CN213508479U - Assembled steel purlin - Google Patents

Abstract

The utility model belongs to the technical field of the foundation ditch construction, especially, relate to an assembled steel encloses purlin. It still includes including setting up the wall body on the fender pile: the force transmission piece is of a rigid structure, and the upper part and the lower part of the force transmission piece are respectively connected with the fender post and the enclosure body; the upper part of the force transmission piece is fixedly connected with the top end of the fender post; the lower part of the force transmission piece is fixedly connected with the body of the enclosure . The assembled steel enclosing purlin of the utility model can reduce the lateral stress of the enclosing pile while maintaining the planar structure of the enclosing pile by changing the acting force of the assembled steel enclosing purlin on the enclosing pile; the acting force part of the steel enclosing purlin on the enclosing pile is transferred to the top of the enclosing pile through the force transferring piece to replace a capping beam to form a capping stabilizing effect.

Description

Assembled steel purlin

Technical Field

The utility model belongs to the technical field of the foundation ditch construction, especially, relate to an assembled steel encloses purlin.

Background

A horizontal inner support is required to be arranged when a foundation pit is excavated in a deep soft soil stratum, and a steel purlin or a waist beam of the horizontal inner support must be closely connected with a vertical fender post of the foundation pit. Namely, the main function of the steel purlin in practical use is to stabilize the plane shape of the fender pile, improve the structural stability of the fender pile and keep the configuration of the fender pile.

And the steel encloses the purlin and need adopt structures such as bracket, angle brace or bracket to carry out further fixed usually to avoid receiving factors such as vibrational force influence to produce fore-and-aft displacement in foundation ditch construction process, lead to actual use effect relatively poor, produce the potential safety hazard even.

And the steel purlin itself has great weight promptly, and bearing structure such as bracket, angle brace or bracket has further increased the side direction load of fender pile, consequently the fender pile need further set up structures such as capping beam, hat beam at the top and further fix it to ensure the structural stability of fender pile. The construction of the capping beam, the crown beam and other structures is complex and low in efficiency, so that the stress form of the fender pile after the steel fender purlin is loaded is changed, and the structural stability of the fender pile is improved, thereby having great significance.

Disclosure of Invention

For solving current steel purlin and having formed great load to the fender pile, though be favorable to improving the structural stability of fender pile, keep the plane shape of fender pile, nevertheless produced great side direction effort to the fender pile, need cooperate capping beam and crown beam isotructure to carry out the complex problem, the utility model provides an assembled steel purlin.

The utility model aims to provide a:

firstly, the structural stability of the arrangement of the steel purlin is improved;

changing the stress form of the fender post, and reducing the lateral stress of the fender post;

thirdly, indirectly act on the fender pile top with the effort of steel purlin, improve fender pile's stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

An assembled steel purlin, includes the wall body that sets up on the fender pile, still includes:

the force transmission piece is of a rigid structure, and the upper part and the lower part of the force transmission piece are respectively connected with the fender post and the enclosure body;

the upper part of the force transmission piece is fixedly connected with the top end of the fender post;

the lower part of the force transmission piece is fixedly connected with the body of the enclosure .

As a preference, the first and second liquid crystal compositions are,

the force transmission piece is T-shaped steel;

the T-shaped steel comprises an upper plate body at the upper part and a lower plate body at the lower part;

the upper plate body is fixedly connected with the top end of the fender post, and the lower plate body is fixedly connected with the enclosure body.

As a preference, the first and second liquid crystal compositions are,

the force transmission piece is cap-shaped steel;

the hat-shaped steel comprises an upper plate body at the upper part, an outer lower plate body and an inner lower plate body at the lower part;

the outer lower plate body is fixedly connected with the body .

As a preference, the first and second liquid crystal compositions are,

and the inner lower plate body of the cap-shaped steel is embedded and fixed at the inner side of the fender post.

As a preference, the first and second liquid crystal compositions are,

the force transmission piece is special-shaped steel;

the special-shaped section steel is provided with a reinforcing plate;

the reinforcing plate is inwardly abutted against the outer surface of the fender post.

As a preference, the first and second liquid crystal compositions are,

the outer surface of the fender post is provided with a concave surface;

the reinforcing plate is abutted against the concave surface of the outer surface of the fender post and is fixedly connected with the concave surface.

The utility model has the advantages that:

1) the assembled steel enclosing purlin of the utility model can reduce the lateral stress of the enclosing pile while maintaining the planar structure of the enclosing pile by changing the acting force of the assembled steel enclosing purlin on the enclosing pile;

2) the acting force part of the steel enclosing purlin on the enclosing pile is transferred to the top of the enclosing pile through the force transferring piece to replace a capping beam to form a capping stabilizing effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of a force-transmitting member arrangement;

figure 3 is a schematic view of the mounting of an alternative force transfer member arrangement;

FIG. 4 is a schematic sectional view of the outer convex surface of the force-transmitting member made of the deformed steel after being installed;

FIG. 5 is a schematic cross-sectional view of the outer concave surface of the force-transmitting member of the deformed steel after being installed;

in the figure: 100 fender posts, 101 outer convex surfaces, 102 outer concave surfaces, 200 force transmission pieces, 200a special-shaped steel, 200b hat-shaped steel, 200c special-shaped steel, 201a, 201b and 201c upper plate bodies, 202a and 202c lower plate bodies, 202b1 outer lower plate bodies, 202b2 inner lower plate bodies, 203c reinforcing plates, 300 surrounding bodies and 400 foundation pits.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

The utility model provides an assembled steel purlin as shown in fig. 1, in the in-process of foundation ditch 400 construction, need set up fender pile 100 around foundation ditch 400 sideline in order to realize keeping off the effect waterproof and strut usually, and the utility model discloses assembled steel purlin sets up fixes the plane shape of fender pile 100 at fender pile 100 surface, and it specifically includes:

a body 300 and a force transfer member 200 of enclosure ;

the enclosure body 300 is spliced by two or more pieces of section steel with the same type and length, can be of any commercially available or steel enclosure purlin structure obtained by ordinary technical means by technicians in the field, and is attached and fixed on the outer convex surface 101 of the enclosure pile 100 to prevent the planar shape of the enclosure pile 100 from being deformed under the action of external force;

the force transmission piece 200 is fixedly connected with the top end of the fender pile 100 and the enclosure body 300, after the existing fender pile 100 is arranged, a steel purlin is required to be arranged on the outer surface of the fender pile 100, which is far away from the side line of the foundation pit 400, to fix the plane shape of the fender pile, a capping beam is required to be arranged at the top of the fender pile 100 to anchor and compress the top, so that the stability of the arrangement of the fender pile 100 is improved, the existing capping beam is prepared in a reinforced concrete mode, the reinforced concrete capping beam is poured according to the prior art, the cost is high, the construction speed is slow, the enclosure body 300 and the fender pile 100 form a whole through the arrangement of the force transmission piece 200, the weight of the enclosure body 300 acts on the top of the fender pile 100 through the force transmission piece 200 to form an effect similar to the capping beam, the fender pile 100 is pressed, and the advantages of high efficiency, convenience and rapidness in construction are achieved, and under, can form certain pull-up effect to enclosing body 300, form an ascending effort, can offset to a certain extent the gravity that encloses body 300 and receive, improve and enclose body 300's installation and set up stability, reduce and enclose body 300 and install the longitudinal displacement who produces after fixing.

Further, the force transmission piece 200 is a T-shaped steel 200a as shown in fig. 2, and is composed of an upper plate body 201a and a lower plate body 202a, the upper plate body 201a is fixedly connected with the top of the fender post 100, and can be fixed by common fixing methods such as welding or anchoring, in this embodiment, the upper plate body is fixed by welding, the lower plate body 202a can be fixed with the upper end face of the apron body 300 by common fixing methods such as welding or anchoring, in this embodiment, the lower plate body is fixed by welding;

after the force transmission piece 200 is arranged, the weight of the enclosure body 300 indirectly acts on the top of the enclosure pile 100 under the action of the T-shaped steel 200a force transmission piece 200 to press the enclosure pile 100, so that an effect similar to a capping beam is formed, an upward pulling force is formed on the enclosure body 300, downward longitudinal displacement generated by the enclosure body 300 under the action of gravity can be reduced, and the enclosure pile 100 and the enclosure body 300 form a more stable integral structure.

Further, the force transmission piece 200 is a cap-shaped steel 200b as shown in fig. 3, and is composed of an upper plate body 201b, an outer lower plate body 202b1 and an inner lower plate body 202b2, the bottom ends of the outer lower plate body 202b1 and the inner lower plate body 202b2 are both in a 90-degree hook shape, the outer lower plate body 202b1 and the enclosure body 300 form a larger contact surface, and can form a more stable fixed connection with the enclosure body 300, the upper plate body 201b is also fixedly connected with the top of the enclosure pile 100, in this embodiment, the fixed connection modes of the force transmission piece 200 of the cap-shaped steel 200b, the top of the enclosure pile 100 and the enclosure body 300 are both fixed by welding, and the inner lower plate body 202b2 can be further embedded and fixed by a foundation pit 400 filler in the enclosure pile 100, and compared with the force transmission piece 200 of the T-shaped steel 200a shown in fig. 2, the force transmission piece 200 has higher installation and installation stability;

also after the force transmission piece 200 is arranged, the weight of the body 300 of the enclosure indirectly acts on the top of the enclosure pile 100 under the action of the force transmission piece 200 of the cap-shaped steel 200b to press the enclosure pile 100, so that an effect similar to a capping beam is formed, and meanwhile, an upward pulling force is formed on the body 300 of the enclosure , and the downward longitudinal displacement of the body 300 of the enclosure under the action of gravity can be reduced, so that the enclosure pile 100 and the body 300 of the enclosure form a more stable integral structure.

Further, the existing profiled bar 200c is adjusted to form a profiled bar 200c, the adjustment can be based on any profile steel applicable to the technical solution of the present invention, such as T-shaped steel, hat-shaped steel, Z-shaped steel, etc., the present embodiment is adjusted based on T-shaped steel, as shown in fig. 4 and 5, the original profiled bar 200c includes an upper plate 201c and a lower plate 202c of T-shaped steel, the upper plate 201c and the lower plate 202c are arranged in the same manner as the upper plate 201a and the lower plate 202a of T-shaped steel 200a shown in fig. 2, in the present embodiment, the upper plate 201c and the lower plate 202c are fixed to the top of the fender post 100 and the body 300 respectively by welding, and as shown in fig. 5, the profiled bar 200c further includes a reinforcing plate 203c, the reinforcing plate 203c is fixedly connected to the upper plate 201c or the lower plate 202c, this embodiment adopts and upwards fixes reinforcing plate 203c with last plate body 201c lower surface welded mode, and reinforcing plate 203c inwards butts on the outer concave surface 102 of fender post 100 surface, and fix with outer concave surface 102 adoption commonly used fixed mode such as welding or anchor, this embodiment adopts welded mode to fix, make fender post 100 atress condition change after setting up reinforcing plate 203c, make fender post 100's horizontal direction atress obtain mutual offset, the atress is more even, the stability of fender post 100 structure has been improved.

Claims (6)

1. The utility model provides an assembled steel purlin, includes the wall body of setting on the fender pile, its characterized in that still includes:

the force transmission piece is of a rigid structure, and the upper part and the lower part of the force transmission piece are respectively connected with the fender post and the enclosure body;

the upper part of the force transmission piece is fixedly connected with the top end of the fender post;

the lower part of the force transmission piece is fixedly connected with the body of the enclosure .

2. An assembled steel purlin of claim 1,

the force transmission piece is T-shaped steel;

the T-shaped steel comprises an upper plate body at the upper part and a lower plate body at the lower part;

the upper plate body is fixedly connected with the top end of the fender post, and the lower plate body is fixedly connected with the enclosure body.

3. An assembled steel purlin of claim 1,

the force transmission piece is cap-shaped steel;

the hat-shaped steel comprises an upper plate body at the upper part, an outer lower plate body and an inner lower plate body at the lower part;

the outer lower plate body is fixedly connected with the body .

4. An assembled steel purlin of claim 3,

and the inner lower plate body of the cap-shaped steel is embedded and fixed at the inner side of the fender post.

5. An assembled steel purlin of claim 1,

the force transmission piece is special-shaped steel;

the special-shaped section steel is provided with a reinforcing plate;

the reinforcing plate is inwardly abutted against the outer surface of the fender post.

6. An assembled steel purlin of claim 5,

the outer surface of the fender post is provided with a concave surface;

the reinforcing plate is abutted against the concave surface of the outer surface of the fender post and is fixedly connected with the concave surface.

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