CN201214831Y - Bolted and prefabrication assembled quadrangular pyramid space grid structure - Google Patents
Bolted and prefabrication assembled quadrangular pyramid space grid structure Download PDFInfo
- Publication number
- CN201214831Y CN201214831Y CNU2008200752041U CN200820075204U CN201214831Y CN 201214831 Y CN201214831 Y CN 201214831Y CN U2008200752041 U CNU2008200752041 U CN U2008200752041U CN 200820075204 U CN200820075204 U CN 200820075204U CN 201214831 Y CN201214831 Y CN 201214831Y
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- quadrangular pyramid
- web member
- headboard
- bolt
- modular unit
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Abstract
The utility model relates to a bolt connected with reformed-assembled quadrangular pyramid space grid structure which includes a quadrangular pyramid module unit, a lower chord member, an upper cover plate, a lower cover plate and a bolt. The quadrangular pyramid module unit consists of an upper chord chamber, an inclined web member, a rib plate, the top end plate of the web member and the bottom end plate of the web member; the lower end of the inclined web member is connected with the bottom end plate of the web member; the upper end is connected with the top end plate of the web member; the top end plate of the web member is connected with the upper chord member; the rib plate is arranged on the top end plate of the web member, thereby forming the quadrangular pyramid module unit. The quadrangular pyramid module unit is connected with the bolt through the upper cover plate on an upper layer; a lower layer is connected with the bolt through the lower chord member and the lower cover plate. The quadrangular pyramid module unit is fixed on a supporting structure by a saddle node for forming the bolt connected reformed-assembled quadrangular pyramid space grid structure. The structure unit of the utility model realizes industrial production; all the field is connected by adopting the bolt, thus avoiding field welding, shortening the construction period and the construction cost and being suitable for the quadrangular pyramid space grid structures of various forms.
Description
Technical field
The utility model relates to a kind of spatial mesh structure that adopts the quadrangular pyramid system, more particularly, relates to a kind of bolt connection prefabricated assembly quadrangular pyramid space grid structure.
Background technology
Advantages such as spatial mesh structure is light with its dead load, the leap spacial ability is strong have obtained great promotion and application in industrial construction and civilian construction, wherein be most widely used with the spatial mesh structure that adopts the quadrangular pyramid system especially.Quadrangular pyramid space grid structure commonly used at present generally adopts bolted spherical node or welded spherical node, and last lower chord and web member are generally selected steel pipe for use.Along with in application in engineering, this structural system exposes some self deficiency, mainly shows the following aspects:
1, the node of this structural system and member are respectively at produce in factory, carry out assembly unit then at the scene, so the site work amount are big, and the prefabricated degree of the batch production of member and modular unit is low, and the site operation cycle is longer, and construction cost is higher.
2, for the welded spherical node quadrangular pyramid space grid structure, the field Welding workload is big, and welding quality is difficult for guaranteeing, has certain welding stress and distortion simultaneously.
3, adopt the quadrangular pyramid space grid structure of bolted spherical node, the sightless bolt of field by using connects, part is made the required precision height, and, bring the certain structure potential safety hazard owing to reasons such as site operation error cause " vacation is tightened " phenomenon of bolt easily.
The utility model content
For overcoming the deficiency of above-mentioned existing quadrangular pyramid space grid structure technical elements, the utility model provides a kind of bolt connection prefabricated assembly quadrangular pyramid space grid structure.
The technical solution of the utility model is as follows:
A kind of bolt connection prefabricated assembly quadrangular pyramid space grid structure comprises quadrangular pyramid modular unit, lower chord, upper cover plate, lower cover, bolt; It is characterized in that: described quadrangular pyramid modular unit comprises upper chord, diagonal web member, floor, web member headboard and web member bottom end plate, wherein diagonal web member is welded to connect in lower end and web member bottom end plate, the upper end is welded to connect with the web member headboard, floor is arranged on the web member headboard by welding, and upper chord and web member headboard are welded to connect; The layer that winds up between the described quadrangular pyramid modular unit connects by bolt is set between upper cover plate and web member headboard; Connect by bolt between the upper chord between the described quadrangular pyramid modular unit; Described quadrangular pyramid modular unit is at the node place of lower edge layer, and lower chord, lower cover and web member bottom end plate be logical to be provided with bolt and to be connected, thus the formation bolt connection prefabricated assembly quadrangular pyramid space grid structure.The quadrangular pyramid module whole structure that assembles is fixed on the lower support structure by support node.
The quadrangular pyramid modular unit of described bolt connection prefabricated assembly quadrangular pyramid space grid structure can be divided into middle quadrangular pyramid modular unit, limit quadrangular pyramid modular unit, angle quadrangular pyramid modular unit.The web member headboard outward flange of middle quadrangular pyramid modular unit is equal with the upper chord outward flange, and a bolt hole, a floor are set on the web member headboard.In the quadrangular pyramid modular unit of limit, two web member headboards that are positioned on the structural perimeter are not equal with the upper chord outward flange, but protrude to the upper chord outward flange, protrude length and be about two upper chord flange widths, and two bolts hole and three floors are set on the web member headboard, and the structure of all the other two web member headboards is identical with middle quadrangular pyramid modular unit.In the quadrangular pyramid modular unit of angle, the web member headboard configurations that is positioned on the structural perimeter on the structure that is positioned at two web member headboards on the structural perimeter and the limit quadrangular pyramid modular unit is identical; The web member headboard that is arranged in inside configuration is identical with the web member headboard of quadrangular pyramid modular unit; And the web member headboard that is positioned at the structure bight is not equal with the upper chord outward flange, but outwards the upper chord outward flange protrudes, outwards the width that protrudes is equivalent to the flange width of upper chord, promptly when the upper chord on-site consolidation of angle quadrangular pyramid modular unit finishes peripheral channel-section steel, the outward flange of upper chord should be equal with the web member headboard, and be positioned on the web member headboard in structure bight a floor is set, bolt hole is not set.For angle quadrangular pyramid modular unit, when on-site consolidation finishes peripheral channel-section steel, need at floor of the bight of peripheral channel-section steel welding.For the quadrangular pyramid modular unit of angle, the assembling of its all parts can be prefabricated in the factory and finish.
Described bolt connection prefabricated assembly quadrangular pyramid space grid structure is by being connected bolt prefabricated quadrangular pyramid space grid structure and being fixed on the lower support structure in that weld seam or crab-bolt being set between the structural embedded board of lower support and the base-plate.
Described bolt connection prefabricated assembly quadrangular pyramid space grid structure, lower support structure comprise the lower edge bearing and the bearing that winds up, and the bearing that winds up can be divided into wind up limit bearing and last angle of chord bearing again.The lower edge bearing comprises bearing floor, base-plate, ribbed pipe; Between bearing floor and the lower cover, can be between ribbed pipe and the lower cover by being welded to connect; Between bearing floor and the base-plate, can be between ribbed pipe and the base-plate by being welded to connect, above-mentioned welding can be finished in factory, promptly in factory lower cover, bearing floor, base-plate and ribbed pipe is welded into a unit.The limit bearing that winds up comprises bearing floor, base-plate; By being welded to connect, being connected to be prefabricated in the factory between the welding between its bearing floor and the web member headboard, bearing floor and the base-plate and finishing between bearing floor and the web member headboard, between bearing floor and the base-plate.Last angle of chord bearing comprises bearing floor, base-plate; By being welded to connect, its all welding can be finished in factory between bearing floor and the web member headboard, between bearing floor and the base-plate.
Be positioned at quadrangular pyramid modular unit that bolt connects prefabricated quadrangular pyramid space grid structure periphery at the scene during assembly unit, need on peripheral upper chord, set up a peripheral channel-section steel, to increase the rigidity and the intensity of upper chord.
Described wind up and lower chord can be made of in channel-section steel, angle steel, steel plate, the rectangular steel pipe any; Diagonal web member can be made of steel pipe, angle steel; Bolt is a plain bolt.
The beneficial effects of the utility model be by some rod members in the quadrangular pyramid space grid structure after a modular unit is made by factory, assemble after transporting to the scene, solve the problem that welded spherical node structure field Welding workload is big and have welding stress and distortion preferably; It is avoided the bolted spherical node problem the problem includes: phenomenon is tightened in vacation and reaches the problem that has potential safety hazard accordingly by adopt visible bolt connecting mode between unit and member.Simultaneously,, therefore reduced the on-site consolidation workload, reduced construction period, saved construction cost because the most of rod member in this structure all is prefabricated into modular unit in engineering.Be particularly suitable in the medium and small span quadrangular pyramid space grid structure, using.
Description of drawings
Fig. 1 is a three dimensiona structure system schematic diagram of the present utility model;
Fig. 2 is quadrangular pyramid modular unit assembling schematic diagram;
Fig. 3 is a quadrangular pyramid modular unit schematic three dimensional views;
Fig. 4 is quadrangular pyramid modular unit bight 1 axonometric drawing;
Fig. 5 is quadrangular pyramid modular unit bight 1 vertical view;
Fig. 6 is quadrangular pyramid modular unit bight 2 vertical views;
Fig. 7 is quadrangular pyramid modular unit bight 2 upward views;
Fig. 8 is quadrangular pyramid modular unit bight 3 backsight axonometric drawings;
Fig. 9 is quadrangular pyramid modular unit bight 3 forward sight axonometric drawings;
Figure 10 is the centre node axonometric drawing that winds up;
Figure 11 is the centre node upward view that winds up;
Figure 12 is the periphery node axonometric drawing that winds up;
Figure 13 is middle lower-chord panel point axonometric drawing;
Figure 14 is middle lower-chord panel point exploded view;
Figure 15 is peripheral lower-chord panel point axonometric drawing;
Figure 16 is a bight lower-chord panel point axonometric drawing;
Figure 17 is a lower edge bearing axonometric drawing;
Figure 18 is the peripheral bearing axonometric drawing that winds up;
Figure 19 is the bight bearing axonometric drawing that winds up;
Among the figure, 1: quadrangular pyramid modular unit, 2: lower chord, 3: upper cover plate, 4: lower cover, 5: bolt, 6: upper chord, 7: diagonal web member, 8: web member bottom end plate, 9: floor, 10: the web member headboard, 11: bolt hole, 12: bearing floor, 13: base-plate, 14 ribbed pipes, 15: peripheral channel-section steel.
The specific embodiment
As depicted in figs. 1 and 2, bolt connection prefabricated assembly quadrangular pyramid space grid structure comprises quadrangular pyramid modular unit 1, lower chord 2, upper cover plate 3, lower cover 4, bolt 5.Quadrangular pyramid modular unit 1 is prefabricated in the factory, and comprises upper chord 6, diagonal web member 7, web member bottom end plate 8, floor 9, web member headboard 10 and prepared screw-bolt hole 11.Be connected with bolt 5 by upper cover plate 3 at the node place of winding up between the different quadrangular pyramid modular units behind the scene of being transported to, be connected with bolt 5 by lower chord 2, lower cover 4 at the lower-chord panel point place.Connect by bolt 5 between the upper chord 6 between the quadrangular pyramid modular unit 1, bolt quantity can be provided with two or more according to the size of upper chord, and present embodiment is provided with 4, as shown in Figure 3.After the scene finished the assembly unit of quadrangular pyramid modular unit, needing increased a peripheral channel-section steel 15 at the structural perimeter upper chord, with rigidity and the intensity that increases peripheral upper chord.
Quadrangular pyramid modular unit 1 can be divided into middle quadrangular pyramid modular unit, limit quadrangular pyramid modular unit, angle quadrangular pyramid modular unit.In web member 7 quantity of quadrangular pyramid modular unit be four, upper chord 6 quantity also are four, in the intersection of web member 7 with upper chord 6, web member 7 is welded in below the web member headboard 10, floor 9 and upper chord 6 be welded in web member headboard 10 above; Web member headboard 10 outward flanges are equal with upper chord 6 outward flanges, and a bolt hole 11, a floor 9 (triangular stall board), the relative position of its each assembly such as Fig. 3, Fig. 4, shown in Figure 5 are set on web member headboard 10.In the quadrangular pyramid modular unit of limit, the edge that is positioned at two web member headboards 10 on the structural perimeter is not equal with upper chord 6 outward flanges, but protrude to upper chord 6 outward flanges, protrude the twice that length is about upper chord 6 flange widths, and two bolts hole 11 and three floors 9 (triangular stall board, two plane floors) are set thereon, so that assembly unit periphery channel-section steel 15, the setting of two plane floors will note stopping the space of peripheral channel-section steel 15 on the web member headboard, the relative position of bolt hole 11, floor 9, web member headboard 10 such as Fig. 6, shown in Figure 7; The structure of all the other two web member headboards 10 is identical with the web member headboard 10 of middle quadrangular pyramid modular unit.In the quadrangular pyramid modular unit of angle, web member headboard 10 structures that are positioned on the structural perimeter on the structure that is positioned at two web member headboards 10 on the structural perimeter and the limit quadrangular pyramid are identical; Web member headboard 10 structures that are arranged in inside configuration are identical with web member headboard 10 structures of quadrangular pyramid modular unit; The web member headboard 10 that is positioned at the structure bight is distinguished to some extent with other web member headboard, its outward flange is not equal with upper chord 6 outward flanges, but outwards upper chord 6 outward flanges protrude, outwards the width that protrudes is equivalent to the flange width of upper chord 6, promptly when the time at the intact peripheral channel-section steel 15 of the upper chord assembly unit of angle quadrangular pyramid modular unit, the outward flange of upper chord 6 should be equal with web member headboard 10, a floor 9 (plane floor) is set on its web member headboard 10, bolt hole 11 is not set, when the intact peripheral channel-section steel 15 of angle quadrangular pyramid modular unit assembly unit, need at peripheral channel-section steel 15 a bights welding floor 9 (plane floor), for angle quadrangular pyramid modular unit, floor on connected peripheral channel-section steel and the peripheral channel-section steel can be assembled into an integral unit with it in factory, as Fig. 8, shown in Figure 9.
The place that crosses between two (on the structure limit) or four (in the middle of the structure) quadrangular pyramid modular units connects by a upper cover plate bolt is set, as Figure 10～shown in Figure 12.The node place of structure lower edge layer, a quadrangular pyramid modular unit is connected with two, three or four bolts by a lower cover with two (bights), three (on the limit) or four (centre) lower chords, as Figure 13～shown in Figure 16.Upper chord can be made of a kind of in channel-section steel, angle steel, steel plate, the rectangular steel pipe, and present embodiment adopts channel-section steel, as shown in Figure 4.Diagonal web member can be made of a kind of in steel pipe, the angle steel, and present embodiment adopts round steel pipe, as shown in Figure 4.Lower chord can be made of a kind of in channel-section steel, angle steel, steel plate, the rectangular steel pipe, and present embodiment adopts channel-section steel, as shown in figure 13.
At the lower-chord panel point place, also can adopt lower chord to connect and form that other direction interrupts in direction, wherein the lower chord of Guan Tonging is as if existing the edge of a wing then need excise its that part of edge of a wing in range of nodes, as shown in figure 14.
The bearing of bolt connection prefabricated assembly quadrangular pyramid space grid structure can be divided into the lower edge bearing and the bearing that winds up, the bearing that winds up can be divided into wind up limit bearing and last angle of chord bearing again, the lower edge bearing comprises bearing floor 12, base-plate 13, ribbed pipe 14, between bearing floor 12 and the lower cover 4, can be between ribbed pipe 14 and the lower cover 4 by being welded to connect, between bearing floor 12 and the base-plate 13, can be between ribbed pipe 14 and the base-plate 13 by being welded to connect, above-mentioned welding can be finished in factory, promptly in factory with lower cover 4, bearing floor 12, base-plate 13 and ribbed pipe 14 are welded into a unit, as shown in figure 17.The limit bearing that winds up comprises bearing floor 12, base-plate 13, between bearing floor 12 and the web member headboard 10, between bearing floor 12 and the base-plate 13 by being welded to connect, wherein the welding between bearing floor 12 and the web member headboard 10 can be finished in factory, the scene only needs to weld between bearing floor 12 and the base-plate 13 and is connected, as shown in figure 18.Last angle of chord bearing comprises bearing floor 12, base-plate 13, between bearing floor 12 and the web member headboard 10, between bearing floor 12 and the base-plate 13 by being welded to connect, its all welding can be finished in factory, be about to angle quadrangular pyramid modular unit and the angle bearing that winds up and be welded into a unit, as shown in figure 19 in factory.
By between the embedded board crab-bolt being set on base-plate 13 and the lower support structure or weld seam is fixed on bolt connection prefabricated assembly quadrangular pyramid space grid structure on the supporting construction of bottom.
When carrying out the fabrication and installation of bolt connection prefabricated assembly quadrangular pyramid space grid structure, at first according to the design drawing of bolt connection prefabricated assembly quadrangular pyramid space grid structure, divide quadrangular pyramid modular unit and respective accessory, promptly be configured in factory with middle quadrangular pyramid modular unit according to the design drawing size then, limit quadrangular pyramid modular unit, angle quadrangular pyramid modular unit, upper cover plate, lower cover, lower chord, element of construction such as support node and other respective accessory are accurately processed, subsequently these assemblies and accessory are transported to the job site, during on-the-spot the installation, can be according to on-the-spot erection equipment and steric requirements, or adopt method in bulk, or adopt piecemeal that method is installed, or adopt whole assembling lift-up method to carry out installing and fixing of assembly such as modular unit and accessory.
Claims (7)
1, a kind of bolt connection prefabricated assembly quadrangular pyramid space grid structure, comprise quadrangular pyramid modular unit, lower chord, upper cover plate, lower cover, bolt, it is characterized in that: described quadrangular pyramid modular unit comprises upper chord, diagonal web member, floor, web member headboard and web member bottom end plate, diagonal web member is welded to connect in lower end and web member bottom end plate, the upper end is welded to connect with the web member headboard, floor is arranged on the web member headboard by welding, and upper chord and web member headboard are welded to connect; The layer that winds up between the described quadrangular pyramid modular unit connects by bolt is set between upper cover plate and web member headboard, connect by bolt between the upper chord between the quadrangular pyramid modular unit, node place at the lower edge layer, connect by bolt is set between lower cover and web member bottom end plate between lower chord and the quadrangular pyramid modular unit, the quadrangular pyramid module whole structure that assembles is fixed on the lower support structure by support node.
2, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: prefabricated quadrangular pyramid space grid structure periphery upper chord is provided with a peripheral channel-section steel.
3, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: the quadrangular pyramid modular unit can be divided into middle quadrangular pyramid modular unit, limit quadrangular pyramid modular unit, angle quadrangular pyramid modular unit, the web member headboard outward flange of middle quadrangular pyramid modular unit is equal with the upper chord outward flange, and a bolt hole is set on the web member headboard, a floor, in the quadrangular pyramid modular unit of limit, two web member headboard outward flanges that are positioned on the structural perimeter are not equal with the upper chord outward flange, but protrude to the upper chord outward flange, protrude length and be about two upper chord flange widths, and two bolts hole and three floors are set on the web member headboard, the structure of all the other two web member headboards is identical with the web member headboard of middle quadrangular pyramid modular unit, in the quadrangular pyramid modular unit of angle, the web member headboard that is positioned on the structural perimeter on the structure that is positioned at two web member headboards on the structural perimeter and the limit quadrangular pyramid modular unit is identical; The structure that is arranged in the web member headboard of inside configuration is constructed identical with the web member headboard of quadrangular pyramid modular unit; The web member headboard outward flange that is positioned at the structure bight is not equal with the upper chord outward flange, but outwards the upper chord outward flange protrudes, outwards the width that protrudes is equivalent to the flange width of upper chord, the outward flange of promptly working as the upper chord of angle quadrangular pyramid modular unit should be equal with web member headboard outward flange, and be positioned on the web member headboard in structure bight a floor is set, bolt hole is not set.
4, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: upper chord and lower chord can be made of in channel-section steel, angle steel, steel plate, the rectangular steel pipe any; Diagonal web member can be made of in angle steel, the steel pipe any; Bolt is a plain bolt.
5, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: by bolt being connected prefabricated quadrangular pyramid space grid structure and being fixed on the lower support structure in that weld seam or crab-bolt being set between the structural embedded board of lower support and the base-plate.
6, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: described lower support structure comprises wind up bearing and lower edge bearing, and the bearing that wherein winds up can be divided into wind up limit bearing and last angle of chord bearing again; The limit bearing that winds up comprises bearing floor, base-plate; By being welded to connect, last angle of chord bearing comprises bearing floor, base-plate between bearing floor and the web member headboard, between bearing floor and the base-plate; Between bearing floor and the web member headboard, between bearing floor and the base-plate by being welded to connect.
7, bolt according to claim 1 connects prefabricated quadrangular pyramid space grid structure, it is characterized in that: described lower support structure comprises wind up bearing and lower edge bearing, and wherein the lower edge bearing comprises bearing floor, base-plate, ribbed pipe; Can be by being welded to connect between bearing floor and the lower cover, between ribbed pipe and the lower cover, between bearing floor and the base-plate, can be between ribbed pipe and the base-plate by being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200752041U CN201214831Y (en) | 2008-07-02 | 2008-07-02 | Bolted and prefabrication assembled quadrangular pyramid space grid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200752041U CN201214831Y (en) | 2008-07-02 | 2008-07-02 | Bolted and prefabrication assembled quadrangular pyramid space grid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214831Y true CN201214831Y (en) | 2009-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200752041U Expired - Fee Related CN201214831Y (en) | 2008-07-02 | 2008-07-02 | Bolted and prefabrication assembled quadrangular pyramid space grid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201214831Y (en) |
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2008
- 2008-07-02 CN CNU2008200752041U patent/CN201214831Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20110702 |