Construction method of glass curtain wall with super large plate in narrow space

Abstract

The application provides a construction method of a super-large-plate glass curtain wall in a narrow space, and relates to the technical field of glass curtain wall construction, which comprises the following steps: S1, installing steel columns and beams; S2, laying a track on a cantilever platform; S3, manufacturing a mobile trolley and placing the trolley on the track; S4, fixing a winch on the cantilever platform, welding a lifting ring on a roof pre-embedded plate, and passing a steel wire rope of the winch through the lifting ring; S5, hoisting a glass panel onto the mobile trolley; S6, driving the mobile trolley to a mounting position, lifting the glass panel by using a glass suction cup and the winch, lifting the glass panel to the mounting position, and fixing the glass panel on a curtain wall keel frame. The track and the mobile trolley are used to realize the mobile transportation of the glass panel in the narrow space, the lifting ring is welded on the roof pre-embedded plate, the winch and the lifting ring are used to realize the hoisting and lifting of the glass panel in the narrow space, and the problem that a hoisting vehicle cannot hoist and move the glass panel in the narrow space is solved.

Description

Technical Field

[0001] This invention belongs to the field of glass curtain wall construction technology, specifically providing a construction method for ultra-large glass curtain walls in confined spaces. Background Technology

[0002] As an important form of architectural decoration, curtain walls embody the artistic features, stylistic characteristics, and design concepts of buildings, playing an indispensable role in architectural decoration. With the development of the architectural decoration industry, the forms and specifications of glass curtain walls are increasingly leaning towards artistry and futurism, with a significant increase in demand for various curved, spherical, figurative, and large-pane glass installations. Furthermore, ordinary glass curtain walls can no longer meet the needs of modern urban progress and development; now, exaggerated design techniques and concepts are often used to enhance the charm of architectural decoration within urban development.

[0003] For some building curtain wall projects, a semi-circular or other shaped main structure is designed on the outside of the glass curtain wall to create a design effect that contrasts with the glass curtain wall. In order to achieve this design effect, the distance between the main structure on the outside of the glass curtain wall and the glass curtain wall is usually small, forming a narrow construction space, which brings great inconvenience to the construction of the glass curtain wall.

[0004] Accordingly, there is a need in the field for a construction method for ultra-large glass curtain walls in confined spaces to solve the above problems. Summary of the Invention

[0005] This invention proposes a construction method for ultra-large glass curtain walls in confined spaces, solving the problem of inconvenience in constructing glass curtain walls in confined spaces in existing technologies.

[0006] The technical solution of this invention is implemented as follows: a construction method for a large-panel glass curtain wall in a confined space, comprising the following steps: Step S1, installing steel columns and beams to form the curtain wall frame; Step S2, laying tracks on a cantilevered platform on the outside of the curtain wall; Step S3, fabricating a mobile trolley and placing it on the tracks, the mobile trolley including a base and wheels at the bottom of the base, a support frame installed on the base, and an inclined support surface provided on the support frame; Step S4, fixing a winch on the cantilevered platform, welding lifting rings using roof embedded plates, and threading the winch's wire rope through the lifting rings; Step S5, hoisting the glass panel onto the mobile trolley and placing it against the inclined support surface; Step S6, driving the mobile trolley to the installation position, using glass suction cups and the winch to lift the glass panel to the installation position, and fixing it to the curtain wall frame.

[0007] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, the support frame includes diagonal braces and vertical braces. The top ends of the diagonal braces and vertical braces are fixedly connected, and the bottom ends are detachably connected to the base. The vertical braces are perpendicular to the base, and the angle between the diagonal braces and the base is 70°, forming a diagonal bracing surface.

[0008] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, a mounting base is welded on the base, the mounting base includes steel plates arranged opposite each other, the steel plates have mounting holes, the ends of the diagonal braces and vertical braces are inserted into the mounting base and fixedly connected to the steel plates by bolts, a pad is provided on the base, and rubber pads are provided on the pad and the diagonal braces.

[0009] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, step S1 specifically includes the following steps: installing a winch on the cantilever platform, welding lifting rings using the pre-embedded plate on the top of the roof, and connecting the wire rope of the winch through the lifting rings to the steel column; operating the winch to lift the steel column until the steel column is in the installation position and welding it in place; welding horizontal beams between adjacent steel columns to form the curtain wall frame.

[0010] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, the following steps are also included between steps S2 and S3: placing a climbing vehicle on a track, and using the climbing vehicle to install aluminum alloy bases for fixing the glass panels on the curtain wall frame.

