CN109653513A - A kind of large-scale 7 font truss structure turn-over hanging method - Google Patents
A kind of large-scale 7 font truss structure turn-over hanging method Download PDFInfo
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- CN109653513A CN109653513A CN201910018074.0A CN201910018074A CN109653513A CN 109653513 A CN109653513 A CN 109653513A CN 201910018074 A CN201910018074 A CN 201910018074A CN 109653513 A CN109653513 A CN 109653513A
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- truss structure
- font truss
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- whipline
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of large-scale 7 font truss structure turn-over hanging methods, solve the prior art and lift low efficiency, and 7 font truss structure deflections are big in hoisting process, and the problem when lifting to 7 font truss structures more than installation on ground section.The present invention is the following steps are included: step 1,7 font truss structures being lifted by crane and turn over 90 °；Operating condition when step 2, the position for adjusting 7 font truss structures install in place with it is consistent；7 font truss structures are lifted to installation position and i.e. completion lifting are welded and fixed by step 3.The present invention lifts the smooth succinct specification of process, can effectively improve the lifting efficiency of large-scale 7 font truss structures, and the installation on ground section and deflection for reducing by 7 font truss structures guarantee that 7 font truss structure general safeties effectively lift.
Description
Technical field
The present invention relates to a kind of large-scale 7 font truss structure turn-over hanging methods.
Background technique
For large-scale 7 font truss structures because its volume is big, weight weight, the prior art lifts low efficiency, ground in hoisting process
Assembled section is more, and deflection is big, makes troubles to lifting, therefore, designs a kind of large-scale 7 font truss structure turn-over hanging method,
Efficiency is lifted to improve, the deflection and installation on ground section of the medium-and-large-sized 7 font truss structure of hoisting process is reduced, becomes institute
Belong to technical field technical staff technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of large-scale 7 font truss structure turn-over hanging method, solve existing
There is technology to lift low efficiency, 7 font truss structure deflections are big in hoisting process, and when lifting to 7 font truss structures
Problem more than installation on ground section.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of large-scale 7 font truss structure turn-over hanging method, comprising the following steps:
7 font truss structures are lifted by crane and are turned over by step 1, are turned over using three cranes, in three cranes,
One is main crane, and in addition two are respectively the first whipline and the second whipline；
Firstly, four suspension centres are arranged in the middle part of the upper limb of 7 font truss structures, in four suspension centres, one of them is hung
Point is connected with a fixed lifting rope, and remaining three suspension centres are connected separately with a chain block, the fixed lifting rope and all institutes
The free end for stating chain block is connect with the main suspension hook of the main crane；
Then, in the end of 7 font truss structure setting the first auxiliary suspension centre, rope is auxiliarily fixed by institute in use first
The first auxiliary suspension centre is stated to be connected with the first auxiliary suspension hook of first whipline, meanwhile, in the 7 font truss structure
Lower edge setting second auxiliary suspension centre, it is described second auxiliary suspension centre and the 7 font truss structure the distance between pedestal
For L, use second is auxiliarily fixed rope and the second auxiliary suspension centre is connected with the second auxiliary suspension hook of second whipline
It connects；
Later, 7 font truss structure rising woods wind up boom end and lower edge club head set respectively the first cable wind rope and
Second cable wind rope；
Finally, lifting by crane jointly using three cranes, the 7 font truss structure is integrally overturn 90 °；
Step 2, the position for adjusting 7 font truss structures, after the 7 font truss structure integrally overturns 90 °, described
It is auxiliary by the second of the first auxiliary suspension hook of first whipline and second whipline in the case that main crane is motionless
It helps suspension hook to release with the 7 font truss structure respectively to connect, later using manpower respectively by first cable wind rope and described
Second cable wind rope pulls the 7 font truss structure in the opposite direction, adjusts the 7 font truss structure to it and installs just
Operating condition when position is consistent；
7 font truss structures are lifted to installation position and are welded and fixed by step 3, when the 7 font truss structure adjust to
When operating condition when installing in place with it is consistent, the rotation principal arm of main crane is rotated, slowly to hang the 7 font truss structure
It toward its installation position, and aligns the 7 font truss structure with its installation position, is installed in the 7 font truss structure with it
Before bit-by-bit, chain block is adjusted by manpower, keeps several chord member angles of the 7 font truss structure and setting angle
Unanimously, after adjustment, jar plate is welded and fixed, main crane pine hook, that is, completes lifting.
Specifically, the second auxiliary suspension centre is that the 7 font truss structure is carrying out entirety in the step 1
The point of truss deformation is most easily produced when 90 ° of overturnings.
Specifically, being lifted by crane jointly using three cranes in the step 1 and integrally turning over the 7 font truss structure
Turn 90 ° of method are as follows: the lifting upwards simultaneously of three cranes, it is described when the sling height H of the 7 font truss structure is equal to L
Second whipline remains stationary, and the main crane and first whipline continue up lifting, until 7 font purlin
The pedestal of frame structure contacts to earth, and the 7 font truss structure realizes whole 90 ° of overturning at this time.
Specifically, in the step 1, after the 7 font truss structure turns over, the fixed lifting rope and horizontal plane
Between angle α=60 °.
Specifically, in the step 1, after the 7 font truss structure turns over, in 7 font truss structure upper limbs
Vertical line passes through the center of gravity of the 7 font truss structure where four hoisting point positions in portion need to guarantee the main suspension hook of the main crane
Position.
Specifically, during rotating the rotation principal arm of main crane, need to be distinguished using manpower in the step 3
The setting angle that the 7 font truss structure is controlled by first cable wind rope and second cable wind rope remains unchanged.
Compared with prior art, the invention has the following advantages:
The present invention lifts the smooth succinct specification of process, can effectively improve the lifting efficiency of large-scale 7 font truss structures, reduce
The deflection of 7 font truss structures lifting can be effectively controlled in hoisting process for 7 font truss structure installation on ground sections, simultaneously also
The installation measure of 7 font truss structures can be effectively reduced, guarantees that 7 font truss structure general safeties effectively lift.
Detailed description of the invention
Fig. 1 is 7 font truss structure schematic diagrames of the invention.
Fig. 2 is the preceding state diagram of overturning after 7 font truss structures lifting of the invention.
Fig. 3 is state diagram after 7 font truss structures of the invention lift by crane and overturn 90 °.
Fig. 4 is state diagram when 7 font truss structures are adjusted consistent to operating condition when installing in place with it by the present invention.
Wherein, the corresponding title of appended drawing reference are as follows:
A kind of large-scale 7 font truss structure turn-over hanging method, which comprises the following steps:
1-7 font truss structure, the main suspension hook of 2-, 3- first assist suspension hook, 4- second assist suspension hook, the first cable wind rope of 5-,
The second cable wind rope of 6-, the main crane of 7-, 8- rotation principal arm, the fixed lifting rope of 21-, 22- chain block, 31- first be auxiliarily fixed rope,
Rope is auxiliarily fixed in 41- second.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
As shown in Figs 1-4, a kind of large-scale 7 font truss structure turn-over hanging method provided by the invention, including following step
It is rapid:
7 font truss structures 1 are lifted by crane and are turned over by step 1, are turned over using three cranes, in three cranes,
One is main crane 7, and in addition two are respectively the first whipline and the second whipline；
Firstly, four suspension centres are arranged in the middle part of the upper limb of 7 font truss structures 1, in four suspension centres, one of them is hung
Point is connected with a fixed lifting rope 21, and remaining three suspension centres are connected separately with a chain block 22, fixed 21 He of lifting rope
The free end of all chain blocks 22 is connect with the main suspension hook 2 of the main crane 7；
Then, in the end of the 7 font truss structure 1 setting the first auxiliary suspension centre, rope 31 is auxiliarily fixed in use first
The first auxiliary suspension centre is connected with the first auxiliary suspension hook 3 of first whipline, meanwhile, in 7 font purlin
Frame structure 1 lower edge setting second auxiliary suspension centre, it is described second auxiliary suspension centre and the 7 font truss structure 1 pedestal it
Between distance be L, and the second auxiliary suspension centre is that the 7 font truss structure 1 is easiest to when carrying out whole 90 ° of overturnings
Generate the point of truss deformation, rope 41 is auxiliarily fixed by the of the second auxiliary suspension centre and second whipline in use second
Two auxiliary suspension hooks 4 are connected；
Later, 7 font truss structure, 1 rising wood wind up boom end and lower edge club head sets the first cable wind rope 5 respectively
With the second cable wind rope 6；
Finally, being lifted by crane jointly using three cranes, by whole 90 ° of the overturning of the 7 font truss structure 1, method for turning are as follows:
The lifting upwards simultaneously of three cranes, when the sling height H of the 7 font truss structure 1 is equal to L, second whipline
It remains stationary, the main crane 7 and first whipline continue up lifting, until the bottom of the 7 font truss structure 1
Seat contacts to earth, and the 7 font truss structure 1 realizes whole 90 ° of overturning at this time.
Angle α=60 ° after the 7 font truss structure 1 turns over, between the fixed lifting rope 21 and horizontal plane.When
After the 7 font truss structure 1 turns over, four hoisting point positions in the middle part of 7 font truss structure, 1 upper limb need to guarantee the main crane
72 place vertical line of main suspension hook passes through the position of centre of gravity of the 7 font truss structure 1.
