Fabricated building glass curtain wall and construction method thereof

Abstract

The invention discloses a fabricated building curtain wall and a construction method thereof, and relates to the technical field of building energy-saving glass. The fabricated building curtain wall comprises a longitudinal beam vertically installed on a wall surface, a first cross beam, a second cross beam and a curtain wall unit body, the first cross beam and the second cross beam are horizontally fixed to the surface of the longitudinal beam, connecting plates are fixedly connected to the upper portion and the lower portion of one side of the curtain wall unit body, and a clamping piece is fixedly connected to one side of the connecting plate on the upper portion. One side of the connecting plate at the lower part is fixedly connected with a limiting connecting piece; the clamping piece comprises a T-shaped block, and the bottom of the T-shaped block is fixedly connected with a clamping structure. And the limiting connecting piece comprises an I-shaped connecting block, one end of the I-shaped connecting block is fixedly connected with a fixing shaft, and the surface of the fixing shaft is rotationally connected with a rolling wheel. According to the fabricated building curtain wall and the construction method thereof, through modular design and improvement of a connecting structure, the construction efficiency is improved, the anti-seismic performance is enhanced, and the installation difficulty is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of building energy-saving glass, in particular to an assembled building glass curtain wall and a construction method thereof. Background Art

[0002] In modern buildings, curtain walls, as an important part of the building's external envelope structure, not only bear the functions of heat preservation, heat insulation, and waterproofing, but also play a key role in the aesthetics and safety of the building. According to the needs of decorative design, they can be made of a variety of materials such as glass, metal, ceramics, and ceramic tiles, as well as the supporting structure behind them. Among them, although the glass curtain wall has the advantage of transparency, the traditional single-layer glass has defects such as poor thermal performance and high energy consumption. Although the energy-saving glass (such as Low-E hollow glass, vacuum glass, etc.) developed in recent years can significantly improve the thermal insulation performance, the installation difficulty increases due to the complex structure. With the improvement of the construction industry's requirements for construction efficiency and quality, prefabricated curtain walls have gradually become the mainstream. However, the existing prefabricated curtain wall technology still has many problems in practical applications: traditional curtain wall installation usually relies on complex adjustment mechanisms, such as sliding bolts or three-dimensional buckle structures. Although these structures can achieve precise adjustment, the installation process is cumbersome and requires repeated calibration, resulting in a long construction period and high labor costs. In addition, the seismic performance of existing curtain wall systems mostly relies on the limiting structure of screws or bolts, which not only increases the difficulty of installation, but also easily leads to a decrease in seismic performance due to loose screws. In high-rise buildings, the curtain wall installation process is often affected by wind loads, causing the unit to shake, increasing construction risks.

[0003] Therefore, the present invention proposes a prefabricated building glass curtain wall that can be quickly installed and has good earthquake resistance, so as to solve the problems of low installation efficiency, insufficient earthquake resistance and poor construction safety in the prior art. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides an assembled building glass curtain wall and a construction method thereof, which improves construction efficiency, enhances earthquake resistance and reduces installation difficulty through modular design and improved connection structure.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an assembled building glass curtain wall, comprising a longitudinal beam, a first transverse beam, a second transverse beam and a curtain wall unit body vertically installed on the wall surface, the first transverse beam and the second transverse beam are horizontally fixed on the surface of the longitudinal beam, the upper and lower parts of one side of the curtain wall unit body are fixedly connected with connecting plates, one side of the upper connecting plate is fixedly connected with a clamping piece, and one side of the lower connecting plate is fixedly connected with a limited position connecting piece;

[0008] The clamping member comprises a T-shaped block, and a clamping structure is fixedly connected to the bottom of the T-shaped block;

[0009] The position-limiting connecting member comprises an I-shaped connecting block, one end of which is fixedly connected to a fixed shaft, and a roller is rotatably connected to the surface of the fixed shaft;

[0010] The surface of the first crossbeam is provided with a clamping hole adapted to the clamping structure, and the clamping structure moves downward in one direction along the length direction of the longitudinal beam after contacting the clamping hole, and a positioning groove adapted to the I-shaped connecting block is provided on one side surface of the second crossbeam, and a drop hole adapted to the roller is also provided on the surface of the second crossbeam;

[0011] The fixing of the curtain wall unit body is achieved by the clamping connection between the clamping structure and the clamping hole and the clamping connection between the I-shaped connecting block and the positioning groove;

[0012] The curtain wall unit body comprises a frame body, a glass panel is fixedly connected to one side of the frame body, and a cross-shaped partition is fixedly connected to the inside of the frame body.

[0013] Preferably, the clamping structure includes a shell, a partition is fixedly connected to the middle part of the shell, clamping plates are slidably connected to both sides of the shell, one side of the clamping plate extends to the outside of the shell, a fixed tube is fixedly connected to the side of the clamping plate close to the partition, supporting tubes are fixedly connected to both sides of the partition and located at the corresponding position of the fixed tube, the outer wall of the supporting tube is slidably connected to the inner wall of the fixed tube, and a spring is provided between the partition and the clamping plate and inside the supporting tube.

[0014] Preferably, a fixing tooth is provided on one side of the clamping plate extending to the outside of the shell, a fixing shell is fixedly connected to one side of the bottom of the first crossbeam and located at a position corresponding to the clamping hole, and a fixing groove adapted to the fixing tooth is provided on the inner wall of the fixing shell.

[0015] Preferably, the connecting plate is a corrugated steel plate with a thickness of 1.5-2.5 mm, a wave height of 10-15 mm, and a wave length of 50-80 mm. The connecting plate is fixed to the curtain wall unit body by bolts, rivets or welding.

[0016] Preferably, an elastic damping block is provided between one side of the clamping member and the limiting connecting member and the connecting plate, and the clamping member and the limiting connecting member and the connecting plate are fixed by bolts or rivets.

[0017] Preferably, the elastic damping block is made of a silica gel-carbon fiber composite material, and the thickness of the elastic damping block is 15-25 mm.

[0018] Preferably, the I-shaped connecting block includes a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is arranged parallel to the third connecting plate, the second connecting plate is fixed between the first connecting plate and the third connecting plate, and the width of the second connecting plate is 0.5-2mm smaller than the width of the positioning groove.

[0019] Preferably, the surface of the drop hole is provided with a curved surface adapted to the roller, and the width of the drop hole is greater than the width of the roller.

[0020] Preferably, a first clamping seat is fixedly connected on both sides of the curtain wall unit body and near the top, a first clamping head adapted to the first clamping seat is fixedly connected on both sides of the curtain wall unit body and near the bottom, a second clamping seat is fixedly connected in the middle of one side of the curtain wall unit body, and a second clamping head adapted to the second clamping seat is fixedly connected in the middle of the other side of the curtain wall unit body.

[0021] A construction method for an assembled building glass curtain wall comprises the following steps:

[0022] Step 1: Process the clamping holes and mounting holes on the surface of the first crossbeam according to the preset size, process the positioning grooves, drop holes and mounting holes on the surface of the second crossbeam, and process the mounting holes on the surface of the longitudinal beam;

[0023] Step 2: Install the clamping piece on the surface of the connecting plate according to the preset size, install the limiting connecting piece on the surface of another connecting plate, fix the connecting plate on one side of the frame, and install the glass panel on one side of the frame.

[0024] Step 3: Install the longitudinal beam on the wall, and install the first cross beam and the second cross beam on the surface of the longitudinal beam;

[0025] Step 4: Lift the curtain wall unit body so that the limit connector falls above the second cross beam, make the surface of the curtain wall unit body parallel to the longitudinal beam, and slide the curtain wall unit body along the length direction of the second cross beam so that the clamping structure is clamped with the clamping hole, and the I-shaped connecting block is clamped with the positioning groove;

[0026] Step 5: Repeat step 4 to complete the installation of other curtain wall units.

[0027] (III) Beneficial effects

[0028] The present invention provides an assembled building glass curtain wall and a construction method thereof, which has the following beneficial effects:

[0029] (1) This assembled building glass curtain wall realizes rapid positioning and automatic clamping of the curtain wall unit during installation by providing a clamping piece on one side of the curtain wall unit to clamp the clamping hole of the first beam and a limit connector to clamp the positioning groove of the second beam, thereby improving installation efficiency and reducing installation difficulty.

[0030] (2) This type of assembled building glass curtain wall has a corrugated steel plate on one side of the clamping piece and the limit connector, which has high bending stiffness and shear strength and can effectively resist horizontal loads. When the wind load acts on the surface of the curtain wall unit, it is transmitted to the corrugated steel plate. The deformation of the corrugated steel plate decomposes the horizontal load into vertical stress, thereby achieving load dispersion and absorption;

[0031] (3) This type of assembled building glass curtain wall also has an elastic damping block on one side of the corrugated steel plate, which can better absorb earthquake energy and reduce vibration, thereby reducing structural damage.

[0032] (4) The construction method of this prefabricated building glass curtain wall can be partially assembled and processed in the factory, which improves the on-site installation efficiency. It can achieve automatic positioning during the installation process and reduce the difficulty of installation.

[0033] (5) In this type of assembled glass curtain wall, the frame of the curtain wall unit is added with insulation material, which avoids the need to add additional installation locations for insulation materials, so that the building curtain wall has an insulation effect, making the building insulation more energy-efficient, and the curtain wall unit can be realized by using glass panels of ordinary curtain walls, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0035] Figure 2 A side view of the present invention as a whole;

[0036] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0037] Figure 4 The three-dimensional structure of the curtain wall unit of the present invention is shown in FIG. Figure 1 ;

[0038] Figure 5 The three-dimensional structure of the curtain wall unit of the present invention is shown in FIG. Figure 2 ;

[0039] Figure 6 The structure diagram of the connection between the longitudinal beam and the cross beam of the present invention is shown in FIG. Figure 1 ;

[0040] Figure 7 The structure diagram of the connection between the longitudinal beam and the cross beam of the present invention is shown in FIG. Figure 2 ;

[0041] Figure 8 It is a structural schematic diagram of the clamping structure of the present invention;

[0042] Fig. 9It is a structural schematic diagram of the I-shaped connecting block of the present invention.

[0043] In the figure: 1-longitudinal beam, 2-first cross beam, 21-clamping hole, 3-second cross beam, 31-positioning groove, 32-drop hole, 4-curtain wall unit, 41-frame, 42-glass panel, 43-cross partition, 5-connecting plate, 6-clamping piece, 61-T-block, 62-clamping structure, 621-shell, 622-partition, 623-clamping plate, 624-fixing cylinder, 625-support cylinder, 626-spring, 7-limiting connecting piece, 71-I-shaped connecting block, 711-first connecting plate, 712-second connecting plate, 713-third connecting plate, 72-fixed shaft, 73-roller, 8-elastic damping block, 9-first clamping seat, 10-first clamping head, 11-second clamping seat, 12-second clamping head. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1-9 The present invention provides a technical solution: an assembled building glass curtain wall, comprising a longitudinal beam 1, a first transverse beam 2, a second transverse beam 3 and a curtain wall unit 4 vertically mounted on a wall surface, the longitudinal beam 1 being fixed to the wall surface by expansion bolts, and the first transverse beam 2 and the second transverse beam 3 being horizontally fixed to the surface of the longitudinal beam 1 by bolts;

[0046] The upper and lower parts of one side of the curtain wall unit 4 are fixedly connected with connecting plates 5, one side of the upper connecting plate 5 is fixedly connected with a clamping piece 6, and one side of the lower connecting plate 5 is fixedly connected with a limiting connecting piece 7; the connecting plate 5 is a corrugated steel plate with a thickness of 1.5-2.5mm, a wave height of 10-15mm, and a wavelength of 50-80mm. The connecting plate 5 is fixed to the curtain wall unit 4 by bolts, rivets or welding. The specific connecting plate 5 has a thickness of 2mm, a wave height of 10mm, and a wavelength of 50mm. The corrugated connecting plate 5 disperses the horizontal load to the vertical direction through its corrugated structure, thereby enhancing the shear resistance of the curtain wall unit 4 and improving the overall stiffness and strength of the unit.

[0047] The clamping member 6 comprises a T-shaped block 61, and a clamping structure 62 is fixedly connected to the bottom of the T-shaped block 61;

[0048] The position-limiting connecting member 7 comprises an I-shaped connecting block 71, one end of which is fixedly connected to a fixed shaft 72, and a roller 73 is rotatably connected to the surface of the fixed shaft 72;

