CN107473094B - A kind of top plate beam method for turning - Google Patents

A kind of top plate beam method for turning Download PDF

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Publication number
CN107473094B
CN107473094B CN201710860583.9A CN201710860583A CN107473094B CN 107473094 B CN107473094 B CN 107473094B CN 201710860583 A CN201710860583 A CN 201710860583A CN 107473094 B CN107473094 B CN 107473094B
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CN
China
Prior art keywords
plate
turnover bracket
wheel machine
loop wheel
edge
Prior art date
Application number
CN201710860583.9A
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Chinese (zh)
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CN107473094A (en
Inventor
谢誉军
郭水祥
吴金彬
周建敏
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中国能源建设集团广东火电工程有限公司
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Priority to CN201710860583.9A priority Critical patent/CN107473094B/en
Publication of CN107473094A publication Critical patent/CN107473094A/en
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Publication of CN107473094B publication Critical patent/CN107473094B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions

Abstract

A kind of top plate beam turnover bracket and method for turning, turnover bracket include the supporting rack of triangle, and the mutual clamping in side for the bayonet and top plate beam bottom plate that the bottom edge of supporting rack is surrounded by snap-gauge, side plate and bottom edge, opposite with bottom edge one jiao is then butted on ground;When using the turnover bracket turn-over top plate-girder, top plate beam is first sling, then turnover bracket is installed on the bottom plate of top plate beam, then putting down top plate beam makes it be fallen by fulcrum side of the angle of turnover bracket, then it slings from the top plate beam other end by the top plate beam that side is fallen, is lifted again after realizing overturning again.The structure of turnover bracket is extremely simple, but structural strength is high, effectively can form support to the extremely huge top plate beam of weight, and greatly improve the convenience of operation;And the method for turning can effectively reduce the demand to equipment, while its operating process is extremely simple easy, reduces the difficulty of top plate beam overturning, while improving the operation ease and accuracy of the overturning of top plate beam.

Description

A kind of top plate beam method for turning

Technical field

The present invention relates to the equipment to assist heavy workpiece to carry out flip vertical, are overturn more particularly to a kind of top plate beam Holder and the method for utilizing the holder turn-over top plate-girder.

Background technology

Top plate beam, also known as large girder are commonly used boiler bearing beams in a kind of conventional thermal power plant, and structure is such as Shown in Fig. 1, includes the upper beam 101 and underbeam 102 of upper and lower relative device, one is fixedly connected as at the top of the bottom of upper beam and underbeam Body;And the structure of upper beam and underbeam is as shown in Fig. 2, include vertically disposed riser 103, the both ends and middle part of riser fill successively There are bottom plate 104, floor 105 and the connecting plate 106 that horizontally disposed and length is successively decreased successively, wherein connecting plate is for connecting upper beam With underbeam, and bottom plate either length or thickness are both greater than floor and connecting plate so that the center of gravity of upper beam and underbeam is located at rib Between plate and bottom plate, as shown in O points in Fig. 2.

Since the weight of top plate beam is extremely huge, upper beam and underbeam have 180 tons of weight, in order to steadily place, Underbeam is required for the bottom plate by upper and lower beam to lie against on the ground in a pre-installation, and top is then connecting plate, as shown in Figure 2.And it is another Aspect needs first to install underbeam when installing top plate beam, then again lifts upper beam to underbeam top and is docked with underbeam, this When, the bottom plate of underbeam is still located at bottom, but the top plate of upper beam is then overturn to top, as shown in Figure 1.

In existing Thermal Power Plant Construction, the installation of top plate beam relies primarily on the lifting work that loop wheel machine realizes upper and lower beam, but Since the weight of upper and lower beam is very big, and center of gravity is close to bottom plate, only according to loop wheel machine overturn extremely difficult, also lacks phase at present The auxiliary tool answered carries out the overturning of top plate beam.

