CN109571720B - High-precision multifunctional concrete bridge deck prefabricating die and working method thereof - Google Patents
High-precision multifunctional concrete bridge deck prefabricating die and working method thereof Download PDFInfo
- Publication number
- CN109571720B CN109571720B CN201910036269.8A CN201910036269A CN109571720B CN 109571720 B CN109571720 B CN 109571720B CN 201910036269 A CN201910036269 A CN 201910036269A CN 109571720 B CN109571720 B CN 109571720B
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- die
- positioning
- bottom die
- bridge deck
- base
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- 239000004567 concrete Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 14
- 238000009417 prefabrication Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000725 suspension Substances 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
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a high-precision multifunctional concrete bridge deck prefabricating die and a working method thereof, wherein the prefabricating die comprises a base, a bottom die positioned on the upper layer of the base, and side dies positioned on the upper layer of the bottom die and distributed along the periphery of the edge of the bottom die; the side die is provided with a plurality of first positioning holes for positioning the reinforcing steel bars, the outer side of the side die is provided with a plurality of demolding devices which are distributed at intervals, and the inner side of the side die is provided with a plurality of core films for positioning the reinforcing steel bars; the lower layer of the base is provided with a plurality of lifting devices penetrating through the base and used for lifting the bottom die. The whole prefabrication precision of the concrete prefabrication bridge deck can be ensured by utilizing the prefabrication die.
Description
Technical Field
The invention relates to the field of bridge manufacture, in particular to a concrete bridge deck prefabricating die used in the field of bridge manufacture and a working method thereof.
Background
The concrete bridge deck is adopted for the steel-concrete composite beam, factory and standardized prefabrication mode construction is generally carried out at present, the construction quality can be effectively ensured, the construction progress is quickened, and the development is rapid in China in recent years. The construction difficulties of precast concrete bridge deck prefabrication mainly include: (1) To realize accurate matching alignment between the steel member pre-embedded below the prefabricated bridge deck and the steel beam, the pre-embedded position accuracy of the pre-embedded steel member must be ensured; (2) All the connecting steel bars at the wet joints between the adjacent prefabricated bridge decks are connected by adopting mechanical sleeves, the connecting precision requirement is extremely high, and the construction positioning precision of the steel bars must be ensured for the connecting steel bars; (3) The precast bridge deck is a long and large component, the overall dimension is changeable, and the overall dimension precision must be ensured during prefabrication. The traditional construction method of the concrete prefabricated part template cannot ensure that the prefabrication precision of the concrete prefabricated bridge deck meets the precision requirement.
Disclosure of Invention
The invention aims to: aiming at the difficulties, the invention provides the high-precision multifunctional concrete bridge deck prefabricating die and the working method thereof, which realize the control of the outline dimension precision of the prefabricating member and precisely control the positions of the reinforcing steel bars, in particular the positions of the mechanical sleeves of the ends of the reinforcing steel bars and the positions of the pre-buried steel members.
The technical scheme is as follows: the invention relates to a high-precision multifunctional concrete bridge deck prefabricating die, the side die comprises a base, a bottom die arranged on the upper layer of the base and side dies arranged on the upper layer of the bottom die and distributed along the periphery of the edge of the bottom die; the side die is provided with a plurality of first positioning holes for positioning the reinforcing steel bars, the outer side of the side die is provided with a plurality of demolding devices which are distributed at intervals, and the inner side of the side die is provided with a plurality of core dies for positioning the reinforcing steel bars; the lower layer of the base is provided with a plurality of lifting devices for lifting the bottom die.
The bottom die comprises a first bottom die and a second bottom die positioned on the upper layer of the first bottom die; the first bottom die is provided with grooves which are distributed in parallel at intervals and used for positioning the T-shaped embedded members; the second bottom die is provided with notches which are distributed in parallel at intervals and communicated with the grooves and used for the T-shaped embedded members to pass through.
In a preferred mode of the invention, the bottom die is provided with a plurality of first vent holes.
In a preferred mode of the invention, the demolding device comprises a sliding rail fixed at the edge of the bottom mold and a screw rod with one end fixed at the side mold.
The core mould is provided with a plurality of second positioning holes for positioning the vertical ribs and a plurality of positioning grooves for positioning the horizontal ribs; the second positioning hole is matched with the first positioning hole.
In a preferred mode of the present invention, the side mold has a second through hole at a position opposite to the core mold.
A preferred form of the invention is that the core form is a hollow structure comprised of dovetails.
The base is provided with a plurality of longitudinal beams and cross beams which are arranged in a staggered mode.
In a preferred mode of the invention, the lifting devices are positioned below the horizontal center line of the bottom die.
The working method of the high-precision multifunctional concrete bridge deck prefabricating die comprises the following steps of: (1) A base, a bottom die, a side die, a core die and a demoulding device are sequentially installed, and a plurality of lifting devices are arranged below the base; (2) The groove arranged on the bottom die is used for positioning the T-shaped embedded part, and the first positioning holes arranged on the side die and the core die are used for jointly completing the positioning of the transverse ribs and the vertical ribs to manufacture a prefabricated bridge deck; (3) After the prefabricated bridge deck plate is completed, the core mould is removed, then the side mould is removed by using a demoulding device, the bottom mould demoulding is completed by using a lifting device, and the manufacturing of the prefabricated bridge deck plate is completed.
The beneficial effects are that: (1) The die ensures the overall rigidity, bearing capacity and flatness requirements of the prefabricated die through the base in the form of the longitudinal beam lattice; (2) The bottom die is designed in a double-layer manner, and the bottom die forms the grooves embedded with the pre-members, so that the assembly precision of the pre-buried steel members is ensured; (3) The edge mold and the core mold guarantee the aim of the positioning precision of the reinforcing steel bars through ingenious split design and finish machining positioning holes formed in the edge mold and the core mold; (4) After the die system is integrally installed, the integral prefabrication precision of the concrete prefabrication bridge deck can be realized.
Drawings
FIG. 1 is a schematic view of the whole structure of a prefabricated mold according to the present invention;
FIG. 2 is a cross-sectional view of a preform mold according to the present invention;
FIG. 3 is a schematic diagram showing the superposition effect of the base and bottom die structure of the present invention;
FIG. 4 is a top view of the bottom mold structure of the present invention;
FIG. 5 is a top view of a preform mold of the present invention;
FIG. 6 is a schematic diagram of a side mold structure according to the present invention;
FIG. 7 is a schematic view of the core mold according to the present invention;
FIG. 8 is a schematic illustration of an unsealed mandrel in accordance with the present invention;
FIG. 9 is a schematic view of a demolding device according to the present invention;
FIG. 10 is a schematic view of a partial structure of a bottom mold according to the present invention;
FIG. 11 is a schematic view of a partial structure of a bottom mold according to the present invention;
FIG. 12 is a schematic view of the side mold and core mold of the present invention before assembly;
FIG. 13 is a schematic view of the structure of the prefabricated mold of the present invention when used in combination;
FIG. 14 is a schematic view of a partial structure of the prefabricated form of the present invention when detached from the prefabricated bridge deck.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1 and 2, the high-precision multifunctional concrete bridge deck prefabricating die comprises a base 1, a bottom die 2 positioned on the upper layer of the base 1, side dies 3 positioned around the bottom die 2, a demoulding device 4 positioned on the outer side of the side dies and a core die 5 positioned on the inner side of the side dies.
As shown in fig. 3 and 4, the base 1 is composed of a plurality of mutually parallel longitudinal beams and a plurality of mutually parallel transverse beams, and the longitudinal beams and the transverse beams are vertically arranged, so that the longitudinal beams 11 and the transverse beams 12 are staggered to form a net-shaped supporting bottom die 2; the upper layer of the base 1 is provided with a bottom die 2, the bottom die 2 consists of a first bottom die 21 and a second bottom die 22 positioned on the upper layer of the first bottom die 21, the first bottom die 21 is provided with two grooves 211 which are distributed in parallel at intervals and used for positioning T-shaped embedded members, the second bottom die 22 is provided with notches 221 which are communicated with the grooves 211 and used for allowing the T-shaped embedded members to pass through, the width of the notches 221 is larger than that of the grooves 211 according to the laying requirements of embedded members, and the notches 211 and the grooves 211 jointly divide the bottom die into three bottom die modules which are parallel to each other.
After the prefabricated bridge deck is completed, the prefabricated bridge deck needs to be separated from the bottom die, so that the base 1 is also divided into three base modules matched with the bottom die modules.
As shown in fig. 5, a plurality of first ventilation holes 23 are formed in a bottom die 2 at intervals, side dies 3 are arranged at the periphery of the bottom die 2, a demoulding device 4 is arranged outside the side dies 3, the demoulding device 4 is used for separating the side dies 3 from a prefabricated bridge deck, as shown in fig. 9, the demoulding device 4 consists of a sliding rail 41 fixed at the edge of a second bottom die 22 and a lead screw 42 in sliding connection with the sliding rail 41, one end of the lead screw 42 is fixed at the side edge of the side dies 3, and when in use, the lead screw 42 slides along the sliding rail 41 to separate the side dies 3 from the prefabricated bridge deck.
As shown in fig. 6, the side mold 3 is provided with a first positioning hole 31 and a second through hole 32 for positioning the vertical rib.
As shown in fig. 7 and 8, a plurality of core dies 5 are fixed on the inner side of a side die 3, the core dies 5 are hollow structures formed by dovetails, a plurality of second positioning holes 51 for positioning vertical ribs are formed in the side edges of the core dies 5, the side edges of the side die 3, which are fixed, and the corresponding side edges of the core dies, a plurality of positioning grooves 52 for positioning transverse ribs are formed in the two side edges of the side die 3, which are vertical to the side edges, and the second positioning holes 51 are matched with the first positioning holes 31 on the side die 3 to jointly finish positioning of the vertical ribs.
After the prefabricated bridge deck is completed, in order to completely separate the prefabricated bridge deck from the inventive device, a plurality of lifting devices 6 which are uniformly distributed are arranged below the base 1, and the distribution direction is the same as the direction of the grooves 211.
Example 2: based on the structure of example 1, the invention produces a prefabricated mold with the following specifications, and the specific preparation method is as follows:
the system of the cross beam 12 and the longitudinal beam 11 is formed by adopting I-steel and channel steel, a foundation pit is arranged below the base 1, the height is about 1.2m, and bolts Shi Ning are facilitated. Before the prefabricated die is assembled, the I-shaped cross beam of the base 1 is bolted with the ground embedded plate, and the overall planeness of the base 1 is adjusted through bolts.
For the location equipment of the pre-buried component of the T shape of being convenient for, base 1 and die block 2 junction totally divide three parts, contain middle part base and the avris base that is located the middle part base both sides, the die block also divide into the middle part die block that is located middle part base top and the avris die block that is located the middle part die block both sides, base 1 and die block 2 weld as an organic wholely.
As shown in fig. 11, the first bottom die 21 and the second bottom die 22 which form the bottom die 2 are made of two layers of 12mm steel plates, and are provided with grooves for embedding the T-shaped embedded members, so as to position the embedded plates and the T-shaped embedded members; as shown in fig. 10, the variable cross section of the prefabricated plates at two sides is realized by bending steel plates, the bottom die 2 is provided with first ventilation holes 23 at the prefabricated plate positions at intervals of 2m, the embedded steel plates are arranged at corresponding assembly positions, two parallel grooves 211 which are convenient for the T-shaped webs to pass through are arranged, and the upper surfaces of the embedded members are ensured to be flush with the upper surface of the bottom die. To ensure accurate positioning of the T-shaped embedded members, the second bottom die 22 is broken into three parts at the T-shaped embedded member position, and positioned according to the embedded member spacing, to form the notch 221. A stripping cylinder is then installed as the lifting device 6.
As shown in fig. 12, the side mold 3 is provided with a first positioning hole 31, the core mold 5 is provided with a second positioning hole 51 for positioning the reinforcing steel bar, the core mold 5 adopts a split hollow core mold at the concave part of the dovetail joint, and is provided with a positioning groove 52 for accommodating the reinforcing steel bar, and in order to prevent slurry leakage, the positioning groove 52 in the core mold 5 is blocked by a sealant. When the side die 3 is positioned, the side die 3 is pushed to the installation position by a screw rod 42, the side die 3 and the bottom die 2 are fixed by pins after being pressed by a slide rail 41 of the demoulding device 4, and the side die 3 are fixed by loose joint bolts. After installing the bleed hole plug and installing the reinforcing mesh, the core mold 5 is assembled.
As shown in fig. 13, when the reinforcing mesh is assembled, the reinforcing steel bar is first inserted into the threaded sleeve, and the outer side of the side mold 3 is inserted into the threaded pull rod to be connected with the other end of the threaded sleeve through the first positioning hole 31, so as to realize the positioning of the reinforcing steel bar. The outer side of the core mould is penetrated with a threaded pull rod, and the second through hole 32 of the side mould 3 penetrates into a second positioning hole 51 of the core mould to be connected with the other end of the steel bar threaded sleeve, so that the steel bar positioning is realized.
As shown in fig. 14, when the mold is removed, the side mold 3, the core mold 5, and the bottom mold 2 are performed in this order.
First, all the threaded ties between the sideform 3, the mandrel 5 and the reinforcing mesh are removed, the sideform 3 is pulled out along the slide rail 41 by the screw 42 of the stripper 4, and the mandrel 5 is taken out by a crow bar.
And dismantling a connecting bolt of the bottom die 2 for fixing the T-shaped embedded part, dismantling a hole plug of the first vent hole 23, starting a lifting device 6 demoulding hydraulic cylinder, and jacking the prefabricated bridge deck and the middle bottom die together.
And adding a cushion block between the prefabricated bridge deck and the bottom molds at the two sides, starting a lifting device 6 demoulding hydraulic cylinder, putting down the prefabricated bridge deck, and continuing to put down the prefabricated bridge deck due to the cushion block between the prefabricated bridge deck and the bottom molds at the two sides, wherein the prefabricated bridge deck can be separated from the middle bottom mold.
The invention discloses a die for controlling prefabrication precision of a concrete bridge deck of a steel-concrete composite beam of a large cable-stayed bridge and a suspension bridge. The high-precision multifunctional concrete bridge deck prefabricating die can effectively control the position precision of mechanical sleeve connecting steel bars around the periphery of the concrete prefabricated bridge deck and the position precision of the pre-buried steel member and the overall dimension precision of the prefabricated bridge deck. The mold integrates according to different precast slab types, adopts a split modular design concept, reduces the types of precast molds, has strong universality, is convenient to install and detach, has high construction efficiency, is suitable for large-scale and standardized production of factories, and effectively reduces the manufacturing cost and the precast production cost of bridge decks.
Claims (7)
1. The high-precision multifunctional concrete bridge deck prefabricating die is characterized by comprising a base (1), a bottom die (2) positioned on the upper layer of the base (1), and side dies (3) positioned on the upper layer of the bottom die (2) and distributed along the periphery of the edge of the bottom die (2); the side die (3) is provided with a plurality of first positioning holes (31) for positioning the reinforcing steel bars, the outer side of the side die is provided with a plurality of demolding devices (4) which are distributed at intervals, and the inner side of the side die is provided with a plurality of core dies (5) for positioning the reinforcing steel bars; the core mould (5) is provided with a plurality of second positioning holes (51) for positioning vertical ribs and a plurality of positioning grooves (52) for positioning horizontal ribs; the second positioning hole (51) is matched with the first positioning hole (31); the core mould (5) is a hollow structure formed by dovetails;
when the reinforcing mesh is assembled, reinforcing steel bars are penetrated into the threaded sleeve, the outer side of the side die (3) is penetrated into the threaded pull rod, and the threaded pull rod is connected with the other end of the threaded sleeve through the first positioning hole (31); penetrating a threaded pull rod outside the core mold, and connecting the threaded pull rod with the other end of the steel bar threaded sleeve through a second positioning hole (51) of the core mold to realize steel bar positioning; a plurality of lifting devices (6) for lifting the bottom die (2) are arranged on the lower layer of the base (1);
the bottom die (2) comprises a first bottom die (21) and a second bottom die (22) positioned on the upper layer of the first bottom die (21); the first bottom die (21) is provided with a plurality of parallel distribution at intervals, a groove (211) for positioning the T-shaped embedded member; the second bottom die (22) is provided with a plurality of parallel distribution at intervals, a notch (221) communicated with the groove (211) for the T-shaped embedded component to pass through.
2. The high-precision multifunctional concrete bridge deck prefabricating die according to claim 1, wherein a plurality of first vent holes (23) are formed in the bottom die (2).
3. The high-precision multifunctional concrete bridge deck prefabricating die according to claim 1, wherein the demoulding device (4) comprises a sliding rail (41) fixed at the edge of the bottom die (2) and a screw (42) with one end fixed at the side die (3).
4. The high-precision multifunctional concrete bridge deck prefabrication mould according to claim 1, characterized in that the side mould (3) is provided with a second through hole (32) at a position opposite to the core mould (5).
5. The high-precision multifunctional concrete bridge deck prefabricating die according to claim 1, wherein the base (1) is composed of a plurality of longitudinal beams (11) and transverse beams (12) which are arranged in a staggered manner.
6. The high-precision multifunctional concrete bridge deck prefabricating mould according to claim 1, characterized in that several lifting devices (7) are located below the horizontal centre line of the bottom mould (2).
7. A method of operating a high precision multi-functional concrete deck prefabrication mould as claimed in any one of claims 1 to 6, comprising the steps of:
(1) A base, a bottom die, a side die, a core die and a demoulding device are sequentially installed, and a plurality of lifting devices are arranged below the base;
(2) The groove arranged on the bottom die is used for positioning the T-shaped embedded part, and the first positioning holes arranged on the side die and the core die are used for jointly completing the positioning of the transverse ribs and the vertical ribs to manufacture a prefabricated bridge deck;
(3) And after the prefabricated plate is finished, removing the core mould, then removing the side mould by using a demoulding device, and finishing demoulding of the bottom mould by using a lifting device to finish manufacturing of the prefabricated bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036269.8A CN109571720B (en) | 2019-01-15 | 2019-01-15 | High-precision multifunctional concrete bridge deck prefabricating die and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036269.8A CN109571720B (en) | 2019-01-15 | 2019-01-15 | High-precision multifunctional concrete bridge deck prefabricating die and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109571720A CN109571720A (en) | 2019-04-05 |
| CN109571720B true CN109571720B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910036269.8A Active CN109571720B (en) | 2019-01-15 | 2019-01-15 | High-precision multifunctional concrete bridge deck prefabricating die and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480802A (en) * | 2019-07-31 | 2019-11-22 | 中铁大桥科学研究院有限公司 | A kind of template and construction method being used to prepare UHPC prefabricated board |
| CN112976249B (en) * | 2021-02-04 | 2022-01-11 | 浙江大学 | Manufacturing template of laminated slab bottom plate with grooves in plate edges and production method |
| CN114193611A (en) * | 2021-12-02 | 2022-03-18 | 中铁四局集团第二工程有限公司 | Construction forming method of assembly type bridge deck prefabricated member |
| CN114559526A (en) * | 2022-02-15 | 2022-05-31 | 清华大学 | Slotted concrete prefabricated plate mould |
| CN114525875A (en) * | 2022-03-28 | 2022-05-24 | 南通理工学院 | Arch-plate combined functional assembled floor and forming structure thereof |
| CN114589792B (en) * | 2022-04-02 | 2023-09-22 | 中铁宝桥（扬州）有限公司 | Bridge prefabricated plate mould |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259639A (en) * | 2007-12-12 | 2008-09-10 | 中国中铁股份有限公司 | Bearing platform type frame pre-stress rail board mold |
| CN104669414A (en) * | 2015-02-02 | 2015-06-03 | 光明铁道控股有限公司 | Die of subway rail switch floating slab and using method of die |
| CN205364159U (en) * | 2015-12-24 | 2016-07-06 | 中民筑友有限公司 | Prefab production bench formwork |
| CN206085321U (en) * | 2016-09-27 | 2017-04-12 | 湖南五新模板有限公司 | Railway T roof beam T steel built -in fitting positioning fixture |
| CN107336346A (en) * | 2017-07-21 | 2017-11-10 | 中铁十局集团第三工程有限公司 | A kind of beam making bench |
| CN207189920U (en) * | 2017-09-14 | 2018-04-06 | 建华建材（江苏）有限公司 | A kind of prefabricated concrete retaining wall die device |
| CN108274595A (en) * | 2018-01-29 | 2018-07-13 | 中建投（沈阳）易筑节能房屋科技有限公司 | A kind of special production mould therefor realized wallboard and automatically disengaged |
| CN209971042U (en) * | 2019-01-15 | 2020-01-21 | 中铁宝桥（扬州）有限公司 | High-precision multifunctional precast concrete bridge deck slab mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10110651A1 (en) * | 2001-03-06 | 2002-09-12 | Kobra Formen Gmbh | Mold for the production of moldings |
-
2019
- 2019-01-15 CN CN201910036269.8A patent/CN109571720B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259639A (en) * | 2007-12-12 | 2008-09-10 | 中国中铁股份有限公司 | Bearing platform type frame pre-stress rail board mold |
| CN104669414A (en) * | 2015-02-02 | 2015-06-03 | 光明铁道控股有限公司 | Die of subway rail switch floating slab and using method of die |
| CN205364159U (en) * | 2015-12-24 | 2016-07-06 | 中民筑友有限公司 | Prefab production bench formwork |
| CN206085321U (en) * | 2016-09-27 | 2017-04-12 | 湖南五新模板有限公司 | Railway T roof beam T steel built -in fitting positioning fixture |
| CN107336346A (en) * | 2017-07-21 | 2017-11-10 | 中铁十局集团第三工程有限公司 | A kind of beam making bench |
| CN207189920U (en) * | 2017-09-14 | 2018-04-06 | 建华建材（江苏）有限公司 | A kind of prefabricated concrete retaining wall die device |
| CN108274595A (en) * | 2018-01-29 | 2018-07-13 | 中建投（沈阳）易筑节能房屋科技有限公司 | A kind of special production mould therefor realized wallboard and automatically disengaged |
| CN209971042U (en) * | 2019-01-15 | 2020-01-21 | 中铁宝桥（扬州）有限公司 | High-precision multifunctional precast concrete bridge deck slab mold |
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| CN109571720A (en) | 2019-04-05 |
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