Large-span special-shaped double-layer upright quadrangular pyramid net rack roof and construction method

Abstract

The invention relates to a large-span special-shaped double-layer upright quadrangular pyramid net rack roof and a construction method. A large-span special-shaped double-layer upright quadrangular pyramid net rack roof structure, a large-span special-shaped roof supporting column beam system, a net rack roof sectional assembly adjustable jig frame structure and a special-shaped roof auxiliary installation support auxiliary falling position adjusting device are researched and developed. The double-layer upright quadrangular pyramid grid structure has extremely high overall stability and bearing capacity, can effectively resist the influence of natural disasters such as strong wind and earthquakes, ensures the safety of buildings, and can obtain better technical, economic and social benefits when being applied to actual engineering.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering, and in particular to a large-span special-shaped double-layer upright quadrangular pyramid grid roof and a construction method thereof. Background Art

[0002] With the continuous development of my country's construction industry, spatial steel grid structures have been widely used in my country's construction projects. While people pursue practicality, they are also constantly seeking beautiful and unique shapes for buildings, and spatial steel grids provide convenience in this regard. Large-span steel structures are increasingly used in real life, such as large gymnasiums, theaters, etc. However, there are many problems in the construction process such as low efficiency and difficult quality control in the processing of large-span special-shaped grid roof units, selection of support systems, and installation and placement.

[0003] To sum up, for the construction of large-span special-shaped double-layer upright tetrahedral grid roof, it is very important to seek a large-span special-shaped double-layer upright tetrahedral grid roof with fast construction speed, simple operation, and high reliable construction quality and its construction method. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a large-span special-shaped double-layer upright tetrahedral grid roof and a construction method thereof.

[0005] To achieve the above technical objectives, the present invention adopts the following technical solutions: a large-span special-shaped double-layer upright tetrahedral grid roof, comprising: a large-span special-shaped double-layer upright tetrahedral grid roof structure, a large-span special-shaped roof support column and beam system, a grid roof segmented assembly adjustable frame structure, and a special-shaped roof auxiliary installation bracket auxiliary placement adjustment device;

[0006] The large-span special-shaped double-layer upright tetrahedral grid roof structure is composed of multiple tetrahedral grid roof units. The tetrahedral grid roof units are processed by assembling an adjustable tire frame. The ordinary welding balls and the cut crown welding balls are placed on the adjustable ordinary welding ball brackets and the adjustable cut crown welding ball brackets respectively, and are welded with lower chord bars, diagonal web bars, and upper chord bars.

[0007] The supporting column and beam system of the large-span special-shaped roof includes steel columns, welded box beams, and rectangular tube beams. A fixed ball joint support is arranged on the upper part of the steel column. The steel column is made of welded box columns and adopts two forms: vertical steel tube column and inclined steel tube column. The tops of the steel columns are connected by welded box beams, and rectangular tube beams are arranged at intervals from bottom to top at other positions between the steel columns.

[0008] The structure of the segmented assembled adjustable tire frame of the grid roof includes square steel, an adjustable common welded ball bracket, an assembled adjustable tire frame, a connecting rod, a sleeve joint, a solid joint, an adjustable crown-cut welded ball bracket, and a pin bolt; the assembled adjustable tire frame is provided with a slide groove and a connecting hole, and sleeve joints and solid joints are provided on both sides of the assembled adjustable tire frame, and the sleeve joints and solid joints are provided with connecting holes; the adjustable common welded ball bracket is made of 1 / 3 hollow iron ball and threaded rod and is installed in the slide groove position, which can be adjusted according to the The ball is moved according to the designed spacing of the common welding ball, and the height is adjusted according to the spacing of the common welding ball and the crown-cut welding ball; a plurality of assembled adjustable tire frames are connected longitudinally through a solid joint and a sleeve joint is inserted, and a latch bolt is arranged in the connecting hole to form a whole; the assembled adjustable tire frames are connected transversely through a connecting rod to form a whole; an adjustable crown-cut welding ball bracket is installed at the longitudinal connection position of the plurality of assembled adjustable tire frames through a separate steel plate, and the adjustable crown-cut welding ball bracket has the same structure as the adjustable common welding ball bracket;

[0009] The auxiliary positioning adjustment device of the auxiliary installation bracket of the special-shaped roof utilizes an assembled adjustable tire frame unit to form a supporting foundation, and is connected to the embedded parts of the concrete floor, on which a bracket unit is installed, and the bracket units are formed as a whole by fixing bolts; a jacking platform is arranged on the assembled adjustable tire frame unit, and an anti-slip fixing sleeve is arranged on the jacking platform, and a jack is installed in the anti-slip fixing sleeve; an anti-displacement steel plate is welded on the bracket unit; a perforated positioning plate is arranged on the anti-displacement steel plate, and a sliding hole is reserved on the perforated positioning plate; a bottom plate is welded on the bottom bracket unit; a column is inserted into the sliding hole, and a cross bar is arranged on the top, and two fixed ordinary welded ball brackets are welded on the cross bar; the bottom of the column is fixed to the beam ear plate by fixing bolts; an ear plate is arranged at the position of the reserved sliding hole of the beam perforated positioning plate; the jack adjusts the height of the fixed ordinary welded ball bracket by jacking the column.

[0010] Furthermore, the upper chord ball of the tetrahedral pyramid grid roof is a crown-cut welded ball, the upper chord rod of the tetrahedral pyramid grid roof is a rectangular tube, the lower chord ball of the tetrahedral pyramid grid roof is an ordinary welded ball, the diagonal web rod and the lower chord rod of the tetrahedral pyramid grid roof are circular tubes; the tetrahedral pyramid grid roof is connected to the top of the steel column through a finished fixed ball hinge support to form a curved variable grid structure with a low middle and high surroundings.

[0011] Furthermore, the assembled adjustable tire frame is made of square steel.

[0012] Furthermore, the fixed common welding ball bracket supports the common welding ball, thereby adjusting the height of the tetrahedral grid roof unit, and after the column adjustment is completed, a pad support is placed on the bottom plate.

[0013] The present invention also provides a construction method for the large-span special-shaped double-layer upright quadrangular pyramid grid roof, and its main construction steps are as follows:

[0014] Step 1: Construction of large-span special-shaped roof support column and beam system:

[0015] A fixed ball joint support is set on the upper part of the steel column; the steel column is processed and manufactured by welding box columns, and adopts two forms: vertical steel pipe columns and inclined steel pipe columns. The tops of the steel columns are connected by welded box beams, and rectangular tube beams are arranged at intervals from bottom to top at other positions between the steel columns.

[0016] Step 2: Assemble the adjustable tire frame:

[0017] The assembled adjustable tire frame is made of square steel, and is provided with slide grooves and connection holes;

[0018] Sleeve joints and solid joints are arranged on both sides of the assembled adjustable tire frame, and connection holes are arranged on the sleeve joints and solid joints; the adjustable common welding ball bracket is made of 1 / 3 hollow iron ball and threaded rod and installed in the slide slot, and moves according to the design spacing of the common welding ball, and adjusts the height according to the spacing between the common welding ball and the crown-cut welding ball; multiple assembled adjustable tire frames are inserted into the sleeve joints through the solid joints in the longitudinal direction, and the latch bolts are arranged in the connection holes to form a whole;

[0019] The assembled adjustable tire frames are connected horizontally to form a whole through connecting rods; an adjustable crown-cut welding ball bracket is installed at the longitudinal connection position of multiple assembled adjustable tire frames through a separate steel plate, and the adjustable crown-cut welding ball bracket has the same structure as the adjustable ordinary welding ball bracket;

[0020] Step 3: Processing of tetrahedral grid roof:

[0021] The tetrahedral grid roof unit is processed by assembling an adjustable tire frame, and the common welding balls and the cut crown welding balls are placed on the adjustable common welding ball bracket and the adjustable cut crown welding ball bracket respectively, and then the lower chord, the diagonal web and the upper chord are welded in sequence, and finally the tetrahedral grid roof unit is assembled according to the design requirements;

[0022] Step 4: Construction of auxiliary installation bracket for special-shaped roof:

[0023] The support foundation is formed by assembling adjustable tire frame units and connected with the embedded parts of the concrete floor, on which the bracket units are installed, and the bracket units are integrally formed by fixing bolts;

[0024] A lifting platform is arranged on the assembled adjustable tire frame unit, an anti-slip fixed sleeve is arranged on the lifting platform, and a jack is installed in the anti-slip fixed sleeve; an anti-shift steel plate is welded on the bracket unit;

