CN117488874A - Post-pouring strip template replacing device and construction method - Google Patents
Post-pouring strip template replacing device and construction method Download PDFInfo
- Publication number
- CN117488874A CN117488874A CN202311411790.8A CN202311411790A CN117488874A CN 117488874 A CN117488874 A CN 117488874A CN 202311411790 A CN202311411790 A CN 202311411790A CN 117488874 A CN117488874 A CN 117488874A
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- Prior art keywords
- comb plate
- shape taking
- shape
- post
- taking
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- Pending
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 21
- 239000011229 interlayer Substances 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 10
- 238000006467 substitution reaction Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 description 8
- 239000002023 wood Substances 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a template replacing device at a post-pouring belt and a construction method, comprising a shape taking comb plate, wherein shape taking strips at two sides of the shape taking comb plate are respectively controlled by an adjusting component to stretch and retract corresponding shape taking strips; the comb plate box body is provided with a plurality of shape-taking comb plates which are inserted in parallel and connected in a sliding manner; when one of the shape taking comb plates touches the steel bar to enable the shape taking comb plate to form a blank area below the shape taking comb plate, the shape taking comb plates on two adjacent sides of the shape taking comb plate are used for plugging the blank area by adjusting the corresponding shape taking strips to extend out through the adjusting component; and the fixer is used for integrally fixing the comb plate and the comb plate box body on the steel bar. The invention can achieve the functions of stopping and preventing leakage of slurry, can be suitable for most post-pouring belt structures, avoids slurry leakage caused by gaps, reduces the integrity of a main body and the structural stability of the main body, can accelerate the construction process, improves the bonding strength of concrete and improves the construction efficiency.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a post-pouring strip template replacing device and a construction method.
Background
In recent years, with the rapid development of building construction in China, the quality of concrete pouring is the key point of quality control. According to the national standard: the definition of the 2.0.10 post-cast strip of the concrete structure engineering construction specification is as follows: in order to adapt to the influences of factors such as environmental temperature change, concrete shrinkage, uneven settlement of structures and the like, a post-cast strip which is reserved in the structures such as beams, plates (including foundation plates), walls and the like, has a certain width and is poured after a certain time. The investigation shows that the hidden danger of water leakage is easy to occur at the post-cast strip, the wood pattern is difficult to take out, the later-stage wet joint and foundation slab construction are affected, and the post-cast strip is used for preventing the cast-in-situ reinforced concrete structure from harmful cracks possibly generated due to uneven self shrinkage or uneven settlement, so that the installation quality of the wood pattern comb plate is required to be improved, and the post-cast strip construction is ensured. However, since the post-cast comb plate is usually cut and customized by using a wood die, the wood die comb plate is easy to deform after long-term use, and gaps exist between the steel bars, so that the installation process of the wood die comb plate is difficult, a worker can only cut the wood die comb plate according to the gaps between the steel bars, and then the wood die comb plate is inserted and fixed one by one.
When pouring construction is performed at the post-pouring zone of the traditional process, constructors can insert the wooden comb plates into the steel bars of the foundation slab to fix the pouring quality of the post-pouring zone, and the wooden comb plates are mainly used for stopping slurry, reducing slurry leakage and preventing steel bar displacement in the concrete pouring process, but due to the fact that the number of the wooden comb plates is large, the installation space is small, the construction time is long, the working strength is high, the pouring quality of the post-pouring zone cannot reach the standard, hidden danger of water leakage is prone to occur, later-stage wet joint and foundation slab construction are affected, and the construction quality is directly affected. The constructor can only work with high intensity, high frequency and low efficiency, and the later construction difficulty is increased.
Disclosure of Invention
The invention aims to provide a post-pouring strip template replacing device and a construction method aiming at the defects of the prior art.
The specific technical scheme is as follows:
a post-cast strip template replacing device comprises
The shape taking comb plate is characterized in that shape taking strips on two sides of the shape taking comb plate are respectively controlled by an adjusting component to stretch and retract corresponding shape taking strips;
the comb plate box body is provided with a plurality of shape-taking comb plates which are inserted in parallel and connected in a sliding manner; when one of the shape taking comb plates touches the steel bar to enable the shape taking comb plate to form a blank area below the shape taking comb plate, the shape taking comb plates on two adjacent sides of the shape taking comb plate are used for plugging the blank area by adjusting the corresponding shape taking strips to extend out through the adjusting component; and
and the fixer is used for integrally fixing the comb plate box body and the shape-taking comb plate which passes through the steel bar on the steel bar.
Optionally, get shape comb board and get shape ware including comb board intermediate layer and get shape ware and be fixed in comb board upper strata that comb board intermediate layer got shape ware both sides respectively and get shape ware and comb board lower floor, comb board upper strata is got shape ware and comb board lower floor and is got shape ware and is taken shape ware central symmetry setting about comb board intermediate layer, just comb board upper strata is got shape ware and comb board lower floor and is got shape ware and all include the bar casing, the width direction of bar casing alternates and has a plurality of to get shape strip.
Optionally, the adjusting component comprises a fixed rod, a pull rod, a base, a connecting rod and an adjusting screw; the pull rod is respectively connected with the strip-shaped shell and the fixed rod in a rotating way through a hinge, and the connecting rod is hinged to one end part of the pull rod; the base is arranged at one end of the fixed rod, the adjusting screw rod penetrates through the base and is in threaded connection with the base, and the other end of the connecting rod is hinged with the end part of the adjusting screw rod; each shape taking strip is connected with the fixing rod through a compression spring; the strip-shaped shell can drive the shape taking device to extend out of the comb plate interlayer shape taking device by rotating the adjusting screw rod.
Optionally, a plurality of sliding grooves for a plurality of shape taking strips to slide are respectively arranged in the strip-shaped shell along the width direction.
Optionally, a dust cover is arranged on the outer side cover of the adjusting screw.
Optionally, the hinge is fixed on the pull rod by a rotation screw.
Optionally, two adjacent comb plate box bodies are connected in a clamping manner.
A construction method of a template substitution device at a post-pouring zone comprises the following steps:
s1, firstly, a template substitution device at a post-pouring belt can be mounted to a designated position in advance, and a shape-taking comb plate below which touches the steel bars moves upwards;
s2, assembling adjacent comb plate box bodies through box body connecting grooves according to the required length by a template replacing device at the post-pouring belt;
s3, enabling the shape taking comb plate side to extend out of the front and rear shape taking strips through the adjusting assembly to reach the plugging distance;
s4, smearing a release agent on the shape-taking comb plate before pouring at the post-pouring belt;
s5, when pouring is completed, detecting and checking the concrete in a concrete curing period; and after the post-pouring belt is qualified, the template replacing device at the post-pouring belt is removed and cleaned so as to facilitate construction and use at the next post-pouring belt.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by using a plate taking technology capable of moving up and down, the problem of template blocking between steel bars at a post-cast strip at a construction site is solved, the blocking quality of the post-cast strip is improved, and a foundation is laid for later waterproof construction; by using the lateral plugging strip technology, the problem of blind areas of plugging of the plugging plate is solved, and the plugging area of the device is greatly increased; by using the adjusting screw and the hinged connecting rod technology, the power problem of the lateral plugging and shape taking strip in the using process is solved, and the construction efficiency is improved; by using the connecting groove technology, the problem that the length of the post-pouring belt is changeable in the construction process of the device is solved, and the universality of the device is improved; the device is adopted and can be installed simply, conveniently and rapidly through the shape taking comb plate which can move up and down by a plurality of equidistance, the functions of stopping slurry and preventing slurry leakage can be achieved, the device can adapt to most of post-pouring belt structures, gaps are avoided, slurry leakage is caused, the integrity and the structural stability of a main body are reduced, the device can accelerate the construction process, the bonding strength of concrete is improved, the construction efficiency is improved, the pollution of wood dust produced during the working process of manufacturing the wooden comb plate to the environment is effectively reduced, the device is suitable for various post-pouring belts, and the application range is wide.
Drawings
Fig. 1 is a schematic front view of a comb plate in a post-pouring strip template replacing device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a rear view structure of a comb plate in a mold plate replacing device at a post-pouring zone according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure at B-B in FIG. 2;
fig. 5 is a schematic structural view of a comb plate upper layer shape remover (comb plate lower layer shape remover) in a post-pouring strip template substitution device according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a post-pouring strip extending out of a shape taking strip in a comb plate upper layer shape taking device (a comb plate lower layer shape taking device) in a post-pouring strip template replacing device provided by the embodiment of the invention;
FIG. 7 is a schematic diagram of a compression spring in a post-cast strip formwork replacement apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a post-pouring strip template substitution device for showing adjustment of an adjusting screw in a working condition according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of the overall connection of the apparatus in a post-cast strip formwork replacement apparatus according to an embodiment of the present invention;
fig. 10 is a schematic structural view for showing a retainer in a post-pouring strip formwork replacement device according to an embodiment of the present invention.
In the figure: 1. taking a comb plate; 10. taking a shape strip; 11. a comb plate interlayer shape taking device; 12. a comb plate upper layer shape taking device; 13. a comb plate lower layer shape taking device; 14. a strip-shaped housing; 140. a chute; 2. an adjustment assembly; 21. a fixed rod; 211. a compression spring; 22. a pull rod; 221. a hinge; 222. rotating the screw; 23. a base; 24. a connecting rod; 25. adjusting a screw; 251. a dust cover; 3. a comb plate box body; 31. a box body connecting groove; 4. a holder; 41. a hinge rod; 42. a hinge connector; 43. and (5) a ring buckle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The post-cast strip template replacing device provided by the invention, referring to fig. 1-10, comprises:
the shape taking comb plate 1, and shape taking strips 10 on two sides of the shape taking comb plate 1 are respectively controlled by the adjusting component 2 to stretch and retract corresponding shape taking strips 10;
the comb plate box body 3 is provided with a plurality of shape-taking comb plates 1 which are inserted in parallel and are connected in the comb plate box body 3 in a sliding way; when a shape taking comb plate 1 touches a reinforcing steel bar to enable a blank area to be formed below the shape taking comb plate 1, the shape taking comb plates 1 on two adjacent sides of the shape taking comb plate 1 are adjusted to extend out of the corresponding shape taking strips 10 through an adjusting assembly 2 to plug the blank area; and
and the fixer 4 is used for integrally fixing the comb plate box body 3 and the shape-taking comb plate 1 which passes through the steel bar on the steel bar.
In the embodiment, the template replacing device at the post-pouring zone consists of a plurality of shape-taking comb plates 1 which can move up and down at equal distance, and the box bodies 3 of two adjacent comb plates are connected in a clamping way, so that the length of the device can be adjusted according to the actual working condition of a construction site, and the universality of the device is improved; when in construction, firstly, a template substitution device at a post-pouring belt is arranged at a designated position in advance, a shape taking comb plate 1 of which the lower part touches a reinforcing steel bar moves upwards, an area which is supposed to be filled by the shape taking comb plate 1 is a blank area because of the blocking of the reinforcing steel bar, the blank area below the shape taking comb plate 1 is blocked by the shape taking comb plate 1 adjacent to the two sides of the blank area through a corresponding shape taking strip 10 regulated by a regulating component 2, and meanwhile, a comb plate box body 3 and the shape taking comb plate 1 which penetrates the reinforcing steel bar are integrally fixed on the reinforcing steel bar through a fixer 4, so that the condition of deviation of the device in the pouring process is effectively prevented; therefore, the device can be adjusted up and down according to the positions of the on-site steel bars, so that the device achieves the effects of stopping and preventing leakage of the slurry, solves the problem of template blocking between steel bars at a post-cast strip of a construction site, improves the blocking quality of the post-cast strip, lays a foundation for later waterproof construction, and greatly improves the construction efficiency.
Referring to fig. 1-4, the comb plate 1 comprises a comb plate interlayer shape taking device 11, and a comb plate upper layer shape taking device 12 and a comb plate lower layer shape taking device 13 which are respectively fixed on two sides of the comb plate interlayer shape taking device 11, wherein the comb plate upper layer shape taking device 12 and the comb plate lower layer shape taking device 13 are arranged in a central symmetry mode with respect to the comb plate interlayer shape taking device 11, the comb plate upper layer shape taking device 12 and the comb plate lower layer shape taking device 13 comprise a strip-shaped shell 14, and a plurality of shape taking strips 10 are inserted in the width direction of the strip-shaped shell 14.
Referring to fig. 5 to 7, the adjusting assembly 2 includes a fixing rod 21, a pull rod 22, a base 23, a link 24, and an adjusting screw 25; the pull rod 22 is respectively connected with the strip-shaped shell 14 and the fixed rod 21 in a rotating way through a hinge 221, the hinge 221 is fixed on the pull rod 22 through a rotating screw 222, and the connecting rod 24 is hinged at one end part of the pull rod 22; the base 23 is arranged at one end part of the fixed rod 21, the adjusting screw rod 25 penetrates through the base 23 and is in threaded connection with the base 23, and the other end of the connecting rod 24 is hinged with the end part of the adjusting screw rod 25; each shape taking strip 10 is connected with the fixed rod 21 through a compression spring 211, and the shape taking strips 10 are also arranged below the comb plate interlayer shape taking device 11 in a penetrating way through the compression spring 211; the strip-shaped shell 14 can be driven to extend out of the comb plate interlayer shape taking device 11 by rotating the adjusting screw 25, the blocking of a blank area is achieved, the power problem of the lateral blocking shape taking strip 10 in the using process is solved by using the adjusting screw 25 and the hinge 221 rod technology, and the construction efficiency is improved.
A plurality of sliding grooves 140 for sliding the plurality of shape taking bars 10 are respectively arranged in the strip-shaped shell 14 along the width direction.
The adjusting screw 25 is provided with a dust cover 251 on the outer side for protecting the adjusting screw 25, so that the device can be disassembled through the adjusting screw 25 after the subsequent construction is completed, so that the device can be used next time.
Referring to fig. 8 to 10, the construction method of the post-cast strip formwork replacement device provided by the invention comprises the following steps:
s1, firstly, a template replacing device at a post-pouring belt can be installed at a designated position in advance, and a shape-taking comb plate 1, below which is in contact with a reinforcing steel bar, moves upwards;
s2, assembling adjacent comb plate box bodies 3 through box body connecting grooves 31 according to the required length by a template replacing device at the post-pouring zone;
s3, integrally mounting the comb plate box body 3 and a plurality of groups of the shape-taking comb plates 1 which penetrate through the steel bars on the fixer 4, and fixing the fixer 4 at the corresponding steel bars through the hinging rods 41, the hinging connectors 42 and the buckles 43;
s4, the shaping comb plate 1 side extends out of the front and back shaping strips 10 through the adjusting assembly 2, the adjusting screw 25 is locked after the blocking distance is reached, and the dust cover 251 of the adjusting screw 25 is closed;
s5, smearing a release agent on the shape-taking comb plate 1 before pouring at the post-pouring belt;
s6, when pouring is completed, detecting and checking the concrete in a concrete curing period; and after the post-pouring belt is qualified, the template replacing device at the post-pouring belt is removed and cleaned so as to facilitate construction and use at the next post-pouring belt.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A post-pouring strip template replacing device is characterized by comprising
The shape taking comb plate is characterized in that shape taking strips on two sides of the shape taking comb plate are respectively controlled by an adjusting component to stretch and retract corresponding shape taking strips;
the comb plate box body is provided with a plurality of shape-taking comb plates which are inserted in parallel and connected in a sliding manner; when one of the shape taking comb plates touches the steel bar to enable the shape taking comb plate to form a blank area below the shape taking comb plate, the shape taking comb plates on two adjacent sides of the shape taking comb plate are used for plugging the blank area by adjusting the corresponding shape taking strips to extend out through the adjusting component; and
and the fixer is used for integrally fixing the comb plate box body and the shape-taking comb plate which passes through the steel bar on the steel bar.
2. The post-pouring strip template replacing device according to claim 1, wherein the shape taking comb plate comprises a comb plate interlayer shape taking device, and a comb plate upper layer shape taking device and a comb plate lower layer shape taking device which are respectively fixed on two sides of the comb plate interlayer shape taking device, the comb plate upper layer shape taking device and the comb plate lower layer shape taking device are arranged symmetrically about the center of the comb plate interlayer shape taking device, the comb plate upper layer shape taking device and the comb plate lower layer shape taking device comprise strip-shaped shells, and a plurality of shape taking strips are inserted in the width direction of the strip-shaped shells.
3. The post-cast strip formwork replacement device of claim 2, wherein the adjustment assembly comprises a fixed rod, a tie rod, a base, a connecting rod, and an adjustment screw; the pull rod is respectively connected with the strip-shaped shell and the fixed rod in a rotating way through a hinge, and the connecting rod is hinged to one end part of the pull rod; the base is arranged at one end of the fixed rod, the adjusting screw rod penetrates through the base and is in threaded connection with the base, and the other end of the connecting rod is hinged with the end part of the adjusting screw rod; each shape taking strip is connected with the fixing rod through a compression spring; the strip-shaped shell can drive the shape taking device to extend out of the comb plate interlayer shape taking device by rotating the adjusting screw rod.
4. The post-cast strip formwork replacement device according to claim 2, wherein a plurality of sliding grooves for sliding a plurality of shape taking strips are respectively formed in the strip-shaped shell along the width direction.
5. The post-cast strip formwork replacement apparatus as in claim 3 wherein the adjusting screw outer shroud is provided with a dust cap.
6. The post-cast strip formwork replacement apparatus as in claim 3 wherein the hinge is secured to the tie bar by a swivel screw.
7. The post-cast strip formwork replacement device according to claim 1, wherein two adjacent comb plate box bodies are arranged in a clamping manner.
8. The construction method of the post-cast strip formwork replacement apparatus as claimed in any of claims 1 to 7, comprising the steps of:
s1, firstly, a template substitution device at a post-pouring belt can be mounted to a designated position in advance, and a shape-taking comb plate below which touches the steel bars moves upwards;
s2, assembling adjacent comb plate box bodies through box body connecting grooves according to the required length by a template replacing device at the post-pouring belt;
s3, integrally mounting the comb plate box body and a plurality of groups of comb plates which penetrate through the steel bars and are in shape taking, and fixing the fixing devices at the corresponding steel bars;
s4, enabling the shape taking comb plate side to extend out of the front and rear shape taking strips through the adjusting assembly to reach the plugging distance;
s5, smearing a release agent on the shape-taking comb plate before pouring at the post-pouring belt;
s6, when pouring is completed, detecting and checking the concrete in a concrete curing period; and after the post-pouring belt is qualified, the template replacing device at the post-pouring belt is removed and cleaned so as to facilitate construction and use at the next post-pouring belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311411790.8A CN117488874A (en) | 2023-10-26 | 2023-10-26 | Post-pouring strip template replacing device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311411790.8A CN117488874A (en) | 2023-10-26 | 2023-10-26 | Post-pouring strip template replacing device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117488874A true CN117488874A (en) | 2024-02-02 |
Family
ID=89677448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311411790.8A Pending CN117488874A (en) | 2023-10-26 | 2023-10-26 | Post-pouring strip template replacing device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117488874A (en) |
-
2023
- 2023-10-26 CN CN202311411790.8A patent/CN117488874A/en active Pending
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