CN112479009A - Integral lifting device for large-span planar truss steel roof and operation method thereof - Google Patents

Integral lifting device for large-span planar truss steel roof and operation method thereof Download PDF

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Publication number
CN112479009A
CN112479009A CN202110026697.XA CN202110026697A CN112479009A CN 112479009 A CN112479009 A CN 112479009A CN 202110026697 A CN202110026697 A CN 202110026697A CN 112479009 A CN112479009 A CN 112479009A
Authority
CN
China
Prior art keywords
lifting
steel roof
truss steel
hydraulic lifter
lifting device
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.)
Withdrawn
Application number
CN202110026697.XA
Other languages
Chinese (zh)
Inventor
唐金来
蒋凤昌
林网朋
郁俊
周桂香
黄光辉
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.)
Jincheng Group Co Ltd
Original Assignee
Jincheng Group Co Ltd
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 Jincheng Group Co Ltd filed Critical Jincheng Group Co Ltd
Priority to CN202110026697.XA priority Critical patent/CN112479009A/en
Publication of CN112479009A publication Critical patent/CN112479009A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/08—Driving gear incorporating fluid motors
    • 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
    • E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • 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
    • 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
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/14—Gymnasiums; Other sporting buildings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger

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

Abstract

The invention discloses an integral lifting device of a large-span planar truss steel roof, which comprises a truss steel roof component (1) and a lifting device (2) for lifting the truss steel roof component, wherein the lifting device comprises a base (201), a lifting support (202), a stabilizing connector (203), a lifting appliance (204), a steel strand (205), a supporting plate (206) and a hydraulic lifter (207), the lifting support is arranged on the base, the supporting plate is arranged at the top end of the lifting support, the hydraulic lifter is arranged on the supporting plate, one end of the steel strand is adaptively connected with the hydraulic lifter, the other end of the steel strand is adaptively connected with the lifting appliance, and the lifting appliance is adaptively connected with the truss steel roof component. According to the invention, after the truss steel roof member is assembled, the truss steel roof member is integrally lifted and installed through the lifting device, compared with the existing installation process, the installation speed is higher, and the high-altitude operation amount is greatly reduced.

Description

Integral lifting device for large-span planar truss steel roof and operation method thereof
Technical Field
The invention relates to the technical field of installation of large-span high-altitude steel structures, in particular to an integral lifting device for a plane truss steel roof member of a gymnasium.
Background
With the development of steel structure roof systems of gymnasiums, the plane truss steel roof member is widely applied due to reasonable stress. However, the installation method usually adopts high-altitude scattered and scattered loading, the cost of installation facilities for supporting the scaffold is high, the high-altitude operation amount is huge, and the construction period is long; if a sliding construction method is adopted, measures such as increasing a sliding track and the like are required, the economic benefit is not obvious, and the high-altitude operation amount is large.
Therefore, it is necessary for those skilled in the art to develop an integral lifting device for a large-span planar truss steel roof, so as to meet the requirements of reducing the overhead working capacity, significantly improving the construction progress, and reducing the construction cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an integral lifting device for a large-span planar truss steel roof.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides an integral hoisting device of large-span plane truss steel roof, includes truss steel roof component and is used for hoisting the hoisting device of truss steel roof component, wherein: the lifting device comprises a base, a lifting support, a stabilizing connector, a lifting appliance, a steel strand, a supporting plate and a hydraulic lifter, wherein the lifting support is arranged on the base, the supporting plate is arranged at the top end of the lifting support, the hydraulic lifter is arranged on the supporting plate, one end of the steel strand is adaptively connected with the hydraulic lifter, the other end of the steel strand is adaptively connected with the lifting appliance, and the lifting appliance is adaptively connected with the truss steel roof component;
the lifting bracket comprises at least two bracket units, and the stabilizing connector is fittingly arranged between the adjacent bracket units;
the stabilizing connector comprises a connecting rod and fixing seats positioned at two ends of the connecting rod, wherein the fixing seats are provided with V-shaped mounting grooves, and the V-shaped mounting grooves are in adaptive connection with edges and corners of the support units;
the hydraulic lifter comprises a hydraulic lifter body, an upper chuck arranged on the upper portion of the hydraulic lifter body, a lower chuck arranged on the lower side of the interior of the hydraulic lifter body and a hydraulic oil cylinder, one end of a steel strand penetrates through the hydraulic lifter, and the upper chuck and the lower chuck are connected with the steel strand in a matching mode.
Furthermore, the lifting supports are steel lattice columns, and the distance range between every two adjacent lifting supports is 16-20 m.
Further, stabilize the connector and be the shaped steel connecting piece, the cross-section of connecting rod is the rectangle, and the high range of cross-section is 150 ~ 200mm, and the cross-section width scope is 120 ~ 180mm, and the wall thickness scope is 3 ~ 5 mm.
Furthermore, the V-shaped mounting groove is connected with the corner of the bracket unit in a riveting or bolt fixing mode.
Further, the lifting appliance specifically adopts a bolt connection assembly with the bolt model number of M24-M28, and is further provided with an anti-loosening adjusting piece, and the anti-loosening adjusting piece is in adaptive connection with the end part of the steel strand.
Furthermore, the diameter range of the steel strand is 19.5-26.5 mm.
A method of operating the integral lift system for a long span planar truss steel roof as claimed in claim 1:
s1: installing lifting devices at a plurality of lifting points of the truss steel roof member, and lifting the truss steel roof member by a lifting appliance;
s2: correcting the stroke consistency of hydraulic oil cylinders of all the lifting devices, and controlling the stroke error between the hydraulic oil cylinders within the range of 0-1 mm;
s3: controlling the upper chuck to open through a hydraulic lifter, controlling the lower chuck to clamp the steel strand, and stabilizing the pressure for 5 s;
s4: driving a hydraulic oil cylinder to slowly lift the truss steel roof component upwards, controlling the lifting speed to be 0.01m/s, stabilizing the time pressure for 60s after the lifting stroke is 50mm, checking the tightness degree of the steel strand at each lifting point, and ensuring that all the steel strands are tightened by adjusting a loosening-preventing adjusting piece of a lifting appliance for the loosened steel strands;
s5: controlling an upper chuck to clamp the steel strand through a hydraulic lifter, stabilizing the pressure for 10s, then opening a lower chuck, driving a hydraulic oil cylinder to reset downwards quickly, and controlling the speed to be 0.1 m/s;
s6: and (5) circulating the operations S3-S5 until the truss steel roof members are synchronously hoisted to the designed elevation.
Based on the technical scheme, compared with the prior art, the invention has the following technical advantages:
the invention can realize that the truss steel roof component is integrally and synchronously lifted and installed by the lifting device after the assembly and the molding of the large-span plane truss steel roof component on the ground are finished, compared with the prior installation process, the lifting device can realize the synchronous lifting of multiple lifting points in the up-and-down moving process of the hydraulic oil cylinder, and the synchronous error can be kept within the range of 0-15 mm in the operation process of each lifting point, so that the lifting inclination rate of the truss steel roof component is controlled within 0.0009375, constructors can complete the assembly work of the plane truss steel roof component on the ground of a construction site, the installation speed is faster, the high-altitude work amount is greatly reduced, the personal safety of the constructors is ensured, 40-50% of the construction period can be reduced, meanwhile, the supporting scaffold or the sliding track and other facilities used for construction can be reduced, and the construction and installation cost can be reduced by 30-50%, the generated economic benefit is obvious; utilize the stable connector adaptation ground to set up between adjacent support unit, this stable connector includes the connecting rod and is located the fixing base at connecting rod both ends, has seted up the V-arrangement mounting groove on the fixing base, and the edges and corners looks adaptation of V-arrangement mounting groove and support unit is connected for it is more firm to promote supporting structure, and the result of use is better.
Drawings
Fig. 1 is a schematic structural diagram of the integral lifting device of the large-span planar truss steel roof.
Fig. 2 is a top layout view of the integral lifting device of the large-span planar truss steel roof of the invention.
Fig. 3 is a schematic plan view of the connection of the stabilizing connector of the present invention to a rack unit.
FIG. 4 is a schematic isometric view of a stabilizing connector of the present invention.
Fig. 5 is a schematic structural diagram of the spreader of the present invention.
Fig. 6 is a schematic structural view of the hydraulic lifter of the present invention.
In the figure: 1. truss steel roof component, 2, lifting device, 201, base, 202, lifting support, 212, support unit, 203, stabilizing connector, 213, connecting rod, 223, fixing seat, 233, V-shaped mounting groove, 204, lifting tool, 214, anti-loosening adjusting piece, 205, steel strand, 206, supporting plate, 207, hydraulic lifter, 217, hydraulic lifter body, 227, upper clamping head, 237, lower clamping head, 247, hydraulic oil cylinder.
Detailed Description
The invention is further explained below with reference to the figures and examples.
As shown in fig. 1-6, an integral lifting device for a large-span planar truss steel roof comprises a truss steel roof member 1 and a lifting device 2 for lifting the truss steel roof member, wherein: the lifting device 2 comprises a base 201, a lifting support 202, a stabilizing connector 203, a lifting appliance 204, a steel strand 205, a supporting plate 206 and a hydraulic lifter 207, wherein the lifting support 202 is arranged on the base 201, the supporting plate 206 is arranged at the top end of the lifting support 202, the hydraulic lifter 207 is arranged on the supporting plate 206, one end of the steel strand 205 is adaptively connected with the hydraulic lifter 207, the other end of the steel strand 205 is adaptively connected with the lifting appliance 204, and the lifting appliance 204 is adaptively connected with the truss steel roof member 1;
the lifting bracket 202 comprises at least two bracket units 212, and the stabilizing connector 203 is fittingly arranged between the adjacent bracket units 212;
the stabilizing connector 203 comprises a connecting rod 213 and fixing seats 223 positioned at two ends of the connecting rod, wherein the fixing seats 223 are provided with V-shaped mounting grooves 233, and the V-shaped mounting grooves 233 are in adaptive connection with edges and corners of the bracket unit 212;
the hydraulic lifter 207 specifically adopts a through hydraulic lifter, the hydraulic lifter 207 is the prior art and can be purchased directly from the market, the hydraulic lifter 207 comprises a hydraulic lifter body 217, an upper clamping head 227 arranged on the upper part of the hydraulic lifter body, a lower clamping head 237 arranged on the lower side inside the hydraulic lifter body and a hydraulic oil cylinder 247, one end of the steel strand 205 penetrates through the hydraulic lifter 207, and the upper clamping head 227 and the lower clamping head 237 are adaptively connected with the steel strand 205.
The lifting brackets 202 are steel lattice columns, and the distance range between adjacent lifting brackets 202 is 18 m. The stabilizing connector 203 is a profile steel connecting piece, the section of the connecting rod 213 is rectangular, the height range of the section is 160mm, the width range of the section is 120mm, and the wall thickness range is 3 mm. The V-shaped mounting groove 233 is connected to the corner of the bracket unit 212 by riveting or bolt fastening. The lifting appliance 204 specifically adopts a bolt connection assembly with a bolt model number of M24, the lifting appliance 204 is further provided with an anti-loosening adjusting piece 214, and the anti-loosening adjusting piece 214 is in adaptive connection with the end part of the steel strand 205. The diameter of the steel strand 205 is in the range of 19.5 mm.
A method of operating the integral lift system for a long span planar truss steel roof as claimed in claim 1:
s1: installing lifting devices 2 at a plurality of lifting points of the truss steel roof member 1, and lifting the truss steel roof member 1 through a lifting appliance 204;
s2: correcting the strokes of the hydraulic oil cylinders 247 of all the lifting devices 2 to be consistent, and controlling the stroke error between the hydraulic oil cylinders 247 within the range of 0-1 mm;
s3: the hydraulic lifter 207 controls the upper clamping head 227 to open, controls the lower clamping head 237 to clamp the steel strand 205, and stabilizes the pressure for 5 s;
s4: driving a hydraulic oil cylinder 247 to slowly lift the truss steel roof component 1 upwards, controlling the lifting speed to be 0.01m/s, stabilizing the time pressure for 60s after the lifting stroke is 50mm, checking the tightness degree of the steel strands 205 at each lifting point, and ensuring that all the steel strands are tightened by adjusting the anti-loosening adjusting piece 214 of the lifting appliance 204 for the loosened steel strands 205;
s5: the upper clamping head 227 is controlled by the hydraulic lifter 207 to clamp the steel strand 205, the pressure stabilizing time reaches 10s, then the lower clamping head 237 is opened, the hydraulic oil cylinder 247 is driven to reset downwards quickly, and the speed is controlled to be 0.1 m/s;
s6: and (5) circulating the operations S3-S5 until the truss steel roof member 1 is synchronously hoisted to the designed elevation.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.

Claims (7)

1. The utility model provides an integral lifting device of large-span plane truss steel roof which characterized in that: including truss steel roof member (1) and be used for hoist and mount truss steel roof member's hoisting device (2), wherein: the lifting device (2) comprises a base (201), a lifting support (202), a stabilizing connector (203), a lifting appliance (204), a steel strand (205), a supporting plate (206) and a hydraulic lifter (207), wherein the lifting support (202) is arranged on the base (201), the supporting plate (206) is arranged at the top end of the lifting support (202), the hydraulic lifter (207) is arranged on the supporting plate (206), one end of the steel strand (205) is adaptively connected with the hydraulic lifter (207), the other end of the steel strand (205) is adaptively connected with the lifting appliance (204), and the lifting appliance (204) is adaptively connected with the truss steel roof component (1);
the lifting bracket (202) comprises at least two bracket units (212), and the stabilizing connector (203) is fittingly arranged between the adjacent bracket units (212);
the stabilizing connector (203) comprises a connecting rod (213) and fixing seats (223) positioned at two ends of the connecting rod, wherein the fixing seats (223) are provided with V-shaped mounting grooves (233), and the V-shaped mounting grooves (233) are in adaptive connection with edges and corners of the bracket unit (212);
the hydraulic lifter (207) comprises a hydraulic lifter body (217), an upper clamping head (227) arranged on the upper portion of the hydraulic lifter body, a lower clamping head (237) arranged on the lower side of the interior of the hydraulic lifter body and a hydraulic oil cylinder (247), one end of the steel strand (205) penetrates through the hydraulic lifter (207), and the upper clamping head (227) and the lower clamping head (237) are adaptively connected with the steel strand (205).
2. The integral lifting device for a large-span planar truss steel roof as recited in claim 1, wherein: the lifting supports (202) are steel lattice columns, and the distance range between every two adjacent lifting supports (202) is 16-20 m.
3. The integral lifting device for a large-span planar truss steel roof as recited in claim 1, wherein: the stabilizing connector (203) is a profile steel connecting piece, the section of the connecting rod (213) is rectangular, the height range of the section is 150-200 mm, the width range of the section is 120-180 mm, and the wall thickness range is 3-5 mm.
4. The integral lifting device for a large-span planar truss steel roof as recited in claim 1, wherein: the V-shaped mounting groove (233) is connected with the corner of the bracket unit (212) in a riveting or bolt fixing mode.
5. The integral lifting device for a large-span planar truss steel roof as recited in claim 1, wherein: the lifting appliance (204) is a bolt connection assembly with the bolt model number of M24-M28, an anti-loosening adjusting piece (214) is further arranged on the lifting appliance (204), and the anti-loosening adjusting piece (214) is in adaptive connection with the end of the steel strand (205).
6. The integral lifting device for a large-span planar truss steel roof as recited in claim 1, wherein: the diameter range of the steel strand (205) is 19.5-26.5 mm.
7. A method of operating an integral lifting device for a long span planar truss steel roof as claimed in claim 1 or claim 5 wherein:
s1: installing lifting devices (2) at a plurality of hoisting points of the truss steel roof member (1), and hoisting the truss steel roof member (1) by a hoisting tool (204);
s2: correcting the strokes of the hydraulic oil cylinders (247) of all the lifting devices (2) to be consistent, and controlling the stroke error between the hydraulic oil cylinders (247) within the range of 0-1 mm;
s3: the hydraulic lifter (207) is used for controlling the upper clamping head (227) to open, controlling the lower clamping head (237) to clamp the steel strand (205), and stabilizing the pressure for 5 s;
s4: driving a hydraulic oil cylinder (247) to slowly lift the truss steel roof component (1) upwards, controlling the lifting speed to be 0.01m/s, stabilizing the time pressure for 60s after the lifting stroke is 50mm, checking the tightness degree of the steel strand (205) of each lifting point, and ensuring that all the steel strands are tightened by adjusting an anti-loosening adjusting piece (214) of a lifting appliance (204) for the loosened steel strand (205);
s5: controlling an upper clamping head (227) to clamp the steel strand (205) through a hydraulic lifter (207), stabilizing the pressure for 10s, then opening a lower clamping head (237), driving a hydraulic oil cylinder (247) to quickly reset downwards, and controlling the speed to be 0.1 m/s;
s6: and (5) circulating the operations S3-S5 until the truss steel roof member (1) is synchronously hoisted to the designed elevation.
CN202110026697.XA 2021-01-09 2021-01-09 Integral lifting device for large-span planar truss steel roof and operation method thereof Withdrawn CN112479009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110026697.XA CN112479009A (en) 2021-01-09 2021-01-09 Integral lifting device for large-span planar truss steel roof and operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110026697.XA CN112479009A (en) 2021-01-09 2021-01-09 Integral lifting device for large-span planar truss steel roof and operation method thereof

Publications (1)

Publication Number Publication Date
CN112479009A true CN112479009A (en) 2021-03-12

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Application Number Title Priority Date Filing Date
CN202110026697.XA Withdrawn CN112479009A (en) 2021-01-09 2021-01-09 Integral lifting device for large-span planar truss steel roof and operation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114934596A (en) * 2022-06-29 2022-08-23 中国建筑第四工程局有限公司 Construction method and mechanism for lifting steel roof of gymnasium with basement structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114934596A (en) * 2022-06-29 2022-08-23 中国建筑第四工程局有限公司 Construction method and mechanism for lifting steel roof of gymnasium with basement structure
CN114934596B (en) * 2022-06-29 2024-03-08 中国建筑第四工程局有限公司 Gymnasium steel roof lifting construction method and mechanism with basement structure

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Application publication date: 20210312