CN103469901B - A kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet and mounting method - Google Patents

A kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet and mounting method Download PDF

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Publication number
CN103469901B
CN103469901B CN201310441385.0A CN201310441385A CN103469901B CN 103469901 B CN103469901 B CN 103469901B CN 201310441385 A CN201310441385 A CN 201310441385A CN 103469901 B CN103469901 B CN 103469901B
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China
Prior art keywords
inserted sheet
steel
rod member
bamboo
hollow ball
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Expired - Fee Related
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CN201310441385.0A
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CN103469901A (en
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包茜虹
黄东升
高永辉
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Nanjing Forestry University
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Nanjing Forestry University
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Abstract

The present invention is a kind of bamboo net shell hollow ball connected node and mounting method of weldable steel inserted sheet, and its structure comprises M steel inserted sheet, M root bamboo rod member, M or M-1 individual put more energy into steel disc, hollow ball, a 2M bolt; Reserved circular arc type breach on one end of each steel inserted sheet, reserved A bolt hole on the other end of steel inserted sheet; The one end of the circular arc type breach that steel inserted sheet is reserved and hollow ball are welded and fixed; Reserved groove and B bolt hole on the end of each root bamboo rod member, one end of steel inserted sheet prepared screw-bolt hole is inserted in the reserved groove of bamboo rod member, the A bolt hole that steel inserted sheet is reserved aligns with B bolt hole reserved on bamboo rod member, and A bolt hole, B bolt hole two bolts are fixed; Steel inserted sheet between bamboo rod member and hollow ball welds steel disc of putting more energy into.Advantage: structure is simple, easily location and installation, power transmission clear, good integrity, easy-maintaining, environmental protection, and bamboo wood belongs to the renewable resource of environmental protection, and as the bar material of net shell connected node, environment-friendly advantage is given prominence to.

Description

A kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet and mounting method
Technical field
What the present invention relates to is a kind of bamboo net shell hollow ball connected node and mounting method of weldable steel inserted sheet, belongs to latticed shell structure field.
Background technology
Latticed shell structure is based on rod member, arranges regularly and the space structure system formed, act as main stress characteristic with " film " along certain curved surface.Latticed shell structure is good from heavy and light, the rigidity of structure, and structure is changeable, and aesthetic property is strong, and can cross over larger space, therefore has wide development space.Latticed shell structure extensively adopts steel and aluminium alloys as main structure body material, there is not yet the example that bamboo wood is applied to latticed shell structure, does not also just have the example of bamboo net shell connected node.
In China, bamboo wood is short renewable, the degradable biological material of a kind of aboundresources, growth cycle.Bamboo wood is generally only used to craft articles or as decorating and renovating material, but bamboo processing can have been become the structure material of good mechanical performance by current process technology, if be made into structural member, be applied to latticed shell structure, will the application of bamboo structure be widened and advance the development of Green environmental-protection building.
But bamboo wood is different from steel, aluminium can directly be welded to connect through row, is also different from concrete and can merges voluntarily and solidify connection, if use for reference the mortise-tenon joint of Traditional Wood structure, can weaken bamboo wood link cross section, reduce node strength, easily brittle fracture occurs.Bamboo rod member reliably couples together by connected mode which kind of therefore adopts be easy to realize rapidly, becomes the key issue that can bamboo latticed shell structure realize.
Summary of the invention
What the present invention proposed is a kind of bamboo net shell hollow ball connected node and mounting method of weldable steel inserted sheet, and its object is intended to the problems referred to above overcome existing for prior art, has structure simple, easy location and installation, power transmission is clear, good integrity, easy-maintaining, the advantages such as environmental protection.
Technical solution of the present invention: a kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet, its structure comprises M steel inserted sheet, M root bamboo rod member, M or M-1 individual put more energy into steel disc, hollow ball, a 2M bolt; Reserved circular arc type breach on one end of each steel inserted sheet, reserved A bolt hole on the other end of steel inserted sheet; The one end of the circular arc type breach that steel inserted sheet is reserved and hollow ball are welded and fixed; Reserved groove and B bolt hole on the end of each root bamboo rod member, one end of steel inserted sheet prepared screw-bolt hole is inserted in the reserved groove of bamboo rod member, the A bolt hole that steel inserted sheet is reserved aligns with B bolt hole reserved on bamboo rod member, and A bolt hole, B bolt hole two bolts are fixed; Steel inserted sheet between bamboo rod member and hollow ball welds steel disc of putting more energy into.
Advantage of the present invention:
1) structure is simple: the center of connected node is a hollow ball, one end steel inserted sheet being reserved circular arc type breach is welded on hollow ball, one end that steel inserted sheet reserves A bolt hole is inserted in the reserved groove of bamboo Rod end, then the A bolt hole reserved by steel inserted sheet aligns with B bolt hole reserved on bamboo rod member, and A bolt hole, B bolt hole bolt are fixed; Last steel inserted sheet between bamboo rod member and hollow ball welds steel disc of putting more energy into, a bamboo net shell hollow ball connected node can be formed.
2) easy location and installation: the center of connected node is a hollow ball, and the radius of the circular arc type breach that steel inserted sheet one end is reserved is consistent with connected hollow ball radius, therefore no matter the steel inserted sheet angle be welded on hollow ball is how many, can ensure the compact siro spinning technology with hollow ball, and location is convenient; One end that steel inserted sheet reserves A bolt hole is inserted in the reserved groove of bamboo Rod end, and the B bolt hole that the A bolt hole reserved of alignment steel inserted sheet and bamboo rod member are reserved, fixes with bolt and can complete connecting and installation of bamboo rod member.
3) power transmission is clear: the internal force suffered by bamboo rod member passes to steel inserted sheet by bolt, and power is passed to hollow ball by weld seam by steel inserted sheet, and Path of Force Transfer is clear and definite.
4) good integrity: the steel inserted sheet be welded on hollow ball is equivalent to a cantilever construction, in order to avoid bamboo rod member at Nodes because cross section is excessive and staggered, steel inserted sheet need give prominence to bamboo rod member one segment distance, the cantilever span of single steel inserted sheet is made to increase like this, the outer bending rigidity of plane diminishes, give prominence to bamboo rod portion at steel inserted sheet and weld steel disc of putting more energy into, the steel inserted sheet of all directions is connected in turn, both the cantilever span of single steel disc had been reduced, increase the out-of-plane bending rigidity of single steel disc, make again the steel inserted sheet that is connected on same hollow ball jointly stressed, thus improve the resistance to overturning of node.
5) easy-maintaining: when bamboo net shell is in installation or use procedure, when bamboo rod member is badly in need of changing because occurring the situation such as crack, overbending to affect the safety and stablization of whole latticed shell structure, only need unload bamboo rod member two ends for being connected bolt used with steel inserted sheet, take off the bamboo rod member of damage, change new bamboo rod member, the bolt unloaded before tightening again, can complete maintenance work.
6) environmental protection: China's bamboo timber resource enriches, selection is convenient; Bamboo wood growth cycle is short, and belongs to the renewable resource of environmental protection, therefore gives prominence to the environment-friendly advantage of bamboo wood as the bamboo structure Reticulated Domes of main structure body material.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in top down perspective of the bamboo net shell hollow ball connected node of weldable steel inserted sheet.
Fig. 2 be in Fig. 1 A-A to cross-sectional schematic.
Fig. 3 is single steel inserted sheet schematic diagram.
Fig. 4 is single bamboo rod schematic representation.
In figure 1 is hollow ball, and 2 is steel inserted sheets, and 3 is bamboo rod members, and 4 is bolts, and 5 is steel discs of putting more energy into, 6 circular arc type breach, and 7 is A bolts hole, and 8 is B bolts hole, 9 grooves, 10 pads.
Detailed description of the invention
Contrast accompanying drawing, a kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet, its structure comprises M steel inserted sheet, M root bamboo rod member, M or M-1 individual put more energy into steel disc, hollow ball, a 2M bolt; M=6;
Reserved circular arc type breach 6 on one end of wherein each steel inserted sheet 2, reserved A bolt hole 7 on the other end of steel inserted sheet 2; The one end of the circular arc type breach 6 that steel inserted sheet 2 is reserved and hollow ball 1 are welded and fixed;
Reserved groove 9 and B bolt hole 8 on the end of each root bamboo rod member 3, one end of steel inserted sheet 2 prepared screw-bolt hole is inserted in the reserved groove 9 of bamboo rod member 3, the A bolt hole 7 that steel inserted sheet 2 is reserved aligns with B bolt hole 8 reserved on bamboo rod member 3, and A bolt hole 7, B bolt hole 8 two bolts 4 are fixed; Steel inserted sheet 2 between bamboo rod member 3 and hollow ball 1 welds steel disc 5 of putting more energy into.
Described steel inserted sheet 2 reserves one end of circular arc type breach 6 and hollow ball 1, and to fix soldering angle be the angle that after bamboo net shell stress and strain model, bamboo rod member 3 axis is formed, and this angle is all less than 90 degree; Steel inserted sheet 2 other end reserves A bolt hole 7, for being connected with bamboo rod member.
What described every root bamboo rod member 3 adopted is the Recombined bamboo and bamboo material stacked material be made up after processing of former bamboo.
The cross section of described every root bamboo rod member 3 is rectangle, and the axis place at bamboo rod member 3 two ends reserves groove 9, reserved B bolt hole 8 on the direction of this groove 9 vertical centering control axis.
Described hollow ball 1 adopts steel to make.
The radius that circular arc type breach 6 is reserved in described steel inserted sheet 2 one end is consistent with the radius of connected hollow ball 1.
Be provided with pad 10 between described bolt 4 and the contact surface of bamboo rod member 3, avoid, on bamboo rod member 3 with the contact surface of bolt 4, partial pressing occurs and destroy.
Embodiment
As shown in Figure 1, a kind of mounting method of bamboo net shell hollow ball connected node of weldable steel inserted sheet, comprises the steps:
Its installation steps, comprising:
1) hollow ball 1 is numbered A1,6 steel inserted sheets 2 are numbered A1-a, A1-b, A1-c, A1-d, A1-e, A1-f respectively, and 6 corresponding bamboo rod members 3 are numbered A1a-B1a, A1b-B2a, A1c-B3a, A1d-B4a, A1e-B5a, A1f-B6a respectively;
2) hollow ball 1 being numbered A1 is placed on the welding equipment of band positioner;
3) A1-a will be numbered successively, A1-b, A1-c, A1-d, A1-e, one end that 6 steel inserted sheets 2 of A1-f reserve circular arc type breach 6 is welded on hollow ball 1, each steel inserted sheet 2 angle be welded on hollow ball 1 is that the angle that after bamboo net shell stress and strain model, rod member axis is formed is less than 90 degree, welding equipment is with positioner, this positioner is for measuring above-mentioned angle, and the radius that circular arc type breach 6 is reserved in one end of steel inserted sheet 2 is consistent with connected hollow ball 1 radius, these two measures did not form space when not only ensure that the accurate location of steel inserted sheet 2 and the soldering angle of hollow ball 1 but also steel inserted sheet 2 is docked with hollow ball 1 thus can compact siro spinning technology,
4) in the groove 9 that one end insertion bamboo rod member 3 according to numbering, steel inserted sheet 2 being reserved A bolt hole 7 is reserved, steel inserted sheet 2 as being numbered A1-a inserts in the groove 9 being numbered that end of A1a of bamboo rod member 3, the steel inserted sheet 2 being numbered A1-b inserts in the groove 9 being numbered that end of A1b of bamboo rod member 3, the like, bamboo rod member 3 and steel inserted sheet 2 are got up according to numbering one_to_one corresponding;
5) A bolt hole 7 reserved for steel inserted sheet 2 is alignd with B bolt hole 8 reserved on bamboo rod member 3, A bolt hole 7, B bolt hole 8 two bolts 4 are fixed, be provided with pad 10 between the contact surface of bolt 4 and bamboo rod member 3, avoid, on bamboo rod member 3 with the contact surface of bolt 4, partial pressing occurs and destroy;
6) the steel inserted sheet 2 between bamboo rod member 3 and hollow ball 1 welds steel disc 5 of putting more energy into, 6 the steel inserted sheets being numbered A1-a, A1-b, A1-c, A1-d, A1-e, A1-f are connected into an entirety by steel disc 5 of putting more energy into successively, so both reduced the cantilever span of single steel disc, increase the out-of-plane bending rigidity of single steel disc, make again 6 steel inserted sheets being connected on same hollow ball 1 jointly stressed, thus improve the resistance to overturning of node.

Claims (4)

1. a bamboo net shell hollow ball connected node for weldable steel inserted sheet, is characterized in that: comprise M steel inserted sheet, M root bamboo rod member, M or M-1 individual put more energy into steel disc, hollow ball, a 2M bolt; Described M=6;
Reserved circular arc type breach (6) on one end of wherein each steel inserted sheet (2), reserved A bolt hole (7) on the other end of steel inserted sheet (2); The one end of the circular arc type breach (6) that steel inserted sheet (2) is reserved and hollow ball (1) are welded and fixed;
Reserved groove (9) and B bolt hole (8) on the end of each root bamboo rod member (3), one end of steel inserted sheet (2) prepared screw-bolt hole is inserted in the reserved groove (9) of bamboo rod member (3), the A bolt hole (7) that steel inserted sheet (2) is reserved aligns with the upper reserved B bolt hole (8) of bamboo rod member (3), and A bolt hole (7), B bolt hole (8) are fixed with two bolts (4); The upper welding of steel inserted sheet (2) between bamboo rod member (3) and hollow ball (1) is put more energy into steel disc (5); Its mounting method, comprises the steps:
1) hollow ball (1) is numbered A1,6 steel inserted sheets (2) are numbered A1-a, A1-b, A1-c, A1-d, A1-e, A1-f respectively, and 6 corresponding bamboo rod members (3) are numbered A1a-B1a, A1b-B2a, A1c-B3a, A1d-B4a, A1e-B5a, A1f-B6a respectively;
2) hollow ball (1) being numbered A1 is placed on the welding equipment of band positioner;
3) A1-a will be numbered successively, A1-b, A1-c, A1-d, A1-e, one end of the reserved circular arc type breach (6) of 6 steel inserted sheets (2) of A1-f is welded on hollow ball (1), each steel inserted sheet (2) angle be welded on hollow ball (1) is that the angle that after bamboo net shell stress and strain model, rod member axis is formed is less than 90 degree, welding equipment is with positioner, this positioner is for measuring above-mentioned angle, and the radius that circular arc type breach (6) is reserved in one end of steel inserted sheet (2) is consistent with connected hollow ball (1) radius, these two measures did not form space when not only ensure that the accurate location of steel inserted sheet (2) and the soldering angle of hollow ball (1) but also steel inserted sheet (2) is docked with hollow ball (1) thus can compact siro spinning technology,
4) according to numbering, one end of reserved for steel inserted sheet (2) A bolt hole (7) is inserted in the reserved groove (9) of bamboo rod member, steel inserted sheet (2) as being numbered A1-a inserts in the groove (9) being numbered that end of A1a of bamboo rod member (3), the steel inserted sheet (2) being numbered A1-b inserts in the groove (9) being numbered that end of A1b of bamboo rod member (3), the like, bamboo rod member (3) and steel inserted sheet (2) are got up according to numbering one_to_one corresponding;
5) upper to A bolt hole (7) reserved for steel inserted sheet (2) and bamboo rod member (3) reserved (B) bolt hole (8) is alignd, A bolt hole (7), B bolt hole (8) are fixed with two bolts (4), be provided with pad (10) between the contact surface of bolt (4) and bamboo rod member (3), avoid, on the contact surface of bamboo rod member (3) with bolt (4), partial pressing occurs and destroy;
6) the upper welding of the steel inserted sheet (2) between bamboo rod member (3) and hollow ball (1) is put more energy into steel disc (5), 6 the steel inserted sheets being numbered A1-a, A1-b, A1-c, A1-d, A1-e, A1-f are connected into an entirety by steel disc (5) of putting more energy into successively, so both reduced the cantilever span of single steel disc, increase the out-of-plane bending rigidity of single steel disc, make again 6 steel inserted sheets being connected on same hollow ball jointly stressed, thus improve the resistance to overturning of node.
2. the bamboo net shell hollow ball connected node of a kind of weldable steel inserted sheet according to claim 1, is characterized in that: what described every root bamboo rod member (3) adopted is the Recombined bamboo and bamboo material stacked material be made up after processing of former bamboo.
3. the bamboo net shell hollow ball connected node of a kind of weldable steel inserted sheet according to claim 1, is characterized in that: described hollow ball (1) adopts steel to make.
4. the bamboo net shell hollow ball connected node of a kind of weldable steel inserted sheet according to claim 2, it is characterized in that: the cross section of described every root bamboo rod member (3) is rectangle, the axis place at bamboo rod member (3) two ends reserves groove (9), reserved B bolt hole (8) on the direction of this groove (9) vertical centering control axis.
CN201310441385.0A 2013-09-26 2013-09-26 A kind of bamboo net shell hollow ball connected node of weldable steel inserted sheet and mounting method Expired - Fee Related CN103469901B (en)

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