CN107599137B - Detachable mold assembly and construction method thereof - Google Patents
Detachable mold assembly and construction method thereof Download PDFInfo
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- CN107599137B CN107599137B CN201710968637.3A CN201710968637A CN107599137B CN 107599137 B CN107599137 B CN 107599137B CN 201710968637 A CN201710968637 A CN 201710968637A CN 107599137 B CN107599137 B CN 107599137B
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Abstract
The invention relates to a detachable mould assembly and a construction method thereof, which are used for forming a reserved hole in a prefabricated part poured in a mould, and the mould assembly comprises: a pair of beams which are supported above the bottom die of the die and are arranged in parallel; a fixing plate detachably connected between the cross beams; and the bottom of the sleeve is abutted to the upper surface of a bottom die of the die, so that when concrete is poured on the bottom die, the concrete cannot flow into the sleeve to form a reserved hole. The reserved holes are positioned by the arrangement position of the cross beam and the position of the fixing plate connected with the cross beam. Furtherly, through passing through detachable connected mode with the fixed plate and connecting in the crossbeam, thereby be convenient for change the size of fixed plate and telescopic size change preformed hole, saved construction cost than using traditional mould by a wide margin.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a detachable die assembly and a construction method thereof.
Background
In the splitting design of the precast concrete members, plates are often renumbered due to different sizes and positions of reserved holes in the professional equipment. The plates and the reserved holes are usually manufactured by a method of erecting a mold and casting in place, the structure of the conventional reserved hole mold is shown in fig. 1 and fig. 2, a sleeve 41' is fixed on a bottom mold 11' by welding, the sleeve 41' protrudes into a pouring space above the bottom mold 11', and therefore when concrete is poured on the bottom mold 11' and in the side molds 12', the concrete cannot flow into the sleeve 41', and the reserved holes are formed.
However, in this fixing method, because the sleeve 41 'and the bottom die 11' are welded and fixed, multiple sets of molds are required to be made for the prefabricated panels with the same appearance size but different reserved hole sizes and positions. The turnover utilization rate of the die is reduced, and the cost is greatly improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a detachable die assembly and a construction method thereof, which can solve the problem of high construction cost caused by low turnover rate of a traditional reserved hole die.
The technical scheme for realizing the purpose is as follows:
the invention provides a detachable mould assembly for forming a reserved hole in a prefabricated part poured in a mould, which is characterized by comprising the following components in parts by weight:
the pair of cross beams are erected above a bottom die of the die and are arranged in parallel, the length of each cross beam is larger than or equal to the width of the die, a gap is reserved between the cross beams, and the position of each cross beam in the first direction of the die is adjusted by adjusting the erected position of each cross beam;
the fixing plates are detachably connected between the cross beams, two ends of each fixing plate are detachably connected to the corresponding cross beam, and the position of each fixing plate in a second direction perpendicular to the first direction on the mold is adjusted by adjusting the position of the fixing plate connected to the cross beams; and
connect in the sleeve of fixed plate lower surface, telescopic bottom supports in the upper surface of the die block of mould, through the position control of crossbeam with the position control of fixed plate has realized the sleeve in position control in the mould, thereby when pouring concrete on the die block, the unable inflow sleeve of concrete forms and reserves the hole.
The invention has the beneficial effect that the reserved holes are positioned by the arrangement position of the cross beam and the position of the fixing plate connected with the cross beam. Furthermore, the fixed plate is connected to the cross beam in a detachable connection mode, so that the size of the reserved hole can be changed conveniently by changing the size of the fixed plate and the size of the sleeve.
The detachable die assembly is further improved in that the cross beam is a C-shaped part, the openings of the cross beam are opposite, the C-shaped part comprises a web plate which is vertically arranged, an upper flange plate which is arranged on the upper side of the web plate and a lower flange plate which is arranged on the lower side of the web plate, a plurality of bolt holes are formed in the upper flange plate at intervals, a slideway is formed in the lower flange plate, the end part of the fixing plate slides in the corresponding slideway to realize the position adjustment of the fixing plate, the fixing plate is arranged on the corresponding lower flange plate, and a bolt penetrates through the corresponding bolt hole and abuts against the upper surface of the end part of the fixing plate, so that the end part of the fixing plate tightly abuts against the lower flange plate.
The detachable die assembly is further improved in that a protrusion is formed on one side, away from the web plate, of the lower flange plate, side plates are fixedly arranged at two ends of the fixing plate, the side plates are arranged on the corresponding lower flange plate, and the corresponding side plates are limited in the corresponding C-shaped pieces through the protrusions.
The detachable die assembly of the invention is further improved in that the fixed plate is detachably connected with a screw thread, and the bottom of the screw thread is connected with the sleeve, so that the sleeve is detachably connected with the bottom of the fixed plate.
The detachable die assembly is further improved in that the cross beam is provided with a through hole, and a bolt penetrates through the through hole and is screwed in a threaded hole formed in the side die of the die or a bearing platform below the die, so that the die assembly is arranged on the side die of the die or the bearing platform below the die.
The invention also provides a construction method of the detachable die assembly, which comprises the following steps:
erecting a cross beam according to the design position of the reserved hole;
adjusting the position of the fixing plate according to the design position of the reserved hole in a moving mode, so that a sleeve connected to the fixing plate is located at the design position of the reserved hole; and
and pouring concrete into the mould to form a prefabricated part, so that the sleeve forms a corresponding reserved hole in the prefabricated part.
The construction method of the detachable die assembly of the present invention is further improved in that the cross beam is a C-shaped member with opposite openings, the C-shaped member includes a web plate vertically disposed, an upper flange plate disposed on an upper side of the web plate, and a lower flange plate disposed on a lower side of the web plate, and detachably connecting both ends of the fixing plate to the corresponding cross beam further includes:
a plurality of bolt holes are formed in the upper flange plate at intervals;
and placing two ends of the fixing plate on the corresponding lower flange plates, and using bolts to penetrate through the corresponding bolt holes and abut against the upper surfaces of the ends of the fixing plates, so that the ends of the fixing plates tightly abut against the lower flange plates.
The construction method of the detachable mould assembly is further improved in that a bulge is formed on one side of the lower flange plate far away from the web plate, side plates are fixedly arranged at two ends of the fixed plate, and the two ends of the fixed plate are detachably connected to corresponding cross beams, and the method further comprises the following steps:
and arranging the side plates on the corresponding lower flange plates, and limiting the corresponding side plates in the corresponding C-shaped parts through the protrusions.
The construction method of the detachable mould assembly is further improved in that the construction method further comprises the following steps:
providing a screw thread, detachably connecting the screw thread on the fixing plate, and connecting the bottom of the screw thread with the sleeve, so that the sleeve is detachably connected with the bottom of the fixing plate.
The construction method of the detachable mould assembly is further improved in that the construction method further comprises the following steps:
and a through hole is formed in the cross beam, and a bolt penetrates through the through hole and is screwed in a threaded hole formed in a side die of the die or a bearing platform below the die.
Drawings
Fig. 1 is a schematic structural view of a conventional hole reserving mold.
Fig. 2 is a sectional view of a conventional pre-cavity mold.
FIG. 3 is a schematic view of the removable mold assembly of the present invention mounted to a support platform.
Fig. 4 isbase:Sub>A cross-sectional view taken along the planebase:Sub>A-base:Sub>A in fig. 3.
Fig. 5 is a sectional view taken along the plane B-B in fig. 3 in the first embodiment.
Fig. 6 is a sectional view taken along the plane B-B in fig. 3 in the second embodiment.
Description of reference numerals:
11' bottom die; 12' side forms; 41' a sleeve;
10, a bearing platform; 11, bottom die; 12, side die; 21 a cross beam; 211 a bulge; 22 a connecting plate; 31 fixing the plate; 311 side plates; 32 screw threads; 41 a sleeve; 51 bolts.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 3, the invention provides a detachable mold assembly for forming a reserved hole in a prefabricated part poured in a mold, the position and size of a sleeve in the mold can be changed by installing and detaching components in the assembly, and the position and size of the reserved hole in the poured prefabricated part can be adjusted. The removable mold assembly of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 3 to 6, the mold is composed of a bottom mold 11 and a side mold 12, the bottom mold 11 and the side mold 12 enclose a space for casting concrete, and when a reserved hole needs to be reserved on a concrete member, the mold assembly is installed on the side mold 12 of the mold or a bearing platform 10 below the mold, so that the concrete member with the reserved hole can be cast. The mold assembly includes: a pair of cross beams 21 arranged in parallel, wherein a gap is reserved between the cross beams 21; a fixing plate 31 detachably connected between the cross beams 21; and a sleeve 41 connected to the lower surface of the fixing plate 31, wherein the bottom of the sleeve 41 is abutted against the upper surface of the bottom mold 11 of the mold, so that when concrete is poured on the bottom mold 11, the concrete cannot flow into the sleeve 41 to form a reserved hole.
As shown in fig. 3, the length of the beam 21 is greater than or equal to the width of the mold, the beam 21 is supported above the bottom mold 11 of the mold, and the position of the beam 21 in the first direction of the mold is adjusted by adjusting the supported position of the beam 21.
In a preferred embodiment, as shown in fig. 3 and 4, the mold assembly is installed on a bearing platform under the mold, the cross beam 21 is fixed on the bearing platform 10, through holes are opened at both ends of the cross beam 21, two rows of threaded holes are opened on the bearing platform 10 at intervals corresponding to the length of the cross beam 21, and bolts 51 are passed through the through holes on the cross beam 21 and screwed into the threaded holes on the bearing platform, so that both ends of the cross beam 21 are fixed on the top surface of the bearing platform 10 under the mold. The elevation of the cross beam 21 is lowered, and the sleeve is tightly adhered to the bottom mold 11. Furthermore, both ends of the cross beam 21 are provided with a connecting plate 22, the connecting plate 22 is connected between the two cross beams 21, both ends of the connecting plate 22 are provided with threaded holes, and the bolt 51 passes through the threaded hole on the connecting plate 22 before passing through the through hole on the cross beam 21, so that the connecting plate 22 is also fixed on the bearing platform 10. The connecting plate 22 is used for keeping the distance between the cross beams 21, and the heads of the bolts 51 directly abut against the connecting plate 22, so that the cross beams 21 are protected, and the cross beams 21 are prevented from being deformed under stress.
In another preferred embodiment, the mold assembly is mounted to a side form (not shown) of the mold, the cross beam is fixed to the top of the side form, the cross beam has through holes spaced apart, the side form has two rows of threaded holes spaced apart, and the cross beam is fixed to the top of the side form of the form by bolts passing through the through holes in the cross beam and being screwed into the threaded holes in the side form. Thereby reducing the elevation of the beam and enabling the sleeve to be tightly attached to the bottom die.
Preferably, as shown in fig. 5 or 6, the cross beam 21 is a C-shaped member with opposite openings, the C-shaped member includes a vertically disposed web, an upper flange plate disposed on the upper side of the web, and a lower flange plate disposed on the lower side of the web, a plurality of bolt 51 holes are disposed on the upper flange plate at intervals, a slideway is formed on the lower flange plate, the end of the fixing plate slides in the corresponding slideway and is placed on the corresponding lower flange plate, and the bolt 51 passes through the corresponding bolt 51 hole and abuts against the upper surface of the end of the fixing plate 31, so that the end of the fixing plate 31 tightly abuts against the lower flange plate, and the position of the fixing plate 31 in the second direction perpendicular to the first direction on the mold is adjusted by adjusting the position of the fixing plate 31 connected to the cross beam 21. In this connection mode, the fixing plate 31 can be fixed only by tightening the bolts 51 without forming holes in the fixing plate 31, and the fixing plate 31 can be taken out by loosening the bolts 51, which is easy and convenient to operate.