[0025] A positioning plate with holes is arranged on the anti-shifting steel plate, and sliding holes are reserved on the positioning plate with holes; a bottom plate is welded on the bottom bracket unit; the column is inserted into the sliding hole, a cross bar is arranged on the top, and two fixed common welded ball brackets are welded on the cross bar;

[0026] The bottom of the column is fixed to the ear plate of the beam by fixing bolts; the ear plate is set at the position of the sliding hole reserved in the positioning plate with holes of the beam;

[0027] Step 5: Adjust the position of the tetrahedral grid roof:

[0028] The jack adjusts the height of the fixed common welding ball bracket by lifting the column, wherein the fixed common welding ball bracket supports the common welding ball, thereby adjusting the height of the tetrahedral grid roof unit. After the column adjustment is completed, a pad support is placed on the bottom plate.

[0029] The present invention has the following characteristics and beneficial effects:

[0030] 1. The double-layer upright tetrahedral pyramid grid structure adopted in the present invention has extremely strong overall stability and bearing capacity, can effectively resist the influence of natural disasters such as strong winds and earthquakes, ensure the safety of buildings, and can achieve good technical, economic and social benefits when applied to actual projects.

[0031] 2. The grid roof structure of the present invention adopts a modular design and is manufactured by assembling an adjustable frame structure in sections, thereby improving the processing quality and efficiency of the components.

[0032] 3. The present invention adopts a large-span special-shaped roof support column and beam system, which improves the stability of the support columns and beams. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the supporting column and beam system of a large-span special-shaped roof;

[0034] Figure 2 This is a schematic diagram of the installation of a large-span, special-shaped, double-layer, upright, quadrangular pyramid grid roof;

[0035] Figure 3 It is a schematic diagram of a large-span, special-shaped, double-layer, upright, quadrangular pyramid grid roof;

[0036] Figure 4 It is a three-dimensional schematic diagram of the preliminary processing of the tetrahedral pyramid grid roof unit;

[0037] Figure 5 It is a three-dimensional schematic diagram of the welding of the upper chord of the tetrahedral grid roof unit;

[0038] Figure 6 It is a three-dimensional schematic diagram of the assembly of the tetrahedral grid roof unit;

[0039] Figure 7 It is a schematic diagram of the large sample of the assembled adjustable tire frame (I);

[0040] Figure 8 It is a schematic diagram of the assembly of the adjustable tire frame (II);

[0041] Fig. 9 It is a schematic diagram of assembling an adjustable tire frame;

[0042] Fig.10 This is a schematic diagram of the auxiliary installation bracket for special-shaped roofs;

[0043] Fig.11 This is a schematic diagram of the foundation of the auxiliary installation bracket of the special-shaped roof;

[0044] Fig.12 This is a schematic diagram of the top of the auxiliary installation bracket of the special-shaped roof;

[0045] Fig.13 This is a schematic diagram of the anti-shift steel plate;

[0046] Fig.14 This is a schematic diagram of the bottom fixing of the column.

[0047] In the figure: 1. Steel column; 2. Welded box beam; 3. Rectangular tube beam; 4. Fixed ball joint support; 5. Four-cornered pyramid grid roof; 6. Ordinary welded ball; 7. Cut-crown welded ball; 8. Lower chord; 9. Diagonal web bar; 10. Upper chord; 11. Square steel; 12. Adjustable ordinary welded ball bracket; 13. Assembled adjustable tire frame; 14. Connecting rod; 15. Connection hole; 16. Sleeve joint; 17. Solid joint; 18. Slide; 19. Reserved hole; 20. Adjustable cut-crown welding Ball bracket; 21. Latch bolt; 22. Cross bar; 23. Column; 25. Anti-displacement steel plate; 26. Fixing bolt; 27. Cross beam; 28. Jack; 29. ​​Anti-slip fixing sleeve; 30. Lifting platform; 31. Auxiliary installation bracket for special-shaped roof; 32. Bracket unit; 33. Expanded steel plate; 34. Positioning plate with holes; 35. Sliding hole; 36. Ear plate; 37. Pad; 38. Separate steel plate; 39. Bottom plate; 40. Fixed ordinary welded ball bracket. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0049] Those skilled in the art should understand that, in the disclosure of the present application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present application.

