CN209685125U - A kind of overhead large-span steel structure vestibule Integral synchronous lifting device - Google Patents

A kind of overhead large-span steel structure vestibule Integral synchronous lifting device Download PDF

Info

Publication number
CN209685125U
CN209685125U CN201920391400.8U CN201920391400U CN209685125U CN 209685125 U CN209685125 U CN 209685125U CN 201920391400 U CN201920391400 U CN 201920391400U CN 209685125 U CN209685125 U CN 209685125U
Authority
CN
China
Prior art keywords
steel
column
pull rod
welded
girder steel
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.)
Expired - Fee Related
Application number
CN201920391400.8U
Other languages
Chinese (zh)
Inventor
杨兴
周浩飞
李俊锋
郭宏伟
雷勇勇
胡雪
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.)
China Construction Fourth Engineering Division Corp Ltd
Original Assignee
China Construction Fourth Engineering Division Corp 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 China Construction Fourth Engineering Division Corp Ltd filed Critical China Construction Fourth Engineering Division Corp Ltd
Priority to CN201920391400.8U priority Critical patent/CN209685125U/en
Application granted granted Critical
Publication of CN209685125U publication Critical patent/CN209685125U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of overhead large-span steel structure vestibule Integral synchronous lifting device, including promotes girder steel, main structure column and main structure girder steel;The promotion girder steel, the steel column, the diagonal brace, the pull rod and the main structure column collectively constitute a girder system;Described one end for promoting girder steel is weldingly connected with the steel column, the pull rod, and in-between by welding the stiffener to reinforce;The steel column and the diagonal brace form simple support system and overhang girder steel is promoted except main structure body out.The utility model is big for overhead large-span steel structure vestibule figure, from the poor problem of great, stability, devise dedicated hoisting frame, its intensity is high, design is reasonable, facilitate operating process control, stability is good, has important directive significance to the lifting construction of large-scale truss, the promotion lifting of the overhead large-span steel structure vestibule especially suitable for the lifting of four suspension centres.

Description

A kind of overhead large-span steel structure vestibule Integral synchronous lifting device
Technical field
The utility model relates to a kind of overhead large-span steel structure vestibule Integral synchronous lifting devices, belong to high-altitude building and set Standby technical field.
Background technique
Vestibule is one kind of Complex Tall Building system, it refers generally between Building two or a few building skyscrapers by making somebody a mere figurehead Connector is connected with each other, to meet architectural image and using the requirement of function.The span of vestibule has several meters long, also there is tens meters It is long.Vestibule vertically has arrangement one along building, also has arrangement several.Vestibule setting is on the one hand in building function It is required that it can be convenient the connection between two main structures.Vestibule has good daylighting effect and wide visual field simultaneously, can To be used as sightseeing corridor or leisure coffee shop etc.;On the other hand, due to the setting of vestibule, can make more special in architectural appearance Color, and a kind of more harmonious building atmosphere can be built.In addition, there are also fire-fighting vestibules, play the role of exit passageway, to anti- Fire requires very high, it is necessary to all make of fire proofing material.
However, the lift technique of skybridge is always the difficult point in engineering, and because the span of vestibule is generally large, material Material composition is mostly steel construction or armored concrete, and high altitude operation wind load is larger, this makes, and skybridge is big with quality, hangs Precision is filled to be difficult to control, promote the demanding feature of seat structure reliability;
Currently, using bulk-breaking high altitude bulk, not only assembly, Welder for large span high-altitude disjunctor heavy steel member Work amount is big, site machinery equipment is difficult to meet lifting requirements, and required high-altitude spelling moulding bed dosage is more, scaffolding height is big, deposits In very big safety, quality risk;The difficulty of construction is big, is unfavorable for the field erected duration control of steel construction.
Therefore, it is badly in need of a kind of simple reliable in engineering, the high upper suspension centre hoisting frame structure of safety guarantee is to meet vestibule The construction requirement integrally promoted.
Utility model content
The purpose of this utility model is to provide a kind of overhead large-span steel structure vestibule Integral synchronous lifting devices, with solution Certainly in the prior art since Large Steel vestibule truss takes up a large area, from great, stability is poor, is difficult to carry out asking for lifting construction Topic, effectively solves easily to occur in Large Steel vestibule truss hoisting process that balance is not easy to control, safety cannot be guaranteed asks Topic.
The technical solution of the utility model includes: a kind of overhead large-span steel structure vestibule Integral synchronous lifting device, including mention It rises girder steel, steel column, diagonal brace, the first pull rod, stiffener, built-in fitting, leading truck, horizontal reinforcing bar, main structure column and consolidates Surely it is connected to the upper layer main body structural steel beam and lower layer's main structure girder steel of main structure column upper and lower ends, in main structure column Top has been bolted to connection steel column, is horizontally welded with promotion girder steel in the top outer of steel column, is promoting steel Be welded with diagonal brace between overhanging end and the lower end of steel column of beam, promoted girder steel fixing end and upper layer main body structural steel beam it Between be obliquely welded with the first pull rod, be welded with the second drawing between upper layer main body structural steel beam and lower layer's main structure girder steel Bar, the promotion girder steel, steel column, diagonal brace, the first pull rod, the second pull rod and main structure column collectively constitute a joist body System is fixedly installed with leading truck at the top of girder steel being promoted.
Further, promotion girder steel is overhang and is tied out by the support system of the promotion girder steel, steel column and diagonal brace composition Except structure main body.
Further, built-in fitting is welded on lower layer's main structure girder steel, the lower end of the second pull rod and built-in fitting weld Connection, the upper end of the second pull rod and upper layer main body structural steel beam are welded to connect, and pad be located at upper layer main body structural steel beam and First pull rod intersection.
Further, adjacent main structure column top is provided with embedded bar, one end of horizontal reinforcing bar and pre-buried steel Muscle is welded and fixed, and the other end and the overhanging end for promoting girder steel are welded to connect.
Further, the junction of the promotion girder steel and the first pull rod is welded with stiffener, in the first pull rod and second The junction of pull rod and upper layer main body structural steel beam is welded with stiffener.
Further, the main structure column uses the steel box column of two-way bending resistance.
Due to the adoption of the above technical scheme, utility model has the advantages that
1, operation side is small: the utility model technology for Steel corridor high altitude operation provide one it is solid easy Working face is greatly reduced effectively instead of overhanging type concrete hoisting job platform in supporting structure;
2, power transmission is clearly reasonable: construction loads is transferred on fashioned iron crossbeam by hydraulic jack, and pull rod and strut are effective The load being transferred on fashioned iron crossbeam has been shared on ground, keeps total power transmission clear, reasonable stress;
3, project cost is low: compared with traditional installation in air operation, the utility model technical operation equipment is simple, manually Less investment substantially reduces the duration, significantly reduces cost;
4, it is high to promote precision: the setting of horizontal reinforcing bar strengthens the globality and stability of structure, the company of effectively preventing The horizontal jitter that corridor occurs when being promoted.
To sum up, the utility model it is big for overhead large-span steel structure vestibule figure, from the poor problem of great, stability, Dedicated hoisting frame is devised, intensity is high, and design rationally, facilitates operating process control, stability is good, hangs to large-scale truss Dress construction has important directive significance, and the promotion of the overhead large-span steel structure vestibule especially suitable for the lifting of four suspension centres is hung Dress.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the partial view of Fig. 1.
Description of symbols: 1- promotes girder steel;2- steel column;3- diagonal brace;The first pull rod of 4-;5- stiffener;6- built-in fitting; 7- leading truck;8- horizontal reinforcing bar;9- main structure column;10- upper layer main body structural steel beam;The second pull rod of 11-;12- lower layer master Body structural steel beam.
Specific embodiment
It is right with reference to the accompanying drawings and examples in order to keep the purpose of this utility model, technical solution and advantage clearer The utility model is described in further detail.
The embodiments of the present invention: the structural schematic diagram of overhead large-span steel structure vestibule Integral synchronous lifting device is such as Shown in Fig. 1~3, including promote girder steel 1, steel column 2, diagonal brace 3, the first pull rod 4, stiffener 5, built-in fitting 6, leading truck 7, level Reinforcing bar 8, main structure column 9 and be fixedly connected on 9 upper and lower ends of main structure column upper layer main body structural steel beam 10 and under Layer main body structural steel beam 12 has been bolted to connection steel column 2 at the top of main structure column 9, at the top of steel column 2 Outside, which is horizontally welded with, promotes girder steel 1, is welded with diagonal brace 3 between overhanging end and the lower end of steel column 2 for promoting girder steel 1, The support system that promotion girder steel 1, steel column 2 and the diagonal brace 3 forms overhangs girder steel 1 is promoted except main structure body out. It is obliquely welded with the first pull rod 4 between the fixing end and upper layer main body structural steel beam 10 for promoting girder steel 1, in upper layer main body knot Be welded with the second pull rod 11 between structure girder steel 10 and lower layer's main structure girder steel 12, the promotion girder steel 1, steel column 2, diagonal brace 3, First pull rod 4, the second pull rod 11 and main structure column 9 collectively constitute a girder system, in the fixed peace in top for promoting girder steel 1 Equipped with leading truck 7.Built-in fitting 6 is welded on lower layer's main structure girder steel 12, the lower end of the second pull rod 11 and built-in fitting 6 weld It connects in succession, the upper end of the second pull rod 11 and upper layer main body structural steel beam 10 are welded to connect, and pad is located at upper layer main body structure 4 intersection of girder steel 10 and the first pull rod.It is provided with embedded bar at the top of adjacent main structure column 9, the one of horizontal reinforcing bar 8 End is welded and fixed with embedded bar, and the other end and the overhanging end for promoting girder steel 1 are welded to connect.The promotion girder steel 1 and first is drawn The junction of bar 4 is welded with stiffener 5, in the connection of the first pull rod 4 and the second pull rod 11 and upper layer main body structural steel beam 10 Place is welded with stiffener 5.The main structure column 9 uses the steel box column of two-way bending resistance.
The specifically used mode and effect of the present embodiment:
The construction method of the overhead large-span steel structure vestibule Integral synchronous lifting device of the utility model includes following step It is rapid:
1, built-in fitting 6 is default:
According to the corridor construction position marked on construction drawing, built-in fitting is set in advance in the floor plates of corresponding height 6, anchor slab t=12mm, material Q235B, and dowel uses the HRB335 steel bar of diameter d=12mm, dowel is adopted with anchor slab With perforation plug welding.
2, steel column 2 is welded:
According to the corridor construction position marked on construction drawing, steel is welded on the main structure column 9 of corresponding height Column 2, specification are B450 × 450 × 20 hot-rolled steel sections, and weld seam is all made of melt-through weld, weld seam grade level-one, 100% ultrasound Wave inspection detection, makes to form firm connection between the lifting device of vestibule and main structure.
3, the welding of girder steel 1 and steel column 2 is promoted:
This part can shift to an earlier date prefabricated installation can also be with in-site installation, and promotion 1 specification of girder steel is B500 × 450 × 20 hot rollings Fashioned iron can also use I-steel, H profile steel, Strength calculation or large diameter steel pipe, and promoted 1 one sections of girder steel and steel column 2 into Row is welded to connect, and the other end hangs except overhanging storey.Seam is all made of melt-through weld, weld seam grade level-one, 100% ultrasonic examination Detection, its surface iron rust, dust and Other Waste must be removed by being promoted before girder steel uses, and guarantee its dry tack free.
4, the arrangement of diagonal brace 3:
In order to make entire lift structure form geometrically stable system, the tilting diagonal brace 3 below the overhanging end for promoting girder steel 1, Use specification for B450 × 450 × 20 hot-rolled steel sections, and the other end of diagonal brace 3 is welded with 2 lower end of steel column, seam is all made of Melt-through weld, weld seam grade level-one, 100% ultrasonic examination detection, and diagonal brace 3 bears pressure in hoisting process, therefore Its specification answers pressing lever stability to be selected.
5, the arrangement of horizontal reinforcing bar 8:
In order to control the horizontal stable of entire upper suspension centre hoisting frame structure, the storey setting where promoting girder steel 1 is horizontal Reinforcing bar 8 guarantees the stabilization and precision of vestibule lifting process, and 8 cantilever end of horizontal reinforcing bar and promotion steel as lateral support Beam 1 overhangs end and is connected, and the anchored end of horizontal reinforcing bar 8 and the embedded bar in upper layer main body structural steel beam 10 weld, and water 140 × 5 round tube of material selection φ of flat reinforcing bar 8.
6, the arrangement of the first pull rod 4 and the second pull rod 11:
Unstable phenomenon occurs to prevent diagonal brace 3 from answering pressure excessive, in this end that promotion girder steel 1 is connect with steel column 2 First pull rod 4 is set with share part lifting load, and in-between setting welding stiffener 5 to reinforce, the first pull rod 4 Lower end is welded in upper layer main body structural steel beam 10, is welded between upper layer main body structural steel beam 10 and lower layer's main structure girder steel 12 It is connected to the second pull rod 11, and the lower end of the second pull rod 11 is welded on the built-in fitting 6 of lower layer's main structure girder steel 12, and second Ribbed stiffener 5 welds to improve the safety of system in pull rod 11 and 10 intersection of upper layer main body structural steel beam.Seam is all made of penetration weld Seam, weld seam grade level-one, 100% ultrasonic examination detection.
7, the arrangement of suspension centre;
Depending on suspension centre quantity is according to the weight of Steel corridor, general setting 4 or 6 suspension centres, suspension centre should be arranged symmetrically, The laying of suspension centre should make intensity, the stability of each rod piece of vestibule be all satisfied requirement.
8, the installation of leading truck 7:
After installing upper suspension centre hoisting frame, after the qualified stability of detection structure system, pacify above girder steel 1 being promoted Leading truck 7 is filled, 7 making material of leading truck selects the round tube of P102 × 5, material Q235B.Material can be replaced when field fabrication It changes, but sectional area and anti-bending strength must not be lower than former sections.
9, vestibule integrally promotes operation:
The whole of vestibule promotes the core-theaded type hydraulic rockshaft for selecting model YS-SJ type, with " Structure Attitude is finely tuned, Suspension centre oil pressure, synchronous shift control, unloading classification weigh in place " as principle is promoted, in order to prevent the strong wind weather of burst to steel The influence of structure vestibule guarantees the stabilization for promoting operation, the offset for answering real-time monitoring vestibule when operation is being promoted, when vestibule When offset is more than safe range, it should stop operation and be adjusted immediately, vestibule promotes speed control in 10~12m/h.
10, the dismounting of upper suspension centre hoisting frame structure:
Installation reinforcing is carried out after vestibule rigging out, it is suitable according to reasonably constructing after confirmation lifting precision is no more than limit value Sequence removes each component part of seat structure, and demolishing process should carry out safety precaution work, set up safety guard net, prevent object It falls, guarantees the safety of construction personnel.

