CN102182248B - Connecting node of novel circular pipe and preparation method thereof - Google Patents

Connecting node of novel circular pipe and preparation method thereof Download PDF

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Publication number
CN102182248B
CN102182248B CN 201110087408 CN201110087408A CN102182248B CN 102182248 B CN102182248 B CN 102182248B CN 201110087408 CN201110087408 CN 201110087408 CN 201110087408 A CN201110087408 A CN 201110087408A CN 102182248 B CN102182248 B CN 102182248B
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CN
China
Prior art keywords
web member
stiffener
truss
vertical web
member
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CN 201110087408
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Chinese (zh)
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CN102182248A (en
Inventor
周观根
何挺
洪王东
郭振华
普秋菊
沈小达
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浙江东南网架股份有限公司
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Priority to CN 201110087408 priority Critical patent/CN102182248B/en
Publication of CN102182248A publication Critical patent/CN102182248A/en
Application granted granted Critical
Publication of CN102182248B publication Critical patent/CN102182248B/en

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Abstract

The invention relates to a connecting node, in particular to a connecting node for a spatial pipe truss web member and a chord member and a preparation method thereof, and belongs to the field of building steel structures. The connecting node comprises a vertical web member, a stiffening plate is arranged in the vertical web member, four quadrants of the stiffening plate are outwards extended to form extension ends respectively, the extension ends are provided with truss chord members, the heads of the truss chord members are provided with clamping grooves, the extension ends of the stiffening plate are clamped in the clamping grooves, and the ends of the truss chord members are fixed with the vertical web member. The connecting node of a novel circular pipe has reasonable structure, reasonable stress, simple construction and promoted safety.

Description

Connected node of a kind of novel circular tube and preparation method thereof

Technical field

Patent of the present invention relates to a kind of connected node, relates in particular to connected node of a kind of space tube truss web member and chord member and preparation method thereof, belongs to the construction steel structure field.

Background technology

Large span space pipe trussed construction is weighed the important symbol of building science technical level often at present, also is the symbol of a development of civilization degree.In recent years, along with the raising of architectural design level and the development of process equipment, the research of the theory and technology of novel large span space pipe trussed construction has also obtained deep development.For satisfying the architectural image requirement, various joint forms have also obtained utilization in a plurality of engineering reality, and have obtained good social benefit and economic benefit.Guangdong scientific center structural steelwork for example, this project span is big, and building requirements is high, needs lighting is hidden in the rod member, therefore the whole roofing truss form of structure that all adopted the web member lower end to expose.

Summary of the invention

The present invention solves the deficiency that exists in the prior art, and a kind of simple and practical space tube truss web member and connected node of chord member and preparation method thereof are provided.

Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:

A kind of connected node of novel circular tube comprises vertical web member, is provided with stiffener in the described vertical web member; The four-quadrant of described stiffener outwards is extended with the end that extends respectively; Described extension end is provided with chord member of truss, and the outside that the end that extends extends to vertical web member is connected with chord member of truss, and the head of described chord member of truss is provided with draw-in groove; The extension end of described stiffener is connected in the draw-in groove, and the end of described chord member of truss fixes with vertical web member.

This node is different from general space and passes through welding node mutually, but cross-stiffened plate is penetrated web member, is connected with cruciform gusset plate through rod member, makes rod member stressed clear and definite more, effective.

With the space truss rod member through the joint form that cruciform gusset plate connects, have that construction is simple, truss assembly unit accurate positioning, steel pipe and weld seam stressed more reasonable effectively, structural performance is reliable, make easy, low cost and other advantages.And avoided pipe node place rod member partial pressing inadequately and pass through adverse effects such as welding stress and weld seam be overlapping mutually.

As preferably; Described vertical web member comprises web member and envelope bar; Described stiffener is located between web member and envelope bar; Described web member is fastened through the penetration layer with envelope bar and stiffener, and described chord member of truss is fastened through the penetration layer with vertical web member, and the extension end of described chord member of truss and stiffener is fastened through the penetration layer.

As preferably, be provided with shrouding on the bottom of envelope bar in the described vertical web member.

A kind of preparation method of connected node of novel circular tube, carry out according to the following steps:

(1), with chord member of truss after passing through on the cutter accurately the location mutually, utilize and pass through cutter accurately fluting and shaping draw-in groove mutually;

(2), the angle between the strength plate, thickness of slab woven data in advance read in plasma panel Numerical control cutting equipment, utilize equipment can accurately process stiffener;

(3), carry out on-site consolidation; Vertical web member is broken off formation web member and envelope bar, and the bevel angle of vertical web member gap is that 30 degree~45 are spent, and stiffener penetrates in the vertical web member simultaneously; Web member and envelope bar penetration weld are on stiffener, and the gap between web member and the envelope bar is 2~5mm; Stiffener is penetrated in the draw-in groove of chord member of truss, the length of draw-in groove manys 5mm than the extend length of end of stiffener, and the width of draw-in groove is held than the extension of stiffener and manyed 2mm, and chord member of truss and stiffener carry out penetration and weld, and through ultrasonic testing/ ultrasonic examination, percentage of detection is 100%.

(4), the lower end of vertical web member is shut with the circular shrouding of equal diameter, the upper end adopts the inscribed circle plate to be welded in the vertical web member;

(5), carry out manual grinding, remove the burr on the draw-in groove mouth.

Joint form of the present invention, have that construction is simple, truss assembly unit accurate positioning, steel pipe and weld seam stressed more reasonable effectively, structural performance is reliable, make easily, reduction steel using amount, low cost and other advantages.Avoided pipe node place rod member partial pressing inadequately and pass through adverse effects such as welding stress and weld seam be overlapping mutually.

Therefore, connected node of a kind of novel circular tube of the present invention and preparation method thereof, rational in infrastructure, reasonable stress, construction is simple, improving safety.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a perspective exploded view of the present invention;

Fig. 3 is a sectional structure sketch map of the present invention.

The specific embodiment

Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.

Embodiment 1: like Fig. 1, Fig. 2 and shown in Figure 3, a kind of connected node of novel circular tube comprises vertical web member 1; Be provided with stiffener 2 in the described vertical web member 1, the four-quadrant of described stiffener 2 outwards is extended with the end 3 that extends respectively, and described extension end 3 is provided with chord member of truss 4; The outside that the end 3 that extends extends to vertical web member 1 is connected with chord member of truss 4; The head of described chord member of truss 4 is provided with draw-in groove 5, and the extension end 3 of described stiffener 2 is connected in the draw-in groove 5, and the end of described chord member of truss 4 fixes with vertical web member 1; Described vertical web member 1 comprises web member 6 and envelope bar 7; Described stiffener 2 is located at web member 6 and 7 on bar of envelope, and described web member 6 is fastened through the penetration layer with stiffener 2 with envelope bar 7, and described chord member of truss 4 is fastened through the penetration layer with vertical web member 1; Described chord member of truss 4 is fastened through the penetration layer with the extension end 3 of stiffener 2, and the upper end, bottom of the envelope bar 7 in the described vertical web member 1 is provided with shrouding 8.

A kind of preparation method of connected node of novel circular tube, carry out according to the following steps:

(1), with chord member of truss 1 after passing through on the cutter accurately the location mutually, utilize and pass through cutter accurately fluting and shaping draw-in groove 5 mutually;

If welded tube, then slotting position should be avoided the position of straight weld;

(2), stiffener 2 data that will weave in advance read in plasma panel Numerical control cutting equipment, utilize equipment can accurately process stiffener 2;

(3), carry out on-site consolidation; Vertical web member 1 is broken off formation web member 6 and envelope bar 7, and the bevel angle of vertical web member 1 gap is 30 degree, and while stiffener 2 penetrates in the vertical web member 1; Web member 6 and envelope bar 7 penetration weld are on stiffener 2, and the gap between web member 6 and the envelope bar 7 is 2; Stiffener 2 is penetrated in the draw-in groove 5 of chord member of truss 4, the length of draw-in groove 5 manys 5mm than the extend length of end 3 of stiffener 2, and the width of draw-in groove 5 is held than the extension of stiffener 2 and manyed 2mm, and chord member of truss 4 carries out the penetration welding with stiffener 2, through ultrasonic testing/ ultrasonic examination;

(4), the lower end of vertical web member 1 is shut with the circular shrouding 8 of equal diameter, the upper end adopts the inscribed circle plate to be welded in the vertical web member 1;

(5), carry out manual grinding, remove the burr on 5 mouthfuls of the draw-in grooves.

Embodiment 2:

A kind of preparation method of connected node of novel circular tube, carry out according to the following steps:

(1), with chord member of truss after passing through on the cutter accurately the location mutually, utilize and pass through cutter accurately fluting and shaping draw-in groove mutually;

(2), the stiffener data that will weave in advance read in plasma panel Numerical control cutting equipment, utilize equipment can accurately process stiffener;

(3), carry out on-site consolidation, vertical web member broken off form web member and envelope bar, the bevel angle of vertical web member gap is 40 degree, stiffener penetrates in the vertical web member simultaneously, web member and envelope bar penetration weld are on stiffener, the gap between web member and the envelope bar is 3mm; Stiffener is penetrated in the draw-in groove of chord member of truss, the length of draw-in groove manys 5mm than the extend length of end of stiffener, and the width of draw-in groove is held than the extension of stiffener and manyed 2mm, and chord member of truss and stiffener carry out penetration and weld, through ultrasonic testing/ ultrasonic examination;

(4), the lower end of vertical web member is shut with the circular shrouding of equal diameter, the upper end adopts the inscribed circle plate to be welded in the web member;

(5), carry out manual grinding, remove the burr on the draw-in groove mouth.

Embodiment 3:

A kind of preparation method of connected node of novel circular tube, carry out according to the following steps:

(1), with chord member of truss after passing through on the cutter accurately the location mutually, utilize and pass through cutter accurately fluting and shaping draw-in groove mutually;

(2), the stiffener data that will weave in advance read in plasma panel Numerical control cutting equipment, utilize equipment can accurately process stiffener;

(3), carry out on-site consolidation, vertical web member broken off form web member and envelope bar, the bevel angle of vertical web member gap is 45 degree, stiffener penetrates in the vertical web member simultaneously, web member and envelope bar penetration weld are on stiffener, the gap between web member and the envelope bar is 5mm; Stiffener is penetrated in the draw-in groove of chord member of truss, the length of draw-in groove manys 5mm than the extend length of end of stiffener, and the width of draw-in groove is held than the extension of stiffener and manyed 2mm, and chord member of truss and stiffener carry out penetration and weld, through ultrasonic testing/ ultrasonic examination;

(4), the lower end of vertical web member is shut with the circular shrouding of equal diameter, the upper end adopts the inscribed circle plate to be welded in the web member;

(5), carry out manual grinding, remove the burr on the draw-in groove mouth.

Claims (3)

1. the connected node of a novel circular tube; It is characterized in that: comprise vertical web member (1), be provided with stiffener (2) in the described vertical web member (1), the four-quadrant of described stiffener (2) outwards is extended with the end (3) that extends respectively; Described extension end (3) is provided with chord member of truss (4); The outside that the end (3) that extends extends to vertical web member (1) is connected with chord member of truss (4), and the head of described chord member of truss (4) is provided with draw-in groove (5), and the extension end (3) of described stiffener (2) is connected in the draw-in groove (5); The end of described chord member of truss (4) fixes with vertical web member (1); Described vertical web member (1) comprises web member (6) and envelope bar (7), and described stiffener (2) is located between web member (6) and envelope bar (7), and described web member (6) is fastened through the penetration layer with envelope bar (7) and stiffener (2); Described chord member of truss (4) is fastened through the penetration layer with vertical web member (1), and described chord member of truss (4) is fastened through the penetration layer with the extension end (3) of stiffener (2).
2. the connected node of a kind of novel circular tube according to claim 1 is characterized in that: be provided with shrouding (8) on the bottom of the envelope bar (7) in the described vertical web member (1).
3. the preparation method of the connected node of a kind of novel circular tube according to claim 1 is characterized in that carrying out according to the following steps:
(1), with chord member of truss (1) after passing through on the cutter accurately the location mutually, utilize and pass through cutter accurately fluting and shaping draw-in groove (5) mutually;
(2), stiffener (2) data that will weave in advance read in plasma panel Numerical control cutting equipment, utilize equipment can accurately process stiffener (2);
(3), carry out on-site consolidation; Vertical web member (1) is broken off formation web member (6) and envelope bar (7); The bevel angle of vertical web member (1) gap is 30 degree~45 degree; Stiffener (2) penetrates in the vertical web member (1) simultaneously, and web member (6) and envelope bar (7) penetration weld are on stiffener (2), and the gap between web member (6) and the envelope bar (7) is 2~5mm; Stiffener (2) is penetrated in the draw-in groove (5) of chord member of truss (4); The length of draw-in groove (5) manys 5mm than the extend length of end of stiffener (2); The width of draw-in groove (5) manys 2mm than the extension end (3) of stiffener (2); Chord member of truss (4) carries out the penetration welding with stiffener (2), and through ultrasonic testing/ ultrasonic examination, percentage of detection is 100%;
(4), the lower end of vertical web member (1) is shut with the circular shrouding of equal diameter (8), the upper end adopts the inscribed circle plate to be welded in the vertical web member (1);
(5), carry out manual grinding, remove the burr on draw-in groove (5) mouth.
CN 201110087408 2011-04-08 2011-04-08 Connecting node of novel circular pipe and preparation method thereof CN102182248B (en)

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Application Number Priority Date Filing Date Title
CN 201110087408 CN102182248B (en) 2011-04-08 2011-04-08 Connecting node of novel circular pipe and preparation method thereof

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CN102182248B true CN102182248B (en) 2012-06-13

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493663A (en) * 2011-11-28 2012-06-13 中建八局大连建设工程有限公司 Installing method of steel structure pipe truss
CN102689142B (en) * 2012-05-30 2014-05-07 河北二十冶工程技术有限公司 Tube truss manufacture process
CN103437424B (en) * 2013-08-20 2015-08-05 浙江精工钢结构集团有限公司 A kind of pipe node transformational structure and preparation method thereof
CN104190956A (en) * 2014-08-27 2014-12-10 浙江精工钢结构集团有限公司 Method for assembling and locating intersecting round pipe
CN104847020A (en) * 2015-05-14 2015-08-19 浙江精工钢结构集团有限公司 Limb type circular tube node transferring structure and manufacturing method thereof
CN105625575A (en) * 2016-03-24 2016-06-01 中国建筑第八工程局有限公司 Oblique crossing circular pipe intersection face inner insertion plate turning connection structure
CN107906472A (en) * 2017-07-25 2018-04-13 浙江精工钢结构集团有限公司 A kind of large-scale lampshade modeling structure node in space and its processing method

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EP0651099A2 (en) * 1993-10-30 1995-05-03 HOME Co., Ltd. Connector for truss structure
CN101302775A (en) * 2008-07-02 2008-11-12 天津大学 Bolt connection prefabricated assembly quadrangular pyramid space grid structure and manufacturing method thereof
CN201221132Y (en) * 2008-07-08 2009-04-15 上海信安幕墙建筑装饰有限公司 Building network frame node component
CN101519893A (en) * 2009-03-02 2009-09-02 江阴纳尔捷机器人有限公司 Method for manufacturing multi-rod converging valve type space net shell node
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CN101892708A (en) * 2010-07-07 2010-11-24 浙江精工钢结构有限公司 Inserting plate type welding through node

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EP0651099A2 (en) * 1993-10-30 1995-05-03 HOME Co., Ltd. Connector for truss structure
CN101302775A (en) * 2008-07-02 2008-11-12 天津大学 Bolt connection prefabricated assembly quadrangular pyramid space grid structure and manufacturing method thereof
CN201221132Y (en) * 2008-07-08 2009-04-15 上海信安幕墙建筑装饰有限公司 Building network frame node component
CN101519893A (en) * 2009-03-02 2009-09-02 江阴纳尔捷机器人有限公司 Method for manufacturing multi-rod converging valve type space net shell node
CN101793058A (en) * 2010-03-09 2010-08-04 浙江东南网架股份有限公司 Bowl type bolt hollow sphere node
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Application publication date: 20110914

Assignee: CHENGDU DONGNAN STEEL STRUCTURE CO., LTD.

Assignor: Zhejiang Southeast Space Frame Stock Limted

Contract record no.: 2013510000127

Denomination of invention: Connecting node of novel circular pipe and preparation method thereof

Granted publication date: 20120613

License type: Exclusive License

Record date: 20131231

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20110914

Assignee: CHENGDU DONGNAN STEEL STRUCTURE CO., LTD.

Assignor: Zhejiang Southeast Space Frame Stock Limted

Contract record no.: 2013510000127

Denomination of invention: Connecting node of novel circular pipe and preparation method thereof

Granted publication date: 20120613

License type: Exclusive License

Record date: 20131231