CN109591163A - The mold and production method of prefabricated building unit - Google Patents
The mold and production method of prefabricated building unit Download PDFInfo
- Publication number
- CN109591163A CN109591163A CN201910055707.5A CN201910055707A CN109591163A CN 109591163 A CN109591163 A CN 109591163A CN 201910055707 A CN201910055707 A CN 201910055707A CN 109591163 A CN109591163 A CN 109591163A
- Authority
- CN
- China
- Prior art keywords
- building unit
- internal model
- template
- collapsible form
- prefabricated building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding 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
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of 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
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
- B28B7/0017—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps for attaching mould walls on mould tables
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a kind of prefabricated building unit molds, comprising: external mold (1), internal model and bottom stage (2), the internal model and bottom stage (2) surround the inner space for people's operation；The internal model includes fixed form (3) and collapsible form (5), and the fixed form (3) is fixedly connected on the bottom stage (2), and the collapsible form (5) is at least movably connected in vertical direction in the bottom stage (2).Furthermore the invention also discloses the production methods for the prefabricated building unit for using above-mentioned mold.Binding force when prefabricated building unit mold of the invention can reduce demoulding between internal model and prefabricated building unit is more easier demoulding, and prefabricated building unit is easier to lift by crane.
Description
Technical field
The present invention relates to a kind of process units of pre-cast building unit and production methods more particularly to a kind of production prefabricated to build
The production method for building the mold and pre-cast building unit of unit.
Background technique
Traditional house or office building, especially skyscraper are usually all cast-in-place concrete at the construction field (site) to build
, but not only working procedure is miscellaneous for the building of this traditional cast-in-place structural, long construction period, and labor intensive, quality is difficult to unification,
And more building waste and great noise and dust pollution can be generated, it is caused greatly to the normal life of nearby residents
Interference.
For this purpose, gradually start in construction projects now using the pre-cast building unit made in advance in factory, such as
Prefabricated kitchen, prefabricated toilet, prefabricated bedroom etc., pre-cast building unit and the cast-in-place of building are partially bonded together, can be with
Greatly reduce Contraction in Site amount, shortens the construction time, reduces manually, and can largely reduce and nearby residents are done
It disturbs.
Existing pre-cast building unit installs external mold and internal model in production Shi Yaoxian, then between internal model and external mold
Placing concrete removes external mold after enough intensity to be achieved to form building unit again after assembling reinforcement, then will building list
Member, which is sling, separates pre-cast building unit with internal model.But generally, because the contact surface between internal model and building unit
It is larger, thus binding force between the two is also larger, is not easy demoulding between pre-cast building unit and inner membrance, often results in
Pre-cast building unit is relatively difficult when lifting by crane, problem when this is the production of pre-cast building unit.
Summary of the invention
The present invention is directed to the deficiency of existing flitch, provides mold and the production side of a kind of prefabricated building unit of easy demoulding
Method.
The present invention adopts the following technical scheme: a kind of prefabricated building unit mold, comprising: external mold, internal model and bottom stage, it is described interior
The inner space that mould and bottom stage surround for people's operation；
The internal model includes fixed form and collapsible form, and the fixed form is fixedly connected on the bottom stage, the activity
Template is at least movably connected in vertical direction in the bottom stage.
The collapsible form includes: collapsible form main body, the first linking template and the second linking template；The fixed form
Top surface and collapsible form main body top surface splice, it is described first linking template and second linking template splicing in the movable mold
Between the side of plate main body and the side of fixed form；The bottom part down of the collapsible form is equipped with the space moved down for it.
The width of the first linking template and the second linking template is gradually increased from top to bottom.
The side of the side and the collapsible form main body and fixed form of the first linking template and the second linking template
Portion is connected with, and the bottom of the first linking template and the second linking template connect with the bottom stage by bolt and adjusts height
Degree；The bottom of the collapsible form main body is connect with the bottom stage by bolt and adjusts height.
The fixed form and collapsible form diagonally splice.
Height-adjustable vertical supporting, the side plate of the bottom stage and internal model are equipped between the bottom stage and the top plate of internal model
Between be connected with the skewed horizontal load of adjustable length, be equipped with along internal model width direction and connect the fixed form and collapsible form
The cross-brace of the adjustable length of side plate.
The bottom plate of the bottom stage offers hole at the position of the first linking template and the second linking template.
The production method of prefabricated building unit of the invention, includes the following steps:
A. internal model is mounted on bottom stage, the assembling reinforcement outside internal model；
B., external mold is installed；
C. between internal model and external mold and at the top of internal model placing concrete formed prefabricated building unit wall and top plate；
D. external mold is removed, adjusts the collapsible form of internal model to moving down, then the wall of prefabricated building unit and top plate are lifted by crane；
Both E. the wall of the prefabricated building unit in step D and top plate are lifted to a prefabricated panel, casting concrete makes
It is grouped together into prefabricated building unit.
The collapsible form of the internal model includes: the collapsible form main body at top and fixed form splicing, two sides respectively and consolidates
The the first linking template and the second linking template that solid plate is connected with collapsible form body side；Adjusting activity in the step D
When template, first adjusts the first linking template and the second linking template moves down, then adjust collapsible form main body to moving down
It is dynamic.
When adjusting the first linking template and the second linking template, the first linking template and the second linking mould are first removed
The connection bolt of plate side and fixed form and collapsible form body side, then adjust the first linking template and the second linking mould
Connection bolt between board bottom portion and bottom stage and the adjustable vertical supporting between bottom stage and internal mold top plate make the first linking mould
Plate and the second linking template are to moving down；
When adjusting collapsible form main body, first loosen the connection bolt between the collapsible form bottom part body and bottom stage, then adjust bottom
Adjustable cross-brace and internal model and bottom stage between adjustable vertical supporting, internal model both side plate between platform and internal mold top plate
Between adjustable skewed horizontal load make the collapsible form main body to moving down and to inside contracting.
Compared with prior art, the internal model of prefabricated building unit mold of the invention is by independent fixed form and movable mold
Plate is spliced, and collapsible form can be first moved downwardly towards by when demoulding to be inside contracted, thus can greatly reduce internal model and prefabricated building unit it
Between contact area and binding force, thus be easier demould and lifting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prefabricated building unit mold of the present invention；
Fig. 2 is the schematic diagram of the internal model；
Fig. 3 is the schematic diagram that the fixed form is fixedly connected with bottom stage；
Structural schematic diagram when the first linking template and the second linking template that Fig. 4 is the internal model move down；
Fig. 5 is the structural schematic diagram when collapsible form main body of the internal model moves down；
Fig. 6 is the vertical structure schematic diagram of the first linking template and the second linking template；
Fig. 7 is the transverse cross-sectional view of the first linking template and the second linking template；
Fig. 8 is the vertical profile figure of prefabricated building unit mold of the present invention along its length；
Fig. 9 is the vertical profile figure of prefabricated building unit mold of the present invention in the width direction；
Figure 10 is the enlarged drawing of the collapsible form main body and bottom stage junction；
Figure 11 is the schematic diagram of the prefabricated panel of the prefabricated building unit；
Figure 12 is the wall and top plate of the prefabricated building unit and schematic diagram when floor combination；
Figure 13 is the schematic diagram of the prefabricated building unit to complete.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, prefabricated building unit mold of the invention is mainly made of external mold 1, internal model and bottom stage 2,
Wherein, internal model has the top plate at the top of the wall for surrounding periphery and closing wall, and bottom stage 2 is welded into a frame structure by fashioned iron
And it is fixedly installed bottom plate 22 on the frame structure, the internal model and bottom stage 2 surround for worker in the space of inside operation.This hair
Bright is particular in that: the internal model includes fixed form 3 and collapsible form 5, fixed form 3 therein by welding or its
Its common mode is fixed on the top of bottom stage 2, and collapsible form 5 at least in vertical direction by modes such as bolts movably
It is connected to the bottom stage 2, correspondingly, the bottom part down of the collapsible form 5 is equipped with the activity space moved down for it.Exist in this way
When demoulding, it is convenient to separate it with prefabricated building unit by moving down collapsible form 5, to greatly reduce the difficulty of demoulding
Degree.
