CN209521066U - A kind of precast beam steam curing canopy - Google Patents

Abstract

A kind of precast beam steam curing canopy, shed include closed canopy body and the steam curing device that is arranged in canopy body；The closed canopy body includes the top frame being arranged in above precast beam and the flexible material layer that four side of precast beam and top surface is arranged in；When storage, the flexible material layer of four side of precast beam is scrolled up around being cylindrical in shape and be correspondingly connected with the surrounding in top frame；When opening, the flexible material layer of four side of precast beam is opened downwards in the form of sheets and is hung down and is located on working face.The utility model is designed using roller shutter type and without pillar construction, and existing all bridge precast beam covering sunshade maintenances, the condition including vapour seal maintenance can be met, with installation, convenient disassembly, store place it is small, convenient for leaving concentratedly, the features such as structure is reliable, protection effect is good, safety and environmental protection；And simple structure it is practical, manufacture and maintenance cost it is low while, largely saved cost of labor and labor intensity, integral manufacturing and maintenance cost are low.

Description

A kind of precast beam steam curing canopy

Technical field

The utility model relates to the realm of building construction, especially a kind of apparatus for concrete member curing device.

Background technique

Currently, Bridges in Our Country construction, in high speed development, bridge superstructure is using precast beam production, fabricated construction Method it is more universal, the turnover rate and production efficiency in prefabricated place can be improved in the factorial production, mostly uses steam curing, adds Lid steam canopy is the key that improve health efficiency.In steam curing in addition to steam generation facility has boiler or steam generator, envelope The production of the canopy shape structure of enclosed, peace tear open, safeguard etc. be the technique key point.When factory for prefabrication is established at scene, by field , there is production, storage and cost of steam curing canopy etc. in the limitation of the conditions such as ground.

Traditional health-preserving method mainly includes three kinds:

1, directly cover closed craft using exoskeletal, i.e., by component, using covering, all covering is closed, this Kind method is suitable for small-sized prefabricated member, is difficult to meet the requirement of large-scale precast beam construction operating condition, is not suitable for large scale prefabricated box The closing health of beam；Moreover, covering is easily damaged, safeguards that alternative costs are relatively high after damage, be easy to produce gas leak phenomenon, no Convenient for energy conservation and environmental protection；Secondly, covering from great, is not easy to cover and store, cost of labor is higher, and labor intensity is larger.

2, the closed greenhouse craft of full skeleton (column+ceiling structure)+covering, the envelope suitable for large-scale component Health is closed, but its production and maintenance cost are high；Dead load is big, volume is big, dismounts higher cost, takes up a large area；It is taking If after, protection effect is poor, needs the place of larger area for storing and safeguarding.

3, using workshop formula heat and moisture preserving craft, applicability need to build large-sized workshop than wide, cost pole It is high；For the more demanding of place and auxiliary facility, and general field construction scene is unable to satisfy condition.

Utility model content

The purpose of the utility model is to provide a kind of precast beam steam curing canopies, to solve conventional vapor craft cost Height, the inconvenient technical problem of production, maintenance.

To achieve the above objectives, the present invention adopts the following technical solutions:

A kind of precast beam steam curing canopy, including closed canopy body and the steam curing device being arranged in canopy body；It is described Closed canopy body includes the top frame being arranged in above precast beam and the flexible material that four side of precast beam and top surface is arranged in The bed of material；When storage, the flexible material layer of four side of precast beam is scrolled up around being cylindrical in shape and be correspondingly connected with the surrounding in top frame； When opening, the flexible material layer of four side of precast beam is opened downwards in the form of sheets and is hung down and is located on working face.

The top frame includes at least one frame unit, and adjacent frame unit is in long successively split upwards；It can be with Temporary spacing connection is carried out by connecting plate, fastener etc..

The frame unit includes upper frame and bracket disposed in parallel and is vertically connected on upright bar between the two；It is described Upper frame is the grid-like framework structure being spliced by main joist and secondary joist, is successively laid with top plate and flexible material on upper frame Layer；The bracket is rectangular frame structure, branch is located in moulding board of precast beam system.

The frame bottom two sides are symmetrically arranged with locating part, the corresponding top for being connected to template system central post of the locating part On the inside of portion；The locating part is rod piece or pipe fitting, elongated or interval is arranged along the length direction of bracket.

Buffer layer is equipped between the top frame and the contact surface of template system.Alternatively, top frame exists for convenience It is mobile on template system to adjust, it can be equipped with pulley on bracket or locating part and be equipped with self-locking device.

The flexible material layer is that whole block material is laid with；Or flexible material layer be by least one top surface unit, At least two side units and at least two front-side units successively enclose, and the edge joint position between adjacent cells is connected by thread gluing It connects.

The length of the flexible material layer is more than the height of top frame distance from top working face, and the bottom of flexible material layer Portion is equipped with ballast part.

Four sides of the top frame are equipped with one group of limited roller component, and every group of limited roller member parallel interval is set It sets；

The limited roller component includes that overhanging is connected to the suspension scaffold of top frame side, is connected to suspension scaffold overhanging end The roller bearing frame of lower section and the idler wheel being slidably connected on roller bearing frame；The roller bearing frame includes roller bearing and is symmetrically connected to roller bearing Strut between both ends and suspension scaffold.

A pair of of position-limited rack is also connected between the idler wheel and suspension scaffold, and idler wheel and roller bearing are coaxial；The position-limited rack is in U Shape, U-lag position support are connected to the overhanging end of suspension scaffold in lower section, the upper end of idler wheel.

The position that limited roller component is corresponded in the top frame is equipped with cinch cord, and the cinch cord is located at flexible material Layer inside and length are more than flexible material layer bottom；When storage, cinch cord lower end successively bypasses flexible material layer and corresponding limit Position roll wheel assembly；When opening, cinch cord lowering is on the inside of flexible material layer.

Four sides of the top frame are equipped with one group of hook, and the hook end is connect by lanyard with top frame； When storage, hook bypasses the flexible material layer of winding and is articulated on limited roller component；When opening, hook hang down be located at it is soft Property material layer on the inside of.

Compared with prior art the utility model have the characteristics that and the utility model has the advantages that

The precast beam steam curing canopy of the utility model solves exoskeletal covering health tarpaulin large labor intensity, rapid wear Problem bad, effect is poor, solves the closed shed production of full skeleton and maintenance cost is high, and peace tears open, stores place demand Greatly, the problem of protection effect difference solves the problems, such as that workshop formula heat and moisture preserving health is at high cost., peace small with labor intensity is torn open Conveniently, storage occupied area is small convenient for the characteristics of leaving concentratedly, and protection effect is good, has preferable economy and safety.

The precast beam steam curing canopy of the utility model can meet existing institute using roller shutter type design and without pillar construction Have bridge precast beam covering sunshade maintenance, including vapour seal maintenance condition, have installation, convenient disassembly, storage place it is small, Convenient for leaving concentratedly, the features such as structure is reliable, protection effect is good, safety and environmental protection；And simple structure it is practical, manufacture and maintenance While expense is low, largely saved cost of labor and labor intensity, integral manufacturing and maintenance cost are low, have compared with High economic benefit.

The difference of the application and existing disclosed shed:

1, the utility model carries out modularized design and production according to the specific size of precast beam unit, and skeleton is using " just It is soft " mode that combines, conventional greenhouse column is eliminated, the top frame of awning need to be only made, it will not occupied space；And And keel processing, type of attachment, can be adjusted according to different component and operating condition, segmentation module processing and fabricating is taken, for The beam type of different length need to only increase or decrease module.

2, the utility model uses top frame, the design of two sides flexible no-skeleton, complete setting, and side uses can roller shutter Formula flexible material, the structure that fixed, cinch cord is tightened in conjunction with hook, the cost of labor and labor intensity of workers substantially reduced.

3, the utility model en-block construction intensity is high, light-weight, is easy to lift；Another shed module is designed by standard, energy Laminated multi-layer, storage safety, can save construction site at occupied area very little.

Although 4, the utility model is using modularized design, using thread gluing connection closing, closing between tarpaulin when combining Property it is good, remove separating rate it is fast, crucial damageable zone has obtained preferable protection, and canvas spoilage is small, and maintenance cost is lower.

Detailed description of the invention

The utility model is described in more detail with reference to the accompanying drawing.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the utility model opening procedure.

Fig. 3 is the completely open structural schematic diagram of the utility model.

Fig. 4 is the structural schematic diagram of the utility model top frame.

Fig. 5 is the horizontal spreading structural schematic diagram of the utility model flexible material layer.

Fig. 6 is the structural schematic diagram of the utility model limited roller component.

Appended drawing reference: 1-top frame, 11- upper frame, 12- bracket, 13- upright bar, 14- top plate, 15- locating part, 2- limit Roll wheel assembly, 21- idler wheel, 22- suspension scaffold, 23- roller bearing frame, 24- position-limited rack, 3- flexible material layer, the top surface 31- unit, the side 32- Face unit, 33- front-side unit, 4- thread gluing, 5- hook, 6- cinch cord, 7- ballast part, 8- steam curing device, 9- precast beam, 10- template system.

Specific embodiment

Embodiment is shown in Figure 1, this precast beam steam curing canopy, including closed canopy body and is arranged in canopy body Steam curing device 8；The closed canopy body includes that the top frame 1 of 9 top of precast beam is arranged in and is arranged in precast beam The flexible material layer 3 of four sides and top surface.Top frame 1 and precast beam size are adapted.The steam curing device includes putting Set the steam curing pipeline below precast beam.

Shown in Figure 1, when storage, the flexible material layer 3 of four side of precast beam is scrolled up around being cylindrical in shape and be correspondingly connected with The surrounding of top frame 1.

Shown in Figure 2, when opening, the flexible material layer 3 of four side of precast beam, which is opened downwards in the form of sheets and hung down, is located at work On face.

Shown in Figure 4, the top frame 1 includes that a framing unit is spliced upwards in length；The frame list Member includes upper frame 11 disposed in parallel and bracket 12 and is vertically connected on upright bar 13 between the two；The upper frame 11 is by leading The grid-like framework structure that keel and secondary joist are spliced successively is laid with top plate 14 and flexible material layer 3 on upper frame 11；Institute Bracket 12 is stated to be located in moulding board of precast beam system for rectangular frame structure, branch；12 two sides of the bottom of bracket are symmetrically arranged with limit Part 15, the corresponding inside top for being connected to 10 central post of template system of the locating part；The locating part 15 is rod piece or pipe Part, along bracket 12 length direction it is elongated or interval be arranged.In this example, locating part 15 be square steel, size be suitable for, It can also be substituted with other fashioned iron.Before precast beam external mold is not yet removed, the winding of flexible material layer 3 is fixed at the top of external mold column, To prevent from breakking away at the top of top frame, locating part is set, top frame limitation is fixed on template system.

Frame unit is welded using common square steel, angle steel, and top plate is galvanized iron sheet or aluminium coiled material, to frame unit It is closed.In this example, the frame unit is made of the larger square steel production frame of size by precast beam size, according to prefabricated The width and length of beam, calculate frame unit size, wherein using 10 × 5cm, wall thickness is the square steel of 5mm as main joist, 4 × 2cm, wall thickness are 2.5mm square steel as secondary joist, and for primary and secondary skeletal frame using welding, top plate is 0.2~0.3mm sheet iron, is used Self-tapping screw is fixed at the top of top frame.

The length of frame unit is depending on precast beam total length, is 4~6m, such as: precast beam design length is 30m, then frame unit length direction can be designed as 5m along precast beam length direction, top frame uses 7 frame lists Member, wherein interlude is 5 pieces, covers 25m, and each frame unit in end covers 2.5m more than needed behind end, tears open as inner membrance It removes, the working space of the processes such as steel strand tension.

Buffer layer is equipped between the top frame 1 and the contact surface of template system.It can more preferably guarantee template system not It will receive damage.

Referring to shown in Fig. 3, Fig. 5, the flexible material layer 3 is that whole block material is laid with；Or flexible material layer 3 be by At least one top surface unit 31, at least two side units 32 and at least two front-side units 33 successively enclose, adjacent cells Between edge joint position connected by thread gluing 4.

By taking single frame unit as an example, including 31, two side units 32 of a top surface unit and former and later two fronts Unit 33, shown in Figure 3, wherein top surface unit and side units are overall structures, and a front-side unit 33 is spliced by two pieces Made of, facilitate personnel to enter operation, edge joint position is closed with thread gluing and connected.It, can since canvas is all made of modularized design Side canvas is rolled in any one segmentation of selection, time saving and energy saving, is constructed very convenient.When multiple frame units, flexible material layer 3 It is successively bonded upwards long.

The length of the flexible material layer 3 is more than the height of top frame distance from top working face, and flexible material layer 3 Bottom is equipped with ballast part 7.It is mainly used for 3 ballast of side flexible material layer, prevents strong wind from blowing afloat, wind resistance effect is good, when wind is larger Can weighting material push down, separately as the lining core rolled up on flexible material layer 3, convenient for furling curtain on flexible material layer 3.In this example.It is flexible The end that material layer 3 falls in ground is sewn into tubulose, and ballast part 7 is penetrated, and winds folding and unfolding and bottom convenient for flexible material layer 3 Ballast closing, wherein ballast part is the steel core pipe of diameter 48mm.

The flexible material layer 3 is the double-deck canvas layer, and internal layer canvas has sealing waterproof layer, and outer layer is plain sail, thick Degree is the every square meter of 1.6kg/, is sewed using cotton thread, and sewing spacing is 20cm, and 3 overlapping region of adjacent flexible material layer is sewed with just Reversed double velcro are as thread gluing 4, and wherein velcro width 4cm, spacing 15m, connect convenient for the closing between module.

Shown in Figure 6, four sides of the top frame 1 are equipped with one group of limited roller component 2, every group of limited roller group The setting of 2 parallel interval of part；The limited roller component 2 includes that overhanging is connected to the suspension scaffold 22 of top frame side, is connected to The idler wheel 21 that suspension scaffold 22 overhangs the roller bearing frame 23 below end and is slidably connected on roller bearing frame 23；The roller bearing frame 23 includes Roller bearing and the strut being symmetrically connected between roller bearing both ends and suspension scaffold.Suspension scaffold 22 is welded on the outside of top frame, length For 40~50cm, linked up in the fixed anti-sideslip fixed pulley of crossbar end and single handle pair.

The position that limited roller component 2 is corresponded in the top frame is equipped with cinch cord 6, and the cinch cord 6 is located at flexibility On the inside of material layer 3 and length is more than flexible material layer bottom；When storage, 6 lower end of cinch cord successively bypasses flexible material layer and right The idler wheel for the limited roller component 2 answered is tensed cinch cord manually by staff and stored；When opening, 6 lowering of cinch cord exists 3 inside of flexible material layer.The cinch cord 6 is the tightrope of diameter 15mm, and three stranded rope is used in this example, and rope made of hemp tension endurance is big In 100kg.5 ropes made of hemp of general each top frame unilateral side outfit, five people operation simultaneously, first part is rolled ballast part 7, will be tightened Across flexible material layer and idler wheel, five people synchronize slowly to roll flexible material layer and above mention rope simultaneously.

In order to guarantee that idler wheel 21 and roller bearing are coaxial, a pair of of position-limited rack is also connected between the idler wheel 21 and suspension scaffold 22 24, play the role of support idler wheel, the position-limited rack 24 is in U-shape, and U-lag position support is connected in lower section, the upper end of idler wheel The overhanging end of suspension scaffold.In this way, being not in idler wheel and rolling when staff tenses cinch cord progress flexible material layer winding The case where axis locking, reduces frictional force, worker is facilitated to construct, more time saving and energy saving.

The idler wheel 21 uses the welding productions such as round steel, steel pipe, has structure simple, solid reliable, can prevent cinch cord It breaks away, safeguards the advantages that simple.In this example, idler wheel 21 is the short steel pipes of internal diameter 35mm, and roller bearing is the round steel of diameter 25mm, strut For the round steel of diameter 12mm, position-limited rack is the round steel of diameter 12mm.Convenient for gathering materials on the spot, the common idler wheel is overcome to break away, card wheel Problem takes side to limit measure, and structure is simply easy to use, non-maintaining.

Four sides of the top frame 1 are equipped with one group of hook 5, and 5 ends of the hook are connected by lanyard and top frame It connects；Lanyard is the tightrope of diameter 12mm, uses the rope made of hemp in this example.When storage, hook 5 around winding flexible material layer, simultaneously It is articulated on limited roller component 2；When opening, hook 5, which hangs down, is located at 3 inside of flexible material layer.The hook can be hung to be unidirectional Hook or double-head hanger are double-head hanger in this example, and it is more convenient to mount more secured and use.It is mainly used for fixed volume The flexible material layer 3 risen is easy for staff using the purpose of double-head hanger and props up the hook head of side using self-control strut Double-head hanger is lifted, other side hook head is hung on suspension scaffold, just fixation finishes flexible material layer 3, in addition, lanyard length It depends on the circumstances, the canvas that will wind up is fixed on suitable location.

The construction method of the utility model precast beam steam curing canopy, the specific steps are as follows:

Step 1, according to the size and quantity of precast beam Design of length frame unit: precast beam design length is 30m, So along precast beam length direction, frame unit length direction can be designed as 5m, and top frame uses 7 frame units, Middle interlude is 5 pieces, covers 25m, and each frame unit in end covers 2.5m more than needed behind end, is removed as inner membrance, steel twists The working space of the processes such as line tensioning.

Step 2, by flexible material layer correspond to it is blocking be laid on frame unit, formed finished unit: wherein each frame One top surface unit of unit matching, two side units, three are a monolith flexible materials；The frame unit of rear and front end is in addition Equipped with front-side unit, a wherein at least front-side unit be combined by two blocks of flexible materials, and be integrated with top surface unit or The setting of person's piecemeal is bonded by thread gluing；Side units and front-side unit are wound on frame unit side and solid by hook 5 Fixed, cinch cord end bypasses flexible material and idler wheel at this time.

Each finished unit is lifted on template system and along the length of precast beam to successively splicing: can be with by step 3 It is first lifted with hanging apparatus and is finely adjusted to general location, again by pulley；Adjacent finished unit, between frame unit It is temporarily connected by connector, the piece between the top surface unit of flexible material layer passes through the elongated closing of thread gluing.

Step 4 removes hook, and the personnel that work at the same time hold the cinch cord 6 of side units and slowly loosen, until flexible material The bed of material is opened.

Step 5, flexible material layer fully opens, arranges gap between ballast part one end and working face, guarantees good Sealing.

Step 6, the piece between the side units of flexible material layer pass through the elongated closing of thread gluing.

Step 7 repeats when staff being waited to operate completion, exit shed Step 4: step 5, complete by front-side unit It is complete to open, and closed all pieces between front-side unit and side units by thread gluing.

Step 8 opens steam curing device, carries out prefabricated girder steam curing.

Step 9, after the completion of health, being collected in winding manner flexible material layer: opening thread gluing, using ballast part by flexible material layer Be wound to certain altitude, by cinch cord pass through corresponding idler wheel, staff hold cinch cord end, at the uniform velocity pulling cinch cord, It is wound to around frame unit to flexible material layer, at this point, hook is articulated on suspension scaffold around flexible material layer, completes flexible The storage of material layer.It can successively be stored according to front-side unit, the sequence of side units.

Step 10 by the lifting of frame unit piecemeal, moves away from scene: if there is connection between frame unit, first removing frame Connection between frame unit, then lifted；If it is limited to lift space, one of frame unit can be first lifted, other After frame unit is successively moved to the position by pulley, then lifted.

Claims (10)

1. a kind of precast beam steam curing canopy, including closed canopy body and the steam curing device (8) being arranged in canopy body；It is special Sign is: the closed canopy body include be arranged in top frame (1) above precast beam and setting four side of precast beam with And the flexible material layer (3) of top surface；

When storage, the flexible material layer (3) of four side of precast beam is scrolled up around being cylindrical in shape and be correspondingly connected in top frame (1) Surrounding；

When opening, the flexible material layer (3) of four side of precast beam is opened downwards in the form of sheets and is hung down and is located on working face.

2. precast beam steam curing canopy according to claim 1, it is characterised in that: the top frame (1) includes at least One frame unit, adjacent frame unit is in long successively split upwards；

The frame unit includes upper frame disposed in parallel (11) and bracket (12) and is vertically connected on upright bar between the two (13)；

The upper frame (11) is the grid-like framework structure being spliced by main joist and secondary joist, and upper frame is successively laid on (11) Top plate (14) and flexible material layer (3)；

The bracket (12) is rectangular frame structure, branch is located in moulding board of precast beam system.

3. precast beam steam curing canopy according to claim 2, it is characterised in that: bracket (12) two sides of the bottom are symmetrical Equipped with locating part (15), the corresponding inside top for being connected to template system central post of the locating part；

The locating part (15) is rod piece or pipe fitting, elongated or interval is arranged along the length direction of bracket (12).

4. precast beam steam curing canopy according to claim 2 or 3, it is characterised in that: the top frame (1) and template Buffer layer is equipped between the contact surface of system.

5. precast beam steam curing canopy according to claim 1, it is characterised in that: the flexible material layer (3) is monolith Material-paving forms；

Or flexible material layer (3) is by least one top surface unit (31), at least two side units (32) and at least two A front-side unit (33) successively encloses, and the edge joint position between adjacent cells is connected by thread gluing (4).

6. precast beam steam curing canopy according to claim 5, it is characterised in that: the length of the flexible material layer (3) More than the height of top frame distance from top working face, and the bottom of flexible material layer (3) is equipped with ballast part (7).

7. precast beam steam curing canopy according to claim 1, it is characterised in that: four sides of the top frame (1) are equal Equipped with one group of limited roller component (2), every group of limited roller component (2) parallel interval setting；

The limited roller component (2) includes that overhanging is connected to the suspension scaffold (22) of top frame side, is connected to suspension scaffold (22) idler wheel (21) for overhanging the roller bearing frame (23) below end and being slidably connected on roller bearing frame (23)；

The roller bearing frame (23) includes roller bearing and the strut that is symmetrically connected between roller bearing both ends and suspension scaffold.

8. precast beam steam curing canopy according to claim 7, it is characterised in that: the idler wheel (21) and suspension scaffold (22) Between be also connected with a pair of of position-limited rack (24), and idler wheel (21) and roller bearing are coaxial；

The position-limited rack (24) is in U-shape, and U-lag position support is connected to the overhanging end of suspension scaffold in lower section, the upper end of idler wheel.

9. precast beam steam curing canopy according to claim 1, it is characterised in that: corresponding limit rolling in the top frame The position of wheel assembly (2) is equipped with cinch cord (6), and the cinch cord (6) is located on the inside of flexible material layer (3) and length is more than soft Property material layer bottom；

When storage, cinch cord (6) lower end successively bypasses flexible material layer and corresponding limited roller component (2)；

When opening, cinch cord (6) lowering is on the inside of flexible material layer (3).

10. precast beam steam curing canopy according to claim 1, it is characterised in that: four sides of the top frame (1) are equal Equipped with one group of hook (5), hook (5) end is connect by lanyard with top frame；

When storage, hook (5) bypasses the flexible material layer of winding and is articulated on limited roller component (2)；

When opening, hook (5), which hangs down, to be located on the inside of flexible material layer (3).