CN102966186B - A kind of node structure of rigidity single-layer latticed shell - Google Patents
A kind of node structure of rigidity single-layer latticed shell Download PDFInfo
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- CN102966186B CN102966186B CN201210557265.2A CN201210557265A CN102966186B CN 102966186 B CN102966186 B CN 102966186B CN 201210557265 A CN201210557265 A CN 201210557265A CN 102966186 B CN102966186 B CN 102966186B
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- bolt
- drum
- node structure
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- hollow rod
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Abstract
The present invention relates to a kind of latticed shell structure, particularly relate to a kind of single-layer latticed shell, in particular, be a kind of node structure of rigidity single-layer latticed shell, belong to roof building technical field.A node structure for rigidity single-layer latticed shell, is characterized in that: comprise six roots of sensation hollow rod (3), and described hollow rod (3) and shrouding (2) are welded and fixed, and its soldering angle can regulate; Also comprise bolt drum (1), described bolt drum (1) is in hollow cylindrical structure, and described bolt drum (1) at least one end face is provided with dismountable cover plate (101), and described bolt drum (1) circumference is laid with six groups of bolts hole; The shrouding (2) welded with hollow rod (3) is connected with described bolt drum (1) bolt by described bolt hole; Described bolt drum (1) is also provided with axle center bolt (4), and the main body bolt of described cover plate (101) with described bolt drum (1) is connected by described axle center bolt (4).
Description
Technical field
The present invention relates to a kind of latticed shell structure, particularly relate to a kind of single-layer latticed shell, in particular, be a kind of node structure of rigidity single-layer latticed shell, belong to roof building technical field.
Background technology
Latticed shell structure is a kind of Spacial Frame Structures similar with flat plate framed structure, is based on rod member, forms grid according to certain rules, the space frame arranged by shell structure.It has the character of leverage and housing concurrently.Its power transmission feature is mainly by the pulling force of both direction in shell, pressure or shearing pointwise power transmission.This structure is a kind of quite concerned, with broad prospects for development space structures both at home and abroad.The features such as compare steel work, latticed shell structure has lightweight, and structure is changeable, and aesthetic property is strong, are applicable to doing roof.Latticed shell structure is divided into individual layer and double-deck two kinds of forms, and wherein single-layer latticed shell is for being rigidly connected, and lighter in weight, save material.
The node structure of existing rigidity single-layer latticed shell, general employing rod member and the mode of directly welding between rod member, adopt the mode of this direct welding, in connecting in reality, angle between each rod member needs to adjust according to the true form of latticed shell structure, prior welding is difficult to guarantee connection angle required between rod member and rod member, roof is winched to again so cannot be welded on ground in advance, when needing to wait for that building binds, welder climbs up latticed shell structure, aloft it is welded, very dangerous, and it is very high to the skill set requirements of welder, rod member and rod member is there will be to situation about not going up after having welded, accurate not, simultaneously, the installation of latticed shell structure just can be carried out after needing to wait depth of building to bind, construction speed is slower.
In addition, the node structures such as such as bolt sphere, rod member and bolt sphere are hinged, and rod member can rotate, non-rigid connection, and bearing strength is lower, can not be applicable to the single-layer latticed shell of large span, high strength.
Summary of the invention
The technical problem that actual needs of the present invention solves is: the node structure of the rigidity single-layer latticed shell of the mode adopting this rod member and rod member directly to weld, in connecting in reality, angle between each rod member needs to adjust according to the true form of latticed shell structure, prior welding is difficult to guarantee connection angle required between rod member and rod member, roof is winched to again so cannot be welded on ground in advance, when needing to wait for that building binds, welder climbs up latticed shell structure, aloft it is welded, very dangerous, and it is very high to the skill set requirements of welder, rod member and rod member is there will be to situation about not going up after having welded, accurate not, simultaneously, the installation of latticed shell structure just can be carried out after needing to wait depth of building to bind, construction speed is slower.
The present invention is by the following technical solutions:
A node structure for rigidity single-layer latticed shell, comprises six roots of sensation hollow rod 3, and described hollow rod 3 is welded and fixed with shrouding 2, and its soldering angle can regulate; Also comprise bolt drum 1, described bolt drum 1 is in hollow cylindrical structure, and at least one end face of described bolt drum 1 is provided with dismountable cover plate 101, and described bolt drum 1 circumference is laid with six groups of bolts hole; The shrouding 2 welded with hollow rod 3 is connected with described bolt drum 1 bolt by described bolt hole; Described bolt drum 1 is also provided with axle center bolt 4, and the main body bolt of described cover plate 101 with described bolt drum 1 is connected by described axle center bolt 4.
Further, described six groups of bolts hole often group comprise two bolts hole of upper and lower setting.
Further, the bolt in described bolt hole and described bolt rouse between medial surface and are also provided with backing plate 5.
Further, the rectangular body structure of described hollow rod 3.
Further, described bolt drum 1 also comprises hoop ribs 102.
Further, described hoop ribs 102 is positioned at the middle part of described bolt drum 1.
Further, described bolt drum 1, hollow rod 3 adopts cast steel.
Feature of the present invention is: have employed the central module of bolt drum as the node structure of rigidity single-layer latticed shell, its circumference is carried out bolt by bolt with the parts comprising hollow rod and is connected, re-use axle center bolt the main body of cover plate and bolt drum is fixed, thus define rigidly fixing of node structure.The largest benefit of this node structure is, the place using welding procedure is only shrouding and hollow rod are welded and fixed, the overall structure that a shrouding and hollow rod are added together is still very little, be convenient to be aimed at by the welding equipment of band positioner in advance, the soldering angle adjusting to setting welds again, thus form the various hollow rod of different soldering angle and the connector of shrouding, hereinafter referred " connector ", again by carrying out label to different connectors, before carrying out site construction, first each connector is transported to job site, according to the connected mode designed in advance, assembler only need on ground, the connector of each label is carried out bolts assemblies with the bolt hole on corresponding bolt drum, form the fritter net shell that independent node structure or several node structure are connected to form, adopt a small amount of vertical bolster, the fritter net shell assembled on the ground is progressively lifted into design elevation in place, then entirety is connected into adjacent fritter net shell, until complete the assembling of whole rigidity single-layer latticed shell.
Beneficial effect of the present invention is:
1) structure is simple, and assembling is simple.
2) without the need to the welding operation work of high professional qualification.
3) welder does not need to climb on building top and carries out welding operation, greatly improves working security.
4) assembly precision is high, avoids rod member and rod member to situation about not going up.
5) building just synchronously can carry out the production assembling of latticed shell structure when constructing, and greatly improves efficiency of construction, shortens construction period, saved duration cost.
6) productive rate, quality, precision or efficiency is made to improve, field-installed mode wants more convenient and quicker than Site Welding, and prefabricated connector can overcome the error because workman's difference of technology level causes, and therefore the final effect of space structures is more accurate, total body construction more meets design standard, and quality is higher.
7) energy consumption, raw material, operation is made to save; Make processing, operation, control, use procedure easy, apparent, job site saves this operation of welding, and assembling is easier than welding, the training cost reduction of workman.
8) environment pollution is governed: job site without the need to getting angry, low-carbon environment-friendly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in top down perspective of the node structure of rigidity single-layer latticed shell of the present invention.
Fig. 2 be in Fig. 1 A-A to cross-sectional schematic.
Wherein, 1, bolt drum, 2, shrouding, 3, hollow rod, 4, axle center bolt, 5, backing plate, 101, cover plate, 102, hoop ribs.
Detailed description of the invention
See Fig. 1-2, a kind of node structure of rigidity single-layer latticed shell, comprises six roots of sensation hollow rod 3, and hollow rod 3 and shrouding 2 are welded and fixed, and its soldering angle can regulate; Also comprise bolt drum 1, bolt drum 1 is in hollow cylindrical structure, and at least one end face of bolt drum 1 is provided with dismountable cover plate 101, and bolt drum 1 circumference is laid with six groups of bolts hole; The shrouding 2 welded with hollow rod 3 is connected with bolt drum 1 bolt by bolt hole; Bolt drum 1 is also provided with axle center bolt 4, and cover plate 101 is connected with the main body bolt of bolt drum 1 by axle center bolt 4.Six groups of bolts hole often group comprise two bolts hole of upper and lower setting.Bolt in bolt hole and bolt rouse between medial surface and are also provided with backing plate 5.The rectangular body structure of hollow rod 3, stress surface is larger, therefore more firm than the hollow rod of tubular.Bolt drum 1 also comprises hoop ribs 102, and hoop ribs 102 is positioned at the middle part of bolt drum 1.Bolt drum 1, hollow rod 3 adopts cast steel manufacture.
When assembling this node structure, its step is as follows: be first placed on the welding equipment of device to be positioned by shrouding 2 and hollow rod, by the rod member angle needed for the node structure that designs in advance, shrouding 2 is welded with hollow rod, form the connector of hollow rod 3 and shrouding 2, and different connector is numbered; Connector is fixed on corresponding bolt hole by the bolt hole on bolt drum 1 according to numbering by assembler again, because the above and below of hollow rod 3 and shrouding 2 is plane, its angle of assembling is also very easily determined, only just need install it, just can reach required node structure.
Before carrying out site construction, first each connector is transported to job site, according to the connected mode designed in advance, assembler only need on ground, the connector of each label is carried out bolts assemblies with the bolt hole on corresponding bolt drum, form the fritter net shell that independent node structure or several node structure are connected to form, adopt a small amount of vertical bolster, the fritter net shell assembled on the ground is progressively lifted into design elevation in place, then entirety is connected into adjacent fritter net shell, until complete the assembling of whole rigidity single-layer latticed shell.Under actual conditions, connector also can transport to job site in batches, while carry out ground-mounted and lifting assembling, while carry out the making of connector, improves efficiency of construction.
Claims (7)
1. a node structure for rigidity single-layer latticed shell, is characterized in that:
Comprise six roots of sensation hollow rod (3), described hollow rod (3) and shrouding (2) are welded and fixed, and its soldering angle can regulate;
Also comprise bolt drum (1), described bolt drum (1) is in hollow cylindrical structure, described bolt drum (1) at least one end face is provided with dismountable cover plate (101), and described bolt drum (1) circumference is laid with six groups of bolts hole;
The shrouding (2) welded with hollow rod (3) is connected with described bolt drum (1) bolt by described bolt hole;
Described bolt drum (1) is also provided with axle center bolt (4), and the main body bolt of described cover plate (101) with described bolt drum (1) is connected by described axle center bolt (4);
Formed between shrouding (2) and bolt drum and be fitted and connected.
2. node structure as claimed in claim 1, is characterized in that: described six groups of bolts hole often group comprise two bolts hole of upper and lower setting.
3. node structure as claimed in claim 1, is characterized in that: the bolt in described bolt hole and described bolt rouse between medial surface and be also provided with backing plate (5).
4. node structure as claimed in claim 1, is characterized in that: described hollow rod (3) rectangular body structure.
5. node structure as claimed in claim 1, is characterized in that: described bolt drum (1) also comprises hoop ribs (102).
6. node structure as claimed in claim 5, is characterized in that: described hoop ribs (102) is positioned at the middle part of described bolt drum (1).
7. node structure as claimed in claim 1, is characterized in that: described bolt drum (1), hollow rod (3) adopts cast steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210557265.2A CN102966186B (en) | 2012-12-19 | 2012-12-19 | A kind of node structure of rigidity single-layer latticed shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210557265.2A CN102966186B (en) | 2012-12-19 | 2012-12-19 | A kind of node structure of rigidity single-layer latticed shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966186A CN102966186A (en) | 2013-03-13 |
| CN102966186B true CN102966186B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210557265.2A Expired - Fee Related CN102966186B (en) | 2012-12-19 | 2012-12-19 | A kind of node structure of rigidity single-layer latticed shell |
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| CN (1) | CN102966186B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537727A (en) * | 2019-01-07 | 2019-03-29 | 中北大学 | A kind of tooth socket assembled space structure net shell node and construction method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437427A (en) * | 2013-08-28 | 2013-12-11 | 天津大学 | Aluminum alloy space grid structure slab rib node |
| CN105821963A (en) * | 2016-03-25 | 2016-08-03 | 东南大学 | Single-layer space lattice structure assembled double-ring node |
| CN110318461B (en) * | 2019-06-24 | 2024-04-12 | 太原理工大学 | Bolt drum-shaped spherical shell node for supporting and connecting round steel pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201832U (en) * | 1987-02-05 | 1987-11-04 | 合肥工业大学 | Hollow bolt ball node |
| WO1989002007A1 (en) * | 1987-09-03 | 1989-03-09 | Den Norske Stats Oljeselskap A.S | Method for the construction of concrete shafts for a platform or similar structure and a section for similar use |
| CN2415238Y (en) * | 1999-07-28 | 2001-01-17 | 上海宝山石油机械厂 | Hub bell-and-spigot joint for triangular lattice steel screen |
| CN1702246A (en) * | 2005-07-12 | 2005-11-30 | 徐国彬 | Supporting node |
| CN102011432A (en) * | 2010-11-24 | 2011-04-13 | 同济大学 | Novel polygonal combined steel pipe |
| CN202577600U (en) * | 2011-12-29 | 2012-12-05 | 东南大学 | Assembled joint of latticed shell steel structure with free space and curved surface |
| CN202969592U (en) * | 2012-12-19 | 2013-06-05 | 上海岑闵新材料科技有限公司 | Node structure of rigid single-layer latticed shell structure |
-
2012
- 2012-12-19 CN CN201210557265.2A patent/CN102966186B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201832U (en) * | 1987-02-05 | 1987-11-04 | 合肥工业大学 | Hollow bolt ball node |
| WO1989002007A1 (en) * | 1987-09-03 | 1989-03-09 | Den Norske Stats Oljeselskap A.S | Method for the construction of concrete shafts for a platform or similar structure and a section for similar use |
| CN2415238Y (en) * | 1999-07-28 | 2001-01-17 | 上海宝山石油机械厂 | Hub bell-and-spigot joint for triangular lattice steel screen |
| CN1702246A (en) * | 2005-07-12 | 2005-11-30 | 徐国彬 | Supporting node |
| CN102011432A (en) * | 2010-11-24 | 2011-04-13 | 同济大学 | Novel polygonal combined steel pipe |
| CN202577600U (en) * | 2011-12-29 | 2012-12-05 | 东南大学 | Assembled joint of latticed shell steel structure with free space and curved surface |
| CN202969592U (en) * | 2012-12-19 | 2013-06-05 | 上海岑闵新材料科技有限公司 | Node structure of rigid single-layer latticed shell structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537727A (en) * | 2019-01-07 | 2019-03-29 | 中北大学 | A kind of tooth socket assembled space structure net shell node and construction method |
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| CN102966186A (en) | 2013-03-13 |
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Granted publication date: 20150819 Termination date: 20191219 |