CN202577605U - Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss - Google Patents
Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss Download PDFInfo
- Publication number
- CN202577605U CN202577605U CN 201220144859 CN201220144859U CN202577605U CN 202577605 U CN202577605 U CN 202577605U CN 201220144859 CN201220144859 CN 201220144859 CN 201220144859 U CN201220144859 U CN 201220144859U CN 202577605 U CN202577605 U CN 202577605U
- Authority
- CN
- China
- Prior art keywords
- cableway
- hemisphere
- groove
- double
- chord
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model relates to a fastening device, in particular to a lower chord radial fastening device for a double-layer spoke type spatial chord stretching structural steel roof truss, and belongs to the field of steel structures. The lower chord radial fastening device comprises an upper hemisphere, a lower hemisphere and fastening bolts, wherein a cap-free hemisphere in which a supporting rod fastening blind hole is formed is arranged on the top of the upper hemisphere; four concave pits are uniformly and symmetrically distributed in the external walls of the upper hemisphere and the lower hemisphere respectively, and fastened through the fastening bolts; a cableway groove is formed at the bottom of the upper hemisphere, while a lower cableway groove is formed at the top of the lower hemisphere; and the upper cableway groove and the lower cableway groove form a cableway hole. The lower chord radial fastening device for the double-layer spoke type spatial chord stretching structural steel roof truss has high construction precision, high construction efficiency, and low cost of construction, and improves the safety in construction.
Description
Technical field
The utility model relates to a kind of fastener, relates in particular to the lower edge radial tightening device that the beam string structure steel roof truss is opened in a kind of double-deck radial space, belongs to field of steel structure.
Background technology
The present medium-and-large-sized steel work of prior art, construction precision is not high relatively, and complex structure, long construction period, the steel work overall security is unstable, has certain potential safety hazard.
The utility model content
The utility model mainly is to solve the deficiency that exists in the prior art, provide a kind of simple in structure, and the lower edge radial tightening device of beam string structure steel roof truss is opened in the good double-deck radial space of support performance.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
The lower edge radial tightening device of beam string structure steel roof truss is opened in a kind of double-deck radial space; Comprise episphere, lower semisphere and fastening bolt; The top of described episphere is provided with cuts hat hemisphere, and described cutting in the hat hemisphere is provided with the fastening blind hole of strut, and the outer wall of described episphere and lower semisphere is respectively equipped with 4 pits that distribute symmetrically mutually; Be fastened through fastening bolt between pit; The bottom of episphere is provided with the cableway groove, and the top of described lower semisphere is provided with down the cableway groove, and the described cableway groove of going up forms the cableway hole with following cableway groove.
As preferably, the cableway face in the described cableway hole is provided with a mao tooth, and the height of described hair tooth is 1～2mm.
The lower edge radial tightening device of beam string structure steel roof truss is opened in a kind of double-deck radial of the utility model space, and is simple in structure, and construction precision is high, and construction efficiency is high, and construction cost is low, improves working security.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of episphere and lower semisphere among Fig. 1.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1: as depicted in figs. 1 and 2; The lower edge radial tightening device of beam string structure steel roof truss is opened in a kind of double-deck radial space, comprises episphere 12, lower semisphere 13 and fastening bolt 14, and the top of described episphere 12 is provided with cuts hat hemisphere 15; Described cutting in the hat hemisphere 15 is provided with the fastening blind hole 16 of strut; The outer wall of described episphere 12 and lower semisphere 13 is respectively equipped with 4 pits 17 that distribute symmetrically mutually, and 17 of pits are fastened through fastening bolt 14, and the bottom of episphere 12 is provided with cableway groove 18; The top of described lower semisphere 13 is provided with down cableway groove 19; The described cableway groove 18 of going up forms cableway hole 20 with following cableway groove 19, and the cableway face in the described cableway hole 20 is provided with a mao tooth, and the height of described hair tooth is 1～2mm.
Claims (2)
1. the lower edge radial tightening device of beam string structure steel roof truss is opened in a double-deck radial space; It is characterized in that: comprise episphere (12), lower semisphere (13) and fastening bolt (14); The top of described episphere (12) is provided with cuts hat hemisphere (15); Described cutting in the hat hemisphere (15) is provided with the fastening blind hole of strut (16); The outer wall of described episphere (12) and lower semisphere (13) is respectively equipped with 4 pits (17) that distribute symmetrically mutually, is fastened through fastening bolt (14) between pit (17), and the bottom of episphere (12) is provided with cableway groove (18); The top of described lower semisphere (13) is provided with down cableway groove (19), described cableway groove (18) and following cableway groove (19) the formation cableway hole (20) of going up.
2. the lower edge radial tightening device of beam string structure steel roof truss is opened in double-deck radial according to claim 1 space, it is characterized in that: the cableway face in the described cableway hole (20) is provided with a mao tooth, and the height of described hair tooth is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220144859 CN202577605U (en) | 2012-04-09 | 2012-04-09 | Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220144859 CN202577605U (en) | 2012-04-09 | 2012-04-09 | Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202577605U true CN202577605U (en) | 2012-12-05 |
Family
ID=47247033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220144859 Expired - Lifetime CN202577605U (en) | 2012-04-09 | 2012-04-09 | Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202577605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442702A (en) * | 2015-12-14 | 2016-03-30 | 中国民航大学 | Multi-layer bolt-sphere node for tensioned integral structure |
| CN112942364A (en) * | 2021-01-29 | 2021-06-11 | 江苏三力岩土科技有限公司 | Self-balancing large-span deep foundation pit prestressed beam system |
| CN113684523A (en) * | 2021-08-31 | 2021-11-23 | 江西江南新材料科技股份有限公司 | Hollow phosphor copper ball for electroplating and preparation method thereof |
-
2012
- 2012-04-09 CN CN 201220144859 patent/CN202577605U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442702A (en) * | 2015-12-14 | 2016-03-30 | 中国民航大学 | Multi-layer bolt-sphere node for tensioned integral structure |
| CN112942364A (en) * | 2021-01-29 | 2021-06-11 | 江苏三力岩土科技有限公司 | Self-balancing large-span deep foundation pit prestressed beam system |
| CN113684523A (en) * | 2021-08-31 | 2021-11-23 | 江西江南新材料科技股份有限公司 | Hollow phosphor copper ball for electroplating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202577605U (en) | Lower chord radial fastening device for double-layer spoke type spatial chord stretching structural steel roof truss | |
| CN102562746A (en) | Shearing type expansion bolt | |
| CN215888958U (en) | Integrally formed steel structure truss girder | |
| CN202116197U (en) | Novel vierendeel girder structure of hoist double beam crane | |
| CN202577757U (en) | Double-layer spoke type spatial beam string structured steel roof truss | |
| CN203938973U (en) | Column | |
| CN202359671U (en) | Wind-resistant column and roof purlin mechanism for steel structure | |
| CN202064495U (en) | Roof ridge node for steel structure | |
| CN202039328U (en) | Reversely-pressured adjustable weir gate with hoppers | |
| CN202544200U (en) | Roof beam mechanism used for steel structure building | |
| CN202610973U (en) | Support chord mechanism for steel structure building | |
| CN202431462U (en) | Conveniently-dismounted novel wind driven generator tower | |
| CN202107444U (en) | Novel single-beam crane open-web main beam structure | |
| CN207686006U (en) | A kind of new steel structure erection support of installation easy to carry | |
| CN202298904U (en) | Support beam frame | |
| CN202610980U (en) | Chord beam and chord rod connecting mechanism for steel-structure building | |
| CN202543958U (en) | Foot margin used for steel structure building | |
| CN202577604U (en) | Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss | |
| CN202610975U (en) | Side support mechanism for steel structure building | |
| CN202544202U (en) | Purline dual-chord member mechanism for structural steel building | |
| CN202544201U (en) | Roof girder chord member support mechanism for structural steel construction | |
| CN202544109U (en) | Upright post dual-chord beam mechanism used for steel structure building | |
| CN202544091U (en) | String-beam and chord connection mechanism for steel buildings | |
| CN202610971U (en) | Mudsill chord member mechanism used for steel structure building | |
| CN202544197U (en) | Purline mechanism for steel structure building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |