Novel hollow cantilever truss special-shaped node structure

Abstract

The utility model belongs to the technical field of node structures, and particularly relates to a novel hollow cantilever truss special-shaped node structure which comprises a stand column, two transverse rods are arranged on one side of the stand column, a plurality of web members are arranged between the two transverse rods, and supporting seats are arranged at the two ends of each web member and located on the end faces of the transverse rods. A plurality of special-shaped blocks are arranged on the end face of the supporting seat, a fixing ring is arranged above the special-shaped blocks, reinforcing ribs are arranged on the end face of the fixing ring, a base plate is arranged outside the connecting blocks, and the base plate is fixedly connected with a web member. According to the web member supporting device, the supporting base can support the web member from the interior, provide vertical supporting force for the web member and prevent the web member from inclining, the supporting base supports the web member by arranging the notches of the special-shaped blocks and the stress grooves formed by the special-shaped blocks, the horizontal stress of the web member can be effectively resolved, and the web member is more stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to node structure technical field, especially, relate to a new type of open web cantilever truss special node structure. BACKGROUND

[0002] Steel truss refers to the truss made of steel. The roof structure of industrial and civil buildings, crane beam, bridge and hydraulic gate, etc. often use steel truss as the main load-bearing component. Various towers, such as mast tower, television tower and power transmission line tower, etc. often use three, four or more plane truss to form a space steel truss, and the node is the structure of mutual connection of steel truss

[0003] Such as patent application number CN219364912U discloses a large cantilever steel truss node structure, including the connecting plate, the connecting plate is provided with movable slot in the periphery, the inside of connecting plate is installed with ring, the inside of movable slot is through the ring and is provided with connecting column, one end of connecting column is fixedly installed with fixed plate, one end of fixed plate is movably installed with clamping structure, the surface of clamping structure is installed with fixed structure. The utility model discloses a steel truss node structure formed by connecting plate, fixed plate, clamping structure and fixed structure, without cast steel node, the connection between the steel truss is completed through clamping structure and fixed structure, the manufacturing mode is relatively simple, the processing cycle is short, and the steel truss node structure formed has lower use cost, and is convenient for the use of daily steel truss structure.

[0004] In the prior art, by setting connecting plate, fixed plate and clamping structure, the use of cast steel node is reduced, and the processing cycle is reduced, but the prior art still has the following problems: first, in the open web cantilever truss, the connection of the web and the support rod is only used in the bottom by screw connection, and this connection mode makes the connection very weak and easy to tilt; second, the prior art makes the web shake when dealing with horizontal shear force, and the shaking easily causes the node to loosen, causing safety hazards. UTILITY MODEL CONTENTS

[0005] The utility model discloses in order to overcome the insufficient of prior art, provide a new type of open web cantilever truss special node structure, through setting up support seat and special-shaped block, can make support seat support web from inside, provide vertical support force to web, prevent web from tilting, through setting up the stress groove of the slot of special-shaped block and special-shaped block, make support seat support web, can effectively resolve the horizontal stress of web, make web more stable.

[0006] The utility model discloses in order to realize above-mentioned purpose, provide following technical scheme: a novel open-web cantilever truss special-shaped node structure, including stand, the one side of stand is provided with two cross bars, and the cross bar between two is provided with a plurality of web members, and the both ends of web member are provided with support seat on the end face of cross bar, and the end face of support seat is provided with a plurality of special-shaped blocks, and the top of special-shaped block is provided with fixed ring, and the end face of fixed ring is provided with reinforcing rib, and the both ends of web member all are provided with connecting block, and the outside of a plurality of connecting blocks is provided with the backing pad, and two connecting blocks are fixedly connected with backing pad, and backing pad is fixedly connected with web member.

[0007] Preferably, a plurality of fixed anchors are arranged between the connecting block and the backing plate.

[0008] Preferably, a plurality of the special-shaped blocks are provided with notches on one side, and reinforcing bolts are arranged on the end face formed by the notches, and the reinforcing bolts are fixedly connected with the support seat.

[0009] Preferably, a protrusion is arranged on the end face of the support seat, a plurality of the special-shaped blocks are uniformly arranged in a ring shape around the protrusion, a sleeve is arranged between the special-shaped blocks and the protrusion, and a plurality of positioning bolts are arranged on the outer surface of the web member, and the positioning bolts are threadedly connected with the sleeve.

[0010] Preferably, stress grooves are formed between a plurality of the special-shaped blocks.

[0011] Compared with the prior art, the beneficial effects of the present scheme are as follows:

[0012] (1) The support seat and the special-shaped blocks are arranged, so that the support seat supports the web member from the inside, provides vertical support force for the web member, prevents the web member from tilting, the sleeve is arranged, the both ends of the web member are connected with the support seat, and the stability of the web member is improved.

[0013] (2) The notches of the special-shaped blocks and the stress grooves composed of the special-shaped blocks are arranged, so that the support seat can effectively release the horizontal stress of the web member when supporting the web member, and the web member has better stability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is the side view of the utility model;

[0016] Figure 3 It is Figure 2 It is the sectional view of A-A in the utility model;

[0017] Figure 4 It is Figure 3 It is the local enlarged view of B in the utility model;

[0018] Figure 5 Structure diagram of support seat part;

[0019] Figure 6 Structure diagram of special-shaped block part;

[0020] In the figure: 1, the column; 2, the crossbar; 3, the web; 4, the support seat; 5, the special-shaped block; 6, the fixed ring; 7, the reinforcing rib; 8, the pad plate; 9, the connecting block; 10, the fixed anchor bolt; 11, the notch; 12, the reinforcing bolt; 13, the convex block; 14, the sleeve; 15, the positioning bolt; 16, the stress groove. DETAILED DESCRIPTION

[0021] In order to make the person in the art better understand the utility model scheme, below will combine the drawings in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described.

[0022] Example one:

[0023] Reference Figures 1-2 A new type of open-web cantilever truss special-shaped node structure, including column 1, one side of column 1 is provided with two crossbars 2, a plurality of webs 3 are arranged between two crossbars 2, the two ends of web 3 are provided with support seat 4 on the end face of crossbar 2, a plurality of special-shaped blocks 5 are arranged on the end face of support seat 4, the upper part of special-shaped block 5 is provided with fixed ring 6, the end face of fixed ring 6 is provided with reinforcing rib 7, the outside of a plurality of connecting blocks 9 is provided with pad plate 8, and pad plate 8 is fixedly connected with web 3.

[0024] In the scheme, web 3 is connected between two crossbars 2 through support seat 4, the two ends of web 3 are provided with through holes for connection, through holes can be arranged to connect web 3 with special-shaped block 5 and support seat 4, so that the two ends of web 3 are connected with support seat 4 through positioning bolt 15, realizing internal and external connection, making the two ends of web 3 more stable; pad plate 8 can disperse the load transmitted by web 3, reduce local pressure, and can increase friction, prevent web 3 from slipping, thereby improving the stability of web 3; fixed ring 6 is connected at the top of special-shaped block 5, a plurality of special-shaped blocks 5 are connected, thereby improving the stability of special-shaped block 5, and making the upper end face of special-shaped block 5 and convex block 13 be a plane, facilitating the installation of reinforcing rib 7, and making the inner ring surface of fixed ring 6 be sleeved on the outer circular surface of convex block 13, this arrangement can transmit the force received by fixed ring 6 to convex block 13, so that convex block 13 supports it; reinforcing rib 7 can provide internal support for web 3, thereby improving the stability of the device.

[0025] The two ends of web 3 are provided with connecting block 9, two connecting blocks 9 are fixedly connected with pad plate 8, and a plurality of fixed anchor bolts 10 are arranged between connecting block 9 and pad plate 8.

[0026] In the scheme, the connecting block 9 is annular, fixed at both ends of the web plate 3, which makes the web plate 3 easy to connect with the support base 4; the fixed anchor bolt 10 passes through the connecting block 9 and is fixedly connected with the horizontal plate 2 at the bottom of the base plate 8, which can fix the position of the web plate 3, so that the web plate 3 has stability.

[0027] One side of the plurality of special-shaped blocks 5 is provided with a notch 11, and the end face formed by the notch 11 is provided with a reinforcing bolt 12 fixedly connected with the support base 4.

[0028] In the scheme, the special-shaped block 5 is in the shape of "L", so that the upper end of the special-shaped block 5 is thin and the bottom is thick, and the cross section of the special-shaped block 5 is arc-shaped, which makes the special-shaped block 5 better fit the internal arc surface of the web plate 3 and the outer surface of the protrusion 13, so that the web plate 3 can be sleeved outside the special-shaped block 5, which is convenient for fixed installation, the bottom of the special-shaped block 5 is in contact with the protrusion 13, and the notch 11 of the upper part of the special-shaped block 5 has a certain distance from the protrusion 13 to form a gap, which can reduce the pressure on the special-shaped block 5 when the web plate 3 is inclined, so that the thin upper part of the special-shaped block 5 bends towards the gap, which plays a certain buffering role on the web plate 3.

[0029] The end face of the support base 4 is provided with a protrusion 13, a plurality of special-shaped blocks 5 are arranged around the protrusion 13, a sleeve 14 is arranged between the special-shaped block 5 and the protrusion 13, the outer surface of the web plate 3 is provided with a plurality of positioning bolts 15, the positioning bolts 15 are threadedly connected with the sleeve 14, and a stress groove 16 is formed between the plurality of special-shaped blocks 5.

[0030] In the scheme, the protrusion 13 can provide a certain supporting force for the special-shaped block 5, improving the stability of the special-shaped block 5; the sleeve 14 is fixedly connected with the protrusion 13 through the special-shaped block 5, which can make the positioning bolt 15 fixedly connect the web plate 3 with the protrusion 13, thereby providing support for the web plate 3.

[0031] During installation, first, the base is fixed on the opposite end faces of the two horizontal plates through the fixed anchor bolt 10, then the plurality of special-shaped blocks 5 are fixed on the end face of the support base 4 through the reinforcing bolt 12, and the special-shaped blocks 5 are arranged around the protrusion 13, and there is a gap between the plurality of special-shaped blocks 5, then the fixing ring 6 is fixed on the upper end face of the special-shaped block 5, and the inner annular face of the fixing ring 6 abuts against the outer surface of the protrusion 13, so that the upper end faces of the fixing ring 6 and the protrusion 13 are flat, then the plurality of reinforcing ribs 7 are respectively welded on the upper end face of the fixing ring 6, then the web plate 3 is sleeved outside the special-shaped block 5, then the positioning bolt 15 passes through the through hole on the surface of the web plate 3 and is threadedly connected with the sleeve 14, and finally the connecting block 9 is connected with the fixed anchor bolt 10.

[0032] As used in the specification and claims, certain terms have particular meanings. Those of skill in the art will understand that one or more embodiments described herein can use terminology particular to certain technologies. It is not intended that the description be limited to the embodiments described or by the terminology used. Rather, the description is intended to cover all alternatives, modifications, and equivalents. As used in the specification and claims, the singular forms "a," "an" and "the" include plural references unless the context clearly dictates otherwise. As used herein, the expression "and / or" means and. Or both. As used herein, the expression "at least one of' means one or more, or some. As used herein, the expression "wherein" means where in. Or where. As used herein, the expression "whereby" means whereby. Or by which. As used herein, the expression "comprising" means including, but not limited to, and the expression "comprises" means

[0033] It is to be understood that the terms "including", "comprising", "consisting" and "consisting essentially of" or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, has, contains or consists of any feature listed thereafter is not only those comprising, consisting, consisting essentially of, or consisting precisely of the listed feature. None of the features are mandatory and optional features can be added to the process, method, article, or apparatus.

[0034] The foregoing description illustrates and describes the only preferred embodiments of the application. However, it is to be understood that the application is not limited to the precise construction herein disclosed and the right is reserved with respect to all changes and modifications coming within the spirit or the scope of the application as claimed.

Claims

1. A novel hollow cantilever truss irregular node structure, comprising columns (1), characterized in that, Two horizontal bars (2) are provided on one side of the column (1), and multiple web bars (3) are provided between the two horizontal bars (2). Support seats (4) are provided at both ends of the web bars (3) on the end faces of the horizontal bars (2). Multiple irregular blocks (5) are provided on the end faces of the support seats (4). A fixing ring (6) is provided above the irregular blocks (5). A reinforcing rib (7) is provided on the end face of the fixing ring (6). Connecting blocks (9) are provided at both ends of the web bars (3). A pad (8) is provided on the outside of the multiple connecting blocks (9). Two connecting blocks (9) are fixedly connected to the pad (8). The pad (8) is fixedly connected to the web bars (3).

2. The novel hollow cantilever truss irregular node structure according to claim 1, characterized in that, Multiple anchor bolts (10) are provided between the connecting block (9) and the pad (8).

3. The novel hollow cantilever truss irregular node structure according to claim 1, characterized in that, A slot (11) is provided on one side of each of the multiple irregular blocks (5), and a reinforcing bolt (12) is provided on the end face formed by the slot (11), and the reinforcing bolt (12) is fixedly connected to the support base (4).

4. The novel hollow cantilever truss irregular node structure according to claim 3, characterized in that, The support base (4) has a protrusion (13) on its end face. Multiple irregular blocks (5) are evenly arranged in a ring around the protrusion (13). A sleeve (14) is provided between the irregular blocks (5) and the protrusion (13). Multiple positioning bolts (15) are provided on the outer surface of the web rod (3). The positioning bolts (15) are threadedly connected to the sleeve (14).

5. A novel hollow cantilever truss irregular node structure according to claim 3, characterized in that, Stress grooves (16) are formed between the plurality of the irregular blocks (5).

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