CN2608584Y - Connection device - Google Patents
Connection device Download PDFInfo
- Publication number
- CN2608584Y CN2608584Y CN 03204531 CN03204531U CN2608584Y CN 2608584 Y CN2608584 Y CN 2608584Y CN 03204531 CN03204531 CN 03204531 CN 03204531 U CN03204531 U CN 03204531U CN 2608584 Y CN2608584 Y CN 2608584Y
- Authority
- CN
- China
- Prior art keywords
- strength bolt
- utility
- screw thread
- lower chord
- high strength
- 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 - Fee Related
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a connecting device that is used for connecting the lower chord and the central support rod in an extending chord beam. The utility model comprises a screw stem, a high strength bolt and a clamping tool; wherein, one end of the screw stem has an external screw thread and the other end has a screw thread hole; the clamping tool consists of two clamping plates with the same shape and with through holes at the centers. The two laterals of the through holes are provided with a mutually paralleled circular arc-shaped sunken groove. The high strength bolt is connected with the screw thread hole of the screw stem after crossing through the central holes of the two face to face arranged clamping plates. When in use, the screw stem is connected with the central support rod of the extending chord beam through the external screw thread to place the lower chord into the circular arc-shaped sunken groove of the two clamping plates. Through tightly screwing the high strength bolt, the two clamping plates clamp the lower chord to avoid the lower chord from sliding in the circular arc-shaped sunken groove, and further to fixedly connect the central support rod and the lower chord. Therefore, the screw stem, the high strength bolt and the clamping tool of the connecting device related to the utility model can be exchanged for use in the same component part, beneficial to the factory processing and producing as well as simple on site assembling these operations.
Description
Technical field
The utility model relates to a kind of linkage, refers in particular to a kind of string beam is connected lower edge with middle strut linkage that is used for.
Background technology
Recently, the inventor has invented an a kind of string beam (this string beam separate case application China utility model patent) that supports roofing, the structure that supports roofing in this string beam and the prior art is compared, structure stress rationally, material usage economy, be convenient to transportation, assembly unit is simple.This string beam comprises and winding up, lower edge and some middle struts, wind up and be compressed member, lower edge is a tensional element, middle strut is a compressed member, middle strut with wind up between the employing articulated manner be connected, need to be connected between lower edge and the middle strut by linkage, and the middle strut that uses in opening the string beam is more, the relative demand to linkage is also more, so just need a kind of same assembly of design can exchange use, add factory's making in batches to help factory, thereby reduce the production cost, be convenient to field-installed linkage simultaneously, and this linkage itself requires assembling simple, to improve efficiency of construction, reduces the construction number, reduce construction cost, the utility model just is being based on the demand and the linkage that designs.
Summary of the invention
The purpose of this utility model provides a kind of same assembly can exchange use, helps factory and adds factory's making, the simple linkage of assembled on site in batches.
For achieving the above object, the utility model is taked following design scheme: a kind of linkage, it is characterized in that: it comprises screw rod, high-strength bolt and jig, described screw rod one end is provided with external screw thread, the other end is provided with screwed hole, described jig is made up of two block-shaped identical and middle clamping plate with through hole, and described clamping plate through hole both sides are respectively equipped with a circular groove that is parallel to each other, and the through holes that described high-strength bolt passes in the middle of the two described clamping plate of placing relatively are connected with described screw flight hole.
The utility model has the advantages that: the utility model linkage, it comprises screw rod, high-strength bolt and jig, screw rod one end is provided with external screw thread, the other end is provided with screwed hole, jig is made up of two block-shaped identical and middle clamping plate with through hole, clamping plate through hole both sides are respectively equipped with a circular groove that is parallel to each other, and the through hole that high-strength bolt passes in the middle of two clamping plate of placing relatively is connected with the screw flight hole.During use, screw rod is connected with the middle strut of opening the string beam by external screw thread, and lower edge is placed in the circular groove of two clamping plate, by tightening high-strength bolt, so that two clamping plate clamp lower edge, avoid lower edge in circular groove, to slide, thereby middle strut is fixedlyed connected with lower edge.By as seen above-mentioned, the utility model linkage, screw rod wherein, high-strength bolt and clamping plate, same assembly can exchange use, helps factory and adds factory's making in batches, assembled on site is simple simultaneously, the not only cost of production of this linkage own is low, and, can improve efficiency of construction, reduce the recruitment number, in use construction cost is also lower.
Description of drawings
Fig. 1 is the utility model linkage structural representation
Fig. 2 is the utility model user mode reference diagram
The specific embodiment
As shown in Figure 1, the utility model linkage, it comprises screw rod 1, high-strength bolt 2 and jig, screw rod 1 one ends are provided with external screw thread 3, the other end is provided with screwed hole 4, jig is made up of two block-shaped identical and middle clamping plate 6 with through hole 5, and clamping plate 6 through holes 5 both sides are respectively equipped with a circular groove that is parallel to each other 7, and the through holes 5 that high-strength bolt 2 passes in the middle of two clamping plate of placing relatively 6 are connected with screw rod 1 screwed hole 4.
As shown in Figure 2, during use, screw rod 1 is connected with the middle strut 8 of opening the string beam by external screw thread 3, and lower edge 9 is placed in the circular groove 7 of two clamping plate 6, by tightening high-strength bolt 2, so that two clamping plate 6 clamp lower edge 9, avoid lower edge 9 in circular groove 7, to slide, thereby middle strut 8 is fixedlyed connected with lower edge 9.
By as seen above-mentioned, the utility model linkage, screw rod 1 wherein, high-strength bolt 2 and clamping plate 6, same assembly can exchange use, helps factory and adds factory's making in batches, assembled on site is simple simultaneously, the not only cost of production of the utility model linkage own is low, and, can improve efficiency of construction, reduce the recruitment number, in use construction cost is also lower.
Claims (1)
1, a kind of linkage, it is characterized in that: it comprises screw rod, high-strength bolt and jig, described screw rod one end is provided with external screw thread, the other end is provided with screwed hole, described jig is made up of two block-shaped identical and middle clamping plate with through hole, described clamping plate through hole both sides are respectively equipped with a circular groove that is parallel to each other, and the through hole that described high-strength bolt passes in the middle of the two described clamping plate of placing relatively is connected with described screw flight hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204531 CN2608584Y (en) | 2003-02-21 | 2003-02-21 | Connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03204531 CN2608584Y (en) | 2003-02-21 | 2003-02-21 | Connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2608584Y true CN2608584Y (en) | 2004-03-31 |
Family
ID=34158584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03204531 Expired - Fee Related CN2608584Y (en) | 2003-02-21 | 2003-02-21 | Connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2608584Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265727B (en) * | 2008-04-30 | 2010-06-09 | 天津大学 | Prestressing force steel structure rolling type stretching cable node |
-
2003
- 2003-02-21 CN CN 03204531 patent/CN2608584Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265727B (en) * | 2008-04-30 | 2010-06-09 | 天津大学 | Prestressing force steel structure rolling type stretching cable node |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |