CN202577604U - Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss - Google Patents
Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss Download PDFInfo
- Publication number
- CN202577604U CN202577604U CN 201220144843 CN201220144843U CN202577604U CN 202577604 U CN202577604 U CN 202577604U CN 201220144843 CN201220144843 CN 201220144843 CN 201220144843 U CN201220144843 U CN 201220144843U CN 202577604 U CN202577604 U CN 202577604U
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- CN
- China
- Prior art keywords
- ring beam
- fastening device
- bearing pin
- junction plate
- vertical slot
- 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
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Abstract
The utility model relates to a fastening device, in particular to an internal ring lower chord ring beam fastening device for a double-layer yoke type spatial chord stretching structural steel roof truss, and belongs to the field of steel structures. The internal ring lower chord ring beam fastening device comprises a cable hinge pin connecting plate, an internal ring beam and a box type ring beam reinforcing plate, wherein the top of the cable hinge pin connecting plate serves as the fixing position of a supporting rod; a radial cable connecting lug is arranged at the left end of the cable hinge pin connecting plate; an arc-shaped vertical groove is arranged at the lower part of the cable hinge pin connecting plate; the box type ring beam reinforcing plate is bent at the middle part, and provided with a vertical groove at a middle position; the arc-shaped vertical groove and the vertical groove are crisscross buckled and fastened; and an internal ring beam is arranged between the box type ring beam reinforcing plate and the cable hinge pin connecting plate. The internal ring lower chord ring beam fastening device has simple structure, high construction precision, high construction efficiency and low construction cost, and improves the safety of construction.
Description
Technical field
The utility model relates to a kind of fastener, relates in particular to the interior ring lower edge ring beam fastener 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 interior ring lower edge ring beam fastener of beam string structure steel roof truss is opened in the double-deck radial space of flexible operation.
The interior ring lower edge ring beam fastener of beam string structure steel roof truss is opened in a kind of double-deck radial space; Comprise rope bearing pin junction plate, inner ring beam and box ring beam stiffener; The top of described rope bearing pin junction plate is the strut fixed bit, and the left end of described rope bearing pin junction plate connects journal stirrup for rope radially, and the bottom of described rope bearing pin junction plate is provided with the arc vertical slot; Described box ring beam stiffener is middle bending-like; The interposition of box ring beam stiffener is provided with vertical slot, and described arc vertical slot and vertical slot are cross and interlock fasteningly, are provided with inner ring beam between described box ring beam stiffener and rope bearing pin junction plate.
As preferably, the width of described arc vertical slot is than the big 1～2mm of thickness of box ring beam stiffener, the big 1～2mm of thickness of the width of described vertical slot peso bearing pin junction plate.
The interior ring lower edge ring beam fastener that the utility model provides double-deck radial space to open the beam string structure steel roof truss, simple in structure, 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 rope bearing pin junction plate in the utility model;
Fig. 3 is the structural representation of looking up of Fig. 2;
Fig. 4 is the structural representation of box ring beam stiffener in the utility model.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1: like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; The interior ring lower edge ring beam fastener of beam string structure steel roof truss is opened in a kind of double-deck radial space; Comprise rope bearing pin junction plate 25, inner ring beam 26 and box ring beam stiffener 27; The top of described rope bearing pin junction plate 25 is a strut fixed bit 28, and the left end of described rope bearing pin junction plate 25 connects journal stirrup 29 for rope radially, and the bottom of described rope bearing pin junction plate 25 is provided with arc vertical slot 30; Described box ring beam stiffener 27 is middle bending-like; The interposition of box ring beam stiffener 27 is provided with vertical slot 31, and described arc vertical slot 30 and vertical slot 31 are cross and interlock fasteningly, and described box ring beam stiffener 27 and 25 of rope bearing pin junction plates are provided with inner ring beam 26; The width of described arc vertical slot 30 is than the big 1～2mm of thickness of box ring beam stiffener 27, the big 1～2mm of thickness of the width of described vertical slot 31 peso bearing pin junction plate 25.
Claims (2)
1. the interior ring lower edge ring beam fastener of beam string structure steel roof truss is opened in a double-deck radial space; It is characterized in that: comprise rope bearing pin junction plate (25), inner ring beam (26) and box ring beam stiffener (27); The top of described rope bearing pin junction plate (25) is strut fixed bit (28); The left end of described rope bearing pin junction plate (25) connects journal stirrup (29) for rope radially; The bottom of described rope bearing pin junction plate (25) is provided with arc vertical slot (30), and described box ring beam stiffener (27) is middle bending-like, and the interposition of box ring beam stiffener (27) is provided with vertical slot (31); Described arc vertical slot (30) and vertical slot (31) are cross and interlock fasteningly, are provided with inner ring beam (26) between described box ring beam stiffener (27) and rope bearing pin junction plate (25).
2. the interior ring lower edge ring beam fastener of beam string structure steel roof truss is opened in double-deck radial according to claim 1 space; It is characterized in that: the width of described arc vertical slot (30) is than the big 1～2mm of thickness of box ring beam stiffener (27), the big 1～2mm of thickness of the width of described vertical slot (31) peso bearing pin junction plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220144843 CN202577604U (en) | 2012-04-09 | 2012-04-09 | Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220144843 CN202577604U (en) | 2012-04-09 | 2012-04-09 | Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202577604U true CN202577604U (en) | 2012-12-05 |
Family
ID=47247032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220144843 Expired - Lifetime CN202577604U (en) | 2012-04-09 | 2012-04-09 | Internal ring lower chord ring beam fastening device for double-layer yoke type spatial chord stretching structural steel roof truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202577604U (en) |
-
2012
- 2012-04-09 CN CN 201220144843 patent/CN202577604U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |