CN101148861A - Beret truss type hanging basket and assembling method thereof - Google Patents
Beret truss type hanging basket and assembling method thereof Download PDFInfo
- Publication number
- CN101148861A CN101148861A CNA2007100416549A CN200710041654A CN101148861A CN 101148861 A CN101148861 A CN 101148861A CN A2007100416549 A CNA2007100416549 A CN A2007100416549A CN 200710041654 A CN200710041654 A CN 200710041654A CN 101148861 A CN101148861 A CN 101148861A
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- Prior art keywords
- bailey truss
- suspender belt
- hanging basket
- top rail
- lower transverse
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- 238000000034 method Methods 0.000 title claims description 12
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000004873 anchoring Methods 0.000 claims abstract description 7
- 238000011065 in-situ storage Methods 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000005484 gravity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The cradle for in-situ cast bridge construction includes one bailey truss girder, four cross beams, hanging strips, anchoring ribs embedded in the formed girder, traveling tracks, round bars and balance weights connected together.
Description
Technical field
The present invention relates to a kind of equipment and spelling method thereof that is exclusively used in the bridge cast-in-place construction, particularly relate to a kind of Hanging Basket and spelling method thereof that is exclusively used in bridge cantilever cast-in-place construction.
Background technology
Hanging Basket is a kind of spelling equipment, and its single construction weight is light, need not large scale hoisting machinery when spelling and dismounting, just can carry out spelling smoothly, because spelling is very convenient with dismounting, in long-span bridge girder cantilever cast-in-place construction, those skilled in the art often adopts cradle construction technology.
Existing Hanging Basket equipment generally includes the load-bearing assembly, template assembly, anchoring assembly and walking moving assembly, wherein the load-bearing assembly mostly adopts triangular truss or rhombus truss to make up, the structural strength of this load-bearing assembly is that width or the sections according to the bridge desiring to set up heavily waits parameter to determine, that is to say, if set up different bridges, then need to design respectively triangular truss or rhombus trussed construction intensity, be processed into triangular truss or the rhombus truss that adheres to specification by H shaped steel again, this has brought many inconvenient and costs that build a bridge also therefore to increase many for the people of this area.
Summary of the invention
The object of the present invention is to provide a kind of improved Hanging Basket, make its structure can come spelling to realize by existing general component and fitting fully, with design that makes things convenient for Hanging Basket and the cost of manufacture that reduces Hanging Basket.
To achieve these goals, the characteristics of Hanging Basket of the present invention are, comprise the load-bearing assembly, it has the leading beam of at least two Bailey truss, preceding top rail, back top rail, preceding lower transverse beam and back lower transverse beam, the leading beam of described Bailey truss is formed by connecting by bracing frame by at least two row's Bailey truss (Bailey truss), and the described Bailey truss of every row is formed by connecting from beginning to end by multi-disc Bailey truss unit; Suspending assembly, its have a plurality of before suspender belt at the bottom of suspender belts, a plurality of back strap and a plurality of beam; Anchoring assembly comprises that an end imbeds many anchor ribs that become the beam body; And the walking assembly, it has one or more groups walking track, many round steel and counterweight; The rear end of the leading beam of described Bailey truss connects many described anchor ribs, top rail and described back top rail are across the upside of the leading beam of many described Bailey truss respectively before described, top rail and its lower end were connected to described preceding lower transverse beam before the upper end of a plurality of described preceding suspender belts was connected to, the upper end of a plurality of described back straps connects described back top rail respectively and is connected to described back lower transverse beam with its lower end, the upper end of little suspender belt connects the bottom side that become the beam body respectively and its lower end is connected to described back lower transverse beam at the bottom of a plurality of described beams, described walking track laying is in the leading beam of described Bailey truss and describedly become between the beam body and described round steel is layed on the described walking track, described counterweight is arranged at the rear end of the leading beam of described Bailey truss, to prevent Hanging Basket toppling when walking.
To achieve these goals, the characteristics of the method for spelling Hanging Basket of the present invention are may further comprise the steps:
(a) lay one or more groups walking track at the upside that becomes the beam body, on described walking track, lay many round steel;
(b) at least two are positioned on the described round steel by the leading beam of Bailey truss that bracing frame is formed by connecting by at least two row's Bailey truss, the described Bailey truss of every row is formed by connecting from beginning to end by multi-disc Bailey truss unit, and will imbed the described anchor rib external part that has become the beam body and be connected, and become the beam body to fix with respect to described so that described Bailey truss is dominated beam with the rear end of the leading beam of described Bailey truss;
(c) many forward and backward top rails are crossed at regularly the upside that described Bailey truss is dominated beam respectively;
(d) upper end with preceding suspender belt connects described preceding top rail, and the upper end of back strap connects described back top rail, and the upper end of suspender belt connects the described bottom side that has become the beam body at the bottom of the beam;
(e) forward and backward lower transverse beam is connected the lower end of described forward and backward suspender belt respectively, and described back lower transverse beam is connected in the lower end of suspender belt at the bottom of the described beam;
(f) in the rear end of the leading beam of described Bailey truss counterweight is set, when walking, topples to prevent Hanging Basket.
The leading beam of Hanging Basket of the present invention is to adopt Bailey truss to make up, because Bailey truss rigidity is big, the Hanging Basket distortion is little, help controlling cast-in-place sections construction quality, what is more important, the Bailey truss unit of Bailey truss rent convenient and rent low, even to setting up of the bridge of Different Weight and shape, the designer of Hanging Basket all need not consider how to constitute the process that Hanging Basket is dominated beam by English truss or rhombus truss, the manufacturer of Hanging Basket need not considered cumbersome manufacture process yet, the Bailey truss unit that only need rent Bailey truss from market just can become the leading beam of desired structure intensity by spelling, thereby has accelerated the manufacture process of Hanging Basket and reduced the cost of production of Hanging Basket.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
In following accompanying drawing, identical label indicates identical object:
Fig. 1 is the Front view 1 of Bailey truss type Hanging Basket of the present invention;
Fig. 2 is along the 1-1 direction in the Bailey truss type Hanging Basket among Fig. 1 and the sectional view of 2-2 direction.
The specific embodiment
To describe the preferred embodiments of the present invention in detail now, although the employed term in back is to select from public term, but some term then is the applicant to be judged by it and selects, and its detailed meanings should be understood according to the spirit that the application's desire discloses.
The Hanging Basket of present embodiment utilizes the characteristics that the Bailey truss bearing capacity is big, rigidity is big that it is dominated beam as Hanging Basket, other parts all adopt i iron processing to assemble, and Hanging Basket can be divided into six assemblies: load-bearing assembly, suspending assembly, anchoring assembly, walking assembly, template assembly and tension operation platform.
Please see figures.1.and.2 simultaneously.The load-bearing assembly comprises the leading beam 10 of at least two Bailey truss and preceding top rail 11, back top rail 12, preceding lower transverse beam 13, back lower transverse beam 14 and many following longerons 72.The every leading beam 10 of Bailey truss is formed by connecting by bracing frame 17 by at least two row's Bailey truss 16, every row's Bailey truss 16 is formed by connecting by multi-disc Bailey truss unit 18 head and the tail, forward and backward top rail 11,12 comprises two i iron that are provided with in parallel to each other respectively, cross at regularly on the upper chord and web node of leading beam 10, forward and backward lower transverse beam 13,14 comprises that respectively an i iron and hoisting point position are provided with the steel plate ribs, and many following longerons 72 and forward and backward lower transverse beam 13,14 intersect vertically and relative fixed ground is provided with.
Suspending assembly comprises suspender belt 22 at the bottom of preceding suspender belt 20, back strap 21 and the beam.Preceding suspender belt 20 comprises many group steel plate suspender belts, top rail 11 before the upper end cooperates shoulder pole girder 211 to be connected in spiral jack 210, lower end and preceding lower transverse beam 13 are by the pin pin joint, thereby the gravity of cast-in-place beam section 40 and working load etc. will be delivered on the leading beam 10 of Bailey truss by preceding suspender belt 20.
Suspender belt 22 comprises many group steel plate suspender belts at the bottom of the beam, its upper end cooperates shoulder pole girder 211 to be connected in the bottom that becomes beam section 41 by spiral jack 210, its lower end is passed after the reserving hole (not shown) that becomes beam section 41 and back lower transverse beam 14 pin joints, thereby the gravity of cast-in-place beam section 40 and working load etc. will be delivered to the completed beam section 41 that become by suspender belt at the bottom of the beam 22 simultaneously.Back strap 21 comprises many group steel plate suspender belts, its upper end cooperates shoulder pole girder 211 to be connected in back top rail 12 by spiral jack 210, its lower end and back lower transverse beam 14 pin joints, thereby the gravity of cast-in-place beam section 40 and working load etc. also will be delivered on the leading beam 10 of Bailey truss by back strap 21 simultaneously, back strap 21 is except that bearing cast-in-place beam section gravity and working load, another important function is when Hanging Basket integral body is mobile, after suspender belt 22 disengagings have become beam section 41 at the bottom of the beam, with preceding suspender belt 20 with template assembly, tension operation platform etc. is hung at Bailey truss and is dominated beam 10 times, moves forward to the position of casting of next beam section.
In practice of construction, can adjust suspender belt length by adopting spiral jack 210, so that Hanging Basket can adapt to the variation of cast-in-place beam section height, guarantee the desirable linear of cast-in-place beam section.
Anchoring assembly comprises many anchor ribs 50, be arranged at the rear portion of the leading beam 10 of Bailey truss respectively, anchor rib 50 is embedded in before the spelling Hanging Basket and becomes on the beam section 41, the end that anchor rib 50 stretches out from the upside that becomes beam section 41 is consolidated in the leading beam 10 of Bailey truss, thereby the leading beam 10 of Bailey truss and become beam section 41 relative fixed, the antidumping when cradle construction is played in the deadweight of having watered beam section 41.
Anchor rib 50 is preferably vertical prestressing bar, the one end extends through and connects pedestal 55, connecting pedestal 55 is that two channel-section steels are fixedly set in the leading beam 10 of Bailey truss dorsad in the present embodiment, and anchor rib 50 can be consolidated in the leading beam 10 of Bailey truss by connectors such as pad, nut (not shown) are set on connection pedestal 55.
The walking assembly comprises walking track 61, round steel 62 and counterweight 63.Two groups of walking tracks 61 are laid on the leading beam 10 of Bailey truss and become between the beam section 41, and many round steel 62 are placed on away respectively on the track 61, and the walking power utilization can be drawn by two Chain blocks and be realized.Counterweight 63 is provided with the tail end of the leading beam 10 of Bailey truss, and it can be resisted when mobile Hanging Basket front end because of the leading beam 10 of Bailey truss and be provided with the unbalanced moment that template assembly etc. produces, and it is in place smoothly to guarantee that Hanging Basket is walked.
Above-mentioned load-bearing assembly, suspender belt assembly, anchoring assembly and walking assembly have constituted the main body of the Hanging Basket of present embodiment, and this main body can be used as the operation platform of cast-in-place beam section, such as can lay described template assembly in back and operating platform etc.
The template assembly of present embodiment comprises wooden model 70 and supporting construction 71, and for guaranteeing the desirable linear of Surface Quality of Concrete and beam body, wooden model 70 comprises the face of moulding nine clamping plate, and supporting construction 71 comprises that the lumps of wood encloses purlin and steel pipe, and supporting construction 71 is arranged on down on the longeron 72.Following longeron 72 comprises i iron, adopts anti-slip tank and round steel (not shown) spacing between following longeron 72 and the lower transverse beam 13,14.
The platform of setting operation foremost 80 of the Hanging Basket of present embodiment is used for the construction of constructor on Hanging Basket, such as arranges safety net 81 etc., and it comprises two row's steel pipe vertical position weldings on following longeron 72, and operating platform 80 scaffolding heights are with cast-in-place beam section 40 height change.
Before the installation of the Hanging Basket of present embodiment, beam section 41 should be constructed and be finished and realized the fixed measure of beam pier, becoming to lay walking track 61 and round steel 62 on the beam section 41 then, hang by vapour the more leading beam 10 of Bailey truss is laid the precalculated position, and by anchor rib 50 location, hang the precalculated position that forward and backward top rail 11,12 is placed leading beam 10 upsides of Bailey truss by vapour again, arrange suspender belt 22 at the bottom of forward and backward suspender belt 20,21 and the beam again, connect forward and backward lower transverse beam 13,14 again, longeron 72 template assemblies such as grade or operating platform 80 are set down at last.After spelling finishes,, adjust preceding suspender belt 20, make template assembly normally in place by jack 210 according to the design elevation of cast-in-place beam section.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limit the present invention; anyly be familiar with one of ordinary skill in the art; without departing from the spirit and scope of the present invention; should make the variation or the replacement of all equivalences, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (10)
1. a Hanging Basket is used for the bridge cast-in-place construction, it is characterized in that, comprises
The load-bearing assembly, comprise that at least two Bailey truss dominate beam, preceding top rail, back top rail, preceding lower transverse beam and back lower transverse beam, the leading beam of described Bailey truss is formed by connecting by bracing frame by at least two row's Bailey truss, and the described Bailey truss of every row is formed by connecting from beginning to end by multi-disc Bailey truss unit;
Suspending assembly, comprise a plurality of before suspender belt at the bottom of suspender belts, a plurality of back strap and a plurality of beam;
Anchoring assembly comprises that an end imbeds many anchor ribs that become the beam body; And
The walking assembly comprises one or more groups walking track, many round steel and counterweight;
The rear end of the leading beam of described Bailey truss connects many described anchor ribs, top rail and described back top rail are across the upside of the leading beam of many described Bailey truss respectively before described, the upper end of a plurality of described preceding suspender belts is connected to described preceding top rail and its lower end is connected to described preceding lower transverse beam, the upper end of a plurality of described back straps connects described back top rail respectively and is connected to described back lower transverse beam with its lower end, the upper end of suspender belt connects the bottom side that become the beam body respectively and its lower end is connected to described back lower transverse beam at the bottom of a plurality of described beams, described walking track laying is in the leading beam of described Bailey truss and describedly become between the beam body and described round steel is layed on the described walking track, described counterweight is arranged at the rear end of the leading beam of described Bailey truss, to prevent Hanging Basket toppling when walking.
2. Hanging Basket as claimed in claim 1, it is characterized in that, suspender belt is the steel plate suspender belt at the bottom of described preceding suspender belt, back strap and the beam, before described at the bottom of suspender belt, back strap and the beam suspender belt respectively with described before top rail, described back top rail, it is described that to have become described connection of the bottom side of beam body be to be connected with shoulder pole girder by spiral jack, described before at the bottom of suspender belt, back strap and the beam suspender belt respectively with described before lower transverse beam, after described connection of lower transverse beam be to connect by pin.
3. Hanging Basket as claimed in claim 1, it is characterized in that, the other end of described anchor rib extends through the connection pedestal of the rear end that is fixedly set in the leading beam of described Bailey truss, and is consolidated in the leading beam of described Bailey truss by the nut that is provided with on described connection pedestal.
4. Hanging Basket as claimed in claim 1 is characterized in that, also comprises template assembly, is used to form the profile of cast-in-place beam body; And many following longerons, itself and described forward and backward lower transverse beam intersect vertically and relative fixed ground is provided with; Described template assembly is arranged on the described longeron down.
5. Hanging Basket as claimed in claim 1 is characterized in that, described preceding top rail and back top rail are arranged on the upper chord and web node of the leading beam of described Bailey truss.
6. Hanging Basket as claimed in claim 4 is characterized in that, also comprises construction operation platform, is used to assist the construction on Hanging Basket, is arranged on the described longeron down.
7. a spelling method that is used for the Hanging Basket of cast-in-situ bridge is characterized in that, may further comprise the steps:
(a) lay one or more groups walking track at the upside that becomes the beam body, on described walking track, lay many round steel;
(b) at least two are positioned on the described round steel by the leading beam of Bailey truss that bracing frame is formed by connecting by at least two row's Bailey truss, the described Bailey truss of every row is formed by connecting from beginning to end by multi-disc Bailey truss unit, and the external part that will imbed the described anchor rib that has become the beam body is connected with the rear end of the leading beam of described Bailey truss, has become the beam body to fix so that described Bailey truss is dominated beam with respect to described;
(c) many forward and backward top rails are crossed at regularly the upside that described Bailey truss is dominated beam respectively;
(d) upper end with preceding suspender belt connects described preceding top rail, and the upper end of back strap connects described back top rail, and the upper end of suspender belt connects the described bottom side that has become the beam body at the bottom of the beam;
(e) forward and backward lower transverse beam is connected the lower end of described forward and backward suspender belt respectively, and described back lower transverse beam is connected in the lower end of suspender belt at the bottom of the described beam;
(f) in the rear end of the leading beam of described Bailey truss counterweight is set, when walking, topples to prevent Hanging Basket.
8. the spelling method of Hanging Basket as claimed in claim 7, it is characterized in that, in described step (d) with (e), suspender belt is a steel plate at the bottom of described preceding suspender belt, back strap and the beam, before described at the bottom of suspender belt, back strap and the beam suspender belt respectively with described before top rail, back top rail, to become described connection of the bottom side of beam body be to be connected with shoulder pole girder by spiral jack, described before at the bottom of suspender belt, back strap and the beam suspender belt respectively with described before lower transverse beam, after described connection of lower transverse beam be to connect by pin.
9. the spelling method of Hanging Basket as claimed in claim 7 is characterized in that, in described step (c), described preceding top rail and back top rail are arranged on the upper chord and web node of the leading beam of described Bailey truss.
10. the spelling method of Hanging Basket as claimed in claim 7, it is characterized in that, also comprise step (g), with many following longerons with described forward and backward lower transverse beam intersects vertically and relative fixed ground is provided with, then, the template assembly that is used to form the profile of cast-in-place beam body is arranged on the described longeron down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100416549A CN101148861A (en) | 2007-06-06 | 2007-06-06 | Beret truss type hanging basket and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100416549A CN101148861A (en) | 2007-06-06 | 2007-06-06 | Beret truss type hanging basket and assembling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101148861A true CN101148861A (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100416549A Pending CN101148861A (en) | 2007-06-06 | 2007-06-06 | Beret truss type hanging basket and assembling method thereof |
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| CN (1) | CN101148861A (en) |
Cited By (24)
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| CN101586330B (en) * | 2008-05-22 | 2011-01-26 | 中铁十一局集团第一工程有限公司 | Receding construction method of cradle of continuous girder bridge made of prestressing concrete |
| CN102168412A (en) * | 2011-03-15 | 2011-08-31 | 广东水电二局股份有限公司 | Cradle and method for dam elevation construction by using same |
| CN102373674A (en) * | 2011-11-30 | 2012-03-14 | 浙江省交通工程建设集团有限公司第二分公司 | Triangular hanging basket traveling device |
| CN102373673A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Bridge construction rolling shaft hanging basket across railway existing line and use method thereof |
| CN102926330A (en) * | 2012-11-27 | 2013-02-13 | 吴云 | Installation method of hanging basket suitable for bridge construction |
| CN103352417A (en) * | 2013-07-26 | 2013-10-16 | 重庆交通大学 | Prestressed concrete variable cross-section box girder bridge, movable suspended scaffolding and construction method of prestressed concrete variable cross-section box girder bridge |
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| CN104250952A (en) * | 2013-06-28 | 2014-12-31 | 宏润建设集团股份有限公司 | Hanging basket for bridge erection and assembly method thereof |
| CN104631333A (en) * | 2015-01-29 | 2015-05-20 | 中铁港航局集团有限公司 | Moving hanger frame and method for small cross beam, small longitudinal beam and bridge deck slab cast-in-situ construction of arch bridge |
| CN105839538A (en) * | 2016-04-29 | 2016-08-10 | 贵州桥梁建设集团有限责任公司 | Construction method and structure for rigid frame bridge cast-in-situ section non-welded support |
| CN105839549A (en) * | 2016-05-20 | 2016-08-10 | 中国水利水电第十工程局有限公司 | Truss type cantilever construction hanging basket |
| CN107747399A (en) * | 2017-11-10 | 2018-03-02 | 湖南联智智能科技有限公司 | A kind of Hanging Basket running gear and its method of work |
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| CN113858347A (en) * | 2021-11-02 | 2021-12-31 | 烟台博海木工机械有限公司 | A prevent down mechanism and vertical side of piecing together machine for side of piecing together machine |
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| CN101586330B (en) * | 2008-05-22 | 2011-01-26 | 中铁十一局集团第一工程有限公司 | Receding construction method of cradle of continuous girder bridge made of prestressing concrete |
| CN102168412A (en) * | 2011-03-15 | 2011-08-31 | 广东水电二局股份有限公司 | Cradle and method for dam elevation construction by using same |
| CN102373673A (en) * | 2011-11-24 | 2012-03-14 | 中铁二十一局集团有限公司 | Bridge construction rolling shaft hanging basket across railway existing line and use method thereof |
| CN102373674A (en) * | 2011-11-30 | 2012-03-14 | 浙江省交通工程建设集团有限公司第二分公司 | Triangular hanging basket traveling device |
| CN102926330A (en) * | 2012-11-27 | 2013-02-13 | 吴云 | Installation method of hanging basket suitable for bridge construction |
| CN104250952A (en) * | 2013-06-28 | 2014-12-31 | 宏润建设集团股份有限公司 | Hanging basket for bridge erection and assembly method thereof |
| CN103352417B (en) * | 2013-07-26 | 2015-09-09 | 重庆交通大学 | Prestressed concrete variable section box girder bridge, hanging basket and construction method thereof |
| CN103352417A (en) * | 2013-07-26 | 2013-10-16 | 重庆交通大学 | Prestressed concrete variable cross-section box girder bridge, movable suspended scaffolding and construction method of prestressed concrete variable cross-section box girder bridge |
| CN103498559A (en) * | 2013-10-11 | 2014-01-08 | 四川省第四建筑工程公司 | Splicing movable bridge frame of steel structure industrial factory building and construction method for applying splicing movable bridge frame to roof construction |
| CN104631333A (en) * | 2015-01-29 | 2015-05-20 | 中铁港航局集团有限公司 | Moving hanger frame and method for small cross beam, small longitudinal beam and bridge deck slab cast-in-situ construction of arch bridge |
| CN104631333B (en) * | 2015-01-29 | 2017-01-04 | 中铁港航局集团有限公司 | Arch bridge needle beam, stringer and floorings cast-in-place construction travelling bridge and method |
| CN105839538A (en) * | 2016-04-29 | 2016-08-10 | 贵州桥梁建设集团有限责任公司 | Construction method and structure for rigid frame bridge cast-in-situ section non-welded support |
| CN105839549A (en) * | 2016-05-20 | 2016-08-10 | 中国水利水电第十工程局有限公司 | Truss type cantilever construction hanging basket |
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| CN107747399B (en) * | 2017-11-10 | 2023-06-02 | 湖南联智智能科技有限公司 | Hanging basket walking system and working method thereof |
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