Step 2, the position for adjusting 7 font truss structures 1, after described 90 ° of 7 font truss structure, 1 whole overturning, in institute
State main crane 7 it is motionless in the case where, assist the of suspension hook 3 and second whipline for the first of first whipline
Two auxiliary suspension hooks 4 are released with the 7 font truss structure 1 respectively to be connected, later using manpower respectively by first cable wind rope 5
Pull the 7 font truss structure 1 in the opposite direction with second cable wind rope 6, make the 7 font truss structure 1 adjust to
Operating condition when installing in place with it is consistent.The worker for pulling first cable wind rope (5) is 2-3 people, pulls second cable
The worker of wind rope (6) is 2-3 people.
7 font truss structures 1 are lifted to installation position and are welded and fixed by step 3, when the 7 font truss structure 1 adjusts
When consistent to operating condition when installing in place with it, the rotation principal arm 8 of main crane 7 is rotated, slowly by the 7 font truss knot
Structure 1 is hung toward its installation position, and aligns the 7 font truss structure 1 with its installation position, in the rotation master for rotating main crane 7
During arm, 7 font need to be controlled by first cable wind rope 5 and second cable wind rope 6 using manpower respectively
The setting angle of truss structure 1 remains unchanged；Before the 7 font truss structure 1 installs bit-by-bit with it, adjusted by manpower
Chain block 22 is consistent several chord member angles of the 7 font truss structure 1 with setting angle, after adjustment, adds
Otic placode is welded and fixed, the loose hook of main crane 7 completes lifting.
The present invention lifts the smooth succinct specification of process, can effectively improve the lifting efficiency of large-scale 7 font truss structures, reduce
The deflection of 7 font truss structures lifting can be effectively controlled in hoisting process for 7 font truss structure installation on ground sections, simultaneously also
The installation measure of 7 font truss structures can be effectively reduced, guarantees that 7 font truss structure general safeties effectively lift.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (6)
1. a kind of large-scale 7 font truss structure turn-over hanging method, which comprises the following steps:
7 font truss structures are lifted by crane and are turned over by step 1, are turned over using three cranes, in three cranes, one
For main crane, in addition two are respectively the first whipline and the second whipline；
Firstly, four suspension centres are arranged in the middle part of the upper limb of 7 font truss structures, in four suspension centres, one of suspension centre connects
It is connected to a fixed lifting rope, remaining three suspension centres are connected separately with a chain block, the fixed lifting rope and all hands
The free end of cucurbit is drawn to connect with the main suspension hook of the main crane；
Then, in the end of 7 font truss structure setting the first auxiliary suspension centre, rope is auxiliarily fixed by described the in use first
One auxiliary suspension centre is connected with the first auxiliary suspension hook of first whipline, meanwhile, under the 7 font truss structure
Edge setting the second auxiliary suspension centre, the distance between the second auxiliary suspension centre and the pedestal of the 7 font truss structure are L,
Rope is auxiliarily fixed using second the second auxiliary suspension centre is connected with the second auxiliary suspension hook of second whipline；
Later, 7 font truss structure rising woods wind up boom end and lower edge club head sets the first cable wind rope and second respectively
Cable wind rope；
Finally, lifting by crane jointly using three cranes, the 7 font truss structure is integrally overturn 90 °；
Step 2, the position for adjusting 7 font truss structures are hung after the 7 font truss structure integrally overturns 90 ° in the master
In the case that vehicle is motionless, by the second auxiliary hanging of the first auxiliary suspension hook and second whipline of first whipline
Hook releases with the 7 font truss structure connect respectively, later using manpower respectively by first cable wind rope and described second
Cable wind rope pulls the 7 font truss structure in the opposite direction, adjusts the 7 font truss structure to when installing in place with it
Operating condition it is consistent；
7 font truss structures are lifted to installation position and are welded and fixed by step 3, when the 7 font truss structure adjust to its
When operating condition when installing in place is consistent, the rotation principal arm of main crane is rotated, slowly to hang the 7 font truss structure toward it
Installation position, and align the 7 font truss structure with its installation position, in the 7 font truss structure and its installation position pair
Before position, chain block is adjusted by manpower, several chord member angles of the 7 font truss structure and setting angle is made to keep one
It causes, after adjustment, jar plate is welded and fixed, main crane pine hook, that is, completes lifting.
2. a kind of large-scale 7 font truss structure turn-over hanging method according to claim 1, which is characterized in that described
In step 1, the second auxiliary suspension centre is that the 7 font truss structure most easily produces truss when carrying out whole 90 ° of overturnings
The point of deformation.
3. a kind of large-scale 7 font truss structure turn-over hanging method according to claim 2, which is characterized in that described
In step 1, the method that the 7 font truss structure is integrally overturn 90 ° is lifted by crane jointly using three cranes are as follows: three cranes are same
When lift by crane upwards, when the sling height H of the 7 font truss structure be equal to L when, second whipline remains stationary, institute
It states main crane and first whipline continues up lifting, until the pedestal of the 7 font truss structure contacts to earth, at this time should
7 font truss structures realize whole 90 ° of overturning.
4. a kind of large-scale 7 font truss structure turn-over hanging method according to claim 3, which is characterized in that described
Angle α=60 ° in step 1, after the 7 font truss structure turns over, between the fixed lifting rope and horizontal plane.
5. a kind of large-scale 7 font truss structure turn-over hanging method according to claim 4, which is characterized in that described
In step 1, after the 7 font truss structure turns over, four hoisting point positions in the middle part of 7 font truss structure upper limbs need to guarantee institute
Vertical line passes through the position of centre of gravity of the 7 font truss structure where stating the main suspension hook of main crane.
6. a kind of large-scale 7 font truss structure turn-over hanging method according to claim 5, which is characterized in that described
In step 3, during rotating the rotation principal arm of main crane, first cable wind rope and described need to be passed through respectively using manpower
Second cable wind rope remains unchanged to control the setting angle of the 7 font truss structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018074.0A CN109653513B (en) | 2019-01-09 | 2019-01-09 | Turnover hoisting method for large 7-shaped truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018074.0A CN109653513B (en) | 2019-01-09 | 2019-01-09 | Turnover hoisting method for large 7-shaped truss structure |
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| Publication Number | Publication Date |
|---|---|
| CN109653513A true CN109653513A (en) | 2019-04-19 |
| CN109653513B CN109653513B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910018074.0A Active CN109653513B (en) | 2019-01-09 | 2019-01-09 | Turnover hoisting method for large 7-shaped truss structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395533A (en) * | 2020-03-30 | 2020-07-10 | 中铁二局第一工程有限公司 | Multi-mechanism resultant force air overturning construction method for large-span arc-shaped latticed shell structure |
| CN113175090A (en) * | 2021-04-26 | 2021-07-27 | 武汉凌云建筑装饰工程有限公司 | Construction method for large-span stay cable pull rod truss steel structure |
| CN115162534A (en) * | 2022-06-23 | 2022-10-11 | 中国建筑第二工程局有限公司 | Construction method of large-span special-shaped truss ceiling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2950726B2 (en) * | 1994-06-07 | 1999-09-20 | 東日本旅客鉄道株式会社 | Construction method of multi-layer suspension structure |
| CN104746883A (en) * | 2015-03-27 | 2015-07-01 | 浙江中南建设集团钢结构有限公司 | Construction method for three-crane lifting installation used for bow-shaped space truss |
| CN107675890A (en) * | 2017-10-16 | 2018-02-09 | 山东电力建设第工程公司 | A kind of method at aerial regulation steel truss mast-up angle of inclination |
| CN108518071A (en) * | 2018-03-23 | 2018-09-11 | 中国二十冶集团有限公司 | The installation method of the double-deck large-span steel vestibule |
-
2019
- 2019-01-09 CN CN201910018074.0A patent/CN109653513B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2950726B2 (en) * | 1994-06-07 | 1999-09-20 | 東日本旅客鉄道株式会社 | Construction method of multi-layer suspension structure |
| CN104746883A (en) * | 2015-03-27 | 2015-07-01 | 浙江中南建设集团钢结构有限公司 | Construction method for three-crane lifting installation used for bow-shaped space truss |
| CN107675890A (en) * | 2017-10-16 | 2018-02-09 | 山东电力建设第工程公司 | A kind of method at aerial regulation steel truss mast-up angle of inclination |
| CN108518071A (en) * | 2018-03-23 | 2018-09-11 | 中国二十冶集团有限公司 | The installation method of the double-deck large-span steel vestibule |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395533A (en) * | 2020-03-30 | 2020-07-10 | 中铁二局第一工程有限公司 | Multi-mechanism resultant force air overturning construction method for large-span arc-shaped latticed shell structure |
| CN113175090A (en) * | 2021-04-26 | 2021-07-27 | 武汉凌云建筑装饰工程有限公司 | Construction method for large-span stay cable pull rod truss steel structure |
| CN115162534A (en) * | 2022-06-23 | 2022-10-11 | 中国建筑第二工程局有限公司 | Construction method of large-span special-shaped truss ceiling |
| CN115162534B (en) * | 2022-06-23 | 2023-07-21 | 中国建筑第二工程局有限公司 | Construction method of large-span special-shaped truss ceiling |
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| CN109653513B (en) | 2021-03-30 |
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