CN106142339A - A kind of automatic production line of mechanical presses molding prestressed concrete base plate - Google Patents
A kind of automatic production line of mechanical presses molding prestressed concrete base plate Download PDFInfo
- Publication number
- CN106142339A CN106142339A CN201510194022.0A CN201510194022A CN106142339A CN 106142339 A CN106142339 A CN 106142339A CN 201510194022 A CN201510194022 A CN 201510194022A CN 106142339 A CN106142339 A CN 106142339A
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- Prior art keywords
- concrete
- production line
- bar
- track
- automatic production
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 238000000465 moulding Methods 0.000 title claims abstract description 38
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 68
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000001258 synovial membrane Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
-
- 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
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/026—Feeding the moulding material in measured quantities from a container or silo by using a movable hopper transferring the moulding material to the moulding cavities
-
- 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
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The present invention relates to a kind of building floor production line, the automatic production line of a kind of mechanical presses molding prestressed concrete base plate.Including production platform, deformed bar tensioning system, dry concrete mixing plant, concrete conveyer bucket, concrete shaping equipment, bar cutter and a trigger, wherein the two ends of production platform are provided with deformed bar tensioning system, the operation of stretch-draw is carried out for completing deformed bar, concrete shaping equipment is slidably mounted on production platform, for completing the operation of automatic pouring concrete and baseplate molding, dry concrete mixing plant has been used for preparation and the operation of stirring dry concrete, concrete conveyer bucket has been used for the transport operation of dry concrete, bar cutter and play that trigger is respectively used to the cutting of reinforcing bar after prestressed concrete baseplate molding and base plate play plate operation.Present invention process is simple, reliable in quality, curing cycle are short, with low cost.
Description
Technical field
The present invention relates to a kind of building floor production line, specifically a kind of mechanical presses molding prestressing force
The automatic production line of concrete floor.
Background technology
In traditional building floor design and construction, general employing cast-in-place concrete floor form, due to
Steel bar meter, colligation, template construct and support, concreting are the completeest with maintenance molding
Become, processing place, labour cost, template are used and cause bigger waste, the most also to building periphery
Environment defines pollution.
The application of laminated floor slab technology solves this difficult problem, and this technology is that the base plate of floor is pre-in factory
After making, transport to job site, is placed in architecture storey position by design requirement lifting, and thereon
Arrange certain reinforcing bar, then casting concrete defines and prefabricated adds cast-in-place laminated floor slab, such prefabricated panel
Just can eliminate, as the template of part cast-in-place on it, the bed die operation supporting floor, save a large amount of
Template and labour cost, accelerate construction speed, and meanwhile, the reinforcing bar arranged in prefabricated panel can be as folded
The bottom steel bar stress of plywood uses, and decreases the processing capacity of on-the-spot reinforcing bar, has saved processing place.
At present, laminated floor slab base plate uses moist concrete to build the conventional art of mold forming, and the method has
Have by artificial affecting big, the shortcomings such as curing cycle is long, difficult quality guarantee
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of mechanical presses molding prestressed concrete
The automatic production line of base plate.This production line has that technique is simple, reliable in quality, curing cycle is short, become
This cheap advantage.The product produced has that size is accurate, intensity is high, rigidity is big, from heavy and light, saving
Amount of reinforcement, quality are high, facilitate the features such as hoisting transportation.
To achieve these goals, the present invention is by the following technical solutions:
A kind of automatic production line of mechanical presses molding prestressed concrete base plate, including production platform,
Deformed bar tensioning system, dry concrete mixing plant, concrete conveyer bucket and concrete become automatically
Type equipment, wherein production platform be respectively arranged at two ends with a deformed bar tensioning system, described pre-should
Power reinforced bar stretching system has been used for deformed bar and has carried out the operation of stretch-draw, described concrete automatic moulding
Equipment is slidably mounted on production platform, has been used for the work of automatic pouring concrete and baseplate molding
Sequence, described dry concrete mixing plant has been used for preparation and the operation of stirring dry concrete, institute
State concrete conveyer bucket to transport to concrete shaping equipment for the dry concrete that will stir
In.
Described production platform includes basis, track and baseplate molding base station, wherein baseplate molding base under track
Platform be respectively provided on two sides with under a track basis, under each track on the basis of be equipped with one along its length
Track, described concrete shaping equipment be arranged at above baseplate molding base station and with both sides track sliding
It is dynamically connected.
Described baseplate molding base station includes bottom screed, the load-bearing being laid on the most successively on the soil body
Layer, top screed and basal plane, basis and rail under wherein the both sides of basal plane lay respectively at corresponding track
Between road.
Described baseplate molding base station farther includes heat-barrier material, underground heat pipeline and middle part screed, wherein
Heat-barrier material is layed between the soil body and bottom screed, described underground heat pipeline and middle part screed by down to
On be layed in bottom screed and supporting course between.Described supporting course is laid by concrete and with parallel track
Reinforcing bar make.Described basal plane is steel plate.
Described deformed bar tensioning system includes counter-force pier, deformed bar anchor plate and presstressed reinforcing steel anchor
Tool, described production platform be respectively arranged at two ends with a counter-force pier, along being perpendicular to track side on each counter-force pier
To being equipped with a deformed bar anchor plate, described deformed bar anchor plate is provided with along its length
Multiple through holes passed for deformed bar, described presstressed reinforcing steel anchorage is used for will be by deformed bar anchor
Gu the deformed bar end anchorage that the through hole on plate passes.
This automatic production line farther includes bar cutter and plays trigger, and described bar cutter is used for
The cutting of reinforcing bar after prestressed concrete baseplate molding, described trigger becomes for prestressed concrete base plate
The lifting of base plate after type.
This automatic production line farther includes Automatic vehicle for cleaning road, and described Automatic vehicle for cleaning road is for entering production line
Row is removed clean.
Advantages of the present invention and providing the benefit that:
1. the present invention meets the demand for development of China's architectural industrialization and green building.
2. the present invention can realize batch production processing, and technique is simple, and automaticity is high, improves component raw
Produce precision and curing cycle is short, save cost of labor, save the target of amount of reinforcement.
3. the present invention passes through extruding stem rigid concrete moulding prefabricated prestressed concrete base plate, and at this end
Plate is configured with pre-tensioned prestressing reinforcing bar and the production line of regular reinforcement mesh sheet.
4. present invention, avoiding that moist concrete formation is big by artificial affecting, length curing cycle, difficult quality
The shortcoming ensured, simultaneously as the plant equipment that have employed automatic moulding produces, is effectively increased
The production precision of base plate, saves cost of labor, is greatly shortened the concrete curing cycle.
5. due to the fact that and have employed partial prestressing reinforcing bar, can be effectively increased the cracking resistance of base plate with
Reduce the amount of deflection of base plate, increase floor while reducing arrangement of reinforcement total amount and be suitable for span.
6. the present invention can carry out high-volume mechanization production superimposed sheet base plate, can be widely used in cast-in-place
Xoncrete structure, cast in place and precast construction, masonry structure and steel construction etc. are almost all kinds of civilian
Among the floor production of industrial building.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the longitudinal profile structural representation of Fig. 1；
Fig. 3 is the horizontal section structural representation of Fig. 1；
Fig. 4 is production process schematic diagram of the present invention.
Wherein: 1 is the soil body, 2 is basis under track, and 3 is counter-force pier, and 4 is deformed bar anchor plate,
5 is heat-barrier material, and 6 is bottom screed, and 7 is underground heat pipeline, and 8 is middle part screed, and 9 is supporting course,
10 is top screed, and 11 is basal plane, and 12 is track, and 13 is reinforced mesh, and 14 is deformed bar,
15 is suspension hook, and 16 is presstressed reinforcing steel anchorage, and 17 is concrete shaping equipment, and 18 is base plate.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
As Figure 1-3, the present invention includes that production platform, deformed bar tensioning system, dry are mixed
Solidifying soil mixing station, concrete conveyer bucket, concrete shaping equipment 17, bar cutter, a trigger
And Automatic vehicle for cleaning road, wherein production platform be respectively arranged at two ends with a deformed bar tensioning system, institute
Stating deformed bar tensioning system and carry out the operation of stretch-draw for completing deformed bar, described concrete is certainly
Dynamic former 17 is slidably mounted on production platform, has been used for automatic pouring concrete and base plate
The operation of molding, described dry concrete mixing plant has been used for preparation and has stirred dry concrete
Operation, described concrete conveyer bucket has been used for the transport operation of dry concrete, and described reinforcing bar cuts
Machine and play that trigger is respectively used to the cutting of reinforcing bar after prestressed concrete baseplate molding and base plate play plate work
Sequence, described Automatic vehicle for cleaning road, for being carried out production line, produces ready for next time.
Described production platform includes basis 2, track 12 and baseplate molding base station under track, and wherein base plate becomes
Type base station be respectively provided on two sides with under a track basis 2, under each track basis 2 on be all provided with along its length
Have a track 12, described concrete shaping equipment 17 to be arranged at above baseplate molding base station and with
Two siding tracks 12 are slidably connected.
Described baseplate molding base station includes the bottom screed 6 being laid on the most successively on the soil body 1, holds
Double-layer 9, top screed 10 and basal plane 11, wherein the both sides of basal plane 11 lay respectively at corresponding rail
Under road between basis 2 and track 12, described basal plane 11 can use steel plate.
Described baseplate molding base station farther includes heat-barrier material 5, underground heat pipeline 7 and middle part screed 8,
Wherein heat-barrier material 5 is layed between the soil body 1 and bottom screed 6, described underground heat pipeline 7 and middle part
Screed 8 is layed between bottom screed 6 and supporting course 9 from the bottom to top.Described supporting course 9 is by mixing
Solidifying soil and the reinforcing bar with track 12 parallel laid are made.
Described deformed bar tensioning system includes counter-force pier 3, deformed bar anchor plate 4 and presstressed reinforcing steel
Anchorage 16, described production platform be respectively arranged at two ends with a counter-force pier 3, along vertical on each counter-force pier 3
A deformed bar anchor plate 4 it is equipped with, on described deformed bar anchor plate 4 in track 12 direction
Being provided with multiple through hole passed for deformed bar along its length, described presstressed reinforcing steel anchorage 16 is used for
The deformed bar end anchorage that will be passed by the through hole on deformed bar anchor plate 4, deformed bar
Anchor plate 4 is steel plate.
The design of described production platform with process of construction is:
By design requirement, the soil body 1 under production line in Factory Building is tamped；Complete under track basis 2 and anti-
The reinforcing bar binding of power pier 3 and concreting, and deformed bar anchor plate 4 is imbedded in counter-force pier 3；
Laying production line bottom heat-barrier material 5 is the most levelling by bottom screed 6；On bottom screed 6 upper berth
If underground heat pipeline 7, more levelling by middle part screed 8；Middle part screed 8 is laid production line load-bearing
The reinforcing bar of layer 9 casting concrete, more levelling by top screed 10；On top screed 10 upper berth
If basal plane 11 (steel plate)；Lay track 12 in basal plane 11 both sides and fix with bolt, if in China
Non-heating region, south, it is convenient to omit the construction work of heat-barrier material 5, underground heat pipeline 7 and middle part screed 8
Sequence.
