CN202090519U - Threaded extrusion anchor device - Google Patents
Threaded extrusion anchor device Download PDFInfo
- Publication number
- CN202090519U CN202090519U CN2011200831685U CN201120083168U CN202090519U CN 202090519 U CN202090519 U CN 202090519U CN 2011200831685 U CN2011200831685 U CN 2011200831685U CN 201120083168 U CN201120083168 U CN 201120083168U CN 202090519 U CN202090519 U CN 202090519U
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- Prior art keywords
- extrusion
- extrusion ring
- ground tackle
- groove
- ring
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Abstract
A threaded extrusion anchor device relates to a prestressed anchor device and comprises an extrusion sleeve and an extrusion ring positioned in an extrusion sleeve hole. Threads are arranged on both the inner surface and the outer surface of the extrusion ring; 1-3 grooves I are arranged at one end of the extrusion ring along the axial direction of the extrusion ring; 1-3 grooves II are arranged at positions of the other end of the extrusion ring staggered with the grooves I along the axial direction of the extrusion ring; and the length of the extrusion sleeve ranges from 48mm to 52mm. The threaded extrusion anchor device is fine in anchorage performance and high in bearing capacity, is provided with the extrusion ring easy to be broken by being extruded, has the advantages of material economization, cost reduction and the like, and is applicable to prestressed tension construction.
Description
Technical field
The utility model relates to a kind of prestressed anchor, particularly a kind of screw-type Extrusion anchor ground tackle.
Background technology
Extrusion anchor ground tackle in the tensioning construction (P type ground tackle) is widely used in the building operations such as bridge, airport hall, and it mainly is made up of after pushing extruded sleeve, neck bush and steel strand.Existing Extrusion anchor ground tackle mainly is the spring Extrusion anchor ground tackle, this spring Extrusion anchor ground tackle is made up of extruded sleeve, Extruding spring and steel strand, because the section of Extruding spring is circular, is difficult for clamp-oning in extruded sleeve and the steel strand, anchoring property is relatively poor, and the pulling force that ground tackle can bear is less; In addition, the Extrusion anchor ground tackle appearance and size of this structure is also bigger, thereby cost of production is also higher.Notice of authorization number be CN 2310807Y " presstressed reinforcing steel is ground tackle fixedly " patent disclosure the fixing ground tackle of a kind of screw-type, the tightness of this ground tackle is better, the pulling force that ground tackle can bear is bigger, but because the thread bush of this ground tackle only has a groove, therefore thread bush is difficult to be squeezed broken when construction.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of screw-type Extrusion anchor ground tackle is provided, and the anchoring that exists in the prior art is poor, the ground tackle bearing capacity is little, cost of production is high, thread bush is difficult to by crowded broken weak point to solve.
The technical scheme that solves the problems of the technologies described above is: a kind of screw-type Extrusion anchor ground tackle, comprise extruded sleeve and be positioned at the extrusion ring that pushes trepanning, described extrusion ring surfaces externally and internally is equipped with screw thread, described extrusion ring one end axially has 1～3 road groove I along it, and the position that the other end and groove II stagger also axially has 1～3 road groove II along it.
Further technical scheme of the present utility model is: described groove I has 2 roads, and the groove II has 2 roads.
Further again technical scheme of the present utility model is: the length of described extruded sleeve is 48～52mm.
Because adopt said structure, the screw-type Extrusion anchor ground tackle of the utility model compared with prior art has following beneficial effect:
1, anchoring property is good, the ground tackle bearing capacity is big:
Because the utility model adopts the extrusion ring that comprises extruded sleeve and be positioned at the extruding trepanning, described extrusion ring surfaces externally and internally is equipped with screw thread, during use, extrusion ring is clipped between extruded sleeve and the steel strand, is acted between extruded sleeve and the steel strand by the extrusion ring internal and external threads by extruder extruding back and produces frictional resistance, makes extruded sleeve be compressed on the steel strand firmly, therefore, its anchoring property is better, and the ground tackle bearing capacity is bigger, thereby can improve its construction quality.
2, extrusion ring is easy to be squeezed broken:
Because extrusion ring one end of the present utility model axially has 1～3 road groove I along it, the position that the other end and groove II stagger also axially has 1～3 road groove II along it, and therefore, when anchoring construction, this extrusion ring relatively is easy to the machine that is extruded and squeezes broken.
3, economical with materials, reduce cost:
Because the utility model adopts the screw-type extruding, its anchoring property is better, therefore can shorten extruded sleeve length to 48～52mm, thereby but economical with materials reduce cost.
4, can increase the application life of extruder:
Therefore this Extrusion anchor ground tackle can shorten its extrusion time because the length of extruded sleeve is shorter, improves its extruding efficient, prolongs the application life of extruder.
5, percent defective is low:
Because this Extrusion anchor ground tackle is the extrusion ring that adopts rigidity between extruded sleeve and steel strand, this extrusion ring Stability Analysis of Structures, not yielding, damage, thus can reduce the number of rejects and seconds rate.
Below, the technical characterictic to the screw-type Extrusion anchor ground tackle of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
Fig. 1～Fig. 2: the structural representation of the screw-type Extrusion anchor ground tackle of the utility model,
Fig. 1: front view (the A-A sectional view of Fig. 2), the left view of Fig. 2: Fig. 1;
Among the figure,
The 1-extruded sleeve, 2-extrusion ring, 201-groove I, 202-groove II.
The specific embodiment
Embodiment one:
A kind of screw-type Extrusion anchor ground tackle is (referring to Fig. 1～Fig. 2), comprise extruded sleeve 1 and be positioned at the extrusion ring 2 that pushes trepanning, the length of described extruded sleeve 1 is L=50mm, described extrusion ring 2 surfaces externally and internallies are equipped with screw thread, described extrusion ring 2 one ends axially have 2 road groove I 201 along it, and stagger 90 ° position of the other end and groove I 201 also axially has 2 road groove II 202 along it.
As a kind of conversion of present embodiment one, the length of described extruded sleeve 1 can increase or reduce, and is generally the arbitrary numerical value among L=48～52mm.
As a kind of conversion of present embodiment one, the quantity of described groove I 201, groove II 202 can be identical or inequality, also can be 1 road or 3 roads.
As another conversion of present embodiment one, described groove I 201 can change according to actual needs with the angle that groove II 202 staggers.
Claims (3)
1. screw-type Extrusion anchor ground tackle, comprise extruded sleeve (1) and be positioned at the extrusion ring (2) that pushes trepanning, described extrusion ring (2) surfaces externally and internally is equipped with screw thread, it is characterized in that: described extrusion ring (2) one ends axially have 1～3 road groove I (201) along it, and the position that the other end and groove I (201) stagger axially also has 1～3 road groove II (202) along it.
2. screw-type Extrusion anchor ground tackle according to claim 1 is characterized in that: described groove I (201) has 2 roads, and groove II (202) has 2 roads.
3. screw-type Extrusion anchor ground tackle according to claim 1 and 2 is characterized in that: the length of described extruded sleeve (1) is L=48～52mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200831685U CN202090519U (en) | 2011-03-25 | 2011-03-25 | Threaded extrusion anchor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200831685U CN202090519U (en) | 2011-03-25 | 2011-03-25 | Threaded extrusion anchor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202090519U true CN202090519U (en) | 2011-12-28 |
Family
ID=45365594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200831685U Expired - Fee Related CN202090519U (en) | 2011-03-25 | 2011-03-25 | Threaded extrusion anchor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202090519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452245A (en) * | 2013-09-18 | 2013-12-18 | 天津鑫坤泰预应力专业技术有限公司 | Constraint ring for finished product steel strand bundle |
| CN106812255A (en) * | 2015-12-01 | 2017-06-09 | 衡阳市新德力预应力有限公司 | Threaded extrusion anchor device |
-
2011
- 2011-03-25 CN CN2011200831685U patent/CN202090519U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452245A (en) * | 2013-09-18 | 2013-12-18 | 天津鑫坤泰预应力专业技术有限公司 | Constraint ring for finished product steel strand bundle |
| CN103452245B (en) * | 2013-09-18 | 2015-09-23 | 天津鑫坤泰预应力专业技术有限公司 | A kind of confinement ring of finished steel strand bundle |
| CN106812255A (en) * | 2015-12-01 | 2017-06-09 | 衡阳市新德力预应力有限公司 | Threaded extrusion anchor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140325 |