[0011] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, step S4 specifically includes the following steps: fixing a winch on a cantilever platform; welding two lifting rings at intervals on the pre-embedded plate on the roof, and setting a fixed pulley between the two lifting rings; and passing the wire rope of the winch through the fixed pulley.

[0012] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, step S5 specifically includes the following steps: disassembling the support frame on the mobile trolley; hoisting the glass panel onto the mobile trolley so that one side of the glass panel is stably abutted against the base of the mobile trolley; installing the support frame on the mobile trolley and abutting the glass panel against the inclined support surface of the support frame.

[0013] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, step S6 specifically includes the following steps: driving the mobile trolley to the installation position; using glass suction cups and a winch to lift the glass panel a preset distance from the mobile trolley, and leaving it stationary for a preset time to check whether the adsorption value has changed. If there is no change, continue lifting and drive the mobile trolley to other positions; lift the glass panel to the installation position and fix it.

[0014] In the preferred technical solution of the above-mentioned construction method for ultra-large glass curtain walls in confined spaces, the track includes two parallel channel steels and a steel pipe connecting the two channel steels.

[0015] Beneficial effects: The construction method of this invention enables the movement and transportation of large glass panels in confined spaces by setting up tracks and mobile trolleys on the cantilevered platform on the outside of the glass curtain wall. By welding lifting rings to the pre-embedded plates on the roof and using winches and lifting rings in conjunction, the glass panels can be hoisted and lifted in confined spaces. This solves the problem that cranes cannot hoist and move glass panels in confined spaces, and avoids collisions between the crane boom and the main structure at the cantilevered platform. It not only solves the problem of installing ultra-large glass curtain walls in confined spaces, but also improves construction safety.

[0016] The mobile trolley used in the construction method of the present invention is equipped with a detachable support frame. During the process of hoisting and placing the glass panel on the mobile trolley, it may sway. In order to prevent the support frame from colliding with the glass panel, the support frame can be disassembled first when hoisting the glass panel. After the glass panel is placed stably, the support frame can be installed to support the glass panel, thus avoiding the glass panel from colliding with the support frame and breaking, and reducing losses.

[0017] This invention utilizes pre-embedded plates on the roof to weld lifting rings, and uses winches and lifting rings to hoist steel columns, solving the problem of difficult hoisting of curtain wall keel steel columns in confined spaces. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a flowchart illustrating the construction method of the ultra-large glass curtain wall in a confined space according to the present invention.

[0020] Figure 2 This is the construction status of the ultra-large glass curtain wall in a confined space according to the present invention. Figure 1 ;

[0021] Figure 3 This is the construction status of the ultra-large glass curtain wall in a confined space according to the present invention. Figure 2 The semi-circular main structure on the front side of the curtain wall has been concealed.

[0022] List of reference numerals in the attached diagram: 1. Semi-circular main structure; 2. Cantilever platform; 3. Steel column; 4. Crossbeam; 5. Track; 6. Moving trolley; 60. Traveling wheel; 61. Base; 611. Rubber pad; 62. Diagonal brace; 63. Vertical brace; 7. Winch; 71. Steel wire rope; 72. Lifting ring; 73. Fixed pulley; 8. Glass panel; 9. Glass suction cup. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] It should be noted that in the description of this invention, terms such as “center,” “upper,” “lower,” “left,” “right,” “vertical,” “horizontal,” “inner,” and “outer,” which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. This is merely for ease of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this invention.

[0025] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0026] Taking the curtain wall project of the Sui and Tang Grand Canal Culture Museum as an example, a continuous semi-circular main structure 1 is set on the outside of the glass curtain wall. The bottom of the semi-circular main structure 1 is supported on the cantilever platform 2. A narrow operating space is formed between the semi-circular main structure 1 and the installation surface of the glass curtain wall. A channel for hoisting glass panels 8 is formed between adjacent semi-circular main structures 1.

[0027] like Figures 1 to 3 As shown, a specific embodiment of the construction method for ultra-large glass curtain walls in confined spaces according to the present invention is as follows: The construction method for ultra-large glass curtain walls in confined spaces includes the following steps:

[0028] Step S1: Measure and lay out the lines according to the design drawings, and install the steel columns 3 and beams 4 to form the curtain wall skeleton;

[0029] Step S2: Lay a track 5 on the cantilever platform 2 on the outside of the curtain wall. The track 5 includes two parallel channel steels and a steel pipe connecting the two channel steels. The track 5 is 500mm away from the curtain wall installation surface.

[0030] Step S3: Make a mobile trolley 6 and place it on the track 5. The mobile trolley 6 includes a base 61 and a traveling wheel 60 set at the bottom of the base 61. The traveling wheel 60 is located on the track 5. A support frame is installed on the base 61 and the support frame is provided with an inclined support surface.

[0031] Step S4: Fix the winch 7 on the cantilever platform 2, weld the lifting ring 72 using the roof pre-embedded plate, and pass the wire rope 71 of the winch 7 through the lifting ring 72.

[0032] Step S5: Use a crane to lift the glass panel 8, so that the glass panel 8 passes through the channel between the adjacent semi-circular main structures 1 and is placed on the moving trolley 6, and the glass panel 8 abuts against the inclined support surface.

[0033] Step S6: Drive the mobile trolley 6 to the installation position, use the glass suction cup 9 and winch 7 to lift the glass panel 8, lift the glass panel 8 to the installation position, and fix it to the curtain wall frame.

[0034] The large glass panel 8 can be moved and transported in a confined space by using track 5 and mobile trolley 6. By welding lifting rings 72 to the roof embedded plate, the glass panel 8 can be lifted and hoisted in a confined space by using winch 7 and lifting rings 72. This effectively solves the problem that the crane cannot lift and move the glass panel 8 in a confined space, and ensures the steady construction of the glass curtain wall.

[0035] Step S1 specifically includes the following steps:

[0036] According to the design drawings, the winch 7 is installed on the cantilever platform 2. The lifting ring 72 is welded using the pre-embedded plate on the top of the roof. The wire rope 71 of the winch 7 is passed through the lifting ring 72 and connected to the steel column 3.

[0037] Operate the winch 7 to lift the steel column 3 until it is in the installation position, and then weld it in place;

[0038] Weld horizontal beams 4 between adjacent steel columns 3 to form the curtain wall keel.

[0039] The use of winch 7 and lifting ring 72 to hoist the steel column 3 solved the problem of difficult hoisting of the curtain wall keel steel column 3 in a narrow space.

[0040] The process between steps S2 and S3 includes the following steps: placing a climbing vehicle on track 5 and using the climbing vehicle to install an aluminum alloy base 61 for fixing the glass panel 8 on the curtain wall frame.

[0041] Step S4 specifically includes the following steps:

[0042] Fix the winch 7 on the cantilever platform 2;

[0043] Two lifting rings 72 are welded at intervals on the pre-embedded plate of the roof, and a fixed pulley 73 is installed between the two lifting rings 72;

[0044] The wire rope 71 of the winch 7 is passed through the fixed pulley 73, and the winch 7 is at approximately a 45° angle to the lifting point.

[0045] Using two sets of lifting rings 72 reduces concentrated stress on the roof top, ensuring construction safety.

[0046] The support frame includes two sets of support members symmetrically arranged on the base 61. Each support member includes a diagonal brace 62 and a vertical brace 63. The top ends of the diagonal brace 62 and the vertical brace 63 are fixedly connected, and their bottom ends are detachably connected to the base 61. The vertical brace 63 is perpendicular to the base 61, and the angle between the diagonal brace 62 and the base 61 is 70°, forming a diagonal bracing surface. Specifically, a mounting seat (not shown in the figure) is welded onto the base 61. The mounting seat includes opposing steel plates with mounting holes. The ends of the diagonal brace 62 and the vertical brace 63 are inserted into the mounting seat. Bolts pass through the mounting holes and the diagonal brace 62 to connect the diagonal brace 62 to the base 61, and bolts pass through the mounting holes and the vertical brace 63 to connect the vertical brace 63 to the base 61. A pad is provided on the base 61, and rubber pads 611 are provided on the pad and the diagonal brace 62. The pad is located in front of the diagonal support face, providing stable support for the bottom of the glass panel 8.

[0047] Based on the detachable support frame, step S5 specifically includes the following steps:

[0048] Disassemble the support frame on the mobile trolley 6;

[0049] The glass panel 8 is hoisted onto the mobile trolley 6, so that one side of the glass panel 8 is stably abutted against the base 61 of the mobile trolley 6.

[0050] Install the support frame on the mobile trolley 6 and place the glass panel 8 against the inclined support surface of the support frame.

[0051] During the process of hoisting and placing the glass panel 8 on the mobile trolley 6, it may sway. In order to prevent the support frame from colliding with the glass panel 8, the support frame can be disassembled first when hoisting the glass panel 8. After the glass panel 8 is placed stably, the support frame can be installed to support the glass panel 8, thus avoiding the glass panel 8 from colliding with the support frame and breaking, and reducing losses.

[0052] Step S6 specifically includes the following steps:

[0053] Drive the mobile trolley 6 to the installation position;

[0054] Use glass suction cup 9 and winch 7 to lift glass panel 8 200mm away from moving trolley 6 and let it stand still for 10 minutes to check if the adsorption value has changed. If there is no change, continue lifting and drive moving trolley 6 to other positions to avoid collision between moving trolley 6 and glass panel 8.

[0055] Lift the glass panel 8 to the installation position and secure it.

[0056] It should be noted that although in the above embodiments, steel plates are welded to the base and the diagonal and vertical braces are connected to the base by being inserted into the two steel plates, this is not the only way for the support frame to be connected to the base. For example, in other embodiments, slots are provided on the base, which are adapted to the bottom ends of the vertical and diagonal braces. By inserting the vertical and diagonal braces into the slots, a detachable connection with the base is achieved. Alternatively, steel plates are welded to the bottom ends of the diagonal and vertical braces, and connection holes are provided near the bottom of the steel plates. The base includes a frame and a steel pipe disposed in the middle of the frame. The vertical and diagonal braces are fixed to the base by clamping the steel plates at their bottom ends to both sides of the base steel pipe, and bolts are bolted to the bottom of the base steel pipe through the connection holes on the two steel plates to fix the relative position of the steel plates and the steel pipe, thereby achieving a detachable connection between the support frame and the base.

[0057] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A construction method of a glass curtain wall of a super large plate in a narrow space, characterized in that, Includes the following steps: Step S1: Install steel columns and beams to form the curtain wall framework; Step S2: Lay tracks on the cantilevered platform outside the curtain wall; Step S3: Make a mobile trolley and place it on the track. The mobile trolley includes a base and wheels set at the bottom of the base. A support frame is installed on the base and the support frame is provided with an inclined support surface. Step S4: Fix the winch on the cantilever platform, weld the lifting rings using the pre-embedded plate on the roof, and pass the wire rope of the winch through the lifting rings. Step S5: Hoist the glass panel onto the mobile trolley and place it against the inclined support surface; Step S6: Drive the mobile trolley to the installation position, use glass suction cups and winches to lift the glass panel, lift the glass panel to the installation position, and fix it to the curtain wall frame; The support frame includes diagonal braces and vertical braces. The top ends of the diagonal braces and vertical braces are fixedly connected, and the bottom ends are detachably connected to the base. The vertical braces are perpendicular to the base, and the angle between the diagonal braces and the base is 70°, forming a diagonal bracing surface. A mounting base is welded onto the base. The mounting base includes steel plates arranged opposite each other. Mounting holes are provided on the steel plates. The ends of the diagonal brace and the vertical brace are inserted into the mounting base and fixedly connected to the steel plate by bolts. A pad is provided on the base. Rubber pads are provided on the pad and the diagonal brace. Step S1 specifically includes the following steps: Install a winch on the cantilever platform, weld lifting rings using the pre-embedded plate on the top of the roof, and connect the winch's wire rope through the lifting rings to the steel column; Operate the winch to lift the steel column until it is in the installation position, and then weld it in place; Welding horizontal beams between adjacent steel columns forms the curtain wall frame; The following steps are also included between steps S2 and S3: A ladder truck is placed on a track, and aluminum alloy bases for fixing glass panels are installed on the curtain wall frame using the ladder truck. Step S4 specifically includes the following steps: Secure the winch to the cantilever platform; Two lifting rings are welded at intervals on the pre-embedded plate in the roof, and a fixed pulley is installed between the two lifting rings; The wire rope of the winch is threaded through the fixed pulley. Step S5 specifically includes the following steps: Disassemble the support frame on the mobile trolley; Hoist the glass panel onto the mobile trolley, ensuring that one side of the glass panel is stably abutted against the base of the mobile trolley; Install the support frame on the mobile trolley and place the glass panel against the inclined support surface of the support frame.

2. The construction method of the super-slim super large panel glass curtain wall in a narrow space according to claim 1, characterized in that, Step S6 specifically includes the following steps: Drive the mobile trolley to the installation position; Use glass suction cups and a winch to lift the glass panel to a preset distance from the moving trolley, and let it stand still for a preset time. Check if the adsorption value changes. If there is no change, continue lifting and drive the moving trolley to another position. Lift the glass panel to the installation position and secure it.

3. The construction method of the super-slim super large panel glass curtain wall in a narrow space according to claim 1, characterized in that, The track comprises two parallel channel steels and a steel pipe connecting the two channel steels.

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