The laminated floor slab production process of mechanical presses molding prestressed concrete base plate, as shown in Figure 4:
By the floor specification of design requirement, lay regular reinforcement mesh sheet 13 and deformed bar 14, install
Lifting suspension hook 15；
Prestressing muscle anchorage 16, prestressed reinforcement of tensioning 14；
Carry out dry concrete proportioning by dry concrete mixing plant by designing and calculate concrete use
Amount, after sand, stone, concrete, water and additive are sufficiently stirred in dry concrete mixing plant,
The concrete reaching to design calling hierarchy can be produced；
Concrete shaping equipment 17 is lifted on the track 12 of production platform, by concrete conveyer bucket
The concrete being stirred is poured in concrete shaping equipment 17, along with concrete shaping equipment
17 operations on the track 12, now concrete shaping equipment 17 automatic blanking, vibrate, molding,
Complete the operation of automatic pouring concrete and baseplate molding.If produced at the northern area of China Heating Period, also
Need to open boiler plant, the thermal source of concrete curing is provided by underground heat pipeline 7；
Base plate 18 after mechanical presses molding is carried out covering curing；
Concrete, after maintenance reaches intensity, is put tension prestress reinforcing bar, is cut off prestress steel with bar cutter
Muscle, plays plate with playing trigger, piles up to rickyard；
The concrete residue that remains on production platform is removed clean with reinforcing bar bits by Automatic vehicle for cleaning road, under secondary
Produce ready.
In the present embodiment, described concrete shaping equipment uses synovial membrane machine.In the Factory Building built up
Building production platform, this platform can be independent one, it is also possible to several discharges arranged side by side, width can be by design
Require to use different moduluses.
Claims (9)
1. the automatic production line of a mechanical presses molding prestressed concrete base plate, it is characterised in that
Including production platform, deformed bar tensioning system, dry concrete mixing plant, concrete conveyer bucket
And concrete shaping equipment (17), wherein production platform be respectively arranged at two ends with a deformed bar
Tensioning system, described deformed bar tensioning system has been used for deformed bar and has carried out the operation of stretch-draw,
Described concrete shaping equipment (17) is slidably mounted on production platform, has been used for automatically
Casting concrete and the operation of baseplate molding, described dry concrete mixing plant has been used for preparation and has stirred
Mixing the operation of dry concrete, described concrete conveyer bucket is for the dry concrete that will stir
Transport to concrete shaping equipment (17).
2. the automatic production line as described in claim 1, it is characterised in that described production platform includes
Basis (2), track (12) and baseplate molding base station under track, wherein the both sides of baseplate molding base station are divided
It is not provided with under a track basis (2), under each track, on basis (2), is equipped with one along its length
Track (12), described concrete shaping equipment (17) be arranged at above baseplate molding base station and
It is slidably connected with two siding tracks (12).
3. the automatic production line as described in claim 2, it is characterised in that described baseplate molding base station
Including the bottom screed (6) being laid on the most successively on the soil body (1), supporting course (9), top
Portion's screed (10) and basal plane (11), wherein the both sides of basal plane (11) lay respectively at corresponding rail
Under road between basis (2) and track (12).
4. the automatic production line as described in claim 3, it is characterised in that described baseplate molding base station
Farther include heat-barrier material (5), underground heat pipeline (7) and middle part screed (8), the most heat insulation material
Material (5) be layed between the soil body (1) and bottom screed (6), described underground heat pipeline (7) and in
Portion's screed (8) is layed between bottom screed (6) and supporting course (9) from the bottom to top.
5. the automatic production line as described in claim 3, it is characterised in that described supporting course (9) by
Concrete and the reinforcing bar with track (12) parallel laid are made.
6. the automatic production line as described in claim 3, it is characterised in that described basal plane (11) is
Steel plate.
7. the automatic production line as according to any one of claim 2-6, it is characterised in that described pre-
Stress reinforced bar stretching system includes counter-force pier (3), deformed bar anchor plate (4) and presstressed reinforcing steel anchor
Tool (16), described production platform be respectively arranged at two ends with a counter-force pier (3), each counter-force pier (3)
Upper edge is perpendicular to track (12) direction and is equipped with a deformed bar anchor plate (4), described prestressing force
Multiple through hole passed for deformed bar it is provided with along its length on Bar Anchorage plate (4), described pre-
Stress rib anchorage (16) is for the prestress steel that will be passed by the through hole on deformed bar anchor plate (4)
Muscle end anchorage.
8. the automatic production line as described in claim 7, it is characterised in that this automatic production line enters
One step includes bar cutter and plays trigger, and described bar cutter is used for prestressed concrete baseplate molding
The cutting of rear reinforcing bar, described trigger lifting of base plate after prestressed concrete baseplate molding.
9. the automatic production line as described in claim 8, it is characterised in that this automatic production line enters
One step includes Automatic vehicle for cleaning road, and described Automatic vehicle for cleaning road is for being purged totally production line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194022.0A CN106142339A (en) | 2015-04-22 | 2015-04-22 | A kind of automatic production line of mechanical presses molding prestressed concrete base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194022.0A CN106142339A (en) | 2015-04-22 | 2015-04-22 | A kind of automatic production line of mechanical presses molding prestressed concrete base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106142339A true CN106142339A (en) | 2016-11-23 |
Family
ID=57346302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194022.0A Pending CN106142339A (en) | 2015-04-22 | 2015-04-22 | A kind of automatic production line of mechanical presses molding prestressed concrete base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106142339A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214837A (en) * | 2018-01-11 | 2018-06-29 | 南京大地建设科技有限责任公司 | Precast prestressed floor production mould, production equipment and production technology |
| CN110216792A (en) * | 2019-06-12 | 2019-09-10 | 孟凡林 | A method of concrete folding plate bottom plate is prepared using long-line pedestal |
| CN114102829A (en) * | 2021-11-26 | 2022-03-01 | 郑州玛纳房屋装备有限公司 | Ecological material injection process for grouped vertical-die multi-pump cluster |
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| CN2189521Y (en) * | 1994-03-31 | 1995-02-15 | 庄村辉雄 | Integrated continuous-production and maintaining-engineering device for prestressed concrete circular aperture structural-member plate |
| CN101780691A (en) * | 2009-01-15 | 2010-07-21 | 郭志杰 | Two-way long-line pedestal method production process of prestressed concrete track slab |
| CN201581646U (en) * | 2009-12-18 | 2010-09-15 | 飞渭 | Door counter-force frame and press-bar pedestal composite fiber reinforcement prestress stretch-draw device |
| CN202517576U (en) * | 2012-03-22 | 2012-11-07 | 高碑店市利通设备租赁有限公司 | Precast prestressed hollow floor slab production line |
| CN203665694U (en) * | 2013-11-20 | 2014-06-25 | 山东乾元泽孚科技有限公司 | Non-autoclaved self-insulation wallboard integrated production line |
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| CN204604575U (en) * | 2015-04-22 | 2015-09-02 | 辽宁易筑建筑材料有限公司 | The automatic production line of the shaping prestressed concrete base plate of mechanical presses |
-
2015
- 2015-04-22 CN CN201510194022.0A patent/CN106142339A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214837A (en) * | 2018-01-11 | 2018-06-29 | 南京大地建设科技有限责任公司 | Precast prestressed floor production mould, production equipment and production technology |
| CN110216792A (en) * | 2019-06-12 | 2019-09-10 | 孟凡林 | A method of concrete folding plate bottom plate is prepared using long-line pedestal |
| CN110216792B (en) * | 2019-06-12 | 2020-07-03 | 孟凡林 | Method for preparing concrete laminated slab bottom plate by adopting long-line pedestal |
| CN114102829A (en) * | 2021-11-26 | 2022-03-01 | 郑州玛纳房屋装备有限公司 | Ecological material injection process for grouped vertical-die multi-pump cluster |
| CN114102829B (en) * | 2021-11-26 | 2023-04-21 | 郑州玛纳房屋装备有限公司 | Group vertical mold multi-pump cluster ecological material injection process |
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Application publication date: 20161123 |