Invention content

The present invention is intended to provide a kind of holder of auxiliary turn-over top plate-girder and the method using the holder turn-over top plate-girder, with The overturning difficulty of top plate beam is reduced, the stability and accuracy of top plate beam turning operation are improved.

Top plate beam turnover bracket of the present invention, including cross sectional shape are the supporting rack of acute triangle, supporting rack One triangle edges is bottom edge, and bottom edge is affixed on the bottom of top plate beam bottom plate, and bottom edge extends laterally to the vertical throwing of top plate beam bottom plate Except shadow range and vertically disposed side plate is installed, horizontally disposed card is installed towards the side of top plate beam riser on side plate Plate, snap-gauge is adapted at a distance from bottom edge with the thickness of top plate beam bottom plate, and the bayonet and top plate that snap-gauge, side plate and bottom edge surround The mutual clamping in side of beam bottom plate.

Raising-plate method for turning of the present invention, includes the following steps:

A, top plate beam is sling using loop wheel machine;

B, turnover bracket is fixed on to the bottom of top plate beam, and the bottom edge of supporting rack is made to be affixed on the bottom surface of top plate beam bottom plate, Bayonet is clamped on the side of top plate beam bottom plate;

C, loop wheel machine is reduced to put down top plate beam, and the angle opposite with bottom edge is butted on ground on triangle support frame, then top plate Beam is fallen using one jiao that supporting rack is butted on ground as fulcrum side;

D, the lifting rope of loop wheel machine being bypassed from the bottom plate both sides of top plate beam and is fixed with top plate beam, loop wheel machine is risen in then recurrence, The top plate beam that side is fallen is sling.

Top plate beam is sling first with loop wheel machine, is then utilized by top plate beam turnover bracket and method for turning of the present invention Turnover bracket makes top plate beam be fallen on the downside of dead weight, the top plate beam that then loop wheel machine again again falls side from bottom plate one end of top plate beam It slings, the overturning work of top plate beam thus can be realized.The structure of turnover bracket is extremely simple, but structural strength is high, can be effective Ground forms support to the extremely huge top plate beam of weight, and can make top plate beam can be certainly under dead weight using the turnover bracket Row side is fallen, and the convenience of operation is greatly improved;And the method for turning can be real using turnover bracket and loop wheel machine mutual cooperation The overturning of existing top plate beam, is coordinated without a large amount of miscellaneous equipment, can effectively reduce the demand to equipment, while it was operated Journey is also extremely simple easy, significantly reduces the difficulty of top plate beam overturning, while also improving the operation of top plate beam overturning just Profit and accuracy.

Description of the drawings

Fig. 1 is the structural schematic diagram of existing top plate beam.

Fig. 2 is the structural schematic diagram of the upper beam of top plate beam shown in Fig. 1.

Fig. 3 is the structural schematic diagram of top plate beam turnover bracket.

Fig. 4 is that top plate beam shown in Fig. 3 turnover bracket installs and uses schematic diagram.

Fig. 5-10 is the switching process schematic diagram of raising-plate method for turning.

Specific implementation mode

A kind of top plate beam turnover bracket, including cross sectional shape are the supporting rack 1 of acute triangle, a triangle of supporting rack Shape side is bottom edge 2, and bottom edge is affixed on the bottom of top plate beam bottom plate 104, and bottom edge extends laterally to the upright projection model of top plate beam bottom plate Except enclosing and vertically disposed side plate 3 is installed, horizontally disposed card is installed towards the side of top plate beam riser 103 on side plate Plate 4, snap-gauge are adapted at a distance from bottom edge with the thickness of top plate beam bottom plate, and the bayonet 5 that surrounds of snap-gauge, side plate and bottom edge and top The mutual clamping in side of plate-girder bottom plate.

