CN203223003U

CN203223003U - Detachable triangular jig frame for steel truss assembling

Info

Publication number: CN203223003U
Application number: CN 201320245486
Authority: CN
Inventors: 李浓云; 杨霞; 赵钦; 孙炼彬; 王京; 郭美琴
Original assignee: BEIJING URBAN CONSTRUCTION JINGGONG STEEL STRUCTURE ENGINEERING Co Ltd
Current assignee: BEIJING URBAN CONSTRUCTION JINGGONG STEEL STRUCTURE ENGINEERING Co Ltd
Priority date: 2013-05-08
Filing date: 2013-05-08
Publication date: 2013-10-02
Anticipated expiration: 2023-05-08

Abstract

The utility model provides a detachable triangular jig frame for steel truss assembling. The jig frame is of a triangular connecting structure and comprises an main upright rod, a bottom transverse rod, a top steel beam, a connecting plate, a slant rod, a bolt and the like, the main upright rod, the bottom transverse rod, the top steel beam, the connecting plate, the slant rod, the bolt and the like are connected and located through bolts, a location hole is formed in the top of the top steel beam and can be used for controlling the axis position of the steel truss. According to the technology of the detachable triangular jig frame for steel truss assembling, the problem of the site repeated assembling technology of ultra-high ultra-wide steel members is solved, and the detachable triangular jig frame can be widely applied to the field of steel structure assembling construction.

Description

The steel truss assembly unit is with removable triangle moulding bed

Technical field

The utility model relates to a kind of steel truss assembly unit with removable triangle moulding bed, belongs to the structural steelwork technical field.

Background technology

The steel truss assembly unit belongs to work high above the ground, work progress high and medium location assembly unit difficulty is big, mainly be by setting up integral-scaffold at present, perhaps fixing support rack carries out consolidation service, and often there is not suitable way for the steel work that assembly unit is carried out at the needs scene of some super wide superelevation, especially the moulding bed that can reuse still less, this has increased the steel using amount in the engineering undoubtedly, increased the difficulty of construction of engineering, increased the assembly unit duration, delay the construction overall progress, increased the construction cost of engineering.

The utility model content

The utility model provides a kind of steel truss assembly unit with removable triangle moulding bed, solve existing bracing frame or scaffold instability, and the engineering steel amount is big, the problem that moulding bed can reuse.

For solving above technical problem, the utility model provides following technical scheme: a kind of steel truss assembly unit is with removable triangle moulding bed, the top braces steel truss, described triangle moulding bed comprises tripod and girder steel, a plurality of tripods top is girder steel, tripod adopts bolt to be connected with girder steel, described tripod comprises main vertical rod, with main vertical rod bottom bar connected vertically and two braces that are arranged on main vertical rod both sides, brace one end adopts bolt to be connected with main vertical rod top, the other end is connected in bottom bar by bolt, and the bottom of main vertical rod adopts bolt to be connected with bottom bar.

Further, described triangle moulding bed is of a size of high 2.7m, wide 4m, long 12m, spacing 6m.

Further, described triangle moulding bed is hot rolled H-shaped or i iron.

This steel truss assembly unit that the utility model relates to is with removable triangle moulding bed, it has stability, triangle moulding bed form has guaranteed the stability of self, with the top girder steel as simply supported beam, with vertical rod as vertical stressed transmission rod member, keep the stable of vertical rod by the triangle brace between vertical rod, forms simple and easy and stable whole stress system, make working load on the support and steel member dead weight Load Transfer to the structure surface layer.

It has dismoutability, is connected by junction plate and bolt between top girder steel and vertical rod and vertical rod and the brace, and moulding bed can partly be dismantled when the member tread flaking, does not intersect with steel truss, guarantees that steel truss normally lifts by crane.

The utility model has been improved traditional support moulding bed, utility model the steel truss assembly unit with removable triangle moulding bed, input artificial, material is saved in moulding bed design economical rationality, has solved location, super wide superelevation steel member high-altitude, assembling, moulding bed and has reused problem.The utility model is given prominence on the particularity of assembly unit moulding bed structure, bracing frame has satisfied the needs of daily structure assembly unit, utilize simultaneously gusset plate and bolt dismountable also for repetition assembly unit, the tread flaking of the super wide steel truss of superelevation provide may, and structure is safer, stable, reliably.It has saved the material of making moulding bed, has reduced taking of construction plant, has reduced the working measure expense, and low-carbon environment-friendly has been optimized working procedure, has scientifically shortened a large amount of durations.Meet the strategy of sustainable development of China from the angle that economizes on resources, be conducive to advance development and the innovation of hoisting technology under China's steel structure assembling and the particular surroundings.

Description of drawings

Fig. 1 is the assembly unit of the utility model steel truss with removable triangle moulding bed STRUCTURE DECOMPOSITION figure;

Fig. 2 is the assembly unit of the utility model steel truss with removable triangle moulding bed structural representation;

Fig. 3-Fig. 8 is the utility model steel truss splicing structure schematic diagram;

Mark schematically as follows among the figure: 1-master's vertical rod, 2-bottom bar, 3-bolt, 4-girder steel, 5-junction plate, 6-brace, the 7-1 number person in charge, the 8-3 number person in charge, the 9-4 number person in charge, 10-5 inclined tube, 11-6 inclined tube, 12-junction plate, the 13-2 number person in charge, the 14-7 number person in charge, the 15-8 number person in charge, the vertical support bar of 16-, the oblique support bar I of 17-, the oblique support bar II of 18-.

The specific embodiment

Shown in Fig. 1-2, be triangle moulding bed STRUCTURE DECOMPOSITION figure; The triangle moulding bed comprises tripod and girder steel 4, a plurality of tripods top is girder steel 4, tripod adopts bolt to be connected with girder steel 4, tripod comprise main vertical rod 1, with main vertical rod 1 bottom bar 2 connected vertically and two braces 6 that are arranged on main vertical rod both sides, brace one end adopts bolt 3 to be connected with main vertical rod 1 top by junction plate 5, the other end is connected in bottom bar 2 by bolt 3, and the bottom of main vertical rod 1 adopts bolt 3 to be connected with bottom bar 2.That uses among the figure is i iron, and the inconvenient junction between two i iron is equipped with junction plate, conveniently is connected and fixed.

Embodiment 1

As shown in Figure 2, at first make the triangle moulding bed, the triangle moulding bed is of a size of high 2.7m, wide 4m, long 12m, spacing 6m; With transit, level gauge its axis and absolute altitude are reviewed, in the assembly unit place, pre-assembly unit main member is put projection line, and install the steel truss assembly unit with removable triangle moulding bed.

As shown in Figure 3, on moulding bed, install earlier No. 1 of 4 horizontal directions be responsible for 7,4 be responsible for for No. 17 all with girder steel 4 vertical, parallel to each other and equidistant arrangements.

As shown in Figure 4, No. 1 be responsible for be responsible for 13 welding for 7 and No. 2, be responsible for 13 for No. 2 and be connected in 7 of every adjacent two parallel No. 1 persons in charge, as base surface.

As shown in Figure 4, be welded into ladder shape with being responsible for 8 and No. 4 persons in charge 9 for No. 3 by junction plate, and it is temporary fixed to be level, fixedly being welded in to be responsible for for No. 3 with a plurality of No. 5 inclined tubes 10 and No. 6 inclined tubes 11 again is responsible for for 8 and No. 1 between 7, two inclined tubes and No. 3 persons in charge 8 form triangles, are used for supporting 8 and No. 4 persons in charge 9 of No. 3 persons in charge; No. 5 inclined tubes 10, No. 6 inclined tubes 11 and No. 3 persons in charge 8 form plane A.

As shown in Figure 5,14 and No. 8 persons in charge of No. 7 persons in charge, 15 1 ends are welded on to be responsible for for No. 3 on 8, and the other end is welded on to be responsible for for No. 1 on 7, and with No. 3 person in charge's 8 composition triangles, composition plane B, the angle between plane B and the plane A are greater than 0 degree, less than 90 degree.

As shown in Figure 6, at several vertical support bars 16 of girder steel welded top, be between adjacent two junction plates, vertically the quantity of support bar 16 is decided according to the quantity of described junction plate, oblique support bar is two, one end of oblique support bar 17 and oblique support bar 18 is connected on the junction plate, and the other end is connected on the vertical support bar;

As shown in Figure 7, and the like, the steel truss of arbitrary height and width can be made according to requirement of engineering.

As shown in Figure 8, the dismounting of triangle moulding bed: utilize the steel truss assembly unit with removable triangle moulding bed, the girder steel disassembling bolts, carry out the steel truss tread flaking.

This steel truss assembly unit that the utility model relates to is with removable triangle moulding bed, it has applicability, therefore moulding bed can partly be dismantled, and does not intersect with steel truss, guarantees that steel truss normally lifts by crane, simultaneously the moulding bed bearing can guarantee that again follow-up steel truss locatees assembly unit fast, both guaranteed the accuracy of steel component assembly in the on-site consolidation process, also saved the assembly unit place, and shortened moulding bed and made and the steel component assembly duration, improve lifting efficient, thereby accelerated construction speed; Moulding bed is reused, saved the moulding bed material, save cost, therefore have very strong applicability.

The specific embodiment described in the utility model does not constitute the restriction to the application's scope; every within the spirit and principle of the utility model design, any modification that one of skill in the art can make, be equal to and replace and improvement etc. all should be included within the protection domain of the present utility model.

Claims

1. a steel truss assembly unit is with removable triangle moulding bed, the top braces steel truss, it is characterized in that, described triangle moulding bed comprises tripod and girder steel, a plurality of tripods top connects girder steel, tripod adopts bolt to be connected with girder steel, described tripod comprise main vertical rod, with main vertical rod bottom bar connected vertically and two braces that are arranged on main vertical rod both sides, brace one end adopts bolt to be connected with main vertical rod top, the other end is connected in bottom bar by bolt, and the bottom of main vertical rod adopts bolt to be connected with bottom bar.

2. steel truss assembly unit according to claim 1 is characterized in that with removable triangle moulding bed, and described triangle moulding bed is hot rolled H-shaped or i iron.