CN114197643A

CN114197643A - Large-span mountain-shaped shade shed structure

Info

Publication number: CN114197643A
Application number: CN202111567420.4A
Authority: CN
Inventors: 俞孔坚; 鲁昂; 王磊; 金磊; 宋菲
Original assignee: Beijing Earth Man City Planning Tsukito Design Inc
Current assignee: Beijing Earth Man City Planning Tsukito Design Inc
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-03-18
Anticipated expiration: 2041-12-20
Also published as: CN114197643B

Abstract

A large-span mountain-shaped shade shed structure comprises a plurality of supporting upright posts, ridge lines, cable nets and bidirectional vertical fasteners; the top ends of the supporting upright posts are connected with each other through ridge lines, a plurality of ridge line bearing triangles are connected with each other and form a mountain-shaped frame structure together with the supporting upright posts, the edge of the cable net is detachably fixed on the ridge lines, and the net surface naturally droops to simulate the slope surface of mountain fluctuation; the top of the supporting upright post is in vertical and bidirectional rotatable connection with the end part of the ridge line through a bidirectional vertical fastener; a plurality of cable net fixing fasteners are arranged on the ridge line, and the edges of the cable nets are detachably connected with the cable net fixing fasteners; the adjacent cable nets are detachably connected through buckles. This structure adopts flexible connected mode and the netted molding that hangs naturally, can release the two-way moment of flexure of ridge, and the ridge only transmits vertical and horizontal power to the support post, guarantees the safe firm of support post and ridge, removes complicated process such as stretch-draw, form finding simultaneously from to can satisfy the free creation of architect to the mountain form.

Description

Large-span mountain-shaped shade shed structure

Technical Field

The invention relates to a special-shaped shed roof building structure, and belongs to the technical field of structural design of constructional engineering.

Background

The large-span special-shaped space ceiling structure of the building usually adopts a cable net structure or a film structure. Existing cable-mesh structures are typically formed as a mesh structure by cross-linking flexible or rigid cables. The curved surface formed when the cable net structure is applied to the building with the heterosexual structure is generally a hyperbolic saddle surface, and the modeling form is limited. Because the cable net forms stronger acting force on the supporting structure, the cross section of the supporting structure at the lower part is required to be larger, and the appearance effect of the building is influenced. Meanwhile, the construction processes of tensioning, shape finding and the like of the cable net structure are complex, and the technical requirement is high. And the problems of higher maintenance cost and difficult maintenance after breakage exist.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a large-span mountain-shaped shade shed structure, which adopts a deformable connection mode and a natural suspension net-shaped model, can release the bidirectional bending moment of a ridge line, and the ridge line only transmits vertical and horizontal forces to a support upright post, thereby ensuring the safety and stability of the support upright post and the ridge line, simultaneously avoiding complex processes of tensioning, shape finding and the like, and meeting the requirement of an architect on the free creation of mountain shapes.

In order to achieve the purpose, the invention comprises the following technical scheme:

a large-span chevron awning structure, comprising: a plurality of supporting upright posts 1, ridge lines 2, cable nets 3 and bidirectional vertical fasteners 4; the top ends of the supporting upright posts 1 are connected with each other through ridge lines 2, a plurality of ridge line bearing triangles are connected with each other and form a mountain-shaped frame structure together with the supporting upright posts, the edge of the cable net 3 is detachably fixed on the ridge lines 2, and the net surface naturally droops to simulate the slope surface of mountain fluctuation;

the column foot of the support column 1 is fixed on the concrete foundation; the top of the supporting upright post 1 is connected with the end part of the ridge line 2 in a vertical and bidirectional rotatable way through a bidirectional vertical fastener 4;

the main body of the bidirectional vertical fastener 4 is in a quadrangular prism shape, two ends of the column are respectively provided with a longitudinal deep groove which is respectively used as a ridge line connecting part 41 and an ear plate connecting part 42, and the two groove bodies are mutually vertical; through holes are respectively arranged at two ends of the column body, which are vertical to the groove body, and are respectively a ridge line connecting hole 43 and an ear plate connecting hole 44; the ridge line connecting part 41 is rotatably connected with the ridge line 2, the ear plate connecting part 42 is rotatably connected with the supporting upright post 1, and the two rotating shafts are vertical to each other;

a plurality of cable net fixing fasteners 5 are arranged on the ridge line 2, and the edge of the cable net 3 is detachably connected with the cable net fixing fasteners 5; the adjacent cable nets are detachably connected through buckles 6.

