CN115179418A - Segmented manufacturing device and method for prestressed concrete slab long line platform - Google Patents
Segmented manufacturing device and method for prestressed concrete slab long line platform Download PDFInfo
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- CN115179418A CN115179418A CN202210814672.0A CN202210814672A CN115179418A CN 115179418 A CN115179418 A CN 115179418A CN 202210814672 A CN202210814672 A CN 202210814672A CN 115179418 A CN115179418 A CN 115179418A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004567 concrete Substances 0.000 claims abstract description 104
- 238000009415 formwork Methods 0.000 claims abstract description 37
- 230000011218 segmentation Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 230000002787 reinforcement Effects 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
Classifications
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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
- 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
- B28B23/04—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 the elements being stressed
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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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- 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
-
- 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
- B28B7/0002—Auxiliary parts or elements of the mould
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a sectional manufacturing device and a sectional manufacturing method for a long linear platform of a prestressed concrete slab, and belongs to the technical field of concrete slab manufacturing. The device includes long line platform, fixed side forms, can assemble side forms, middle side forms, compresses tightly the reinforcing bar, but plug side forms, high-pressure air gun and concrete collection dolly, and long line platform one side is provided with fixed side forms, and the opposite side is provided with can assemble side forms, can assemble the side forms through but plug side forms interconnect, and long line platform middle part is provided with middle side forms, and middle side forms upside is provided with through the long recess of semi-circle and compresses tightly the reinforcing bar. The invention can continuously pour concrete, realize high-efficiency assembly of the side formwork, enable the side formwork to be partially disassembled in the pouring process without influencing the pouring quality, facilitate high-efficiency segmentation of concrete slabs by a high-pressure air gun, simultaneously can simultaneously manufacture concrete slabs with two or more widths on one long-line platform, save labor and improve the production efficiency.
Description
Technical Field
The invention relates to a sectional manufacturing device and a sectional manufacturing method for a long linear platform of a prestressed concrete slab, and belongs to the technical field of concrete slab manufacturing.
Background
For the prefabrication of prestressed concrete slabs, the most common production methods of prefabrication component factories are two methods, namely a long line platform method and a small mould platform method. And (3) producing a small-sized mould platform, directly producing a prestressed concrete slab with a corresponding size, tensioning prestressed reinforcements and pouring concrete on the small-sized mould platform, maintaining and removing the mould and cutting off the prestressed reinforcements with redundant lengths. When a large amount of prestressed concrete slabs are produced, prestressed reinforcements need to be repeatedly tensioned, compared with a long line platform, the one-time tensioning efficiency is low, the overall production efficiency is low, and the factory capacity is not matched with the actual requirement; and cutting prestressed reinforcement many times can cause the waste of reinforcing bar, and manpower and materials cost increases, both resources are wasted, can't improve the profit again.
And (3) producing a long line platform, wherein an end template is not arranged, the prestressed reinforcement is stretched at one time, the concrete is poured continuously, after the concrete is cured to reach the designed strength, the prestressed reinforcement is stretched, and then the concrete and the prestressed reinforcement are directly cut at corresponding positions according to the size of the required concrete plate. But the direct cutting of concrete leads to low production efficiency, wastes manpower and material resources, is not beneficial to energy conservation and improves the production cost; the die table is easy to damage when concrete is cut, and the subsequent production work is influenced; cutting concrete also causes noise pollution and dust pollution, and is harmful to the environment.
Chinese patent document CN110253713B discloses a segmentation method for a long-line pedestal method precast concrete laminated slab bottom plate, which is to put a foldable segmentation plate before pouring precast concrete laminated slab bottom plate concrete, and remove the foldable segmentation plate by using a magnetic suction cup before concrete is poured and finally set, so that the precast concrete laminated slab bottom plate with overhanging steel bars can be prepared by the long-line pedestal method. The segmentation method is the same as that of arranging a plate end template on a long line platform, concrete can not be continuously poured, and the pouring efficiency is low. And the folding type sectional plate is heavy in weight and not easy to remove, a release agent needs to be brushed before use, concrete needs to be cleaned after use, and the production efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the segmented manufacturing device for the long linear platform of the prestressed concrete slab, which can continuously pour concrete, realize the efficient assembly of the side template, ensure that the side template can be partially disassembled in the pouring process without influencing the pouring quality, facilitate the efficient segmentation of the concrete slab by a high-pressure air gun, simultaneously manufacture the concrete slabs with two or more widths on one long linear platform, save labor and improve the production efficiency.
The invention also provides a manufacturing method of the device for manufacturing the long linear platform of the prestressed concrete slab in sections.
The technical scheme of the invention is as follows:
the utility model provides a prestressing force concrete slab long line platform segmentation making devices, including long line platform, fixed side forms, can assemble the side forms, middle side forms, compress tightly the reinforcing bar, but plug side forms, the dolly is collected to high pressure air gun and concrete, long line platform one side is provided with fixed side forms, the opposite side is provided with can assemble the side forms, but can assemble the side forms through plug side forms interconnect, long line platform middle part is provided with middle side forms, middle side forms upside is provided with through semi-circular full length recess and compresses tightly the reinforcing bar.
Preferably, the other side of the long thread table is fixedly provided with a magnetic box, and the side template capable of being assembled is fixed on the magnetic box in an adsorption manner.
Preferably, but plug side forms cross-section with can assemble the side forms cross-section the same, but plug side forms bottom is provided with magnet, but plug side forms both sides are provided with the connecting plate, can assemble the side forms both sides and be provided with vertical breach, but will be adjacent through plug side forms assemble the side forms and connect.
The manufacturing method of the device for manufacturing the long line platform of the prestressed concrete slab in sections comprises the following steps:
(1) Fixing the fixed side template on the long line platform through bolts, wherein bolt holes on the long line platform correspond to bolt holes on the fixed side template;
(2) According to the designed span of the concrete slab, the length of the selected side template capable of being assembled is the same as the span of the concrete slab, and 2 adjacent side templates capable of being assembled are connected through a pluggable side template;
(3) Selecting middle side formworks which have the same length and height as the assembled side formworks, placing all the middle side formworks on a long line platform according to preset positions, placing compression reinforcing steel bars in semicircular through long grooves on the middle side formworks, tensioning the compression reinforcing steel bars to fix the middle side formworks against displacement, and dividing the middle side formworks into two concrete plates, wherein the widths of the two concrete plates can be the same or different, namely a concrete plate I and a concrete plate II;
(4) At least 2 rows of steel bar clamping seats are respectively arranged on the long thread platforms on the two sides of the middle side template side by side, the number of the rows of the steel bar clamping seats can be determined according to the width of a concrete slab, transverse steel bars are arranged on the steel bar clamping seats, prestressed steel bars are arranged on the transverse steel bars side by side, the steel bar clamping seats are used as supports of the transverse steel bars, the transverse steel bars are used as supports of the prestressed steel bars, and the thickness of a concrete protective layer of the prestressed steel bars can be accurately controlled;
(5) Stretching prestressed reinforcements of the concrete slab according to design requirements, and anchoring after stretching is finished;
(6) Continuously pouring concrete by adopting an automatic distributing machine, and simultaneously vibrating tightly;
(7) After the concrete is initially set, a high-pressure air gun is prepared on one side of the fixed side template, the high-pressure air gun is provided with a telescopic rod and a carrying trolley, a concrete collecting trolley is prepared on the relative position of one side of the side template capable of being assembled, the pluggable side template is pulled out from the notch, a side template plug-in is inserted into the vertical notch of the side template capable of being assembled, the residual concrete at the notch is prevented from being cleaned after the template is disassembled, the side template capable of being assembled is tightly propped by a baffle on the concrete collecting trolley, then the high-pressure air gun starts to work from one side of the pluggable side template, the high-pressure air gun moves to one side of the fixed side template, and the concrete in the separated area is blown into the concrete collecting trolley;
(8) Repeating the step (7), and blowing the concrete in all the separated areas into the concrete collecting trolley;
(9) And when the strength of the concrete reaches 75% of the design value, releasing the prestressed reinforcing steel bars, dismantling the assembled side template, and cutting the prestressed reinforcing steel bars in the separation area to finish the segmented manufacturing of the concrete slab.
Preferably, in the step (1), the diameter of a screw rod of each bolt is more than or equal to 8mm, and the distance between the bolts is less than or equal to 200mm, so that slurry does not leak in the concrete pouring process.
Preferably, in the step (2), the distance between every two adjacent 2 side templates capable of being assembled is 20-30 mm, and the surfaces of the side templates capable of being plugged and unplugged are tightly wrapped with plastic films or are coated with release agents on the side contacting with concrete, so that the demolding is convenient.
Preferably, in the step (4), the transverse steel bars are plain steel bars with the diameter being more than or equal to 5mm, and the laying distance is 600mm.
Preferably, in the step (7), the side template inserts are consistent with the vertical notches of the splicing templates in shape.
The invention has the beneficial effects that:
1) The sectional manufacturing method of the prestressed concrete slab long line platform can continuously pour concrete, fully utilizes the width of the long line platform, and simultaneously pours two or more concrete slabs on one long line platform, thereby saving manpower and material resources, efficiently sectioning the concrete slabs and greatly improving the production efficiency.
2) The middle edge template can realize the pouring partition of two concrete plates, and the position of the middle edge template can be flexibly adjusted, so that the concrete plates with different widths can be produced according to the design requirement, and the width of the long abutment is efficiently utilized; because the requirements on the bearing capacity and rigidity of the middle template are low, the template made of aluminum alloy, plastic or other light composite materials can be used, the self weight of the template is reduced, the template is not easy to rust and can be repeatedly used.
3) The transverse steel bar is used as a support of the prestressed steel bar, the prestressed steel bar is convenient to arrange, the lower surface of the prestressed steel bar is guaranteed to be at the same height, and the thickness of the prestressed reinforced concrete protective layer can be controlled according to the height of the upper surface of the transverse steel bar.
4) The pluggable side formwork fixing mode is simple and reliable, the pluggable side formwork can be assembled and disassembled with different lengths at high efficiency, the part of the assembled side formwork can be disassembled on the premise of not influencing concrete pouring and maintenance, a high-pressure air gun can blow concrete from the position conveniently to realize segmentation, a release agent is not required to be coated on a large area, a plastic film is used for wrapping, the surface concrete is convenient to clean, and the production efficiency is improved.
5) The high-pressure air gun can realize the efficient cleaning of concrete in the plate partition area, the concrete blown out by the high-pressure air gun can be recycled, and the resource waste caused by cutting the concrete after the form is removed is avoided; only need cut prestressing steel when segmenting concrete slab, it is very convenient, greatly improved assembly line production efficiency.
6) The side formwork plug-in is matched with the pluggable side formwork for use, so that concrete is prevented from being blown into the gap of the splicing side formwork, and residual concrete at the gap is prevented from being cleaned after the side formwork is disassembled.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a cross-sectional view of a fixed edge form and an erectable edge form of the present invention;
FIG. 5 is a cross-sectional view of an intermediate edge panel of the present invention;
FIG. 6 is an assembly view of the side forms of the present invention;
FIG. 7 is a schematic diagram of the pluggable side forms and the form plug-in of the present invention;
FIG. 8 is a cross-sectional view of a pluggable side form of the present invention;
FIG. 9 is a schematic view of the construction of the joint of the edge forms capable of being assembled according to the present invention;
FIG. 10 is a schematic view of the high pressure air gun of the present invention;
FIG. 11 is a schematic view illustrating the cutting of the prestressed reinforcement of the concrete slab according to the present invention;
in the figure, 1-a long thread platform, 2-a fixed side template, 3-a middle side template, 4-an assembled side template, 5-a pluggable side template, 6-a prestressed reinforcement, 7-a transverse reinforcement, 8-a reinforcement clamping seat, 9-a high-pressure air gun, 10-a concrete collecting trolley, 11-a baffle, 12-a bolt, 13-a pressing reinforcement, 14-a magnetic box, 15-a magnet, 16-a notch, 17-a connecting plate, 18-a side template insert, 19-a concrete slab chamfer, 20-a concrete slab I and 21-a concrete slab II.
Detailed Description
The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-11, this embodiment provides a prestressing force concrete slab long line platform segmentation making devices, including long line platform 1, fixed side forms 2, can assemble side forms 4, middle side forms 3, compress tightly reinforcing bar 13, but plug side forms 5, dolly 10 is collected to high-pressure air gun 9 and concrete, 1 one side of long line platform is provided with fixed side forms 2, the opposite side is provided with can assemble side forms 4, can assemble side forms 4 through but plug side forms 5 interconnect, 1 middle part of long line platform is provided with middle side forms 3, 3 upsides of middle side forms are provided with through the semicircular long recess and compress tightly reinforcing bar 13.
The other side of the long thread table 1 is fixedly provided with a magnetic box 14, and the side template 4 capable of being assembled is fixedly adsorbed on the magnetic box 14.
But 5 cross-sections of plug side forms are the same with can assembling 4 cross-sections of side forms, but 5 cross-sections of plug side forms are shown as figure 7 (a), but 5 bottoms of plug side forms are provided with magnet 15, but 5 both sides of plug side form are provided with connecting plate 17, can assemble 4 both sides of side forms and be provided with vertical breach 16, but will be adjacent through but the side forms connection of assembling of plug side forms.
The manufacturing method of the device for manufacturing the long line platform of the prestressed concrete slab in sections comprises the following steps:
(1) Fixing the fixed side template 2 on the long line platform 1 through bolts 12, wherein bolt holes on the long line platform correspond to bolt holes on the fixed side template;
(2) According to the designed span of the concrete slab, the length of the selected side template 4 which can be assembled is the same as the span of the concrete slab, and the adjacent 2 side templates 4 which can be assembled are connected through the pluggable side templates 5;
(3) Selecting middle side formworks 3 with the same length and height as the side formworks 4 capable of being assembled, placing all the middle side formworks 3 on the long linear platform 1 according to preset positions, placing compaction steel bars 13 in semicircular through long grooves on the middle side formworks 3, then tensioning the compaction steel bars 13 to fix the middle side formworks without displacement, and dividing the middle side formworks into two concrete plates, wherein the widths of the two concrete plates can be the same or different, namely a concrete plate I20 and a concrete plate II 21;
(4) At least 2 rows of steel bar clamping seats 8 are respectively arranged on the long thread platform 1 on two sides of the middle side template 3 side by side, the number of the rows of the steel bar clamping seats 8 can be determined according to the width of a concrete slab, transverse steel bars 7 are arranged on the steel bar clamping seats 8, prestressed steel bars 6 are arranged on the transverse steel bars 7 side by side, the steel bar clamping seats 8 are used as supports of the transverse steel bars 7, the transverse steel bars 7 are used as supports of the prestressed steel bars 6, and the thickness of a concrete protective layer of the prestressed steel bars can be accurately controlled;
(5) Stretching prestressed reinforcement 6 of the concrete slab according to design requirements, and anchoring after the stretching is finished;
(6) Continuously pouring concrete by using an automatic distributing machine, and simultaneously vibrating to compact;
(7) After the concrete is initially set, preparing a high-pressure air gun 9 on one side of the fixed side formwork 2, wherein the high-pressure air gun 9 is provided with a telescopic rod and a carrying trolley, preparing a concrete collecting trolley 10 on the opposite position of one side of the side formwork 4 capable of being assembled, then pulling out the pluggable side formwork 5 from the notch 16, inserting a side formwork insert 18 into the vertical notch 16 of the side formwork 4 capable of being assembled, wherein the side formwork insert 18 is shown in fig. 7 (b), so that the situation that residual concrete at the notch is cleaned after the formwork is disassembled is avoided, a baffle plate 11 on the concrete collecting trolley 10 tightly pushes up the side formwork 4 capable of being assembled, then the high-pressure air gun 9 starts to work from one side of the pluggable side formwork 5, and the high-pressure air gun 9 moves towards one side of the fixed side formwork 2 and blows the concrete in the separated area into the concrete collecting trolley;
(8) Repeating the step (7), and blowing the concrete in all the partition areas into a concrete collecting trolley;
(9) And when the strength of the concrete reaches 75% of the design value, the prestressed reinforcing steel bars 6 are tensioned, the side templates 4 capable of being assembled are disassembled, the prestressed reinforcing steel bars 6 in the separation areas are cut, and the segmented manufacturing of the concrete slab is completed.
In the step (1), the diameter of the screw of the bolt 12 is 8mm, and the distance between the bolts is 200mm, so that slurry does not leak in the concrete pouring process.
In the step (2), the distance between every two adjacent 2 side templates capable of being assembled is 20mm, and the surfaces of the side templates capable of being plugged and unplugged 5 are tightly wrapped with plastic films, so that the demolding is convenient.
In the step (7), the side template inserts 18 are consistent with the vertical notches of the splicing templates 4 in shape.
Example 2:
the manufacturing method of the prestressed concrete slab long line platform sectional manufacturing device comprises the steps of embodiment 1, and is characterized in that in the step (2), the distance between every two adjacent 2 assembled side templates is 30mm, and a release agent is coated on the contact side of a pluggable side template 5 and concrete.
Example 3:
the manufacturing method of the prestressed concrete slab long line platform sectional manufacturing device comprises the steps of embodiment 1, and is characterized in that in the step (4), the transverse steel bars 7 are plain round steel bars with the diameter of 5mm, and the laying interval is 600mm.
Claims (8)
1. The utility model provides a prestressing force concrete slab long line platform segmentation making devices, a serial communication port, including the long line platform, fixed side forms, can assemble the side forms, middle side forms, compress tightly the reinforcing bar, but plug side forms, the dolly is collected to high-pressure air gun and concrete, long line platform one side is provided with fixed side forms, the opposite side is provided with can assemble the side forms, can assemble the side forms through but plug side forms interconnect, long line platform middle part is provided with middle side forms, middle side forms upside is provided with through semi-circular logical long recess and compresses tightly the reinforcing bar.
2. The prestressed concrete slab long line platform subsection making device of claim 1, wherein a magnetic box is fixedly arranged on the other side of the long line platform, and the side template capable of being assembled is fixed on the magnetic box in an adsorption manner.
3. The prestressed concrete slab long line platform segment manufacturing device according to claim 2, characterized in that the section of the pluggable side forms is the same as the section of the side forms capable of being assembled, the bottom of the pluggable side forms is provided with magnets, the two sides of the pluggable side forms are provided with connecting plates, and the two sides of the side forms capable of being assembled are provided with vertical notches.
4. A method for manufacturing a segmental manufacturing device for a longline platform of prestressed concrete slabs according to claim 3, characterized by comprising the steps of:
(1) Fixing the fixed side template on the long line platform through bolts;
(2) According to the designed span of the concrete slab, the length of the selected side template capable of being assembled is the same as the span of the concrete slab, and 2 adjacent side templates capable of being assembled are connected through a pluggable side template;
(3) Selecting middle side formworks which have the same length and height as the side formworks capable of being assembled, placing all the middle side formworks on the long wire platform according to preset positions, placing compaction steel bars in semicircular through long grooves in the middle side formworks, and then tensioning the compaction steel bars;
(4) At least 2 rows of steel bar clamping seats are respectively arranged on the long-line platforms on the two sides of the middle side template side by side, transverse steel bars are arranged on the steel bar clamping seats, and prestressed steel bars are arranged on the transverse steel bars side by side;
(5) Stretching prestressed reinforcements of a concrete slab according to design requirements, and anchoring after stretching is finished;
(6) Continuously pouring concrete by adopting an automatic distributing machine, and simultaneously vibrating tightly;
(7) After the concrete is initially set, preparing a high-pressure air gun at one side of the fixed side template, preparing a concrete collecting trolley at a relative position of one side of the side template capable of being assembled, then pulling out the pluggable side template from the gap, inserting the side template plug-in at the vertical gap of the side template capable of being assembled, tightly pushing a baffle plate on the concrete collecting trolley against the side template capable of being assembled, then starting working by the high-pressure air gun from one side of the pluggable side template, moving the high-pressure air gun to one side of the fixed side template, and blowing the concrete in the separation area into the concrete collecting trolley;
(8) Repeating the step (7), and blowing the concrete in all the separated areas into the concrete collecting trolley;
(9) And when the strength of the concrete reaches 75% of the design value, stretching the prestressed reinforcing steel bars, dismantling the side templates capable of being assembled, and cutting the prestressed reinforcing steel bars in the separation area to finish the segmented manufacturing of the concrete slab.
5. The manufacturing method of the segmental manufacturing device for the long linear stage of the prestressed concrete slab as claimed in claim 4, wherein in the step (1), the diameter of a screw rod of a bolt is more than or equal to 8mm, and the distance between bolts is less than or equal to 200mm, so that slurry does not leak in the concrete pouring process.
6. The method for manufacturing the device for manufacturing the long linear platform of the prestressed concrete slab as claimed in claim 4, wherein in the step (2), the distance between every two adjacent 2 side forms capable of being assembled is 20mm to 30mm, and the surface of each side form capable of being plugged and pulled is tightly wrapped with a plastic film or coated with a release agent.
7. The method for manufacturing a prestressed concrete slab long line platform sectional manufacturing device according to claim 4, wherein in the step (4), the transverse steel bars are plain steel bars with the diameter of not less than 5mm, and the laying interval is 600mm.
8. The method for manufacturing the prestressed concrete slab long line platform sectional manufacturing device according to claim 4, wherein in the step (7), the side formwork inserts are consistent with the shapes of the vertical notches of the splicing formworks.
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| CN202210814672.0A CN115179418B (en) | 2022-07-11 | 2022-07-11 | Device and method for manufacturing prestressed concrete slab long line table section |
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| CN202210814672.0A CN115179418B (en) | 2022-07-11 | 2022-07-11 | Device and method for manufacturing prestressed concrete slab long line table section |
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| CN115179418B CN115179418B (en) | 2024-01-12 |
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| US6059199A (en) * | 1996-10-21 | 2000-05-09 | Cxt, Incorporated | Road transportable segmental concrete railroad tie long-line production system |
| CN1709680A (en) * | 2005-06-28 | 2005-12-21 | 康玉范 | Rapid-mounting-dismounting integral-pouring polyurethane connecting device |
| CN204725660U (en) * | 2015-04-29 | 2015-10-28 | 北京星航机电装备有限公司 | A kind of concrete prefabricated sheet material production line mould |
| CN108466439A (en) * | 2018-01-31 | 2018-08-31 | 倪惠芳 | A kind of positioning built-in fitting of aerospace composite material mould |
| CN212802545U (en) * | 2020-08-08 | 2021-03-26 | 河北建设集团股份有限公司 | Whole design construction templates of steel closed stair |
| CN214090986U (en) * | 2020-11-27 | 2021-08-31 | 江西省昌博实业有限公司 | Upright post template convenient for blanking |
| CN216658370U (en) * | 2021-09-29 | 2022-06-03 | 三一绿建(重庆)实业有限公司 | Concrete prefabricated part mould that commonality is strong |
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