CN112456303A - Large prefabricated cylinder hoisting method - Google Patents
Large prefabricated cylinder hoisting method Download PDFInfo
- Publication number
- CN112456303A CN112456303A CN202011465770.5A CN202011465770A CN112456303A CN 112456303 A CN112456303 A CN 112456303A CN 202011465770 A CN202011465770 A CN 202011465770A CN 112456303 A CN112456303 A CN 112456303A
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- Prior art keywords
- hoisting
- hole
- posture adjusting
- column body
- posture
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000007306 turnover Effects 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a large prefabricated column body hoisting method, which is characterized in that a large column body is prefabricated on a construction site, a posture adjusting hole and a hoisting hole are prefabricated at proper positions, the column body is turned over through the posture adjusting hole after the column body is poured, then the column body is hoisted through the hoisting hole, and the height, the angle and the position of the column body are adjusted through the posture adjusting hole in an assisting manner. A plurality of attitude adjustment hoists can effectively reduce the stress size of stress point, prevent that the cylinder from appearing the broken situation in turn-over and attitude adjustment in-process. The column body is lifted by the lifting sling in the lifting process, the posture of the column body is adjusted by the posture adjusting sling in the lifting process, the posture of the column body can be adjusted quickly and accurately, and the column body and the installation point can be installed and fixed in place after being butted once. The invention can greatly shorten the hoisting time of the cylinder, reduce the risk in the hoisting process, and can ensure that the structural strength of the cylinder is not influenced without disassembling the cylinder.
Description
Technical Field
The invention relates to a hoisting method, in particular to a hoisting method for a large prefabricated cylinder.
Background
For the high-altitude cylinder structure, because its length is great, the quality is great and the mounted position is higher, all very difficult when hoist and mount and installation, adopt traditional hoist and mount mode to be difficult to the operation, and have a lot of unsafe factors, if the hoist and mount rope drops easily, hoist and mount point wearing and tearing fracture easily, the cylinder can't adjust position and gesture aloft, can't accurate alignment when leading to the installation for the installation effectiveness is very slow and the installation quality is difficult to guarantee. Although some methods of processing the cylinder in sections and then hoisting and installing the cylinder in sections can avoid the condition that the cylinder is inconvenient to adjust and unsafe to hoist due to length and quality of the cylinder, the hoisting process takes longer time due to the sectional hoisting and installing, the sections need to be spliced and fixed at high altitude, the workload of splicing and installing is increased, and the process has higher risk. The column body after sectional installation is not of an integral structure, so that the structural strength is greatly reduced, and particularly, the splicing position is easy to deform or even break under the action of external force, and potential safety hazards are buried, so that the problem cannot be well solved by adopting a sectional hoisting method.
Disclosure of Invention
The invention aims to provide a large prefabricated cylinder hoisting method to solve the problem that the existing large cylinder is difficult to hoist.
The invention is realized by the following steps: a large prefabricated column hoisting method comprises the following steps:
a. the method comprises the steps of calculating according to the length, the material and the structure of a cylinder, obtaining the number and the position of hoisting holes and the number and the position of posture adjusting holes through calculation, wherein at least one hoisting hole is close to the middle position, at least two posture adjusting holes are distributed on two sides of the position of the hoisting hole, and the length direction of each posture adjusting hole is perpendicular to the length direction of the hoisting hole.
b. And (3) binding the steel bars of the column body in the mould of the facility column body on the ground on the construction site, placing and fixing the pipe body at the position of the hoisting hole and the position of the posture adjusting hole which are obtained by calculation, wherein the posture adjusting hole is in a horizontal state, the hoisting hole is in a vertical state, and pouring concrete into the mould to manufacture the column body.
c. And maintaining the column concrete until the structural strength of the column meets the requirement, and then removing the mold.
d. The posture adjusting lifting tool is mounted at the position of the posture adjusting hole and comprises a posture adjusting cross beam, the posture adjusting cross beam penetrates through the posture adjusting hole, a posture adjusting lifting lug is fixedly connected to one end of the posture adjusting cross beam, a posture adjusting lifting hole is formed in the posture adjusting lifting lug, a pin hole is formed in the other end of the posture adjusting cross beam, a baffle is connected to the inner side of the pin hole in the posture adjusting cross beam in a penetrating mode, and a limiting pin is connected in the pin hole in a penetrating mode to limit the position of the baffle.
e. Preparing at least two lifting devices, connecting the lifting devices with all the posture adjusting holes through slings, and starting the lifting devices to turn over the column body to enable the lifting holes to be in a horizontal state.
f. The hoisting device is installed on the hoisting hole and comprises a hoisting cross beam in the hoisting hole in a cross-connection mode, pin holes are formed in two ends of the hoisting cross beam, two hoisting lugs are connected to two extending ends of the hoisting cross beam in a cross-connection mode, the two hoisting lugs are attached to two ends of the cylinder hoisting hole in a leaning mode, limiting pins are connected in the pin holes in a cross-connection mode to limit the positions of the hoisting lugs, and hoisting holes are formed in the hoisting lugs.
g. And respectively connecting the slings of the two hoisting devices with hoisting lugs at two ends of a hoisting sling, and starting the hoisting devices to hoist the column body from the ground.
h. In the hoisting process, the posture of the upright post is adjusted through the posture adjusting lifting appliance, so that the height, the angle and the position of the upright post meet the installation requirements, and the upright post is connected and installed after being in butt joint with an installation point.
The attitude adjusting lifting lug is welded at the end part of the attitude adjusting beam.
All the posture adjusting lifting lugs are positioned on the same side of the upright post.
According to the invention, the large-scale column body is prefabricated on a construction site, the posture adjusting hole and the hoisting hole are prefabricated at proper positions, after the column body is poured, the column body is turned over through the posture adjusting hole, then the column body is hoisted through the hoisting hole, and the height, the angle and the position of the column body are adjusted by the aid of the posture adjusting hole, so that the column body can be successfully installed in a one-time butt joint mode. The suspension post is all accomplished through the attitude adjustment hoist at the turn-over on ground and the attitude adjustment in the air, and a plurality of attitude adjustment hoists can effectively reduce the stress size of stress point, prevent that the cylinder from appearing the situation of fracture destruction in turn-over and attitude adjustment in-process. The column body is lifted by the lifting sling in the lifting process, the posture of the column body is adjusted by the posture adjusting sling in the lifting process, the posture of the column body can be adjusted quickly and accurately, the angle and the posture of the column body meet the installation requirements, and the column body and the installation point can be installed and fixed in place after being butted once. The invention can greatly shorten the hoisting time of the cylinder, reduce the risk in the hoisting process, and can ensure that the structural strength of the cylinder is not influenced without disassembling the cylinder.
Drawings
Fig. 1 is a layout view of attitude adjustment holes and lifting holes on a column body of the present invention.
Fig. 2 is a schematic structural diagram of the attitude adjustment spreader of the present invention.
Fig. 3 is a schematic structural view of the lifting sling according to the invention.
Fig. 4 is a view from a-a of fig. 3.
Fig. 5 is a view from B-B of fig. 3.
In the figure: 1. a cylinder; 2. hoisting holes; 3. a posture adjustment hole; 4. a posture adjustment beam; 5. a baffle plate; 6. the posture adjusting lifting lug; 7. a posture adjustment lifting hole; 8. hoisting the lifting lug; 9. lifting holes; 10. a spacing pin; 11. and (5) hoisting the beam.
Detailed Description
The invention relates to a prefabrication hoisting method of a large column body 1, which aims to solve the problems of difficult operation, high risk and low efficiency when hoisting the large column body 1 to a high-altitude position at present.
As shown in fig. 1, calculation is performed according to the length, material and structure of the column body 1, the number and position of the hoisting holes 2 and the number and position of the posture adjustment holes 3 are obtained through calculation, at least one hoisting hole 2 is close to the middle position, at least two posture adjustment holes 3 are distributed on two sides of the position of the hoisting hole 2, and meanwhile, the length direction of the posture adjustment holes 3 is perpendicular to the length direction of the hoisting hole 2.
The method comprises the steps that simulation calculation is needed for a cylinder 1 with a complex structure to determine the number and the accurate position of a needed hoisting hole 2 and an attitude adjusting hole 3, the hoisting hole 2 is generally arranged at the position of the center of gravity in consideration of the balance after hoisting, and if the structure at the position of the center of gravity does not allow the hoisting hole 2 to be arranged, the hoisting hole 2 is arranged at the position close to the center of gravity and capable of arranging the hoisting hole 2. Posture adjustment hole 3 distributes along the length direction of cylinder 1, and posture adjustment hole 3 just distributes in the both sides of hole for hoist 2 like this, and a plurality of posture adjustment holes 3 atress simultaneously when being the 1 turn-ups of cylinder on the one hand can avoid the uneven damage to cylinder 1 that leads to the fact of atress when the turn-ups, and on the other hand is convenient for adjust the gesture of cylinder 1 when lifting by crane the in-process and installing, and supplementary hoist and mount once targets in place when guaranteeing the installation.
At the subaerial facility cylinder 1's of job site mould, the reinforcing bar of ligature cylinder 1 in the mould is placed and is fixed the body in hoist and mount hole 2 positions and the 3 positions in gesture adjustment hole that calculate and obtain, and gesture adjustment hole 3 is the horizontality, and hoist and mount hole 2 is vertical state, carries out the preparation of cylinder 1 to concrete pouring in the mould.
After the column body 1 is poured, the tube body placed inside the column body 1 forms a hoisting hole 2 or a posture adjusting hole 3, the angle of the column body 1 needs to be adjusted by rotating the column body 1 by taking the hoisting hole 2 as an axis in the hoisting process, and the column body 1 needs to keep balance in the axis direction of the hoisting hole 2, so that the posture adjusting hole 3 and the hoisting hole 2 are perpendicular to each other. Considering that the column body 1 needs to be turned over when the lifting appliance is installed in the later period, the initial state of the posture adjusting hole 3 is a horizontal state, and the initial state of the lifting hole 2 is a vertical state.
And (5) curing the concrete of the column body 1, and removing the mould until the structural strength of the column body 1 meets the requirement.
As shown in fig. 2, an attitude adjustment hanger is installed at the position of the attitude adjustment hole 3, the attitude adjustment hanger comprises an attitude adjustment beam 4, the attitude adjustment beam 4 penetrates through the attitude adjustment hole 3, an attitude adjustment lug 6 is fixedly connected to one end of the attitude adjustment beam 4, an attitude adjustment hanging hole 7 is formed in the attitude adjustment lug 6, a pin hole is formed in the other end of the attitude adjustment beam 4, a baffle 5 is connected to the inner side of the pin hole in the attitude adjustment beam 4 in a penetrating manner, and a limit pin 10 is connected in the pin hole in a penetrating manner to limit the position of the baffle 5.
The interval between gesture adjustment lug and baffle 5 is the width of cylinder 1 on 3 length directions in the gesture adjustment hole for the firm installation in the gesture adjustment hole of gesture adjustment hoist, all the lugs of gesture adjustment hoist all are located same one side of cylinder 1, and the tip at gesture adjustment crossbeam 4 is welded to gesture adjustment lug 6, makes it become firm whole.
Preparing at least two lifting devices, connecting the lifting devices with all the posture adjusting holes 3 through slings, starting the lifting devices to turn over the column body 1, and enabling the lifting holes 2 to be in a horizontal state.
As shown in fig. 3, 4 and 5, a hoisting hanger is installed on the hoisting hole 2, the hoisting hanger comprises a hoisting beam 11 penetrating into the hoisting hole 2, pin holes are formed in two ends of the hoisting beam 11, two hoisting lugs 8 penetrate through two ends of the hoisting beam 11, the two hoisting lugs 8 are attached to two ends of the hoisting hole 2 of the cylinder 1, limiting pins 10 penetrate through the pin holes to limit the positions of the hoisting lugs 8, and hoisting holes 9 are formed in the hoisting lugs 8.
The slings of the two hoisting devices are respectively connected with the hoisting lifting lugs 8 at the two ends of the hoisting sling, and the hoisting devices are started to hoist the column body 1 from the ground.
In the hoisting process, the posture of the upright post is adjusted through the posture adjusting lifting appliance, so that the height, the angle and the position of the upright post meet the installation requirements, and the upright post is connected and installed after being in butt joint with an installation point.
According to the invention, a large-scale column body 1 is prefabricated on a construction site, a posture adjusting hole 3 and a hoisting hole 2 are prefabricated at proper positions, after the column body 1 is poured, the column body 1 is turned over through the posture adjusting hole 3, then the column body 1 is hoisted through the hoisting hole 2, and the height, the angle and the position of the column body 1 are assisted to be adjusted through the posture adjusting hole 3, so that the column body 1 can be successfully butted and installed at one time.
The suspension post is all accomplished through the attitude adjustment hoist at the turn-over on ground and the attitude adjustment in the air, and a plurality of attitude adjustment hoists can effectively reduce the stress size of stress point, prevent that the fracture destruction situation from appearing in turn-over and the attitude adjustment in-process in cylinder 1.
The cylinder 1 is lifted by the lifting sling in the lifting process, the posture of the cylinder 1 is adjusted by the posture adjusting sling in the lifting process, the posture of the cylinder can be adjusted quickly and accurately, the angle and the posture of the cylinder 1 meet the installation requirements, and the cylinder 1 and the installation point can be installed and fixed in place after being butted once.
The invention can greatly shorten the hoisting time of the cylinder 1, reduce the risk in the hoisting process, and can ensure that the structural strength of the cylinder 1 is not influenced without disassembling the cylinder 1.
Claims (3)
1. A large prefabricated column hoisting method is characterized by comprising the following steps:
a. calculating according to the length, the material and the structure of the cylinder body, and obtaining the number and the position of hoisting holes and the number and the position of posture adjusting holes through calculation, wherein at least one hoisting hole is close to the middle position, at least two posture adjusting holes are distributed on two sides of the position of the hoisting hole, and the length direction of the posture adjusting holes is vertical to the length direction of the hoisting hole;
b. binding steel bars of the column body in a mould of the facility column body on the ground of a construction site, placing and fixing the pipe body at the position of the hoisting hole and the position of the posture adjusting hole which are obtained by calculation, wherein the posture adjusting hole is in a horizontal state, the hoisting hole is in a vertical state, and pouring concrete into the mould to manufacture the column body;
c. maintaining the column concrete until the structural strength of the column meets the requirement, and then removing the mold;
d. installing a posture adjusting hanger at the position of the posture adjusting hole, wherein the posture adjusting hanger comprises a posture adjusting beam, the posture adjusting beam penetrates through the posture adjusting hole, one end of the posture adjusting beam is fixedly connected with a posture adjusting lug, the posture adjusting lug is provided with a posture adjusting hanging hole, the other end of the posture adjusting beam is provided with a pin hole, a baffle is connected to the inner side of the pin hole on the posture adjusting beam in a penetrating manner, and a limiting pin is connected in the pin hole in a penetrating manner to limit the position of the baffle;
e. preparing at least two lifting devices, connecting the lifting devices with all the posture adjusting holes through slings, starting the lifting devices to turn over the column body, and enabling the lifting holes to be in a horizontal state;
f. installing a hoisting hanger on the hoisting hole, wherein the hoisting hanger comprises a hoisting cross beam which is connected in the hoisting hole in a penetrating manner, pin holes are formed in two ends of the hoisting cross beam, two hoisting lugs penetrate through two extending ends of the hoisting cross beam and are attached to two ends of the cylinder hoisting hole, limiting pins penetrate through the pin holes to limit the positions of the hoisting lugs, and hoisting holes are formed in the hoisting lugs;
g. respectively connecting the slings of the two hoisting devices with hoisting lifting lugs at two ends of a hoisting sling, and starting the hoisting devices to hoist the column body from the ground;
h. in the hoisting process, the posture of the upright post is adjusted through the posture adjusting lifting appliance, so that the height, the angle and the position of the upright post meet the installation requirements, and the upright post is connected and installed after being in butt joint with an installation point.
