CN110202684A - A kind of prefabricated PC beam molding construction method of Z-shaped - Google Patents
A kind of prefabricated PC beam molding construction method of Z-shaped Download PDFInfo
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- CN110202684A CN110202684A CN201910415840.7A CN201910415840A CN110202684A CN 110202684 A CN110202684 A CN 110202684A CN 201910415840 A CN201910415840 A CN 201910415840A CN 110202684 A CN110202684 A CN 110202684A
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- shaped
- prefabricated
- moulded side
- side panel
- pedestal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a kind of prefabricated PC beam molding construction methods of Z-shaped, comprising: one, the binding prefabricated PC beam steel cage of Z-shaped；Two, the assembled and adjustment prefabricated PC beam molding die of Z-shaped；Three, the prefabricated PC beam steel cage of Z-shaped is lifted；Four, positioning and the locking prefabricated PC beam steel cage of Z-shaped；Five, blanking plate component is installed；Six, cast-in-place concrete forms the prefabricated PC beam of Z-shaped；Seven, the molded prefabricated PC beam of steam curing；Eight, two Z-shaped moulded side panels are overturn, hangs out and steam-cured prefabricated PC beam is completed.Construction process of the present invention is simple, working security is high, two Z-shaped moulded side panels of repeated disassembled and assembled are not needed, vertical position and the horizontal position of the prefabricated PC beam steel cage of Z-shaped can be limited using positioning component, it can be improved the formed precision of the prefabricated PC beam of Z-shaped, guarantee the prefabricated PC beam formed precision of Z-shaped in batch manufactured in batch, provides quality base for assembling building, it is easy to promote and utilize.
Description
Technical field
The invention belongs to prefabricated components technical field of construction, and in particular to a kind of prefabricated PC beam molding construction method of Z-shaped.
Background technique
Currently, used conventional forming molds when the production of prefabricated PC beam, are formed, prefabricated PC by way of cast in situs
There are many structures of beam, such as the prefabricated PC beam of rectangle and the prefabricated PC beam of Z-shaped, in the prefabricated PC beam molding construction of Z-shaped, tradition
Molding die has the following deficiencies: 1, conventional forming molds in-site installation and removes complexity, reduces construction efficiency；2, by Z-shaped
The prefabricated PC beam of type and conventional forming molds are transported together to when the progress steam curing of steam-cured workshop, are needed to start Large-scale Hoisting and are set
It is standby, a large amount of manpower and material resources are consumed, meanwhile, extend the construction period；3, the prefabricated PC beam formed precision of batches of Z-shaped is poor,
It is not easy to the assembling construction of entire fabricated structure；Therefore, it should provide one kind can guarantee in batch the prefabricated PC beam of Z-shaped at
The prefabricated PC beam molding construction method of the Z-shaped of type precision.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that it is pre- to provide a kind of Z-shaped
PC beam molding construction method processed, construction process is simple, and working security is high, does not need two Z-shaped molding sides of repeated disassembled and assembled
Plate can be limited vertical position and the horizontal position of the prefabricated PC beam steel cage of Z-shaped using positioning component, can be improved Z-shaped
The formed precision of prefabricated PC beam guarantees the prefabricated PC beam formed precision of Z-shaped in batch manufactured in batch, provides for assembling building
Quality base, it is easy to promote and utilize.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of Z-shaped prefabricated PC beam molding construction side
Method, mold used by the construction method are the prefabricated PC beam molding die of Z-shaped, the prefabricated PC Liang Chengxingmojubao of Z-shaped
Include shaping base, two Z-shaped moulded side panels being arranged in parallel on the shaping base and setting two Z-shapeds at
Dismountable blanking plate component between type side plate, being provided with for positioning Z-shaped Z-shaped on two Z-shaped moulded side panels
The positioning component of the prefabricated PC beam steel cage of type, the shaping base are internally provided with jet chimney, and the shaping base includes bottom
Inclined rectangular pedestal that portion's rectangular base, one end are connect with the bottom rectangle the middle of the base and with the inclined rectangular pedestal
The top rectangular pedestal of other end connection, the top rectangular pedestal is parallel with the bottom rectangle pedestal, the inclination square
The bottom rectangle pedestal is divided into profiled section bottom rectangle pedestal and non-forming section of bottom rectangle pedestal, the top by shape pedestal
Vertical supporting bar, profiled section bottom rectangle bottom are provided between portion's rectangular base and the non-forming section of bottom rectangle pedestal
Seat, the non-forming section of bottom rectangle pedestal, the inclined rectangular pedestal and the top rectangular pedestal are hollow structure, institute
State profiled section bottom rectangle pedestal, the non-forming section of bottom rectangle pedestal, the inclined rectangular pedestal and the top rectangular
Pedestal all has a top plate；The Z-shaped moulded side panel includes the trapezoidal moulded side panel of chamfer and is connected to the chamfer
The rectangle moulded side panel in trapezoidal moulded side panel upper right side, the blanking plate component include being arranged in the trapezoidal moulded side panel of the chamfer
The first end face sealing plate of one end, the second end face sealing plate for being separately positioned on rectangle moulded side panel both ends and third end face envelope
Plate, between the bottom of the trapezoidal moulded side panel of chamfer and the top plate of the profiled section bottom rectangle pedestal and the rectangle
It is connected by multiple bindiny mechanisms between the bottom of moulded side panel and the top plate of the top rectangular pedestal, it is straight described in two
The top of the trapezoidal moulded side panel in angle is provided with multiple first fasteners along the length direction of the trapezoidal moulded side panel of the chamfer
Structure, the top of two rectangle moulded side panels are provided with multiple second along the length direction of the rectangle moulded side panel and tense
Mechanism, first tensioning mechanism is identical with the structure of second tensioning mechanism, first tensioning mechanism and described second
Tensioning mechanism includes two vertical supporting framves symmetrically laid and the pull rod that two vertical supporting top of the trellis are arranged in, institute
The end of pull rod is stated by being fixedly connected at the top of the first bolt and the vertical supporting frame, is opened at the top of the vertical supporting frame
Equipped with the U-shaped notch clamped for first bolt, the positioning component includes the positioning for positioning vertical stirrup revealed section
Reinforcing bar and the positioning plate being horizontally set at the top of two Z-shaped moulded side panels, be provided on the positioning plate for institute
State the connector of vertical reinforcement exposed junction connection；It is characterized by: the construction method the following steps are included:
Step 1: the binding prefabricated PC beam steel cage of Z-shaped；
Step 2: the assembled and adjustment prefabricated PC beam molding die of Z-shaped, specifically includes the following steps:
Step 201, the lifting shaping base；
The shaping base is lifted to construction site using lifting appliance, and adjusts the horizontal position of the shaping base
It sets, the top plate of the top plate and the top rectangular pedestal that make the profiled section bottom rectangle pedestal keeps horizontality；
Two step 202, lifting Z-shaped moulded side panels；
Using the bindiny mechanism respectively by the bottom of the trapezoidal moulded side panel of the chamfer and profiled section bottom square
It is connected between connection, the bottom of the rectangle moulded side panel and the top plate of the top rectangular pedestal between the top plate of shape pedestal；
Step 3: the lifting prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
Two step 301, overturning Z-shaped moulded side panels, make the top of two Z-shaped moulded side panels be in phase
Mutually separate state, specific operation process are as follows: while multiple adjusting nuts are screwed, as described in multiple connection frames drives
The top of Z-shaped moulded side panel gradually tilts outward, is in the top of two Z-shaped moulded side panels and is located remotely from each other
State；
Step 302, the lifting prefabricated PC beam steel cage of Z-shaped:
Firstly, using lifting appliance by the prefabricated PC beam steel cage of the Z-shaped for binding completion in step 1 from top to bottom
It is placed between two Z-shaped moulded side panels, then, while unscrewing multiple adjusting nuts, under the effect of gravity, institute
The top for stating Z-shaped moulded side panel gradually tilts inwardly, until the Z-shaped moulded side panel and the shaping base are perpendicular
It lays；
Step 4: positioning and the locking prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
The vertical stirrup revealed section of step 401, the positioning prefabricated PC beam steel cage of Z-shaped:
Firstly, installing the pull rod between two vertical supporting framves of opposite laying, and use first spiral shell
Bolt will pre-tighten between the end and support frame as described above of the pull rod；Then, spacer bar is set up on multiple pull rods,
The quantity of the spacer bar is four, and spacer bar described in two of them rides upon on the pull rod of multiple first tensioning mechanisms,
Other two described spacer bar rides upon on the pull rod of multiple second tensioning mechanisms, the axis direction of the spacer bar and institute
The axis direction for stating pull rod is perpendicular；
Step 402, the vertical reinforcement exposed junction for positioning the prefabricated PC beam steel cage of Z-shaped:
Multiple positioning plates are installed at the top of two Z-shaped moulded side panels, and will be on each described positioning plate
Connector is connect one by one with vertical reinforcement exposed junction；
Step 403, the locking prefabricated PC beam steel cage of Z-shaped:
Each described first bolt is finally tightened, realizes the locking of PC beam steel cage prefabricated to the Z-shaped；
Step 5: installation blanking plate component；
Successively first end face sealing plate is fixedly mounted, in rectangle molding side in the trapezoidal moulded side panel one end of the chamfer
Second end face sealing plate and third end face sealing plate is fixedly mounted in board ends respectively, at this point, the shaping base, two Z-shapeds
Moulded side panel, the first end face sealing plate, the second end face sealing plate and third end face sealing plate are collectively formed one and are used for
The Z-shaped of the molding prefabricated PC beam of Z-shaped pours cavity；
Step 6: cast-in-place concrete forms the prefabricated PC beam of Z-shaped；
The Z-shaped into step 5 pours cast-in-place concrete in cavity, realizes the molding of the prefabricated PC beam of Z-shaped；
Step 7: the prefabricated PC beam of Z-shaped that steam curing is molded:
It is laid with heat insulating cloth on the prefabricated PC beam molding die of the Z-shaped and the prefabricated PC beam of molded Z-shaped, it will be described
The air inlet of jet chimney is connected to the outlet pipe of boiler, and steam is continually fed into Xiang Suoshu jet chimney to molded institute
The prefabricated PC beam of Z-shaped to be stated to be conserved, the time for being continually fed into steam is that 5h~7h removes the first end face sealing plate later,
Intensity detection is carried out to the prefabricated PC beam of the Z-shaped in maintenance processes using intensity reisilometer, when intensity reisilometer detects
To the intensity of the prefabricated PC beam of the molded Z-shaped reach demoulding requirement when, remove heat insulating cloth, and execute step 8, when
When the intensity for the prefabricated PC beam of the molded Z-shaped that intensity reisilometer detects is not up to demoulding requirement, to molded
The prefabricated PC beam of the Z-shaped carry out natural curing, until the intensity of the molded prefabricated PC beam of the Z-shaped reaches demoulding and wants
It asks；
Step 8: two Z-shaped moulded side panels of overturning, hang out and the steam-cured prefabricated PC of the Z-shaped are completed
Beam.
The prefabricated PC beam molding construction method of above-mentioned a kind of Z-shaped, it is characterised in that: in step 8, overturn two institutes
Z-shaped moulded side panel is stated, hangs out and the prefabricated PC beam of the steam-cured Z-shaped is completed, specifically includes the following steps:
Step 801 successively removes the first end face sealing plate, the second end face sealing plate and third end face sealing plate；
Step 802 successively removes pull rod, spacer bar and positioning plate:
First bolt and the pull rod are disconnected, pull rod is removed；Later, four spacer bars are removed；Then
By the separated of the connector and vertical reinforcement exposed junction, and remove the positioning plate；
Step 803 screws the adjusting nut, drives the top of the Z-shaped moulded side panel outside by the connection frame
Side gradually tilts, and the top of two Z-shaped moulded side panels is made to be in the state being located remotely from each other；Later, lifting appliance is utilized
The prefabricated PC beam of the steam-cured Z-shaped will be completed to hang out between two Z-shaped moulded side panels.
The prefabricated PC beam molding construction method of above-mentioned a kind of Z-shaped, it is characterised in that: the bindiny mechanism includes fixed peace
Mounting plate on the profiled section bottom rectangle base side or on the top rectangular base side, be mounted on it is described
It door type frame on mounting plate and is mounted on the trapezoidal moulded side panel lateral surface of the chamfer or outside the rectangle moulded side panel
The first connection frame on side, first connection frame include horizon bar and are arranged outside the trapezoidal moulded side panel of the chamfer
Brace between side and the horizon bar or between the rectangle moulded side panel lateral surface and the horizon bar, the water
Adjustment gap, the other end of the horizon bar and the door type frame are provided between the bottom surface of flat bar and the top surface of the door type frame
It is detachably connected by the second bolt and adjusting nut, the waist type passed through for second bolt is offered on the horizon bar
Hole, the length direction of the waist-shaped hole and the trapezoidal moulded side panel of the chamfer are perpendicular.
A kind of prefabricated PC beam molding construction method of above-mentioned Z-shaped, it is characterised in that: the trapezoidal moulded side panel of chamfer
Lateral surface on be horizontally disposed with have for multiple first tensioning mechanisms vertical supporting frame be fixedly mounted first level support frame, institute
State for being horizontally disposed on the lateral surface of rectangle moulded side panel and thering is the vertical supporting frame for multiple second tensioning mechanisms to be fixedly mounted
Two horizontal shores.
The prefabricated PC beam molding construction method of above-mentioned a kind of Z-shaped, it is characterised in that: at least two are provided on the pull rod
A limited block for being used to clamp the spacer bar.
The prefabricated PC beam molding construction method of above-mentioned a kind of Z-shaped, it is characterised in that: the jet chimney includes successively connecting
The logical first segment jet chimney being arranged in the profiled section bottom rectangle pedestal is arranged in the inclined rectangular pedestal
Second segment jet chimney and the third section jet chimney being arranged in the top rectangular pedestal.
A kind of prefabricated PC beam molding construction method of above-mentioned Z-shaped, it is characterised in that: the profiled section bottom rectangle pedestal
Top plate bottom surface on be provided with it is multiple for the first segment jet chimney installation first supports, the inclined rectangular pedestal
Multiple second supports for second segment jet chimney installation, the top of the top rectangular pedestal are provided on the bottom surface of top plate
Multiple third brackets for third section jet chimney installation are provided on the bottom surface of plate.
A kind of prefabricated PC beam molding construction method of above-mentioned Z-shaped, it is characterised in that: the outside of the rectangle moulded side panel
It is provided with staircase, the top of the staircase is provided with levels operation platform, the two sides of the staircase and the levels operation platform
Two sides be provided with guard rail.
Compared with the prior art, the present invention has the following advantages:
1, the used prefabricated PC beam molding die of Z-shaped of the present invention is in the construction process, easy to operate, does not need to tear open repeatedly
Two Z-shaped moulded side panels are filled, the vertical position and horizontal position of the prefabricated PC beam steel cage of Z-shaped can be limited using positioning component
It sets, can be improved the formed precision of the prefabricated PC beam of Z-shaped, guarantee the prefabricated PC beam formed precision of Z-shaped in batch manufactured in batch, be
Assembling building provides quality base, easy to promote and utilize.
2, the used prefabricated PC beam molding die of Z-shaped of the present invention includes shaping base, two Z-shaped moulded side panels and envelope
Board group part, shaping base include bottom rectangle pedestal, inclined rectangular pedestal and top rectangular pedestal, top rectangular pedestal and bottom
Rectangular base is parallel, and bottom rectangle pedestal is divided into profiled section bottom rectangle pedestal and non-forming section of bottom by inclined rectangular pedestal
Portion's rectangular base, Z-shaped moulded side panel include the trapezoidal moulded side panel of chamfer and rectangle moulded side panel, and blanking plate component includes first
End face sealing plate, second end face sealing plate and third end face sealing plate, profiled section bottom rectangle pedestal, inclined rectangular pedestal, top rectangular
Pedestal, two Z-shaped moulded side panels, first end face sealing plate, second end face sealing plate and third end face sealing plate enclose jointly and set to form one
A cavity for being used to form the prefabricated PC beam of Z-shaped.
3, the present invention inside shaping base by being arranged jet chimney, after Z-shaped prefabricated PC beam molding, Ke Yitong
It crosses and is passed through steam into jet chimney steam curing is carried out to the prefabricated PC beam of molded Z-shaped, without by molded Z
The prefabricated PC girder transferring of font to maintenance workshop carries out steam curing, and mode of operation is simple, simplifies operational procedure, substantially increases
Construction efficiency.
4, construction method process of the present invention is simple, easy to operate, and working security is high, just with popularization and application.
To sum up, construction process of the present invention is simple, and working security is high, does not need two Z-shaped moulded side panels of repeated disassembled and assembled,
Vertical position and the horizontal position that the prefabricated PC beam steel cage of Z-shaped can be limited using positioning component, it is prefabricated to can be improved Z-shaped
The formed precision of PC beam guarantees the prefabricated PC beam formed precision of Z-shaped in batch manufactured in batch, provides quality for assembling building
Basis, it is easy to promote and utilize.
Below by drawings and examples, the present invention is described in further detail.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Fig. 2 is the usage state diagram of the prefabricated PC beam molding die of Z-shaped of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the right view of Fig. 2.
Fig. 6 is the connection relationship diagram of shaping base of the present invention and jet chimney.
Fig. 7 is the connection relationship diagram of Z-shaped moulded side panel and blanking plate component of the present invention.
Description of symbols:
4-pull rods；4-1-limited block；5-vertical supporting framves；
The U-shaped notch of 5-1-；6-the first bolt；7-spacer bars；
8-positioning plates；8-1-connector；9-1-mounting plate；
9-2-door type frame；10-1-horizon bar；10-1-1-waist-shaped hole；
10-2-brace；11-the second bolt；12-adjusting nuts；
The prefabricated PC beam of 13-Z-shapeds；14-vertical stirrup revealed sections；15-vertical reinforcement exposed junctions；
16-1-first segment jet chimney；16-2-second segment jet chimney；
16-3-third section jet chimney；17-1-profiled section bottom rectangle pedestal；
Non-forming section of bottom rectangle pedestal of 17-2-；18-inclined rectangular pedestals；
19-top rectangular pedestals；20-vertical supporting bars；
The trapezoidal moulded side panel of 21-1-chamfer；21-1-1-first level fixed plate；
21-1-2-inclination fixed plate；The second horizontal fixed plate of 21-1-3-；
21-2-rectangle moulded side panel；21-2-1-third horizontal fixed plate；
The 4th horizontal fixed plate of 21-2-2-；22-1-first end face sealing plate；
22-2-second end face sealing plate；22-3-third end face sealing plate；
23-lateral stiffening plates；24-vertical stiffening plates；
25-1-first level support frame；The second horizontal shore of 25-2-；
26-staircases；27-operating platforms；28-guard rails.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the prefabricated PC beam molding die of Z-shaped of the present invention includes formed sole
Seat, two Z-shaped moulded side panels being arranged in parallel on the shaping base and setting two Z-shaped moulded side panels it
Between dismountable blanking plate component, being provided with for positioning the prefabricated PC of Z-shaped Z-shaped on two Z-shaped moulded side panels
The positioning component of beam steel cage, the shaping base are internally provided with jet chimney, and the shaping base includes bottom rectangle bottom
Seat, the inclined rectangular pedestal 18 that is connect with the bottom rectangle the middle of the base of one end and another with the inclined rectangular pedestal 18
The top rectangular pedestal 19 of connection is held, the top rectangular pedestal 19 is parallel with the bottom rectangle pedestal, the inclination square
The bottom rectangle pedestal is divided into profiled section bottom rectangle pedestal 17-1 and non-forming section of bottom rectangle pedestal by shape pedestal 18
17-2 is provided with vertical supporting bar 20 between the top rectangular pedestal 19 and the non-forming section of bottom rectangle pedestal 17-2,
The profiled section bottom rectangle pedestal 17-1, the non-forming section of bottom rectangle pedestal 17-2,18 and of inclined rectangular pedestal
The top rectangular pedestal 19 is hollow structure, the profiled section bottom rectangle pedestal 17-1, the non-forming section of bottom square
Shape pedestal 17-2, the inclined rectangular pedestal 18 and the top rectangular pedestal 19 all have a top plate；The Z-shaped molding
Side plate includes the trapezoidal moulded side panel 21-1 of chamfer and the rectangle for being connected to the upper right side the chamfer trapezoidal moulded side panel 21-1
Moulded side panel 21-2, the blanking plate component include the first end face envelope that the one end the chamfer trapezoidal moulded side panel 21-1 is arranged in
Plate 22-1, the second end face sealing plate 22-2 and third end face sealing plate 22- for being separately positioned on the both ends rectangle moulded side panel 21-1
3, between the bottom of the trapezoidal moulded side panel 21-1 of chamfer and the top plate of the profiled section bottom rectangle pedestal 17-1 and
Connected by multiple bindiny mechanisms between the bottom of the rectangle moulded side panel 21-2 and the top plate of the top rectangular pedestal 19
Connect, the top of two trapezoidal moulded side panel 21-1 of chamfer along the trapezoidal moulded side panel 21-1 of the chamfer length side
To multiple first tensioning mechanisms are provided with, the top of two rectangle moulded side panel 21-2 is along the rectangle moulded side panel
The length direction of 21-2 is provided with multiple second tensioning mechanisms, the structure of first tensioning mechanism and second tensioning mechanism
Identical, first tensioning mechanism and second tensioning mechanism include two vertical supporting framves 5 symmetrically laid and setting
Pull rod 4 at two 5 tops of vertical supporting frame, the end of the pull rod 4 pass through the first bolt 6 and the vertical supporting frame
5 top is fixedly connected, and the top of the vertical supporting frame 5 offers the U-shaped notch 5-1 clamped for first bolt 6, institute
State positioning component include for position the spacer bar 7 of vertical stirrup revealed section 14 and be horizontally set on two Z-shapeds at
Positioning plate 8 at the top of type side plate is provided with the connection for connecting with the vertical reinforcement exposed junction 16-2 on the positioning plate 8
Part 8-1；The construction method the following steps are included:
Step 1: the binding prefabricated PC beam steel cage of Z-shaped；
Step 2: the assembled and adjustment prefabricated PC beam molding die of Z-shaped, specifically includes the following steps:
Step 201, the lifting shaping base；
The shaping base is lifted to construction site using lifting appliance, and adjusts the horizontal position of the shaping base
It sets, the top plate of the top plate and the top rectangular pedestal 19 that make the profiled section bottom rectangle pedestal 17-1 keeps horizontality；
Two step 202, lifting Z-shaped moulded side panels；
Using the bindiny mechanism respectively by the bottom of the trapezoidal moulded side panel 21-1 of the chamfer and the profiled section bottom
Connection, the bottom of the rectangle moulded side panel 21-2 and the top rectangular pedestal 19 between the top plate of portion rectangular base 17-1
It is connected between top plate；
As shown in Figure 2, Figure 3 and Figure 4, in the present embodiment, the bindiny mechanism includes being fixedly mounted on the profiled section bottom
Mounting plate 9-1 on the portion side rectangular base 17-1 or on 19 side of top rectangular pedestal, it is mounted on the mounting plate
It door type frame 9-2 on 9-1 and is mounted on the trapezoidal moulded side panel 21-1 lateral surface of the chamfer or rectangle molding side
The first connection frame on plate 21-2 lateral surface, first connection frame include horizon bar 10-1 and setting in the chamfer ladder
Between shape moulded side panel 21-1 lateral surface and the horizon bar 10-1 or the rectangle moulded side panel 21-2 lateral surface with it is described
Brace 10-2 between horizon bar 10-1, is arranged between the bottom surface of the horizon bar 10-1 and the top surface of the door type frame 9-2
There are adjustment gap, the other end of the horizon bar 10-1 and the door type frame 9-2 can by the second bolt 11 and adjusting nut 12
Dismantling connection offers the waist-shaped hole 10-1-1 passed through for second bolt 11, the waist-shaped hole on the horizon bar 10-1
The length direction of 10-1-1 and the trapezoidal moulded side panel 21-1 of the chamfer are perpendicular.
In actual use, due to the other end of the horizon bar 10-1 and the door type frame 9-2 by the second bolt 11 and
Adjusting nut 12 is detachably connected, and is provided with tune between the bottom surface of the horizon bar 10-1 and the top surface of the door type frame 9-2
Whole gap, at this point, being formed between horizon bar 10-1, brace 10-2, the moulded side panel, the second bolt 11 and adjusting nut 12
One lever construction, therefore, when the prefabricated PC beam molding die of Z-shaped needs to be opened, it is only necessary to adjusting nut 12 constantly is screwed,
Make to generate the trend moved closer between horizon bar 10-1 and door type frame 9-2, still, under gravity, with the second bolt
11 center line is line of demarcation, and the adjustment gap close to the side of the moulded side panel is gradually increased, far from the molding
The adjustment gap of the side of side plate is gradually reduced, and the top that first connection frame is able to drive the moulded side panel is outside
Side gradually tilts, and so that the top of two moulded side panels is in the state being located remotely from each other, at this time the inside of the moulded side panel
Face and the surface of molded prefabricated PC beam are detached from, and realize the purpose of demoulding, and structure is simple, easy to promote and utilize convenient for operation.
In the present embodiment, the waist-shaped hole 10-1-1 passed through for second bolt 11 is opened up on the horizon bar 10-1, and
The length direction and the moulded side panel of the waist-shaped hole 10-1-1 is perpendicular, in actual use, is overturning two moldings
During side plate, the horizon bar 10-1 can be institute around 11 run-off the straight of the second bolt, the waist-shaped hole 10-1-1
State horizon bar 10-1 inclination provide space, the second bolt 11 can be prevented to be bent over, meanwhile, it is capable to for the moulded side panel to
Side movement far from molded prefabricated PC beam provides space, can be avoided the moulded side panel bottom and constantly squeezes
The bottom of molding prefabricated PC beam can guarantee the surface of molded prefabricated PC beam not by any damage.
In the present embodiment, door type frame 9-2 is made of channel steel, two side plates and mounting plate 9-1 vertical runs of channel steel.
Step 3: the lifting prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
Two step 301, overturning Z-shaped moulded side panels, make the top of two Z-shaped moulded side panels be in phase
Mutually separate state, specific operation process are as follows: while multiple adjusting nuts 12 are screwed, institute is driven by multiple connection frames
The top for stating Z-shaped moulded side panel gradually tilts outward, is in the top of two Z-shaped moulded side panels and is located remotely from each other
State；
In the present embodiment, before lifting the prefabricated PC beam steel cage of Z-shaped, need to overturn two Z-shaped molding sides
Plate can be avoided the prefabricated PC joist steel of Z-shaped when the top of two Z-shaped moulded side panels is in the state being located remotely from each other
Muscle cage collides in lifting with two Z-shaped moulded side panels, while improving the safety of lifting construction, uses effect
Fruit is good.
Step 302, the lifting prefabricated PC beam steel cage of Z-shaped:
Firstly, using lifting appliance by the prefabricated PC beam steel cage of the Z-shaped for binding completion in step 1 from top to bottom
It is placed between two Z-shaped moulded side panels, then, while unscrewing multiple adjusting nuts 12, under the effect of gravity,
The top of the Z-shaped moulded side panel gradually tilts inwardly, until the Z-shaped moulded side panel and the shaping base are in vertical
It is straight to lay；
In the present embodiment, from top to bottom placed by the prefabricated PC beam steel cage of the Z-shaped for binding completion in step 1
After between two Z-shaped moulded side panels, it is necessary to two Z-shaped moulded side panels be made to restore the original into step 202
Beginning state, i.e., the described Z-shaped moulded side panel and the perpendicular laying of the shaping base.
Step 4: positioning and the locking prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
The vertical stirrup revealed section of step 401, the positioning prefabricated PC beam steel cage of Z-shaped:
Firstly, installing the pull rod 4 between two vertical supporting framves 5 of opposite laying, and use described first
Bolt 6 will pre-tighten between the end and support frame as described above of the pull rod 4；Then, positioning is set up on multiple pull rods 4
Reinforcing bar 7, the quantity of the spacer bar 7 are four, and spacer bar 7 described in two of them rides upon multiple first tensioning mechanisms
On pull rod 4, other two spacer bar 7 is ridden upon on the pull rod 4 of multiple second tensioning mechanisms, the spacer bar 7
The axis direction of axis direction and the pull rod 4 is perpendicular；
It in actual use, first should be pre- to Z-shaped after the prefabricated PC beam steel cage of Z-shaped is lifted in cavity
The position of PC beam steel cage processed is positioned, and horizontal position and vertical position of the prefabricated PC beam steel cage of Z-shaped in cavity are limited
It sets, is tensed after completing the positioning of position of PC beam steel cage prefabricated to Z-shaped, then by two Z-shaped moulded side panels, thus real
The now clamping of PC beam steel cage prefabricated to Z-shaped, therefore, the prefabricated PC beam molding die of this Z-shaped pass through in two Z-shapeds
Setting on moulded side panel for positioning the positioning component of the prefabricated PC beam steel cage of Z-shaped, two chamfers it is trapezoidal at
Multiple first tensioning mechanisms are arranged in the top of type side plate 21-1, and multiple first tensioning mechanisms are along the trapezoidal molding side of the chamfer
The length direction of plate 21-1 is laid, and multiple second tensioning mechanisms are arranged at the top of two rectangle moulded side panel 21-2, more
A second tensioning mechanism is laid along the length direction of the rectangle moulded side panel 21-2, first tensioning mechanism and described the
Two tensioning mechanisms include two vertical supporting framves 5 symmetrically laid and the drawing that two 5 tops of vertical supporting frame are arranged in
Bar 4, and the end of the pull rod 4 is fixedly connected by the first bolt 6 with the top of the vertical supporting frame 5, the vertical branch
The top of support 5 offers the U-shaped notch 5-1 clamped for first bolt 6, in actual use, by the first bolt 6
Mating installation gasket, the outer diameter of the gasket are greater than the width of the U-shaped notch 5-1, are located at the two of 4 both ends of pull rod by screwing
A first bolt 6 can realize being fixedly connected for pull rod 4 and the top of vertical supporting frame 5, can be real using multiple pull rods 4
Existing clamping of two Z-shaped moulded side panels to prefabricated PC beam steel cage, easy to disassemble, connection is reliable.
The positioning component includes for positioning the spacer bar 7 of vertical stirrup revealed section 14 and being horizontally set on two institutes
State the positioning plate 8 at the top of Z-shaped moulded side panel, be provided on the positioning plate 8 for the vertical reinforcement exposed junction 16-2
The connector 8-1 of connection, spacer bar 7 ride upon on multiple pull rods 4, the axis of the axis direction of spacer bar 7 and the pull rod 4
Line direction is perpendicular, in the present embodiment, in order to guarantee the structural stability of the prefabricated PC beam steel cage of Z-shaped, the number of spacer bar 7
Amount is four, and two of them spacer bar 7 rides upon on the pull rod 4 of multiple first tensioning mechanisms, other two spacer bar 7 is taken
It is located on the pull rod 4 of multiple second tensioning mechanisms, spacer bar 7 can limit the prefabricated PC beam steel cage of Z-shaped in vertical direction
Position, can prevent the prefabricated PC beam steel cage of Z-shaped the phenomenon that vertical direction is displaced, meanwhile, it is capable to guarantee multiple
14 high consistency of vertical stirrup revealed section.
In actual use, described when being welded with screw shell on the vertical stirrup revealed section 15 of the prefabricated PC beam 13 of Z-shaped
Connector 8-1 is the screw rod that can be threadedly coupled with the screw shell, therefore it may only be necessary to by the screw rod and the thread bush
Cylinder is threadedly coupled, and can realize the connection between prefabricated 13 steel reinforcement cage of PC beam of Z-shaped and positioning plate 8；When the prefabricated PC beam of Z-shaped
When being welded with clamping sleeve on 13 vertical stirrup revealed section 15, the connector 8-1 is that can be clamped with the clamping sleeve
Clamping bar, therefore it may only be necessary to by the clamping bar and the clamping sleeve clamping, i.e., also can be realized the prefabricated PC beam of Z-shaped
Connection between 13 steel reinforcement cages and positioning plate 8 can be realized 13 steel reinforcement cage of PC beam prefabricated to Z-shaped in two moulded side panels
Between horizontal position positioned.
Step 402, the vertical reinforcement exposed junction for positioning the prefabricated PC beam steel cage of Z-shaped:
Multiple positioning plates 8 are installed at the top of two Z-shaped moulded side panels, and will be on each described positioning plate 8
Connector 8-1 connect one by one with vertical reinforcement exposed junction 15；
Step 403, the locking prefabricated PC beam steel cage of Z-shaped:
Each described first bolt 6 is finally tightened, realizes the lock of PC beam steel cage prefabricated to the Z-shaped
Tightly；
Step 5: installation blanking plate component；
Successively first end face sealing plate 22-1 is fixedly mounted, in the square in chamfer one end trapezoidal moulded side panel 21-1
Second end face sealing plate 22-2 and third end face sealing plate 22-3 is fixedly mounted in the both ends shape moulded side panel 21-1 respectively, at this point, it is described at
Type pedestal, two Z-shaped moulded side panels, the first end face sealing plate 22-1, the second end face sealing plate 22-2 and described
Third end face sealing plate 22-3 is collectively formed one and pours cavity for forming the Z-shaped of the prefabricated PC beam 13 of Z-shaped；
In the present embodiment, the positioning that the prefabricated PC beam steel cage of Z-shaped is completed in step 4 is pacified with locking and then successively
First end face sealing plate 22-1, second end face sealing plate 22-2 and third end face sealing plate 22-3 are filled, rather than after step 202 just successively
First end face sealing plate 22-1, second end face sealing plate 22-2 and third end face sealing plate 22-3 are installed, in the lifting prefabricated PC joist steel of Z-shaped
During muscle cage, first end face sealing plate 22-1, second end face sealing plate 22-2 and third end face sealing plate 22-3 can be avoided to Z-shaped
The phenomenon that prefabricated PC beam steel cage of type impacts, avoids the occurrence of repeated disassembled and assembled, the phenomenon that labor waste will not be generated.
Step 6: cast-in-place concrete forms the prefabricated PC beam of Z-shaped；
The Z-shaped into step 5 pours cast-in-place concrete in cavity, realizes the molding of the prefabricated PC beam 13 of Z-shaped；
It compared with prior art can using the prefabricated PC beam molding die molding prefabricated PC beam 13 of Z-shaped of this Z-shaped
The formed precision of the prefabricated PC beam of Z-shaped is improved, guarantees the formed precision of the prefabricated PC beam 13 of Z-shaped manufactured in batch, is assembling
Building provides quality base, easy to promote and utilize.
Step 7: the prefabricated PC beam of Z-shaped that steam curing is molded:
It is laid with heat insulating cloth on the prefabricated PC beam molding die of the Z-shaped and the prefabricated PC beam 13 of molded Z-shaped, by institute
The air inlet for stating jet chimney is connected to the outlet pipe of boiler, and steam is continually fed into Xiang Suoshu jet chimney to molded
The prefabricated PC beam of Z-shaped is conserved, and the time for being continually fed into steam is 5h~7h, later, removes the first end face envelope
Plate 22-1 carries out intensity detection to the prefabricated PC beam of the Z-shaped in maintenance processes using intensity reisilometer, when intensity reisilometer
When the intensity for the prefabricated PC beam of the molded Z-shaped that detection obtains reaches demoulding requirement, heat insulating cloth is removed, and execute step
Eight, when the intensity for the prefabricated PC beam of the molded Z-shaped that intensity reisilometer detects is not up to demoulding requirement, to
The molding prefabricated PC beam of the Z-shaped carries out natural curing, tears open until the intensity of the molded prefabricated PC beam of the Z-shaped reaches
Mould requirement；
In the present embodiment, by the way that jet chimney is arranged inside the shaping base, when prefabricated 13 molding of PC beam of Z-shaped
Afterwards, steam curing can be carried out to the molded prefabricated PC beam 13 of Z-shaped by being passed through steam into jet chimney, without
The molded prefabricated PC beam 13 of Z-shaped is transported to maintenance workshop and carries out steam curing, mode of operation is simple, simplifies construction journey
Sequence substantially increases construction efficiency.
Step 8: two Z-shaped moulded side panels of overturning, hang out and the steam-cured prefabricated PC of the Z-shaped are completed
Beam.
In the present embodiment, in step 8, overturn two Z-shaped moulded side panels, hang out be completed it is steam-cured
The prefabricated PC beam of Z-shaped, specifically includes the following steps:
Step 801 successively removes the first end face sealing plate 22-1, the second end face sealing plate 22-2 and the third end
Face sealing plate 22-3；
Step 802 successively removes pull rod 4, spacer bar 7 and positioning plate 8:
First bolt 6 and the pull rod 4 are disconnected, pull rod 4 is removed；Later, four spacer bars 7 are removed；
Then by the separated of the connector 8-1 and vertical reinforcement exposed junction 15, and the positioning plate 8 is removed；
Step 803 screws the adjusting nut 12, from the connection frame drive the top of the Z-shaped moulded side panel to
Outside gradually tilts, and the top of two Z-shaped moulded side panels is made to be in the state being located remotely from each other；Later, it is set using lifting
It is hung out for the prefabricated PC beam of the steam-cured Z-shaped will be completed between two Z-shaped moulded side panels.
In the present embodiment, during overturning two Z-shaped moulded side panels, do not need two Z-shapeds
Moulded side panel and the shaping base, which are split, to be come, it is only necessary to be overturn two Z-shaped moulded side panels, be made two Z-shapeds
The top of type moulded side panel is in the state being located remotely from each other, so that it may the prefabricated PC beam of the steam-cured Z-shaped will be completed
It is hung out between two Z-shaped moulded side panels, demoulding is convenient, does not need repeated disassembled and assembled, will not generate due to repeated disassembled and assembled
Trueness error caused by and, using effect are good.
As shown in Figure 2, Figure 3 and Figure 4, in the present embodiment, water on the lateral surface of the trapezoidal moulded side panel 21-1 of chamfer
It is flat to be provided with the first level support frame 25-1 being fixedly mounted for the vertical supporting frame 5 of multiple first tensioning mechanisms, the rectangle
Have the vertical supporting frame 5 for multiple second tensioning mechanisms to be fixedly mounted second is horizontally disposed on the lateral surface of moulded side panel 21-2
Horizontal shore 25-2.
As shown in fig. 7, being provided with first on the outside of the lower edge of the trapezoidal moulded side panel 21-1 of chamfer in the present embodiment
Setting on the outside of the top edge of horizontal fixed plate 21-1-1 and inclination fixed plate 21-1-2, the trapezoidal moulded side panel 21-1 of chamfer
Third horizontal fixed plate is provided on the outside of the lower edge for having the second horizontal fixed plate 21-1-3, the rectangle moulded side panel 21-2
The 4th horizontal fixed plate 21-2-2, the third water are provided on the outside of the top edge of 21-2-1, the rectangle moulded side panel 21-2
Multiple lateral stiffening plates 23 and multiple vertical reinforcements are provided between flat fixed plate 21-2-1 and the 4th horizontal fixed plate 21-2-2
Plate 24, multiple transverse direction stiffening plates 23 and multiple vertical stiffening plates 24 are in the vertical and horizontal laying that interweaves, and in actual use, first level is fixed
Plate 21-1-1 is fixedly mounted on the top plate of profiled section bottom rectangle pedestal 17-1 by fastener, and inclination fixed plate 21-1-2 is logical
It crosses fastener to be fixedly mounted on the top plate of inclined rectangular pedestal 18, third horizontal fixed plate 21-2-1 pacifies by the way that fastener is fixed
On the top plate of top rectangular pedestal 19, first level fixed plate 21-1-1, inclination fixed plate 21-1-2 and third level are solid
Fixed board 21-2-1 can be improved the operability that Z-shaped moulded side panel is fixedly connected with the shaping base；Second is horizontal fixed
Plate 21-1-3 and the 4th horizontal fixed plate 21-2-2 can provide sufficient installation space for multiple positioning plates 8, and first level is solid
Fixed board 21-1-1, inclination fixed plate 21-1-2, the second horizontal fixed plate 21-1-3, third horizontal fixed plate 21-2-1 and the 4th water
Flat fixed plate 21-2-2 forms a Z-shaped frame structure on the lateral surface of the Z-shaped moulded side panel jointly, is guaranteeing Z
Under the premise of the rigidity and intensity of font moulded side panel, the weight of this molding die is alleviated, ensure that the prefabricated PC beam of Z-shaped
Formed precision, using effect are good.
In the present embodiment, at least two are provided on the pull rod 4 for clamping the limited block 4-1 of the spacer bar 7.
In actual use, every group of two spacer bars 7 are located at two bending positions of the vertical stirrup revealed section 14
Place is set, by the way that limited block 4-1 is fixedly mounted on pull rod 4, is collectively formed by two limited block 4-1 for clamping a positioning steel
The card holding trough of muscle 7, therefore, the quantity of the limited block 4-1 on each pull rod 4 are four, group two-by-two in four limited block 4-1
In a pair, two are capable of forming for clamping the card holding trough of spacer bar 7, forms the prefabricated PC of Z-shaped Z-shaped in casting concrete
When beam 13, it can be avoided spacer bar 7 and be displaced, so as to guarantee the stability of 14 structure of vertical stirrup revealed section, and
It can guarantee the accurate of vertical position of prefabricated 13 steel reinforcement cage of PC beam of Z-shaped Z-shaped between two Z-shaped moulded side panels
Property.
As shown in fig. 6, in the present embodiment, the jet chimney includes the setting that is sequentially communicated in profiled section bottom square
First segment jet chimney 16-1 in shape pedestal 17-1, the second segment jet chimney being arranged in the inclined rectangular pedestal 18
The 16-2 and third section jet chimney 16-2 being arranged in the top rectangular pedestal 19.
In the present embodiment, it is provided on the bottom surface of the top plate of the profiled section bottom rectangle pedestal 17-1 multiple for described the
The first support of one section of jet chimney 16-1 installation, is provided on the bottom surface of the top plate of the inclined rectangular pedestal 18 multiple for institute
The second support of second segment jet chimney 16-2 installation is stated, is provided on the bottom surface of the top plate of the top rectangular pedestal 19 multiple
For the third bracket of third section jet chimney 16-3 installation.
In the present embodiment, first support, second support and third bracket are slotted bracket, and one of the first support
Plate-side plate welding on the lower surface of the top plate of the profiled section bottom rectangle pedestal 17-1, the web of the first support with it is described
The top plate of profiled section bottom rectangle pedestal 17-1 is perpendicular, is offered on the web of the first support for the first segment steam
The through-hole that pipeline 16-1 is passed through；Following table of one plate-side plate welding of the second support in the top plate of the inclined rectangular pedestal 18
On face, the web of the second support and the top plate of the inclined rectangular pedestal 18 are perpendicular, on the web of the second support
The through-hole passed through for the second segment jet chimney 16-2 is offered, a plate-side plate welding of the third bracket is at the top
On the lower surface of the top plate of rectangular base 19, the web of the third bracket and the top plate of the top rectangular pedestal 19 mutually hang down
Directly, the through-hole passed through for the third section jet chimney 16-3 is offered on the web of the third bracket.
As shown in Figure 4 and Figure 5, in the present embodiment, it is provided with staircase 26 on the outside of the rectangle moulded side panel 21-2, it is described
The top of staircase 26 is provided with levels operation platform 27, and the two sides of the two sides of the staircase 26 and the levels operation platform 27 are equal
It is provided with guard rail 28；In actual use, the staircase 26 is foldable, when overturning two Z-shaped moulded side panels, makes two
When the top of a Z-shaped moulded side panel is in the state being located remotely from each other, the bottom and ground of the staircase 26 can be avoided
It collides, in entire work progress, construction personnel can carry out eminence by 26 station of staircase on levels operation platform 27
Construction, improves the convenience and safety of construction, using flexible, and effect is good.
In the present embodiment, it is provided on the medial surface of the first end face sealing plate 22-1 for forming the prefabricated PC beam of Z-shaped
The encoding model of 13 coding, in actual use, during fabricated structure construction, in order to just with assembly, improve dress
It with construction efficiency, needs to encode each prefabricated component, the coding of the prefabricated PC beam 13 of Z-shaped is frequently with Arabic numerals
Coding, therefore, the encoding model include that multiple Arabic numerals with the prefabricated PC beam 13 of Z-shaped encode the Arab to match
Mathematical model, when the prefabricated PC beam 13 of the molding Z-shaped forms, the Arabic numerals coding of the prefabricated PC beam 13 of Z-shaped
Also form simultaneously, do not need to re-paste on the prefabricated PC beam 13 of the Z-shaped label with Arabic numerals coding or
Hand labeled Arabic numerals coding is solved since the label with Arabic numerals coding of stickup is easily damaged, and shadow
The problem of ringing assembly construction efficiency, has clear using this molding die molding Arabic numerals coding, is hardly damaged,
Can persistence the advantages of, it is easy to promote and utilize.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (8)
1. a kind of prefabricated PC beam molding construction method of Z-shaped, mold used by the construction method is the prefabricated PC beam molding of Z-shaped
Mold, the prefabricated PC beam molding die of Z-shaped include shaping base, two Z-shapeds being arranged in parallel on the shaping base
Type moulded side panel and the dismountable blanking plate component being arranged between two Z-shaped moulded side panels, two Z-shapeds at
The positioning component being provided with for positioning the prefabricated PC beam steel cage of Z-shaped Z-shaped on type side plate is set inside the shaping base
It is equipped with jet chimney, the shaping base includes that bottom rectangle pedestal, one end are inclined with what the bottom rectangle the middle of the base was connect
Oblique rectangular base (18) and the top rectangular pedestal (19) being connect with the other end of the inclined rectangular pedestal (18), the top
Rectangular base (19) is parallel with the bottom rectangle pedestal, and the inclined rectangular pedestal (18) divides the bottom rectangle pedestal
It is divided into profiled section bottom rectangle pedestal (17-1) and non-forming section of bottom rectangle pedestal (17-2), the top rectangular pedestal (19)
It is provided with vertical supporting bar (20) between the non-forming section of bottom rectangle pedestal (17-2), profiled section bottom rectangle bottom
Seat (17-1), the non-forming section of bottom rectangle pedestal (17-2), the inclined rectangular pedestal (18) and the top rectangular bottom
Seat (19) is hollow structure, the profiled section bottom rectangle pedestal (17-1), the non-forming section of bottom rectangle pedestal (17-
2), the inclined rectangular pedestal (18) and the top rectangular pedestal (19) all have a top plate；The Z-shaped moulded side panel
Including the trapezoidal moulded side panel of chamfer (21-1) and it is connected to the rectangle in the upper right side the trapezoidal moulded side panel of the chamfer (21-1)
Moulded side panel (21-2), the blanking plate component include first end of the setting in the one end the trapezoidal moulded side panel of the chamfer (21-1)
Face sealing plate (22-1), the second end face sealing plate (22-2) for being separately positioned on rectangle moulded side panel (21-1) both ends and third end
Face sealing plate (22-3), the bottom of the trapezoidal moulded side panel of chamfer (21-1) and the profiled section bottom rectangle pedestal (17-1)
Top plate between and the rectangle moulded side panel (21-2) bottom and the top rectangular pedestal (19) top plate between
It is connected by multiple bindiny mechanisms, the top of two trapezoidal moulded side panels of chamfer (21-1) is trapezoidal along the chamfer
The length direction of moulded side panel (21-1) is provided with multiple first tensioning mechanisms, the top of two rectangle moulded side panels (21-2)
Portion is provided with multiple second tensioning mechanisms, first tensioning mechanism along the length direction of the rectangle moulded side panel (21-2)
Identical with the structure of second tensioning mechanism, first tensioning mechanism and second tensioning mechanism include two symmetrical
The vertical supporting frame (5) of laying and the pull rod (4) being arranged at the top of two vertical supporting framves (5), the end of the pull rod (4)
It is opened at the top of the vertical supporting frame (5) by being fixedly connected at the top of the first bolt (6) and the vertical supporting frame (5) in portion
Equipped with the U-shaped notch (5-1) clamped for first bolt (6), the positioning component includes exposed for positioning vertical stirrup
The spacer bar (7) of section (14) and the positioning plate (8) being horizontally set at the top of two Z-shaped moulded side panels, the positioning
The connector (8-1) for connecting with the vertical reinforcement exposed junction (16-2) is provided on plate (8)；It is characterized by: this is applied
Work method the following steps are included:
Step 1: the binding prefabricated PC beam steel cage of Z-shaped；
Step 2: the assembled and adjustment prefabricated PC beam molding die of Z-shaped, specifically includes the following steps:
Step 201, the lifting shaping base；
The shaping base is lifted to construction site using lifting appliance, and adjusts the horizontal position of the shaping base, is made
The top plate of the profiled section bottom rectangle pedestal (17-1) and the top plate of the top rectangular pedestal (19) keep horizontality；
Two step 202, lifting Z-shaped moulded side panels；
Using the bindiny mechanism respectively by the bottom of the trapezoidal moulded side panel of the chamfer (21-1) and the profiled section bottom
Connection, the bottom of the rectangle moulded side panel (21-2) and the top rectangular pedestal between the top plate of rectangular base (17-1)
(19) it is connected between top plate；
Step 3: the lifting prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
Two step 301, overturning Z-shaped moulded side panels make the top of two Z-shaped moulded side panels be in mutually remote
From state, specific operation process are as follows: while screwing multiple adjusting nuts (12), driven as multiple connection frames described in
The top of Z-shaped moulded side panel gradually tilts outward, is in the top of two Z-shaped moulded side panels and is located remotely from each other
State；
Step 302, the lifting prefabricated PC beam steel cage of Z-shaped:
Firstly, the prefabricated PC beam steel cage of the Z-shaped for binding completion in step 1 is from top to bottom placed using lifting appliance
Between two Z-shaped moulded side panels, then, while multiple adjusting nuts (12), under the effect of gravity, institute are unscrewed
The top for stating Z-shaped moulded side panel gradually tilts inwardly, until the Z-shaped moulded side panel and the shaping base are perpendicular
It lays；
Step 4: positioning and the locking prefabricated PC beam steel cage of Z-shaped, specifically includes the following steps:
The vertical stirrup revealed section of step 401, the positioning prefabricated PC beam steel cage of Z-shaped:
Firstly, installing the pull rod (4) between two vertical supporting framves (5) of opposite laying, and use described first
Bolt (6) will pre-tighten between the end and support frame as described above of the pull rod (4)；Then, it is taken on multiple pull rods (4)
If spacer bar (7), the quantity of the spacer bar (7) is four, and spacer bar described in two of them (7) rides upon multiple the