As mentioned above, the specific connection structure of the supporting upright 1 and the ridge line 2 is preferably as follows: the top of the supporting upright post 1 is provided with one or more ear plates 5 vertical to the ground; the ear plate 5 is inserted into the ear plate connecting part 42 of the bidirectional vertical fastener 4, and the pin passes through the ear plate connecting hole 44 and the ear plate to rotatably connect the two;

two ends of the ridge line 2 are respectively provided with a connecting plugboard 21; the connection insertion plate 21 is inserted into the ridge line connection part 41 of the bidirectional vertical fastener 4, and the pin passes through the ridge line connection hole 43 and the connection insertion plate 21 to rotatably connect the two.

In the long-span mountain-shaped shade structure as described above, it is preferable that the deep groove of the ridge line connecting portion 41 communicates with the ear plate connecting hole 44.

In the large-span mountain-shaped shelter structure, preferably, the bidirectional vertical fasteners 4 are made of low alloy steel, and the external dimensions thereof are (105-125) cm × (55-65) cm × (25-30) cm; the deep groove of the ear plate connecting part 42 is 10-15 cm in width and 40-50 cm in depth; the deep groove width of the ridge line connecting part 41 is 10-15 cm; the inner diameter of the ear plate connecting hole 44 is 15.6-20.6 cm, and the outer diameter is 25.5-35.5 cm; the diameter of the ridge line connecting hole 43 is 12.6-20.6 cm.

In the large-span mountain-shaped shelter structure, preferably, the ear plates 5 are triangular steel plates, one side of each steel plate is welded to the top of the support column 1, the thickness of each steel plate is 80-120 mm, and the side length of each steel plate is 120-190 cm.

In the large-span mountain-shaped shelter structure, preferably, the main body of the support upright 1 is a steel support upright, and the column base is of an outer-wrapping rigid column base structure.

In the long-span mountain-shaped awning structure, the length of the support column 1 is preferably 5-55 m, and the diameter is preferably 60-200 cm.

As for the large-span mountain-shaped shade shed structure, preferably, the ridge line 2 is arc-shaped, the length is 6-60 m, and the diameter is 20-40 cm.

As described above, in the large-span mountain-shaped shade shed structure, it is preferable that the net fixing clip 5 includes a clip base 51 and a clip cover 52; two base bolt holes 53 are formed in the middle shaft of the fastener base 51, two U-shaped clamping grooves 54 are symmetrically formed in two sides of each bolt hole, and the size of each clamping groove corresponds to the outer diameter of the steel wire of the cable net; cover bolt holes 55 are formed in the positions of the fastener cover 52 corresponding to the base bolt holes 53.

The beneficial effects of the invention are as follows:

1. the structure uses the supporting upright posts as longitudinal supports, the ridge lines which are connected with the top ends of the upright posts in a triangular mode form a mountain-shaped frame structure, the cable net naturally hangs a slope surface which simulates the rise and fall of a mountain between frames which are surrounded by the ridge lines, the height and the distance of the upright posts are adjusted, the free creation of an architect on the mountain-shaped form can be realized, and the novel mountain-shaped modeling ceiling structure is provided.

2. The upright posts and the ridge line are connected in a bidirectional rotating mode through bidirectional vertical fasteners, and the ridge line approximately simulates the shape of a catenary. The structure ensures that the bidirectional bending moment of the ridge line is completely released, and the ridge line only transmits vertical and horizontal forces to the support upright post, thereby ensuring the stability of the support upright post and the ridge line. The use function of the device allows large deformation under the action of load, and can generate unconstrained rotation deformation under the action of wind load and earthquake load. Meanwhile, the connection mode can reduce the huge acting force of the cable net on the supporting structure, so that finer ridge lines and upright posts can be adopted, the structure is allowed to have larger span, and the maximum span reaches 60 m.

3. The cable net adopts a natural suspension form, and complex process procedures such as tensioning, shape finding and the like during installation are omitted.

4. The cable net and the ridge line are in a mechanical connection mode, welding is avoided, the detachability of the single cable net is ensured, and repairing and maintenance are convenient.

Drawings

Fig. 1 is a schematic view of a large-span mountain-shaped sunshade structure according to embodiment 1.

FIG. 2 is a schematic view of a mountain-shaped frame structure.

Fig. 3 is a schematic structural view of a mountain-shaped shade shed unit.

FIG. 4 is a schematic view of a bi-directional vertical fastener.

Fig. 5a is a schematic view of a connection structure of a support pillar and a ridge line.

Fig. 5b is a cross-sectional view taken along a-a of fig. 5 a.

Fig. 5c is a cross-sectional view taken along line B-B of fig. 5 a.

Fig. 6a is a schematic view of a connection structure of a ridge line and a cable net.

Fig. 6b is a schematic view of the connection structure of the fixing fastener and the cable net.

Fig. 7a is a schematic view of the connection structure between the cable nets.

Fig. 7b is a schematic view of a U-shaped buckle structure.

Fig. 8a is a three-dimensional structure view of the fastening device for fixing cable net.

FIG. 8b is a schematic view of a fastener base structure.

FIG. 8c is a schematic view of a fastener cover plate structure.

Fig. 9 is a schematic view of the use state of the large-span mountain-shaped sunshade.

Fig. 10 is a schematic view showing a use state of the large-span mountain-shaped sunshade.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1 Large-span mountain-shaped shade shed Structure

The large-span mountain-shaped shelter structure is shown in fig. 1, 3, 9 and 10 and mainly comprises a plurality of supporting upright posts 1, ridge lines 2, cable nets 3 and bidirectional vertical fasteners 4. The main body of the supporting upright post 1 is a steel supporting upright post, and a column base adopts an outer wrapping type rigid column base structure. The top ends of the supporting upright posts 1 are connected with each other through ridge lines 2, and a plurality of ridge line bearing triangles are connected with each other and form a mountain-shaped frame structure together with the supporting upright posts, as shown in fig. 2. The edge of the cable net 3 is detachably fixed on the ridge line 2, and the net surface naturally droops to simulate the slope surface of the mountain.

The structure of the bidirectional vertical fastener is shown in fig. 4, and the main body is in a quadrangular prism shape. Two ends of the column body are respectively provided with a longitudinal deep groove which is respectively used as a ridge line connecting part 41 and an ear plate connecting part 42, and the two groove bodies are mutually vertical. Through holes are respectively arranged at two ends of the column body, which are perpendicular to the groove body, and are a ridge line connecting hole 43 and an ear plate connecting hole 44 respectively. The deep groove of the ridge line connecting portion 41 communicates with the ear plate connecting hole 44. The two-way vertical fastener 4 is made of Q355C material. In a preferred embodiment, the external dimensions of the bi-directional vertical fastener are 105cm x 55cm x 25 cm. The ridge line connecting portion 41 has a deep groove width of 10 cm. The deep groove of the ear plate connecting part 42 has a width of 10cm and a depth of 40 cm. The ear plate attachment hole 44 has an inner diameter of 15.6cm and an outer diameter of 25.5 cm. The diameter of the ridgeline connecting hole 43 is 12.6 cm. The maximum stress bearing position of the bidirectional vertical fastener is positioned in the ridge line connecting hole 43, and the yield force is 8000 kN.

The connection structure of the supporting upright post and the ridge line is shown in figures 5a-5c and figure 4, and the top of the supporting upright post 1 is rotatably connected with the end part of the ridge line 2 through a bidirectional vertical fastener 4. One or more ear plates 5 vertical to the ground are welded at the top of the supporting upright post 1, each ear plate 5 is a triangular steel plate, the thickness of each steel plate is 80-120 mm, and the side length is 120-190 cm. One corner of the ear plate 5 is inserted into the deep groove of the ear plate connecting part 42 of the two-way vertical fastener 4, and the pin 46 passes through the ear plate connecting hole 44 and the ear plate to rotatably connect the two. The two ends of the ridge line 2 are respectively fixedly connected with the inserting plates 21, the connecting inserting plates 21 are inserted into the deep grooves of the ridge line connecting part 41 of the bidirectional vertical fastener 4, and the pin 45 penetrates through the ridge line connecting hole 43 and the connecting inserting plates 21 to rotatably connect the ridge line connecting hole and the connecting inserting plates 21.

The ridge line and cable net connecting structure is shown in fig. 6a and 6 b. The cable net is in a single piece type, and the shape of the cable net is consistent with a triangle enclosed by the ridge line. A plurality of cable net fixing fasteners 5 are welded on the ridge line 2, and the edges of the cable nets 3 are detachably connected with the cable net fixing fasteners 5. The structure of the fastening clip 5 is shown in fig. 6b, 8 a-8 c, and comprises a clip base 51 and a clip cover 52. Two base bolt holes 53 are formed in the middle shaft of the fastener base 51, two U-shaped clamping grooves 54 are symmetrically formed in the two sides of each bolt hole, the size of each clamping groove corresponds to the outer diameter of the steel wire 31 of the cable net, and cover plate bolt holes 55 are formed in the corresponding positions of the fastener cover plate 52 and the base bolt holes 53. As shown in fig. 6b, in the connection state of the ridge line and the net, the steel wires 31 of the net on both sides of the ridge line are respectively embedded into the two U-shaped slots 54 of the fastener base 51, and the fastener base 51 and the fastener cover plate 52 are fixed by the bolts 56.

As shown in fig. 7a and 7b, the adjacent cable nets 3 are detachably connected through U-shaped buckles 6.

The two-way vertical fastener adopted between the upright post and the ridge line realizes the connection capable of rotating in two directions, and the ridge line approximately simulates the shape of a catenary. The structure ensures that the bidirectional bending moment of the ridge line is completely released, the ridge line only transmits vertical and horizontal forces to the support upright post, and the support upright post and the ridge line are ensured to be safe and stable. The use function of the device allows large deformation under the action of load, and can generate unconstrained rotation deformation under the action of wind load and earthquake load. Meanwhile, the connection mode can reduce the huge acting force of the cable net on the supporting structure, so that thinner ridge lines and upright posts can be adopted, and the structure is allowed to have larger span,

the length of the structural support upright post 1 is 5-55 m, and the diameter is 60-200 cm. The ridge line 2 is arc-shaped, is made of Q355C, has the length of 6-60 m and the diameter of 20-40 cm. Through the length of adjusting stand height and ridge line, can realize the free creation of architect to the mountain form.

Fig. 9 and 10 are schematic views of the using state of the invention, and the mountain-shaped sunshade is novel in shape and has unique artistic effect.

Claims

1. The utility model provides a large-span chevron canopy structure which characterized in that, it includes: a plurality of supporting upright posts (1), ridge lines (2), cable nets (3) and bidirectional vertical fasteners (4); the top ends of the supporting upright posts (1) are connected with each other through ridge lines (2), a plurality of ridge line bearing triangles are connected with each other and form a mountain-shaped frame structure together with the supporting upright posts, the edge of the cable net (3) is detachably fixed on the ridge lines (2), and the net surface naturally droops to simulate the slope surface of mountain fluctuation;

the column foot of the support column (1) is fixed on the concrete foundation; the top of the supporting upright post (1) is connected with the end part of the ridge line (2) in a vertical and bidirectional rotatable way through a bidirectional vertical fastener (4);

the main body of the bidirectional vertical fastener (4) is in a quadrangular prism shape, two ends of the column body are respectively provided with a longitudinal deep groove which is respectively used as a ridge line connecting part (41) and an ear plate connecting part (42), and the two groove bodies are mutually vertical; through holes are respectively arranged at two ends of the column body, which are vertical to the groove body, and are respectively a ridge line connecting hole (43) and an ear plate connecting hole (44); the ridge line connecting part (41) is rotatably connected with the ridge line (2), the ear plate connecting part (42) is rotatably connected with the supporting upright post (1), and the two rotating shafts are vertical to each other;

a plurality of cable net fixing fasteners (5) are arranged on the ridge line (2), and the edge of the cable net (3) is detachably connected with the cable net fixing fasteners (5); the adjacent cable nets are detachably connected through buckles (6).

2. The large-span mountain shelter structure according to claim 1, wherein the specific connection structure of the supporting posts (1) and the ridge lines (2) is as follows: the top of the supporting upright post (1) is provided with one or more ear plates (5) vertical to the ground; the ear plate (5) is inserted into an ear plate connecting part (42) of the two-way vertical fastener (4), and the pin passes through the ear plate connecting hole (44) and the ear plate to rotatably connect the ear plate connecting part and the ear plate;

two ends of the ridge line (2) are respectively provided with a connecting plugboard (21); the connecting insertion plate (21) is inserted into a ridge line connecting part (41) of the bidirectional vertical fastener (4), and the pin passes through the ridge line connecting hole (43) and the connecting insertion plate (21) to rotatably connect the two.

3. The large-span mountain shelter structure as claimed in claim 1, wherein the deep groove of the ridge line connection part (41) communicates with the ear plate connection hole (44).

4. The large-span mountain shelter structure as claimed in claim 3, wherein the two-way vertical fasteners (4) are made of a low alloy steel material having external dimensions of (105-125) cm x (55-65) cm x (25-30) cm; the deep groove of the ear plate connecting part (42) is 10-15 cm in width and 40-50 cm in depth; the deep groove width of the ridge line connecting part (41) is 10-15 cm; the inner diameter of the ear plate connecting hole (44) is 15.6-20.6 cm, and the outer diameter is 25.5-35.5 cm; the diameter of the ridge line connecting hole (43) is 12.6-20.6 cm.

5. A large span mountain shelter structure as claimed in any one of claims 1 to 4, wherein the ear plates (5) are triangular steel plates, one side of which is welded to the top of the support post (1), the steel plates have a thickness of 80 to 120mm and a side length of 120 to 190 cm.

6. A large span mountain shelter structure as claimed in any one of claims 1 to 4, wherein the support post (1) body is a steel support post, the footer being of an overwrapped rigid footer structure.

7. A large span mountain shelter structure as claimed in any one of claims 1 to 4, wherein the support posts (1) have a length of 5 to 55m and a diameter of 60 to 200 cm.

8. The large-span mountain shelter structure as claimed in any one of claims 1 to 4, wherein the ridge line (2) is arc-shaped, 6 to 60m in length and 20 to 40cm in diameter.

9. The large-span mountain shelter structure according to claim 1, wherein the net-fixing clip (5) comprises a clip base (51) and a clip cover (52); two base bolt holes (53) are formed in the middle shaft of the fastener base (51), two U-shaped clamping grooves (54) are symmetrically formed in the two sides of each bolt hole, and the size of each clamping groove corresponds to the outer diameter of the steel wire of the cable net; the corresponding position of the fastener cover plate (52) and the base bolt hole (53) is provided with a cover plate bolt hole (55).