Connecting joint of Z-shaped purline and parapet wall boundary beam

Abstract

The utility model discloses a Z-shaped purline and parapet wall boundary beam connecting node, an L-shaped embedded plate is attached to an external corner of a parapet wall boundary beam and is fixed with the parapet wall boundary beam through a chemical anchor bolt, a horizontal steel plate is welded on a vertical section of the L-shaped embedded plate, a vertical embedded plate is attached to an internal corner of the parapet wall boundary beam and is fixed with the parapet wall boundary beam through a chemical anchor bolt, and the horizontal steel plate is welded on the vertical section of the L-shaped embedded plate. The horizontal section of the L-shaped buried plate extends to the internal corner of the parapet wall boundary beam and is fixedly welded to the lower end of the vertical buried plate, a notch is formed in the lower side of the end of the Z-shaped purline, and the Z-shaped purline is attached to the L-shaped buried plate through the notch. The lower horizontal plane of the Z-shaped purline is supported on the horizontal steel plate, the edge of the upper horizontal plane of the Z-shaped purline is attached to and fixedly welded to the vertical buried plate, the two sides of the middle vertical section are oppositely clamped and fixed through the square steel clamping plate matched with the high-strength bolts, the stiffening rib is arranged on the square steel clamping plate, and the lower ends of the square steel clamping plate and the stiffening rib are fixedly welded to the horizontal section of the L-shaped buried plate. According to the joint, the top elevation of the Z-shaped purline can be adjusted under the limitation that the top elevation of the parapet wall edge beam is not changed.

Description

Technical Field

[0001] The utility model relates to a roof metal enclosure system, in particular to a connection node between a Z-shaped purlin and a parapet wall side beam. Background Art

[0002] In the roof metal enclosure system, there are usually Z-shaped purlins and parapet side beam connection nodes. The traditional Z-shaped purlins and parapet side beam connection nodes are that the Z-shaped purlins are directly overlapped on the parapet side beams and fixed by embedded plates and chemical anchors. During design and construction, a special situation will be encountered: the original parapet side beam top elevation is required to remain unchanged, and the Z-shaped purlin top elevation can be adjusted within a certain range. At present, the traditional Z-shaped purlin and parapet side beam connection nodes cannot meet the requirements of the above special situation. Utility Model Content

[0003] The utility model aims to provide a connection node between a Z-shaped purlin and a parapet side beam, which node can flexibly adjust the top elevation of the Z-shaped purlin under the restriction that the top elevation of the parapet side beam remains unchanged, and ensures the stability of the node.

[0004] The technical solution adopted by the utility model is:

[0005] A Z-shaped purlin and parapet side beam connection node, comprising a Z-shaped purlin, a parapet side beam, an L-shaped embedded plate, a horizontal steel plate, a vertical embedded plate, a square steel clamp, a stiffening rib, a chemical anchor bolt and a high-strength bolt; the L-shaped embedded plate is attached to the positive corner of the parapet side beam and its vertical section and horizontal section are fixed to the parapet side beam by chemical anchor bolts, the horizontal steel plate is welded to the vertical section of the L-shaped embedded plate, the vertical embedded plate is attached to the negative corner of the parapet side beam and is fixed to the parapet side beam by chemical anchor bolts, and the L-shaped embedded plate water The flat section extends to the inner corner of the parapet side beam and is welded and fixed to the lower end of the vertical embedded plate. A notch is provided on the lower side of the end of the Z-shaped purlin, and the Z-shaped purlin is fitted on the L-shaped embedded plate through the notch. The lower horizontal surface of the Z-shaped purlin is supported on the horizontal steel plate, the edge of the upper horizontal surface is fitted with the vertical embedded plate and welded and fixed, and the two sides of the middle vertical section are clamped and fixed by square steel clamps and high-strength bolts. The stiffening ribs are arranged on the square steel clamps, and the lower ends of the square steel clamps and the stiffening ribs are welded and fixed to the horizontal section of the L-shaped embedded plate.

[0006] Preferably, the height of the notch of the Z-shaped purlin does not exceed one half of its own height.

[0007] Preferably, the height of the vertical section of the L-shaped embedded plate is not greater than three times the height of the notch of the Z-shaped purlin and not less than two times the height of the notch of the Z-shaped purlin.

[0008] Preferably, regarding the distribution of chemical anchors on the horizontal section of the L-shaped embedded plate and the high-strength bolts on the square steel clamp, their vertical projections are on the same horizontal line; regarding the distribution of chemical anchors on the vertical embedded plate and the high-strength bolts on the square steel clamp, their horizontal projections are on the same horizontal line.

[0009] Preferably, the chemical anchors on the vertical section of the L-shaped embedded plate are distributed on the upper and lower sides of the horizontal steel plate, and the distances between the chemical anchors on the upper and lower sides and the horizontal steel plate are equal and not greater than two-thirds of the distance from the horizontal steel plate to the bottom end of the vertical section of the L-shaped embedded plate.

[0010] Preferably, both the vertical section and the horizontal section of the L-shaped embedded plate are fixed to the parapet side beams by at least four chemical anchor bolts.

[0011] Preferably, the horizontal section of the L-shaped embedded plate is fixed to the vertical embedded plate by spot welding, and the square steel clamping plate and the stiffening rib are fixed to the horizontal section of the L-shaped embedded plate by full welding.

[0012] Preferably, the stiffening rib is in the shape of a trapezoid that is narrow at the top and wide at the bottom.

[0013] The beneficial effects of the utility model are:

[0014] In this node, the top elevation of the Z-shaped purlin can be flexibly adjusted by adjusting the notch height of the Z-shaped purlin under the restriction that the top elevation of the parapet side beam remains unchanged. In addition, the Z-shaped purlin and the parapet side beam are connected to form a whole through the L-shaped embedded plate, vertical embedded plate, square steel plywood and stiffening ribs, which ensures the stability of the node. In addition, the setting of the square steel plywood and stiffening ribs further weakens the shear damage to the enclosing structure caused by wind loads. In addition, the horizontal steel plate can also increase the lower support area of ​​the Z-shaped purlin, further enhancing the stability of the node. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereoscopic diagram of the connection node between the Z-shaped purlin and the parapet side beam in the embodiment of the utility model.

[0016] Figure 2 It is a front view of the connection node between the Z-shaped purlin and the parapet side beam in the embodiment of the utility model.

[0017] Figure 3 It is a left view of the connection node between the Z-shaped purlin and the parapet side beam in the embodiment of the utility model.

[0018] Figure 4 It is a top view of the connection node between the Z-shaped purlin and the parapet side beam in the embodiment of the utility model.

[0019] Figure 5 It is a schematic diagram of the connection between the L-shaped embedded plate and the horizontal steel plate in the embodiment of the utility model.

[0020] Figure 6 It is a schematic diagram of the assembly of square steel clamping plates, stiffening ribs and high-strength bolts in an embodiment of the utility model.

[0021] In the figure: 1- Z-shaped purlin; 2- parapet side beam; 3- L-shaped embedded plate; 4- horizontal steel plate; 5- vertical embedded plate; 6- square steel splint; 7- stiffening rib; 8- chemical anchor bolt; 9- high-strength bolt. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] This embodiment discloses a connection node between a Z-shaped purlin 1 and a parapet wall side beam 2, such as Figures 1 to 4 As shown, it includes Z-shaped purlin 1, parapet side beam 2, L-shaped embedded plate 3, horizontal steel plate 4, vertical embedded plate 5, square steel clamping plate 6, stiffening rib 7, chemical anchor bolt 8 and high-strength bolt 9; wherein:

[0024] The difference between the Z-shaped purlin 1 and the general Z-shaped purlin 1 is that a notch is provided at the lower side of its end. Figures 1 to 4 ;

[0025] The L-shaped embedded plate 3 is attached to the outer corner of the parapet wall side beam 2, and its vertical section and horizontal section are fixed to the parapet wall side beam 2 by chemical anchor bolts 8. The Z-shaped purlin 1 is attached to the L-shaped embedded plate 3 through the notch. Figures 1 to 4 ;

[0026] The horizontal steel plate 4 is welded to the vertical section of the L-shaped buried plate 3, and the lower horizontal surface of the Z-shaped purlin 1 is supported on the horizontal steel plate 4. Figures 1 to 5 ;

