CN203420271U

CN203420271U - Purlin part

Info

Publication number: CN203420271U
Application number: CN201320500104.XU
Authority: CN
Inventors: 高尔荣
Original assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Current assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Priority date: 2013-08-15
Filing date: 2013-08-15
Publication date: 2014-02-05
Anticipated expiration: 2023-08-15

Abstract

The utility model discloses a purlin part which comprises a bottom chord, a web member and diagonal bracings, wherein the bottom chord, the web member and the diagonal bracings are made of H-shaped steel. The two ends of the bottom chord are fixedly provided with square flange plates, reinforcing plates, lug plates and drainage holes are formed in the grooves in the two sides of the bottom cord, and a plurality of connecting holes are formed in outer side wing panels; square flange plates are welded to the two ends of the web member, the square flange plate at one end is connected with an inner side wing plate of the bottom chord through bolts, and reinforcing plates and drainage holes are formed in the grooves in the two sides; the two end faces of each diagonal bracing are 45-degree diagonal planes, a rectangular flange is welded to each diagonal plane, one end of each diagonal bracing is connected with the web member through a bolt, the other end of each diagonal bracing is connected with the bottom chord through a bolt, lug plates and drainage holes are formed in grooves in two sides, and the two diagonal bracings are symmetrically arranged on the two sides of the web member respectively; the bottom chord, the web member and webs of the H-shaped steel of the diagonal bracings are located on the same plane. According to the technical scheme, the purlin part is convenient to disassemble and assemble, can be used repeatedly, and can achieve the aims of saving construction cost and facilitating construction.

Description

Enclose purlin parts

Technical field

The utility model relates to technical field of civil engineering, relates in particular to a kind of purlin parts that enclose.

Background technology

In Soft Soil Foundation Pit engineering, steel concrete or steel pipe support supporting and protection structure, in order to reduce the distortion of foundation ditch, increase stability, and conventional method is at present: increase the reinforced concrete fortifield village purlin quantity of size, increase steel pipe support in the street, reduce spacing etc.But this will increase the consumption of constructional materials greatly, also reduced effective construction space in foundation ditch.Due to the steel support structure adopting at present, mainly using single shaped steel or steel pipe as brace summer, between every shaped steel or steel pipe, do not form effectively and connect, can not be as combining structure work, so their support rigidity is lower, the power can bear is relatively limited, for the larger foundation ditch of span, adopts existing steel shotcrete support to be difficult to control its distortion.These support members are owing to being all much to make by site operation requirement, the connection dimension that there is no standard, cannot reach between all parts and exchange and general object, after causing foundation pit construction to complete, most of support components all become expendable consumed product, can not reuse.

Summary of the invention

The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of purlin parts that enclose, and easy accessibility, can repeatedly reuse, and reaches the object of saving construction cost, convenient construction.

The technical solution of the utility model is achieved in that

Enclose purlin parts, comprise the lower-cord beam that H shaped steel is made, web member and diagonal brace, the both ends of the surface of the H shaped steel of lower-cord beam are cross section and are welded with square flange plate A, on square flange plate A, have four flange hole A, four flange hole A are square four jiaos of distributions, in the grooves on two sides of the H shaped steel of described lower-cord beam, be equipped with flange strengthening support gusset, flange strengthening support gusset is vertical with the web of the H shaped steel of square flange plate A and lower-cord beam and be welded and fixed respectively, in the grooves on two sides of the H shaped steel of described lower-cord beam, be provided with a plurality of stiffener A and at least two shackle plate A, stiffener A is vertical with wing plate with the web of the H shaped steel of lower-cord beam and be welded and fixed respectively, on shackle plate A, have lifting hole(eyelet) vertical with wing plate with the web of the H shaped steel of lower-cord beam and be welded and fixed respectively, on the web of the H shaped steel of lower-cord beam, have drain hole A, outside the H shaped steel of described lower-cord beam, on wing plate, have a plurality of connecting holes, six connecting holes are one group, six connecting holes of every group are divided into two rows and corresponding setting one by one up and down, the both ends of the surface of the H shaped steel of described web member are cross section and are welded with square flange plate B, square flange plate B is identical with square flange plate A structure, the wing plate centre position, inner side of the square flange plate B of one end of described web member and the H shaped steel of described lower-cord beam is bolted to connection, in the grooves on two sides of the H shaped steel of described web member, be provided with a plurality of stiffener B, stiffener B is vertical with wing plate with the web of the H shaped steel of web member and be welded and fixed respectively, on the web of the H shaped steel of web member, has drain hole B, the both ends of the surface of the H shaped steel of described diagonal brace are 45 ° of scarves and are welded with rectangular flange plate, two diagonal braces are symmetricly set on respectively the both sides of described web member, one side wing of the rectangular flange plate of diagonal brace one end and the H shaped steel of web member is bolted to connection, the inner side wing plate of the rectangular flange plate of the diagonal brace other end and the H shaped steel of lower-cord beam is bolted to connection, in the grooves on two sides of the H shaped steel of diagonal brace, be provided with at least one shackle plate B, on shackle plate B, have lifting hole(eyelet) vertical with wing plate with the web of the H shaped steel of diagonal brace and be welded and fixed respectively, on the web of the H shaped steel of diagonal brace, have drain hole C, the web of the H shaped steel of lower-cord beam, web member and diagonal brace is positioned at same plane.

As preferably, two described shackle plate A are located at respectively 1/6～1/4 place of described lower-cord beam length.

The utility model, owing to having adopted above technical scheme, is comprised of major parts such as lower-cord beam, web member, diagonal braces, has standard size connecting hole on lower-cord beam, can be linked and packed with other standards parts, realizes the assembling object of whole fish belly sill system.This standarized component is the fish belly sill trunk parts of prestress application in inner support system, and a plurality of these parts that differed by size of the same type are combined into the cage construction of fish belly sill, and diagonal brace can allow whole fish belly sill force dispersion, can bear larger power.Diagonal brace, web member are connected with form of flanges with lower-cord beam, easy disassembly and transportation.Easy accessibility, can realize the matching requirements of plurality of specifications foundation ditch, can repeatedly reuse, and reaches the object of saving construction cost.The inner support system of using this cover standard component to assemble out with ad hoc fashion, meeting in prestressed situation, can save larger construction space, convenient construction.Be provided with shackle plate plate, conveniently carry, remove and install and all parts that encloses purlin parts is provided with the connection dimension of standard, reached between all parts and exchanged and general object.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the upward view of Fig. 1;

Fig. 3 is that the A of Fig. 1 is to view.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.

Embodiment 1:

As shown in Figure 1 enclose purlin parts, comprise the lower-cord beam 1 that H shaped steel is made, web member 2, with diagonal brace 3, 4, the both ends of the surface of the H shaped steel of lower-cord beam 1 are cross section and are welded with square flange plate A11, as shown in Figure 3, on square flange plate A11, have four flange hole A111, four flange hole A111 are square four jiaos of distributions, in the grooves on two sides of the H shaped steel of described lower-cord beam 1, be equipped with flange strengthening support gusset 12, flange strengthening support gusset 12 is vertical with the web of the H shaped steel of square flange plate A11 and lower-cord beam 1 and be welded and fixed respectively, in the grooves on two sides of the H shaped steel of described lower-cord beam 1, be provided with a plurality of stiffener A13 and at least two shackle plate A15, stiffener A13 is vertical with wing plate with the web of the H shaped steel of lower-cord beam 1 and be welded and fixed respectively, on shackle plate A15, have lifting hole(eyelet) vertical with wing plate with the web of the H shaped steel of lower-cord beam 1 and be welded and fixed respectively, on the web of the H shaped steel of lower-cord beam 1, have drain hole A14, as shown in Figure 2, outside the H shaped steel of described lower-cord beam 1, on wing plate, have a plurality of connecting holes 16, six connecting holes 16 are one group, six connecting holes 16 of every group are divided into two rows and corresponding setting one by one up and down, the both ends of the surface of the H shaped steel of described web member 2 are cross section and are welded with square flange plate B21, square flange plate B21 is identical with square flange plate A11 structure, the wing plate centre position, inner side of the square flange plate B21 of one end of described web member 2 and the H shaped steel of described lower-cord beam 1 is bolted to connection, in the grooves on two sides of the H shaped steel of described web member 2, be provided with a plurality of stiffener B23, stiffener B23 is vertical with wing plate with the web of the H shaped steel of web member 2 and be welded and fixed respectively, on the web of the H shaped steel of web member 2, has drain hole B22, described diagonal brace 3, the both ends of the surface of 4 H shaped steel are 45 ° of scarves and are welded with rectangular flange plate 31, two diagonal braces 3, 4 are symmetricly set on respectively the both sides of described web member 2, diagonal brace 3, the rectangular flange plate 31 of 4 one end is bolted to connection with a side wing of the H shaped steel of web member 2, diagonal brace 3, the rectangular flange plate 31 of 4 other ends is bolted to connection with the inner side wing plate of the H shaped steel of lower-cord beam 1, diagonal brace 3, in the grooves on two sides of 4 H shaped steel, be provided with at least one shackle plate B32, on shackle plate B32, have lifting hole(eyelet) and respectively with diagonal brace 3, the web of 4 H shaped steel is vertical with wing plate and be welded and fixed, diagonal brace 3, on the web of 4 H shaped steel, have drain hole C33, the web of the H shaped steel of lower-cord beam 1, web member 2 and diagonal brace 3,4 is positioned at same plane.Two described shackle plate A15 are located at respectively 1/6～1/4 place of described lower-cord beam 1 length.

The utility model parts are comprised of parts such as the lower-cord beam of H section steel manufacture, web member, diagonal braces, connect each other with flange, convenient for assembly and transportation.There is standard flange on web member top, supports or support is connected with steel strand, and lower-cord beam two ends are also standard flange, enclose purlin be connected with parts of the same type or steel.Lower-cord beam is stressed member maximum in these parts, yielding, therefore be connected to polylith stiffener at H shaped steel internal welding, on lower-cord beam lateral surface, there are two row's gauge orifices, six holes are a small group, and the spacing between group is 200mm, large group of 12 Kong Weiyi, spacing between large group is 400mm, with this standard size with enclose purlin and other standard components and assemble and reach agile and all-purpose object.On lower-cord beam, web member, diagonal brace, be equipped with a plurality of drain holes, so that at rain weather or reach the object of draining in water construction environment, reduce the corrosion of these parts.In the inner side L of lower-cord beam H steel (overall length) 1/6～1/4 scope and weld hanger (symmetry) on diagonal brace, because of this component weight heavier, cannot be with manually realizing assembling, must use lifting appliance, for guaranteeing to guarantee in hoisting process the safety of lifting, this hanger, in H steel inner side and three welding, guarantees its intensity.

It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.

Claims

1. enclose purlin parts, it is characterized in that, comprise the lower-cord beam (1) that H shaped steel is made, web member (2) and diagonal brace (3, 4), the both ends of the surface of the H shaped steel of lower-cord beam (1) are cross section and are welded with square flange plate A(11), square flange plate A(11) on, have four flange hole A(111), four flange hole A(111) be square four jiaos of distributions, in the grooves on two sides of the H shaped steel of described lower-cord beam (1), be equipped with flange strengthening support gusset (12), flange strengthening support gusset (12) respectively with the web and square flange plate A(11 of the H shaped steel of lower-cord beam (1)) vertical and be welded and fixed, in the grooves on two sides of the H shaped steel of described lower-cord beam (1), be provided with a plurality of stiffener A(13) and at least two shackle plate A(15), stiffener A(13) vertical with wing plate with the web of the H shaped steel of lower-cord beam (1) and be welded and fixed respectively, shackle plate A(15) on, have lifting hole(eyelet) vertical with wing plate with the web of the H shaped steel of lower-cord beam (1) and be welded and fixed respectively, on the web of the H shaped steel of lower-cord beam (1), have drain hole A(14), outside the H shaped steel of described lower-cord beam (1), on wing plate, have a plurality of connecting holes (16), six connecting holes (16) are one group, six connecting holes (16) of every group are divided into two rows and corresponding setting one by one up and down, the both ends of the surface of the H shaped steel of described web member (2) are cross section and are welded with square flange plate B(21), square flange plate B(21) with square flange plate A(11) structure is identical, the square flange plate B(21 of one end of described web member (2)) be bolted to connection with the wing plate centre position, inner side of the H shaped steel of described lower-cord beam (1), in the grooves on two sides of the H shaped steel of described web member (2), be provided with a plurality of stiffener B(23), stiffener B(23) vertical with wing plate with the web of the H shaped steel of web member (2) and be welded and fixed respectively, on the web of the H shaped steel of web member (2), have drain hole B(22), described diagonal brace (3, 4) both ends of the surface of H shaped steel are 45 ° of scarves and are welded with rectangular flange plate (31), two diagonal braces (3, 4) be symmetricly set on respectively the both sides of described web member (2), diagonal brace (3, 4) side wing of the rectangular flange plate (31) of one end and the H shaped steel of web member (2) is bolted to connection, diagonal brace (3, 4) the inner side wing plate of the rectangular flange plate (31) of the other end and the H shaped steel of lower-cord beam (1) is bolted to connection, diagonal brace (3, 4) in the grooves on two sides of H shaped steel, be provided with at least one shackle plate B(32), shackle plate B(32) on, have lifting hole(eyelet) and respectively with diagonal brace (3, 4) web of H shaped steel is vertical with wing plate and be welded and fixed, diagonal brace (3, 4) on the web of H shaped steel, have drain hole C(33), the web of the H shaped steel of lower-cord beam (1), web member (2) and diagonal brace (3,4) is positioned at same plane.

2. the purlin parts that enclose according to claim 1, is characterized in that, two described shackle plate A(15) be located at respectively 1/6～1/4 place of described lower-cord beam (1) length.