The shape of prefabricated building unit is usually substantially square, in the present embodiment, 5 edge of the fixed form 3 and collapsible form
Rectangular diagonal splicing is conducive to the design of mold and reduces splice required component.The collapsible form 5 includes following three
Individual components: collapsible form main body 51, first is connected template 52 and the second linking template 53.
Wherein, the modes such as the top surface of the collapsible form main body 51 and the top surface bolt of fixed form 3 are stitched together,
As shown in Figure 10, the bottom of the collapsible form main body 51 connect with the bottom stage 2 by adjustable bolt 92 and adjusts height,
Under the assembled state of internal model, 2 junction of distance from bottom bottom stage of the collapsible form main body 51 can reserve 150 millimeters or more
Space.
The first linking template 52 and the second linking template 53 are located at two end sides of collapsible form main body 51, are used for
Splicing between 3 side of 51 side of collapsible form main body and fixed form.
As shown in Figure 6 and Figure 7, the first linking template 52 and the second linking template 53 can use identical structure,
It is substantially trapezoidal that its width is gradually increased thus its facade from top to bottom, the first linking template 52 and the second 53 liang of template of linking
Side is equipped with side plate 55, and the floor 54 that can increase intensity is from top to bottom installed at interval of certain distance between both side plate 55.Two sides
Screw hole 56, correspondingly, the end sides pair of collapsible form main body 51 and fixed form 3 are equipped at interval of certain distance on side plate 55
It answers and also is provided with screw hole at position, passing through screw hole using bolt can be by the first linking template 52 and the second linking template 53 and movable mold
The side of plate main body 51 and fixed form 3 is stitched together.The bottom of the first linking template 52 and the second linking template 53
It is connect by adjustable bolt 91 with the bottom stage 2 to adjust height.Under the assembled state of internal model, first linking
2 junction of distance from bottom bottom stage of template 52 and the second linking template 53 can reserve 300 millimeters or more of space.In order to facilitate tune
Bolt 91 is saved, as shown in figure 3, the bottom plate 22 of the bottom stage 2 is in the position of the first linking template 52 and the second linking template 53
The place of setting offers hole 21.
As shown in Figure 8 and Figure 9, height-adjustable vertical supporting 6, institute are equipped between the bottom stage 2 and the top plate of internal model
The skewed horizontal load 7 for being connected with adjustable length between bottom stage 2 and the side plate of internal model is stated, is equipped with described in connection along internal model width direction
The cross-brace 8 of the adjustable length of the side plate of fixed form 3 and collapsible form 5.These supports are in addition to supporting and consolidating internal model
Outside, it is also used to cooperate the movement for adjusting collapsible form 5.
The production method of prefabricated building unit using above-mentioned mold of the invention, includes the following steps:
1. plate by surrounding is mounted in a plane such as Figure 11, casting concrete forms prefabricated building list in other plate after wire-tiing
The bottom plate 101 of member；
2. as shown in Figure 1, internal model is mounted on bottom stage 2, the assembling reinforcement outside internal model；
3. installing external mold；
4. placing concrete forms the prefabricated component 102 including wall and top plate between internal model and external mold 1 and at the top of internal model；
5. removing external mold；
6. adjusting the first linking template 52 and the second linking template 53 moving down (such as Fig. 4), then adjust collapsible form master
Body 51 moves down and separates prefabricated component 102 with collapsible form 5 to (such as Fig. 5) is inside contracted；
7. as shown in figure 12, prefabricated component 102 is demoulded and is lifted to the top of above-mentioned prefabricated panel 101, after-pouring coagulation is positioned
Soil makes the two be grouped together into prefabricated building unit 10 as shown in fig. 13 that.
When adjusting the first linking template 52 and the second linking template 53 in above-mentioned steps 6, first linking is first removed
The connection bolt of template 52 and the second linking 53 side of template and 51 side of fixed form 3 and collapsible form main body, then adjust this
Connection bolt 91 and vertical supporting 6 between first linking template 52 and the second linking 53 bottom of template and bottom stage 2, make this
One linking template 52 and the second linking template 53 are to moving down about 300 millimeters.
When adjusting collapsible form main body 51, first loosen the connection bolt between 51 bottom of collapsible form main body and bottom stage 2
92, then adjusting vertical supporting 6, cross-brace 8 and skewed horizontal load 7 makes the collapsible form main body 51 to moving down about 150 millimeters
And to inside contracting, so that prefabricated component 102 is separated with collapsible form 5, facilitate the demoulding between internal model and prefabricated component 102.
The above is presently preferred embodiments of the present invention, is not intended to restrict the invention, all in spirit of that invention and original
Modification, equivalent replacement or improvement etc., should be included within the scope of the present invention made by then.
Claims (10)
1. a kind of prefabricated building unit mold, comprising: external mold (1), internal model and bottom stage (2), the internal model and bottom stage (2) surround for
The inner space of people's operation；It is characterized by:
The internal model includes fixed form (3) and collapsible form (5), and the fixed form (3) is fixedly connected on the bottom stage (2)
On, the collapsible form (5) is at least movably connected in vertical direction in the bottom stage (2).
2. prefabricated building unit mold according to claim 1, which is characterized in that the collapsible form (5) includes: movable mold
Plate main body (51), the first linking template (52) and the second linking template (53)；The top surface of the fixed form (3) and collapsible form
The top surface of main body (51) is spliced, and first linking template (52) and the second linking template (53) splicing are in the collapsible form master
Between the side of body (51) and the side of fixed form (3)；The bottom part down of the collapsible form (5) is equipped with the sky moved down for it
Between.
3. prefabricated building unit mold according to claim 2, it is characterised in that: first linking template (52) and second
The width of linking template (53) is gradually increased from top to bottom.
4. prefabricated building unit mold according to claim 2, it is characterised in that: first linking template (52) and second
The side of the side and the collapsible form main body (51) and fixed form (3) that are connected template (53) is connected with, this first
The bottom of linking template (52) and the second linking template (53) is connect with the bottom stage (2) by bolt and adjusts height；It is described
The bottom of collapsible form main body (51) is connect with the bottom stage (2) by bolt and adjusts height.
5. prefabricated building unit mold according to any one of claims 1 to 4, it is characterised in that: the fixed form (3) and
Collapsible form (5) diagonally splices.
6. prefabricated building unit mold according to any one of claims 1 to 4, it is characterised in that: the bottom stage (2) and internal model
Top plate between be equipped with height-adjustable vertical supporting (6), be connected between the bottom stage (2) and the side plate of internal model adjustable
The skewed horizontal load (7) of length is equipped with the side plate for connecting the fixed form (3) and collapsible form (5) along internal model width direction
The cross-brace (8) of adjustable length.
7. prefabricated building unit mold according to claim 6, it is characterised in that: the bottom plate of the bottom stage (2) is described
Hole (21) are offered at the position of one linking template (52) and the second linking template (53).
8. a kind of production method of the prefabricated building unit using mold as described in claim 1, which is characterized in that this method includes
Following steps:
A. internal model is mounted on bottom stage (2), the assembling reinforcement outside internal model；
B., external mold is installed；
C. the wall of placing concrete formation prefabricated building unit (10) and top between internal model and external mold (1) and at the top of internal model
Plate；
D. external mold is removed, adjusts the collapsible form (5) of internal model to moving down, then the wall of prefabricated building unit (10) and top plate are risen
It hangs；
E. the wall of the prefabricated building unit (10) in step D and top plate are lifted to a prefabricated panel (101), pours coagulation
Soil makes the two be grouped together into prefabricated building unit (10).
9. the production method of prefabricated building unit according to claim 8, it is characterised in that: the collapsible form packet of the internal model
Include: top and fixed form (3) splicing collapsible form main body (51), two sides respectively with fixed form (3) and collapsible form master
The first linking template (52) and the second linking template (53) of body (51) side connection；Collapsible form (5) are adjusted in the step D
When, it first adjusts first linking template (52) and the second linking template (53) moves down, then adjust collapsible form main body
(51) it moves down.
10. the production method of prefabricated building unit according to claim 9, it is characterised in that:
When adjusting first linking template (52) and the second linking template (53), first removes this and first be connected template (52) and the
Two linking template (53) sides and fixed form (3) and collapsible form main body (51) side connection bolt, then adjust this first
Connection bolt and bottom stage (2) and internal mold top plate between linking template (52) and the second linking template (53) bottom and bottom stage (2)
Between adjustable vertical supporting (6), so that first linking template (52) and second is connected template (53) to moving down；
When adjusting collapsible form main body (51), first loosen the connection spiral shell between collapsible form main body (51) bottom and bottom stage (2)
Bolt, then adjust adjustable vertical supporting (6) between bottom stage (2) and internal mold top plate, adjustable transverse direction between internal model both side plate
Adjustable skewed horizontal load (7) between support (8) and internal model and bottom stage (2) makes the collapsible form main body (51) to moving down simultaneously
To inside contracting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055707.5A CN109591163B (en) | 2019-01-22 | 2019-01-22 | Prefabricated house unit mould and manufacturing method |
| SG10201902316QA SG10201902316QA (en) | 2019-01-22 | 2019-03-15 | Mold apparatus for prefabricated room unit and method for constructing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055707.5A CN109591163B (en) | 2019-01-22 | 2019-01-22 | Prefabricated house unit mould and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109591163A true CN109591163A (en) | 2019-04-09 |
| CN109591163B CN109591163B (en) | 2024-08-27 |
Family
ID=65966445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055707.5A Active CN109591163B (en) | 2019-01-22 | 2019-01-22 | Prefabricated house unit mould and manufacturing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109591163B (en) |
| SG (1) | SG10201902316QA (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10138294A (en) * | 1996-11-15 | 1998-05-26 | Sony Corp | Method and mold of resin sealing |
| JP2003039419A (en) * | 2001-08-02 | 2003-02-13 | Hiroyoshi Iwamoto | Form for cylindrical concrete product and method for manufacturing cylindrical concrete product |
| CN103847001A (en) * | 2012-12-01 | 2014-06-11 | 湖南邱则有专利战略策划有限公司 | Method for manufacturing hollow formwork component |
| CN205185013U (en) * | 2015-07-07 | 2016-04-27 | 北京联东投资(集团)有限公司 | Prefabricated U type beam mold board of hydraulic pressure |
| CN108638302A (en) * | 2018-08-21 | 2018-10-12 | 杜威 | A kind of scalable inner template of square chest type concrete component |
| CN109057039A (en) * | 2018-09-25 | 2018-12-21 | 有利华建材(惠州)有限公司 | A kind of assembling synthesis building and its construction method |
| CN209755588U (en) * | 2019-01-22 | 2019-12-10 | 有利华建筑预制件（深圳）有限公司 | Prefabricated house unit mould |
-
2019
- 2019-01-22 CN CN201910055707.5A patent/CN109591163B/en active Active
- 2019-03-15 SG SG10201902316QA patent/SG10201902316QA/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10138294A (en) * | 1996-11-15 | 1998-05-26 | Sony Corp | Method and mold of resin sealing |
| JP2003039419A (en) * | 2001-08-02 | 2003-02-13 | Hiroyoshi Iwamoto | Form for cylindrical concrete product and method for manufacturing cylindrical concrete product |
| CN103847001A (en) * | 2012-12-01 | 2014-06-11 | 湖南邱则有专利战略策划有限公司 | Method for manufacturing hollow formwork component |
| CN205185013U (en) * | 2015-07-07 | 2016-04-27 | 北京联东投资(集团)有限公司 | Prefabricated U type beam mold board of hydraulic pressure |
| CN108638302A (en) * | 2018-08-21 | 2018-10-12 | 杜威 | A kind of scalable inner template of square chest type concrete component |
| CN109057039A (en) * | 2018-09-25 | 2018-12-21 | 有利华建材(惠州)有限公司 | A kind of assembling synthesis building and its construction method |
| CN209755588U (en) * | 2019-01-22 | 2019-12-10 | 有利华建筑预制件（深圳）有限公司 | Prefabricated house unit mould |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10201902316QA (en) | 2020-08-28 |
| CN109591163B (en) | 2024-08-27 |
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