[0027] The vertical embedded plate 5 is attached to the inner corner of the parapet side beam 2 and fixed to the parapet side beam 2 by chemical anchor bolts 8. The horizontal section of the L-shaped embedded plate 3 extends to the inner corner of the parapet side beam 2 and is welded and fixed to the lower end of the vertical embedded plate 5. The upper horizontal edge of the Z-shaped purlin 1 is attached to the vertical embedded plate 5 and welded and fixed. Figures 1 to 4 ;

[0028] The square steel clamping plate 6 is fixed on both sides of the middle vertical section of the Z-shaped purlin 1 with high-strength bolts 9. Figures 1 to 4 , Figure 6 ;

[0029] The stiffening rib 7 is arranged on the square steel clamping plate 6. The lower ends of the square steel clamping plate 6 and the stiffening rib 7 are welded and fixed to the horizontal section of the L-shaped embedded plate 3. Figures 1 to 4 , Figure 6 .

[0030] The construction process of this node is:

[0031] First, a notch is opened on the Z-shaped purlin 1 according to the top elevation of the parapet side beam 2, the height of the Z-shaped purlin 1, the thickness of the L-shaped embedded plate 3 and the required top elevation of the Z-shaped purlin 1, so as to ensure that the top elevation of the Z-shaped purlin 1 reaches the standard when it is subsequently attached to the L-shaped embedded plate 3 through the notch;

[0032] Then, the L-shaped embedded plate 3 is attached to the outer corner of the parapet wall side beam 2, and the vertical section and the horizontal section of the L-shaped embedded plate 3 are fixed to the parapet wall side beam 2 through the chemical anchor bolts 8;

[0033] Then, the Z-shaped purlin 1 is fitted on the L-shaped embedded plate 3 through the notch, and the horizontal steel plate 4 is welded on the vertical section of the L-shaped embedded plate 3 so that the horizontal steel plate 4 fits the lower horizontal surface of the Z-shaped purlin 1;

[0034] Then, the square steel clamping plate 6 is used with high-strength bolts 9 to clamp and fix the two sides of the middle vertical section of the Z-shaped purlin 1, and the lower ends of the square steel clamping plate 6 and the stiffening rib 7 are welded and fixed to the horizontal section of the L-shaped embedded plate 3;

[0035] Then select a vertical embedded plate 5 of appropriate thickness and insert it into the inner corner of the parapet side beam 2 so that its two sides are respectively in contact with the inner corner of the parapet side beam 2 and the end face of the Z-shaped purlin 1, fix the vertical embedded plate 5 to the parapet side beam 2 through chemical anchor bolts 8, and then weld the horizontal section of the L-shaped embedded plate 3 to the lower end of the vertical embedded plate 5, and weld the upper horizontal edge of the Z-shaped purlin 1 to the vertical embedded plate 5.

[0036] According to the above scheme, it can be known that: in this node, by adjusting the notch height of the Z-shaped purlin 1, the top elevation of the Z-shaped purlin 1 can be flexibly adjusted under the restriction that the top elevation of the parapet side beam 2 remains unchanged, and the Z-shaped purlin 1 and the parapet side beam 2 are connected to form a whole through the L-shaped embedded plate 3, the vertical embedded plate 5, the square steel plywood 6 and the stiffening rib 7, thereby ensuring the stability of the node. In addition, the setting of the square steel plywood 6 and the stiffening rib 7 further weakens the shear damage to the enclosing structure caused by wind loads, and the horizontal steel plate 4 can also increase the lower support area of ​​the Z-shaped purlin 1, further enhancing the stability of the node.

[0037] In order to avoid damage to the structural strength, in this embodiment, preferably: the height of the notch of the Z-shaped purlin 1 does not exceed half of its own height.

[0038] In order to improve the structural reliability and stability, in the present embodiment, preferably: the height of the vertical section of the L-shaped embedded plate 3 is not more than three times the height of the notch of the Z-shaped purlin 1 and not less than two times the height of the notch of the Z-shaped purlin 1; regarding the distribution of the chemical anchors 8 on the horizontal section of the L-shaped embedded plate 3 and the high-strength bolts 9 on the square steel clamp plate 6, the vertical projections of the two are on the same horizontal line; regarding the distribution of the chemical anchors 8 on the vertical embedded plate 5 and the high-strength bolts 9 on the square steel clamp plate 6, the horizontal projections of the two are on the same horizontal line; the chemical anchors 8 on the vertical section of the L-shaped embedded plate 3 are distributed on the upper and lower sides of the horizontal steel plate 4, and the spacing between the chemical anchors 8 on the upper and lower sides and the horizontal steel plate 4 is equal and not more than two-thirds of the distance from the horizontal steel plate 4 to the bottom end of the vertical section of the L-shaped embedded plate 3; the vertical section and the horizontal section of the L-shaped embedded plate 3 are fixed to the parapet side beam 2 by at least four chemical anchors 8.

[0039] In this embodiment, preferably: the horizontal section of the L-shaped embedded plate 3 is fixed to the vertical embedded plate 5 by spot welding, and the square steel clamping plate 6 and the stiffening rib 7 are fixed to the horizontal section of the L-shaped embedded plate 3 by full welding.

[0040] In this embodiment, preferably, the stiffening rib 7 is in a trapezoidal shape that is narrow at the top and wide at the bottom.

[0041] In this embodiment, the square steel clamp plate is 620 mm thick and the chemical anchor bolt 8 is M14.

[0042] The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

Claims

1. A connection node between a Z-shaped purlin and a parapet wall side beam, characterized in that: It includes Z-shaped purlins, parapet side beams, L-shaped embedded plates, horizontal steel plates, vertical embedded plates, square steel plywood, stiffening ribs, chemical anchor bolts and high-strength bolts; the L-shaped embedded plate is attached to the positive corner of the parapet side beam and its vertical and horizontal sections are fixed to the parapet side beam through chemical anchor bolts, the horizontal steel plate is welded to the vertical section of the L-shaped embedded plate, the vertical embedded plate is attached to the negative corner of the parapet side beam and fixed to the parapet side beam through chemical anchor bolts, and the horizontal section of the L-shaped embedded plate extends to the parapet side The Z-shaped purlin is welded and fixed to the lower end of the vertical embedded plate at the inner corner of the beam. A notch is provided on the lower side of the end of the Z-shaped purlin. The Z-shaped purlin is fitted on the L-shaped embedded plate through the notch. The lower horizontal surface of the Z-shaped purlin is supported on the horizontal steel plate, the edge of the upper horizontal surface is fitted with the vertical embedded plate and welded and fixed, and the two sides of the middle vertical section are clamped and fixed by square steel clamps with high-strength bolts. The stiffening ribs are arranged on the square steel clamps, and the lower ends of the square steel clamps and the stiffening ribs are welded and fixed to the horizontal section of the L-shaped embedded plate.

2. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The notch height of the Z-shaped purlin shall not exceed one half of its own height.

3. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The height of the vertical section of the L-shaped embedded plate shall not be greater than three times the height of the notch of the Z-shaped purlin and shall not be less than two times the height of the notch of the Z-shaped purlin.

4. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: Regarding the distribution of chemical anchors on the horizontal section of the L-shaped embedded plate and the high-strength bolts on the square steel clamp, the vertical projections of the two are on the same horizontal line; regarding the distribution of chemical anchors on the vertical embedded plate and the high-strength bolts on the square steel clamp, the horizontal projections of the two are on the same horizontal line.

5. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The chemical anchor bolts on the vertical section of the L-shaped embedded plate are distributed on the upper and lower sides of the horizontal steel plate. The spacing between the chemical anchor bolts on the upper and lower sides and the horizontal steel plate is equal and not greater than two-thirds of the distance from the horizontal steel plate to the bottom end of the vertical section of the L-shaped embedded plate.

6. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The vertical section and the horizontal section of the L-shaped embedded plate are fixed to the parapet side beams by at least four chemical anchor bolts.

7. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The horizontal section of the L-shaped embedded plate is fixed to the vertical embedded plate by spot welding, and the square steel clamping plate and the stiffening rib are fully fixed to the horizontal section of the L-shaped embedded plate by welding.

8. The Z-shaped purlin and parapet wall side beam connection node according to claim 1, characterized in that: The stiffening ribs are trapezoidal in shape, narrow at the top and wide at the bottom.

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