CN101158178A - Node-span long-stem braiding type reticulated shell structure - Google Patents
Node-span long-stem braiding type reticulated shell structure Download PDFInfo
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- CN101158178A CN101158178A CNA2007101344798A CN200710134479A CN101158178A CN 101158178 A CN101158178 A CN 101158178A CN A2007101344798 A CNA2007101344798 A CN A2007101344798A CN 200710134479 A CN200710134479 A CN 200710134479A CN 101158178 A CN101158178 A CN 101158178A
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Abstract
A cross-node long rod braided net-shell structure relates to a net-shell construction technology for a connection structure of braided nodes. The invention comprises two intersected rod connection nodes and bidirectional node fixtures, and at least one homodromous rod fixture is arranged between every two bidirectional node fixtures. By adopting the structure, the invention can realize combination stiffness of different rods and connection stiffness of the nodes via screwing down bolts before or after the elastic bending formation of the net-shell rods, the change range of the stiffness can be changed by realizing different heights of the net-shell web member via adjusting pinhole counterpoint positions on a core bar of a composite fixture and on a sleeve pipe, that is, the invention can confirm the pinhole counterpoint positions of the combination fixtures according to the net-shell layer height required by the design, allow or prevent the slippage between the combination components and between the nodes via the loose and tightness of the fixture, thereby realizing the stiffness transfer of a construction stage and a bearing stage with easy structure.
Description
Technical field
The present invention relates to a kind of net shell building technology of Weaving type node connecting structure.
Background technology
Latticed shell structure is widely applied in construction work, it is a kind of quite ripe space structures system, its mode of construction normally short straight rod connects by welding node or bolted spherical node, and this characteristics with the operation of standardization member its advantage when facing the higher net shell type of spatial shape complexity will be lost.All emphasize to have under the prerequisite of free organism building form in the spatial design of current a large amount of ecotectures, the probability that enough canonical form net shells of energy such as Kai Weite type etc. realize is reducing, and the difficulty of design and construction of in most cases non-standard ball node or welding node is all very big, the net shell of some complicated form, common rack construction enterprises even basic impotentia are finished space orientation and are built and install; The net shell of Weaving type node then can overcome above-mentioned shortcoming, it is that the many elongated rod members that will be laid on ground in the plane, base are formed crisscross plane grid, rod member does not interrupt in the intersection promptly adopting the Weaving type node and the welding or the bolted spherical node of non-traditional net shell, its building course is again the structural perimeter boundary point to be retrained the bearing net shell that firmly can obtain default form after utilizing construction equipment that plane grid jacking curvature is become the space net shell form, the operation of common net shell structure common and complex node construction can be avoided, therefore Weaving type node net shell especially is fit to off-gauge net shell-space form, but the Weaving type latticed shell structure is in the process of practice of construction, the requirement to the rigidity of structure of its jacking shaping stage and carrying stage is close to contradiction, at its jacking shaping stage is the construction phase, wish the relative gentle elasticity curvature distortion that is beneficial to of rigidity of rod member and node, entering the carrying stage after jacking is shaped expects that then the rod member rigidity of net shell is big as far as possible, but in the present existing Weaving type net shell building technology, rod member rigidity is changeless in two stages, can not the above-mentioned contradiction of fine solution, because the rigidity of rod member is in different phase and non-adjustable, limited the adaptive capacity of node-span long-stem braiding type reticulated shell, can't satisfy the flexible needs of actual architectural space different spans and rise-span ratio.
Summary of the invention
The shortcoming of the rigidity adaptive capacity deficiency when being applied in the actual engineering in order to overcome existing node-span long-stem braiding type reticulated shell, the invention provides a kind of node-span long-stem braiding type reticulated shell structure, can regulate the rod member and the node rigidity of elasticity curvature net shell very easily, improve structure at the rigidity value of construction phase, thereby structure is being built and two stages of carrying have different-stiffness.
The present invention adopts following technical scheme:
Two crossing rod member connected nodes are made of the bidirectional nodes anchor clamps, and at least one rod member anchor clamps in the same way is set between per two bidirectional nodes anchor clamps.
Above-mentioned bidirectional nodes anchor clamps comprise the node layer anchor clamps that wind up, lower edge node layer anchor clamps, the described node layer anchor clamps that wind up comprise first wind up a layer ambulatory splint, second wind up a layer ambulatory splint, a layer strap winds up; The second layer ambulatory splint that wind up is arranged on layer strap and first that wind up and winds up between layer ambulatory splint, first layer ambulatory splint and the second clamping vertical pole that winds up that winds up between layer ambulatory splint that winds up, second layer ambulatory splint and the clamping of winding up between layer strap cross bar that winds up that winds up; The first layer ambulatory splint, second that wind up winds up and the through hole that winds up that several mate mutually is set on layer ambulatory splint respectively, place the screw rod that winds up on described each through hole that winds up, the upper end of the screw rod nut that winds up that is threaded that winds up, the lower end is rigidly connected with layer strap that wind up; Described lower edge node layer anchor clamps comprise the first lower edge layer ambulatory splint, the second lower edge layer ambulatory splint, lower edge layer strap; The second lower edge layer ambulatory splint is arranged between the first lower edge layer ambulatory splint and the lower edge layer strap, clamping lower edge cross bar between the first lower edge layer ambulatory splint and the second lower edge layer ambulatory splint, clamping lower edge vertical pole between the second lower edge layer ambulatory splint and the lower edge layer strap; On the first lower edge layer ambulatory splint, the second lower edge layer ambulatory splint lower edge through hole that several mate mutually is set respectively, place the lower edge screw rod on described each lower edge through hole, the lower end of the lower edge screw rod lower edge nut that is threaded, upper end and lower edge layer strap are rigidly connected; Above-mentioned lower end of winding up the node layer anchor clamps is provided with several layer pin-and-hole core bars that wind up, the pin-and-hole core bar is rigidly connected with layer strap that wind up, the upper end of above-mentioned lower edge node layer anchor clamps is provided with and winds up layer corresponding lower edge layer of a pin-and-hole core bar number pin-and-hole sleeve pipe, pin-and-hole sleeve pipe and lower edge layer strap are rigidly connected, the internal diameter of described lower edge layer pin-and-hole sleeve pipe equates with the above-mentioned layer external diameter of pin-and-hole core bar that wind up, and above-mentioned node layer anchor clamps and the lower edge node layer anchor clamps of winding up are connected by wind up layer pin-and-hole core bar and lower edge layer pin-and-hole sleeve pipe.
Be respectively equipped with the bidirectional nodes anchor clamps pin-and-hole of a plurality of diverse locations on above-mentioned every wind up layer pin-and-hole core bar and the lower edge layer pin-and-hole sleeve pipe, place the bidirectional nodes anchor clamps pin that is complementary with its diameter on the bidirectional nodes anchor clamps pin-and-hole.The above-mentioned cross bar and first that the winds up layer ambulatory splint, second that wind up winds up first rubber spacer that winds up is set respectively between layer ambulatory splint, the vertical pole and second that winds up wind up a layer ambulatory splint, winding up is provided with second rubber spacer that winds up respectively between layer strap; Between the above-mentioned lower edge cross bar and the first lower edge layer ambulatory splint, the second lower edge layer ambulatory splint the first lower edge rubber spacer is set respectively, between the lower edge vertical pole and the second lower edge layer ambulatory splint, the lower edge layer strap the second lower edge rubber spacer is set respectively.
The above-mentioned anchor clamps of rod member in the same way comprise upper limbs rod member anchor clamps, lower limb rod member anchor clamps, and described upper limbs rod member anchor clamps comprise upper limbs ambulatory splint, upper limbs strap; The wind up vertical pole or the cross bar that winds up of clamping between upper limbs ambulatory splint and the upper limbs strap; Several upper limbs through hole is set on the upper limbs ambulatory splint, places the upper limbs screw rod on described each upper limbs through hole, the upper end of the upper limbs screw rod upper limbs nut that is threaded, lower end and upper limbs strap are rigidly connected; Described lower limb rod member anchor clamps comprise lower limb exercise clamping plate, lower limb strap; Clamping lower edge vertical pole or lower edge cross bar between lower limb exercise clamping plate and the lower limb strap; Several lower limb through hole is set on the lower limb exercise clamping plate, places the lower limb screw rod on described each lower limb through hole, the lower end of the lower limb screw rod lower limb nut that is threaded, upper end and lower limb strap are rigidly connected; Above-mentioned upper limbs rod member anchor clamps are provided with several upper limbs pin-and-hole core bars near an end of lower limb rod member anchor clamps, pin-and-hole core bar and upper limbs strap are rigidly connected, above-mentioned lower limb rod member anchor clamps are near an end setting and the corresponding lower limb pin-and-hole of the upper limbs pin-and-hole core bar number sleeve pipe of upper limbs rod member anchor clamps, pin-and-hole sleeve pipe and lower limb strap are rigidly connected, the internal diameter of described lower limb pin-and-hole sleeve pipe equates that with the external diameter of above-mentioned upper limbs pin-and-hole core bar above-mentioned upper limbs rod member anchor clamps and lower limb rod member anchor clamps are connected by upper limbs pin-and-hole core bar and lower limb pin-and-hole sleeve pipe.
Be respectively equipped with the anchor clamps of the rod member in the same way pin-and-hole of a plurality of diverse locations on above-mentioned every upper limbs pin-and-hole core bar and the lower limb pin-and-hole sleeve pipe, place the anchor clamps of the rod member in the same way pin that is complementary with its diameter in the same way on the rod member anchor clamps pin-and-hole.Between above-mentioned wind up vertical pole or wind up cross bar and upper limbs ambulatory splint, the upper limbs strap upper limbs rubber spacer is set respectively; Between above-mentioned lower edge vertical pole or lower edge cross bar and lower limb exercise clamping plate, the lower limb strap lower limb rubber spacer is set respectively.
The present invention adopts said structure, in the utilization lower edge compound rod as node-span long-stem braiding type reticulated shell in length and breadth two to stock, the compound mode of all directions combined member bar links the principle that realizes unit construction with similar compound beam member with shearing resistance and realizes, but the shearing connecting piece that the last lower chord spare of combination is adopted in the combined member bar is the form of the above-mentioned anchor clamps of rod member in the same way, rather than the shearing resistance peg in the compound beam, wherein upper and lower extremities rod member anchor clamps constitute by ambulatory splint and strap with rubber pad, the screw rod that the ambulatory splint perforate is rigidly connected on strap passes, can make the cross bar of string up and down or vertical pole by the clamping plate clamping by fastening nut, thereby the pin-and-hole core bar of going up the strap bottom surface of lower chord spare by separately simultaneously link to each other and form compound anchor clamps in pin-and-hole latch mode with the pin-and-hole sleeve pipe.In the elasticity curvature process in structure building stage, the nut of each anchor clamps is not tightened, also be that anchor clamps keep not clamped condition, rod member can free slippage in anchor clamps, lower chord spare is in the assembled state before the shearing resistance binding comes into force on this moment, though two bars are crooked simultaneously, belong to independent separately bending resistance but not the combination bending resistance, therefore be equivalent to not combined member of two bars; After putting in place, the structural elasticity curvature is in carrying during the stage, the nut of upper and lower extremities anchor clamps is all tightened, no longer allow slippage between rod member and anchor clamps, its shearing resistance binding comes into force then compound anchor clamps as shear connector, the upper and lower extremities rod member forms the common bending resistance of effective combined member, its bending rigidity can increase substantially before than nut screwing clamping, when the pin-and-hole of upper and lower extremities anchor clamps by core bar and sleeve pipe during, can select suitable contraposition pin-and-hole to constitute combined member according to the rigidity multiple that the carrying stage is compared required raising of construction phase mutually to bit combination.When combined member was finished pin-and-hole to bit combination by the less spacing of rod member up and down, the rigidity raising multiple of comparing behind the nut screwing clamping before tightening was also less; And when the spacing of rod member up and down of combined member is big, then compares rigidity before tightening behind the nut screwing clamping and improve multiple and also amplify rapidly.The appended rubber pad of upper and lower extremities anchor clamps middle clamp plate adapts to multiple bar cross section shape except playing, strengthens the frictional force effect of clamping, also can play certain bolt spring packing ring effect.
Combined member bar two will constitute net shell Weaving type node to the intersection in length and breadth, the shear connector of former upper and lower extremities combined member bar will be converted to the node anchor clamps of Double-level Reticulated Shell at this node place, but its basic functional principle is constant, just the upper and lower extremities anchor clamps respectively separately more has increased an ambulatory splint and has passed in anchor clamps for the stock that the net shell intersects direction, wherein upper limbs rod member anchor clamps develop into the wind up node anchor clamps of layer of net shell and come the clamping top layer in length and breadth two to crossing stock, lower limb rod member anchor clamps develop into net shell lower edge node layer anchor clamps and come the clamping bottom in length and breadth two to crossing stock, but the core bar of last lower node anchor clamps and sleeve combination mode are constant, be that every core bar and sleeve pipe plug together mutually and pin by pin-and-hole contraposition position latch, the core bar of locking and sleeve pipe then are equivalent to the web member of structure.
Compared with prior art, the invention has the beneficial effects as follows: can before and after net shell rod member elasticity curvature is shaped, obtain different rod member composite rigidities and node coupling stiffness by whether tightening of bolt, the amplitude of variation of rigidity can be by adjusting compound anchor clamps core bar obtain different net shell web member height with pin-and-hole contraposition position on the sleeve pipe and change, can determine the pin-and-hole contraposition position of built-up jig according to the net shell height of design needs, utilize the pine of anchor clamps and tightly allow or the forbidden combination member each other and their slippages between node, thereby finish the rigidity conversion of construction phase and carrying stage member, simple structure.
Description of drawings
Fig. 1 is the jacking curvature mode of construction schematic diagram of the node-span long-stem braiding type reticulated shell of individual layer.
Fig. 2 utilizes shear connector to realize the principle schematic of the combined member bar that bending rigidity can be regulated.
Fig. 3 is used to make up the fixture type shear connector of two zeugopodium spares in the same way among the present invention.
Fig. 4 is that the present invention is used to make up the three-dimensional structure schematic diagram of the upper limbs rod member anchor clamps of rod member in the same way.
Fig. 5 is that the present invention is used to make up the three-dimensional structure schematic diagram of the lower limb rod member anchor clamps of rod member in the same way.
Fig. 6 is that Fig. 4 and Fig. 5 are combined into the three-dimensional structure view of rod member anchor clamps in the same way.
Fig. 7 is that combined member bar of the present invention intersects the schematic diagram that forms the Weaving type grid in length and breadth.
Fig. 8 is the combined member bar bidirectional nodes anchor clamps three-dimensional structure view of intersection in length and breadth.
Fig. 9 is bidirectional nodes anchor clamps and adjacent three 3-D views of rod member anchor clamps connector in the same way of Weaving type net shell among the present invention.
Figure 10 is the working state schematic representation when after the combination stock curvature in the net shell puts in place the anchor clamps bolt being tightened.
The specific embodiment
The present invention is made of the bidirectional nodes anchor clamps two crossing rod member connected nodes, and at least one rod member anchor clamps in the same way is set between per two bidirectional nodes anchor clamps.
Above-mentioned bidirectional nodes anchor clamps comprise the node layer anchor clamps 3 that wind up, lower edge node layer anchor clamps 4, the described node layer anchor clamps 3 that wind up comprise first wind up layer ambulatory splint 31, second wind up layer ambulatory splint 32, layer strap 33 winds up; The second layer ambulatory splint 32 that wind up is arranged on layer strap 33 and first that wind up and winds up between layer ambulatory splint 31, first layer ambulatory splint 31 and second clamping vertical pole 34, the second layer ambulatory splint 32 and the clamping of winding up between layer strap 33 cross bar (35) that winds up that winds up that winds up that winds up between layer ambulatory splint 32 that winds up; The first layer ambulatory splint 31, second that wind up winds up and the through hole 36 that winds up that several mate mutually is set on layer ambulatory splint 32 respectively, place the screw rod 37 that winds up on described each through hole 36 that winds up, the upper end of screw rod 37 nut 38 that winds up that is threaded that winds up, the lower end is rigidly connected with layer strap 33 that wind up; Described lower edge node layer anchor clamps 4 comprise the first lower edge layer ambulatory splint 41, the second lower edge layer ambulatory splint 42, lower edge layer strap 43; The second lower edge layer ambulatory splint 42 is arranged between the first lower edge layer ambulatory splint 41 and the lower edge layer strap 43, clamping lower edge vertical pole 44 between clamping lower edge cross bar 45, the second lower edge layer ambulatory splint 42 and the lower edge layer strap 43 between the first lower edge layer ambulatory splint 41 and the second lower edge layer ambulatory splint 42; On the first lower edge layer ambulatory splint 41, the second lower edge layer ambulatory splint 42 the lower edge through hole 46 that several mate mutually is set respectively, place lower edge screw rod 47 on described each lower edge through hole 46, the lower end of the lower edge screw rod 47 lower edge nut 48 that is threaded, upper end and lower edge layer strap 43 are rigidly connected; Above-mentioned lower end of winding up node layer anchor clamps 3 is provided with several layer pin-and-hole core bars 39 that wind up, pin-and-hole core bar 39 is rigidly connected with layer strap 33 that wind up, the upper end of above-mentioned lower edge node layer anchor clamps 4 is provided with and winds up layer corresponding lower edge layer of pin-and-hole core bar 39 a numbers pin-and-hole sleeve pipe 49, pin-and-hole sleeve pipe 49 is rigidly connected with lower edge layer strap 43, the internal diameter of described lower edge layer pin-and-hole sleeve pipe 49 equates that with the above-mentioned layer external diameter of pin-and-hole core bar 39 that wind up the above-mentioned node layer anchor clamps 3 that wind up are connected with lower edge layer pin-and-hole sleeve pipe 49 by layer pin-and-hole core bar 39 that wind up with lower edge node layer anchor clamps 4.
Be respectively equipped with the bidirectional nodes anchor clamps pin-and-hole 391 of a plurality of diverse locations on above-mentioned every wind up layer pin-and-hole core bar 39 and the lower edge layer pin-and-hole sleeve pipe 49, place the bidirectional nodes anchor clamps pin 392 that is complementary with its diameter on the bidirectional nodes anchor clamps pin-and-hole 391.The above-mentioned cross bar 34 and first that the winds up layer ambulatory splint 31, second that wind up winds up first rubber spacer 341 that winds up is set respectively between layer ambulatory splint 32, the vertical pole 35 and second that winds up wind up layer ambulatory splint 32, winding up is provided with second rubber spacer 351 that winds up respectively between layer strap 33; Between the above-mentioned lower edge cross bar 45 and the first lower edge layer ambulatory splint 41, the second lower edge layer ambulatory splint 42 the first lower edge rubber spacer 441 is set respectively, between the lower edge vertical pole 44 and the second lower edge layer ambulatory splint 42, the lower edge layer strap 43 the second lower edge rubber spacer 451 is set respectively.
The above-mentioned anchor clamps of rod member in the same way comprise upper limbs rod member anchor clamps 1, lower limb rod member anchor clamps 2, and described upper limbs rod member anchor clamps 1 comprise upper limbs ambulatory splint 11, upper limbs strap 13; The wind up vertical pole 34 or the cross bar 35 that winds up of clamping between upper limbs ambulatory splint 11 and the upper limbs strap 13; Several upper limbs through hole 16 is set on the upper limbs ambulatory splint 11, places upper limbs screw rod 17 on described each upper limbs through hole 16, the upper end of the upper limbs screw rod 17 upper limbs nut 18 that is threaded, lower end and upper limbs strap 13 are rigidly connected; Described lower limb rod member anchor clamps 2 comprise lower limb exercise clamping plate 21, lower limb strap 23; Clamping lower edge vertical pole 44 or lower edge cross bar 45 between lower limb exercise clamping plate 21 and the lower limb strap 23; Several lower limb through hole 26 is set on the lower limb exercise clamping plate 21, places lower limb screw rod 27 on described each lower limb through hole 26, the lower end of the lower limb screw rod 27 lower limb nut 28 that is threaded, upper end and lower limb strap 23 are rigidly connected; Above-mentioned upper limbs rod member anchor clamps 1 are provided with several upper limbs pin-and-hole core bars 19 near an end of lower limb rod member anchor clamps 2, pin-and-hole core bar 19 is rigidly connected with upper limbs strap 13, above-mentioned lower limb rod member anchor clamps 2 are near an end setting and the corresponding lower limb pin-and-hole of the upper limbs pin-and-hole core bar 19 numbers sleeve pipe 29 of upper limbs rod member anchor clamps 1, pin-and-hole sleeve pipe (29) is rigidly connected with lower limb strap 13, the internal diameter of described lower limb pin-and-hole sleeve pipe 29 equates that with the external diameter of above-mentioned upper limbs pin-and-hole core bar 19 above-mentioned upper limbs rod member anchor clamps 1 are connected by upper limbs pin-and-hole core bar 19 and lower limb pin-and-hole sleeve pipe 29 with lower limb rod member anchor clamps 2.
Be respectively equipped with the anchor clamps of the rod member in the same way pin-and-hole 191 of a plurality of diverse locations on above-mentioned every upper limbs pin-and-hole core bar 19 and the lower limb pin-and-hole sleeve pipe 29, place the anchor clamps of the rod member in the same way pin 192 that is complementary with its diameter in the same way on the rod member anchor clamps pin-and-hole 191.Between above-mentioned wind up vertical pole 34 or wind up cross bar 35 and upper limbs ambulatory splint 11, the upper limbs strap 13 upper limbs rubber spacer 141 is set respectively; Between above-mentioned lower edge vertical pole 44 or lower edge cross bar 45 and lower limb exercise clamping plate 21, the lower limb strap 23 lower limb rubber spacer 241 is set respectively.
Fig. 1 is that the Weaving type net shell of individual layer is built forming process, as can be seen from the figure, node is not that common welding or ball node connects each quarter butt splicing, but the staggered plane grid of weaving into of the rod member of elongated or spreading, the plane grid of finishing can be carried after the constraint of net shell four limits by the net shell morphology of integral jacking to expectation.
Fig. 2 is the conceptual schematic view of the basic principle of following embodiment illustrated in fig. 6, the combination before curvature and in the curvature forming process of upper cord member and lower edge rod member belongs to non-effective assembled state, independent separately bending resistance, binding between the two link angle from shearing resistance and can be considered virtual connection; Only put in place in curvature and just upper cord member and lower edge rod member are configured to the common bending resistance of real combined member when use as bearing structure the back, this moment, shearing resistance binding between the two really played a role.
Fig. 3 has been device two in the same way zeugopodium spare schematic diagrames of fixture type shear connector, the upper and lower extremities anchor clamps link the compound anchor clamps of formation by upper limbs pin-and-hole core bar (19) and lower limb pin-and-hole sleeve pipe (29) respectively, each compound anchor clamps is along the uniform arrangement of rod member, upper limbs rod member and lower limb rod member are clamped in respectively in the corresponding clamping plate of upper and lower extremities anchor clamps, and whether effectively whether what shearing resistance linked can tighten definite by nut.
Fig. 4 is the upper limbs rod member anchor clamps of the anchor clamps of rod member in the same way of the present invention, as can be seen from the figure, rigidity links four upper limbs screw rods 37, four upper limbs pin-and-hole core bars 39 on the strap 11 of upper limbs rod member anchor clamps, four upper limbs screw rods 37 pass the through hole 36 of ambulatory splint, upper limbs nut 38 on the upper limbs screw rod 37 can limit the displacement scope of ambulatory splint, can make wind up vertical pole 34 or the cross bar 35 of winding up that pass between the clamping plate rubber spacer are completely fixed clamping after tightening.
Fig. 5 is the lower limb rod member anchor clamps of the anchor clamps of rod member in the same way of the present invention, as can be seen from the figure, its strap of lower limb rod member anchor clamps links four lower limb screw rods 27 that pass ambulatory splint away from an end rigidity of upper limbs rod member anchor clamps, what other end rigidity linked is four lower limb pin-and-hole sleeve pipes 29, and lower limb pin-and-hole sleeve pipe 29 can mate mutually with the upper limbs pin-and-hole core bar 19 of upper limbs rod member anchor clamps and be connected.
In Fig. 6, four lower limb pin-and-hole sleeve pipes 29 of four upper limbs pin-and-hole core bars 19 of the upper limbs rod member anchor clamps of rod member anchor clamps and lower limb rod member anchor clamps plug together mutually in the same way, utilize simultaneously and plug that rod member anchor clamps pin 192 is fixing in the same way after rod member anchor clamps pin-and-hole 191 contrapositions in the same way, the contraposition of the anchor clamps of the rod member in the same way pin-and-hole 191 on upper limbs pin-and-hole core bar 19 and the lower limb pin-and-hole sleeve pipe 29 has the selective adjusting in multiple position, can determine that contraposition selects the hole according to the desired last lower edge interlamellar spacing Double-level Reticulated Shell floor height of latticed shell structure when plugging together mutually.The difference adjustment of inserting position between upper limbs pin-and-hole core bar 19 and the lower limb pin-and-hole sleeve pipe 29 is reflected in and can regulates stiffness variation amplitude or the multiplication factor of upper and lower extremities rod member before and after combination on the architectural characteristic.
Fig. 7 among the present invention striding joint stock net shell before the jacking curvature at first by on the crisscross double layer planar grid that connects into of lower edge combination stock.
Fig. 8 is the node embodiment of combined member bar when weaving becomes to stride joint stock Double-level Reticulated Shell, upper limbs rod member anchor clamps develop and are the node layer anchor clamps that wind up, link upper chord, the strap of node layer anchor clamps of winding up links four screw rods that wind up away from an end rigidity of lower edge node layer anchor clamps, other end rigidity links four pin-and-hole core bars, four screw rods that wind up pass the through hole that winds up of two-layer ambulatory splint, the nut that winds up on the screw rod of winding up can limit the displacement scope of ambulatory splint, can make the upper chord between the rubber pad that passes on the clamping plate separately be completely fixed clamping after tightening.Lower limb rod member anchor clamps then develop and are lower edge node layer anchor clamps, link lower chord, the strap of lower edge node layer anchor clamps links four screw rods away from an end rigidity of the node anchor clamps that wind up, other end rigidity links four pin-and-hole sleeve pipes, be used for and the mutual inserting of pin-and-hole core bar of the node layer anchor clamps that wind up and fix with pin, pin-and-hole contraposition on pin-and-hole core bar and the pin-and-hole sleeve pipe has the selective adjusting in multiple position, and plugging together contraposition mutually, to select Kong Shike be that the Double-level Reticulated Shell floor height is definite according to the last lower edge interlamellar spacing of structure expectation.
In net shell elementary cell shown in Figure 9, comprise bidirectional nodes anchor clamps and three rod member anchor clamps in the same way, the pin-and-hole core bar of every pair of anchor clamps of last lower edge and pin-and-hole sleeve pipe are all by plugging the pin combination after the predetermined pin-and-hole contraposition, the vertical pole that winds up on each node, cross bar winds up, the lower edge vertical pole, the lower edge cross bar is respectively at the bidirectional nodes anchor clamps with after correspondence arranges in the rod member anchor clamps in the same way, utilize locknut loading activity clamping plate along respective threaded rod, when total is out of shape preceding double layer planar rack form for building the jacking curvature, the clamping plate bolt is not tightened but can be limited the displacement scope of ambulatory splint, therefore node has bigger freedom of movement, allow rack by each rod member slippage in node and rod member anchor clamps in the jacking curvature deformation process, has only when plane grid is become the net shell morphology of design by the jacking curvature just clamping plate bolt locking with each anchor clamps, this moment, rod member was fully retrained, fully can not slippage in each anchor clamps.For the higher structure of for example bearing dynamic loading of part load bearing requirements, can under nut, add the metal spring packing ring in addition and in the nut screwing clamping process, on clamping plate that are not compacted as yet and rod member contact surface, annotate cementing agent.
Figure 10 further specifies among Fig. 9 and to be the locking embodiment of node-span long-stem braiding type reticulated shell shearing resistance jockey, no matter be shear connector anchor clamps or the bidirectional nodes anchor clamps of going up lower chord spare during the jacking of double layer planar grid, its clamping plate bolt is not all locked, have only when double layer planar grid jacking curvature and after setting net hull shape shape, just locked, be about to the nut screwing clamping on the anchor clamps, this moment, this structure had the architectural characteristic of real Double-level Reticulated Shell, and bending rigidity will become the amplification rigidity value of going up after lower chord spare really makes up.
Claims (7)
1. node-span long-stem braiding type reticulated shell structure is characterized in that two crossing rod member connected nodes are made of the bidirectional nodes anchor clamps, are provided with at least one rod member anchor clamps in the same way between per two bidirectional nodes anchor clamps.
2. node-span long-stem braiding type reticulated shell structure according to claim 1, it is characterized in that above-mentioned bidirectional nodes anchor clamps comprise the node layer anchor clamps (3) that wind up, lower edge node layer anchor clamps (4), the described node layer anchor clamps (3) that wind up comprise first wind up a layer ambulatory splint (31), second wind up a layer ambulatory splint (32), a layer strap (33) winds up; The second layer ambulatory splint (32) that wind up is arranged on layer strap (33) and first that wind up and winds up between layer ambulatory splint (31), a first layer ambulatory splint (31) and the second clamping vertical pole (34) that winds up that winds up between layer ambulatory splint (32) that winds up, second a layer ambulatory splint (32) and the clamping of winding up between layer strap (33) cross bar (35) that winds up that winds up; The first layer ambulatory splint (31), second that wind up winds up and the through hole that winds up (36) that several mate mutually is set on layer ambulatory splint (32) respectively, place the screw rod that winds up (37) on described each through hole that winds up (36), the upper end of screw rod (37) nut (38) that winds up that is threaded that winds up, the lower end is rigidly connected with layer strap (33) that wind up; Described lower edge node layer anchor clamps (4) comprise the first lower edge layer ambulatory splint (41), the second lower edge layer ambulatory splint (42), lower edge layer strap (43); The second lower edge layer ambulatory splint (42) is arranged between the first lower edge layer ambulatory splint (41) and the lower edge layer strap (43), clamping lower edge cross bar (45) between the first lower edge layer ambulatory splint (41) and the second lower edge layer ambulatory splint (42), clamping lower edge vertical pole (44) between the second lower edge layer ambulatory splint (42) and the lower edge layer strap (43); On the first lower edge layer ambulatory splint (41), the second lower edge layer ambulatory splint (42) the lower edge through hole (46) that several mate mutually is set respectively, place lower edge screw rod (47) on described each lower edge through hole (46), the lower end of lower edge screw rod (47) the lower edge nut (48) that is threaded, upper end and lower edge layer strap (43) are rigidly connected; Above-mentioned lower end of winding up node layer anchor clamps (3) is provided with several layer pin-and-hole core bars (39) that wind up, pin-and-hole core bar (39) is rigidly connected with layer strap (33) that wind up, the upper end of above-mentioned lower edge node layer anchor clamps (4) is provided with and winds up layer pin-and-hole core bar (a 39) number corresponding lower edge layer pin-and-hole sleeve pipe (49), pin-and-hole sleeve pipe (49) is rigidly connected with lower edge layer strap (43), the internal diameter of described lower edge layer pin-and-hole sleeve pipe (49) equates that with the above-mentioned layer external diameter of pin-and-hole core bar (39) that wind up the above-mentioned node layer anchor clamps (3) that wind up are connected with lower edge layer pin-and-hole sleeve pipe (49) by layer pin-and-hole core bar (39) that wind up with lower edge node layer anchor clamps (4).
3. node-span long-stem braiding type reticulated shell structure according to claim 2, it is characterized in that being respectively equipped with on above-mentioned every wind up layer pin-and-hole core bar (39) and the lower edge layer pin-and-hole sleeve pipe (49) the bidirectional nodes anchor clamps pin-and-hole (391) of a plurality of diverse locations, place the bidirectional nodes anchor clamps pin (392) that is complementary with its diameter on the bidirectional nodes anchor clamps pin-and-hole (391).
4. node-span long-stem braiding type reticulated shell structure according to claim 2, it is characterized in that the above-mentioned cross bar that winds up (34) and the first layer ambulatory splint (31), second that wind up winds up first rubber spacer (341) that winds up is set respectively between layer ambulatory splint (32), the vertical pole that winds up (35) and second wind up a layer ambulatory splint (32), winding up is provided with second rubber spacer (351) that winds up respectively between layer strap (33); Between the above-mentioned lower edge cross bar (45) and the first lower edge layer ambulatory splint (41), the second lower edge layer ambulatory splint (42) the first lower edge rubber spacer (441) is set respectively, between the lower edge vertical pole (44) and the second lower edge layer ambulatory splint (42), the lower edge layer strap (43) the second lower edge rubber spacer (451) is set respectively.
5. node-span long-stem braiding type reticulated shell structure according to claim 1, it is characterized in that the above-mentioned anchor clamps of rod member in the same way comprise upper limbs rod member anchor clamps (1), lower limb rod member anchor clamps (2), described upper limbs rod member anchor clamps (1) comprise upper limbs ambulatory splint (11), upper limbs strap (13); Wind up vertical pole (34) or the cross bar that winds up (35) of clamping between upper limbs ambulatory splint (11) and the upper limbs strap (13); Several upper limbs through hole (16) is set on the upper limbs ambulatory splint (11), place upper limbs screw rod (17) on described each upper limbs through hole (16), the upper end of upper limbs screw rod (17) the upper limbs nut (18) that is threaded, lower end and upper limbs strap (13) are rigidly connected; Described lower limb rod member anchor clamps (2) comprise lower limb exercise clamping plate (21), lower limb strap (23); Clamping lower edge vertical pole (44) or lower edge cross bar (45) between lower limb exercise clamping plate (21) and the lower limb strap (23); Several lower limb through hole (26) is set on the lower limb exercise clamping plate (21), place lower limb screw rod (27) on described each lower limb through hole (26), the lower end of lower limb screw rod (27) the lower limb nut (28) that is threaded, upper end and lower limb strap (23) are rigidly connected; Above-mentioned upper limbs rod member anchor clamps (1) are provided with several upper limbs pin-and-hole core bars (19) near an end of lower limb rod member anchor clamps (2), pin-and-hole core bar (19) is rigidly connected with upper limbs strap (13), above-mentioned lower limb rod member anchor clamps (2) are near an end setting and upper limbs pin-and-hole core bar (19) the number corresponding lower limb pin-and-hole sleeve pipe (29) of upper limbs rod member anchor clamps (1), pin-and-hole sleeve pipe (29) is rigidly connected with lower limb strap (13), the internal diameter of described lower limb pin-and-hole sleeve pipe (29) equates that with the external diameter of above-mentioned upper limbs pin-and-hole core bar (19) above-mentioned upper limbs rod member anchor clamps (1) are connected by upper limbs pin-and-hole core bar (19) and lower limb pin-and-hole sleeve pipe (29) with lower limb rod member anchor clamps (2).
6. node-span long-stem braiding type reticulated shell structure according to claim 5, it is characterized in that being respectively equipped with on above-mentioned every upper limbs pin-and-hole core bar (19) and the lower limb pin-and-hole sleeve pipe (29) anchor clamps of the rod member in the same way pin-and-holes (191) of a plurality of diverse locations, place the anchor clamps of the rod member in the same way pins (192) that are complementary with its diameter in the same way on the rod member anchor clamps pin-and-hole (191).
7. node-span long-stem braiding type reticulated shell structure according to claim 5 is characterized in that between above-mentioned vertical pole that winds up (34) or the cross bar that winds up (35) and upper limbs ambulatory splint (11), the upper limbs strap (13) upper limbs rubber spacer (141) being set respectively; Between above-mentioned lower edge vertical pole (44) or lower edge cross bar (45) and lower limb exercise clamping plate (21), the lower limb strap (23) lower limb rubber spacer (241) is set respectively.
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| CN200710134479A CN100595399C (en) | 2007-10-30 | 2007-10-30 | Node-span long-stem braiding type reticulated shell structure |
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| CN200710134479A CN100595399C (en) | 2007-10-30 | 2007-10-30 | Node-span long-stem braiding type reticulated shell structure |
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| CN100595399C CN100595399C (en) | 2010-03-24 |
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| CN114523463B (en) * | 2022-02-17 | 2023-08-25 | 清华大学 | Distributed polar coordinate positioning grabbing system |
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