CN210562907U - Multi-span column supporting assembly box concrete hollow floor for constructional engineering - Google Patents
Multi-span column supporting assembly box concrete hollow floor for constructional engineering Download PDFInfo
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- CN210562907U CN210562907U CN201920955636.XU CN201920955636U CN210562907U CN 210562907 U CN210562907 U CN 210562907U CN 201920955636 U CN201920955636 U CN 201920955636U CN 210562907 U CN210562907 U CN 210562907U
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- 239000004567 concrete Substances 0.000 title claims abstract description 35
- 230000008093 supporting effect Effects 0.000 title claims abstract description 33
- 238000010030 laminating Methods 0.000 claims description 9
- 229910000746 Structural steel Inorganic materials 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 238000000465 moulding Methods 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model discloses a building engineering is with hollow superstructure of many strides post supporting assembly box concrete relates to hollow superstructure technical field, including hollow superstructure, hollow superstructure comprises upper cover plate, lower apron, diaphragm, vertical plate, assembly box and concrete, diaphragm and vertical plate cross fixed connection, the both ends of vertical plate all with diaphragm fixed connection, the bottom of diaphragm and vertical plate all with lower apron fixed connection, the top of diaphragm and vertical plate all with upper cover plate fixed connection, the upper end of lower apron is equipped with the assembly box, the equal fixedly connected with composite head in adjacent both sides of assembly box. This building engineering is with many strides post supporting assembly box concrete hollow superstructure through the cooperation setting between upper cover plate, lower apron, diaphragm and the longitudinal slab, has constituted netted skeleton, provides the supporting role for hollow superstructure, through setting up the angle bar, has played the supporting role, prevents that upper cover plate, diaphragm and longitudinal slab atress warp, through setting up the assembly box, has reached the purpose of hollow pouring.
Description
Technical Field
The utility model relates to a hollow superstructure technical field specifically is a hollow superstructure of post supporting assembly box concrete is striden with many to building engineering.
Background
At present, in the technical field of cast-in-place reinforced concrete hollow floor systems, a fully-sealed filling body is generally adopted for casting and molding the hollow floor system, but because a sealed hollow internal mold is arranged in the hollow, the fixed difficulty is high, the buoyancy is high, the sealed hollow internal mold is easy to damage, the bearing force is poor, the solidification and hardening time of the hollow filling body is long, the utilization rate of the mold is low, the production, the transportation and the field construction are inconvenient, the filling body needs to be fixed by a full-length reinforcing steel bar, and other defects influence the molding quality of a structure, and the sealed hollow internal mold can be extruded and generate the buoyancy; and the hollow filling body is used for embedding the mold, so that the flowability of concrete is poor, the molding quality of the structure is influenced, and even the structure safety is influenced in serious cases. In order to solve the problems, the utility model provides a multi-span column supporting assembly box concrete hollow floor for constructional engineering.
The box device for hollow superstructure that discloses in chinese utility model patent application laid-open specification CN 207194269U, this hollow superstructure, though, guarantee box non-deformable in pouring or work progress to improve the shaping quality of hollow superstructure structure, improved fastness and stability, nevertheless, this hollow superstructure construction is inconvenient, wastes time and energy, is unfavorable for using widely.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a building engineering is with hollow superstructure of post supporting assembly box concrete of striding more has solved the relatively poor and inconvenient problem of construction of current hollow superstructure intensity.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multi-span column supporting assembly box concrete hollow floor for constructional engineering comprises a hollow floor, wherein the hollow floor is composed of an upper cover plate, a lower cover plate, a transverse plate, a longitudinal plate, an assembly box and concrete, the upper cover plate is positioned above the lower cover plate, the transverse plate and the longitudinal plate are fixedly connected in a crossed manner, two ends of the longitudinal plate are fixedly connected with the transverse plate, the bottom ends of the transverse plate and the longitudinal plate are fixedly connected with the lower cover plate, the top ends of the transverse plate and the longitudinal plate are fixedly connected with the upper cover plate, the upper end of the lower cover plate is provided with the assembly box, two adjacent sides of the assembly box are fixedly connected with a combination head, the combination head is movably connected with a connecting rod, and the assembly box is filled with concrete in the circumferential direction;
the assembly box comprises bottom plate, curb plate and fixed lid, the equal fixedly connected with rotating member in both ends of bottom plate, the equal fixedly connected with fixed head in one end both sides of curb plate, fixed head is through pivot and rotating member swing joint, the through-hole has been seted up at the middle part of curb plate, the other end of curb plate is seted up flutedly, the equal fixedly connected with lug in both ends of fixed lid, the lug is connected with the recess laminating, the equal fixedly connected with fixing base in inboard of bottom plate and fixed lid, the ring channel has been seted up at the middle part of fixing base, be equipped with the support column in the ring channel.
Optionally, the transverse plates and the longitudinal plates form a net structure, and the transverse plates and the longitudinal plates are fixedly connected through welding.
Optionally, the assembly boxes have multiple groups, each group has four assembly boxes, four assembly boxes are distributed in an annular array, the combined heads on every two assembly boxes correspond to each other, and the four assembly boxes are all fixedly connected through a connecting rod.
Optionally, the fixing base is trapezoidal, the fixing base has a plurality ofly, and a plurality of fixing bases are the rectangular array and distribute, the ring channel is connected with the support column laminating.
Optionally, the fixed cover is U-shaped, the upper end of the bottom plate is provided with two clamping grooves, the two clamping grooves correspond to the two side faces of the fixed cover respectively, clamping blocks are fixedly connected to the two sides of the fixed cover respectively, the clamping blocks are connected with the clamping grooves in an attaching mode, and the fixed cover is connected with the bottom plate in an attaching mode.
Optionally, the connecting rods are movably connected with the combined heads through pin shafts, the number of the combined heads is at least three, and the combined heads are arranged at equal intervals.
Optionally, angle iron is welded at the joint of the transverse plate and the longitudinal plate, and the angle iron is triangular.
Optionally, the through holes are multiple and distributed in a rectangular array, and the grooves and the lugs are fixedly connected through bolts.
Optionally, the fixing cover is attached to the upper cover plate, the limiting parts are arranged on two sides of the fixing cover, the limiting parts are fixedly connected to the upper cover plate, and the fixing cover is attached to the limiting parts.
Optionally, the upper cover plate, the lower cover plate, the transverse plate and the longitudinal plate are all hollow plates, the bottom plate and the side plates are all solid plates, the thicknesses of the upper cover plate and the lower cover plate are equal, the thicknesses of the transverse plate and the longitudinal plate are equal, and the thicknesses of the upper cover plate and the lower cover plate are greater than the thicknesses of the transverse plate and the longitudinal plate.
(III) advantageous effects
The utility model provides a building engineering is with hollow superstructure of post supporting assembly box concrete of striding more possesses following beneficial effect:
(1) this building engineering is with many strides post supporting assembly box concrete hollow superstructure through the cooperation setting between upper cover plate, lower apron, diaphragm and the longitudinal slab, has constituted netted skeleton, provides the supporting role for hollow superstructure, through setting up the angle bar, has played the supporting role, prevents that upper cover plate, diaphragm and longitudinal slab atress from warping, through setting up the assembly box, has reached the purpose of hollow pouring, has practiced thrift the material.
(2) This building engineering is with hollow superstructure of multi-span post supporting assembly box concrete, through setting up the support column, form the bearing structure of multi-span post type, increased the intensity of hollow superstructure, through setting up fixed head, rotating member and pivot, can unpack the assembly box apart, made things convenient for the transportation, through setting up fixing base and fixed lid, the support column of easy to assemble, through such simple design method, increased the bulk strength of hollow superstructure on the one hand, on the other hand has made things convenient for installation and construction, solved the current relatively poor and inconvenient problem of construction of hollow superstructure intensity.
Drawings
FIG. 1 is a front view of the hollow floor structure of the present invention;
FIG. 2 is a top view of the hollow floor structure of the present invention;
FIG. 3 is a schematic sectional view of the structure of the assembly box of the present invention;
FIG. 4 is an expanded view of the bottom and side panel structure of the present invention;
fig. 5 is a schematic connection diagram of the combination head and the connecting rod structure of the present invention.
In the figure: the hollow floor system comprises a hollow floor 1, an upper cover plate 2, a lower cover plate 3, a transverse plate 4, a longitudinal plate 5, angle iron 6, a supporting seat 7, an assembly box 8, a combined head 9, a connecting rod 10, a bottom plate 11, a side plate 12, a fixing head 13, a rotating piece 14, a rotating shaft 15, a fixing cover 16, a fixing seat 17, an annular groove 18, a supporting column 19, a clamping groove 20, a groove 21, a convex block 22, a through hole 23 and concrete 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present invention provides a technical solution: a multi-span column supporting assembly box concrete hollow floor for construction engineering comprises a hollow floor 1, wherein the hollow floor 1 is composed of an upper cover plate 2, a lower cover plate 3, a transverse plate 4, a longitudinal plate 5, an assembly box 8 and concrete 24, the upper cover plate 2 is positioned above the lower cover plate 3, the transverse plate 4 and the longitudinal plate 5 are fixedly connected in a crossed manner, two ends of the longitudinal plate 5 are fixedly connected with the transverse plate 4, the bottom ends of the transverse plate 4 and the longitudinal plate 5 are fixedly connected with the lower cover plate 3, the top ends of the transverse plate 4 and the longitudinal plate 5 are fixedly connected with the upper cover plate 2, a reticular framework is formed by matching the upper cover plate 2, the lower cover plate 3, the transverse plate 4 and the longitudinal plate 5, a supporting effect is provided for the hollow floor 1, the assembly box 8 is arranged at the upper end of the lower cover plate 3, the hollow pouring purpose is achieved by arranging the assembly box 8, materials are saved, and combination heads 9 are fixedly connected with two adjacent sides of the assembly, the combined head 9 is movably connected with a connecting rod 10, and the circumferential direction of the assembly box 8 is filled with concrete 24;
the assembly box 8 is composed of a bottom plate 11, a side plate 12 and a fixed cover 16, both ends of the bottom plate 11 are fixedly connected with a rotating part 14, both sides of one end of the side plate 12 are fixedly connected with a fixed head 13, the fixed head 13 is movably connected with the rotating part 14 through a rotating shaft 15, the assembly box 8 can be disassembled by arranging the fixed head 13, the rotating part 14 and the rotating shaft 15, thereby facilitating transportation, the middle part of the side plate 12 is provided with a through hole 23, the other end of the side plate 12 is provided with a groove 21, both ends of the fixed cover 16 are fixedly connected with a convex block 22, the convex block 22 is connected with the groove 21 in a fit manner, both inner sides of the bottom plate 11 and the fixed cover 16 are fixedly connected with a fixed seat 17, the support column 19 is conveniently installed by arranging the fixed seat 17 and the fixed cover 16, the middle part of the fixed seat 17 is provided with an, increased hollow superstructure 1's intensity, the fixed surface of apron 3 is connected with supporting seat 7 down, assembly box 8 and supporting seat 7 fixed connection, and supporting seat 7 is triangle-shaped, and supporting seat 7 has four, and four supporting seats 7 all are located the four corners department of assembly box 8, through setting up supporting seat 7, have played the fixed action to assembly box 8, prevent that 24 not hard up of concrete from leading to assembly box 8 to take place the displacement, have played the reinforcing effect to whole hollow superstructure 1, have guaranteed hollow superstructure 1's quality.
As an optional technical solution of the utility model: the transverse plate 4 and the longitudinal plate 5 form a net structure, and the transverse plate 4 and the longitudinal plate 5 are fixedly connected through welding.
As an optional technical solution of the utility model: the assembly boxes 8 have multiple groups, each group has four, the four assembly boxes 8 are distributed in an annular array, the combined heads 9 on every two assembly boxes 8 correspond to each other, the four assembly boxes 8 are fixedly connected through the connecting rods 10, and through the arrangement, construction is facilitated, time and labor are saved, and the strength of the hollow floor 1 is increased.
As an optional technical solution of the utility model: fixing base 17 is trapezoidal, through setting up the trapezium structure, has increased the area of contact of fixing base 17 with bottom plate 11, has played the supporting role, and fixing base 17 has a plurality ofly, and a plurality of fixing bases 17 are the rectangular array and distribute, and ring channel 18 is connected with the laminating of support column 19.
As an optional technical solution of the utility model: the fixed cover 16 is U-shaped, and draw-in groove 20 has been seted up to the upper end of bottom plate 11, and draw-in groove 20 has two, and two draw-in grooves 20 are corresponding with two sides of fixed cover 16 respectively, and the equal fixedly connected with fixture block in both sides of fixed cover 16, fixture block and draw-in groove 20 laminating are connected, and fixed cover 16 is connected with the bottom plate 11 laminating.
As an optional technical solution of the utility model: the connecting rods 10 are movably connected with the combined heads 9 through pin shafts, at least three combined heads 9 are provided, and the combined heads 9 are arranged at equal intervals.
As an optional technical solution of the utility model: the angle iron 6 is welded at the joint of the transverse plate 4 and the longitudinal plate 5, the angle iron 6 is triangular, and the angle iron 6 plays a role in supporting and prevents the upper cover plate 2, the transverse plate 4 and the longitudinal plate 5 from deforming under stress.
As an optional technical solution of the utility model: the through holes 23 are multiple, the through holes 23 are distributed in a rectangular array, and the groove 21 and the lug 22 are fixedly connected through bolts.
As an optional technical solution of the utility model: the fixed cover 16 is attached to the upper cover plate 2, the limiting members are disposed on two sides of the fixed cover 16, the limiting members are fixedly connected to the upper cover plate 2, and the fixed cover 16 is attached to the limiting members.
As an optional technical solution of the utility model: upper cover plate 2, lower cover plate 3, diaphragm 4 and vertical plate 5 are hollow core slabs, and bottom plate 11 and curb plate 12 are solid slab, and upper cover plate 2 and lower cover plate 3's thickness equals, and diaphragm 4 and vertical plate 5's thickness equals, and upper cover plate 2 and lower cover plate 3's thickness is greater than diaphragm 4 and vertical plate 5's thickness, through setting up like this, has both practiced thrift the resource, has reduced the cost, has increased hollow superstructure 1's intensity again.
To sum up, the multi-span column supporting assembly box concrete hollow floor system for the building engineering is characterized in that during construction, the assembly boxes 8 are firstly assembled, the support columns 19 are firstly inserted into the fixing seats 17 at the upper ends of the bottom plates 11, then the lugs 22 at the two sides of the fixing covers 16 are inserted into the grooves 21 at the upper ends of the side plates 12 and are fixed by bolts, then the four assembly boxes 8 are connected in series by the connecting rods 10, the assembly boxes 8 after being connected in series are placed in gaps formed by the transverse plates 4 and the longitudinal plates 5, the assembly boxes 8 are fixed at the upper ends of the supporting seats 7, concrete 24 is poured, wherein the assembly boxes 8 are provided with a plurality of groups, four assembly boxes 8 are distributed in an annular array, the combination heads 9 on every two assembly boxes 8 correspond to each other, the four assembly boxes 8 are fixedly connected by the connecting rods 10, and through the arrangement, the construction is convenient, time-saving and labor-saving, and the strength of the, fixing base 17 is trapezoidal, through setting up the trapezium structure, the area of contact of fixing base 17 with bottom plate 11 has been increased, the supporting role has been played, fixing base 17 has a plurality ofly, a plurality of fixing bases 17 are the rectangle array and distribute, ring channel 18 is connected with the laminating of support column 19, the welding of diaphragm 4 and longitudinal plate 5's junction has angle bar 6, angle bar 6 is triangle-shaped, through setting up angle bar 6, the supporting role has been played, prevent upper cover plate 2, diaphragm 4 and longitudinal plate 5 atress warp, through such simple design method, on the one hand, the bulk strength of hollow superstructure 1 has been increased, on the other hand has made things convenient for installation and construction, the relatively poor and inconvenient problem of construction of current hollow superstructure intensity has been solved.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a hollow superstructure of post supporting assembly box concrete is striden to building engineering with more, includes hollow superstructure (1), its characterized in that: the hollow floor (1) consists of an upper cover plate (2), a lower cover plate (3), a transverse plate (4), a longitudinal plate (5), an assembly box (8) and concrete (24), the upper cover plate (2) is positioned above the lower cover plate (3), the transverse plate (4) and the longitudinal plate (5) are fixedly connected in a crossing way, both ends of the longitudinal plate (5) are fixedly connected with the transverse plate (4), the bottom ends of the transverse plate (4) and the longitudinal plate (5) are fixedly connected with the lower cover plate (3), the top ends of the transverse plate (4) and the longitudinal plate (5) are fixedly connected with the upper cover plate (2), an assembly box (8) is arranged at the upper end of the lower cover plate (3), the adjacent two sides of the assembly box (8) are fixedly connected with a combined head (9), the combined head (9) is movably connected with a connecting rod (10), and concrete (24) is filled in the circumferential direction of the assembling box (8);
the assembly box (8) comprises a bottom plate (11), a side plate (12) and a fixed cover (16), wherein rotating parts (14) are fixedly connected to the two ends of the bottom plate (11), fixing heads (13) are fixedly connected to the two sides of one end of the side plate (12), the fixing heads (13) are movably connected with the rotating parts (14) through rotating shafts (15), through holes (23) are formed in the middle of the side plate (12), grooves (21) are formed in the other end of the side plate (12), convex blocks (22) are fixedly connected to the two ends of the fixed cover (16), the convex blocks (22) are attached to the grooves (21), fixing seats (17) are fixedly connected to the inner sides of the bottom plate (11) and the fixed cover (16), annular grooves (18) are formed in the middle of the fixing seats (17), and supporting columns (19) are arranged in the annular grooves (18).
2. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the transverse plate (4) and the longitudinal plate (5) form a net structure, and the transverse plate (4) and the longitudinal plate (5) are fixedly connected through welding.
3. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the assembling boxes (8) are provided with a plurality of groups, each group is provided with four assembling boxes (8), the assembling boxes (8) are distributed in an annular array mode, the combined heads (9) on every two assembling boxes (8) correspond to each other, and the four assembling boxes (8) are fixedly connected through connecting rods (10).
4. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: fixing base (17) are trapezoidal, fixing base (17) have a plurality ofly, and a plurality of fixing bases (17) are the rectangular array and distribute, ring channel (18) are connected with support column (19) laminating.
5. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the fixed cover (16) is U-shaped, the draw-in groove (20) have been seted up to the upper end of bottom plate (11), draw-in groove (20) have two, and two draw-in grooves (20) are corresponding with two sides of fixed cover (16) respectively, the equal fixedly connected with fixture block in both sides of fixed cover (16), the fixture block is connected with draw-in groove (20) laminating, fixed cover (16) are connected with bottom plate (11) laminating.
6. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the connecting rods (10) are movably connected with the combined heads (9) through pin shafts, the number of the combined heads (9) is at least three, and the combined heads (9) are arranged at equal intervals.
7. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the angle iron (6) is welded at the joint of the transverse plate (4) and the longitudinal plate (5), and the angle iron (6) is triangular.
8. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the through holes (23) are distributed in a rectangular array, and the grooves (21) are fixedly connected with the bumps (22) through bolts.
9. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: the fixing cover (16) is attached to the upper cover plate (2), the limiting parts are arranged on two sides of the fixing cover (16), the limiting parts are fixedly connected with the upper cover plate (2), and the fixing cover (16) is attached to the limiting parts.
10. The multi-span column support assembly box concrete hollow floor system for the building engineering according to claim 1, which is characterized in that: upper cover plate (2), lower cover plate (3), diaphragm (4) and longitudinal plate (5) are hollow core plate, bottom plate (11) and curb plate (12) are solid core plate, the thickness of upper cover plate (2) and lower cover plate (3) equals, the thickness of diaphragm (4) and longitudinal plate (5) equals, the thickness of upper cover plate (2) and lower cover plate (3) is greater than the thickness of diaphragm (4) and longitudinal plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955636.XU CN210562907U (en) | 2019-06-24 | 2019-06-24 | Multi-span column supporting assembly box concrete hollow floor for constructional engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955636.XU CN210562907U (en) | 2019-06-24 | 2019-06-24 | Multi-span column supporting assembly box concrete hollow floor for constructional engineering |
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| CN210562907U true CN210562907U (en) | 2020-05-19 |
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| CN201920955636.XU Expired - Fee Related CN210562907U (en) | 2019-06-24 | 2019-06-24 | Multi-span column supporting assembly box concrete hollow floor for constructional engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502961A (en) * | 2021-07-08 | 2021-10-15 | 燕小利 | Interior hollow superstructure steel mesh mould for building of establishing heat preservation sound-proof construction of high strength |
-
2019
- 2019-06-24 CN CN201920955636.XU patent/CN210562907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502961A (en) * | 2021-07-08 | 2021-10-15 | 燕小利 | Interior hollow superstructure steel mesh mould for building of establishing heat preservation sound-proof construction of high strength |
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Granted publication date: 20200519 |