CN204590652U - A kind of ruggedized construction of steel structure net rack component - Google Patents
A kind of ruggedized construction of steel structure net rack component Download PDFInfo
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- CN204590652U CN204590652U CN201520270447.0U CN201520270447U CN204590652U CN 204590652 U CN204590652 U CN 204590652U CN 201520270447 U CN201520270447 U CN 201520270447U CN 204590652 U CN204590652 U CN 204590652U
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- cushion block
- rack component
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- pipe fitting
- outsourcing
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Abstract
The utility model discloses a kind of ruggedized construction of steel structure net rack component, in order to carry out repairing and reinforcing to the pipe fitting of steel work, its concrete structure comprises the cushion block that several are axially fixed in rack component outer ring, described cushion block is close to the reinforcing pipe fitting outer wall of rack component vertically, and have overclad tubes at cushion block overcoat, described block grip is fixed on the outer wall of reinforcing pipe fitting; Described overclad tubes is spliced by the arc outsourcing section of jurisdiction with bayonet socket of the axial cutting of at least two panels, and spliced outsourcing section of jurisdiction outer wall is provided with fastener, described overclad tubes by fastener by cushion block with reinforce together with pipe fitting is fixed and clamped.The utility model consolidation effect is obvious, mode flexible, and operation is simple and feasible for strengthening construction, and reinforcement measure is reliable and stable, form of structure is simply innovated, on the rack component of raw steel structure and peripheral structure impact less, be applicable to work high above the ground, greatly increase work efficiency.
Description
Technical field
The utility model relates to steel structure strengthening technology field, the ruggedized construction of a kind of steel structure net rack component of specific design.
Background technology
So far, space truss structure is widely used in steel building field.What space truss structure adopted mostly when design, construction is by pipe steel grid structure form, this structure is by design, construction and the impact of service life, partial structurtes there will be defect and damage, such as component corrosion, coating shedding, component partial flexing etc. damage phenomenon, affect greatly to the resistance to overturning of space truss structure and safety.Meanwhile, because space truss structure is generally applied to open venue buildings thing ceiling, as stadium, petrol filling station etc., work high above the ground is inconvenient and independent dismounting and change component easily causes structural instability, and integral replacing construction is complicated, cost is high, and building normally uses and is affected.Current existing solution has following several:
Weld reinforcement method: the method, mainly to the part of component corrosion in steel structure net rack, component partial flexing, is supplemented with same material welding, played and make component again bear stressed effect.But because steel are sensitive materials, in welding process, its strength and stiffness can raise along with temperature and sharply decline, and its bearing capacity also can decline; Rack reinforcement of weld normally work high above the ground simultaneously, welding quality is not high, and weld can produce weld defect and residual stress, and the easier cracking destruction of the component of other materials, probably causes unstability relatively, produces huge potential safety hazard.For the Sensitive Buildings residing for steel structure net rack, as petrol filling station, the spark that weld reinforcement method produces equally also is important dangerous matter sources.
Replacing method: namely replacing method is carry out local replacing to component impaired in steel structure net rack structure, or a fairly large number of rack of damaged component carries out integral replacing.Space truss structure often adopts bolt sphere to connect adjacent members or adopts welding to connect adjacent members.When carrying out local replacing to impaired serious component in reinforcing process, need to set up temporary support in the venue, use cable wind rope to carry out adjustment to the verticality of support column and fix; When damaged component quantity is more in space truss structure, need to carry out integral replacing, adopt the mode of mechanical hoisting to carry out.Construction means is complicated, and cost is higher, long in time limit, and building substantially cannot normally use during reinforcing.
Change structure stress point position: by additional support, by increasing stressed node, adjustment load assignment situation, force level in reducing, carries out forced displacement to statically-indeterminate structure bearing, prevents the generation etc. that stress is concentrated.The method affects to some extent on original structure stress, needs to redesign to calculate, and work progress is complicated.
Chinese patent CN 201010292933.4 discloses a kind of buckling-restrained hardened system for round steel pipe, the circular tube flexion restriction reinforcing method adopted: by the outsourcing of two halves pipe, the method treats that strenthening member is spliced, treat that strenthening member and outsourcing section of jurisdiction adopt sponge adhesive tape Type of Collective material to wrap up and fill, reinforced by fastener.The method structure is simple, easy construction, but what adopt due to two pieces of semicircle sections of jurisdiction is parallel splicing, when reinforcing vertical rod member, easily occurring the splicing fissure of displacement, axially mutually sliding, the situations such as unbalance stress; Be wrapped in and wait that the sponge adhesive tape reinforced on rod member is poroid elastomeric material, not there is certain compressional stiffness and intensity, ability and the anti-pressure ability of the confining part distortion played are more weak, sponge adhesive tape does not have isotropism simultaneously, molecular structure is complicated, mechanical analysis calculation of complex during design, can not truly reflect rod member stressing conditions.
Summary of the invention
The technical problem that the utility model solves is: the pressurized pipe fitting reinforcing above shortcomings part for existing steel structure net rack component with initial bending, cripling, provides a kind of novel steel structure net rack strengthening member structure.
The utility model adopts following technical scheme to realize: a kind of ruggedized construction of steel structure net rack component, comprise the cushion block 7 that several are axially fixed in rack component outer ring, described cushion block 7 is close to reinforcing pipe fitting 8 outer wall of rack component vertically, and have overclad tubes at cushion block overcoat, described block grip is fixed on the outer wall of reinforcing pipe fitting; Described overclad tubes is spliced by the arc outsourcing section of jurisdiction of the axial cutting of at least two panels, and spliced outsourcing section of jurisdiction outer wall is provided with fastener 3, described overclad tubes by fastener by cushion block with reinforce together with pipe fitting is fixed and clamped.
Preferably, described cushion block 7 line centered by the axis reinforcing pipe fitting 8 is evenly arranged.
Preferably, described cushion block 7 is steel cushion block.
Preferably, described steel cushion block adopts Maraging steel.
Preferably, described cushion block 7 is weldingly fixed on the inwall of outsourcing section of jurisdiction vertically, is directly completed the setting of cushion block by the splicing of outsourcing section of jurisdiction.
Preferably, described cushion block 7 is corresponding cambered surface with the joint face of reinforcing pipe fitting, improves laminating degree.
In the utility model, described outsourcing section of jurisdiction docking side is each other provided with mutually chimeric bayonet socket 6, for the spliced axial location in outsourcing section of jurisdiction, prevents axial slip between outsourcing section of jurisdiction.
Preferably, described outsourcing section of jurisdiction is two pieces, and its main body is semi-circular cross-section, and the axial side in both sides is provided with bayonet socket 6.
Preferably, described fastener 3 is at least two outsourcing cuffs along reinforcing pipe fitting axis arranged, fixes banding on the outsourcing section of jurisdiction of splicing by connecting bolt 4.
Preferably, rubber spacer 5 is provided with between described outsourcing cuff and the outsourcing section of jurisdiction of splicing.
The utility model is a kind of principle on existing steel structure rack reinforcement means and technical improvement and bring new ideas, start with from the transmission of power, increase member cross-sections sum and readjust structure stress system to reach the stable object of structure stress, power suffered by component is transmitted effectively, the active force utilizing its strength of materials to reduce component itself to carry, adds member cross-sectional area simultaneously.
In the utility model, between the reinforcing pipe fitting that described steel cushion block needs reinforcement in outsourcing section of jurisdiction and rack component, adopt the form be partially filled, while guaranteed strength, reduce and reinforce weight, steel cushion block adopts Maraging steel, has good toughness and good sweating heat handling property, be welded in advance inside outsourcing section of jurisdiction according to steel pipe sheet and the space length that needs reinforcement between component, there is good compressive strength.
The reinforcing pipe fitting that space truss structure need be reinforced and the outer contacting face soap-free emulsion polymeization with the outsourcing section of jurisdiction of steel cushion block, can be separated from each other when axial displacement distortion occurs each other, after being spliced into steel pipe with the outsourcing section of jurisdiction of steel cushion block, the component needed reinforcement is played to effect of its distortion of constraint, overclad tubes displacement deformation with steel cushion block is coordinated, certain shearing can be born, have good resistant function to instantaneous deformation simultaneously.
Described outsourcing section of jurisdiction is divided into upper and lower two pieces, adopts bayonet type design, is spliced into the steel pipe that diameter is larger, prevents from occurring the splicing fissure of displacement between outsourcing section of jurisdiction, axially mutually sliding, and occurs the situations such as unbalance stress, is convenient to install and change at any time.Reinforced by cuff and bolt compresses and become the steel pipe integral that has bending rigidity, the component treating reinforcing plays the effect of protection and constraint.
The cuff material with bed course that described extruding is reinforced is the steel adopting tensile strength higher, and bed course material is the rubber with antisepsis.The cuff bolt of both sides connects, and is reinforced, form a complete steel pipe integral with certain bending rigidity in conjunction with steel cushion block by bed course to the overclad tubes extruding of having spliced.
