CN103774557A - Variable-width movable construction platform - Google Patents
Variable-width movable construction platform Download PDFInfo
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- CN103774557A CN103774557A CN201410028601.3A CN201410028601A CN103774557A CN 103774557 A CN103774557 A CN 103774557A CN 201410028601 A CN201410028601 A CN 201410028601A CN 103774557 A CN103774557 A CN 103774557A
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- brace
- upper chord
- luffing
- bridging piece
- operation platform
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Abstract
The invention provides a variable-width movable construction platform and relates to the field of bridge engineering construction. The variable-width movable construction platform comprises at least two variable-width triangular trusses, a panel is laid on the variable-width triangular trusses, at least one cantilever plate is arranged on the panel, each variable-width triangular truss comprises an upper chord, a first diagonal and a second diagonal, the two ends of the second diagonal are respectively and movably connected with the front end of the first diagonal and the upper chord, a vertical bar is arranged between the first diagonal and the upper chord, a hydraulic brace bar is arranged between the second diagonal and the upper chord, telescopic mechanisms are respectively arranged on the second diagonal and the upper chord, and the second diagonal and the upper chord can extend and retract along the axial direction of the upper chord under the effect of the telescopic mechanisms. Since the telescopic mechanisms are arranged and the second diagonal and the upper chord are connected through a pin, by disassembling and assembling the pin, changing the structure system and extending or shortening bar members, the width change of the construction platform can be realized. The variable-width movable construction platform has the advantages that the demands of construction environments with greater width change can be met, the application scope is wide, the construction progress is improved and the construction cost is reduced.
Description
Technical field
The present invention relates to Bridge Construction field, is specifically a kind of luffing packaged type operation platform.
Background technology
Along with the development of design means and design concept, bridge construction development is also advanced by leaps and bounds, bridge construction has simultaneously expanded its envelop of function, the function that bridge is attractive in appearance is more and more subject to people's attention, even some bridge design object by landscape design pendulum in consequence very, and then constantly bring forth new ideas landscape feature is dissolved in bridge design, cause bridge construction novel gradually, for example Longspan Bridge king-tower just becomes space four limbs structure by common two limb structural development, the variation of king-tower line style develops into shaped form by linear, along with variation highly, plan range between the four limbs of king-tower is also along with variation.
While adopting the construction of fixed operation platform, constructor cannot arrive king-tower four limbs, multiple fixed operation platforms need to be set simultaneously and could meet construction requirement, cause construction speed slowly and construction cost higher.Therefore, adopt conventional fixed operation platform can not adapt to the variation demand on king-tower space structures.
Summary of the invention
For the defect existing in prior art, the object of the present invention is to provide a kind of luffing packaged type operation platform.On amplitude variation type English truss rod member, telescoping mechanism is set, by rod member elongate or shorten the luffing in implementation platform plane, improve construction speed, reduce construction cost.
For reaching above object, the technical scheme that the present invention takes is: a kind of luffing packaged type operation platform, comprise at least two amplitude variation type English trusses, on described amplitude variation type English truss, be equipped with panel, at least one block of bridging piece is set on described panel, described amplitude variation type English truss comprises upper chord, the first brace and the second brace, the two ends of described the second brace respectively with the front end of the first brace, upper chord is flexibly connected, between described the first brace and upper chord, be provided with montant, between described the second brace and upper chord, be provided with hydraulic pressure strut, on described the second brace and upper chord, be equipped with telescoping mechanism, described the second brace and upper chord are under the effect of telescoping mechanism, along the axial stretching of upper chord.
On the basis of technique scheme, the middle part of described bridging piece is hinged on panel.
On the basis of technique scheme, the upper surface of described panel is provided with at least one half ball pivot, and described bridging piece bottom surface is provided with the guide rail matching with described half ball pivot, and described bridging piece is hinged by guide rail and hemisphere.
On the basis of technique scheme, one end of described bridging piece is anchored on described panel.
On the basis of technique scheme, described guide rail is along the axial setting of described bridging piece.
On the basis of technique scheme, between the guide rail both sides of described bridging piece bottom surface and main longitudinal grider, be provided with stiffener.
On the basis of technique scheme, described montant is provided with two, and one end of described two montants is fixedly mounted on respectively the two ends of the first brace, and the other end of two montants is fixedly mounted on respectively on upper chord, between described two montants, is provided with diagonal web member.
On the basis of technique scheme, the two ends of described the second brace are that bearing pin is connected with the front end of the first brace, the mode that upper chord is flexibly connected respectively.
On the basis of technique scheme, the terminal horizontal of described upper chord is fixedly mounted on building, the end of described the first brace is fixedly mounted on building, the two ends of described the second brace are connected with the front end of the first brace, the front end bearing pin of upper chord respectively, described montant is vertically mounted between the first brace and upper chord, and described upper chord, the first brace, the second brace and montant form stable triangular structure.
Beneficial effect of the present invention is:
1, owing to being equipped with telescoping mechanism on the second brace of amplitude variation type English truss and upper chord, and between the second brace and upper chord for bearing pin connects, by disassembling and assembling pin shaft, change structure system, then realized the luffing of operation platform by elongating or shortening of rod member.Can meet the construction environment that changes in amplitude is larger, applied widely, do not need multiple operation platforms are set, improve construction speed, reduce construction cost.
2,, because bridging piece and panel are for being articulated and connected, therefore bridging piece can rotate with respect to panel, then by anchor beam anchoring, further realized the plane luffing of operation platform.
3, because bridging piece and panel are that hemisphere is hinged, therefore bridging piece can rotate and stretching motion with respect to panel, the adjustable length of stretching out amplitude variation type English truss of bridging piece, regulate the angle of plane by rotation simultaneously, the plane luffing of having realized operation platform, is specially adapted to the construction environment that changes in amplitude is large.
4, because the two ends of the second brace are connected with the first brace, upper chord bearing pin respectively; Bridging piece is anchored on panel.Therefore convenient disassembly, cost-saving.
5, owing to being provided with diagonal web member and stiffener, therefore improved stability and the degree of safety of operation platform.
6, amplitude variation type English truss is connected with support (or building) by bearing pin, has realized the movement on the podium level of operation platform by tower crane (or other lifting means).
Accompanying drawing explanation
Fig. 1 is the schematic diagram before luffing packaged type operation platform luffing;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the schematic diagram after luffing packaged type operation platform luffing;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the schematic diagram of amplitude variation type English truss;
Fig. 6 is the schematic diagram of bridging piece;
Fig. 7 is amplitude variation type English truss amplitude changing process schematic diagram A;
Fig. 8 is amplitude variation type English truss amplitude changing process schematic diagram B;
Fig. 9 is amplitude variation type English truss amplitude changing process schematic diagram C;
Figure 10 is bridging piece amplitude changing process schematic diagram;
Reference numeral:
1-amplitude variation type English truss; 11-upper chord; 12-the second brace; 13-the first brace; 14-montant; 15-hydraulic pressure strut; 16-diagonal web member; 17-telescoping mechanism; 18-bearing pin;
2-bridging piece; 21-guide rail; 22-stiffener; 23-railing; 24-crossbeam; 25-main longitudinal grider;
3-panel; 31-half ball pivot; 32-anchor beam.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1 to 4, a kind of luffing packaged type operation platform, comprises three amplitude variation type English trusses 1, and the top of described amplitude variation type English truss 1 is linked to be entirety by crossbeam, lays panel on crossbeam, and two strip bridging pieces 2 are set on described panel 3.
The middle part of described bridging piece 2 is hinged on panel 3, and one end of described bridging piece 2 is anchored on panel 3 by anchor beam 32; Remove after the anchor connection of bridging piece 2, regulate the angle between bridging piece 2 and panel 3 by rotating bridging piece 2;
Preferably, the upper surface of described panel 3 is provided with half ball pivot 31, and described bridging piece 2 bottom surfaces are provided with the guide rail 21 matching with described half ball pivot 31, and described bridging piece 2 is connected with half ball pivot 31 by guide rail 21, and one end of described bridging piece 2 is anchored on panel 3 by anchor beam 32; Remove after the anchor connection of bridging piece 2, not only can regulate the angle between bridging piece 2 and panel 3, the length that can also stretch out amplitude variation type English truss 1 by the slidable adjustment bridging piece 2 between the guide rail 21 of bridging piece 2 bottom surfaces and half ball pivot 31 by rotating bridging piece 2.
Described amplitude variation type English truss 1 comprises upper chord 11, the first brace 13 and the second brace 12, the two ends of described the second brace 12 are flexibly connected with the first brace 13, upper chord 11 respectively, between described the first brace 13 and upper chord 11, be provided with montant 14, between described the second brace 12 and upper chord 11, be provided with hydraulic pressure strut 15, on described the second brace 12 and upper chord 11, be equipped with telescoping mechanism 17, elongate or shorten the luffing in implementation platform plane by rod member; The both sides of described bridging piece 2 and panel 3 are respectively equipped with railing, and amplitude variation type English truss 1 is connected with support (or building) by bearing pin 18, by the movement on tower crane (or other lifting means) implementation platform height.
As shown in Figure 1 and Figure 5, amplitude variation type English truss 1 comprises upper chord 11, the first brace 13, the second brace 12, diagonal web member 16, two montants 14 and hydraulic pressure struts 15, the end of the end of described upper chord 11 and the first brace 13 is connected with support (or building) by bearing pin 18 respectively, and the two ends of described the second brace 12 are connected with the front end of upper chord 11, the front end of the first brace 13 by bearing pin 18 respectively; One end of described two montants 14 is fixedly mounted on respectively the two ends of the first brace 13, and the other end of two montants 14 is fixedly mounted on respectively on upper chord 11, and the two ends of described diagonal web member 16 are fixedly mounted on respectively on two montants 14; One end of described hydraulic pressure strut 15 is arranged on the middle-end of the second brace 12, and the other end of hydraulic pressure strut 15 is arranged on upper chord 11; Described the second brace 12 forms by two different rod members of cross-sectional sizes with upper chord 11, the side of described the second brace 12 and upper chord 11 is provided with hydraulic power unit, and described the second brace 12 and upper chord 11 pass through the effect of hydraulic power unit along the axial stretching of upper chord 11.
Described upper chord 11, the first brace 13, the second brace 12, diagonal web member 16, two montants 14 and hydraulic pressure strut 15 are all on same upright plane, and upper chord 11, the first brace 13, diagonal web member 16 and two montants 14 form a stable trussed construction system.
As shown in Figure 6, bridging piece 2 is made up of two main longitudinal griders 25, guide rail 21, crossbeam 24 and railing 23, crossbeam 24 is arranged on two main longitudinal griders 25, railing 23 is arranged on crossbeam 24 both sides, guide rail 21 is semi arch steel pipe, pipe diameter matches mutually with half ball pivot 31 external diameters, and stiffener 22 is welded between guide rail 21 both sides and main longitudinal grider 25 of bridging piece 2 bottom surfaces, guide rail 21 is carried out to part and strengthen.
The luffing operation of amplitude variation type English truss 1 is as follows:
As shown in Figure 7, remove the bearing pin 18 being connected between upper chord 11 and the second brace 12, the length of the telescoping mechanism 17 by adjusting upper chord 11 front ends, makes upper chord 11 extend forward a segment distance.
As shown in Figure 8, by the angle between length control the second brace 12 and the upper chord 11 of adjusting hydraulic pressure strut 15, make the center line of the second brace 12 aim at the pin-and-hole of upper chord 11 front ends.
