CN215254455U - Fireproof hanging basket for high-altitude welding of steel structure - Google Patents
Fireproof hanging basket for high-altitude welding of steel structure Download PDFInfo
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- CN215254455U CN215254455U CN202120233295.2U CN202120233295U CN215254455U CN 215254455 U CN215254455 U CN 215254455U CN 202120233295 U CN202120233295 U CN 202120233295U CN 215254455 U CN215254455 U CN 215254455U
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Abstract
The utility model discloses a be used for steel construction high altitude welded fire prevention hanging flower basket, include the girder steel of the I shape of constituteing by last pterygoid lamina and lower pterygoid lamina, girder steel both sides limit all is equipped with hanging flower basket group frame, swing joint has last nose girder between two hanging flower basket group frames, go up nose girder slidable mounting plane on last pterygoid lamina, the inboard below of hanging flower basket group frame is equipped with the first bearing pulley of being connected with lower pterygoid lamina, the below of hanging flower basket group frame forms the plummer through the welded steel sheet, two adjacent one sides of plummer all have 90 curb plates that can overturn through hinge connection, the length sum of two curb plates is greater than or equal to the width of pterygoid lamina down. The utility model has the advantages that: the welding device has the characteristics of safety, reliability, good universality, convenience and quickness in movement, labor and time saving, welding fire prevention and the like; the defects of single function, poor safety, inconvenient turnover, low work efficiency and the like of the traditional process are overcome; the synchronous symmetrical welding of the steel members is realized, the welding deformation is reduced, and the process quality of the steel structure weld joint connection is improved.
Description
Technical Field
The utility model relates to a high altitude construction technical field particularly, relates to a be used for steel construction high altitude welded fire prevention hanging flower basket.
Background
The steel structure is more and more widely applied to the fabricated building due to the advantages of quick installation, low cost, good shock resistance, high construction precision and the like. In the design and construction of a steel structure, all components or parts are usually connected by welding, bolt connection, rivet connection and the like, particularly, the welding process is the most common between column and beam joints or between beams and beam joints, and except for a structure directly bearing dynamic load, the components or parts can be connected by welding seams in an ultralow temperature state. Therefore, the overhead welding operation in the installation process of the steel member relates to two technical measures, namely, a temporary operation platform needs to be provided for overhead welding personnel to ensure enough operation space and construction safety protection; secondly, welding spatter is prevented from splashing to endanger ground personnel and materials during high-altitude welding, and potential safety hazards are avoided.
The traditional overhead welding construction method generally fixes a ladder stand on a steel column or hangs a simple single hanging basket on a steel beam, and even directly adopts dangerous operation of a welder riding on the steel beam; for the fire-proof measures of high-altitude welding, the operation method is generally not standard due to the lack of an economical, practical, safe and effective special ignition device. The traditional construction method has different degrees of process defects and potential safety hazards, and is specifically represented as follows:
1. do benefit to when the cat ladder regard as operation platform, constructor is difficult to control the balance of health, and the operation space scope is little, operates the inflexibility, directly influences the welding effect to there is the potential safety hazard that the high altitude falls.
2. The safety of the hanging basket is relatively good, and the hanging basket has flexible movement performance due to frequent horizontal movement and turnover among beam spans. The traditional single-person hanging basket is formed by welding steel bars, the hanging basket is buckled and hung on the upper flange of a steel beam by a crane to be fixed when the hanging basket is used, the crane is required to be matched and shifted when a welding area is transferred, the moving and the turnover are inconvenient, and the working efficiency is low; meanwhile, in order to reduce welding deformation and enhance welding strength, the welding sequence of steel members generally adopts symmetrical welding, and the traditional hanging basket cannot meet the process requirement because of single operation at the beam side.
3. The overhead welding generally lacks special fire-insulating facilities, a baffle plate for receiving welding slag is not arranged according to requirements, welding spatters during welding, other inflammable materials are easily ignited, and the potential safety hazard is great particularly in windy areas or vertical cross operation.
Therefore, the traditional steel structure high-altitude welding method lacks effective technological measures for the working condition characteristics, and cannot meet the requirements of the construction and development of the current steel structure engineering.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a be used for steel construction high altitude welded fire prevention hanging flower basket, safe economy, simple and convenient nimble steel construction high altitude welding operation platform satisfy high altitude personnel weldment work and safe fire prevention needs, repeatedly usable's characteristic realizes improving work efficiency, reduce cost, accelerates the purpose of construction progress. The above-mentioned deficiencies of the prior art can be overcome.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows: the utility model provides a be used for welded fire prevention hanging flower basket in steel construction high altitude, includes the girder steel of the I shape of constituteing by last pterygoid lamina and lower pterygoid lamina, girder steel both sides limit all is equipped with hanging flower basket group frame, two swing joint has last nose girder between the hanging flower basket group frame, it installs to go up nose girder slidable go up the plane on the pterygoid lamina, the inboard below of hanging flower basket group frame be equipped with the first bearing pulley that the pterygoid lamina is connected down, the below of hanging flower basket group frame forms the plummer, two through the welded steel sheet adjacent one side of plummer all has 90 curb plates, two of overturning through hinge connection the length sum of curb plate is greater than or equal to the width of pterygoid lamina down, the middle part of going up the nose girder is equipped with rotatable stopper, the stopper is in the below of going up the pterygoid lamina.
Further, the hanging basket group frame is a right-angled trapezoid frame.
Furthermore, each oblique edge of the hanging basket group frame is welded with a hanging ring.
Further, go up the nose girder both sides and be equipped with the channel-section steel, two install two dabbers that are used for the support at least between the channel-section steel, be equipped with on the dabber go up the gliding second bearing pulley of aerofoil, the outside of channel-section steel be equipped with the angle steel that hanging flower basket group frame is connected.
Furthermore, the stopper is an L-shaped long screw, and the thread section of the long screw is connected to the upper guide beam.
Furthermore, asbestos fireproof cloth is installed on two sides of the side plate, and a steel bar hook is connected to the side plate.
Furthermore, the bottom welding of plummer has the decorative pattern steel sheet, just the other three side-mounting of plummer has asbestos fire prevention cloth.
Furthermore, the second bearing pulley is a V-shaped bearing pulley, the first bearing pulley is a U-shaped bearing pulley, and the first bearing pulley is connected with the edge of the lower wing plate.
The utility model has the advantages that: the welding machine has the functions of high-altitude operation, welding fire prevention, a storage platform, safety protection and the like, and has the characteristics of safety, reliability, good universality, convenience in movement, labor and time saving and the like; the ladder can replace the traditional operation ladder and the fixed single hanging basket, and solves the problems of single function, poor safety, inconvenient turnover, low work efficiency and the like of the traditional process; meanwhile, the construction requirements of high-altitude operation and safe fire prevention are met, synchronous symmetrical welding of steel members is realized, welding deformation is reduced, and the process quality of steel structure weld joint connection is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a fireproof hanging basket for overhead welding of a steel structure according to an embodiment of the invention;
fig. 2 is a perspective view of a fire-proof hanging basket for high-altitude welding of steel structures according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an upper guide beam according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a side plate according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a first bearing pulley according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second bearing pulley according to an embodiment of the present invention.
In the figure: 1. a steel beam; 1-1, an upper wing plate; 1-2, a lower wing plate; 2. a hanging basket group frame; 2-1, a first bearing pulley; 2-2, a hanging ring; 3. an upper guide beam; 3-1, a limiter; 3-2, channel steel; 3-3, a mandrel; 3-4, a second bearing pulley; 3-5, angle steel; 4. a bearing table; 4-1, side plates; 4-2, and a steel bar hook.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in figures 1-6, according to the embodiment of the present invention, a fireproof hanging basket for high altitude welding of steel structure comprises an I-shaped steel beam 1 composed of an upper wing plate 1-1 and a lower wing plate 1-2, wherein two sides of the steel beam 1 are both provided with hanging basket assembly frames 2, an upper guide beam 3 is movably connected between the two hanging basket assembly frames 2, the upper guide beam 3 is slidably mounted on the upper plane of the upper wing plate 1-1, a first bearing pulley 2-1 connected with the lower wing plate 1-2 is arranged below the inner side of the hanging basket assembly frame 2, a bearing platform 4 is formed below the hanging basket assembly frame 2 by welded steel plates, a side plate 4-1 capable of being turned for 90 degrees is connected to one side adjacent to each of the two bearing platforms 4 by hinges, the sum of the lengths of the two side plates 4-1 is greater than or equal to the width of the lower wing plate 1-2, the middle part of the upper guide beam 3 is provided with a rotatable limiter 3-1, and the limiter 3-1 is arranged below the upper wing plate 1-1.
In a specific embodiment of the present invention, the basket assembly frame 2 is a rectangular trapezoid frame.
In a specific embodiment of the present invention, each of the inclined edges of the basket assembly frame 2 is welded with a hanging ring 2-2.
In a specific embodiment of the present invention, two channel steels 3-2 are disposed on two sides of the upper guide beam 3, at least two mandrels 3-3 for supporting are mounted between the two channel steels 3-2, a second bearing pulley 3-4 sliding on the upper wing plate 1-1 is disposed on the mandrel 3-3, and an angle steel 3-5 connected to the hanging basket assembly 2 is disposed on the outer side of the channel steel 3-2.
In a specific embodiment of the present invention, the stopper 3-1 is an L-shaped long screw, and the thread section of the long screw is connected to the upper guide beam 3.
In a specific embodiment of the present invention, asbestos fire-proof cloth is installed on both sides of the side plate 4-1, and a steel bar hook 4-2 is connected to the side plate 4-1.
In a specific embodiment of the utility model, the bottom welding of plummer 4 has the decorative pattern steel sheet, just the other three side-mounting of plummer 4 has asbestos fire prevention cloth.
In an embodiment of the present invention, the second bearing pulley 3-4 is a V-shaped bearing pulley, the first bearing pulley 2-1 is a U-shaped bearing pulley, and the first bearing pulley 2-1 is connected to the edge of the lower wing plate 1-2.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
The utility model provides a be used for steel construction high altitude welded fire prevention hanging flower basket, the high altitude welding construction and the safety protection of mainly being applicable to steel construction engineering such as industrial factory building have high altitude construction, welding fire prevention, functions such as thing platform and safety protection concurrently, and its technology operation step is as follows: manufacturing a fireproof hanging basket, installing and correcting a steel beam, hoisting the fireproof hanging basket, welding component nodes, checking and accepting, shifting the fireproof hanging basket and transferring for later use.
The fireproof hanging basket is formed by combining two hanging basket assembly frames 2 on one side and an upper guide beam 3, and the specific size and the manufacturing method of each part are as follows:
four finished bearing pulleys, four second bearing pulleys 3-4 and four first bearing pulleys 2-1 are adopted, wherein the second bearing pulleys 3-4 are V-shaped bearing pulleys, the first bearing pulleys 2-1 are U-shaped bearing pulleys, and the size parameters are as follows:
the V-shaped bearing pulley has the diameter of 70mm, the thickness of 28mm, the width of a groove of 21mm, the depth of the groove of 9mm, the type and material of a bearing 6201, stainless steel and the load of 400 Kg;
the U-shaped bearing pulley has the diameter of 70mm, the thickness of the pulley h +12mm, the width of a groove h +4mm, the depth of the groove 15mm, the height of 80mm, the type and material of a bearing 6201 stainless steel, the load of 400Kg, the thickness of a bracket of 4mm and the length and width of a bracket bottom plate of 40 x 40 mm; wherein h is the thickness of the wing plate 1-2.
The upper guide beam 3 is formed by combining a second bearing pulley 3-4, a round steel mandrel 3-3 with the diameter of 20mm, a No. 8 channel steel 3-2, angle steel 3-5, a welded steel pipe with the diameter of 25mm, an M20 fixing nut and a stopper group 3-1.
Two round steel with the diameter of 20mm are taken out to serve as a mandrel 3-3, the blanking length is B +240mm, wherein B is the width of an upper wing plate 1-1, the threading lengths at two ends are respectively 100mm, two second bearing pulleys 3-4 are symmetrically fixed on the mandrel 3-3, and the center distance between the second bearing pulleys 3-4 is B-100 mm;
and (3) cutting 2 # channel steels 3-2, wherein the lengths of the channel steels are 700mm respectively, drilling bolt holes with the diameters of 22mm from the two ends of the channel steels at the distance of 70mm respectively, drilling bolt holes with the diameters of 18mm at the centers of the lower supporting legs, simultaneously cutting four angle steels 3-5 with the lengths of 50mm and 50 x 5mm, and welding the angle steels at the upper parts of the two ends of the channel steels 3-2.
The round steel core shaft 3-3 is symmetrically penetrated through bolt holes of channel steel 3-2 on two sides, M20 is used for fixing a nut for locking, 2M 16 bolts are bent into an L shape, the size of the L shape is 50mm by 100mm, the L shape penetrates through the bolt holes in the middle of the channel steel 3-2, and the locking nut is locked to serve as a limiter 3-1.
The hanging basket assembly frame 2 is a cage-shaped framework formed by assembling and welding steel bars, the length of a cage rib is 650mm, the width of the cage rib is 600mm, the height of the cage rib is H +458mm, wherein H is the distance between an upper wing plate 1-1 and a lower wing plate, and a pair of hanging rings 2-2 are welded on the cage rib oblique steel bars; a horizontal cross beam at the top of the cage framework penetrates into a welding steel pipe, the inner diameter of the welding steel pipe is 20mm, and the length of the welding steel pipe is 620 mm.
A bottom plate of the bearing table 4 is welded with a pattern steel plate with the thickness of 3mm, a first bearing pulley 2-1 is arranged on a vertical steel rib framework, and is fixedly connected by a special hoop, so that the vertical position can be adjusted according to the height of the steel beam 1; the side plates 4-1 of the turning are arranged on one side, facing the steel beam, of the cage framework, the side plates 4-1 are made into U-shaped frameworks through steel bar welding, the length of the framework is 615mm, the width of the framework is 200mm, the height of the framework is 275mm, the side faces of the long edges are welded with 3mm pattern steel plates, the side plates 4-1 are connected with the bearing platform 4 through right-angle hinges, the side faces can turn over 90 degrees after being opened, the side faces are overlapped on the inner side of the bearing platform 4 when being folded, and the steel bar hooks 4-2 are buckled and fixed with the hanging basket assembly frame 2.
Asbestos fireproof cloth is laid on the side face of the bearing table 4 and the two sides of the side plate 4-1, and dust-free asbestos cloth with the thickness of 2mm and the high temperature resistance of over 1000 ℃ is adopted to serve as a fire-isolating facility for high-altitude welding.
The hanging basket group frames 2 on the two sides are respectively connected and assembled with the upper guide beam 3, the welding steel pipes penetrating through the horizontal cross beams of the hanging basket group frames 2 are welded to the lower portions of the channel steels 3-2 on the two sides of the upper guide beam 3 in the middle and are flush with the bottom surfaces of the channel steels 3-2, and the fireproof hanging basket is integrally assembled and molded.
When the steel beam lifting device is used specifically, firstly, the steel beam 1 is installed and corrected, the steel beam 1 is lifted and installed after the steel column lifting and checking are completed, the truck crane or the crawler crane is utilized, four-point symmetrical binding lifting and installation is adopted, under the premise that the lifting angle of the steel wire rope is ensured, binding points are determined through calculation, binding lifting starting points are located on the central line of the beam, no distortion and deformation are caused when the beam is lifted, and a padder is added at the connecting position of the steel wire rope and the purlin supporting plate.
When the steel beam 1 is hoisted, firstly, trial hoisting is carried out, the steel beam 1 is hoisted to be 20cm away from the ground, hoisting is continued without abnormality, the steel beam 1 is slowly pulled to be in place when being 10mm away from the column datum plane after being hoisted, four traction ropes are pulled on two sides of the steel beam 1 in order to avoid overlarge shaking of the component, and the hoisting is ensured to be more stable and safe by commanding operation of a special person on the ground; after the steel beam 1 is lifted in place, aligning, clamping a connecting plate in time, using punching nails to punch and correct holes at two ends of the beam, and fixedly connecting the beam with the steel column through a tool bolt group, wherein the number of temporarily fixed bolts is not less than 30% of the total number of bolts of the node and not less than 2; and the steel beam 1 is checked by a theodolite at any time during hoisting, and is corrected in time when deviation occurs, so that the installation central line of the steel beam 1 is ensured to be coincident with the central line of the column top.
Assembling and molding a fireproof hanging basket in advance, enabling a limiter 3-1 of an upper guide beam 3 to be parallel to an upper wing plate 1-1 in the horizontal direction, integrally hoisting the hanging basket by adopting a crane, symmetrically hoisting by using a hoisting ring 2-2, placing the upper guide beam 3 on the top surface of the upper wing plate 1-1 in the middle under the traction of ground personnel, using a second bearing pulley 3-4 as a support, and using channel steel 3-2 at two sides of the upper guide beam 3 as a horizontal positioning device to prevent the hanging basket from laterally shifting; a constructor adjusts the position limiter 3-1 of the upper guide beam 3 to be vertical to the steel beam and then locks the bolt, so as to prevent the hanging basket from overturning laterally; an operator fastens a safety belt and synchronously enters the hanging basket from two sides of the steel beam 1,
the first bearing pulley 2-1 and the hanging basket vertical steel reinforcement framework are fixedly connected through the hoop, the sliding groove of the first bearing pulley 2-1 is clamped on the edge of the lower wing plate 1-2, after the fireproof hanging basket is hung stably, the steel wire line and the hanging ring can be removed, and the fireproof hanging basket is installed.
The side plates 4-1 of the bearing platform are opened, the two side plates 4-1 are butted after being turned for 90 degrees, the bottom of the hanging basket is completely sealed to serve as a fire receiving facility, welding spatters during high-altitude welding are avoided, and operators can safely and conveniently perform high-altitude welding and other installation operations of a steel structure by using the fireproof hanging basket as an operation platform.
When the construction of the working face needs to be longitudinally translated, the safety rope connected to the steel beam 1 can be pulled by an operator in the hanging basket, the horizontal free sliding is realized through the two groups of bearing pulleys, and the hanging basket can also be pulled by ground personnel to walk at any position in a beam span.
After the construction of the operation span is completed, an operator packs up the side plates 4-1 on two sides, fixes the steel bar hooks 4-2 on a steel bar framework of the hanging basket assembly frame 2, rotates the limiting device 3-1 to be parallel to the upper wing plate 1-1, integrally lifts the fireproof hanging basket by using a crane, turns over the two hanging basket assembly frames through a steel pipe rotating shaft of the upper guide beam 3 to be in a horizontal state, automatically releases the clamping between the first bearing pulley 2-1 and the lower wing plate 1-2, and keeps the horizontal state under the constraint of angle steel 3-5 on two sides of the upper guide beam 3, realizes the integral lifting and moving, and transfers the fireproof hanging basket to the next working face for turnover.
In conclusion, by means of the technical scheme of the utility model, the structure is simple, the safety and the stability are realized, the operation is simple, convenient and flexible, the displacement is convenient, the upper guide beam and the bearing pulley can be adjusted and combined according to the size of the steel beam, and the universality is good; the bolts are connected and combined, so that the assembly and disassembly are convenient, and the device can be used repeatedly; the joint mounting structure is generally used for the joint mounting construction of H-shaped steel beams with various specifications and models, the construction process is simplified, the work efficiency is effectively improved, and the cost is reduced; meanwhile, the construction period of steel structure engineering is shortened, potential safety hazards are eliminated, and the method has good application value.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The fireproof hanging basket for high-altitude welding of the steel structure is characterized by comprising an I-shaped steel beam (1) consisting of an upper wing plate (1-1) and a lower wing plate (1-2), hanging basket assembly frames (2) are arranged on two side edges of the steel beam (1), an upper guide beam (3) is movably connected between the two hanging basket assembly frames (2), the upper guide beam (3) is slidably mounted on the upper plane of the upper wing plate (1-1), a first bearing pulley (2-1) connected with the lower wing plate (1-2) is arranged below the inner side of each hanging basket assembly frame (2), bearing platforms (4) are formed below the hanging basket assembly frames (2) through welded steel plates, side plates (4-1) capable of turning 90 degrees are connected to adjacent sides of the two bearing platforms (4) through hinges, the sum of the lengths of the two side plates (4-1) is greater than or equal to the width of the lower wing plate (1-2), the middle part of the upper guide beam (3) is provided with a rotatable limiter (3-1), and the limiter (3-1) is arranged below the upper wing plate (1-1).
2. The fireproof basket for high-altitude welding of steel structures according to claim 1, characterized in that the basket assembly frame (2) is a right-angled trapezoid frame.
3. The fireproof hanging basket for high-altitude welding of steel structures as claimed in claim 2, wherein hanging rings (2-2) are welded on each oblique edge of the hanging basket assembly frame (2).
4. The fireproof hanging basket for steel structure high-altitude welding according to claim 1, characterized in that channel steel (3-2) is arranged on two sides of the upper guide beam (3), at least two mandrels (3-3) for supporting are installed between the two channel steel (3-2), a second bearing pulley (3-4) which slides on the upper wing plate (1-1) is arranged on the mandrel (3-3), and angle steel (3-5) connected with the hanging basket assembly frame (2) is arranged on the outer side of the channel steel (3-2).
5. The fireproof hanging basket for high-altitude welding of steel structures as claimed in claim 4, wherein the stopper (3-1) is an L-shaped long screw, and a thread section of the long screw is connected to the upper guide beam (3).
6. The fireproof hanging basket for high-altitude welding of the steel structure according to claim 1, wherein asbestos fireproof cloth is installed on two sides of the side plates (4-1), and the side plates (4-1) are connected with steel bar hooks.
7. The fireproof hanging basket for high-altitude welding of steel structures according to claim 6, wherein a steel plate with patterns is welded at the bottom of the bearing platform (4), and asbestos fireproof cloth is installed on the other three sides of the bearing platform (4).
8. The fireproof hanging basket for high-altitude welding of steel structures according to claim 4, characterized in that the second bearing pulleys (3-4) are V-shaped bearing pulleys, the first bearing pulleys (2-1) are U-shaped bearing pulleys, and the first bearing pulleys (2-1) are connected with the edge of the lower wing plate (1-2).
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| CN202120233295.2U CN215254455U (en) | 2021-01-28 | 2021-01-28 | Fireproof hanging basket for high-altitude welding of steel structure |
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| CN202120233295.2U CN215254455U (en) | 2021-01-28 | 2021-01-28 | Fireproof hanging basket for high-altitude welding of steel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181040A (en) * | 2023-02-23 | 2023-05-30 | 中交一公局集团有限公司 | Construction hanging basket suitable for steel structure main body high-altitude construction |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181040A (en) * | 2023-02-23 | 2023-05-30 | 中交一公局集团有限公司 | Construction hanging basket suitable for steel structure main body high-altitude construction |
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