阅读说明：本技术 曲线双轨道环链电葫芦高空钢结构吊装平台及其安装方法 (Curved double-track loop chain electric hoist high-altitude steel structure hoisting platform and installation method thereof ) 是由 徐文俊 马瑞 安琦 钱玉勇 文洋 金琼生 江明华 刘虎成 张丕翊 龚向旭 胡亚科 于 2021-05-18 设计创作，主要内容包括：本发明提供一种曲线双轨道环链电葫芦高空钢结构吊装平台及其安装方法,该吊装平台包括：若干根主钢梁,呈平行间隔设置且位于建筑结构柱之间,且每根主钢梁的两端分别固定在建筑结构梁上；曲线双轨道,固定在主钢梁的下方,曲线双轨道由二条弧型轨道构成；二台环链电动葫芦,对应安装在二条弧型轨道上；檩条框架,由铺设在主钢梁的上方的若干檩条构成；若干角钢,焊接在檩条框架的内侧表面；若干马道踏板,搭接在角钢上并铺设安装在檩条框架内。(The invention provides a curved double-track loop chain electric hoist high-altitude steel structure hoisting platform and an installation method thereof, wherein the hoisting platform comprises: the main steel beams are arranged in parallel at intervals and are positioned between the building structure columns, and two ends of each main steel beam are respectively fixed on the building structure beams; the curve double-track is fixed below the main steel beam and consists of two arc-shaped tracks; the two electric chain hoists are correspondingly arranged on the two arc-shaped rails; the purline framework is composed of a plurality of purlines laid above the main steel beams; a plurality of angle steels welded on the inner side surface of the purline frame; and the plurality of pavement pedals are lapped on the angle steel and are paved and installed in the purline frame.)

1. The utility model provides a curve double track way endless chain electric hoist high altitude steel construction hoist and mount platform which characterized in that includes:

the main steel beams are arranged in parallel at intervals and are positioned between the building structure columns, and two ends of each main steel beam are respectively fixed on the building structure beams;

the curve double-track is fixed below the main steel beam and consists of two arc-shaped tracks;

the two electric chain hoists are correspondingly arranged on the two arc-shaped rails;

the purline framework is composed of a plurality of purlines laid above the main steel beam;

the angle steels are welded on the inner side surface of the purline frame;

and the plurality of pavement pedals are lapped on the angle steel and are paved and installed in the purline frame.

2. The curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of claim 1, further comprising: an auxiliary pulley is arranged on the upper portion of the pulley,

and the auxiliary pulley is fixedly arranged on the building structure beam below the curve double-track.

3. The curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of claim 1, characterized in that:

the electric chain hoist is a trolley running type electric chain hoist.

4. The curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of claim 1, characterized in that:

the main steel beam is of an n-shaped structure and comprises a transverse part, the two ends of the transverse part are respectively connected with a vertical part, a base embedded plate is welded at the tail end of the vertical part on each side, a plurality of bolt holes are formed in the base embedded plate, and the main steel beam penetrates through chemical bolts to be fixed on the building structure beam through the bolt holes.

5. The curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of claim 4, characterized in that:

wherein the horizontal portion and the vertical portion are both H-shaped steel.

6. The curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of claim 1, characterized in that:

the arc-shaped rail is connected with the main steel beam in a hooking mode through a plurality of clamp hooks and is welded and fixed.

7. The method for installing the curved double-track endless chain electric hoist high-altitude steel structure hoisting platform as claimed in any one of claims 1 to 6, characterized by comprising the following steps:

firstly, measuring and paying off;

hoisting a main steel beam, positioning the main steel beam and installing and fixing the main steel beam through a chemical anchor bolt;

step three, installing a curve double-track rail through a hoop bent hook, and installing a chain electric hoist on each arc-shaped track;

fourthly, mounting a purline frame and paving a pavement pedal;

and fifthly, installing the directional guide wheel and arranging a steel wire rope winding form.

Technical Field

The invention relates to the technical field of building construction, in particular to a curve double-track loop chain electric hoist high-altitude steel structure hoisting platform and an installation method thereof.

Background

When the decoration material of the inner space of the building is decorated, a hoisting tool is usually used for hoisting the decoration material. The common lifting height of the current common electric hoist steel structure platform is generally 6-12m, and the common electric hoist steel structure platform is difficult to be suitable for the decoration requirement of the ultrahigh building internal space. However, at present, the building design is more and more diversified, for example, the inside of a building hall is set to be an ultrahigh (more than forty meters) inner inclined special-shaped hyperboloid decoration model, and because the structure is an unconventional structure and the required lifting height is more than 40m, the construction difficulty is large, and the current conventional electric hoist steel structure platform cannot meet the requirements. Therefore, a new hoisting platform is needed at present to meet the requirements of vertical hoisting of decorative materials and maintenance of later-period hall decorative surfaces by the ultrahigh inner-inclined special-shaped hyperboloid model of the hall.

Disclosure of Invention

The invention aims to solve the problems and provides a curved double-track endless chain electric hoist high-altitude steel structure hoisting platform and an installation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a curved double-track loop chain electric hoist high-altitude steel structure hoisting platform which is characterized by comprising the following components in parts by weight: the main steel beams are arranged in parallel at intervals and are positioned between the building structure columns, and two ends of each main steel beam are respectively fixed on the building structure beams; the curve double-track is fixed below the main steel beam and consists of two arc-shaped tracks; the two electric chain hoists are correspondingly arranged on the two arc-shaped rails; the purline framework is composed of a plurality of purlines laid above the main steel beams; a plurality of angle steels welded on the inner side surface of the purline frame; and the plurality of pavement pedals are lapped on the angle steel and are paved and installed in the purline frame.

In the high altitude steel structure hoisting platform of the curved double-track endless chain electric hoist provided by the invention, the hoisting platform is characterized by further comprising: and the auxiliary pulleys are fixedly arranged on the building structure beam below the curve double rails.

The hoisting platform for the high-altitude steel structure of the curved double-track endless chain electric hoist provided by the invention can also have the following characteristics: wherein, the electric chain hoist is a trolley operation type electric chain hoist.

The hoisting platform for the high-altitude steel structure of the curved double-track endless chain electric hoist provided by the invention can also have the following characteristics: wherein, main girder steel is n style of calligraphy structure, including horizontal part, the both ends of horizontal part are connected with vertical part respectively, and the base buries the board in the end of the vertical part of every side all welds, and a plurality of bolt holes have all been seted up to every base buries the board, and main girder steel passes the bolt hole through chemical bolt and fixes on the building structure roof beam.

The hoisting platform for the high-altitude steel structure of the curved double-track endless chain electric hoist provided by the invention can also have the following characteristics: wherein, horizontal part and vertical part are H type steel.

The hoisting platform for the high-altitude steel structure of the curved double-track endless chain electric hoist provided by the invention can also have the following characteristics: wherein, the arc track links to each other and welded fastening through a plurality of clamp crotch and main girder steel hookups.

The invention also provides an installation method of the curve double-track endless chain electric hoist high-altitude steel structure hoisting platform, which is characterized by comprising the following steps of: firstly, measuring and paying off; hoisting a main steel beam, positioning the main steel beam and installing and fixing the main steel beam through a chemical anchor bolt; step three, installing a curve double-track rail through a hoop bent hook, and installing a chain electric hoist on each arc-shaped track; fourthly, mounting a purline frame and paving a pavement pedal; and fifthly, installing the directional guide wheel and arranging a steel wire rope winding form.

