the pulley and the suspension hook group stay hook of fixed pulley group is 2-10.
In order further to realize purpose of the present invention, 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 purpose of the present invention, can be that described equalizing bar is the 2-6 level.
In order further to realize purpose of the present invention, can be that described suspension hook is the circular grapple of lower opening.
In order further to realize purpose of the present invention, can be that fixed pulley group and suspension hook group are the 2-8 group.
Compared with the prior art the present invention has following distinguishing feature and good effect: jack up unit of the present invention 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 present invention is described in further detail.
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a kind of structural representation of lifting hook of the present invention.
Fig. 3 is the structural representation of suspension hook part of the present invention.
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 invention.
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, a kind of 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.
CNB2007100149209A 2007-06-12 2007-06-12 A kind of hoisting device for loop wheel machine Active CN100567129C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100149209A CN100567129C (en) 2007-06-12 2007-06-12 A kind of hoisting device for loop wheel machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100149209A CN100567129C (en) 2007-06-12 2007-06-12 A kind of hoisting device for loop wheel machine

Publications (2)

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CN101100267A true CN101100267A (en) 2008-01-09
CN100567129C CN100567129C (en) 2009-12-09

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CN (1) CN100567129C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040156A (en) * 2010-04-01 2011-05-04 长沙中联重工科技发展股份有限公司 Combined lifting mechanism
CN101613057B (en) * 2009-07-10 2011-10-12 大连华锐股份有限公司 Hoisting mechanism of multi-lifting-point joint crane
CN101607676B (en) * 2009-07-10 2013-04-03 大连华锐重工集团股份有限公司 Multi-suspension-centres crane
CN109653514A (en) * 2018-12-19 2019-04-19 江苏长风海洋装备制造有限公司 It is a kind of installation grab bucket loop wheel machine tier building work build frame

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613057B (en) * 2009-07-10 2011-10-12 大连华锐股份有限公司 Hoisting mechanism of multi-lifting-point joint crane
CN101607676B (en) * 2009-07-10 2013-04-03 大连华锐重工集团股份有限公司 Multi-suspension-centres crane
CN102040156A (en) * 2010-04-01 2011-05-04 长沙中联重工科技发展股份有限公司 Combined lifting mechanism
CN102040156B (en) * 2010-04-01 2012-01-11 长沙中联重工科技发展股份有限公司 Combined lifting mechanism
CN109653514A (en) * 2018-12-19 2019-04-19 江苏长风海洋装备制造有限公司 It is a kind of installation grab bucket loop wheel machine tier building work build frame
CN109653514B (en) * 2018-12-19 2020-10-09 江苏长风海洋装备制造有限公司 Multi-storey building working building frame for installing grab bucket crane

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Address after: 264000 Zhifu Island, Zhifu District, Shandong, Yantai

Patentee after: Yantai CIMC Raffles Offshore Limited

Address before: 264000 Zhifu Island, Zhifu District, Shandong, Yantai

Patentee before: Yantai Raffles Oceanographic Engineering Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: YANTAI CIMC RAFFLES OFFSHORE LIMITED

Free format text: FORMER NAME: YANTAI RAFFLES OCEAN ENGINEERING CO., LTD.