[0050] Figure 1 This is a schematic diagram of the supporting column and beam system of a large-span special-shaped roof; Figure 2 This is a schematic diagram of the installation of a large-span, special-shaped, double-layer, upright, quadrangular pyramid grid roof; Figure 3 It is a schematic diagram of a large-span, special-shaped, double-layer, upright, quadrangular pyramid grid roof; Figure 4 It is a three-dimensional schematic diagram of the preliminary processing of the tetrahedral pyramid grid roof unit; Figure 5 It is a three-dimensional schematic diagram of the welding of the upper chord of the tetrahedral grid roof unit; Figure 6 It is a three-dimensional schematic diagram of the assembly of the tetrahedral grid roof unit;

[0051] Figure 7 It is a schematic diagram of the large sample of the assembled adjustable tire frame (I); Figure 8 It is a schematic diagram of the assembly of the adjustable tire frame (II); Fig. 9 It is a schematic diagram of assembling an adjustable tire frame; Fig.10 This is a schematic diagram of the auxiliary installation bracket for special-shaped roofs; Fig.11 This is a schematic diagram of the foundation of the auxiliary installation bracket of the special-shaped roof; Fig.12 This is a schematic diagram of the top of the auxiliary installation bracket of the special-shaped roof; Fig.13 This is a schematic diagram of the anti-shift steel plate; Fig.14 This is a schematic diagram of the bottom fixing of the column.

[0052] Example 1

[0053] Referring to the figures, a large-span special-shaped double-layer upright tetrahedral grid roof comprises: a steel column 1, a welded box beam 2, a rectangular tube beam 3, a fixed ball hinge support 4, a tetrahedral grid roof 5, a common welded ball 6, a cut crown welded ball 7, a lower chord 8, a diagonal web bar 9, an upper chord 10, a square steel 11, an adjustable common welded ball bracket 12, an assembled adjustable tire frame 13, a connecting rod 14, a connecting hole 15, a sleeve joint 16, a solid joint 17, a slide 18, a reserved hole 19, an adjustable cut crown welded ball bracket 20, a pin bolt 21, a cross bar 22, a column 23, an anti-displacement Steel plate 25, fixing bolts 26, cross beam 27, jack 28, anti-slip fixing sleeve 29, lifting platform 30, special-shaped roof auxiliary installation bracket 31, bracket unit 32, expanded steel plate 33, positioning plate with holes 34, sliding hole 35, ear plate 36, pad 37, separate steel plate 38, bottom plate 39, fixed ordinary welded ball bracket 40; developed a large-span special-shaped double-layer upright four-corner pyramid grid roof structure, a large-span special-shaped roof support column and beam system, a grid roof segmented assembly adjustable tire frame structure, and a special-shaped roof auxiliary installation bracket auxiliary positioning adjustment device.

[0054] The large-span special-shaped double-layer upright tetrahedral grid roof structure is composed of tetrahedral grid roof 5 units, the upper chord ball is a crown-cut welded ball 7, the upper chord rod 10 is a rectangular tube, the lower chord ball is an ordinary welded ball 6, and the diagonal web rod 9 and the lower chord rod 8 are round tubes. The tetrahedral grid roof 5 is connected to the top of the steel column 1 through the finished fixed ball hinge support to form a curved surface variable grid structure with a low middle and high surroundings, which ensures the beauty and stability of the grid structure;

[0055] The supporting column and beam system of the large-span special-shaped roof consists of a steel column 1, a welded box beam 2, and a rectangular tube beam 3. A fixed ball joint support 4 is arranged on the upper part of the steel column 1. The steel column 1 is processed and manufactured by a welded box column, and two forms of vertical steel tube column and inclined steel tube column are adopted. The tops of the steel columns 1 are connected by welded box beams 2, and rectangular tube beams 3 are arranged at intervals from bottom to top at other positions between the steel columns 1 to improve the stability of the supporting column and beam.

[0056] The structure of the segmented assembled adjustable tire frame of the grid roof is composed of square steel 11, an adjustable common welded ball bracket 12, an assembled adjustable tire frame 13, a connecting rod 14, a sleeve joint 16, a solid joint 17, a slide 18, an adjustable crown-cut welded ball bracket 20, a latch bolt 21, etc.; the assembled adjustable tire frame 13 is made of square steel 11, and is provided with a slide 18 and a connecting hole 15; sleeve joints 16 and solid joints 17 are provided on both sides of the assembled adjustable tire frame 13, and both the sleeve joints 16 and the solid joints 17 are provided with connecting holes 15; the adjustable common welded ball bracket 12 is made of 1 / 3 hollow iron ball and threaded rod and is installed at the slide 18 position, mainly through the adjustable common welded ball bracket The enlarged steel plate 33 at the bottom of the frame 12 cooperates with the slide groove 18, moves according to the design spacing of the ordinary welding ball 6, and adjusts the height according to the spacing between the ordinary welding ball 6 and the cut crown welding ball 7; a plurality of assembled adjustable tire frames 13 are connected longitudinally through a solid joint 17 to insert the sleeve joint 16, and a latch bolt 21 is arranged in the connecting hole 15 to form a whole; the assembled adjustable tire frames 13 are connected transversely through the connecting rod 14 to pass through the reserved hole 19 on the adjustable tire frame 13 to form a whole; an adjustable cut crown welding ball bracket 20 is installed at the longitudinal connection position of the plurality of assembled adjustable tire frames 13 through a separate steel plate 38, and the adjustable cut crown welding ball bracket 20 has the same structure as the adjustable ordinary welding ball bracket 12;

[0057] The four-corner pyramid grid roof 5 units are processed by assembling an adjustable tire frame 13, and the common welding balls 6 and the crown-cut welding balls 7 are respectively placed on the adjustable common welding ball bracket 12 and the adjustable crown-cut welding ball bracket 20, and then the lower chord 8, the diagonal web 9, and the upper chord 10 are welded in sequence, and finally the four-corner pyramid grid roof 5 units are assembled according to the design requirements;

[0058] The auxiliary positioning adjustment device for auxiliary installation brackets of special-shaped roofs uses an assembled adjustable tire frame 13 unit to form a supporting foundation, and is connected to the embedded parts of the concrete floor, on which a bracket unit 32 is installed, and the bracket units 32 are formed as a whole by fixing bolts 26; a jacking platform 30 is arranged on the assembled adjustable tire frame 13 unit, and an anti-slip fixed sleeve 29 is arranged on the jacking platform 30, and a jack 28 is installed in the anti-slip fixed sleeve 29; an anti-displacement steel plate 25 is welded on the bracket unit 32; a perforated positioning plate 34 is arranged on the anti-displacement steel plate 25, and a sliding hole 35 is reserved on the perforated positioning plate 34; the bottom bracket unit A bottom plate 39 is welded on 32; a column 23 is inserted into the sliding hole 35, a cross bar 22 is arranged on the top thereof, and two fixed common welded ball brackets 40 are welded on the cross bar 22; the bottom of the column 23 is fixed to the ear plate 36 of the cross beam 27 by fixing bolts 26; the ear plate 36 is arranged at the position of the reserved sliding hole 35 on the perforated positioning plate 34 of the cross beam 27; the jack 28 adjusts the height of the fixed common welded ball bracket 40 by lifting the column 23, wherein the fixed common welded ball bracket 40 supports the common welded ball 6, and then adjusts the height of the unit of the tetrahedral truss roof 5, and after the adjustment of the column 23 is completed, a pad 37 is placed on the bottom plate 39 for support.

[0059] Example 2

[0060] The present invention also provides a construction method for a large-span special-shaped double-layer upright quadrangular pyramid grid roof, the main construction steps of which are as follows:

[0061] Step 1. Construction of supporting column and beam system for large-span special-shaped roof: It consists of steel column 1, welded box beam 2 and rectangular tube beam 3. A fixed ball joint support 4 is arranged on the upper part of steel column 1. Steel column 1 is processed and manufactured by welded box column, and two forms of vertical steel tube column and inclined steel tube column are adopted. The tops of steel columns 1 are connected by welded box beams 2, and rectangular tube beams 3 are arranged at intervals from bottom to top between other positions of steel columns 1 to improve the stability of supporting column and beam.

[0062] Step 2: Construction of the assembled adjustable tire frame: The assembled adjustable tire frame 13 is made of square steel 11, on which a slide groove 18 and a connection hole 15 are arranged; sleeve joints 16 and solid joints 17 are arranged on both sides of the assembled adjustable tire frame 13, and both the sleeve joints 16 and the solid joints 17 are provided with connection holes 15; the adjustable ordinary welding ball bracket 12 is made of 1 / 3 hollow iron ball and threaded rod and installed in the slide groove 18 position, and moves according to the design spacing of the ordinary welding ball 6, and cuts the crown according to the ordinary welding ball 6. The height of the welding balls 7 is adjusted by spacing; a plurality of assembled adjustable tire frames 13 are connected longitudinally by a solid joint 17 and a sleeve joint 16 is inserted, and a latch bolt 21 is arranged in a connecting hole 15 to form a whole; the assembled adjustable tire frames 13 are connected transversely by a connecting rod 14 to form a whole; an adjustable crown-cut welding ball bracket 20 is installed at the longitudinal connection position of the plurality of assembled adjustable tire frames 13 through a separate steel plate 38, and the adjustable crown-cut welding ball bracket 20 has the same structure as the adjustable ordinary welding ball bracket 12;

[0063] Step 3, processing of tetrahedral grid roof: 5 units of tetrahedral grid roof are processed by assembling an adjustable tire frame 13, and ordinary welding balls 6 and cut crown welding balls 7 are respectively placed on an adjustable ordinary welding ball bracket 12 and an adjustable cut crown welding ball bracket 20, and then the lower chord 8, the diagonal web 9, and the upper chord 10 are welded in sequence, and finally the 5 units of tetrahedral grid roof are assembled according to design requirements;

[0064] Step 4: Construction of auxiliary installation bracket for special-shaped roof: Use the assembled adjustable tire frame 13 units to form a support foundation, and connect it with the embedded parts of the concrete floor, on which the bracket units 32 are installed, and the bracket units 32 are formed into a whole by fixing bolts 26; a jacking platform 30 is set on the assembled adjustable tire frame 13 units, and an anti-slip fixed sleeve 29 is set on the jacking platform 30, and a jack 28 is installed in the anti-slip fixed sleeve 29; the bracket unit 32 is welded with an anti-slip fixed sleeve 29; The anti-displacement steel plate 25 is provided with a perforated positioning plate 34, and a sliding hole 35 is reserved on the perforated positioning plate 34; a bottom plate 39 is welded on the bottom bracket unit 32; the column 23 is inserted into the sliding hole 35, and a cross bar 22 is arranged on the top thereof, and two fixed common welded ball brackets 40 are welded on the cross bar 22; the bottom of the column 23 is fixed to the ear plate 36 of the cross beam 27 by fixing bolts 26; the ear plate 36 is arranged at the position of the reserved sliding hole 35 of the perforated positioning plate 34 of the cross beam 27;

[0065] Step 5, the position adjustment of the tetrahedral grid roof 5: the jack 28 adjusts the height of the fixed common welded ball bracket 40 by lifting the column 23, wherein the fixed common welded ball bracket 40 supports the common welded ball 6, and then adjusts the unit height of the tetrahedral grid roof 5. After the adjustment of the column 23 is completed, a pad 37 is placed on the bottom plate 39 for support.

[0066] The parts not described in detail in this application are prior art, so this application does not describe them in detail.

[0067] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0068] Although this article uses more professional terms, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of this application; interpreting them as any additional restrictions is contrary to the spirit of this application.

[0069] The present application is not limited to the above-mentioned optimal implementation mode. Anyone can derive other forms of products under the inspiration of this application. However, no matter what changes are made in the shape or structure, all technical solutions that are the same or similar to those of the present application fall within the protection scope of the present application.