As shown in Figure 9, by regulating the length of the telescoping mechanism 17 on the second brace 12, the length of the second brace 12 is extended, bearing pin 18 is installed after pin-and-hole contraposition, amplitude variation type English truss 1 luffing has operated.
The luffing operation of bridging piece 2 is as follows:
As shown in figure 10, before luffing, first remove the anchor beam 32 of bridging piece 2 rear ends, can Plane Rotation bridging piece 2; Preferably, can realize luffing along the dilatory length that changes bridging piece 2 extending panels 3 of the guide rail of bridging piece 2 bottom surfaces 21, after arriving precalculated position, utilize anchor beam 32 to carry out anchoring to bridging piece 2, bridging piece 2 luffings have operated.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, within these improvements and modifications are also considered as protection scope of the present invention.The content not being described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. a luffing packaged type operation platform, it is characterized in that: comprise at least two amplitude variation type English trusses, on described amplitude variation type English truss, be equipped with panel, at least one block of bridging piece is set on described panel, described amplitude variation type English truss comprises upper chord, the first brace and the second brace, the two ends of described the second brace respectively with the front end of the first brace, upper chord is flexibly connected, between described the first brace and upper chord, be provided with montant, between described the second brace and upper chord, be provided with hydraulic pressure strut, on described the second brace and upper chord, be equipped with telescoping mechanism, described the second brace and upper chord are under the effect of telescoping mechanism, along the axial stretching of upper chord.
2. luffing packaged type operation platform as claimed in claim 1, is characterized in that: the middle part of described bridging piece is hinged on panel.
3. luffing packaged type operation platform as claimed in claim 1, is characterized in that: the upper surface of described panel is provided with at least one half ball pivot, described bridging piece bottom surface is provided with the guide rail matching with described half ball pivot, and described bridging piece is hinged by guide rail and hemisphere.
4. luffing packaged type operation platform as claimed in claim 2 or claim 3, is characterized in that: one end of described bridging piece is anchored on described panel.
5. luffing packaged type operation platform as claimed in claim 3, is characterized in that: described guide rail is along the axial setting of described bridging piece.
6. luffing packaged type operation platform as claimed in claim 3, is characterized in that: between the guide rail both sides of described bridging piece bottom surface and main longitudinal grider, be provided with stiffener.
7. luffing packaged type operation platform as claimed in claim 1, it is characterized in that: described montant is provided with two, one end of described two montants is fixedly mounted on respectively the two ends of the first brace, the other end of two montants is fixedly mounted on respectively on upper chord, between described two montants, is provided with diagonal web member.
8. luffing packaged type operation platform as claimed in claim 1, is characterized in that: the two ends of described the second brace are that bearing pin is connected with the front end of the first brace, the mode that upper chord is flexibly connected respectively.