On the pull rod (4) of one tensioning mechanism, other two spacer bar (7) rides upon the pull rod (4) of multiple second tensioning mechanisms
On, the axis direction of the axis direction and the pull rod (4) of the spacer bar (7) is perpendicular；
Step 402, the vertical reinforcement exposed junction for positioning the prefabricated PC beam steel cage of Z-shaped:
Multiple positioning plates (8) are installed at the top of two Z-shaped moulded side panels, and will be on each described positioning plate (8)
Connector (8-1) connect one by one with vertical reinforcement exposed junction (15)；
Step 403, the locking prefabricated PC beam steel cage of Z-shaped:
Each described first bolt (6) is finally tightened, realizes the locking of PC beam steel cage prefabricated to the Z-shaped；
Step 5: installation blanking plate component；
Successively first end face sealing plate (22-1) is fixedly mounted, in the square in the trapezoidal moulded side panel of chamfer one end (21-1)
Second end face sealing plate (22-2) and third end face sealing plate (22-3) is fixedly mounted in the both ends shape moulded side panel (21-1) respectively, at this point,
The shaping base, two Z-shaped moulded side panels, the first end face sealing plate (22-1), the second end face sealing plate
(22-2) and third end face sealing plate (22-3) are collectively formed one and pour for forming the Z-shaped of the prefabricated PC beam (13) of Z-shaped
Build cavity；
Step 6: cast-in-place concrete forms the prefabricated PC beam of Z-shaped；
The Z-shaped into step 5 pours cast-in-place concrete in cavity, realizes the molding of the prefabricated PC beam (13) of Z-shaped；
Step 7: the prefabricated PC beam of Z-shaped that steam curing is molded:
It is laid with heat insulating cloth on the prefabricated PC beam molding die of the Z-shaped and the prefabricated PC beam (13) of molded Z-shaped, it will be described
The air inlet of jet chimney is connected to the outlet pipe of boiler, and steam is continually fed into Xiang Suoshu jet chimney to molded institute
It states the prefabricated PC beam of Z-shaped to be conserved, the time for being continually fed into steam is that 5h~7h removes the first end face sealing plate later
(22-1) carries out intensity detection to the prefabricated PC beam of the Z-shaped in maintenance processes using intensity reisilometer, when intensity reisilometer
When the intensity for the prefabricated PC beam of the molded Z-shaped that detection obtains reaches demoulding requirement, heat insulating cloth is removed, and execute step
Eight, when the intensity for the prefabricated PC beam of the molded Z-shaped that intensity reisilometer detects is not up to demoulding requirement, to
The molding prefabricated PC beam of the Z-shaped carries out natural curing, tears open until the intensity of the molded prefabricated PC beam of the Z-shaped reaches
Mould requirement；
Step 8: two Z-shaped moulded side panels of overturning, hang out and the prefabricated PC beam of the steam-cured Z-shaped are completed.
2. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: in step 8,
Two Z-shaped moulded side panels are overturn, hangs out and the prefabricated PC beam of the steam-cured Z-shaped is completed, specifically include following
Step:
Step 801 successively removes the first end face sealing plate (22-1), the second end face sealing plate (22-2) and the third end
Face sealing plate (22-3)；
Step 802 successively removes pull rod (4), spacer bar (7) and positioning plate (8):
First bolt (6) and the pull rod (4) are disconnected, removed pull rod (4)；Later, four spacer bars are removed
(7)；Then by the separated of the connector (8-1) and vertical reinforcement exposed junction (15), and the positioning plate (8) are removed；
Step 803 screws the adjusting nut (12), drives the top of the Z-shaped moulded side panel outside by the connection frame
Side gradually tilts, and the top of two Z-shaped moulded side panels is made to be in the state being located remotely from each other；Later, lifting appliance is utilized
The prefabricated PC beam of the steam-cured Z-shaped will be completed to hang out between two Z-shaped moulded side panels.
3. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the connection machine
Structure includes being fixedly mounted on profiled section bottom rectangle pedestal (17-1) side or the top rectangular pedestal (19) side
Mounting plate (9-1) on face, the door type frame (9-2) being mounted on the mounting plate (9-1) and to be mounted on the chamfer trapezoidal
The first connection frame on moulded side panel (21-1) lateral surface or on the rectangle moulded side panel (21-2) lateral surface, described first
Connection frame includes horizon bar (10-1) and is arranged in the trapezoidal moulded side panel of the chamfer (21-1) lateral surface and the level
Brace between bar (10-1) or between rectangle moulded side panel (21-2) lateral surface and the horizon bar (10-1)
(10-2) is provided with adjustment gap, the water between the bottom surface of the horizon bar (10-1) and the top surface of the door type frame (9-2)
The other end of flat bar (10-1) is detachably connected with the door type frame (9-2) by the second bolt (11) and adjusting nut (12),
The waist-shaped hole (10-1-1) passed through for second bolt (11), the waist-shaped hole (10- are offered on the horizon bar (10-1)
Length direction 1-1) and the trapezoidal moulded side panel of the chamfer (21-1) are perpendicular.
4. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the chamfer
The fixed peace of vertical supporting frame (5) having for multiple first tensioning mechanisms is horizontally disposed on the lateral surface of trapezoidal moulded side panel (21-1)
The first level support frame (25-1) of dress, being horizontally disposed on the lateral surface of the rectangle moulded side panel (21-2) has for multiple second
The second horizontal shore (25-2) that the vertical supporting frame (5) of tensioning mechanism is fixedly mounted.
5. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the pull rod (4)
On be provided at least two for clamping the limited blocks (4-1) of the spacer bar (7).
6. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the steam pipe
Road includes first segment jet chimney (16-1) in the profiled section bottom rectangle pedestal (17-1) of the setting that is sequentially communicated, sets
It sets the second segment jet chimney (16-2) in the inclined rectangular pedestal (18) and is arranged in the top rectangular pedestal (19)
Interior third section jet chimney (16-2).
7. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the profiled section
Multiple first supports for first segment jet chimney installation are provided on the bottom surface of the top plate of bottom rectangle pedestal (17-1),
Multiple second for second segment jet chimney installation are provided on the bottom surface of the top plate of the inclined rectangular pedestal (18)
Frame is provided with multiple thirds for third section jet chimney installation on the bottom surface of the top plate of the top rectangular pedestal (19)
Bracket.
8. the prefabricated PC beam molding construction method of a kind of Z-shaped described in accordance with the claim 1, it is characterised in that: the rectangle at
It is provided on the outside of type side plate (21-2) staircase (26), the top of the staircase (26) is provided with levels operation platform (27), institute
The two sides of the two sides and the levels operation platform (27) of stating staircase (26) are provided with guard rail (28).
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| CN201910415840.7A CN110202684B (en) | 2019-05-18 | 2019-05-18 | Z-shaped prefabricated PC beam forming construction method |
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| CN201910415840.7A CN110202684B (en) | 2019-05-18 | 2019-05-18 | Z-shaped prefabricated PC beam forming construction method |
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| CN110202684A true CN110202684A (en) | 2019-09-06 |
| CN110202684B CN110202684B (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814336A (en) * | 2021-09-27 | 2021-12-21 | 中铁二十四局集团有限公司 | Integral processing method of underground diaphragm wall Z-shaped steel reinforcement cage |
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| US4355782A (en) * | 1981-01-26 | 1982-10-26 | Sierra Precast, Inc. | Mold for forming fireplaces |
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| Publication number | Publication date |
|---|---|
| CN110202684B (en) | 2020-12-18 |
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