Claims

1. Long-span special-shaped double-layer upright quadrangular pyramid grid roof, characterized by: It includes a large-span special-shaped double-layer upright tetrahedral grid roof structure, a large-span special-shaped roof support column and beam system, a grid roof segmented assembly adjustable frame structure, and a special-shaped roof auxiliary installation bracket auxiliary positioning adjustment device; The large-span special-shaped double-layer upright tetrahedral grid roof structure is composed of a plurality of tetrahedral grid roof (5) units. The tetrahedral grid roof (5) units are processed by assembling an adjustable tire frame (13). Common welding balls (6) and crown-cut welding balls (7) are respectively placed on an adjustable common welding ball bracket (12) and an adjustable crown-cut welding ball bracket (20), and are welded with a lower chord (8), an oblique web bar (9), and an upper chord bar (10). The large-span special-shaped roof support column and beam system comprises a steel column (1), a welded box beam (2), and a rectangular tube beam (3); a fixed ball joint support (4) is arranged on the upper part of the steel column (1); the steel column (1) is processed and manufactured by welding box columns, and adopts two forms of vertical steel tube columns and inclined steel tube columns; the tops of the steel columns (1) are connected by welded box beams (2); and rectangular tube beams (3) are arranged at intervals from bottom to top at other positions between the steel columns (1) for connection; The grid roof segmented assembled adjustable tire frame structure comprises square steel (11), an adjustable common welded ball bracket (12), an assembled adjustable tire frame (13), a connecting rod (14), a sleeve joint (16), a solid joint (17), an adjustable crown-cut welded ball bracket (20), and a latch bolt (21); the assembled adjustable tire frame (13) is provided with a slide groove (18) and a connecting hole (15); sleeve joints (16) and a solid joint (17) are provided on both sides of the assembled adjustable tire frame (13); the sleeve joints (16) and the solid joints (17) are both provided with connecting holes (15); the adjustable common welded ball bracket (12) is made of 1 / 3 hollow iron ball and threaded rod and is installed on the slide groove (18) and the connecting hole (15) is provided on the two sides of the assembled adjustable tire frame (13); The groove (18) can be moved according to the design spacing of the common welding ball (6), and the height can be adjusted according to the spacing between the common welding ball (6) and the cut crown welding ball (7); a plurality of assembled adjustable tire frames (13) are inserted into the sleeve joint (16) through a solid joint (17) in the longitudinal direction, and a latch bolt (21) is arranged in the connecting hole (15) to form a whole; the assembled adjustable tire frames (13) are formed as a whole through a connecting rod (14) in the transverse direction; an adjustable cut crown welding ball bracket (20) is installed at the longitudinal connection position of the plurality of assembled adjustable tire frames (13) through a separate steel plate (38), and the adjustable cut crown welding ball bracket (20) has the same structure as the adjustable common welding ball bracket (12); The auxiliary placement adjustment device of the auxiliary installation bracket (31) of the special-shaped roof uses an assembled adjustable tire frame (13) unit to form a support foundation, and is connected to the concrete floor embedded parts, on which a bracket unit (32) is installed, and the bracket units (32) are formed as a whole by fixing bolts (26); a jacking platform (30) is arranged on the assembled adjustable tire frame (13) unit, and an anti-slip fixed sleeve (29) is arranged on the jacking platform (30), and a jack (28) is installed in the anti-slip fixed sleeve (29); an anti-displacement steel plate (25) is welded on the bracket unit (32); a positioning plate (32) with holes is arranged on the anti-displacement steel plate (25); 4), a sliding hole (35) is reserved on the perforated positioning plate (34); a bottom plate (39) is welded on the bottom bracket unit (32); the column (23) is inserted into the sliding hole (35), a cross bar (22) is arranged on the top, and two fixed common welded ball brackets (40) are welded on the cross bar (22); the bottom of the column (23) is fixed to the ear plate (36) of the beam (27) by fixing bolts (26); the ear plate (36) is arranged at the position of the sliding hole (35) reserved on the perforated positioning plate (34) of the beam (27); the jack (28) adjusts the height of the fixed common welded ball bracket (40) by lifting the column (23).

2. The large-span special-shaped double-layer upright quadrangular pyramid grid roof according to claim 1 is characterized in that: The upper chord ball of the tetrahedral grid roof (5) is a truncated crown welded ball (7), the upper chord rod (10) of the tetrahedral grid roof (5) is a rectangular tube, the lower chord ball of the tetrahedral grid roof (5) is a common welded ball (6), and the diagonal web rod (9) and the lower chord rod (8) of the tetrahedral grid roof (5) are circular tubes; the tetrahedral grid roof (5) is steel-connected to the top of the steel column (1) through a finished fixed ball hinge support to form a curved surface variable grid structure with a low middle and high surroundings.

3. The large-span special-shaped double-layer upright quadrangular pyramid grid roof according to claim 1 is characterized in that: The assembled adjustable tire frame (13) is made from square steel (11).

4. The large-span special-shaped double-layer upright quadrangular pyramid grid roof according to any one of claims 1 to 3, characterized in that: The fixed common welding ball bracket (40) supports the common welding ball (6), thereby adjusting the unit height of the quadrangular pyramid grid roof (5). After the adjustment of the column (23) is completed, a pad (37) is placed on the bottom plate (39) for support.

5. The construction method of the large-span special-shaped double-layer upright quadrangular pyramid grid roof according to any one of claims 1 to 4, characterized in that: The following steps are involved: Step 1: Construction of large-span special-shaped roof support column and beam system: A fixed ball joint support (4) is arranged on the upper part of the steel column (1); the steel column (1) is processed and manufactured by welding box columns, and adopts two forms of vertical steel pipe columns and inclined steel pipe columns. The tops of the steel columns (1) are connected by welded box beams (2), and other positions between the steel columns (1) are connected by rectangular tube beams (3) arranged at intervals from bottom to top; Step 2: Assemble the adjustable tire frame: The assembled adjustable tire frame (13) is made of square steel (11) and is provided with a slide groove (18) and a connection hole (15); A sleeve joint (16) and a solid joint (17) are arranged on both sides of the assembled adjustable tire frame (13), and the sleeve joint (16) and the solid joint (17) are both provided with a connecting hole (15); the adjustable common welding ball bracket (12) is processed from a 1 / 3 hollow iron ball and a threaded rod and is installed at the position of the slide groove (18), and is moved according to the designed spacing of the common welding ball (6), and is height-adjusted according to the spacing between the common welding ball (6) and the crown-cut welding ball (7); a plurality of assembled adjustable tire frames (13) are longitudinally connected by inserting the sleeve joint (16) through the solid joint (17), and a latch bolt (21) is arranged in the connecting hole (15) to form a whole; The assembled adjustable tire frames (13) are connected to form a whole through connecting rods (14) in the transverse direction; an adjustable crown-cut welding ball bracket (20) is installed at the longitudinal connection position of the plurality of assembled adjustable tire frames (13) through a separate steel plate (38), and the adjustable crown-cut welding ball bracket (20) has the same structure as the adjustable common welding ball bracket (12); Step 3: Processing of tetrahedral grid roof: The tetrahedral grid roof (5) unit is processed by assembling an adjustable tire frame (13), and the common welding ball (6) and the cut crown welding ball (7) are respectively placed on the adjustable common welding ball bracket (12) and the adjustable cut crown welding ball bracket (20), and then the lower chord (8), the diagonal web (9), and the upper chord (10) are welded in sequence, and finally the tetrahedral grid roof (5) unit is assembled according to the design requirements; Step 4: Construction of auxiliary installation bracket for special-shaped roof: The support base is formed by assembling adjustable tire frame (13) units and connected to the concrete floor embedded parts, on which the bracket units (32) are installed, and the bracket units (32) are integrally formed by fixing bolts (26); A lifting platform (30) is arranged on the assembled adjustable tire frame (13) unit, an anti-slip fixed sleeve (29) is arranged on the lifting platform (30), and a jack (28) is installed in the anti-slip fixed sleeve (29); an anti-shift steel plate (25) is welded on the bracket unit (32); A perforated positioning plate (34) is arranged on the anti-displacement steel plate (25), and a sliding hole (35) is reserved on the perforated positioning plate (34); a bottom plate (39) is welded on the bottom bracket unit (32); the column (23) is inserted into the sliding hole (35), and a cross bar (22) is arranged on the top thereof, and two fixed common welded ball brackets (40) are welded on the cross bar (22); The bottom of the column (23) is fixed to the ear plate (36) of the cross beam (27) by means of fixing bolts (26); the ear plate (36) is arranged at the position of the reserved sliding hole (35) of the perforated positioning plate (34) of the cross beam (27); Step 5: Adjust the position of the tetrahedral grid roof (5): The jack (28) adjusts the height of the fixed common welding ball bracket (40) by lifting the column (23), wherein the fixed common welding ball bracket (40) supports the common welding ball (6), thereby adjusting the unit height of the quadrangular pyramid grid roof (5). After the column (23) is adjusted, a pad (37) is placed on the bottom plate (39) for support.

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