CN204435683U - A kind of finished product prestressing tendon of constructability - Google Patents
A kind of finished product prestressing tendon of constructability Download PDFInfo
- Publication number
- CN204435683U CN204435683U CN201420796833.9U CN201420796833U CN204435683U CN 204435683 U CN204435683 U CN 204435683U CN 201420796833 U CN201420796833 U CN 201420796833U CN 204435683 U CN204435683 U CN 204435683U
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- CN
- China
- Prior art keywords
- compression sleeve
- steel wire
- wire bundle
- mark plate
- section
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- 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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Abstract
The utility model relates to a kind of finished product prestressing tendon of constructability, comprise steel wire bundle, compression sleeve, front mark plate, rear mark plate and tie wire, described steel wire bundle is made in order by many steel strand comb volumes and is formed, a compression sleeve is coaxially withheld at its tractive end, mark plate and rear mark plate before the forward and backward two ends of steel wire bundle install respectively, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, described compression sleeve comprises linkage section and traction section, and an end of this linkage section is integrally shaped with traction section; Described traction section is taper type structure, and its miner diameter end is coaxially shaped with screw hole; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop.Steel wire bundle of the present utility model can wear safely pass through construction duct bellows in, wear and pass through journey and avoid winding between single steel strand and distortion, and the traction section of compression sleeve is taper structure design, guidance quality is strong, effectively improves efficiency of construction.
Description
Technical field
The utility model belongs to the realm of building construction, relates to prestress wire, especially a kind of finished product prestressing tendon of constructability.
Background technology
In building and road and bridge building operations, need, by many prestress steel twist wire arranging bunchys (having another name called finished product prestressing tendon), to penetrate in the prestressed pore passage and bellows duct prepared.When finished steel strand bundle is worn and sent in corrugated conduit, need to withhold a compression sleeve in finished steel strand bundle front end by pressure apparatus.
At present, the lashing of existing finished product prestress wire, when steel strand radical is many and distance is longer, to wear in the process sent, the tractive force that many steel strand are subject to is large, and the frictional force of the anterior traction end of compression sleeve and corrugated conduit is large, guidance quality is poor, and easily occurs between many steel strand to be wound around or to intersect.
Through retrieval, find one section of patent document relevant to this patent content, publication number is the Chinese patent of CN104088220A, this patent discloses a kind of finished product prestressing tendon, it comprise at least two presstressed reinforcing steel feed-through device, with the presstressed reinforcing steel of presstressed reinforcing steel feed-through device quantity Matching and at least two marking plates; Described each marking plate offers the perforation with presstressed reinforcing steel feed-through device quantity and diameter matches, every root presstressed reinforcing steel one end is passed the perforation of a marking plate and is fixed in presstressed reinforcing steel feed-through device, and the other end of presstressed reinforcing steel is through the perforation of another marking plate same position.
By contrast, muscle feed-through device in above-mentioned patent publication us comprises outer sleeve, drawing head and four interior holding pieces, there is complex structure, loaded down with trivial details problem is installed, and drawing head is solid construction, not only improve the weight of whole muscle feed-through device, and improve cost, in technical scheme, have relatively big difference with present patent application.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of structure is simple, easy for installation, the finished product prestressing tendon of constructability.
Scheme of the present utility model is achieved in that
A kind of finished product prestressing tendon of constructability, comprise steel wire bundle, compression sleeve, front mark plate, rear mark plate and tie wire, described steel wire bundle is made in order by many steel strand comb volumes and is formed, a compression sleeve is coaxially withheld at its tractive end, mark plate and rear mark plate before the forward and backward two ends of steel wire bundle install respectively, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, described compression sleeve comprises linkage section and traction section, and an end of this linkage section is integrally shaped with traction section; Described traction section is taper type structure, and its miner diameter end is coaxially shaped with screw hole, and in this traction section, portion is frustum type cavity; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop.
And the wall thickness of described traction section is greater than the wall thickness of linkage section.
And described mark plate diametric plane is shaped with the through hole of the single steel strand equal number corresponding with described steel wire bundle, four inboards, edge of this mark plate are printed with the Directional Sign for showing each single steel strand relative position and residing direction.
And after extruding this compression sleeve by extrusion equipment, the linkage section external surface of this compression sleeve is shaped with axial technique impression, this axial technique impression axially forms strip indentation along compression sleeve.
Advantage of the present utility model and good effect are:
1, the compression sleeve structure in this steel wire bundle is simple, easy for installation, lightweight, cost is low, and the hangnail bulge loop be shaped with by its inwall improves the bond stress in distraction procedure between compression sleeve and steel strand; This compression sleeve adopts radial compression, and gripping effect is good, effectively ensure that steel wire bundle there will not be loose phenomenon in threading procedure.
2, in this steel wire bundle, the wall thickness of the traction section of compression sleeve is greater than the wall thickness of linkage section, improves intensity, prevents the section of traction fracture in the process of traction.
3, this finished product prestressing tendon structure is simple, easy to operate, cost is low and intensity is high, under the help of the two ends marking plate of steel strand, achieves the object of efficient lashing smoothly.Steel wire bundle of the present utility model can wear safely pass through construction duct bellows in, wear and pass through journey and avoid winding between single steel strand and distortion, and the traction section of compression sleeve is taper structure design, guidance quality is strong, effectively improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the sectional view of compression sleeve in Fig. 1;
Fig. 3 is the structural representation of mark plate in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail.
A kind of finished product prestressing tendon of constructability, as shown in Figure 1, comprise steel wire bundle 1, compression sleeve 5, front mark plate 2B, rear mark plate 2A and metal binding wire 3, described steel wire bundle is made in order by many steel strand comb volumes and is formed, a compression sleeve is coaxially withheld at its tractive end, mark plate and rear mark plate before the forward and backward two ends of steel wire bundle install respectively, the steel wire bundle outer rim spiral winding between two mark plates metal binding wire.
Innovative point of the present utility model is:
As shown in Figure 2, comprise linkage section 7 and traction section 8, an end of this linkage section is integrally shaped with traction section to the structure of described compression sleeve.Described traction section is taper type structure, its miner diameter end is coaxially shaped with the screw hole 9 be connected with suspension ring (not shown), in this traction section, portion is frustum type cavity, and this structure design not only reduces the weight of compression sleeve, and saves material cost; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop 6, and the effect of this hangnail bulge loop to improve the bond stress in distraction procedure between compression sleeve and steel wire bundle, prevents steel wire bundle in the process of traction from deviating from.The wall thickness B of described traction section is greater than the wall thickness A of linkage section, and the effect increasing the wall thickness of traction section improves intensity, prevents the section of traction fracture in the process of traction.
Described forward and backward mark plate is that flexible material is made, object is constructability, its diametric plane is shaped with the through hole 11 of the single steel strand equal number corresponding with described steel wire bundle, as shown in Figure 3, four inboards, edge of this mark plate are printed with the Directional Sign 10 for showing each single steel strand relative position and residing direction, Directional Sign triangle in the present embodiment, also can use numeral.The effect of mark plate is in order in the process of unwrapping wire, obviously can distinguish the arrangement position of each root steel strand in steel wire bundle, installs ground tackle to facilitate one_to_one corresponding.
Described binding steel wire spirally carries out arrangement colligation to steel wire bundle, and object prevents steel wire bundle at random.
Described compression sleeve on steel wire bundle, is shaped with axial technique impression 4 at the linkage section external surface of compression sleeve by forcing press extruding banding, and this axial technique impression axially forms strip indentation along compression sleeve.
The manufacturing process of this steel wire bundle is:
First, according to customer demand, the single steel strand comb of specific length and radical is compiled arrangement for steel wire bundle, and with tie wire, steel wire bundle is tied up.
Secondly, forward and backward mark plate is installed respectively in the position that steel wire bundle front and back ends inward at both ends is suitable, make each single steel strand through the through hole of corresponding forward and backward mark plate, note making the orientation of two mark plates when installing identical, can ensure that every root steel strand are parallel to each other when stretch-draw, are not wound around; Again forward and backward mark plate is tied up and be fixed on steel wire bundle.
Finally, one end suit compression sleeve of traction is needed at steel wire bundle, with extrusion equipment, pressure is applied to the outer rim of compression sleeve, make compression sleeve inwall axially on length direction banding be wrapped on the outer single steel strand outer margin contour of steel wire bundle, compression sleeve and steel strand are firmly gathered and are integrated.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (4)
1. the finished product prestressing tendon of a constructability, comprise steel wire bundle, compression sleeve, front mark plate, rear mark plate and tie wire, described steel wire bundle is made in order by many steel strand comb volumes and is formed, a compression sleeve is coaxially withheld at its tractive end, mark plate and rear mark plate before the forward and backward two ends of steel wire bundle install respectively, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, it is characterized in that: described compression sleeve comprises linkage section and traction section, and an end of this linkage section is integrally shaped with traction section; Described traction section is taper type structure, and its miner diameter end is coaxially shaped with screw hole, and in this traction section, portion is frustum type cavity; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop.
2. the finished product prestressing tendon of constructability according to claim 1, is characterized in that: the wall thickness of described traction section is greater than the wall thickness of linkage section.
3. the finished product prestressing tendon of constructability according to claim 1 and 2, it is characterized in that: described mark plate diametric plane is shaped with the through hole of the single steel strand equal number corresponding with described steel wire bundle, four inboards, edge of this mark plate are printed with the Directional Sign for showing each single steel strand relative position and residing direction.
4. the finished product prestressing tendon of constructability according to claim 1 and 2, it is characterized in that: after extruding described compression sleeve by extrusion equipment, the linkage section external surface of this compression sleeve is shaped with axial technique impression, and this axial technique impression axially forms strip indentation along compression sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796833.9U CN204435683U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon of constructability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796833.9U CN204435683U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon of constructability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204435683U true CN204435683U (en) | 2015-07-01 |
Family
ID=53603568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796833.9U Expired - Fee Related CN204435683U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon of constructability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204435683U (en) |
-
2014
- 2014-12-15 CN CN201420796833.9U patent/CN204435683U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20191215 |