As shown in Figure 3,4, turnover bracket is fixed on top plate beam(Upper beam)Bottom, and the snap-gauge of turnover bracket, side plate It is clamped in the side of top plate beam bottom plate with the bayonet that bottom edge surrounds, and angle P opposite with bottom edge on supporting rack, it is located at bottom simultaneously It is used as supporting point with offseting with ground, when the top plate beam being lifted is put down, top plate beam then falls using P points as fulcrum side.

The top plate beam turnover bracket, the angle opposite with bottom edge 2 is located at where top plate beam riser on triangle support frame 1 The side of vertical plane, as shown in Fig. 2, the center of gravity of top plate beam is located at the O points on riser, angle P and O the point place of triangle support frame Vertical line is misaligned, when this makes loop wheel machine put down top plate beam, the position of gravity(Center of gravity O points)With the fulcrum of overturning(P points)Between There are distances, form the torque of a rotation, top plate beam can more successfully side be fallen under Gravitative Loads.

The top plate beam turnover bracket has the deep floor 6 of reinforcement structure intensity and reinforces fagging 7, and deep floor is same When connection supporting rack 1 bottom edge 2 and side plate 3;Reinforce the inside that fagging is set to supporting rack, one end connects bottom edge, the other end The intersection on triangle support frame two other side is connected, and reinforces fagging perpendicular to bottom edge.Pass through the deep floor and reinforcement The setting of fagging improves the structural strength of turnover bracket, and feature is to improve the structural strength of bayonet and supporting rack, is made it possible to more Tightly clamping and roof supporting beam.

A kind of raising-plate method for turning, includes the following steps:

A, top plate beam is sling using loop wheel machine;

B, turnover bracket is fixed on to the bottom of top plate beam, and the bottom edge of supporting rack is made to be affixed on the bottom surface of top plate beam bottom plate, Bayonet is clamped on the side of top plate beam bottom plate;

C, loop wheel machine is reduced to put down top plate beam, and the angle opposite with bottom edge is butted on ground on triangle support frame, then top plate Beam is fallen using one jiao that supporting rack is butted on ground as fulcrum side;

D, the lifting rope of loop wheel machine being bypassed from the bottom plate both sides of top plate beam and is fixed with top plate beam, loop wheel machine is risen in then recurrence, The top plate beam that side is fallen is sling.

The raising-plate method for turning is pacified before using loop wheel machine and turnover bracket turn-over top plate-girder on top plate beam Fill two pairs of lifting lugs, including the upper lifting lug 8 being set between top plate beam upper junction plate and center of gravity, and be set on top plate beam center of gravity with Lower lifting lug 9 between bottom plate;Then in step, loop wheel machine is connect with upper lifting lug by lifting rope by slings top plate beam;And in step In rapid D, the lifting rope of loop wheel machine connect with lower lifting lug and slings the top plate beam that side is fallen.By the way that corresponding lifting lug is arranged at the both ends of center of gravity, So that center of gravity is located at the lower section of lifting rope and top plate beam tie point when loop wheel machine slings top plate beam, to more steadily sling top plate Beam.

The raising-plate method for turning, in step C, top plate beam is butted on one jiao of ground as fulcrum using supporting rack, and It falls, can also be fallen to required direction side by loop wheel machine application active force on the downside of Gravitative Loads.The former can more preferable land productivity With the design feature of turnover bracket, and the latter then can more preferably, broadly meet different work requirements, improve method for turning Applicability.

The raising-plate method for turning, turnover bracket can be removed after the upper and lower beam connection of top plate beam is completed, but more Good is removed between step C, D, i.e., removes turnover bracket after the completion of step C, before entering step D, avoid to step D And follow-up work impacts.

As shown in Figure 5-10:Loop wheel machine 10 connects upper lifting lug using lifting rope and slings the upper beam of top plate beam, then will overturn branch Frame is installed on the bottom base plate of upper beam, as shown in Figure 5;Then, loop wheel machine declines, and upper beam is under dead weight or loop wheel machine control to overturn branch The angle of frame bottom is that fulcrum side is fallen, as shown in Figure 6,7;Then, turnover bracket is removed, by the lifting rope of loop wheel machine from upper beam bottom plate both sides Around the lower lifting lug of connection, as shown in Figure 8;Subsequently, loop wheel machine rising again slings upper beam, overturning is achieved in, such as Fig. 9,10 It is shown;Finally, the upper beam after overturning is docked into fixation with underbeam, as shown in Figure 1.

Claims (4)

1. a kind of raising-plate method for turning, it is characterised in that include the following steps:
A, top plate beam is sling using loop wheel machine;
B, turnover bracket is fixed on to the bottom of top plate beam, the cross sectional shape of turnover bracket is acute triangle, turnover bracket Bottom edge is affixed on the bottom of top plate beam bottom plate, is equipped with vertical side plate thereon on bottom edge, towards top plate beam riser on side plate Side is equipped with snap-gauge, the mutual clamping in side of the bayonet that snap-gauge, side plate and bottom edge surround and top plate beam bottom plate;
C, reduce loop wheel machine to put down top plate beam, the angle opposite with bottom edge is butted on ground on triangle support frame, then top plate beam with Supporting rack is butted on one jiao of ground and is fallen for fulcrum side;
D, the lifting rope of loop wheel machine is bypassed from the bottom plate both sides of top plate beam and is fixed with top plate beam, loop wheel machine is risen in then recurrence, by side Top plate beam is sling.
2. raising-plate method for turning according to claim 1, it is characterised in that:Utilizing loop wheel machine and turnover bracket turn-over top Before plate-girder, two pairs of lifting lugs are installed on top plate beam, including the upper lifting lug being set between top plate beam upper junction plate and center of gravity, and The lower lifting lug being set on top plate beam between center of gravity and bottom plate;Then in step, loop wheel machine is by lifting rope is connect with upper lifting lug Top plate beam is sling;And in step D, the lifting rope of loop wheel machine connect with lower lifting lug and slings the top plate beam that side is fallen.
3. raising-plate method for turning according to claim 1, it is characterised in that:In step C, top plate beam is supported with supporting rack It is fulcrum in one jiao of ground, and is fallen on the downside of Gravitative Loads, or is fallen to required direction side by the way that loop wheel machine applies active force.
4. raising-plate method for turning according to claim 1, it is characterised in that:After the completion of step C, enter step D it Before, turnover bracket is removed.
CN201710860583.9A 2017-09-21 2017-09-21 A kind of top plate beam method for turning CN107473094B (en)

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CN201710860583.9A CN107473094B (en) 2017-09-21 2017-09-21 A kind of top plate beam method for turning

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Application Number Priority Date Filing Date Title
CN201710860583.9A CN107473094B (en) 2017-09-21 2017-09-21 A kind of top plate beam method for turning

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CN107473094B true CN107473094B (en) 2018-09-11

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101549833A (en) * 2008-03-31 2009-10-07 中冶成工建设有限公司 Method for turning over large member
CN103072893A (en) * 2013-01-17 2013-05-01 中国核工业二三建设有限公司 Tool and device for overturning vertical equipment in nuclear power plant
CN105501916A (en) * 2016-01-25 2016-04-20 株洲市华晟实业有限公司 Heavy workpiece turnover device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05193889A (en) * 1992-01-20 1993-08-03 Onoda:Kk Method for tumbling or the like and reversing large sized concrete block
CN207404720U (en) * 2017-09-21 2018-05-25 中国能源建设集团广东火电工程有限公司 A kind of top plate beam turnover bracket

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101549833A (en) * 2008-03-31 2009-10-07 中冶成工建设有限公司 Method for turning over large member
CN103072893A (en) * 2013-01-17 2013-05-01 中国核工业二三建设有限公司 Tool and device for overturning vertical equipment in nuclear power plant
CN105501916A (en) * 2016-01-25 2016-04-20 株洲市华晟实业有限公司 Heavy workpiece turnover device

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