CN204491413U - Anchoring steel strand tensioning apparatus - Google Patents
Anchoring steel strand tensioning apparatus Download PDFInfo
- Publication number
- CN204491413U CN204491413U CN201520041274.5U CN201520041274U CN204491413U CN 204491413 U CN204491413 U CN 204491413U CN 201520041274 U CN201520041274 U CN 201520041274U CN 204491413 U CN204491413 U CN 204491413U
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- China
- Prior art keywords
- steel strand
- ground tackle
- tension side
- side ground
- fixed
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of anchoring steel strand tensioning apparatus, it is characterized in that, comprise fixed end ground tackle and tension side ground tackle, be all fixed on testing counter; Described fixed end ground tackle comprises the starting stave having circular bore hole in the middle of, and described tension side ground tackle comprises the second riser having multiple steel strand hole in the middle of; This device also comprises guy system ground tackle and parrel, described guy system ground tackle and described circular bore hole interference fit, and one end of many steel strand is through described guy system ground tackle, and the other end is each passed through the steel strand hole of described tension side ground tackle; Described parrel, near ground tackle one end, described tension side, locks many steel strand; This device also comprises hydraulic jack, and it applies horizontal external in the outside of tension side ground tackle to one end of steel strand.The beneficial effect that the utility model produces is: anchoring steel strand tensioning apparatus of the present utility model adopts fixed end ground tackle and tension side ground tackle to be fixed at the two ends of steel strand, successively external force is applied to many steel strand of tension side ground tackle by hydraulic jack, and lock many steel strand by parrel, structure is simple, easy to operate, different force can be applied, preferably the actual loading situation of simulation steel strand to steel strand.
Description
Technical field
The utility model relates to a kind of tensioning apparatus, particularly relates to the anchor system tensioning apparatus that a kind of special steel strand door is applicable to anchoring steel strand detection.
Background technology
Steel strand are widely used in large-sized concrete structure, as oblique pull lock bridge and suspension bridge etc., at present, what treatment rates adopted mostly is the load bearing manner drawing (hanging) rope, and because intensity is high, steel strand find broad application in prestressed structure, it is the frame member of the structure of drawing (hanging) cable bridge beam, the quality of its health status directly affects weight capacity and the security performance of whole bridge construction, the connecting portion of steel strand and girder, and namely anchorage zone is the key position of main beam structure.But, damages in various degree such as drawing circumstance complication residing for (hanging) cable bridge girder anchorage zone, stress is concentrated, steel strand in anchorage zone easily cause burn into cracking, thus threaten the safety of bed rearrangement bridge.Therefore, identify that the defect of anchorage zone steel strand is to safeguarding that the general safety tool of bridge is of great significance.China utilizes lossless detection method to detect anchorage zone steel strand and is also in developing stage, and problem demanding prompt solution be the stressing conditions of how better simulating anchorage zone first.
In the experiment for non-destructive testing experiment of steel strand, need the stress by tensioning apparatus simulation steel strand bridge anchoring steel strand under arms, usually a set of anchor device is adopted to be done up by a set of guy system by multi beam steel strand at present both at home and abroad, the position of simulation anchoring steel strand, the deficiency of this mode has:
(1) steel strand is stressed little, can not simulate the stressing conditions of anchoring steel strand;
(2) position of multi beam steel strand is inaccurate, can not simulate the mutual alignment between anchoring steel strand;
(3) stressed size is non-adjustable, can not change the stressed size of steel strand.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned defect of the prior art, a kind of tensioning apparatus of simulating position between anchoring steel strand stressing conditions and steel strand is provided, this apparatus structure is simple, and easy to operate, the stressed size of steel strand is adjustable.
The utility model solves the technical scheme that its technical problem adopts:
A kind of anchoring steel strand tensioning apparatus is provided, comprises fixed end ground tackle and tension side ground tackle, be all fixed on testing counter; Described fixed end ground tackle comprises the starting stave having circular bore hole in the middle of, and described tension side ground tackle comprises the second riser having multiple steel strand hole in the middle of;
This device also comprises guy system ground tackle and parrel, described guy system ground tackle and described circular bore hole interference fit, and one end of many steel strand is through described guy system ground tackle, and the other end is each passed through the steel strand hole of described tension side ground tackle; Described parrel, near ground tackle one end, described tension side, locks many steel strand;
This device also comprises hydraulic jack, and it applies horizontal external in the outside of tension side ground tackle to one end of steel strand.
In device described in the utility model, described fixed end ground tackle also comprises one first transverse slat, and this first transverse slat is fixed by stiffener and starting stave;
Described tension side ground tackle comprises one second transverse slat, and this second transverse slat is fixed by stiffener and starting stave.
In device described in the utility model, described first transverse slat and described second transverse slat are equipped with multiple bolt hole.
The beneficial effect that the utility model produces is: anchoring steel strand tensioning apparatus of the present utility model adopts fixed end ground tackle and tension side ground tackle to be fixed at the two ends of steel strand, successively external force is applied to many steel strand of tension side ground tackle by hydraulic jack, and lock many steel strand by parrel, structure is simple, easy to operate, different force can be applied, preferably the actual loading situation of simulation steel strand to steel strand.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the assembling schematic diagram of the utility model embodiment anchoring steel strand tensioning apparatus.
Fig. 2 is the structural representation of the utility model embodiment anchoring steel strand tensioning apparatus fixed end ground tackle.
Fig. 3 is the structural representation of the utility model embodiment anchoring steel strand tensioning apparatus tension side ground tackle.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model embodiment anchoring steel strand tensioning apparatus, comprise fixed end ground tackle 1, tension side ground tackle 2, parrel 3, one of steel strand 6 section is fixed by fixed end anchor 1, fixed end ground tackle 1 comprises transverse slat 7, riser 8, four pieces of stiffeners 9, transverse slat there are four through holes 11, fixed end ground tackle is fixed on experimental bench, transverse slat 7 there is a circular bore hole 10, tension side ground tackle 2 applies horizontal external by the other end of additional hydraulic jack 5 pairs of steel strand 6, tension side ground tackle 2 comprises transverse slat 12, riser 13, four pieces of stiffeners 14, transverse slat 7 there are four through holes 15, tension side ground tackle 2 is fixed on experimental bench, parrel 3 is near tension side ground tackle 2 and lock many steel strand 6.
The operating principle of anchoring steel strand: fixed end ground tackle and tension side ground tackle are separately fixed on experimental table by bolt, as shown in Figure 1, fixed end ground tackle 1 and tension side ground tackle 2 are placed face-to-face, circular bore hole 10 on the riser 8 of fixed end ground tackle 1 forms interference fit with guy system ground tackle 4, one end of steel strand 6 is fixed on fixed end ground tackle 1, the other end is horizontal through one of them through hole 15 of tension side ground tackle 2, on tension side ground tackle 2, horizontal external is applied to steel strand 6 by hydraulic jack 5, then this end of steel strand 6 is fixed on tension side ground tackle 2, now steel strand 6 are in stress, the experimental demand of its stressed size applies, when many steel strand 6 are installed, parrel 3 will tighten multiturn steel strand 6.
In an embodiment of the present utility model, fixed end ground tackle 1 and tension side ground tackle 2 all use Q235 steel, and its supporting capacity need meet the stressed size of multiturn steel strand 6.
Further, the diameter of the circular bore hole 10 of fixed end ground tackle 1 need design according to guy system ground tackle 4, forms interference fit with guy system ground tackle 4.
The steel strand bore dia of tension side ground tackle 2, according to steel strand 6 diameter design used, forms interference fit with steel strand 6.In an embodiment of the present utility model, all boring 4 bolt holes on the transverse slat of fixed end ground tackle 1 and tension side ground tackle 2, to meet the anchoring steel strand tensioning apparatus bolt requirement of strength of being cut in use.
In the utility model embodiment as shown in Figure 2,4 steel strand 6 are installed, in actual applications, tens of steel strand 6 need be installed, at parrel 3 place, contacted with each other between close steel strand 6.
To sum up, anchoring steel strand tensioning apparatus of the present utility model adopts fixed end ground tackle 1 and tension side ground tackle 2 to be fixed at the two ends of steel strand, successively external force is applied to many steel strand of tension side ground tackle by hydraulic jack 5, and lock many steel strand by parrel 3, structure is simple, easy to operate, different force can be applied to steel strand, preferably the actual loading situation of simulation steel strand.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (3)
1. an anchoring steel strand tensioning apparatus, is characterized in that, comprises fixed end ground tackle and tension side ground tackle, is all fixed on testing counter; Described fixed end ground tackle comprises the starting stave having circular bore hole in the middle of, and described tension side ground tackle comprises the second riser having multiple steel strand hole in the middle of;
This device also comprises guy system ground tackle and parrel, described guy system ground tackle and described circular bore hole interference fit, and one end of many steel strand is through described guy system ground tackle, and the other end is each passed through the steel strand hole of described tension side ground tackle; Described parrel, near ground tackle one end, described tension side, locks many steel strand;
This device also comprises hydraulic jack, and it applies horizontal external in the outside of tension side ground tackle to one end of steel strand.
2. device according to claim 1, is characterized in that, described fixed end ground tackle also comprises one first transverse slat, and this first transverse slat is fixed by stiffener and starting stave;
Described tension side ground tackle comprises one second transverse slat, and this second transverse slat is fixed by stiffener and starting stave.
3. device according to claim 1, is characterized in that, described first transverse slat and described second transverse slat are equipped with multiple bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041274.5U CN204491413U (en) | 2015-01-21 | 2015-01-21 | Anchoring steel strand tensioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041274.5U CN204491413U (en) | 2015-01-21 | 2015-01-21 | Anchoring steel strand tensioning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204491413U true CN204491413U (en) | 2015-07-22 |
Family
ID=53570712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520041274.5U Expired - Fee Related CN204491413U (en) | 2015-01-21 | 2015-01-21 | Anchoring steel strand tensioning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204491413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817170A (en) * | 2017-12-04 | 2018-03-20 | 柳州欧维姆机械股份有限公司 | A kind of drag-line fire prevention anchoring property experimental rig and its test method |
| CN109142063A (en) * | 2018-11-13 | 2019-01-04 | 天津城建大学 | Test the test macro and test method of CFRP tendons binding type anchorage mechanical property |
-
2015
- 2015-01-21 CN CN201520041274.5U patent/CN204491413U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817170A (en) * | 2017-12-04 | 2018-03-20 | 柳州欧维姆机械股份有限公司 | A kind of drag-line fire prevention anchoring property experimental rig and its test method |
| CN107817170B (en) * | 2017-12-04 | 2024-03-19 | 柳州欧维姆机械股份有限公司 | Cable fireproof anchoring performance test device and test method thereof |
| CN109142063A (en) * | 2018-11-13 | 2019-01-04 | 天津城建大学 | Test the test macro and test method of CFRP tendons binding type anchorage mechanical property |
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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 |
Granted publication date: 20150722 Termination date: 20160121 |
|
| EXPY | Termination of patent right or utility model |