CN114575601A - Method for installing net rack - Google Patents
Method for installing net rack Download PDFInfo
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- CN114575601A CN114575601A CN202210262388.7A CN202210262388A CN114575601A CN 114575601 A CN114575601 A CN 114575601A CN 202210262388 A CN202210262388 A CN 202210262388A CN 114575601 A CN114575601 A CN 114575601A
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- hoisting
- masts
- rack
- rack unit
- mast
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/60—Derricks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
- E04G21/16—Tools or apparatus
-
- 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
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- 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
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a net rack installation method, which comprises the following steps: and (3) laying a plurality of hoisting masts: arranging a plurality of lifting masts arranged along an array in an installation area provided with a plurality of installation columns, wherein one installation column is positioned between two adjacent lifting masts; hoisting the plurality of net rack units: a plurality of net rack units are respectively hoisted to be fixed with a plurality of corresponding mounting columns for a plurality of times by taking a plurality of hoisting masts as a bracket; disassembling a plurality of hoisting masts: and dumping the plurality of hoisting masts one by one until all the masts are completely dumped. According to the net rack installation method, the hoisting process of the net rack unit is simplified through the arrangement of the hoisting masts, the time required by net rack installation is shortened, the net rack installation speed is increased, and further the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of steel roof truss hoisting, in particular to a net rack mounting method.
Background
In the existing building process, common construction methods of the steel structure net rack include an overhead splicing method and an overhead sliding method, wherein the overhead splicing method is used for splicing and assembling at high altitude, the number of required splicing supports is large, and high-altitude operation is more, and the overhead sliding method reduces the danger of the high-altitude operation and does not need large-scale hoisting and mounting equipment, but the process is complex, the consumed time is long, and the construction efficiency is low.
Disclosure of Invention
The invention mainly aims to provide a net rack installation method, and aims to solve the problems that the existing net rack installation method is complex and time-consuming, and the construction efficiency is low.
In order to achieve the above object, the present invention provides a rack mounting method, in which a rack includes a plurality of rack units, the rack mounting method including the steps of:
and (3) laying a plurality of hoisting masts: arranging a plurality of lifting masts arranged along an array in an installation area provided with a plurality of installation columns, wherein one installation column is positioned between two adjacent lifting masts;
hoisting the plurality of net rack units: a plurality of net rack units are respectively hoisted to be fixed with a plurality of corresponding mounting columns for a plurality of times by taking a plurality of hoisting masts as a bracket;
disassembling a plurality of hoisting masts: and dumping the plurality of hoisting masts one by one until all the masts are completely dumped.
Optionally, the plurality of rack units comprises a central rack unit, an intermediate rack unit and a peripheral rack unit;
hoisting the plurality of net rack units: the step of taking a plurality of the hanging masts as a bracket and respectively hoisting a plurality of the net rack units to be fixed with a plurality of corresponding mounting columns for a plurality of times comprises the following steps:
fixing the central net rack unit with a plurality of corresponding mounting columns;
fixing the intermediate net rack unit with a plurality of corresponding mounting columns;
and fixing the peripheral net rack unit with a plurality of corresponding mounting columns.
Optionally, the hoisting of the plurality of rack units: the step of taking a plurality of the hanging masts as a bracket and respectively hoisting a plurality of the net rack units to be fixed with a plurality of corresponding mounting columns for a plurality of times comprises the following steps:
and the corresponding net rack unit is hoisted to be fixed with the corresponding mounting columns at a single time.
Optionally, the step of "hoisting the corresponding rack unit to be fixed to the corresponding mounting posts at a time" includes:
assembling net rack units: assembling a plurality of rod pieces in an assembling area provided with a plurality of mounting columns and a plurality of hoisting masts to obtain a net rack unit, wherein the hoisting masts and the mounting columns are positioned in meshes of the net rack unit;
hoisting the net rack unit: the upper end of the hoisting mast is taken as a fulcrum, and the net rack unit is pulled upwards to a first preset height;
the net rack unit is located: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and dropping the net rack unit to a set position;
fixing the net rack unit: and fixing the net rack unit with the corresponding mounting columns.
Optionally, the "rack unit landing: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the net rack unit to a set position comprises the following steps:
loosening at least one end of a guy rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, and reducing the height of the upper ends of the lifting masts;
the pulling is located two at least regulation ropes of the relative both sides of rack unit adjust the position of rack unit at the horizontal plane, in order to incite somebody to action the rack unit is adjusted to the settlement position.
Optionally, after the step of pulling at least two adjusting ropes located at two opposite sides of the rack unit to adjust the position of the horizontal plane of the rack unit so as to adjust the rack unit to a set position, the method further comprises:
loosen the connection with the lift mast upper end is the fulcrum and connects in the hoist rope of rack unit, reduces the height of rack, in order to with a plurality of the upper end butt of erection column.
Optionally, hoisting at the net rack unit: the method comprises the following steps of taking the upper end of the lifting mast as a fulcrum, and pulling the net rack unit upwards to a first preset height:
and taking the upper end of the lifting mast as a fulcrum, and pulling the net rack unit upwards to a detection height which is lower than the upper end of the mounting column.
Optionally, the plurality of rack units comprises a central rack unit, a middle rack unit and a peripheral rack unit;
the plurality of hoisting masts comprise a plurality of central hoisting masts arranged corresponding to the central grid unit, a plurality of middle hoisting masts arranged corresponding to the middle grid unit and a plurality of peripheral hoisting masts arranged corresponding to the peripheral grid unit;
the disassembly of the plurality of hoisting masts: the step of dumping the plurality of the hoisting masts one by one until all the hoisting masts are completely dumped comprises the following steps;
dumping the plurality of peripheral lifting masts one by one;
dumping the plurality of intermediate hoisting masts one by one;
and dumping the central hoisting masts one by one.
Optionally, said "disassembly of multiple hoisting masts: the step of dumping the plurality of hoisting masts one by one until all the masts are completely dumped comprises the following steps:
disassembly of a single lifting mast: and rotating the lower end of the hoisting mast for multiple times to enable the hoisting mast to gradually incline until the hoisting mast is laid down.
Optionally, said "disassembly of a single hoisting mast: the step of rotating the lower end of the hoisting mast a plurality of times so that the hoisting mast is gradually inclined until laid down comprises:
and after at least one end of the cable rope connected with the upper end of the lifting mast is released in a certain length each time, rotating the lower end of the lifting mast to enable the lifting mast to incline, and repeating for multiple times until the lifting mast is laid down.
According to the technical scheme, a plurality of hoisting masts are arranged in the installation area, a plurality of hoisting masts arranged in an array mode are arranged in the installation area provided with a plurality of installation columns, and one installation column is located between two adjacent hoisting masts; then, taking the plurality of hoisting masts as a support, hoisting the plurality of net rack units for multiple times so as to hoist the plurality of net rack units to the plurality of corresponding mounting columns respectively for fixing; and finally, after the grid units are all installed and fixed, dumping the lifting masts one by one until all the lifting masts are completely dumped. Through the laying of the hoisting mast simplifies the hoisting process of the net rack unit, reduces the time required by net rack installation, improves the speed of net rack installation, and further improves the construction efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a rack mounting method provided by the present invention;
FIG. 2 is a structural view of a central rack unit spliced in an installation area in the rack installation method provided by the present invention;
fig. 3 is a schematic structural view of the assembly of a plurality of grid units in the installation area in the grid installation method provided by the present invention;
fig. 4 is a schematic structural view of starting to hoist in an installation area in the installation method of the grid frame provided by the present invention;
fig. 5 is a schematic structural view of the disassembled hoisting mast in the installation area in the installation method of the net rack provided by the invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | |
300 | Wind rope |
| 200 | |
400 | |
| 210 | |
410 | Rod piece |
| 220 | |
500 | Mounting post |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the existing building process, common construction methods of steel structure net racks include an overhead splicing method and an overhead sliding method, wherein the overhead splicing method is used for splicing and assembling at high altitude, the consumption of required splicing supports is large, and high-altitude operation is more, while the overhead sliding method reduces the danger of high-altitude operation, does not need large-scale hoisting and mounting equipment, but has complex process, long consumed time and low construction efficiency.
In view of this, the invention provides a grid mounting method, which simplifies the hoisting process of the grid unit through the arrangement of the hoisting masts, reduces the time required by grid mounting, improves the grid mounting speed, and further improves the construction efficiency. Fig. 1 is a schematic flow chart of an embodiment of a rack mounting method provided by the present invention; FIG. 2 is a structural intent of a central rack unit spliced within an installation area in the rack installation method provided by the present invention; fig. 3 is a schematic structural view of the assembly of a plurality of grid units in the installation area in the grid installation method provided by the present invention; fig. 4 is a schematic structural view of starting to hoist in an installation area in the installation method of the grid frame provided by the present invention; fig. 5 is a schematic structural diagram of the hoisting mast in the installation area in the method for hoisting the net rack provided by the invention after being disassembled.
As shown in fig. 1, the grid mounting method comprises the following steps:
step S10, laying of a plurality of lifting masts 100: arranging a plurality of lifting masts 100 arranged in an array in an installation area provided with a plurality of installation columns 500, wherein one installation column 500 is positioned between two adjacent lifting masts 100;
specifically, referring to fig. 2 to 4, during the laying process of the hoisting mast 100, the lower ends of a plurality of the mounting posts 500 are driven into the ground, and the plurality of the mounting posts 500 are arranged along an array; a plurality of the lifting masts 100 are arranged in an array, and one mounting post 500 is located between two lifting masts 100. In addition, a plurality of the lifting masts 100 are sequentially connected to a guy rope 300, two ends of the guy rope 300 are fixed to a furling device, each lifting mast 100 further comprises a lifting assembly 200, each lifting assembly 200 comprises a lifting pulley block 220 and a sling rope 210, the lifting pulley block 220 is installed at the upper end of the lifting mast 100, the sling rope 210 is connected with the lifting pulley block 220 in a matched manner, one end of the sling rope 210 is used for being connected with the net rack unit 400, and the other end of the sling rope 210 is used for being connected to the furling device.
It should be noted that the present application is not limited to the type of the winding device, as long as the winding device can tension the cable rope 300 and loosen the cable rope 300, and in this embodiment, the winding device is configured as an electric winching device.
Step S20, hoisting of the plurality of rack units 400: a plurality of the net rack units 400 are respectively hoisted to be fixed with a plurality of corresponding mounting columns 500 for a plurality of times by taking a plurality of the hoisting masts 100 as a bracket;
step S30, disassembling the plurality of lifting masts 100: and dumping a plurality of the hoisting masts 100 one by one until all the masts are completely dumped.
In the technical scheme of the invention, firstly, a plurality of hoisting masts 100 are arranged in the installation area, and a plurality of hoisting masts 100 arranged in an array are arranged in the installation area provided with a plurality of installation columns 500, wherein one installation column 500 is positioned between two adjacent hoisting masts 100; then, the plurality of hoisting masts 100 are taken as a support, and the plurality of grid units 400 are hoisted for multiple times, so that the plurality of grid units 400 are respectively hoisted to the plurality of corresponding mounting columns 500 for fixing; finally, after the plurality of net rack units 400 are all installed and fixed, the plurality of hoisting masts 100 are dumped one by one until all the hoisting masts are dumped. The hoisting process of the net rack unit 400 is simplified by laying the hoisting mast 100, the time required for installing the net rack is reduced, the speed of installing the net rack is increased, and further the construction efficiency is improved.
It should be noted that the plurality of rack units 400 include a central rack unit, an intermediate rack unit, and a peripheral rack unit, and the central rack unit, the intermediate rack unit, and the peripheral rack unit are assembled to form a rack.
Specifically, step S20 includes:
step S201, fixing the central grid unit to a plurality of corresponding mounting posts 500;
step S202, fixing the intermediate rack unit to the corresponding plurality of mounting posts 500;
step S203 fixes the peripheral grid unit to the corresponding plurality of mounting posts 500.
It is a plurality of to hoist during the rack unit 400, hoist earlier central rack unit will central rack unit is fixed back with a plurality of erection columns 500 that correspond, hoist after that middle rack unit will middle rack unit is fixed with a plurality of erection columns 500 that correspond, and makes middle rack unit with central rack unit splices, hoists at last periphery rack unit will periphery rack unit is fixed with a plurality of erection columns 500 that correspond, and makes periphery rack unit with middle rack unit splices. Through the outside hoist and mount in proper order in center rack unit middle rack unit with periphery rack unit, so that center rack unit middle rack unit with what periphery rack unit assembled more simple and convenient.
Specifically, step S20 further includes:
and step S21, hoisting the corresponding rack unit 400 to the corresponding mounting posts 500 for fixing at a time.
The rack includes a plurality of rack units 400, and is a plurality of in the hoist and mount during rack unit 400, with every rack unit 400 corresponds lift mast 100 as the support, make its hoist and mount to with corresponding a plurality of erection column 500 is fixed, hoist and mount one at every turn rack unit 400 is in order to accomplish a plurality ofly through hoist and mount many times rack unit 400's hoist and mount to the concatenation forms the rack.
Further, step S21 includes:
step S211, assembling the grid unit 400: assembling a plurality of rods 410 in an assembling area provided with a plurality of mounting posts 500 and a plurality of lifting masts 100 to obtain a grid unit 400, wherein the lifting masts 100 and the mounting posts 500 are positioned in meshes of the grid unit 400;
step S212, the rack unit 400 lifts: pulling the net rack unit 400 upwards to a first preset height by taking the upper end of the lifting mast 100 as a fulcrum;
assembling a plurality of rods 410 to form the grid unit 400, wherein the lifting masts 100 and the mounting posts 500 are positioned in the meshes of the grid unit 400; the range value of the first preset height is set to be higher than the numerical value of the upper end of the mounting column 500, the numerical value is 190-200 mm, the height of the first preset height is not limited in the application, the height is higher than the height of the mounting column 500, and the height is determined by an operator according to different mounting conditions.
Step S213, the rack unit 400 is positioned: rotating the lower end of the lifting mast 100, lowering the height of the upper end of the lifting mast 100, and dropping the rack unit 400 to a set position;
step S214, fixing the rack unit 400: the rack unit 400 is fixed to the corresponding mounting posts 500.
The plurality of rods 410 are assembled to form the grid unit 400, and the lifting mast 100 and the mounting posts 500 are positioned in the meshes of the grid unit 400; then, the net rack unit 400 is pulled upwards to a first preset height by taking the upper end of the lifting mast 100 as a fulcrum, and the lifting mast 100 plays a guiding role at the moment, so that the shaking amplitude of the net rack unit 400 in the lifting process is reduced; then, the lower end of the lifting mast 100 is rotated, the height of the upper end of the lifting mast 100 is reduced, the net rack unit 400 is dropped to a set position, and finally, the net rack unit 400 is fixed with the plurality of mounting columns 500; through the switching of the hoisting mast 100, the process of hoisting the net rack unit 400 is simplified, the time consumed by hoisting the net rack unit 400 is reduced, and the hoisting efficiency is improved.
Further, step S213 includes:
step S2131, loosening at least one end of the guy rope 300 connecting the upper ends of the plurality of hoisting masts 100, rotating the lower end of the hoisting mast 100, and lowering the height of the upper end of the hoisting mast 100;
step S2132 of pulling at least two adjusting ropes located on two opposite sides of the rack unit 400, and adjusting the position of the rack unit 400 on the horizontal plane to adjust the rack unit 400 to a set position.
When the net rack unit 400 is lifted, the upper end of the lifting mast 100 is a fulcrum, and one end of the cable rope 300 on at least one side is loosened through the furling device, so that the restraint of the lifting mast 100 is loosened, the lower end of the lifting mast 100 is pushed, the lifting mast 100 rotates close to the ground, the lifting mast 100 inclines, the height of the upper end of the lifting mast 100 relative to the ground becomes lower, and the height of the upper end of the lifting mast 100 can be reduced. The peripheral side of the net rack unit 400 is provided with a plurality of adjusting ropes, one of the two adjusting ropes arranged oppositely is loosened, and the other adjusting rope is tightened, so that the net rack unit 400 can move towards the direction close to the other adjusting rope, and the close direction is the same as the extending direction of the other adjusting rope; in the adjusting process, the suspension cable 210 for lifting the grid unit 400 also needs to be adjusted correspondingly, and the adjustment is performed by an operator according to different construction conditions, and is not limited in the process, so that the position of the grid unit 400 on the horizontal plane can be adjusted, and the grid unit 400 is adjusted to a set position; thus, the position adjustment of the net rack unit 400 is simplified through the switching of the hoisting mast 100, the installation time is saved, and the installation precision is improved.
Further, after step S2132, the method further includes:
step S21321 is to loosen the connection of the suspension ropes 210 connected to the rack unit 400 with the upper end of the lifting mast 100 as a fulcrum, and to lower the height of the rack so as to be in contact with the upper ends of the plurality of mounting posts 500.
After the net rack unit 400 is adjusted to a predetermined position, the plurality of hanging rope ropes 210 are loosened to put down the net rack unit 400, so that the net rack unit 400 abuts against the upper ends of the plurality of mounting posts 500.
Further, before step S212, the method further includes:
the net rack unit 400 is pulled upward to a checking height with the upper end of the lifting mast 100 as a fulcrum, and the checking height is lower than the upper end of the mounting column 500.
Firstly, the net rack unit 400 is hoisted to a first preset height, the range value of the first preset height is 190-210 mm, whether the net rack unit 400 can be hoisted after being assembled is checked, and the safety performance of the hoisting process is improved.
As shown in fig. 5, in the present embodiment, the plurality of rack units 400 includes a central rack unit, an intermediate rack unit, and a peripheral rack unit; the plurality of hoisting masts 100 include a plurality of central hoisting masts arranged corresponding to the central grid unit, a plurality of middle hoisting masts arranged corresponding to the middle grid unit, and a plurality of peripheral hoisting masts arranged corresponding to the peripheral grid unit;
said step S30 includes;
step S31, dumping the peripheral hoisting masts one by one;
step S32, dumping the intermediate hoisting masts one by one;
and step S33, dumping the central hoisting masts one by one.
The plurality of hoisting masts 100 include a plurality of central hoisting masts, a plurality of intermediate hoisting masts and a plurality of peripheral hoisting masts, and after the central grid unit, the intermediate grid unit and the peripheral grid unit are hoisted, the plurality of hoisting masts 100 for hoisting need to be removed. When the plurality of hoisting masts 100 are dismounted, the plurality of peripheral hoisting masts are dismounted one by one from outside to inside, then the plurality of middle hoisting masts are dismounted, and finally the plurality of central hoisting masts are dismounted.
Specifically, step S30 includes:
step S301, disassembling the single lifting mast 100: the lower end of the lifting mast 100 is rotated a plurality of times so that the lifting mast 100 is gradually tilted until laid down.
One end of the guy rope 300 on at least one side is loosened through the furling device, so that the constraint of the hoisting mast 100 is loosened, the lower end of the hoisting mast 100 is pushed, the hoisting mast 100 rotates towards the position close to the ground, the hoisting mast 100 is inclined, the height of the upper end of the hoisting mast 100 relative to the ground is reduced, and the height of the upper end of the hoisting mast 100 can be reduced. The removal of a single lifting mast is accomplished by rotating the lower end of the lifting mast 100 multiple times so that the lifting mast 100 is gradually tilted until laid down.
Further, step S301 includes:
step S3011, after at least one end of the guy rope 300 connected to the upper end of the lifting mast 100 is paid out at a certain length each time, the lower end of the lifting mast 100 is rotated to tilt the lifting mast 100, and the process is repeated for a plurality of times until the lifting mast 100 is laid down.
When the hoisting mast 100 is disassembled, one end of the wind cable 300 on at least one side is loosened through the furling device, so that the constraint of the hoisting mast 100 is loosened, the lower end of the hoisting mast 100 is pushed, the hoisting mast 100 rotates towards the position close to the ground, the hoisting mast 100 is inclined, the height of the upper end of the hoisting mast 100 relative to the ground is reduced, the height of the upper end of the hoisting mast 100 can be reduced, and the operation is repeated for many times until the hoisting mast 100 is laid down. Loosening one end of the guy rope 300, wherein the loosened length is 190-210 mm, and loosening for a certain time, wherein the time is adjusted by an operator according to different installation conditions without limitation; so can relax when the guy rope 300, look over simultaneously the condition of rack unit 400 activity avoids appearing the condition of readjusting repeatedly, reduces technology operation, save time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A rack mounting method, the rack comprising a plurality of rack units, the rack mounting method comprising the steps of:
and (3) laying a plurality of hoisting masts: arranging a plurality of lifting masts arranged along an array in an installation area provided with a plurality of installation columns, wherein one installation column is positioned between two adjacent lifting masts;
hoisting a plurality of net rack units: a plurality of net rack units are respectively hoisted to be fixed with a plurality of corresponding mounting columns for a plurality of times by taking a plurality of hoisting masts as a bracket;
dismantling of multiple hoisting masts: and dumping the plurality of hoisting masts one by one until all the masts are completely dumped.
2. The rack mounting method according to claim 1, wherein the plurality of rack units include a center rack unit, an intermediate rack unit, and an outer peripheral rack unit;
hoisting the plurality of net rack units: the step of taking a plurality of the hanging masts as a bracket and respectively hoisting a plurality of the net rack units to be fixed with a plurality of corresponding mounting columns for a plurality of times comprises the following steps:
fixing the central net rack unit with a plurality of corresponding mounting columns;
fixing the intermediate net rack unit with a plurality of corresponding mounting columns;
and fixing the peripheral net rack unit with a plurality of corresponding mounting columns.
3. The rack mounting method according to claim 1, wherein the "lifting of the plurality of rack units: the step of taking a plurality of the hanging masts as a bracket and respectively hoisting a plurality of the net rack units to be fixed with a plurality of corresponding mounting columns for a plurality of times comprises the following steps:
and hoisting the corresponding net rack unit to be fixed with the corresponding mounting columns at a single time.
4. The rack mounting method according to claim 3, wherein the step of "lifting the corresponding rack unit to be fixed to the corresponding mounting posts at a single time" comprises:
assembling the net rack units: assembling a plurality of rod pieces in an assembling area provided with a plurality of mounting columns and a plurality of hoisting masts to obtain a net rack unit, wherein the hoisting masts and the mounting columns are positioned in meshes of the net rack unit;
hoisting the net rack unit: pulling the net rack unit upwards to a first preset height by taking the upper end of the lifting mast as a fulcrum;
the net rack unit is located: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and then dropping the net rack unit to a set position;
fixing the net rack unit: and fixing the net rack unit with the corresponding mounting columns.
5. The rack mounting method according to claim 4, wherein the "rack unit seating: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the net rack unit to a set position comprises the following steps:
loosening at least one end of a guy rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, and reducing the height of the upper ends of the lifting masts;
the pulling is located two at least regulation ropes of the relative both sides of rack unit adjust the position of rack unit at the horizontal plane, with the rack unit is adjusted to the settlement position.
6. The rack mounting method according to claim 5, further comprising, after the step of pulling at least two adjusting cords located at opposite sides of the rack unit to adjust the position of the horizontal plane of the rack unit to adjust the rack unit to a set position:
loosen the connection with the lift mast upper end is the fulcrum and connects in the hoist rope of rack unit, reduces the height of rack, in order to with a plurality of the upper end butt of erection column.
7. The rack mounting method according to claim 4, wherein the "rack unit hoisting: the method comprises the following steps of taking the upper end of the lifting mast as a fulcrum, and pulling the net rack unit upwards to a first preset height:
and taking the upper end of the lifting mast as a fulcrum, and pulling the net rack unit upwards to a detection height which is lower than the upper end of the mounting column.
8. The rack mounting method according to claim 1, wherein the plurality of rack units include a central rack unit, an intermediate rack unit, and a peripheral rack unit;
the plurality of hoisting masts comprise a plurality of central hoisting masts arranged corresponding to the central grid structure unit, a plurality of middle hoisting masts arranged corresponding to the middle grid structure unit and a plurality of peripheral hoisting masts arranged corresponding to the peripheral grid structure unit;
the "disassembly of the plurality of hoisting masts: the step of dumping the plurality of the hoisting masts one by one until all the hoisting masts are completely dumped comprises the following steps;
dumping the plurality of peripheral lifting masts one by one;
dumping the plurality of intermediate hoisting masts one by one;
and dumping the central hoisting masts one by one.
9. The rack installation method of claim 1, wherein said "disassembly of a plurality of lifting masts: the step of dumping the plurality of hoisting masts one by one until all the masts are completely dumped comprises the following steps:
disassembly of a single lifting mast: and rotating the lower end of the hoisting mast for multiple times to enable the hoisting mast to gradually incline until the hoisting mast is laid down.
10. The rack installation method of claim 9, wherein the "disassembly of a single lifting mast: the step of rotating the lower end of the hoisting mast a plurality of times so that the hoisting mast is gradually inclined until laid down comprises:
and after at least one end of the cable rope connected with the upper end of the lifting mast is released in a certain length each time, rotating the lower end of the lifting mast to enable the lifting mast to incline, and repeating for multiple times until the lifting mast is laid down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262388.7A CN114575601A (en) | 2022-03-16 | 2022-03-16 | Method for installing net rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262388.7A CN114575601A (en) | 2022-03-16 | 2022-03-16 | Method for installing net rack |
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| CN114575601A true CN114575601A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210262388.7A Pending CN114575601A (en) | 2022-03-16 | 2022-03-16 | Method for installing net rack |
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Citations (5)
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|---|---|---|---|---|
| CN103225408A (en) * | 2013-04-18 | 2013-07-31 | 成军 | Construction method for long-span net rack multiple-mast independent type integral lifting |
| CN109650272A (en) * | 2018-12-27 | 2019-04-19 | 首钢水城钢铁(集团)赛德建设有限公司 | A kind of mast hoisting and hanging device |
| CN111980165A (en) * | 2020-08-07 | 2020-11-24 | 中建八局第二建设有限公司 | Large-span net rack external-expanding splicing integral jacking construction method |
| CN113006498A (en) * | 2021-02-25 | 2021-06-22 | 中铁九局集团第四工程有限公司 | Large-span spherical roof truss pull rod lifting construction method |
| WO2021120335A1 (en) * | 2019-12-18 | 2021-06-24 | 中建科工集团有限公司 | Cumulative lifting method for large-span unequal-height bidirectional curved surface grid |
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2022
- 2022-03-16 CN CN202210262388.7A patent/CN114575601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225408A (en) * | 2013-04-18 | 2013-07-31 | 成军 | Construction method for long-span net rack multiple-mast independent type integral lifting |
| CN109650272A (en) * | 2018-12-27 | 2019-04-19 | 首钢水城钢铁(集团)赛德建设有限公司 | A kind of mast hoisting and hanging device |
| WO2021120335A1 (en) * | 2019-12-18 | 2021-06-24 | 中建科工集团有限公司 | Cumulative lifting method for large-span unequal-height bidirectional curved surface grid |
| CN111980165A (en) * | 2020-08-07 | 2020-11-24 | 中建八局第二建设有限公司 | Large-span net rack external-expanding splicing integral jacking construction method |
| CN113006498A (en) * | 2021-02-25 | 2021-06-22 | 中铁九局集团第四工程有限公司 | Large-span spherical roof truss pull rod lifting construction method |
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