Further, a protrusion 211 is formed on one side, away from the web, of the lower flange plate, the two ends of the fixing plate 31 are fixedly provided with the side plates 311, the bottom of each side plate 311 is arranged on the corresponding lower flange plate, the bolts 51 abut against the tops of the side plates 311, the corresponding side plates 311 are limited in the corresponding C-shaped members through the protrusions 211, and the end portions of the fixing plate 31 are prevented from sliding out of the C-shaped members. The height of the side plates 311 is smaller than the height of the openings so that the ends of the fixing plates 31 can be taken out of the C-shaped members after the bolts 51 are loosened.
The sleeve 41 is attached to the center of the lower surface of the fixing plate 31, and the positional adjustment of the sleeve 41 in the mold is achieved by the positional adjustment of the cross member 21 and the positional adjustment of the fixing plate 31. The height of the sleeve 41 is larger than or equal to that of the side forms 12, so that the elevation of the bottom of the cross beam 21 is not lower than that of the tops of the side forms 12, and the diameter of the poured reserved hole is changed by changing the size of the sleeve 41. Preferably, the bottom of the sleeve 41 is padded with a caulking strip to prevent slurry leakage during concrete pouring, which results in poor quality of the poured reserved hole.
In the first embodiment, as shown in fig. 5, the sleeve 41 is fixed to the center of the lower surface of the fixing plate 31 by welding, and when the size of the sleeve 41 needs to be changed, the bolt 51 is loosened and the fixing plate 31 is taken out from the cross beam 21, and the fixing plate 31 welded with the sleeve 41 with a proper size is remounted into the cross beam 21.
In the second embodiment, as shown in fig. 6, a screw 32 is connected to the center of the fixing plate 31, the top of the screw 32 has a first connecting end, the first connecting end is provided with an external thread, and the center of the fixing plate 31 is provided with an internal thread hole adapted to the first connecting end; the bottom of the screw thread 32 is provided with a second connecting end, an external thread is arranged on the second connecting end, the diameter of the sleeve is matched with that of the second connecting end, an internal thread is arranged on the thread of the sleeve with one end corresponding to the second connecting end, and the sleeve is connected with the bottom of the screw thread 32 in a threaded manner, so that the screw thread 32 is detachably connected with the fixing plate 31 and the sleeve is detachably connected with the screw thread 32. Furthermore, when the size of the sleeve 41 needs to be changed, the fixing plate 31 does not need to be changed, only the screw thread 32 needs to be detached from the fixing plate 31, and the required sleeve 41 and the screw thread 32 of the corresponding type need to be changed and installed, so that the construction cost is further saved compared with the first embodiment.
The following describes the use of the removable mold assembly of the present invention.
The fixed cross beam is installed according to the longitudinal position of the reserved hole, the appropriate sleeve and the appropriate fixing plate (or the sleeve, the screw thread and the fixing plate) are selected according to the size of the reserved hole, the fixing plate provided with the sleeve is installed on the cross beam at the appropriate position and fixed according to the transverse position of the reserved hole, and fine adjustment is conducted on all the parts to enable the sleeve to be tightly attached to the bottom die. And then pouring concrete, vibrating, compacting and maintaining to form the concrete plate with the reserved hole.
The construction method of the detachable mold assembly according to the present invention will be described with reference to the accompanying drawings.
Referring to fig. 3 to 6, the mold assembly is installed on the side forms 12 of the mold or a bearing platform under the mold for casting a concrete member with a reserved hole. The mould comprises die block 1111 and side forms 1212, and die block 1111 and side forms 1212 enclose to close the space that forms the concreting, when needs remain on the concrete member and establish the reservation entrance to a cave, installs this mould subassembly in the side forms 1212 of mould or cushion cap 10 of mould below, can pour the concrete member that has the reservation hole.
As shown in fig. 3 to 6, the construction method of the detachable mold assembly of the present invention includes:
as shown in fig. 3, a pair of beams 21 are provided, the beams 21 are placed in parallel above the mold with a gap left between the beams 21;
selecting a proper fixing plate 31 according to the size of the reserved hole, and detachably connecting two ends of the fixing plate 31 to the corresponding cross beams 21, so that the fixing plate 31 is detachably connected between the cross beams 21; and
select a suitable sleeve according to the size of reserving the hole, with bushing connection in fixed plate 31's lower surface, adjustment fixed plate 31 and crossbeam 21 height for telescopic bottom supports in the upper surface of the die block 11 of mould, and thereby concreting and vibrating closely knit, maintenance on die block 11, thereby because the hole is reserved in the unable inflow sleeve of concrete. Preferably, the caulking strip is arranged at the bottom of the sleeve 41 in a padding mode, so that slurry leakage caused by concrete pouring is prevented, and the quality of a poured reserved hole is poor.
As shown in fig. 5 and 6, the cross beam 21 is a C-shaped member with opposite openings, the C-shaped member includes a vertically disposed web, an upper flange plate disposed on the upper side of the web, and a lower flange plate disposed on the lower side of the web, and the detachably connecting the two ends of the fixing plate 31 to the corresponding cross beam 21 further includes:
a plurality of bolt 51 holes are arranged on the upper flange plate at intervals;
the ends of the fixing plate 31 are placed on the corresponding lower flange plates, and the bolts 51 are inserted through the corresponding bolt 51 holes and abut against the upper surfaces of the ends of the fixing plate 31, so that the ends of the fixing plate 31 tightly abut against the lower flange plates.
Further, one side that the web was kept away from to the lower flange board is formed with a arch 211, and the both ends of fixed plate 31 have set firmly curb plate 311, and the both ends detachably of connecting fixed plate 31 in the crossbeam 21 that corresponds further includes:
the side plates 311 are placed on the corresponding lower flange plates, and the corresponding side plates 311 are limited in the corresponding C-shaped members through the protrusions 211.
In the first embodiment, as shown in fig. 5, the sleeve 41 is fixed to the center of the lower surface of the fixing plate 31 by welding, when the size of the sleeve 41 needs to be changed, the bolt 51 is loosened and the fixing plate 31 is taken out from the cross beam 21, and the fixing plate 31 welded with the sleeve 41 with a proper size is reinstalled into the cross beam 21.
In the second embodiment, a screw 32 is provided, the screw 32 has a first connecting end at the top and a second connecting end at the bottom, the first connecting end is provided with an external thread, the fixing plate 31 is provided with an internal thread hole corresponding to the first connecting end, the second connecting end is provided with an external thread, and the second connecting end corresponding to one end of the sleeve is provided with an internal thread. The first coupling end is threadedly coupled to the fixing plate 31 and the sleeve is threadedly coupled to the second coupling end, so that the sleeve is detachably coupled to the bottom of the fixing plate 31. Furthermore, when the size of the sleeve 41 needs to be changed, the fixing plate 31 does not need to be changed, only the screw thread 32 needs to be detached from the fixing plate 31, and the required sleeve 41 and the screw thread 32 of the corresponding type need to be changed and installed, so that the construction cost is further saved compared with the first embodiment.
In a preferred embodiment, as shown in fig. 3 and 4, the step of installing the mold assembly on the bearing platform below the mold specifically comprises: through holes are formed in two ends of the cross beam 21, two rows of threaded holes are formed in the bearing platform 10 at intervals corresponding to the length of the cross beam 21, and bolts 51 penetrate through the through holes and are screwed in the threaded holes formed in the bearing platform 10. Further, the connecting plate 22 is connected between the two beams 21 and located at the end of the beam 21, threaded holes are opened at both ends of the connecting plate 22, and the bolt 51 is inserted through the threaded hole of the connecting plate 22 before being inserted through the through hole of the beam 21, so that the connecting plate 22 is also fixed to the platform 10.
In a preferred embodiment, the mounting of the mold assembly to the side mold (not shown) of the mold specifically includes: through holes are formed in the cross beam at intervals, threaded holes are formed in the side forms at intervals, and bolts penetrate through the through holes and are screwed in the threaded holes formed in the side forms, so that the cross beam is fixed to the top of the side forms of the formwork.
The detachable mould component and the construction method thereof have the advantages that:
the reserved hole is positioned by the supporting position of the cross beam and the position of the fixing plate connected to the cross beam. Furtherly, through passing through detachable connected mode with the fixed plate and connecting in the crossbeam, thereby be convenient for change the size of fixed plate and telescopic size change preformed hole, saved construction cost than using traditional mould by a wide margin.
While the present invention has been described in detail and with reference to the embodiments thereof as shown in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments should not be construed as limitations of the invention, except insofar as the following claims are interpreted to cover the invention.
Claims (9)
1. A knock down mould assembly for forming a preformed hole in a prefabricated component cast in a mould, the mould assembly comprising:
the pair of cross beams are erected above a bottom die of the die and are arranged in parallel, the length of each cross beam is larger than or equal to the width of the die, a gap is reserved between the cross beams, and the position of each cross beam in the first direction of the die is adjusted by adjusting the erected position of each cross beam;
the fixing plates are detachably connected between the cross beams, two ends of each fixing plate are detachably connected to the corresponding cross beam, and the positions of the fixing plates in a second direction perpendicular to the first direction on the die are adjusted by adjusting the positions of the fixing plates connected to the cross beams; and
connect in the sleeve of fixed plate lower surface, telescopic bottom supports in the upper surface of the die block of mould, through the position control of crossbeam with the position control of fixed plate has realized the sleeve in position control in the mould, thereby when pouring concrete on the die block, the concrete can't flow in the sleeve and form and reserve the hole the crossbeam is relative for C type spare and opening, C type spare includes the web of vertical setting, locates the upper flange board of web upside with locate the lower flange board of web downside, a plurality of bolt holes have been seted up on the upper flange board at interval, be formed with the slide on the lower flange board, the tip of fixed plate slides in the slide that corresponds and has realized the position control of fixed plate, just the fixed plate is arranged in on the lower flange board that corresponds to pass corresponding bolt hole through the bolt and support by in the upper surface of fixed plate tip makes the tip of fixed plate tightly support by in the lower flange board.
2. The removable mold assembly of claim 1, wherein a protrusion is formed on a side of the lower flange plate away from the web, side plates are fixedly disposed at two ends of the fixing plate, the side plates are disposed on the corresponding lower flange plate, and the protrusion is used to limit the corresponding side plates in the corresponding C-shaped member.
3. The removable die assembly of claim 1 wherein a threaded fastener is removably attached to the stationary plate, a bottom portion of the threaded fastener being coupled to the sleeve, such that the sleeve is removably attached to the bottom portion of the stationary plate.
4. The removable mold assembly of claim 1 wherein the beam defines a through hole and the mold assembly is mounted to the sideform of the mold or to a platform below the mold by a bolt passing through the through hole and threaded into a threaded hole defined in the sideform of the mold or the platform below the mold.
5. A method of constructing a knock down die assembly as claimed in claim 1, including:
erecting a cross beam according to the design position of the reserved hole;
adjusting the position of the fixing plate according to the design position of the reserved hole in a moving mode, so that a sleeve connected to the fixing plate is located at the design position of the reserved hole; and
and pouring concrete into the mold to form a prefabricated part, so that the sleeve forms a corresponding reserved hole in the prefabricated part.
6. The method of constructing a removable mold assembly as recited in claim 5, wherein the cross-beams are C-shaped members with opposite openings, the C-shaped members include vertically disposed webs, upper flange plates disposed on upper sides of the webs, and lower flange plates disposed on lower sides of the webs, and the removably attaching both ends of the fixing plates to the corresponding cross-beams further comprises:
a plurality of bolt holes are formed in the upper flange plate at intervals; and placing two ends of the fixing plate on the corresponding lower flange plates, and using bolts to penetrate through the corresponding bolt holes and abut against the upper surfaces of the ends of the fixing plates, so that the ends of the fixing plates tightly abut against the lower flange plates.
7. The method of constructing a removable mold assembly as recited in claim 6, wherein the lower flange plate has a protrusion formed on a side thereof away from the web plate, and side plates are fixedly attached to both ends of the fixing plate, and the step of removably attaching both ends of the fixing plate to the corresponding cross member further comprises:
and arranging the side plates on the corresponding lower flange plates, and limiting the corresponding side plates in the corresponding C-shaped parts through the protrusions.
8. The method of constructing a removable mold assembly as recited in claim 5, further comprising:
providing a screw thread, detachably connecting the screw thread on the fixing plate, and connecting the bottom of the screw thread with the sleeve, so that the sleeve is detachably connected with the bottom of the fixing plate.
9. The method of constructing a removable mold assembly as recited in claim 5, further comprising:
and a through hole is formed in the cross beam, and a bolt penetrates through the through hole and is screwed in a threaded hole formed in a side die of the die or a bearing platform below the die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710968637.3A CN107599137B (en) | 2017-10-18 | 2017-10-18 | Detachable mold assembly and construction method thereof |
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| CN201710968637.3A CN107599137B (en) | 2017-10-18 | 2017-10-18 | Detachable mold assembly and construction method thereof |
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| CN107599137A CN107599137A (en) | 2018-01-19 |
| CN107599137B true CN107599137B (en) | 2023-01-20 |
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| CN109853974B (en) * | 2018-12-29 | 2023-12-22 | 中国建筑第二工程局有限公司 | Air bearing membrane system for foundation pit operation and construction method thereof |
| CN110238945A (en) * | 2019-07-12 | 2019-09-17 | 江苏君道绿色建筑科技有限公司 | A kind of PC prefabricated components processing mold component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH585330A5 (en) * | 1975-06-12 | 1977-02-28 | Seemann R Gmbh U Co Kg | Wall element prefabrication palette formwork - has various side form finishes fitted between head and base forms |
| CN103216131A (en) * | 2013-04-20 | 2013-07-24 | 上海市政工程设计研究总院（集团）有限公司 | Reserved hole pore-forming construction method for concrete structure |
| CN206495501U (en) * | 2017-01-25 | 2017-09-15 | 上海建工五建集团有限公司 | A kind of cast-in-place concrete floor reserving hole template |
| CN207327252U (en) * | 2017-10-18 | 2018-05-08 | 中建科技（北京）有限公司 | Collapsible mould component |
-
2017
- 2017-10-18 CN CN201710968637.3A patent/CN107599137B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH585330A5 (en) * | 1975-06-12 | 1977-02-28 | Seemann R Gmbh U Co Kg | Wall element prefabrication palette formwork - has various side form finishes fitted between head and base forms |
| CN103216131A (en) * | 2013-04-20 | 2013-07-24 | 上海市政工程设计研究总院（集团）有限公司 | Reserved hole pore-forming construction method for concrete structure |
| CN206495501U (en) * | 2017-01-25 | 2017-09-15 | 上海建工五建集团有限公司 | A kind of cast-in-place concrete floor reserving hole template |
| CN207327252U (en) * | 2017-10-18 | 2018-05-08 | 中建科技（北京）有限公司 | Collapsible mould component |
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