CN218508212U - Steel construction landing stage primary truss and steel construction landing stage - Google Patents

Abstract

The utility model provides a steel construction landing stage owner truss and steel construction landing stage are luxurious truss setting, include: the chord members extend along the length direction and comprise upper chords and lower chords which are distributed along the height direction; the web member, including a plurality of perpendicular web members and a plurality of oblique web members, erect the web member and connect along vertical direction the upper chord with the lower chord, oblique web member sets up along the incline direction, and the tensioning is connected the upper chord with lower chord and adjacent erect the web member, oblique web member is pull rod or hinge line setting. Through setting up oblique web member for pull rod or stranded conductor setting, reduced the compressive stress requirement to oblique web member, the setting of pull rod or stranded conductor, when satisfying axial tension, the dead weight is light, the installation of being convenient for, and simple structure compares among the prior art conventional square steel pipe or pipe, can show reduction steel truss and use the steel volume, save material, and improve the installation effectiveness.

Description

Steel construction landing stage primary truss and steel construction landing stage

Technical Field

The utility model relates to a building structure technical field, concretely relates to steel construction landing stage girder and steel construction landing stage.

Background

The trestle is one of important structures of an enterprise supply system, external materials outside a plant, a material source in the plant, a processing system between storage bins and the like are connected through an internal material conveying belt, the materials can be coal materials and the like, and continuous supply of fuel required by daily operation of a factory is ensured. The material transporting trestle mainly comprises the following components according to the form of a bearing structure: the steel structure trestle has the advantages of attractive appearance, large span, quick construction, light dead weight and good anti-seismic performance, and is a trestle form which is most widely applied to energy enterprise construction.

The steel structure trestle mainly comprises main trusses on two sides, an upper chord truss and a lower chord truss, wherein the main trusses bear vertical loads transmitted by upper and lower horizontal supports, can also be used as frameworks of a lateral enclosure structure and mainly comprises an upper chord member, a lower chord member, an inclined web member and a vertical web member. In the prior art, in order to ensure the stable structure and sufficient bearing capacity of the rod piece, the upper chord member and the lower chord member are generally made of profile steel, and the inclined web members and the vertical web members are made of square steel pipes or round pipes.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the steel construction landing stage among the prior art and consuming the steel volume great, the higher defect of cost to a steel construction landing stage owner truss and steel construction landing stage are provided.

The utility model provides a steel construction landing stage main truss is the setting of haugh truss, include: the chord member extends along the length direction and comprises an upper chord and a lower chord which are distributed along the height direction; the web member, including a plurality of perpendicular web members and a plurality of oblique web members, erect the web member and connect along vertical direction the upper chord with the lower chord, oblique web member sets up along the incline direction, and the tensioning is connected the upper chord with lower chord and adjacent erect the web member, oblique web member is pull rod or hinge line setting.

The oblique abdomen spare is the steel construction material setting.

The steel construction landing stage main truss still includes: the connecting nodes are distributed along the length direction of the chord member, are respectively arranged on the upper chord member and the lower chord member and are arranged in a pairwise opposite mode, and the connecting nodes are respectively connected with the vertical web members and the inclined web members.

The connection node includes: the first gusset plate is provided with a first connecting part and a second connecting part which are arranged at intervals; the second gusset plate is arranged at the end part of the vertical web member and is detachably connected with the first connecting part; and the lock head piece is arranged at the end part of the oblique web piece and detachably connected with the second connecting part.

The first connecting portion comprises a plurality of first bolt holes which are evenly distributed, a plurality of second bolt holes and a plurality of high-strength bolt pieces are correspondingly arranged on the second gusset plate, and the high-strength bolt pieces are detachably connected with the first bolt holes and the second bolt holes.

The second connecting portion comprises a first pin hole, the locking head piece comprises a U-shaped locking head and a pin piece, the U-shaped locking head is provided with a second pin hole, the U-shaped locking head is clamped on the first gusset plate, the second pin hole corresponds to the first pin hole, and the pin piece is detachably connected with the first pin hole and the second pin hole.

The utility model provides a steel construction landing stage, include: at least two groups of the main trusses of the trestle bridge with the steel structure; and the horizontal supporting pieces are connected and arranged between the upper chord members and the lower chord members on the main trusses of the adjacent steel structure trestle, and are correspondingly arranged at the connecting positions of the vertical web members.

The steel construction landing stage still includes: and the plurality of reinforcing supporting pieces are connected and arranged between the adjacent horizontal supporting pieces.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a steel construction landing stage owner truss is the setting of haunted truss, include: the chord members extend along the length direction and comprise upper chords and lower chords which are distributed along the height direction; the web member, including a plurality of perpendicular web members and a plurality of oblique web members, erect the web member and connect along vertical direction the upper chord with the lower chord, oblique web member sets up along the incline direction, and the tensioning is connected the upper chord with lower chord and adjacent erect the web member, oblique web member is pull rod or hinge line setting.

It can be known through landing stage structural mechanics calculation and detection, be the steel construction landing stage main truss of luxurious setting, the oblique web member of landing stage both sides main truss always bears the pulling force effect, and vertical perpendicular web member always bears the pressure effect, be pull rod or stranded conductor setting through setting up oblique web member, the compressive stress requirement to oblique web member has been reduced, the setting of pull rod or stranded conductor, when satisfying axial tension, the dead weight is light, be convenient for install, and simple structure, compare conventional square steel pipe or pipe among the prior art, can show reduction steel truss and use the steel volume, save materials, and improve the installation effectiveness.

2. The utility model provides a steel construction landing stage main truss, the second connecting portion include first pinhole, the lock head spare is including the U-shaped tapered end and the pin spare that are provided with the second pinhole, the U-shaped tapered end clamping sets up on the first gusset plate, the second pinhole corresponds first pinhole sets up, pin spare detachably connects first pinhole with the second pinhole.

A single first pin hole is formed in the position, corresponding to the connecting position of the oblique web member, of the first gusset plate, a U-shaped cable head is sleeved on the side of the first gusset plate during installation, after a second pin hole in the lock head is aligned with the first pin hole in the first gusset plate, a pin is inserted, installation is completed, construction is simple and convenient, the oblique web member is completely hinged with the connecting node, the oblique web member is arranged, connection stability can be guaranteed, and on the premise that enough tensile strength is achieved, compared with the mode that the oblique web member is connected through the bolt and the gusset plate in the prior art, the arrangement area of the second connecting portion on the first gusset plate is reduced, the size and the quality of the lock head member are reduced, the arrangement size of the first gusset plate can be reduced, the material cost of the connecting node is reduced, and the dead weight of a main truss of a steel structure trestle is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a main truss of a steel trestle provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a main truss of a trestle with a steel structure in the prior art;

FIG. 3 is a schematic perspective view of a trestle with a steel structure in the prior art;

fig. 4 is a schematic structural diagram of the upper chord member of the main truss of the steel trestle shown in fig. 1 at the position of a connecting node;

FIG. 5 is a schematic structural diagram of a connecting node on an upper chord of a main truss of a steel trestle in the prior art;

fig. 6 is a schematic force diagram of an inclined web member on a main truss of a steel structure trestle in the prior art.

Description of the reference numerals:

1-upper chord; 2-lower chord; 3-erecting a web member; 4-oblique belly piece; 5-a first gusset plate; 51-a first connection; 52-a second connection; 6-a second gusset plate; 7-locking head piece; 8-a horizontal support; 9-reinforcing the support.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 6, the present embodiment provides a main truss of a steel trestle, including: chord members and web members.

Wherein, chord member extends the setting along length direction, includes upper chord 1 and lower chord 2 along the direction of height distribution setting, and in this embodiment, chord member is straight rod-like setting, and upper chord 1 and lower chord 2 are parallel to each other, and isometric flush setting, preferably, upper chord 1 and lower chord 2 are the single-rod. As an alternative embodiment, the upper chord 1 and the lower chord 2 may be provided in a triangular configuration or the like.

The web member comprises a plurality of vertical web members 3 and a plurality of inclined web members 4, the vertical web members 3 are connected with the upper chord member 1 and the lower chord member 2 along the vertical direction, preferably, each vertical web member 3 is a straight rod, is arranged at equal intervals and is parallel to each other. Each diagonal web member 4 is arranged along the inclined direction, specifically is a pull rod or a hinge line, is tensioned and connected between the adjacent vertical web members 3, and is correspondingly connected at the connecting position of the vertical web members 3 and the upper chord 1 at one end and correspondingly connected at the connecting position of the vertical web members 3 and the lower chord 2 at the other end. In this embodiment, the main truss of the steel trestle is a haunware truss, specifically, the chord members are arranged along the center line of the height direction, the inclined web members distributed on both sides of the center line are different in inclination direction, and are symmetrically arranged along the center line, and the inclined web members on the same side are arranged in parallel.

As shown in fig. 6, it can be known through the mechanics calculation and detection of the trestle structure that the steel structure trestle main truss that is luxurious set up, oblique web member 4 of trestle both sides main truss always bears the pulling force effect, and vertical web member 3 always bears the pressure effect, through setting up oblique web member 4 for pull rod or stranded conductor setting, the compressive stress requirement to oblique web member 4 has been reduced, the setting of pull rod or stranded conductor, when satisfying axial tension, the dead weight is light, be convenient for install, and the structure is simple, compare conventional square steel pipe or pipe among the prior art, can show reduction steel truss with the steel volume, save material, and improve the installation effectiveness.

In this embodiment, the tilting web members 4 are made of steel structure, specifically high strength steel tie rods or steel strands, and as an alternative embodiment, the tilting web members 4 may be made of composite material, such as carbon fiber composite material.

The steel structure trestle main truss still includes a plurality of connected nodes, and each connected node sets up along chord member's length direction evenly spaced distribution, sets up respectively on last chord member 1 and lower chord member 2 to along two liang of relative settings in direction of height, connected node connects respectively and erects web member 3 and oblique web member 4. As an alternative embodiment, the connection node may be eliminated, the vertical web member 3 is welded to the upper chord member 1 and the lower chord member 2, and the diagonal web member is connected to the upper chord member 1 and the lower chord member 2 at a position close to the end of the vertical web member 3.

In this embodiment, the connection node includes: a first gusset plate 5, a second gusset plate 6, and a locking member 7.

The first gusset plate 5 is in the shape of a trapezoid plate, and a first connecting portion 51 and a second connecting portion 52 are spaced apart from each other. The second gusset plate 6 is arranged in a square plate shape, the end part of the vertical web member 3 is provided with a slot which can accommodate and fixedly connect with the second gusset plate 6, and the second gusset plate 6 is detachably connected with the first connecting part 51; the locking head member 7 is provided at an end of the diagonal web member 4 and detachably connected to the second connecting portion 52.

As an alternative embodiment, the second gusset plate 6 and the locking member 7 may be fixedly connected to the first connecting portion 51 and the second connecting portion 52, respectively.

Specifically, in this embodiment, the first connecting portion 51 includes four first bolt holes uniformly distributed, and the second gusset plate 6 is correspondingly provided with four second bolt holes and four high-strength bolt pieces, and the high-strength bolt pieces detachably connect the first bolt holes and the second bolt holes.

The second connecting portion 52 includes a single first pin hole, the locking member 7 includes a U-shaped locking head provided with a second pin hole and a pin member, the U-shaped locking head is clamped on the first gusset plate 5, the second pin hole is arranged corresponding to the first pin hole, and the pin member detachably connects the first pin hole and the second pin hole.

A single first pin hole is formed in the connecting position, corresponding to the oblique web member 4, of the first node plate 5, a U-shaped cable head is sleeved on the side of the first node plate 5 during installation, after a second pin hole in a lock head is aligned with the first pin hole in the first node plate 5, a pin is inserted, installation is completed, construction is simple and convenient, the oblique web member 4 is completely hinged with the connecting node, the connection is stable, and on the premise that enough tensioning strength is achieved, compared with the mode that the bolt and the node plate are connected in a matched mode in the prior art, the setting area of the second connecting portion 52 on the first node plate 5 is reduced, the size and the quality of the lock head member 7 are reduced, the setting size of the first node plate 5 can be reduced, the material cost of the connecting node is reduced, and the dead weight of a steel structure trestle main truss is reduced.

This embodiment still provides a steel construction landing stage, including two sets of foretell steel construction landing stage primary truss and a plurality of horizontal support piece 8. As a changeable embodiment, the main trusses of the steel structure trestle can be provided with a plurality of groups.

Specifically, in this embodiment, two sets of steel structure trestle main trusses are arranged side by side, two corresponding sets of chord members are arranged in a grid-like arrangement and are connected and arranged through the horizontal support members 8, in this embodiment, the horizontal support members 8 are arranged in a straight rod shape and are connected between the upper chord members 1 on the adjacent main trusses and between the lower chord members 2 on the adjacent main trusses, and further, the horizontal support members 8 are in one-to-one correspondence with the vertical web members 3 and are correspondingly connected and arranged at positions close to the ends of the vertical web members 3.

Further, steel construction landing stage still includes strengthens support piece 9, connects to set up between adjacent horizontal support piece 8, and in this embodiment, strengthens support piece 9 and includes two stiffeners, specifically, the stiffener is the V-arrangement and sets up the symmetry, and two tops are connected at the tip of horizontal support piece 8 with one side to be connected with last chord 1 or lower chord 2, the middle part at the horizontal support piece 8 of opposite side is connected to its single bottom. The arrangement of the horizontal support members 8 and the reinforcing support members 9 forms a horizontal truss, which improves structural stability and effectively transfers horizontal loads. As an alternative embodiment, the two reinforcing bars may be arranged crosswise, as another alternative embodiment, the two reinforcing bars may be arranged spaced apart, and as another alternative embodiment, the reinforcing bars may be provided in plurality.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (8)

1. The utility model provides a steel construction landing stage owner truss, is the setting of haute truss, its characterized in that includes:

the chord member extends along the length direction and comprises an upper chord member (1) and a lower chord member (2) which are distributed along the height direction;

abdomen member, including a plurality of perpendicular web members (3) and a plurality of oblique web member (4), erect web member (3) and connect along vertical direction go up chord member (1) with lower chord member (2), oblique web member (4) set up along the incline direction, and the tensioning is connected go up chord member (1) with lower chord member (2) and adjacent erect web member (3), oblique web member (4) are pull rod or hinge setting.

2. The main truss of a steel trestle according to claim 1, wherein the diagonal web members (4) are made of steel.

3. The steel structure trestle main truss of claim 1 or 2, further comprising:

the connecting nodes are distributed along the length direction of the chord member, are respectively arranged on the upper chord member (1) and the lower chord member (2) and are arranged oppositely in pairs, and are respectively connected with the vertical web members (3) and the inclined web members (4).

4. The steel structure trestle primary truss of claim 3, wherein the connection node comprises:

the first gusset plate (5) is provided with a first connecting part (51) and a second connecting part (52) which are arranged at intervals;

the second gusset plate (6) is arranged at the end part of the vertical web member (3) and is detachably connected with the first connecting part (51);

and the locking head piece (7) is arranged at the end part of the oblique abdominal piece (4) and is detachably connected with the second connecting part (52).

5. The steel structure trestle main truss of claim 4,

the first connecting portion (51) comprises a plurality of first bolt holes which are evenly distributed, a plurality of second bolt holes and a plurality of high-strength bolt pieces are correspondingly arranged on the second gusset plate (6), and the high-strength bolt pieces are detachably connected with the first bolt holes and the second bolt holes.

6. The main truss of the steel structure trestle according to claim 4 or 5,

the second connecting portion (52) comprises a first pin hole, the locking head piece (7) comprises a U-shaped locking head and a pin piece, the U-shaped locking head is arranged on the first gusset plate (5) in a clamping mode, the second pin hole corresponds to the first pin hole, and the pin piece is detachably connected with the first pin hole and the second pin hole.

7. The utility model provides a steel construction landing stage which characterized in that includes:

at least two groups of the steel structure trestle main trusses of any one of claims 1-6;

a plurality of horizontal support pieces (8) are connected and arranged between the upper chord members (1) and the lower chord members (2) on the main trusses of the steel structure trestle, and are correspondingly arranged at the connecting positions of the vertical web members (3).

8. The steel structural trestle of claim 7, further comprising:

and the plurality of reinforcing supporting pieces are connected and arranged between the adjacent horizontal supporting pieces.

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