CN204298980U

CN204298980U - The anti-buckling support of cross core of putting more energy in pipe clean steel

Info

Publication number: CN204298980U
Application number: CN201420765568.8U
Authority: CN
Inventors: 郭小康; 闫晓雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-05
Filing date: 2014-12-05
Publication date: 2015-04-29
Anticipated expiration: 2024-12-05

Abstract

The utility model provides in a kind of pipe the anti-buckling support of cross core clean steel of putting more energy into, comprise the circle constraint sleeve that cross section is criss-cross axle power load bearing unit and is set on described axle power load bearing unit, on the inwall of described circle constraint sleeve, circumference evenly fixes four axially extended semicircle attaching means, outwardly, four sides of described axle power load bearing unit are fastened in the grooved space that forms between adjacent semicircle attaching means the opening surface of described semicircle attaching means respectively.The utility model can make the crippling of core cell design with support overall collapse destroy design separate; And the fill concrete eliminated between two sleeve pipes, makes to support deadweight and significantly reduces, improve the utilization rate of material, have good economy and applicability, have good popularizing application prospect.

Description

The anti-buckling support of cross core of putting more energy in pipe clean steel

Technical field

The utility model relates to building structure aseismatic prevention technique field, belongs to structural damping Passive Control category, is specifically related to the anti-buckling support of cross core clean steel of putting more energy in a kind of pipe.

Background technology

Anti-buckling support is also known as buckling restrained brace, or undonded prestressed concrete.Because its core stress unit has external constraint unit to provide side direction to support continuously, can make, during core cell pressurized, flexing unstable failure does not occur, support axial tension and pressurized all can reach its core cross section yield force, the tension and compression bearing capacity of component is close, thus drastically increases the utilization rate of material.In earthquake, after anti-buckling supporting core unit tension and compression surrender, plastic deformation can be there is and consume inputting seismic energy; main structure body damage power consumption will reduce; so just can protect agent structure, the destructiveness of building in Earthquake occurrence control, very favourable to structural seismic.

At present, the major constituents form of anti-buckling support has two kinds: the anti-buckling support of (1) steel tube concrete soil type, core stress unit is placed among steel sleeve by it, the packing material such as fill concrete between core cell and steel bushing, plays the effect that constraint core cell buckle in compression destroys.For the anti-buckling support of super long type, inner fill concrete weight will be very large, cause the lifting of support, construction and installation, performance to have larger problem.Support because deadweight is comparatively large, downwarp can occur, this is equivalent to the initial imperfection adding support, can increase cost of manufacture further; (2) the anti-buckling support of clean steel type, generally retrains core cell by inside measure of putting more energy into.The square outer steel pipe of the anti-buckling general employing of clean steel of employing cross core common at present, because square outer steel tube confinement core mainly relies on the anti-bending bearing capacity of steel pipe walls, its constraint efficiency is lower, thus also result in the defect that steel using amount is larger, square steel tube group four bight welding qualities immediately not easily ensure simultaneously, when core cell is back and forth stressed, square steel tube bight weld seam is also in tired by force and stress collected state, as easy as rolling off a log tearing and lose its effect of contraction.

Utility model content

Technical problem to be solved in the utility model is exactly for support above shortcomings anti-buckling in prior art, the anti-buckling support of cross core clean steel of putting more energy into is provided in a kind of pipe, avoid the anti-buckling supported weight of filled-type larger, easily there is the feature that cripling is destroyed in the anti-buckling support of rectangular tube clean steel, is particularly useful for the demand of ultra-long support.

For achieving the above object and other relevant objects, the utility model provides in a kind of pipe the anti-buckling support of cross core clean steel of putting more energy into, comprise the circle constraint sleeve that cross section is criss-cross axle power load bearing unit and is set on described axle power load bearing unit, on the inwall of described circle constraint sleeve, circumference evenly fixes four axially extended semicircle attaching means, outwardly, four sides of described axle power load bearing unit are fastened in the grooved space that forms between adjacent semicircle attaching means the opening surface of described semicircle attaching means respectively.

Further, described circle constraint sleeve is made up of two symmetrical semicircle steel-pipe weldings.

Further, the length of described circle constraint sleeve is greater than ten meters.

By above technical scheme, the utility model has following technique effect compared to prior art: the utility model adopts circular constraint sleeve to stablize bearing carrier as a whole; Four semicircle attaching means are as the anti-local buckling bearing carrier retraining internal cruciform steel core, during due to semicircle attaching means pressurized, its stress is close to compression arch, this stress will greatly improve the utilization rate of material, can provide enough Rigidity and strengths for constraint core cell cripling.The utility model can make the crippling of core cell design with support overall collapse destroy design separate; And the fill concrete eliminated between two sleeve pipes, makes to support deadweight and significantly reduces, improve the utilization rate of material, have good economy and applicability, have good popularizing application prospect.

Accompanying drawing explanation

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

Fig. 2 is the schematic cross-section along A-A in Fig. 1;

Fig. 3 is the schematic cross-section along B-B in Fig. 1;

Element numbers illustrates:

1 axle power load bearing unit

2 circular constraint sleeves

3 semicircle attaching means

Detailed description of the invention

By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.

Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.

Consult shown in Fig. 1, the utility model provides in a kind of pipe the anti-buckling support of cross core clean steel of putting more energy into, and comprises the circle constraint sleeve 2 that cross section is criss-cross axle power load bearing unit 1 and is set on described axle power load bearing unit.As shown in Figures 2 and 3, on the inwall of circular constraint sleeve 2, circumference evenly fixes four axially extended semicircle attaching means 3, the opening surface of semicircle attaching means 3 outwardly, four sides of axle power load bearing unit 1 are fastened in the grooved space that forms between adjacent semicircle attaching means respectively, form the effect of contraction on linear contact lay opposite.

Be described in further detail below in conjunction with specific implementation process:

1) make circular constraint sleeve 2, a round steel pipe length being greater than ten meters cuts into two symmetrical semicircle steel pipes, or directly adopts steel plate cold bending forming technique to form two above-mentioned semi-circular steel pipes;

2) make semicircle attaching means 3, a round steel pipe is cut into four interior semi-circular steel pipes, or directly adopt steel plate cold bending forming technique to form above-mentioned four semi-circular steel pipes;

3) above-mentioned four interior semi-circular steel pipes are welded on the inwall of two semicircle steel pipes respectively;

4) a cross oblique crank Z power load bearing unit 1 to be placed within grooved space that four interior semi-circular steel pipes are formed and to clamp;

5) adopt butt weld by aggregates for two semicircle steel-pipe weldings, the utility model makes complete.

In sum, the utility model adopts circular constraint sleeve to stablize bearing carrier as a whole; Four semicircle attaching means are as the anti-local buckling bearing carrier retraining internal cruciform steel core, during due to semicircle attaching means pressurized, its stress is close to compression arch, this stress will greatly improve the utilization rate of material, can provide enough Rigidity and strengths for constraint core cell cripling.The utility model can make the crippling of core cell design with support overall collapse destroy design separate; And the fill concrete eliminated between two sleeve pipes, make to support deadweight significantly to reduce, improve the utilization rate of material, so, the utility model effectively overcomes various shortcoming of the prior art and has good economy and applicability, has good popularizing application prospect.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.

Claims

1. to put more energy in a pipe the anti-buckling support of cross core clean steel, it is characterized in that, comprise the circle constraint sleeve that cross section is criss-cross axle power load bearing unit and is set on described axle power load bearing unit, on the inwall of described circle constraint sleeve, circumference evenly fixes four axially extended semicircle attaching means, outwardly, four sides of described axle power load bearing unit are fastened in the grooved space that forms between adjacent semicircle attaching means the opening surface of described semicircle attaching means respectively.

2. to put more energy in pipe according to claim 1 the anti-buckling support of cross core clean steel, it is characterized in that, described circle constraint sleeve is made up of two symmetrical semicircle steel-pipe weldings.

3. to put more energy in pipe according to claim 1 the anti-buckling support of cross core clean steel, it is characterized in that, the length of described circle constraint sleeve is greater than ten meters.