[0049] The cross section of the first crossbeam 2 is an L-shaped structure, and a clamping hole 21 adapted to the clamping structure 62 is provided on the surface of the first crossbeam 2. After the clamping structure 62 contacts the clamping hole 21, it moves unidirectionally downward along the length direction of the longitudinal beam 1. Specifically, the clamping structure 62 includes a shell 621, a partition 622 is fixedly connected to the middle of the shell 621, and clamping plates 623 are slidably connected to both sides of the shell 621. The two clamping plates 623 are symmetrically arranged about the partition 622, and one side of the clamping plate 623 extends to the outside of the shell 621. A fixing tooth is provided on the side of the clamping plate 623 extending to the outside of the shell 621. A fixed shell 22 is fixedly connected to one side of the bottom of the first crossbeam 2 and located at a position corresponding to the clamping hole 21, and a fixing groove adapted to the fixing tooth is provided on the inner wall of the fixed shell 22. One side of the fixed tooth is perpendicular to the surface of the clamping plate 623, and the other side of the fixed tooth is at an angle of 30-50 degrees to the surface of the clamping plate 623, thereby ensuring the unidirectional movement of the clamping structure 62 and preventing the curtain wall unit 4 from moving in the vertical direction;

[0050] A fixing tube 624 is fixedly connected to one side of the clamping plate 623 close to the partition 622, and a supporting tube 625 is fixedly connected to both sides of the partition 622 and at a position corresponding to the fixing tube 624. The outer wall of the supporting tube 625 is slidably connected to the inner wall of the fixing tube 624. A spring 626 is arranged between the partition 622 and the clamping plate 623 and inside the supporting tube 625, and the elastic coefficient is 5-10N / mm. The arrangement of the spring 626 ensures that the fixing teeth on the surface of the clamping plate 623 can quickly engage with the fixing groove, thereby ensuring the stability of the installation.

[0051] The cross section of the second crossbeam 3 is a right-angled Z-shaped structure. A positioning groove 31 adapted to the I-shaped connecting block 71 is provided on one side surface of the second crossbeam 3. A drop hole 32 adapted to the roller 73 is also provided on the surface of the second crossbeam 3. The I-shaped connecting block 71 includes a first connecting plate 711, a second connecting plate 712 and a third connecting plate 713. The first connecting plate 711 is arranged parallel to the third connecting plate 713. The second connecting plate 712 is fixed between the first connecting plate 711 and the third connecting plate 713. The width of the second connecting plate 712 is 0.5-2mm smaller than the width of the positioning groove 31. The surface of the drop hole 32 is provided with a curved surface adapted to the roller 73. The width of the drop hole 32 is greater than the width of the roller 73.

[0052] During installation, the curtain wall unit body 4 drives the limiting connector 7 to move to the top side of the second beam 3. The third connecting plate 713 is located on one side inside the second beam 3, which can realize the limitation in the direction perpendicular to the wall surface. The roller 73 contacts the top side of the second beam 3 and can roll along the length direction of the second beam 3. At this time, one side of the curtain wall unit body 4 is close to one side of the first beam 2, that is, the surface of the curtain wall unit body 4 is parallel to the surface of the longitudinal beam 1. When the roller 73 moves to the drop hole 32, the bottom of the roller 73 loses support, and the bottom of the I-shaped connecting block 71 contacts the top of the second beam 3. Friction force, although due to a certain inertia, the whole body can continue to move forward until the bottom of the I-shaped connecting block 71, that is, when the bottom of the second connecting plate 712 moves to the positioning groove 31, the curtain wall unit 4 as a whole loses support, and the bottom of the second connecting plate 712 falls into the positioning groove 31, realizing rapid clamping and limiting lateral movement. During the overall falling process of the curtain wall unit 4, the clamping structure 62 moves to the top of the clamping hole 21 and moves downward, so that the fixed teeth on the surface of the clamping plate 623 can quickly engage with the fixed groove, limiting the longitudinal movement and realizing the fixation of the curtain wall unit 4.

[0053] The curtain wall unit 4 is fixed by the clamping structure 62 and the clamping hole 21 and the I-shaped connecting block 71 and the positioning groove 31.

[0054] The curtain wall unit 4 includes a frame 41, a glass panel 42 is fixedly connected to one side of the frame 41, a cross-shaped partition 43 is fixedly connected to the inside of the frame 41, and the cross-shaped partition 43 divides the inside into four areas. If needed, the side close to the glass panel 42 can be set as an insulation layer, and insulation material can be filled in the area, and the other side can be used for pipelines.

[0055] An elastic damping block 8 is provided between one side of the clamping member 6 and the limiting connecting member 7 and the connecting plate 5 , and the clamping member 6 and the limiting connecting member 7 and the connecting plate 5 are fixed by bolts or rivets.

[0056] The elastic damping block 8 is made of a silicone-carbon fiber composite material, and the thickness of the elastic damping block 8 is 15-25 mm. The mass ratio of silicone to carbon fiber used in the elastic damping block 8 is 7:3, and the elastic modulus is 0.8-1.2 GPa. It is used to absorb seismic energy and reduce vibration. It is set on one side of the connecting plate 5 to more effectively transfer and disperse the load through the corrugated steel plate, thereby reducing structural damage.

[0057] A first clamping seat 9 is fixedly connected to both sides of the curtain wall unit 4 and near the top, a first clamping head 10 adapted to the first clamping seat 9 is fixedly connected to both sides of the curtain wall unit 4 and near the bottom, a second clamping seat 11 is fixedly connected to the middle of one side of the curtain wall unit 4, and a second clamping head 12 adapted to the second clamping seat 11 is fixedly connected to the middle of the other side of the curtain wall unit 4. Through the arrangement of the clamping seat and the clamping head, multiple curtain wall unit bodies 4 are formed into a whole, the overall stability is improved, the clamping head has a certain elastic deformation ability, can absorb earthquake energy, and enhance the seismic performance.

[0058] A construction method for an assembled building glass curtain wall comprises the following steps:

[0059] Step 1: Process the clamping hole 21 and the mounting hole on the surface of the first crossbeam 2 according to the preset size, process the positioning groove 31, the drop hole 32 and the mounting hole on the surface of the second crossbeam 3, and process the mounting hole on the surface of the longitudinal beam 1;

[0060] Step 2: Install the clamping member 6 on the surface of the connecting plate 5 according to the preset size, install the limiting connector 7 on the surface of another connecting plate 5, fix the connecting plate 5 to one side of the frame 41, and install the glass panel 42 on one side of the frame 41.

[0061] Step 3: Install the longitudinal beam 1 on the wall, and install the first cross beam 2 and the second cross beam 3 on the surface of the longitudinal beam 1;

[0062] Step 4: Lift the curtain wall unit 4 so that the limiting connector 7 falls above the second cross beam 3, make the surface of the curtain wall unit 4 parallel to the longitudinal beam 1, and slide the curtain wall unit 4 along the length direction of the second cross beam 3, so that the clamping structure 62 is clamped with the clamping hole 21, and the I-shaped connecting block 71 is clamped with the positioning groove 31;

[0063] Step 5: Repeat step 4 to complete the installation of other curtain wall units 4.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled building glass curtain wall, comprising a longitudinal beam (1) vertically mounted on a wall surface, a first cross beam (2), a second cross beam (3) and a curtain wall unit (4), characterized in that: The first cross beam (2) and the second cross beam (3) are horizontally fixed on the surface of the longitudinal beam (1); the upper and lower parts of one side of the curtain wall unit body (4) are fixedly connected with a connecting plate (5); one side of the upper connecting plate (5) is fixedly connected with a clamping piece (6); and one side of the lower connecting plate (5) is fixedly connected with a limiting connecting piece (7); The clamping member (6) comprises a T-shaped block (61), and a clamping structure (62) is fixedly connected to the bottom of the T-shaped block (61); The position-limiting connecting member (7) comprises an I-shaped connecting block (71), one end of the I-shaped connecting block (71) is fixedly connected to a fixed shaft (72), and a roller (73) is rotatably connected to the surface of the fixed shaft (72); The surface of the first crossbeam (2) is provided with a clamping hole (21) adapted to the clamping structure (62); the clamping structure (62) moves downward in one direction along the length direction of the longitudinal beam (1) after contacting the clamping hole (21); a positioning groove (31) adapted to the I-shaped connecting block (71) is provided on one side surface of the second crossbeam (3); and a drop hole (32) adapted to the roller (73) is also provided on the surface of the second crossbeam (3); The fixing of the curtain wall unit body (4) is achieved by the clamping connection between the clamping structure (62) and the clamping hole (21) and the clamping connection between the I-shaped connecting block (71) and the positioning groove (31); The curtain wall unit body (4) comprises a frame body (41), a glass panel (42) is fixedly connected to one side of the frame body (41), and a cross-shaped partition plate (43) is fixedly connected to the inside of the frame body (41).

2. The assembled building glass curtain wall according to claim 1, characterized in that: The clamping structure (62) includes a shell (621), a partition (622) is fixedly connected to the middle part of the shell (621), and clamping plates (623) are slidably connected to the two sides of the shell (621), one side of the clamping plate (623) extends to the outside of the shell (621), and a fixed tube (624) is fixedly connected to the side of the clamping plate (623) close to the partition (622), and a supporting tube (625) is fixedly connected to the two sides of the partition (622) and located at a position corresponding to the fixed tube (624), the outer wall of the supporting tube (625) is slidably connected to the inner wall of the fixed tube (624), and a spring (626) is provided between the partition (622) and the clamping plate (623) and located inside the supporting tube (625).

3. The assembled building glass curtain wall according to claim 2, characterized in that: A fixing tooth is provided on one side of the clamping plate (623) extending to the outside of the shell (621); a fixing shell (22) is fixedly connected to one side of the bottom of the first crossbeam (2) and located at a position corresponding to the clamping hole (21); and a fixing groove adapted to the fixing tooth is provided on the inner wall of the fixing shell (22).

4. The assembled building glass curtain wall according to claim 1, characterized in that: The connecting plate (5) is a corrugated steel plate with a thickness of 1.5-2.5 mm, a wave height of 10-15 mm, and a wave length of 50-80 mm. The connecting plate (5) is fixed to the curtain wall unit body (4) by bolts, rivets or welding.

5. The assembled building glass curtain wall according to claim 1, characterized in that: An elastic damping block (8) is provided between one side of the clamping member (6) and the limiting connecting member (7) and the connecting plate (5), and the clamping member (6) and the limiting connecting member (7) and the connecting plate (5) are fixed by bolts or rivets.

6. The assembled building glass curtain wall according to claim 5, characterized in that: The elastic damping block (8) is made of a silica gel-carbon fiber composite material, and the thickness of the elastic damping block (8) is 15-25 mm.

7. The assembled building glass curtain wall according to claim 1, characterized in that: The I-shaped connecting block (71) comprises a first connecting plate (711), a second connecting plate (712) and a third connecting plate (713); the first connecting plate (711) and the third connecting plate (713) are arranged in parallel; the second connecting plate (712) is fixed between the first connecting plate (711) and the third connecting plate (713); and the width of the second connecting plate (712) is 0.5-2 mm smaller than the width of the positioning groove (31).

8. The assembled building glass curtain wall according to claim 1, characterized in that: The surface of the drop hole (32) is provided with a curved surface adapted to the roller (73), and the width of the drop hole (32) is greater than the width of the roller (73).

9. The assembled building glass curtain wall according to claim 1, characterized in that: A first clamping seat (9) is fixedly connected to both sides of the curtain wall unit body (4) and near the top, a first clamping head (10) adapted to the first clamping seat (9) is fixedly connected to both sides of the curtain wall unit body (4) and near the bottom, a second clamping seat (11) is fixedly connected to the middle of one side of the curtain wall unit body (4), and a second clamping head (12) adapted to the second clamping seat (11) is fixedly connected to the middle of the other side of the curtain wall unit body (4).

10. A construction method for an assembled building glass curtain wall according to claims 1-9, characterized in that: The following steps are involved: Step 1: Processing a clamping hole (21) and a mounting hole on the surface of the first crossbeam (2) according to preset dimensions, processing a positioning groove (31), a drop hole (32) and a mounting hole on the surface of the second crossbeam (3), and processing a mounting hole on the surface of the longitudinal beam (1); Step 2: Install the clamping member (6) on the surface of the connecting plate (5) according to the preset size, install the limiting connecting member (7) on the surface of another connecting plate (5), fix the connecting plate (5) on one side of the frame (41), and install the glass panel (42) on one side of the frame (41). Step 3: Install the longitudinal beam (1) on the wall, and install the first cross beam (2) and the second cross beam (3) on the surface of the longitudinal beam (1); Step 4: Lift the curtain wall unit (4) so ​​that the limiting connector (7) falls above the second cross beam (3), align the surface of the curtain wall unit (4) with the longitudinal beam (1), and slide the curtain wall unit (4) along the length direction of the second cross beam (3) so that the clamping structure (62) is clamped with the clamping hole (21), and the I-shaped connecting block (71) is clamped with the positioning groove (31); Step 5: Repeat step 4 to complete the installation of other curtain wall units (4).

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