CN109676749A - The method of tunnel rail flowering structure prefabricated section mold and its prefabricated tunnel rail flowering structure - Google Patents
The method of tunnel rail flowering structure prefabricated section mold and its prefabricated tunnel rail flowering structure Download PDFInfo
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- CN109676749A CN109676749A CN201811572037.6A CN201811572037A CN109676749A CN 109676749 A CN109676749 A CN 109676749A CN 201811572037 A CN201811572037 A CN 201811572037A CN 109676749 A CN109676749 A CN 109676749A
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- tenon
- bed die
- side form
- flowering structure
- mould
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- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000010276 construction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- 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
-
- 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
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/384—Treating agents
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The method of tunnel rail flowering structure prefabricated section mold and its prefabricated tunnel rail flowering structure, including bed die, the end mould that is fixed on the side form of bed die two sides and is fixed on bed die both ends, the bed die, side form and end mould surround flat lower musical form cavity body structure, the side form and end mould pass through several groups guide assembly and connect with bed die, the side form and are fastened by bolts after holding mould to be bonded with bed die；Tenon collapsible form and groove template, the tenon collapsible form and side form detachable connection are respectively equipped on side form described in two sides.Tenon collapsible form of the present invention is Demountable, is first about to the dismounting of tenon collapsible form when carrying out demoulding, effectively solves prior art demoulding finished product and breaks the technical issues of splitting.
Description
Technical field
The invention belongs to technical field of building construction, are related to a kind of construction method, and in particular to tunnel rail flowering structure is prefabricated
The method of block mold and its prefabricated tunnel rail flowering structure.
Background technique
At present in constructing tunnel, rail flowering structure generallys use cast-in-place concrete mode and completes.But the cast-in-place operation in tunnel bottom is empty
Between it is narrow, cross-operation interferes with each other in tunnel, and construction is more inconvenient.Meanwhile due to section of jurisdiction and the need of material transportation in tunnel
It wants, stirrup steel structure framework need to be set up, to be laid with transport rail.Setting up for steel skeleton is unable to parallel construction with material transportation, because
This significantly restricts site operation progress；There are a fixed gap between steel skeleton, there are one in construction by operating personnel
Fixed security risk is easy to happen and the safety accidents such as falls, sprains；In addition, cast-in-place concrete construction uncertain factor is more, apply
Work unstable quality, and scene is mixed and disorderly, civilized construction is poor.
Summary of the invention
The object of the present invention is to provide tunnel rail flowering structure prefabricated section mold and its methods of prefabricated tunnel rail flowering structure,
Solve the technical problem that the prior art is long in time limit, construction technology is complicated；And solve the tunnel rail flowering structure that the prior art is constructed out
The problem of unstable quality, civilized construction difference.
To achieve the above object, the present invention adopts the following technical scheme:
Tunnel rail flowering structure prefabricated section mold, it is characterised in that: including bed die, be fixed on the side form of bed die two sides and be fixed on bottom
The end mould at mould both ends, the bed die, side form and end mould surround flat lower musical form cavity body structure, if the side form and end mould pass through
A dry group guide assembly is connect with bed die, the side form and is fastened by bolts after holding mould to be bonded with bed die；On side form described in two sides
It is respectively equipped with tenon collapsible form and groove template, the tenon collapsible form and side form detachable connection.
It is further preferred that being equipped with crossbeam between end mould top surface described in both ends.
Further, the tenon collapsible form includes forming the tenon template portion of tenon and for being fixed on for pouring
Interconnecting piece on side form, tenon template portion bottom surface outer wall are equipped with nut one, and the interconnecting piece is to be fixed on tenon template
Connecting plate on portion's outer wall, the connecting plate are fixed by bolt assembly and side form, and the bolt assembly includes screw, movable mold
Plate pressing plate is connect after passing through collapsible form pressing plate with nut thread with side form top nut, the screw is weldingly fixed on, the work
Moving template pressing plate pressing fixes tenon collapsible form with side form on connecting plate.
Further, the connecting plate is the annular slab enclosed around tenon template portion outer wall one, there is pressing on each annular slab
Four collapsible form pressing plates.
In addition, the guide assembly includes sliding slot, slide bar and the support frame on bed die, slide bar one end insertion is slided
In slot, the other end is fixed by vertical connecting rod with slide bar, and support frame as described above is that be fixed on bed die two are disposed in parallel
Support plate, is equipped with three rolling bearings between two support plates, described slide bar one end pass through the rolling bearing of lower part two and
It is plugged in sliding slot after between the rolling bearing of one, top.
It is further preferred that the bed die bottom is equipped with the bracket with idler wheel, the bracket includes being supported below bed die
Vertical supporting and be fixed on the horizontally-supported frame of vertical supporting, the idler wheel is fixed on horizontally-supported frame.
Utilize the method for the prefabricated tunnel rail flowering structure prefabricated section of tunnel rail flowering structure prefabricated section mold, which is characterized in that packet
Include following steps:
Step 1: cleaning mold and framework of steel reinforcement enter mould: the surface contacted in cleaning mold with concrete, and even application demoulds
Agent, lifting tunnel rail flowering structure prefabricated section framework of steel reinforcement enter mould, get togather side form and end mould, and tighten bolt；
Step 2: lifting cross beam and built-in fitting: lifting top cross-bar simultaneously fastens in place, and installation of embedded parts is being formulated position, institute
Stating built-in fitting includes hand hole perforating device, hole for hoist perforating device and grout hole perforating device；
Step 3: casting concrete: casting concrete is simultaneously vibrated molding using form vibrator, with concrete surface when vibrating
Stop unobvious, the no longer significant generation of concrete surface blistering that sinks or sink, surface, which has mortar to glow, to be advisable, to guarantee coagulation
Soil filling vibration compacting；After the completion of concreting, slightly smeared it is levelling, this to receive face for the first time, then it is quiet stop after carry out the
Secondary receipts face, and carry out hair pulling treatment；
Step 4: resting: continuing to rest to concrete initial set, remove grout hole perforating device in time, concrete surface is covered and is moulded
Expect film, starts steam curing, the steam curing is steam-cured using steaming kiln or maintenance canopy cover is steam-cured；
Step 5: demoulding: maintenance is completed after reaching design strength of mould stripping, unclamps all fastening bolts in order, it is horizontal to hang out top
Beam removes the tenon collapsible form on side form using demoulding reaction frame later, opens side form and end mould, splits out prefabricated section, natural
Maintenance at least 8 days, after reaching design strength, transport to assembled place is come into operation, so far, using tunnel rail flowering structure prefabricated section
The prefabricated tunnel rail flowering structure of mold is completed.
It is further preferred that the demoulding reaction frame in the step 5 is the U-shaped steel plate that middle part is equipped with perforation, the use
Demoulding reaction frame removes the specific packet following steps of tenon collapsible form on side form, backs out screw and nut first, and demoulding is anti-
Power frame tips upside down on side form, the perforation of U-shaped steel plate is passed through using bolt, and after screwing on demoulding nut, continue inwardly movement until
It screws with the nut one of tenon collapsible form, is later removed tenon collapsible form using demoulding reaction frame.
It is further preferred that getting togather side form in the step 1 and terminal mould body includes the following steps, promote-side mould makes to hold
Slide bar below mould inwardly moves along the chute, until end mould is abutted with bed die, tightens the bolt of end mould and bed die, gets togather end mould；
It pushes side form to move the slide bar below side form inwardly along the chute, until side form is abutted with bed die, is used again after tightening by hand bolt
Specific purpose tool is tightened from middle position to both ends sequence, gets togather side form.
It is further preferred that the steaming kiln in the step 4 in steam curing is steam-cured for for using flow production line
When formula is prefabricated, maintenance canopy cover in the steam curing it is steam-cured for it is desk-top prefabricated using stent when, maintenance canopy cover includes
The liner and lid that steel skeleton is welded overlay on the canvas outside liner, and the steam curing process includes heating, constant temperature and cooling.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
Tenon collapsible form of the present invention is Demountable, is first about to the dismounting of tenon collapsible form when carrying out demoulding, effectively
It solves prior art demoulding finished product and breaks the technical issues of splitting；Pass through guide assembly connection between bed die of the present invention, side form and end mould
It is fixed, it greatly solves to tear open between template in the prior art and closes inconvenient technical problem, entire work progress is simple and fast, can
Carry out flow line production, greatly solve in the prior art in construction technology it is long in time limit, safety is low, unstable quality, civilization are applied
The problem of work difference.
The present invention has the characteristics that safety, is applicable in, and has good promotion and practical value, and can produce after extensive popularization and application
Raw good economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tunnel rail flowering structure prefabricated section mold of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural schematic diagram before side form of the present invention molding；
Fig. 4 is the structural schematic diagram after side form of the present invention molding；
Fig. 5 is the fixed form embodiment one of tenon collapsible form of the present invention and side form；
Fig. 6 is the fixed form embodiment two of tenon collapsible form of the present invention and side form；
Fig. 7 is of the present invention be demoulding reaction frame of the present invention usage mode example diagram；
Fig. 8 is the side view of Fig. 7.
Appended drawing reference: 1- bed die；2- side form；The end 3- mould；4- tenon collapsible form；41- tenon template portion；42- interconnecting piece；
43- screw；44- nut；45- collapsible form pressing plate；5- groove template；6- sliding slot；7- slide bar；8- support frame；9- is vertically connected
Bar；10- rolling bearing；11- idler wheel；12- bracket；13- crossbeam；14- hand hole perforating device；15- grout hole perforating device；16- lifting
Hole perforating device；17- demoulding reaction frame；18- nut one.
Specific embodiment
For realize the present invention technological means, character of innovation, reach purpose and effect is easy to understand, below to
Invention further illustrates.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.
Tunnel rail flowering structure prefabricated section mold, as shown in Fig. 2, including bed die 1, being fixed on the side form 2 of 1 two sides of bed die and consolidate
It is scheduled on the end mould 3 at 1 both ends of bed die, bed die 1, side form 2 and end mould 3 surround flat lower musical form cavity body structure, and side form 2 and end mould 3 are equal
Connect by several groups guide assembly with bed die 1, side form 2 and end mould 3 be bonded with bed die 1 after be fastened by bolts, 1 bottom of bed die
Equipped with the bracket 12 for having idler wheel 11, bracket 12 includes being supported on the vertical supporting of 1 lower section of bed die and being fixed on vertical supporting
Horizontally-supported frame, idler wheel 11 are fixed on horizontally-supported frame；Tenon collapsible form 4 and recessed is respectively equipped on two sides side form 2
Slot template 5, tenon collapsible form 4 and 2 detachable connection of side form, as shown in Fig. 2, being equipped with crossbeam between 3 top surface of both ends end mould
13, tenon collapsible form 4 includes for pouring the tenon template portion 41 to form tenon and the interconnecting piece for being fixed on side form 2
42,41 bottom surface outer wall of tenon template portion is equipped with nut 1, and interconnecting piece 42 is the company being fixed on 41 outer wall of tenon template portion
Fishplate bar, connecting plate is fixed by bolt assembly and side form 2, as shown in figure 5, bolt assembly includes screw 43, collapsible form pressing plate
45 and it is weldingly fixed on 2 top nut 44 of side form, screw 43 is threadedly coupled after passing through collapsible form pressing plate 45 with nut 44, movable mold
45 pressing of plate pressing plate is fixed by tenon collapsible form 4 and side form 2 on connecting plate, and Fig. 6 is another reality of bolt assembly of the present invention
Example is applied, screw 43 is fixed also cross connecting plate and collapsible form pressing plate 45 and nut 44, at this point, collapsible form pressing plate 45 is suitable
In the effect of gasket；Connecting plate is the annular slab enclosed around 41 outer wall one of tenon template portion, and there are four living for pressing on each annular slab
Moving template pressing plate 45；Guide assembly includes sliding slot 6, slide bar 7 and the support frame 8 on bed die 1, and sliding slot 6 is inserted into 7 one end of slide bar
Interior, the other end is fixed with slide bar 7 by vertical connecting rod 9, and support frame 8 is two branch disposed in parallel being fixed on bed die 1
Fagging, three rolling bearings 10 are equipped between two support plates, and 7 one end of slide bar passes through the rolling bearing 10 of lower part two and top one
It is plugged on after between root rolling bearing 10 in sliding slot 6.
Utilize the method for the prefabricated tunnel rail flowering structure prefabricated section of tunnel rail flowering structure prefabricated section mold, comprising the following steps:
Step 1: cleaning mold and framework of steel reinforcement enter mould: the surface contacted in cleaning mold with concrete, and even application demoulds
Agent, lifting tunnel rail flowering structure prefabricated section framework of steel reinforcement enter mould, get togather side form 2 and end mould 3, and tighten bolt；Such as the institute of Fig. 3 and 4
Show, gets togather side form 2 and end mould 3 specifically includes following steps, promote-side mould 3 makes to hold the 6 inside fortune along the chute of the slide bar 7 below mould 3
It is dynamic, until end mould 3 is abutted with bed die 1, the bolt of end mould 3 and bed die 1 is tightened, gets togather end mould 3；Side form 2 is pushed to make 2 lower section of side form
The 6 inwardly movement along the chute of slide bar 7 use specific purpose tool by centre again after tightening by hand bolt until side form 2 abuts with bed die 1
Position is tightened to both ends sequence, gets togather side form 2.
Step 2: lifting cross beam 13 and built-in fitting: lifting top cross-bar 13 simultaneously fastens in place, and installation of embedded parts is being formulated
Position, the built-in fitting include hand hole perforating device 14, hole for hoist perforating device 16 and grout hole perforating device 15.
Step 3: casting concrete: casting concrete is simultaneously vibrated molding using form vibrator, with concrete when vibrating
Surface stops unobvious, the no longer significant generation of concrete surface blistering that sinks or sink, and surface, which has mortar to glow, to be advisable, to guarantee
Concrete Filled vibration compacting；After the completion of concreting, slightly smeared it is levelling, this for for the first time receive face, then it is quiet stop it is laggard
Second of receipts face of row, and carry out hair pulling treatment.
Step 4: resting: continuing to rest to concrete initial set, grout hole perforating device 15 is removed in time, by concrete surface
Plastic covering film starts steam curing, and steam curing is steam-cured using steaming kiln and maintenance canopy cover is steam-cured, the steaming in steam curing
It is steam-cured for when this technology is prefabricated using Production line wire type, the maintenance canopy cover in steam curing to be steam-cured for using solid to support kiln
When cover half is desk-top prefabricated, maintenance canopy cover includes liner that steel skeleton is welded and lid overlays on the canvas outside liner, and steam is supported
Shield process includes that heating, constant temperature and cooling, heating rate are not greater than 15 DEG C/h, and cooling rate is not greater than 10 DEG C/h, coagulation
Core portion maximum temperature must not be higher than 55 DEG C.
Step 5: demoulding: maintenance is completed after reaching design strength of mould stripping, is unclamped all fastening bolts in order, is hung out top
Portion's crossbeam 13, removes the tenon collapsible form 4 on side form using demoulding reaction frame 17 later, and demoulding reaction frame 17 is equipped with for middle part
The U-shaped steel plate of perforation should also be equipped with nut corresponding with nut 1 as shown in Figure 8, be torn open using demoulding reaction frame 17 in perforation
Except the specific packet following steps of tenon collapsible form 4 on side form, screw 43 and nut 44 are backed out first, as shown in fig. 7, by demoulding
Reaction frame 17 tips upside down on side form 2, usesBoltAcross the perforation of U-shaped steel plate, after screw on demoulding nut 19, bolt is living to tenon
The nut 1 of moving template 4 screws, and is later removed tenon collapsible form 4 using demoulding reaction frame 17, opens side form 2 and end mould
3, prefabricated section is split out, natural curing at least 8 days, after reaching design strength, transport to assembled place was come into operation, and so far, was used
Rail flowering structure prefabricated section mold prefabricated tunnel rail flowering structure in tunnel is completed.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. tunnel rail flowering structure prefabricated section mold, it is characterised in that: including bed die (1), be fixed on the side forms of bed die (1) two sides
(2) and it is fixed on the end mould (3) at bed die (1) both ends, the bed die (1), side form (2) He Duanmo (3) surround flat lower musical form chamber
Body structure, side form (2) He Duanmo (3) are connect by several groups guide assembly with bed die (1), the side form (2) and end
Mould (3) is fastened by bolts after being bonded with bed die (1)；Tenon collapsible form (4) and recessed is respectively equipped on side form described in two sides (2)
Slot template (5), the tenon collapsible form (4) and side form (2) detachable connection.
2. tunnel rail flowering structure prefabricated section mold as described in claim 1, it is characterised in that: hold mould (3) top surface described in both ends
Between be equipped with crossbeam (13).
3. tunnel rail flowering structure prefabricated section mold as described in claim 1, it is characterised in that: the tenon collapsible form (4)
It is described convex including for pouring the tenon template portion (41) to form tenon and the interconnecting piece (42) for being fixed on side form (2)
Tenon template portion (41) bottom surface outer wall is equipped with nut one (18), and the interconnecting piece (42) is to be fixed on tenon template portion (41) outer wall
On connecting plate, the connecting plate is fixed by bolt assembly and side form (2), and the bolt assembly includes screw (43), activity
Template pressing plate (45) and it is weldingly fixed on side form (2) top nut (44), after the screw (43) passes through collapsible form pressing plate (45)
It is threadedly coupled with nut (44), collapsible form pressing plate (45) pressing is on connecting plate by tenon collapsible form (4) and side form
(2) fixed.
4. tunnel rail flowering structure prefabricated section mold as described in claim 1, it is characterised in that: the connecting plate is around tenon mould
The annular slab that plate portion (41) outer wall one encloses, there are four collapsible form pressing plate (45) for pressing on each annular slab.
5. tunnel rail flowering structure prefabricated section mold as described in claim 1, it is characterised in that: the guide assembly includes being set to
Sliding slot (6), slide bar (7) and support frame (8) on bed die (1), slide bar (7) one end insertion sliding slot (6) is interior, and the other end passes through
Vertical connecting rod (9) and slide bar (7) are fixed, and support frame as described above (8) is two supports disposed in parallel being fixed on bed die (1)
Plate, three rolling bearings (10) are equipped between two support plates, and described slide bar (7) one end passes through the rolling bearing of lower part two
(10) between the rolling bearing (10) of one, top after be plugged in sliding slot (6).
6. tunnel rail flowering structure prefabricated section mold as described in claim 1, it is characterised in that: bed die (1) bottom is equipped with
Bracket (12) with idler wheel (11), the bracket (12) include the vertical supporting being supported below bed die (1) and are fixed on perpendicular
To the horizontally-supported frame of support, the idler wheel (11) is fixed on horizontally-supported frame.
7. pre- using the tunnel prefabricated tunnel rail flowering structure of rail flowering structure prefabricated section mold as described in claim 1 ~ 6 any one
The method of clamp dog, which comprises the following steps:
Step 1: cleaning mold and framework of steel reinforcement enter mould: the surface contacted in cleaning mold with concrete, and even application demoulds
Agent, lifting tunnel rail flowering structure prefabricated section framework of steel reinforcement enter mould, get togather side form (2) He Duanmo (3), and tighten bolt；
Step 2: lifting cross beam (13) and built-in fitting: lifting top cross-bar (13) simultaneously fastens in place, and installation of embedded parts is being formulated
Position, the built-in fitting include hand hole perforating device (14), hole for hoist perforating device (16) and grout hole perforating device (15)；
Step 3: casting concrete: casting concrete is simultaneously vibrated molding using form vibrator, with concrete surface when vibrating
Stop unobvious, the no longer significant generation of concrete surface blistering that sinks or sink, surface, which has mortar to glow, to be advisable, to guarantee coagulation
Soil filling vibration compacting；After the completion of concreting, slightly smeared it is levelling, this to receive face for the first time, then it is quiet stop after carry out the
Secondary receipts face, and carry out hair pulling treatment；
Step 4: resting: continuing to rest to concrete initial set, remove grout hole perforating device (15) in time, concrete surface is covered
Lid plastic film starts steam curing, and the steam curing is steam-cured using steaming kiln or maintenance canopy cover is steam-cured；
Step 5: demoulding: maintenance is completed after reaching design strength of mould stripping, unclamps all fastening bolts in order, it is horizontal to hang out top
Beam (13) removes the tenon collapsible form (4) on side form using demoulding reaction frame (17) later, opens side form (2) He Duanmo
(3), prefabricated section is split out, natural curing at least 8 days, after reaching design strength, transport was come into operation to assembled place, so far, was adopted
It is completed with the prefabricated tunnel rail flowering structure of tunnel rail flowering structure prefabricated section mold.
8. the method for utilizing the prefabricated tunnel rail flowering structure of tunnel rail flowering structure prefabricated section mold as claimed in claim 7, special
Sign is: the demoulding reaction frame (17) in the step 5 is the U-shaped steel plate that middle part is equipped with perforation, described to use demoulding reaction frame
(17) the specific packet following steps of tenon collapsible form (4) on side form are removed, screw (43) and nut (44) is backed out first, will tear open
Mould reaction frame (17) tips upside down on side form (2), the perforation of U-shaped steel plate is passed through using bolt, and after screwing on demoulding nut (19), after
Continuous inwardly movement is screwed up to the nut one (18) with tenon collapsible form (4), utilizes demoulding reaction frame (17) by tenon later
Collapsible form (4) is removed.
9. the method for utilizing the prefabricated tunnel rail flowering structure of tunnel rail flowering structure prefabricated section mold as claimed in claim 7, special
Sign is: getting togather side form (2) He Duanmo (3) in the step 1 and specifically includes following steps, promote-side mould (3) makes to hold mould (3)
The slide bar (7) of lower section inwardly moves along the chute (6), until end mould (3) is abutted with bed die (1), tightens end mould (3) and bed die (1)
Bolt, get togather end mould (3)；Side form (2) are pushed to move the slide bar (7) below side form (2) inwardly along the chute (6), until side
Mould (2) is abutted with bed die (1), is tightened again with specific purpose tool from middle position to both ends sequence after tightening by hand bolt, is got togather side
Mould (2).
10. special using the method for the prefabricated tunnel rail flowering structure of tunnel rail flowering structure prefabricated section mold as claimed in claim 7
Sign is: steaming kiln in the step 4 in steam curing it is steam-cured for it is prefabricated using Production line wire type when, the steam
Maintenance canopy cover in maintenance it is steam-cured for it is desk-top prefabricated using stent when, maintenance canopy cover include steel skeleton be welded it is interior
Lining and lid overlay on the canvas outside liner, and the steam curing process includes heating, constant temperature and cooling.
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| CN201811572037.6A CN109676749B (en) | 2018-12-21 | 2018-12-21 | Prefabricated block mold for tunnel rail lower structure and method for prefabricating tunnel rail lower structure by using prefabricated block mold |
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|---|---|---|---|
| CN201811572037.6A CN109676749B (en) | 2018-12-21 | 2018-12-21 | Prefabricated block mold for tunnel rail lower structure and method for prefabricating tunnel rail lower structure by using prefabricated block mold |
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| Publication Number | Publication Date |
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| CN109676749B CN109676749B (en) | 2023-12-01 |
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| CN110843125A (en) * | 2019-11-26 | 2020-02-28 | 中铁十一局集团第二工程有限公司 | Method for using box girder end template |
| CN112776155A (en) * | 2021-01-05 | 2021-05-11 | 天津丰桥筑工住宅工业有限公司 | Steam curing process for concrete member in pre-curing period |
| CN112895087A (en) * | 2021-01-21 | 2021-06-04 | 江苏银旭隧道机械有限公司 | Integral tunnel inverted arch block die |
| CN118756587A (en) * | 2024-07-29 | 2024-10-11 | 中交第四航务工程局有限公司 | A demoulding method for cast-in-place beam formwork |
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| CN112895087A (en) * | 2021-01-21 | 2021-06-04 | 江苏银旭隧道机械有限公司 | Integral tunnel inverted arch block die |
| CN118756587A (en) * | 2024-07-29 | 2024-10-11 | 中交第四航务工程局有限公司 | A demoulding method for cast-in-place beam formwork |
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