The invention has the following functions and effects:

the curve double-track ring chain electric hoist high-altitude steel structure hoisting platform is provided with a platform formed by a plurality of main steel beams, and the curve double-track ring chain electric hoist is arranged below the main steel beams, so that the transportation of a lobby decoration material during decoration is guaranteed, and a spider man can maintain and maintain a lobby decoration surface conveniently in the future through the hoisting platform.

The curve double-track loop chain electric hoist high-altitude steel structure hoisting platform has the advantages that the curve double tracks are matched with the arc-shaped suspended ceiling of a hall, the design and modeling style of the hall is perfectly integrated, the overall decoration effect is natural and attractive, the platform can be kept without being detached all the time after finishing decoration, and the attractiveness is not influenced.

The pavement pedal is paved on the steel structure platform of the curve double-track endless chain electric hoist high-altitude steel structure hoisting platform, and an operation platform can be provided for later equipment maintenance.

The curved double-track loop chain electric hoist high-altitude steel structure hoisting platform adopts the single-track loop chain electric hoist, one electric hoist is correspondingly installed on one track, the two electric hoists can synchronously run and asynchronously run, the work is flexible, and the hoisting in the horizontal direction and the position adjustment in the horizontal direction can be realized. Has the characteristics of rapid operation, adjustable speed and the like.

Drawings

FIG. 1 is a schematic view of the main steel beam hoisting in the embodiment of the invention;

FIG. 2 is a schematic view of the main steel beam positioning and installation in the embodiment of the present invention;

FIG. 3 is a schematic structural view of the main steel beam after being installed and fixed according to the embodiment of the present invention;

FIG. 4 is a schematic view showing the installation of the curved double-track and endless chain electric block according to the embodiment of the present invention (the view is from bottom to top, and the building structure is omitted);

fig. 5 is a schematic view of the working condition of the curved double-track endless chain electric hoist high-altitude steel structure hoisting platform in the embodiment of the invention.

Reference numerals: a sling cart 1; a main steel beam 2; the transverse portion 21; a vertical portion 22; a base buried plate 2 a; a chemical bolt 2 b; a clamp hook 3; an arc-shaped track 4; a chain electric hoist 5; a purline 6; a riding track step 7; an object to be hoisted 9; a wire rope 10; an auxiliary pulley 11; a lobby building structure 12; building structure beams 12b, building structure columns 12 a.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments specifically explain the curve double-track endless chain electric hoist high altitude steel structure hoisting platform and the installation method thereof in combination with the attached drawings.

< example >

As shown in fig. 4 and 5, the present embodiment provides a curved double-track loop chain electric hoist aerial steel structure hoisting platform, which includes a main steel beam 2, a hoop hook 3, an arc-shaped track 4, a loop chain electric hoist 5, a purlin frame, a riding track pedal 7, a power line 8, a steel wire rope 10, and an auxiliary pulley 11.

Referring to fig. 5, there is illustrated an "a" shaped lobby building structure 12, the lobby building structure 12 being formed from building structure beams 12b and building structure columns 12 a. The overall height of the lobby building structure 12 exceeds 40 meters and the interior trim requirements of the structure are double-curved shapes that are inclined inwardly. The hoisting platform for the curve double-track endless chain electric hoist high-altitude steel structure is applied to decoration hoisting construction of the A-shaped lobby building structure.

Referring to fig. 2 to 4, the main steel beams 2 are arranged in parallel at intervals and located between the building structural columns 12 a. The two ends of each main steel beam 2 are respectively fixed to the building structure beam 12b on the side. The main steel beam 2 is of an n-shaped structure and comprises a transverse part 21, two ends of the transverse part are respectively connected with a vertical part 22, and the transverse part 21 and the vertical part 22 are all made of H-shaped steel. The end of the vertical part 22 on each side is welded with a base embedded plate 2a, a plurality of bolt holes are formed in each base embedded plate 2a, and the main steel beam 2 penetrates through the bolt holes through chemical bolts 2b to be fixed on the building structure beam 12 b.

As shown in fig. 4, a curved double rail is fixed below the main steel beam 2, and the curved double rail is composed of two arc rails 4. The arc-shaped track 4 is made of cold-bending arc-shaped I-steel with specification and model number of 20# b. The arc-shaped track 4 is connected with the main steel beam 2 in a hooking mode through a plurality of clamp hooks 3 and is welded and fixed, and the clamp hooks 3 are angle steel clamp hooks matched with the I-shaped steel. Two electric chain hoists 5 are correspondingly installed on the two arc-shaped rails 4, the electric chain hoist 5 is a trolley operation type electric chain hoist, the operation trolley is a rail trolley matched with the arc-shaped rails 4 in specification, the operation trolley and the hoist main body are fixedly connected through special balance beam bolts, the turning is flexible, the track is prevented from being derailed, and the electric chain hoist 5 is ensured to stably and flexibly operate.

The purlin frame is arranged above the main steel beam 2, the purlin frame is formed by a plurality of purlins 6 which are laid and installed above the main steel beam 2, and the distance between the purlins is 1200 mm. A plurality of angle steel welding is on the inside surface of purlin frame 6, and a plurality of packway footplates 7 overlap joint is installed in the purlin frame 6 on the angle steel and embedded laying. The pavement pedal 7 adopts a load value of 2.0kN/m²The galvanized riding track pedal ensures that the whole static and live load of a suspended ceiling, a ceiling lamp and maintenance personnel is borne.

As shown in fig. 5, the auxiliary sheave 11 is installed and fixed to the structural beams 12b under the curved double track by a conventional fixed sheave installation method. The quantity of auxiliary pulley 11 sets up to a plurality ofly, divide into the setting of multilayer high position according to the construction situation, when hoist and mount object, because auxiliary pulley 11 can the multilayer setting, accessible auxiliary pulley 11 realizes the segmentation layering turnover and promotes.

The hoisting platform for the high-altitude steel structure of the curved double-track endless chain electric hoist is installed and constructed by the following installation method. The method comprises the following steps:

step one, measuring and paying off:

the measurement and the paying-off are carried out by a lofting robot. The fixed position of the main steel beam on the building structure beam is determined through measurement, after the position is determined, the position, height deviation, flatness and elevation of the rechecking axis are checked firstly, and then the cross center line is popped up and the elevation is measured.

Step two, hoisting the main steel beam:

as shown in fig. 1, the main steel beams 2 are hoisted by the hoisting machine 1, in this embodiment, the installation height of the main steel beams is 41.05 m, so that the main steel beams are slowly and upwards lifted to the position near the height of 41.05 m, the positions are carefully adjusted, the base embedded plates of the main steel beams are aligned with the positioning lines on the building structure beams, then, the main steel beams 2 are sequentially installed in the sequence shown in fig. 2, and the main steel beams 2 are installed and fixed through chemical anchors during installation.

Step three, installing a curve double-track and a ring chain electric hoist:

and hoisting a curve double rail below the main steel beam 2, installing the curve double rail through the clamp hook 3, welding and fixing the curve double rail and the clamp hook, and installing a chain electric hoist 5 on each arc-shaped rail correspondingly.

Step four, mounting a purline frame and paving a pavement pedal 7:

the method comprises the following steps of laying purlins 6 above main steel beams 2 in a welding mode to form a purlin frame 6, welding angle steel on the inner side face of the purlin frame 6, and then overlapping a pavement pedal 7 above the angle steel and laying the pavement pedal in the purlin frame 6 in an embedded mode.

And fifthly, installing a directional guide wheel and arranging the winding form of the steel wire rope 10 according to the actual construction condition.

The hoisting working condition of the curved double-track endless chain electric hoist high-altitude steel structure hoisting platform of the embodiment is shown in fig. 5. Fig. 5 shows the operation of only one electric chain hoist 5, and similarly to the other, the electric chain hoist 5 is driven by an electric control.

The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.