CN114604732A - Method for hoisting net rack unit - Google Patents

Method for hoisting net rack unit Download PDF

Info

Publication number
CN114604732A
CN114604732A CN202210262387.2A CN202210262387A CN114604732A CN 114604732 A CN114604732 A CN 114604732A CN 202210262387 A CN202210262387 A CN 202210262387A CN 114604732 A CN114604732 A CN 114604732A
Authority
CN
China
Prior art keywords
rack unit
hoisting
net rack
mast
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210262387.2A
Other languages
Chinese (zh)
Inventor
蒋晓甲
杨炳昱
樊学银
刘少华
王文学
魏嘉豪
孙立功
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
No1 Engineering Corp Ltd Of Cr20g
Original Assignee
No1 Engineering Corp Ltd Of Cr20g
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by No1 Engineering Corp Ltd Of Cr20g filed Critical No1 Engineering Corp Ltd Of Cr20g
Priority to CN202210262387.2A priority Critical patent/CN114604732A/en
Publication of CN114604732A publication Critical patent/CN114604732A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • 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
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • 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
    • 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
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a method for hoisting a net rack unit, which comprises the following steps: 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: pulling the net rack unit upwards to a first preset height by taking the upper end of the hoisting mast as a fulcrum; at the moment, the hoisting mast plays a role in guiding, and the shaking amplitude of the net rack unit in the hoisting process is reduced; the net rack unit is in place: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and lowering the net rack unit to a set position; fixing the net rack unit: and fixing the net rack unit with a plurality of mounting columns. Through the switching of lifting the mast, simplify the process of rack unit hoist and mount, reduce the time that rack unit hoist and mount consumed, improve hoist and mount efficiency.

Description

Method for hoisting net rack unit
Technical Field
The invention relates to the technical field of steel roof truss hoisting, in particular to a hoisting method of a net rack unit.
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, the overhead splicing method is used for carrying out bottling and assembling at high altitude, the consumption of required splicing supports is large, high-altitude operation is more, although the overhead sliding method reduces the danger of the high-altitude operation, large-scale hoisting and mounting equipment is not needed, the process is complex, and the consumed time is long.
Disclosure of Invention
The invention mainly aims to provide a net rack unit hoisting method, and aims to solve the problems of complex operation and long time consumption of the existing net rack hoisting method.
In order to achieve the purpose, the invention provides a method for hoisting a net rack unit, which comprises the following steps:
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 preset height by taking the upper end of the hoisting mast as a fulcrum;
the net rack unit is in place: 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 mounting columns.
Optionally, the "rack unit is in place: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the grid unit to a set position "further comprises:
rotating the lower end of the hoisting mast to reduce the height of the upper end of the hoisting mast;
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.
Optionally, 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 further includes:
loosening the sling rope which takes the upper end of the hoisting mast as a fulcrum and is connected to the net rack unit, and reducing the height of the net rack unit so as to be abutted against the upper ends of the mounting columns.
Optionally, the "rack unit is in place: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the grid unit to a set position "further comprises:
and loosening at least one end of a cable rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, reducing the height of the upper ends of the lifting masts, and then dropping the net rack unit to a set position.
Optionally, the "grid unit assembly: assembling a plurality of rods to obtain a grid unit, wherein the steps of positioning the hoisting masts and the mounting posts in meshes of the grid unit further comprise:
and assembling a plurality of rods around the circumference of each mounting post and each lifting mast to form a grid unit, wherein the lifting masts and the mounting posts are positioned in meshes of the grid unit.
Optionally, a plurality of the rod pieces form mounting points around the circumferentially assembled lower ends of the mounting posts.
Optionally, the "grid unit assembly: assembling a plurality of rods to obtain a grid unit, wherein the steps of positioning the hoisting masts and the mounting posts in meshes of the grid unit further comprise:
assembling part of the rod pieces around the hoisting mast and the mounting column which are positioned in the center to obtain a primary assembled net rack unit;
and then the rest rod pieces are spliced around the peripheral side of the initial splicing net rack unit to form a net rack unit.
Optionally, the step of "loosening at least one end of the guy rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, lowering the height of the upper ends of the lifting masts, and dropping the rack unit to a set position" further includes:
and discharging at least one end of the cable rope connecting the upper ends of the plurality of hoisting masts at preset length intervals.
Optionally, 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 preset height:
and taking the upper end of the lifting mast as a fulcrum, and pulling the net rack unit upwards to a checking height, wherein the checking height is lower than the upper end of the mounting column.
Optionally, the "rack unit hoisting: the step of using the upper end of the hoisting mast as a fulcrum to pull the net rack unit upwards to a preset height comprises the following steps:
and connecting one end of a sling rope taking the upper end of the lifting mast as a fulcrum to the lower end of the net rack unit.
According to the technical scheme, a plurality of rod pieces are assembled in an assembling area provided with a plurality of mounting columns and a plurality of lifting masts to form the grid unit, and the lifting masts and the mounting columns are located in meshes of the grid unit; then, the net rack unit is pulled upwards to a preset height by taking the upper end of the lifting mast as a fulcrum, the lifting mast plays a role in guiding, and the shaking amplitude of the net rack unit in the lifting process is reduced; rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, dropping the net rack unit to a set position, and fixing the net rack unit and the mounting columns; through the switching of the hoisting mast, the process of hoisting the net rack unit is simplified, the time consumed by hoisting the net rack unit is reduced, and the hoisting efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of 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 method for hoisting a rack unit according to the present invention;
fig. 2 is a structural intention of the initial assembled rack unit spliced in the installation area in the hoisting method of the rack unit provided by the invention;
fig. 3 is a schematic structural view of the net rack unit assembly completed in the installation area in the hoisting method of the net rack unit provided by the invention;
fig. 4 is a schematic structural diagram of starting to hoist in the installation area in the hoisting method of the rack unit provided by the invention.
The reference numbers illustrate:
Figure BDA0003550494240000031
Figure BDA0003550494240000041
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 clearly and completely described below 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope 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 of "first", "second", etc. in an embodiment 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 implicitly indicating 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, the overhead splicing method is used for bottling and assembling at high altitude, the number of required splicing supports is large, high-altitude operation is more, although the overhead sliding method reduces the danger of the high-altitude operation, large-scale hoisting and mounting equipment is not needed, the process is complex, and the consumed time is long.
In view of this, the invention provides a method for hoisting a grid unit, which has simple operation steps, short time consumption and high hoisting efficiency, and fig. 1 is a schematic flow chart of an embodiment of the method for hoisting the grid unit provided by the invention; fig. 2 is a structural intention of the initial assembled rack unit spliced in the installation area in the hoisting method of the rack unit provided by the invention; fig. 3 is a schematic structural view of the net rack unit assembly completed in the installation area in the hoisting method of the net rack unit provided by the invention; fig. 4 is a schematic structural diagram of starting to hoist in the installation area in the hoisting method of the rack unit provided by the invention.
Referring to fig. 1, the method for hoisting the grid unit includes the following steps:
s10, assembling the net rack units: assembling a plurality of rods 420 in an assembling area provided with a plurality of mounting posts 500 and a plurality of lifting masts 100 to obtain a net rack unit 400, wherein the lifting masts 100 and the mounting posts 500 are positioned in meshes of the net rack unit 400;
specifically, referring to fig. 2 to 4, the lifting mast 100 and the mounting post 500 need to be arranged in advance; in the laying process of the hoisting mast 100, the lower ends of the plurality of mounting columns 500 are driven into the ground, and the plurality of mounting columns 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 hoisting masts 100 are sequentially connected to a guy rope 300, two ends of the guy rope 300 are fixed to a winding device, and each of the hoisting masts 100 further comprises a hoisting assembly 200, the hoisting assembly 200 comprises a hoisting pulley block 220 and a sling rope 210, the hoisting pulley block 220 is mounted at the upper end of the hoisting mast 100, the sling rope 210 is connected with the hoisting pulley block 220 in a matched manner, one end of the sling rope 210 is used for connecting the net rack unit 400, and the other end of the sling rope 210 is used for connecting to the winding 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.
S20, hoisting the net rack unit: pulling the net rack unit 400 upwards to a preset height by taking the upper end of the lifting mast 100 as a fulcrum;
in this embodiment, the range value of the preset height is set to be higher than the value of the upper end of the mounting post 500, the value is 190 mm-200 mm, the preset height is not limited in this application, and the preset height may be higher than the height of the mounting post 500, specifically determined by an operator according to different mounting conditions.
S30, positioning the net rack unit: 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;
s40, fixing the net rack unit: the rack unit 400 is fixed to the plurality of mounting posts 500.
In the technical scheme of the invention, in an assembly area provided with a plurality of mounting posts 500 and a plurality of lifting masts 100, a plurality of rods 420 are assembled to form the grid unit 400, and the lifting masts 100 and the mounting posts 500 are positioned in meshes of the grid unit 400; then, the net rack unit 400 is pulled upwards to a 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.
Specifically, the step S10 further includes:
s11, assembling a plurality of rods 420 around the circumference of each mounting post 500 and each lifting mast 100 to form a grid unit 400, wherein the lifting masts 100 and the mounting posts 500 are located in the meshes of the grid unit 400.
In this embodiment, the rack unit 400 is formed by assembling a plurality of the rods 420 together, and the rack unit 400 is formed by assembling a plurality of the rods 420 around the circumference of each of the mounting posts 500 and each of the lifting masts 100 such that the lifting masts 100 and the mounting posts 500 are positioned in the meshes of the rack unit 400.
It should be noted that the mounting points 410 are used to be connected to the upper ends of the mounting posts 500 to fix the rack unit 400 to the plurality of mounting posts 500, and the plurality of bars 420 form the mounting points 410 around the lower ends of the mounting posts 500, which are assembled around the circumferential sides, so that the mounting points 410 are disposed close to the mounting posts, thereby reducing the time and process required for the subsequent step of adjusting the position of the rack unit 400.
In order to make the assembling process orderly, in this embodiment, the step S10 further includes:
s101, assembling part of the rod pieces 420 around the lifting mast 100 and the mounting column 500 which are positioned in the center to obtain a primary assembled net rack unit;
s102, the remaining rod members 420 are assembled around the circumferential sides of the initial grid assembly unit to form the grid unit 400.
The hoisting mast 100 and the mounting column 500 which are positioned in the center are assembled to form the initial assembled grid unit, and the initial assembled grid unit is assembled on the peripheral sides and is assembled in a diffused manner towards the periphery, so that more assembling spaces can be provided, and more operators can be assembled from the middle towards the periphery; therefore, the assembly is orderly, the efficiency is improved, and the time is saved.
Specifically, the step S30 further includes:
s31, rotating the lower end of the lifting mast 100, and reducing the height of the upper end of the lifting mast 100;
s32, pulling at least two adjusting ropes positioned at two opposite sides of the net rack unit 400, and adjusting the position of the net rack unit 400 on the horizontal plane so as to adjust the net rack unit 400 to a set position.
In this embodiment, a plurality of the adjusting ropes are disposed on the circumferential side of the net rack unit 400, and one of the two adjusting ropes disposed opposite to each other is loosened, and the other adjusting rope is tightened, so that the net rack unit 400 can move toward the direction close to the other adjusting rope, and the direction close to the other adjusting rope 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.
It should be noted that, in this embodiment, the steps S31 and S32 may be repeated several times in sequence, so that the rack unit 400 is adjusted to a set position, such that the mounting point 410 is opposite to the upper end of the corresponding mounting post 500.
More specifically, the step S30 further includes:
s301, at least one end of the guy rope 300 connecting the upper ends of the lifting masts 100 is loosened, the lower ends of the lifting masts 100 are rotated, the height of the upper ends of the lifting masts 100 is lowered, and the rack unit 400 is dropped 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 step S32 is followed by:
s33, loosening the sling rope 210 connected to the rack unit 400 with the upper end of the lifting mast 100 as a fulcrum, and lowering the height of the rack unit 400 to abut against the upper ends of the plurality of mounting posts 500.
After net rack unit 400 adjusts to the settlement position, the settlement position be the mounting point 410 just right to the upper end of erection column 500, it is a plurality of to loosen this moment hoist rope 210 will net rack unit 400 is put down, and is a plurality of the upper end of erection column 500 with a plurality of that correspond the mounting point 410 butt makes net rack unit 400 is with a plurality of the upper end butt of erection column 500 is so, adjusts simply, improves the installation accuracy.
In order to reduce the time consumed for adjusting the rack unit 400, the step S301 further includes:
s3011, at least one end of a cable rope 300 connected with the upper ends of the hoisting masts 100 is released at preset time intervals in preset length.
In the embodiment, one end of the guy rope 300 is loosened, the loosened length is 190-210 mm, and the guy rope is loosened for a preset time, wherein the preset time is adjusted by an operator according to different installation conditions, and is not limited herein; 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.
In this embodiment, after the grid unit 400 is completely assembled, the step S20 further includes:
and S21, taking the upper end of the lifting mast 100 as a fulcrum, and pulling the net rack unit 400 upwards to a checking height, wherein the checking height is lower than the upper end of the mounting column 500.
Firstly, net rack unit 400 is hoisted to the inspection height, the inspection height range value is 190mm ~ 210mm, is used for inspecting whether net rack unit 400 can be hoisted after assembling, after guaranteeing to hoist, carries out subsequent operation again, improves the security performance of hoist and mount process.
In this embodiment, the step S20 includes:
s22, one end of a hoist rope 210 that has the upper end of the hoisting mast 100 as a fulcrum is connected to the lower end of the rack unit 400.
One end of the sling rope 210, which takes the upper end of the hoisting mast 100 as a fulcrum, is connected to the lower end of the net rack unit 400, and the net rack unit 400 has a certain height, so that the hoisting height of the net rack unit 400 can be reduced, and the lower end of the net rack unit 400 is hoisted, thereby improving the stability of the hoisting process and reducing the shaking of the net rack unit 400.
It should be noted that the present invention is not limited to the connection manner between the mounting point 410 and the upper end of the mounting post 500, and the mounting point 410 and the upper end of the mounting post 500 may be fixedly mounted, and in this embodiment, the mounting point 410 and the upper end of the mounting post 500 are fixedly connected by welding.
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 method for hoisting a net rack unit is characterized by comprising the following steps:
assembling the net rack units: assembling a plurality of rod pieces in an assembling area provided with a plurality of mounting posts and a plurality of hoisting masts to obtain a net rack unit, wherein the hoisting masts and the mounting posts are positioned in meshes of the net rack unit;
hoisting the net rack unit: pulling the net rack unit upwards to a preset height by taking the upper end of the hoisting mast as a fulcrum;
the net rack unit is in place: 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 mounting columns.
2. The method for hoisting the rack unit according to claim 1, wherein the "rack unit is in place: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the grid unit to a set position "further comprises:
rotating the lower end of the hoisting mast to reduce the height of the upper end of the hoisting mast;
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.
3. The method for hoisting the net rack unit according to claim 2, wherein the step of pulling at least two adjusting ropes located at two opposite sides of the net rack unit to adjust the position of the horizontal plane of the net rack unit to adjust the net rack unit to a set position further comprises the following steps:
loosening the sling rope which takes the upper end of the hoisting mast as a fulcrum and is connected to the net rack unit, and reducing the height of the net rack unit so as to be abutted against the upper ends of the mounting columns.
4. The method for hoisting a rack unit according to claim 2, wherein the "rack unit is in place: rotating the lower end of the hoisting mast, reducing the height of the upper end of the hoisting mast, and falling the grid unit to a set position "further comprises:
and loosening at least one end of a cable rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, reducing the height of the upper ends of the lifting masts, and then dropping the net rack unit to a set position.
5. The method for hoisting the grid unit as claimed in claim 1, wherein the "grid unit assembling: assembling a plurality of rods to obtain a grid unit, wherein the steps of positioning the hoisting masts and the mounting posts in meshes of the grid unit further comprise:
and assembling a plurality of rods around the circumference of each mounting post and each lifting mast to form a grid unit, wherein the lifting masts and the mounting posts are positioned in meshes of the grid unit.
6. The method of lifting a rack unit of claim 5, wherein a plurality of the bars form mounting points around the circumferentially-assembled lower ends of the mounting posts.
7. The method for hoisting the grid unit as claimed in claim 1, wherein the "grid unit assembling: assembling a plurality of rods to obtain a grid unit, wherein the steps of positioning the hoisting masts and the mounting posts in meshes of the grid unit further comprise:
assembling part of the rod pieces around the hoisting mast and the mounting column which are positioned in the center to obtain a primary assembled net rack unit;
and then the rest rod pieces are spliced around the peripheral side of the initial splicing net rack unit to form a net rack unit.
8. The method for erecting a grid unit according to claim 4, wherein the step of loosening at least one end of a cable rope connecting the upper ends of the plurality of lifting masts, rotating the lower ends of the lifting masts, lowering the height of the upper ends of the lifting masts, and dropping the grid unit to a set position further comprises:
and discharging at least one end of the cable rope connecting the upper ends of the plurality of hoisting masts at preset length intervals.
9. The method for hoisting the rack unit according to claim 1, 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 preset height:
and taking the upper end of the hoisting mast as a fulcrum, and pulling the net rack unit upwards to an inspection height, wherein the inspection height is lower than the upper end of the mounting column.
10. The method for hoisting the rack unit according to claim 1, wherein the "rack unit hoisting: the step of taking the upper end of the hoisting mast as a fulcrum and pulling the net rack unit upwards to a preset height comprises the following steps:
and connecting one end of a sling rope taking the upper end of the hoisting mast as a fulcrum to the lower end of the net rack unit.
CN202210262387.2A 2022-03-16 2022-03-16 Method for hoisting net rack unit Pending CN114604732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210262387.2A CN114604732A (en) 2022-03-16 2022-03-16 Method for hoisting net rack unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210262387.2A CN114604732A (en) 2022-03-16 2022-03-16 Method for hoisting net rack unit

Publications (1)

Publication Number Publication Date
CN114604732A true CN114604732A (en) 2022-06-10

Family

ID=81862946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210262387.2A Pending CN114604732A (en) 2022-03-16 2022-03-16 Method for hoisting net rack unit

Country Status (1)

Country Link
CN (1) CN114604732A (en)

Similar Documents

Publication Publication Date Title
CN109236012B (en) Method for hoisting power transmission line T-shaped guyed tower
AU2020348407A1 (en) Cable-supported large-span structure and construction method therefor
CN111794522A (en) Construction method of large-span high-altitude steel structure
CN114458001A (en) Portable hanging flower basket suspension that construction was used is decorated to outdoor vestibule in high altitude
CN114873497A (en) Vertical lifting installation device and method for variable-diameter unbalanced load equipment
CN111593666A (en) Bent cap hoop mounting platform and integral beam hoop mounting process
CN114604732A (en) Method for hoisting net rack unit
CN210419005U (en) Be used for rotary joint to install and remove assembled mechanism fast
CN217461536U (en) Large-span steel beam sliding jig frame
CN110512521A (en) The docking facilities and interconnection method of big segment steel truss girder
CN217149887U (en) Positioning and adjusting system for assembled circular pier
CN214755189U (en) Cable laying device suitable for trapezoidal crane span structure
CN114575601A (en) Method for installing net rack
CN110002354B (en) Hoisting system and hoisting method for heavy pipeline equipment in complex space
CN112694016A (en) Bridge crane steel wire rope installation auxiliary device and using method thereof
JP3297212B2 (en) Construction method of tower-like structure and supporting structure used for it
CN109458303B (en) Tower and wind generating set
CN110697564A (en) Hoisting device and hoisting method for precast concrete beam
CN115142728B (en) Installation method of prestressed cable tower tip structure
CN217437612U (en) Iron tower hoisting device
CN219906818U (en) Hoisting pulley device for flexible photovoltaic bracket construction and mounting structure thereof
CN220011847U (en) Steel reinforcement cage hoist mechanism
CN117386155A (en) Oblique steel column installation method
CN215828215U (en) Self-balancing large-span net rack lifting structure
CN216516801U (en) Lifting device for assembly of assembly type building

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination