CN214461122U - A regularization steel ladder for construction of assembled floor - Google Patents

A regularization steel ladder for construction of assembled floor Download PDF

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Publication number
CN214461122U
CN214461122U CN202023134689.7U CN202023134689U CN214461122U CN 214461122 U CN214461122 U CN 214461122U CN 202023134689 U CN202023134689 U CN 202023134689U CN 214461122 U CN214461122 U CN 214461122U
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steel
stair
channel steel
longitudinal channel
square tube
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何明辉
王润国
蒲俊
聂煜林
李华杰
张子恒
李明
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Abstract

The utility model discloses a regularization steel ladder for construction of assembled floor, include: the two first square tube columns which are erected, the two second square tube columns which are erected and the staircase are arranged, the two first square tube columns are respectively located at two left corners in the staircase, and the two second square tube columns are respectively located at two right corners in the staircase. The utility model has the advantages that the main bearing part is made of channel steel and square tube, the whole body is made of steel structure, the structure is firm and stable, and the working staff is not easy to shake when passing up and down, thereby ensuring the safety of the working staff; the utility model discloses adopt the interim stair that steel pipe and fastener set up relatively, the spare part that needs installation or dismantlement is less, is whole parts like steel landing, steel stair etc. of this regularization steel ladder kind, and the installation procedure is few and simple, and the installation rate is very fast to the efficiency of construction has been improved greatly.

Description

A regularization steel ladder for construction of assembled floor
Technical Field
The utility model belongs to the technical field of the construction of assembled floor, especially, relate to a regularization steel ladder for construction of assembled floor.
Background
Buildings assembled from prefabricated elements at the site are called fabricated buildings. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part. In the floor construction process of the fabricated structure, because the prefabricated staircase construction process is different from the traditional staircase construction process, the installation of the prefabricated staircase needs to wait for the hoisting installation construction of the prefabricated staircase after the construction of each floor landing slab and the ladder beam is completed and the strength of the concrete member reaches 100%.
For this in each floor face work progress, for satisfying construction operation personnel's the upper and lower requirement of passing, make things convenient for the reinforcement and the template of the regional wall body of core section of thick bamboo to erect work, the tradition way is: a temporary stair is set up by adopting a steel pipe and a fastener. But adopt steel pipe and fastener to set up temporary stair structural strength low, the up-and-down current of staff takes place to rock easily to take place dangerously, and build or dismantle the process loaded down with trivial details, speed is slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a regularization steel ladder for assembled floor construction to solve the technical problem that the interim stair structural strength that adopts steel pipe and fastener to set up is low.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a shaped steel ladder for assembly type floor construction comprises two upright first square through upright posts, two upright second square through upright posts and a staircase, wherein the two upright first square through upright posts are respectively positioned at two left corners in the staircase, the two upright second square through upright posts are respectively positioned at two right corners in the staircase, steel hanging rings are respectively arranged at the upper ends of the first square through upright posts and the second square through upright posts, double-layer plate connecting pieces are respectively arranged at the positions, close to a stair rest platform, of floors and at the same height position of the stair rest platform in the middle between the two adjacent floors, on the first square through upright posts and the second square through upright posts, lap joint connecting pieces are respectively arranged at the positions, close to the stair rest platform, of the first square through upright posts and the second square through upright posts, a longitudinal channel steel beam is arranged between the two double-layer plate connecting pieces at the front and back of the same height, and the middle part of the upper surface of the longitudinal channel steel beam is provided with an end turning plate component, the front end and the rear end between two longitudinal channel steel beams with the same height are symmetrically connected with steel stair platforms, and steel stairs are connected between the front steel stair platform and the rear steel stair platform at the middle part between the upper longitudinal channel steel beam and the lower longitudinal channel steel beam of the longitudinal channel steel beam with the same height on the right side and the upper longitudinal channel steel beam and between the rear steel stair beam and the upper longitudinal channel steel beam and the lower longitudinal channel steel beam of the longitudinal channel steel beam with the same height on the left side.
One side that steel stair were kept away from to steel landing upper surface is provided with side rollover unit spare, one side that steel landing upper surface is close to steel stair is provided with first guardrail, and first guardrail lower part is provided with the fender foot board, both sides all are provided with the second guardrail around the steel stair upper surface.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the lap joint connecting piece comprises two parallel first connecting auxiliary plates which are parallel, two rectangular bottom plates are fixedly connected between the bottoms of one ends of the first connecting auxiliary plates, the inner side faces of the other ends of the first connecting auxiliary plates are connected with the auxiliary plates through bolt fixedly connected with second, the rectangular bottom plates are lapped on the upper surface of the stair rest platform, and the second connecting auxiliary plates are welded on one sides, close to the stair rest platform, of the first square tube stand columns and the second square tube stand columns.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the end part of the longitudinal channel steel beam is inserted into a gap in the middle of the double-layer plate connecting piece, the end part of the longitudinal channel steel beam is fixedly connected with the double-layer plate connecting piece through a bolt, the longitudinal channel steel beam is located on the left side of the first square tube stand column, and the longitudinal channel steel beam is located on the right side of the second square tube stand column.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the end turning plate assembly comprises a trapezoid turning plate, a first hinge is arranged on one side of the trapezoid turning plate, which protrudes out, and the trapezoid turning plate is rotatably connected with the longitudinal channel steel beam through the first hinge.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the steel stair platform includes two parallel first channel-section steel girders that parallel, two middle part welding between the first channel-section steel girder has the angle steel secondary beam that a set of equidistance was arranged, two the platform steel sheet has been laid to the upper surface of first channel-section steel girder and a set of angle steel secondary beam, the reserve tank has all been seted up to the corner that both ends are close to first square tube stand, second square tube stand about the platform steel sheet, the equal welding in both ends has connecting plate about first channel-section steel girder, and connecting plate passes through the waist fixed connection of bolt and vertical channel-section steel roof beam.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the steel stair comprises two parallel second channel steel girders which are parallel to each other, two steel steps are fixedly connected between the second channel steel girders and two L-shaped steel connecting pieces are welded at the left end and the right end of each second channel steel girder and fixedly connected with the longitudinal channel steel girders through bolts.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the side turning plate assembly comprises a rectangular main turning plate, a long edge of the rectangular main turning plate is provided with a second hinge, the rectangular main turning plate is rotatably connected with the steel stair platform through the second hinge, two short edges of the rectangular main turning plate are rotatably connected with a rectangular auxiliary turning plate, a rotating connection assembly is installed between the rectangular main turning plate and the rectangular auxiliary turning plate, and the rotating connection assembly is manufactured by angle steel and a rotating shaft.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: first guardrail adopts the angle steel welding to form, the lower extreme of pole setting passes through the first angle steel connecting piece of bolt fixedly connected with in the first guardrail, and first angle steel connecting piece lower extreme and steel landing welding.
The utility model adopts the above a regularization steel ladder for assembled floor construction, it is further: the second guardrail adopts the angle steel welding to form, the lower extreme of pole setting passes through bolt fixedly connected with second angle steel connecting piece in the second guardrail, and second angle steel connecting piece lower extreme and steel stair welding.
The utility model has the advantages that:
1. the utility model has the advantages that the main bearing part is made of channel steel and square tube, the whole body is made of steel structure, the structure is firm and stable, and the working staff is not easy to shake when passing up and down, thereby ensuring the safety of the working staff; the utility model discloses adopt the interim stair that steel pipe and fastener set up relatively, the spare part that needs installation or dismantlement is less, is whole parts like steel landing, steel stair etc. of this regularization steel ladder kind, and the installation procedure is few and simple, and the installation rate is very fast to the efficiency of construction has been improved greatly.
2. The utility model discloses among each floor work progress, install in prefabricated staircase treat the stairwell in the installation floor, treat that each floor landing slab and ladder roof beam construction accomplish the back and when concrete member intensity reaches 100%, can hang this regularization steel ladder wholly, and only need dismantle the handling that can realize this regularization steel ladder with the overlap joint connecting piece that stair half space is connected before hanging to open, treat prefabricated staircase installation completion back, with the whole handling of treating construction floor department on upper portion of this regularization steel ladder again, and install the overlap joint connecting piece again, be under construction according to this order successive layer, until accomplishing standard layer construction.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:
FIG. 1 is a schematic front view of a shaped steel ladder for assembly floor construction;
FIG. 2 is a schematic structural view of a front view of a shaped steel ladder for assembly floor construction;
fig. 3 is a schematic top view of a longitudinal channel steel beam according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a lap joint connector according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a longitudinal channel steel beam according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view a according to an embodiment of the present invention;
fig. 7 is a schematic top view of an end flap assembly according to an embodiment of the present invention;
FIG. 8 is a top view of an embodiment of a steel landing and side panel assembly;
fig. 9 is a front view of a first guardrail according to an embodiment of the present invention;
fig. 10 is a schematic top view of a steel stair according to an embodiment of the present invention;
fig. 11 is a front view of a second guardrail according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first square through upright post; 2. a second square tube column; 3. a staircase; 4. a double-layer plate connecting piece; 5. a lap joint connector; 501. a rectangular bottom plate; 502. a first connection aid plate; 503. a second connection auxiliary plate; 6. a longitudinal channel beam; 7. an end flap assembly; 701. a trapezoidal turning plate; 702. a first hinge; 8. a steel landing; 801. a first channel steel main beam; 802. angle steel secondary beam; 803. a platform steel plate; 804. reserving a groove; 805. connecting steel plates; 9. a side rollover assembly; 901. a rectangular main turning plate; 902. a second hinge; 903. a rectangular auxiliary turning plate; 904. rotating the connecting assembly; 10. a first guardrail; 11. a first angle steel connecting piece; 12. a foot blocking plate; 13. a steel stair; 1301. a second channel steel main beam; 1302. a step made of steel; 1303. the L-shaped steel is used for manufacturing a connecting piece; 14. a second guard rail; 15. a second angle steel connector; 16. and (4) a steel hanging ring.
Detailed Description
Hereinafter, embodiments of the finalized steel ladder for fabricated floor construction of the present invention will be described with reference to the accompanying drawings.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-11 show the regularization steel ladder for assembly floor construction of an embodiment of the present invention, which includes: the building comprises two vertical first square through columns 1, two vertical second square through columns 2 and a staircase 3, wherein the two first square through columns 1 are respectively positioned at two left corners in the staircase 3, the two second square through columns 2 are respectively positioned at two right corners in the staircase 3, steel hanging rings 16 are respectively arranged at the upper ends of the first square through columns 1 and the second square through columns 2, double-layer plate connecting pieces 4 are respectively arranged at the positions, which are at the same height with a stair rest platform of a floor and a stair rest platform at the middle part between two adjacent floors, on the first square through columns 1 and the second square through columns 2, lap joint connecting pieces 5 are respectively arranged at the positions, which are close to the stair rest platform, on the first square through columns 1 and the second square through columns 2, each lap joint connecting piece 5 comprises two first connecting auxiliary plates 502 which are parallel, and a rectangular bottom plate 501 is fixedly connected between the bottoms of one ends of the two first connecting auxiliary plates 502, the inner side surface of the other end of the first connecting auxiliary plate 502 is fixedly connected with a second connecting auxiliary plate 503 through bolts, the rectangular bottom plate 501 is lapped on the upper surface of the stair rest platform, the second connecting auxiliary plate 503 is welded on one side, close to the stair rest platform, of the first square-through upright post 1 and the second square-through upright post 2, a longitudinal channel steel beam 6 is arranged between the front and rear double-layer plate connecting pieces 4 at the same height, specifically, the end part of the longitudinal channel steel beam 6 is inserted into a gap in the middle of the double-layer plate connecting pieces 4, the end part of the longitudinal channel steel beam 6 is fixedly connected with the double-layer plate connecting pieces 4 through bolts, the longitudinal channel steel beam 6 on the left side is positioned on the left side of the first square-through upright post 1, the longitudinal channel steel beam 6 on the right side of the second square-through upright post 2, an end turning plate assembly 7 is arranged in the middle of the upper surface of the longitudinal channel steel beam 6, and the end turning plate assembly 7 comprises a trapezoidal turning plate 701, a first hinge 702 is arranged on one protruding side of the trapezoidal turning plate 701, the trapezoidal turning plate 701 is rotatably connected with the longitudinal channel steel beams 6 through the first hinge 702, steel stair platforms 8 are symmetrically connected with the front end and the rear end between two longitudinal channel steel beams 6 at the same height, each steel stair platform 8 comprises two first channel steel main beams 801 which are parallel and parallel, a group of angle steel secondary beams 802 which are arranged at equal intervals are welded in the middle between the two first channel steel main beams 801, a platform steel plate 803 is laid on the upper surfaces of the two first channel steel main beams 801 and the group of angle steel secondary beams 802, reserved grooves 804 are respectively formed in the corners of the left end and the right end of the platform steel plate 803, which are close to the first square upright column 1 and the second square upright column 2, connecting steel plates 805 are welded at the left end and the right end of each first channel steel main beam 801, and the connecting steel plates 805 are fixedly connected with the waist of the longitudinal channel steel beams 6 through bolts, the right side between the upper and lower double-phase adjacent longitudinal channel steel beam 6 of longitudinal channel steel beam 6 with the same height in left side, the middle part all is connected with steel stair 13 between two steel stair platforms 8 in the front and back between the upper and lower double-phase adjacent longitudinal channel steel beam 6, steel stair 13 includes two parallel second channel steel girder 1301 side by side, two fixedly connected with steel step 1302 between the second channel steel girder 1301, and two L shaped steel system connecting piece 1303 has all been welded at both ends about second channel steel girder 1301, L shaped steel system connecting piece 1303 passes through bolt and longitudinal channel steel beam 6 fixed connection.
The side, far away from the steel staircase 13, of the upper surface of the steel staircase platform 8 is provided with a side turning plate assembly 9, the side turning plate assembly 9 comprises a rectangular main turning plate 901, one long side of the rectangular main turning plate 901 is provided with a second hinge 902, the rectangular main turning plate 901 is rotatably connected with the steel staircase platform 8 through the second hinge 902, two short sides of the rectangular main turning plate 901 are rotatably connected with a rectangular auxiliary turning plate 903, a rotating connecting assembly 904 is arranged between the rectangular main turning plate 901 and the rectangular auxiliary turning plate 903, the rotating connecting assembly 904 is made of angle steel and a rotating shaft, one side, close to the steel staircase 13, of the upper surface of the steel staircase platform 8 is provided with a first guardrail 10, the lower part of the first guardrail 10 is provided with a foot blocking plate 12, specifically, the first guardrail 10 is formed by welding angle steel, and the lower end of a vertical rod in the first guardrail 10 is fixedly connected with a first angle steel connecting piece 11 through a bolt, and 11 lower extremes of first angle steel connecting piece and the welding of steel stair platform 8, both sides all are provided with second guardrail 14 around the steel stair 13 upper surface, and are specific, second guardrail 14 adopts the angle steel welding to form, the lower extreme of pole setting passes through bolt fixedly connected with second angle steel connecting piece 15 among second guardrail 14, and the welding of 15 lower extremes of second angle steel connecting piece and steel stair 13.
The working principle is as follows:
the utility model discloses among each floor work progress, install in prefabricated staircase treats in the stairwell 3 of installation floor, treat after each floor landing slab and the construction of ladder roof beam are accomplished and when concrete member intensity reaches 100%, can hang open the regularization steel ladder wholly, and only need to dismantle the overlap joint connecting piece 5 that this regularization steel ladder and stair rest platform are connected before hanging open and can realize the handling of this regularization steel ladder, after the prefabricated staircase is installed and is accomplished, again with the whole handling of this regularization steel ladder in the upper portion treat the construction floor, and install overlap joint connecting piece 5 again, construct layer by layer according to this order, until accomplishing the construction of standard layer; the utility model has the advantages that the main bearing part is made of channel steel and square tube, the whole body is made of steel structure, the structure is firm and stable, and the working staff is not easy to shake when passing up and down, thereby ensuring the safety of the working staff; the utility model discloses adopt the interim stair that steel pipe and fastener set up relatively, the spare part that needs installation or dismantlement is less, is whole parts like steel stair platform 8, steel stair 13 of this regularization steel ladder kind, and the installation procedure is few and simple, and the installation rate is very fast to the efficiency of construction has been improved greatly.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims (9)

1. The utility model provides a regularization steel ladder for assembled floor construction which characterized in that includes: the two upright first square tube columns (1), the two upright second square tube columns (2) and the staircase (3), wherein the two upright first square tube columns (1) are respectively positioned at two left corners in the staircase (3), the two upright second square tube columns (2) are respectively positioned at two right corners in the staircase (3), steel rings (16) are respectively arranged at the upper ends of the first square tube columns (1) and the second square tube columns (2), double-layer plate connecting pieces (4) are respectively arranged at the positions, at the same height, of a stair rest platform of a floor and a stair rest platform in the middle between two adjacent floors, of the first square tube columns (1) and the second square tube columns (2), lap joint connecting pieces (5) are respectively arranged at the positions, close to the stair rest platform, of the first square tube columns (1) and the second square tube columns (2), and longitudinal channel steel beams (6) are arranged between the two double-layer plate connecting pieces (4) at the front and the back of the same height, an end turning plate assembly (7) is arranged in the middle of the upper surface of each longitudinal channel steel beam (6), steel stair platforms (8) are symmetrically connected to the front end and the rear end between two longitudinal channel steel beams (6) with the same height, and steel stairs (13) are connected between the front steel stair platform (8) and the rear steel stair platform in the middle between the upper longitudinal channel steel beam (6) and the lower longitudinal channel steel beam (6) of the longitudinal channel steel beam (6) with the same height on the right side and the left side;
one side that steel stair (13) were kept away from to steel landing (8) upper surface is provided with side rollover unit subassembly (9), one side that steel landing (8) upper surface is close to steel stair (13) is provided with first guardrail (10), and first guardrail (10) lower part is provided with fender foot board (12), both sides all are provided with second guardrail (14) around steel stair (13) upper surface.
2. The regularized steel ladder for assembly floor construction according to claim 1, characterized in that the lap joint connector (5) comprises two parallel first connection auxiliary plates (502), a rectangular bottom plate (501) is fixedly connected between the bottoms of one ends of the two first connection auxiliary plates (502), a second connection auxiliary plate (503) is fixedly connected to the inner side surface of the other end of the first connection auxiliary plate (502) through bolts, the rectangular bottom plate (501) is lapped on the upper surface of the stair rest platform, and the second connection auxiliary plate (503) is welded on one side of the first square through column (1) and the second square through column (2) close to the stair rest platform.
3. The finalized steel ladder for fabricated floor construction according to claim 1, wherein the end of the longitudinal channel steel beam (6) is inserted into a gap in the middle of the double-layer plate connecting member (4), the end of the longitudinal channel steel beam (6) is fixedly connected with the double-layer plate connecting member (4) through a bolt, the longitudinal channel steel beam (6) on the left side is located on the left side of the first square through column (1), and the longitudinal channel steel beam (6) on the right side is located on the right side of the second square through column (2).
4. The modular steel ladder for assembly floor construction according to claim 1, wherein the end flap assembly (7) comprises a trapezoidal flap (701), a first hinge (702) is arranged on one side of the trapezoidal flap (701) which protrudes, and the trapezoidal flap (701) is rotatably connected with the longitudinal channel steel beam (6) through the first hinge (702).
5. The finalized steel ladder for assembly type floor construction according to claim 1, wherein the steel stair platform (8) comprises two parallel first channel steel main beams (801), a set of equidistant arranged angle steel secondary beams (802) are welded in the middle between the two first channel steel main beams (801), a platform steel plate (803) is laid on the upper surfaces of the two first channel steel main beams (801) and the set of angle steel secondary beams (802), reserved grooves (804) are formed in corners of the left end and the right end of the platform steel plate (803) close to the first square-through upright column (1) and the second square-through upright column (2), connecting steel plates (805) are welded at the left end and the right end of the first channel steel main beam (801), and the connecting steel plates (805) are fixedly connected with the waist of the longitudinal channel steel beam (6) through bolts.
6. The finalized steel ladder for fabricated floor construction according to claim 1, wherein the steel ladder (13) comprises two parallel second channel steel main beams (1301), a steel step (1302) is fixedly connected between the two second channel steel main beams (1301), L-shaped steel connectors (1303) are welded to the left end and the right end of each of the two second channel steel main beams (1301), and the L-shaped steel connectors (1303) are fixedly connected with the longitudinal channel steel beams (6) through bolts.
7. The regularized steel ladder for assembly type floor construction according to claim 1, wherein the side turning plate assembly (9) comprises a rectangular main turning plate (901), one long side of the rectangular main turning plate (901) is provided with a second hinge (902), the rectangular main turning plate (901) is rotatably connected with a steel stair platform (8) through the second hinge (902), two short sides of the rectangular main turning plate (901) are rotatably connected with a rectangular auxiliary turning plate (903), a rotating connection assembly (904) is installed between the rectangular main turning plate (901) and the rectangular auxiliary turning plate (903), and the rotating connection assembly (904) is made of angle steel and a rotating shaft.
8. The regularized steel ladder for assembly type floor construction according to claim 1, characterized in that the first guardrail (10) is formed by angle steel welding, the lower end of the vertical rod in the first guardrail (10) is fixedly connected with a first angle steel connecting piece (11) through a bolt, and the lower end of the first angle steel connecting piece (11) is welded with the steel stair platform (8).
9. The regularized steel ladder for assembly type floor construction according to claim 1, characterized in that the second guardrail (14) is welded by angle steel, the lower end of the vertical rod in the second guardrail (14) is fixedly connected with a second angle steel connecting piece (15) by bolts, and the lower end of the second angle steel connecting piece (15) is welded with the steel staircase (13).
CN202023134689.7U 2020-12-23 2020-12-23 A regularization steel ladder for construction of assembled floor Active CN214461122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023134689.7U CN214461122U (en) 2020-12-23 2020-12-23 A regularization steel ladder for construction of assembled floor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023134689.7U CN214461122U (en) 2020-12-23 2020-12-23 A regularization steel ladder for construction of assembled floor

Publications (1)

Publication Number Publication Date
CN214461122U true CN214461122U (en) 2021-10-22

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CN202023134689.7U Active CN214461122U (en) 2020-12-23 2020-12-23 A regularization steel ladder for construction of assembled floor

Country Status (1)

Country Link
CN (1) CN214461122U (en)

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