The utility model is not when carrying out any unloading, reinforcement of weld to the component needed reinforcement or change rod member, by steel cushion block, the power on component is passed to overclad tubes, the reinforcing pipe fitting that retraining under overclad tubes, cuff acting in conjunction needs space truss structure to reinforce produces part plan distortion, Member overall buckling, certain correcting is played to the component producing local distortion or flexing simultaneously, make the component needed reinforcement be in three stresses, thus improve overall bearing capacity.Described steel cushion block material adopts Maraging steel, has good toughness and good sweating heat handling property, is in advance inside steel pipe sheet; Adopt the form be partially filled, when reinforcing in high-altitude, effectively alleviate own wt.Steel pad thickness equals the distance between outsourcing section of jurisdiction and the component needed reinforcement just, and steel cushion block and the component needed reinforcement adopt soap-free emulsion polymeization, and after component generation axial displacement distortion, both can be separated from each other, and all the other directions are all subject to compatibility of deformation constraint; When component produces local buckling, component institute is stressed is passed to overclad tubes through steel cushion block, the overall structure consisted of steel cushion block, overclad tubes, cuff can effective confining part cripling, component is made to be in three stresses, improve its bending rigidity, thus reach the object of strenthening member.
Reinforcing pipe fitting after the utility model reinforcing both can retrain the pressurized complete buckling of rack component, can retrain again the cripling of rack component, and play certain correcting to the rack component producing local distortion.Comparing traditional reinforcing mode, for needing the steel grid structure carrying out high-altitude reinforcing, both can improve the bending rigidity of structure itself, element cross-section can be increased again and amass, thus improve its bearing capacity; Strengthening construction is directly effective, and form of structure is simple, and adopt the splicing of steel pipe sheet bayonet socket, Maraging steel block portion is filled, and is conducive to high-altitude constructing operation, can not roll up component own wt simultaneously; From form of construction work, the utility model utilizes cuff and steel pipe sheet to carry out assembled reinforcing, or temporary support can not be set up to reinforce damaged component by punching welding, mechanical hoisting, when the utility model structure is aging or after damaging, can change in time, be convenient to dismounting.Reinforce due to the utility model and do not need to change component, very little to the disturbance of existing rack on the one hand, to ensure the general safety of space truss structure in strengthening construction process with stablize favourable, on the other hand also can not produce extra additional adverse effect to component near needing reinforcement or each component that is connected, as falsework take one's place time, because of support shake, rack Condition of Sudden Unloading and cause local buckling, component to be out of shape suddenly or displacement etc.; When treating special building venue (as petrol filling station, stadium etc.) steel structure net rack and reinforcing, use interference less to normal business and building.
From the above mentioned, the utility model is compared to existing steel structure net rack reinforcing mode, consolidation effect is obvious, mode is flexible, preferably resolve component partial in steel structure net rack to bend, the problem of flexural stiffness of member and depression of bearing force, operation is simple and feasible for strengthening construction, reinforcement measure is reliable and stable, form of structure is simply innovated, damage aging after can change at any time, easy accessibility, affect less on original structure and peripheral structure thereof, be applicable to work high above the ground, while greatly increasing work efficiency, reinforcing for steel structure net rack provides a kind of new method and thinking.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view after the steel structure net rack strengthening member in embodiment.
Fig. 2 is the front view after the reinforcing pipe fitting of steel structure net rack component in embodiment is reinforced.
Fig. 3 is the schematic diagram of outsourcing section of jurisdiction in embodiment and cushion block.
Fig. 4 be A in Fig. 2 to sectional view, the cross sectional representation being cushion block and reinforcing between pipe fitting.
Fig. 5 be B in Fig. 2 to sectional view, be outsourcing anchor ear, outsourcing section of jurisdiction, cross sectional representation between cushion block and reinforcing pipe fitting.
Number in the figure: 1-first outsourcing section of jurisdiction, 2-second outsourcing section of jurisdiction, 3-fastener, 4-connecting bolt, 5-rubber spacer, 6-bayonet socket, 7-cushion block, 8-reinforces pipe fitting.
Detailed description of the invention
Embodiment,
See Fig. 1, Fig. 2 and Fig. 4, Fig. 5, Fig. 1, be only shown in Fig. 2 and schematic diagram is reinforced to one section of pipe fitting of steel structure net rack component, Fig. 4, Fig. 5 is the inside close-up schematic view after pipe fitting is reinforced, when reinforcing the reinforcing pipe fitting 8 of the rack component gone wrong, adopt several cushion blocks 7, cushion block 7 is strip, be close to vertically and reinforce pipe fitting 8 outer wall, and line is evenly arranged (if the direction of rack member stress is single centered by the axis reinforcing pipe fitting 8, can at yielding direction many layouts cushion block), cushion block 7 and need reinforcement between pipe fitting 8 and have outer contacting face but soap-free emulsion polymeization, all cushion blocks are by the overclad tubes parcel of a splicing, by fastener 3 just cushion block 7 and reinforcing together with pipe fitting 8 is fixed and clamped, cushion block adopts the form be partially filled, when reinforcing in high-altitude, own wt is alleviated while effective fastening strength is provided.
Cushion block 7 is steel cushion block, the present embodiment preferably adopts Maraging steel, Maraging steel has good toughness and good heat-treatability, cushion block 7 is weldingly fixed on the inwall of outsourcing section of jurisdiction vertically, realize the prefabricated of steel cushion block and outsourcing section of jurisdiction, directly completed the setting of cushion block by the splicing of outsourcing section of jurisdiction, its thickness is the distance between outsourcing section of jurisdiction to the component needed reinforcement just, plays the effect of transmitting force and the instantaneous extruding of buffering.Cushion block 7 is corresponding cambered surface with the joint face of reinforcing pipe fitting, improves laminating degree.When the steel structure net rack component needed reinforcement is not carried out to any unloading, reinforcement of weld or changes rod member, by steel cushion block, the power on the pipe fitting of rack component is passed to overclad tubes, overclad tubes also can adopt the material identical with steel cushion block, retrain by overclad tubes, fastener acting in conjunction the component needed reinforcement and produce part plan distortion, Member overall buckling, certain correcting is played to the component producing local distortion or flexing simultaneously, make component to be reinforced be in three stresses, thus improve overall bearing capacity.
In conjunction with see Fig. 3, the overclad tubes of the present embodiment adopts two pieces of outsourcing sections of jurisdiction to realize, comprise the first outsourcing section of jurisdiction 1 and the second outsourcing section of jurisdiction 2, the main body of two outsourcing sections of jurisdiction is semi-circular cross-section, be stitched together the overall overclad tubes just in time being formed and encase cushion block 7 and reinforce pipe fitting 8, the axial side in both sides of the first outsourcing section of jurisdiction 1 and the second outsourcing section of jurisdiction 2 is provided with mutually chimeric bayonet socket 6, for the spliced axial location in outsourcing section of jurisdiction, prevent axial slip between outsourcing section of jurisdiction, outsourcing section of jurisdiction is by having more high-tensile steel pipe sheet, be spliced into the steel pipe that a sectional area is larger, for holding steel cushion block and reinforcing pipe fitting, bayonet socket splicing prevents it from mutually sliding along tangent plane direction when stressed.
Preferably, fastener is at least two outsourcing cuffs 3 along reinforcing pipe fitting axis arranged, fixes banding on the outsourcing section of jurisdiction of splicing by connecting bolt 4.Rubber spacer 5 is provided with between the outsourcing section of jurisdiction of outsourcing cuff 3 and splicing.
The concrete reinforcing implementation step of the present embodiment is as follows:
1) carry out cross sectional dimensions amount to the pipe fitting of the steel structure net rack component needed reinforcement to determine.
2) according to sectional dimension, make outsourcing section of jurisdiction with bayonet and steel cushion block in the factory in advance, the thickness of steel cushion block equals the distance between outsourcing section of jurisdiction and the pipe fitting needed reinforcement just, and is welded in one by one inside outsourcing section of jurisdiction by steel cushion block.
3) amount determines the rear overclad tubes cross sectional dimensions formed of outsourcing section of jurisdiction splicing, makes outsourcing with the outsourcing cuff of antiseptic rubber bed course and the bolt choosing correspondence according to cross sectional dimensions.
4) in reinforcing at the scene and implementing, directly outsourcing section of jurisdiction is coated on together with connection steel cushion block and reinforces on pipe fitting, between outsourcing section of jurisdiction, be spliced to form a complete overclad tubes by bayonet socket.
5) outsourcing cuff is enclosed within overclad tubes, tights a bolt and carry out fastening and fix.
The length of the Elements of Space Grid Truss component reinforced as required, setting needs the quantity of the outsourcing cuff arranged, and carry out step 5 successively), until each member in tight of the utility model links together, reinforce stabilization effect is played to the component needed reinforcement.
These are only preferred embodiment of the present utility model, for a person skilled in the art, the utility model can have various modifications and variations, to the adjustment of the change of any proportionate relationship that technique scheme is made or strengthening length, position, do not affecting under effect that the utility model can produce and institute achieve the goal, technology contents that the utility model discloses all should be included in and obtain within the scope that can contain.
Claims (10)
1. the ruggedized construction of a steel structure net rack component, it is characterized in that: comprise several cushion blocks being axially fixed in rack component outer ring (7), described cushion block (7) is close to reinforcing pipe fitting (8) outer wall of rack component vertically, and have overclad tubes at cushion block overcoat, described block grip is fixed on the outer wall of reinforcing pipe fitting;
Described overclad tubes is spliced by the arc outsourcing section of jurisdiction of the axial cutting of at least two panels, and spliced outsourcing section of jurisdiction outer wall is provided with fastener (3), described overclad tubes by fastener by cushion block with reinforce together with pipe fitting is fixed and clamped.
2. the ruggedized construction of a kind of steel structure net rack component according to claim 1, described cushion block (7) line centered by the axis reinforcing pipe fitting (8) is evenly arranged.
3. the ruggedized construction of a kind of steel structure net rack component according to claim 2, described cushion block (7) is steel cushion block.
4. the ruggedized construction of a kind of steel structure net rack component according to claim 3, described steel cushion block adopts Maraging steel.
5. the ruggedized construction of a kind of steel structure net rack component according to claim 2, described cushion block (7) is weldingly fixed on the inwall of outsourcing section of jurisdiction vertically.
6. the ruggedized construction of a kind of steel structure net rack component according to claim 5, described cushion block (7) is corresponding cambered surface with the joint face of reinforcing pipe fitting.
7. the ruggedized construction of a kind of steel structure net rack component according to any one of claim 1-6, described outsourcing section of jurisdiction docking side is each other provided with mutually chimeric bayonet socket (6).
8. the ruggedized construction of a kind of steel structure net rack component according to claim 7, described outsourcing section of jurisdiction is two pieces, and its main body is semi-circular cross-section, and the axial side in both sides is provided with bayonet socket (6).
9. the ruggedized construction of a kind of steel structure net rack component according to claim 1, described fastener (3) is at least two outsourcing cuffs along reinforcing pipe fitting axis arranged, and described outsourcing cuff fixes banding on the outsourcing section of jurisdiction of splicing by connecting bolt (4).
10. the ruggedized construction of a kind of steel structure net rack component according to claim 9, is provided with rubber spacer (5) between described outsourcing cuff and the outsourcing section of jurisdiction of splicing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270447.0U CN204590652U (en) | 2015-04-29 | 2015-04-29 | A kind of ruggedized construction of steel structure net rack component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270447.0U CN204590652U (en) | 2015-04-29 | 2015-04-29 | A kind of ruggedized construction of steel structure net rack component |
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| CN204590652U true CN204590652U (en) | 2015-08-26 |
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| CN201520270447.0U Expired - Fee Related CN204590652U (en) | 2015-04-29 | 2015-04-29 | A kind of ruggedized construction of steel structure net rack component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023177A (en) * | 2017-05-23 | 2017-08-08 | 浙江精工钢结构集团有限公司 | A kind of dome-like roof temporary reinforcement method |
| CN109723227A (en) * | 2019-02-28 | 2019-05-07 | 北京市第三建筑工程有限公司 | A kind of adherent cup joint style circle rod piece resistance to compression bracing means and reinforcement means |
| CN110284655A (en) * | 2019-07-02 | 2019-09-27 | 中冶建筑研究总院有限公司 | Steel column can be restored using the prestressing force that clamping hoop type round tube constrains |
| CN110670937A (en) * | 2019-10-18 | 2020-01-10 | 山东大学 | Interval reinforcing device and method for service power transmission tower |
| CN114412222A (en) * | 2022-01-25 | 2022-04-29 | 中建二局安装工程有限公司 | Reinforced structure of rack bracing piece |
-
2015
- 2015-04-29 CN CN201520270447.0U patent/CN204590652U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023177A (en) * | 2017-05-23 | 2017-08-08 | 浙江精工钢结构集团有限公司 | A kind of dome-like roof temporary reinforcement method |
| CN109723227A (en) * | 2019-02-28 | 2019-05-07 | 北京市第三建筑工程有限公司 | A kind of adherent cup joint style circle rod piece resistance to compression bracing means and reinforcement means |
| CN110284655A (en) * | 2019-07-02 | 2019-09-27 | 中冶建筑研究总院有限公司 | Steel column can be restored using the prestressing force that clamping hoop type round tube constrains |
| CN110670937A (en) * | 2019-10-18 | 2020-01-10 | 山东大学 | Interval reinforcing device and method for service power transmission tower |
| CN110670937B (en) * | 2019-10-18 | 2020-05-08 | 山东大学 | Interval reinforcing device and method for service power transmission tower |
| CN114412222A (en) * | 2022-01-25 | 2022-04-29 | 中建二局安装工程有限公司 | Reinforced structure of rack bracing piece |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160429 |