Claims (6)

1. a kind of overhead large-span steel structure vestibule Integral synchronous lifting device, including promote girder steel (1), steel column (2), diagonal brace (3), the first pull rod (4), stiffener (5), built-in fitting (6), leading truck (7), horizontal reinforcing bar (8), main structure column (9) and It is fixedly connected on the upper layer main body structural steel beam (10) and lower layer's main structure girder steel (12) of main structure column (9) upper and lower ends, It is characterized by: steel column (2) have been bolted to connection at the top of main structure column (9), at the top of steel column (2) Outside, which is horizontally welded with, promotes girder steel (1), is welded between the lower end at the overhanging end and steel column (2) that promote girder steel (1) Diagonal brace (3) is obliquely welded with the first pull rod between the fixing end and upper layer main body structural steel beam (10) for promoting girder steel (1) (4), it is welded between upper layer main body structural steel beam (10) and lower layer's main structure girder steel (12) the second pull rod (11), it is described to mention It rises girder steel (1), steel column (2), diagonal brace (3), the first pull rod (4), the second pull rod (11) and main structure column (9) and collectively constitutes one A girder system is fixedly installed with leading truck (7) at the top of girder steel (1) being promoted.
2. overhead large-span steel structure vestibule Integral synchronous lifting device according to claim 1, it is characterised in that: described Promotion girder steel (1), steel column (2) and diagonal brace (3) composition support system will be promoted girder steel (1) overhang out main structure body it Outside.
3. overhead large-span steel structure vestibule Integral synchronous lifting device according to claim 1, it is characterised in that: described It being welded on lower layer's main structure girder steel (12) built-in fitting (6), the lower end and built-in fitting (6) of the second pull rod (11) are welded to connect, The upper end and upper layer main body structural steel beam (10) of second pull rod (11) are welded to connect, and pad is located at upper layer main body structural steel beam (10) with the first pull rod (4) intersection.
4. overhead large-span steel structure vestibule Integral synchronous lifting device according to claim 1, it is characterised in that: in phase It is provided with embedded bar at the top of adjacent main structure column (9), one end of horizontal reinforcing bar (8) is welded and fixed with embedded bar, separately One end and the overhanging end for promoting girder steel (1) are welded to connect.
5. overhead large-span steel structure vestibule Integral synchronous lifting device according to claim 1, it is characterised in that: described The junction for promoting girder steel (1) and the first pull rod (4) is welded with stiffener (5), in the first pull rod (4) and the second pull rod (11) Stiffener (5) are welded with the junction of upper layer main body structural steel beam (10).
6. overhead large-span steel structure vestibule Integral synchronous lifting device according to claim 1, it is characterised in that: described Main structure column (9) uses the steel box column of two-way bending resistance.
CN201920391400.8U 2019-03-26 2019-03-26 A kind of overhead large-span steel structure vestibule Integral synchronous lifting device Expired - Fee Related CN209685125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920391400.8U CN209685125U (en) 2019-03-26 2019-03-26 A kind of overhead large-span steel structure vestibule Integral synchronous lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920391400.8U CN209685125U (en) 2019-03-26 2019-03-26 A kind of overhead large-span steel structure vestibule Integral synchronous lifting device

Publications (1)

Publication Number Publication Date
CN209685125U true CN209685125U (en) 2019-11-26

Family

ID=68606166

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920391400.8U Expired - Fee Related CN209685125U (en) 2019-03-26 2019-03-26 A kind of overhead large-span steel structure vestibule Integral synchronous lifting device

Country Status (1)

Country Link
CN (1) CN209685125U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809888A (en) * 2020-07-14 2020-10-23 中国建筑第八工程局有限公司 Construction method of large-span irregular truss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809888A (en) * 2020-07-14 2020-10-23 中国建筑第八工程局有限公司 Construction method of large-span irregular truss

Similar Documents

Publication Publication Date Title
CN102444203A (en) High-altitude long-span overhanging corridor type reinforced concrete structure and construction method
CN205012666U (en) High altitude steel construction vestibule integrally lift up support structure
CN102535845A (en) Construction method of bearing frame of corridor structure
CN107100187B (en) Tower crane steel girder erection structure and installation method
CN103437296A (en) Steel tube arch bridge towerless buckling three-section type double-rib folding hoisting construction method
CN104652813A (en) Tower crane construction technology used for super high-rise building steel structure
CN110863563A (en) Ultra-long cantilever and pull rod combined structure and construction method
CN107060070A (en) Load transfer device and the construction method that steel vestibule is lifted with the device
CN209685125U (en) A kind of overhead large-span steel structure vestibule Integral synchronous lifting device
CN114215170A (en) Method for lifting super-altitude giant hanging multi-layer connected structure
CN112324131B (en) One-frame dual-purpose large-span stiff beam construction structure and construction method thereof
CN202214974U (en) 5.8 m ultrahigh external lifting scaffold
CN106437123A (en) Supporting leg automatic turnover type overall lifting elevator well operation platform
CN206942109U (en) One kind is without special bracket and the protection support body of encorbelmenting of off-load industrialization security protection
CN109911755A (en) A kind of overhead large-span steel structure vestibule Integral synchronous hoisting frame
CN105888227B (en) Superelevation is tubaeform steel structure exterior finish operation platform and its building method
CN211949510U (en) Annular cantilever platform construction supporting system
CN110005215B (en) Reliable installation construction process for shear wall structure system
CN206844680U (en) Steel vestibule installation on ground load transfer device
CN207726560U (en) A kind of interim attachment device of building hoist
CN206902913U (en) A kind of high-altitude long-span overhung structure
CN205558306U (en) Big profiled steel structure vestibule hoist and mount hoisting frame
CN109653517A (en) A kind of multidirectional Load Relief System and the construction method with the system assembly steel vestibule
CN110206298A (en) A kind of optimization sliding-mode structure construction technology for the matrix side storehouse that misplaces
CN109629420A (en) A kind of king-tower transverse brace structure and its installation method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191126

Termination date: 20200326

CF01 Termination of patent right due to non-payment of annual fee