2. The hoisting method of the large precast column according to claim 1, wherein the posture adjustment lug is welded to an end of the posture adjustment beam.
3. The hoisting method for the large-scale prefabricated cylinder according to claim 1, wherein all the attitude adjustment lifting lugs are positioned on the same side of the upright column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465770.5A CN112456303A (en) | 2020-12-14 | 2020-12-14 | Large prefabricated cylinder hoisting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465770.5A CN112456303A (en) | 2020-12-14 | 2020-12-14 | Large prefabricated cylinder hoisting method |
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| Publication Number | Publication Date |
|---|---|
| CN112456303A true CN112456303A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011465770.5A Pending CN112456303A (en) | 2020-12-14 | 2020-12-14 | Large prefabricated cylinder hoisting method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434366A (en) * | 2008-12-12 | 2009-05-20 | 宁夏电力建设工程公司 | Hoisting tool and hoisting method for column component |
| CN202099933U (en) * | 2011-05-25 | 2012-01-04 | 中国华冶科工集团有限公司 | Precast column and lifting appliance thereof |
| CN102877680A (en) * | 2012-10-09 | 2013-01-16 | 陕西有色建设有限公司 | Construction method for prefabricated column to be lifted in position for one time |
| CN104612407A (en) * | 2014-12-23 | 2015-05-13 | 浙江锦鑫建设工程有限公司 | Hanging method of special-shaped reinforced concrete prefabricated column |
| CN107304630A (en) * | 2016-04-22 | 2017-10-31 | 五冶集团上海有限公司 | The turn-over method of bent structure precast concrete column |
| CN210193173U (en) * | 2019-05-07 | 2020-03-27 | 广西建工集团第五建筑工程有限责任公司 | Large-scale H shaped steel stand hoist and mount hoist that breaks off relations fast |
-
2020
- 2020-12-14 CN CN202011465770.5A patent/CN112456303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434366A (en) * | 2008-12-12 | 2009-05-20 | 宁夏电力建设工程公司 | Hoisting tool and hoisting method for column component |
| CN202099933U (en) * | 2011-05-25 | 2012-01-04 | 中国华冶科工集团有限公司 | Precast column and lifting appliance thereof |
| CN102877680A (en) * | 2012-10-09 | 2013-01-16 | 陕西有色建设有限公司 | Construction method for prefabricated column to be lifted in position for one time |
| CN104612407A (en) * | 2014-12-23 | 2015-05-13 | 浙江锦鑫建设工程有限公司 | Hanging method of special-shaped reinforced concrete prefabricated column |
| CN107304630A (en) * | 2016-04-22 | 2017-10-31 | 五冶集团上海有限公司 | The turn-over method of bent structure precast concrete column |
| CN210193173U (en) * | 2019-05-07 | 2020-03-27 | 广西建工集团第五建筑工程有限责任公司 | Large-scale H shaped steel stand hoist and mount hoist that breaks off relations fast |
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Application publication date: 20210309 |