9. luffing packaged type operation platform as claimed in claim 1, it is characterized in that: the terminal horizontal of described upper chord is fixedly mounted on building, the end of described the first brace is fixedly mounted on building, the two ends of described the second brace are connected with the front end of the first brace, the front end bearing pin of upper chord respectively, described montant is vertically mounted between the first brace and upper chord, and described upper chord, the first brace, the second brace and montant form stable triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028601.3A CN103774557B (en) | 2014-01-22 | 2014-01-22 | A kind of luffing packaged type operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028601.3A CN103774557B (en) | 2014-01-22 | 2014-01-22 | A kind of luffing packaged type operation platform |
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| Publication Number | Publication Date |
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| CN103774557A true CN103774557A (en) | 2014-05-07 |
| CN103774557B CN103774557B (en) | 2015-11-18 |
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| CN201410028601.3A Active CN103774557B (en) | 2014-01-22 | 2014-01-22 | A kind of luffing packaged type operation platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648911A (en) * | 2014-11-25 | 2016-06-08 | 中铁二十局集团有限公司 | Concrete attached type prestress truss support for cast-in-place beam, cover beam and straining beam in bridge construction |
| CN107088271A (en) * | 2017-04-24 | 2017-08-25 | 武汉轻工大学 | Multifunctional fire-fighting lifesaving appliance |
| CN109083428A (en) * | 2018-09-06 | 2018-12-25 | 苏州古镇联盟建筑设计有限公司 | A kind of prefabricated air-conditioning plate supporting apparatus |
| CN110593099A (en) * | 2019-08-12 | 2019-12-20 | 中铁十局集团第五工程有限公司 | Bridge construction support bracket |
| CN113897870A (en) * | 2021-10-15 | 2022-01-07 | 广西路桥工程集团有限公司 | Assembled longitudinal beam, assembled buttress-free support, assembled buttress-free system and design method of assembled longitudinal beam and assembled buttress-free support |
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| KR20100090229A (en) * | 2010-07-01 | 2010-08-13 | (주)지아이에프 | The construction methods for the cantilever slab using half precast panels |
| CN102094392A (en) * | 2011-03-03 | 2011-06-15 | 中铁四局集团第一工程有限公司 | Lower supported hanging basket in bridge construction and application thereof |
| CN202338110U (en) * | 2011-11-29 | 2012-07-18 | 朱卫国 | Supporting structure of truss |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100090229A (en) * | 2010-07-01 | 2010-08-13 | (주)지아이에프 | The construction methods for the cantilever slab using half precast panels |
| CN102094392A (en) * | 2011-03-03 | 2011-06-15 | 中铁四局集团第一工程有限公司 | Lower supported hanging basket in bridge construction and application thereof |
| CN202338110U (en) * | 2011-11-29 | 2012-07-18 | 朱卫国 | Supporting structure of truss |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648911A (en) * | 2014-11-25 | 2016-06-08 | 中铁二十局集团有限公司 | Concrete attached type prestress truss support for cast-in-place beam, cover beam and straining beam in bridge construction |
| CN105648911B (en) * | 2014-11-25 | 2017-11-24 | 中铁二十一局集团有限公司 | Bridge construction Cast-in-situ Beam, bent cap, binder concrete adhesion type prestressed girder support |
| CN107088271A (en) * | 2017-04-24 | 2017-08-25 | 武汉轻工大学 | Multifunctional fire-fighting lifesaving appliance |
| CN107088271B (en) * | 2017-04-24 | 2020-06-23 | 武汉轻工大学 | Multifunctional fire-fighting life-saving device |
| CN109083428A (en) * | 2018-09-06 | 2018-12-25 | 苏州古镇联盟建筑设计有限公司 | A kind of prefabricated air-conditioning plate supporting apparatus |
| CN109083428B (en) * | 2018-09-06 | 2020-11-03 | 苏州古镇联盟建筑设计有限公司 | Temporary supporting device for prefabricated air conditioner plate |
| CN110593099A (en) * | 2019-08-12 | 2019-12-20 | 中铁十局集团第五工程有限公司 | Bridge construction support bracket |
| CN110593099B (en) * | 2019-08-12 | 2021-10-29 | 中铁十局集团第五工程有限公司 | Bridge construction support bracket |
| CN113897870A (en) * | 2021-10-15 | 2022-01-07 | 广西路桥工程集团有限公司 | Assembled longitudinal beam, assembled buttress-free support, assembled buttress-free system and design method of assembled longitudinal beam and assembled buttress-free support |
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| Publication number | Publication date |
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| CN103774557B (en) | 2015-11-18 |
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Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150827 |
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Effective date of registration: 20150827 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Applicant after: Group Co., Ltd., Zhongtie Daqiao Bureau Address before: 430074 Hubei province Wuhan Dongxin East Lake New Technology Development Zone Road SBI Venture Street No. 6 Building 12 layer Applicant before: China Zhongtie Major Bridge Engineering Co., Ltd. |
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