CN203546607U - Steel strand tractor mounted on finished steel strand bundle - Google Patents
Steel strand tractor mounted on finished steel strand bundle Download PDFInfo
- Publication number
- CN203546607U CN203546607U CN201320641629.5U CN201320641629U CN203546607U CN 203546607 U CN203546607 U CN 203546607U CN 201320641629 U CN201320641629 U CN 201320641629U CN 203546607 U CN203546607 U CN 203546607U
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- steel strand
- finished product
- wire bundle
- stopper
- steel wire
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Abstract
The utility model discloses a steel strand tractor mounted on a finished steel strand bundle. The steel strand tractor comprises a flexible steel strand and a stop block; after the flexible steel strand is bent, two end heads on one side of the strand are fixedly arranged on the stop block and the other side of the strand is formed into a pull ring which is connected with traction equipment; the stop block is a metal block which is inserted into one traction end of the finished steel strand bundle. The steel strand tractor mounted on the finished steel strand bundle has the beneficial effects that due to the fact that the flexible steel strand serves as the tractor, a material is easily available, can be cut from an existing finished steel strand which meets requirements and does not need to be specially produced, so that the use is economical and practical; the steel strand has very strong variability, so that a seizure phenomenon does not occur when a pre-reserved prestressing duct is threaded, the continuous construction is ensured, and the construction progress is ensured. The steel strand tractor mounted on the finished steel strand bundle has the advantages of simple structure and convenience in use.
Description
Technical field
The utility model relates to the finished product steel wire bundle that a kind of road and bridge construction is used, particularly be a kind of steel strand retractor being contained on finished product steel wire bundle.
Background technology
Finished product steel wire bundle is to be compiled and made in order bunchy by a plurality of single steel strand combs, finished product steel wire bundle is in road and bridge construction, by pulling equipment, hold the tractor of finished product steel wire bundle one end through after prestressed pore passage, at finished product steel wire bundle two ends, it is applied to prestressing force, to improve finished product steel wire bundle tensile strength.
Fig. 1 is the structural representation of prior art tractor; Fig. 2 is A-A sectional view in Fig. 1.
As shown in Figure 1, prior art tractor is a stopper tractor 5, and the structure of stopper tractor 5 is U-shaped reinforcing bar 5b opening one end stationary cylinder form drag block 5a, and U-shaped reinforcing bar 5b sealing one end is tow lug 5c; Insert in finished product steel wire bundle 3 one end cylindrical shape stopper 5a one end of described stopper tractor 5, and the single steel strand 3b that is positioned at finished product steel wire bundle 3 centers runs through cylindrical shape stopper 5a endoporus; Banding ring 1 is sleeved on finished product steel wire bundle 3 one end that stopper tractor 5 is equipped with in its inside, with dedicated extruded equipment extruding banding ring 1, make banding ring 1 and be arranged in the finished product steel wire bundle 3 of its inner ring and a part of tow lug 5c is fastened as a whole, remainder tow lug 5c and cylindrical shape stopper 5a lay respectively at outside the left and right sides of banding ring 1; Described banding ring 1 outer profile size is less than follow-up traction finished product steel wire bundle and wears the construction duct internal diameter sending.
There is following defect in above-mentioned prior art tractor: stopper tractor 5 is weldingly fixed on U-shaped reinforcing bar 5b open end by cylindrical shape stopper 5a and forms, and exists manufacturing process complicated, mutability, the defect that production efficiency is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of flexible steel strand retractor of using is provided, and has structure and manufacturing process is simple, a kind of steel strand retractor being contained on finished product steel wire bundle of indeformable easy installation.
The technical scheme solving the problems of the technologies described above is: a kind of steel strand retractor being contained on finished product steel wire bundle, and described steel strand retractor comprises: flexible steel hinge line, stopper; After described flexible steel hinge line bending, two terminations of a side are all fixed on stopper, and after bending, the flexible steel of opposite side hinge line forms the draw ring that connects pulling equipment; Described stopper is a metal derby being inserted in finished product steel wire bundle traction one end.
Preferred version is: described stopper is one to be had the fixing flat-shaped body in two terminations of flexible steel hinge line.
Preferred version is: described stopper is a flat-shaped cuboid, is provided with two through holes that are parallel to each other, two screwed holes that are parallel to each other on stopper; Two screwed holes are distinguished vertical and two through holes of perforation; Insert respectively in two through holes two terminations of described flexible steel hinge line; In two screwed holes, be fitted with respectively tight fixed bolt, the end of described tight fixed bolt is pressed in respectively on two terminations of flexible steel hinge line, flexible steel hinge line two ends is fixed in two through holes of stopper.
Preferred version is: the described stopper with draw ring is inserted in one end of finished product steel wire bundle traction, be positioned in the outer rim of finished product steel wire bundle of stopper one side and be set with banding ring, dedicated extruded equipment extruding banding ring, make banding ring and be arranged in the finished product steel wire bundle of its inner ring and a part of draw ring of flexible steel hinge line is fastened as a whole, remainder draw ring is exposed at the outside of finished product steel wire bundle traction one end; Described banding ring outer profile size is less than follow-up traction finished product steel wire bundle and wears the construction duct internal diameter sending.
The beneficial effects of the utility model are: the utility model overcomes the defect of prior art, the utlity model has following advantage:
1. with flexible steel twisted wire, as tractor, draw materials easily, only need from existing satisfactory finished steel twisted wire, intercept, without specially producing, not only economy but also practicality.
2. steel strand have very strong changeability, when connecting reserved prestressed pore passage, there will not be stuck phenomenon, guaranteed construction continue carry out, ensured construction speed.
3. the utlity model has advantage simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art tractor;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the structural representation of the utility model tractor;
Fig. 4 is B-B sectional view in Fig. 3;
Fig. 5 is stopper stereogram in Fig. 3.
1: banding ring; 2: steel strand retractor; 2a: draw ring; 2b: flexible steel hinge line; 2c: stopper; 2d: through hole; 2e: screwed hole; 2f: tight fixed bolt; 3: finished product steel wire bundle; 3b: single steel strand; 5: stopper tractor; 5a: cylindrical shape stopper; 5b:U steel bar; 5c: tow lug.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 3 is the structural representation of the utility model tractor; Fig. 4 is B-B sectional view in Fig. 3; Fig. 5 is stopper stereogram in Fig. 3.
As shown in the figure, the utility model provides a kind of steel strand retractor being contained on finished product steel wire bundle, and described steel strand retractor 2 comprises: flexible steel hinge line 2b, stopper 2c; After described flexible steel hinge line 2b bending, two terminations of a side are all fixed on stopper 2c above, and after bending, the flexible steel hinge line 2b of opposite side forms the draw ring 2a that connects pulling equipment; Described stopper 2c is a metal derby being inserted in finished product steel wire bundle 3 traction one end.
Described stopper 2c is one to be had the fixing flat-shaped body in two terminations of flexible steel hinge line 2b.
Described stopper 2c is a flat-shaped cuboid, is provided with two through hole 2d that are parallel to each other, two screwed hole 2e that are parallel to each other on stopper 2c; Two screwed hole 2e distinguish vertical and two through hole 2d of perforation; Described flexible steel hinge line 2b inserts respectively in two through hole 2d two terminations; In two screwed hole 2e, be fitted with respectively tight fixed bolt 2f, the end of described tight fixed bolt 2f is pressed in respectively on two terminations of flexible steel hinge line 2b, flexible steel hinge line 2b two ends is fixed in two through hole 2d of stopper 2c.
The described stopper 2c with draw ring 2a is inserted in one end of finished product steel wire bundle 3 tractions, be positioned in the outer rim of finished product steel wire bundle 3 of stopper 2c mono-side and be set with banding ring 1, dedicated extruded equipment extruding banding ring 1, make banding ring 1 and be arranged in the finished product steel wire bundle 3 of its inner ring and a part of draw ring 2a of flexible steel hinge line 2b is fastened as a whole, remainder draw ring 2a is exposed at the outside of finished product steel wire bundle 3 traction one end; Described banding ring 1 outer profile size is less than follow-up traction finished product steel wire bundle and wears the construction duct internal diameter sending.
In particular, the utility model adopts flat-shaped stopper 2c to be inserted in finished product steel wire bundle 3 traction one end, stopper 2c is as far as possible far away apart from finished product steel wire bundle 3 traction one end end faces, the a part of draw ring 2a that connects stopper 2c is also entered in finished product steel wire bundle 3 traction one end, banding ring 1 is enclosed within after finished product steel wire bundle 3 traction one end outer rims like this, stopper 2c and remainder draw ring 2a are positioned at outside banding ring 1 left and right sides, after dedicated extruded equipment extruding banding ring 1, banding ring 1 and finished product steel wire bundle 3 and a part of draw ring 2a banding are integrated, between single steel strand 3b in finished product steel wire bundle 3 after extruding, combine closely, when pulling equipment drags after draw ring 2a, the stressed movement of stopper 2c, stopper 2c must promote to be moved together with finished product steel wire bundle 3 by banding ring 3 banding single steel strand 3b, can effective and safe be worn and send construction duct by finished product steel wire bundle, wear and send process can avoid winding and the distortion between steel strand, efficiency of construction is high.
Described finished product steel wire bundle 3 also needs tie wire, loads onto the corresponding components such as mark plate wearing before sending construction duct.
Above an embodiment of the present utility model is had been described in detail, described content is only preferred embodiment of the present utility model, can not be considered to for limiting the scope that practices of the present utility model.All equalizations of doing according to the utility model change or improve, and do not have substantial novelty to change, and all should belong in covering scope of the present utility model.
Claims (4)
1. be contained in the steel strand retractor on finished product steel wire bundle, it is characterized in that, described steel strand retractor (2) comprising: flexible steel hinge line (2b), stopper (2c); After described flexible steel hinge line (2b) bending, two terminations of a side are all fixed on stopper (2c) above, and after bending, the flexible steel hinge line (2b) of opposite side forms the draw ring (2a) that connects pulling equipment; Described stopper (2c) is a metal derby being inserted in finished product steel wire bundle (3) traction one end.
2. a kind of steel strand retractor being contained on finished product steel wire bundle according to claim 1, is characterized in that, described stopper (2c) is one to be had the fixing flat-shaped body in two terminations of flexible steel hinge line (2b).
3. a kind of steel strand retractor being contained on finished product steel wire bundle according to claim 2, it is characterized in that, described stopper (2c) is a flat-shaped cuboid, is provided with two through holes (2d) that are parallel to each other, two screwed holes (2e) that are parallel to each other on stopper (2c); Two screwed holes (2e) are vertical and perforation two through holes (2d) respectively; Insert respectively in two through holes (2d) two terminations of described flexible steel hinge line (2b); In two screwed holes (2e), be fitted with respectively tight fixed bolt (2f), the end of described tight fixed bolt (2f) is pressed in respectively on two terminations of flexible steel hinge line (2b), flexible steel hinge line (2b) two ends is fixed in two through holes (2d) of stopper (2c).
4. a kind of steel strand retractor being contained on finished product steel wire bundle according to claim 1, it is characterized in that, the described stopper with draw ring (2a) (2c) is inserted in one end of finished product steel wire bundle (3) traction, be positioned in the outer rim of finished product steel wire bundle (3) of stopper (2c) side and be set with banding ring (1), dedicated extruded equipment extruding banding ring (1), make banding ring (1) and be arranged in the finished product steel wire bundle (3) of its inner ring and a part of draw ring (2a) of flexible steel hinge line (2b) is fastened as a whole, remainder draw ring (2a) is exposed at the outside of finished product steel wire bundle (3) traction one end, described banding ring (1) outer profile size is less than follow-up traction finished product steel wire bundle and wears the construction duct internal diameter sending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641629.5U CN203546607U (en) | 2013-10-17 | 2013-10-17 | Steel strand tractor mounted on finished steel strand bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320641629.5U CN203546607U (en) | 2013-10-17 | 2013-10-17 | Steel strand tractor mounted on finished steel strand bundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546607U true CN203546607U (en) | 2014-04-16 |
Family
ID=50464744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320641629.5U Withdrawn - After Issue CN203546607U (en) | 2013-10-17 | 2013-10-17 | Steel strand tractor mounted on finished steel strand bundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203546607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590339A (en) * | 2013-10-17 | 2014-02-19 | 天津鑫坤泰预应力专业技术有限公司 | Steel stranded wire tractor mounted on finished steel stranded wire bundle |
-
2013
- 2013-10-17 CN CN201320641629.5U patent/CN203546607U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590339A (en) * | 2013-10-17 | 2014-02-19 | 天津鑫坤泰预应力专业技术有限公司 | Steel stranded wire tractor mounted on finished steel stranded wire bundle |
| CN103590339B (en) * | 2013-10-17 | 2015-09-23 | 天津鑫坤泰预应力专业技术有限公司 | A kind of steel strand retractor be contained in finished steel strand bundle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Steel stranded wire tractor mounted on finished steel stranded wire bundle Effective date of registration: 20150205 Granted publication date: 20140416 Pledgee: Tianjin Beichen town bank Limited by Share Ltd Pledgor: Tianjin Shinkuntai Advanced Prestressing Technology Co., Ltd. Registration number: 2015120000008 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |