CN104032899A - Bonding type anchor device for FRP bars - Google Patents
Bonding type anchor device for FRP bars Download PDFInfo
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- CN104032899A CN104032899A CN201410266187.XA CN201410266187A CN104032899A CN 104032899 A CN104032899 A CN 104032899A CN 201410266187 A CN201410266187 A CN 201410266187A CN 104032899 A CN104032899 A CN 104032899A
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- anchor cylinder
- stifled
- nut
- frp muscle
- anchor
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Abstract
The invention discloses a bonding type anchor device for FRP (Fiber Reinforced Plastic) bars. The bonding type anchor device comprises anchor tubes, screw caps and end plugs, wherein a glue pouring hole (1) is formed in each anchor tube; the adjacent anchor tubes are connected through the screw caps (2); a continuous cone section (3) and flat and straight sections (4-1, and 4-2) are arranged inside each anchor tube; the flat straight sections (4-1, and 4-2) are fixedly arranged at the two ends of the corresponding continuous cone section (3); openings are formed in the two ends of each anchor tube; a first end plug (5-1) or a second end plug (5-2) is arranged on each opening; and through holes (6) are formed in the first end plug (5-1) or the second end plug (5-2). The bonding type anchor device has the advantages of high bearing capacity and high anchoring efficiency.
Description
Technical field
The present invention relates to a kind of anchor device that is subject to lacing wire (rope) material, especially the bonded anchor device of anchoring fiber bar material (FRP).
Background technology
The bond-anchorage body device of existing FRP muscle, its bond type anchorage, by " straight tube+internal cone type " structure design, has been realized the effective adhesive that has to FRP muscle, but under the certain prerequisite of the inner cone segment length of the type ground tackle, can cause ground tackle diameter excessive; The squeezing action of inner cone section is not obvious simultaneously, and anchoring efficiency is lower, is unfavorable for the raising of anchor cylinder tonnage.
Summary of the invention
The bond type anchorage and the implementation method thereof that the object of this invention is to provide a kind of effective anchoring FRP muscle material.
For addressing the above problem, the invention provides a kind of FRP muscle bond type anchorage, comprise that anchor cylinder, nut and end are stifled, described anchor cylinder is provided with glue filling opening, and described adjacent anchor cylinder connects by nut, and described anchor cylinder inside comprises continuous cone section and flat segments, the two ends of described continuous cone section are fixedly installed flat segments, described anchor cylinder two ends are provided with opening, and described opening is provided with that first end is stifled or the second end stifled, and stifled or the second end of described first end blocks and is provided with through hole.
As a further improvement on the present invention, described anchor cylinder comprises slippage anchor cylinder and positioning anchor cylinder, described slippage anchor tube inner surface is provided with smooth treatment layer, described positioning anchor tube inner surface is provided with roughening processing layer, described slippage anchor cylinder or positioning anchor tube outer surface are provided with screw thread, and described screw thread and nut are suitable.
As a further improvement on the present invention, described nut is at least provided with two, and described anchor cylinder is at least provided with three, and between described adjacent nut, close contact connects.Described nut is provided with pin hole, and the inwall of described pin hole is provided with screw thread, and latch is installed in described pin hole.
As a further improvement on the present invention, on the axis that is centered close to anchor cylinder that described first end is stifled or the second end is stifled.The distribution that is centrosymmetric of described first end through hole stifled or that the second end blocks.Described latch one end is provided with external screw thread, and described external screw thread and pin hole are suitable.
Compare with existing structure, the invention has the beneficial effects as follows: make full use of the cementitiousness of single anchor cylinder to FRP muscle, in the situation that single anchor tube length degree is less (anchoring efficiency is now higher), by nut, connect two anchor cylinders, the smooth treatment of slippage anchor cylinder is beneficial to colloid slippage, can allow positioning anchor cylinder bring into play anchorage effect, and slippage anchor cylinder is also brought into play anchorage effect.Slippage anchor cylinder and the common stretch-draw of positioning anchor cylinder, favourable to giving full play to of FRP muscle bearing capacity.Thereby obtain higher overall anchoring efficiency.
Structure design of the present invention has the following advantages: ground tackle simple structure of the present invention, and easy to use.Continuously cone section the total length that has increased small inclination cone section is set, this setting is beneficial to the formation of colloid to the extruding force of FRP muscle material, is beneficial to the performance of FRP muscle axial tension.Varied angle design makes to bore intersegmental part and occurs variable cross-section, is prone to stress concentration phenomenon during stretch-draw herein, and this setting is beneficial to the formation of colloid to the extruding force of FRP muscle material, is beneficial to the performance of FRP muscle axial tension.In inner cone segment length one regularly, the design of cone section can reduce ground tackle diameter continuously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the vertical section constructional drawing of bond type anchorage for FRP muscle of the present invention.
Fig. 2 is the latch front view of bond type anchorage for FRP muscle of the present invention.
Fig. 3 is I-I sectional view of Fig. 1.
Fig. 4 is II-II sectional view of Fig. 1.
Fig. 5 is the stifled structural representation of first end of bond type anchorage for FRP muscle of the present invention.
Fig. 6 is the stifled structural representation of the second end of bond type anchorage for FRP muscle of the present invention.
Fig. 7 is that FRP muscle of the present invention blocks up or the stifled left view of the second end with the first end of bond type anchorage.
In figure: 1-glue filling opening, 2-nut, 3-is the section of cone continuously, 4-1 flat segments, 4-2 flat segments, 5-1 first end is stifled, and 5-2 the second end is stifled, 6-through hole, 7-slippage anchor cylinder, 8-positioning anchor cylinder, 9-screw thread, 10-pin hole, 11-latch, 12-external screw thread, 13-screw hole.
The specific embodiment
As shown in Fig. 1-7, a kind of FRP muscle bond type anchorage, comprises that anchor cylinder, nut and end are stifled, and anchor cylinder is provided with glue filling opening 1, and its diameter need to be determined according to encapsulating.Adjacent anchor cylinder connects by nut 2, and anchor cylinder inside comprises continuous cone section 3 and flat segments 4-1,4-2, and the two ends of cone section 3 are fixedly installed flat segments 4-1 continuously, 4-2, anchor cylinder interior shape is: flat segments+continuous cone section+flat segments.
Anchor cylinder two ends are provided with opening, and opening is provided with the stifled 5-1 of first end or the stifled 5-2 of the second end, and the stifled 5-1 of first end or the stifled 5-2 of the second end are provided with through hole 6.The left view of the stifled 5-1 of first end and the stifled 5-2 of the second end is shaped as disc, and the stifled 5-1 of first end or the stifled 5-2 brim-portion thickness of the second end are 3mm, and the thickness of mid portion is 6mm, and Duan Du center is provided with a through hole 6; Central Symmetry is arranged some through holes 6, and in order to FRP muscle material is located, through hole 6, than FRP muscle material slightly larger in diameter, can be determined according to FRP muscle material diameter.The stifled 5-1 of first end and the stifled 5-2 of the second end all establish 13 4 of screw holes, for holding stifled location.On the axis that is centered close to anchor cylinder of the stifled 5-1 of first end or the stifled 5-2 of the second end.
Anchor cylinder comprises slippage anchor cylinder 7 and positioning anchor cylinder 8, and slippage anchor cylinder 7 inner surfaces are provided with smooth treatment layer, and positioning anchor cylinder 8 inner surfaces are provided with roughening processing layer, and slippage anchor cylinder 7 or positioning anchor cylinder 8 external surfaces are provided with screw thread 9, and screw thread 9 is suitable with nut 2.
Nut 2 is at least provided with two, and anchor cylinder is at least provided with three, and between adjacent nut 2, close contact connects.Nut 2 is provided with pin hole 10, and the inwall of pin hole 10 is provided with screw thread, the interior installation latch 11 of pin hole 10.Latch 11 one end are provided with external screw thread 12, and external screw thread 12 is suitable with pin hole 10.External screw thread 12 specifications are M3.
The implementation method of bond type anchorage for FRP muscle of the present invention, comprises the following steps:
Step 1: FRP muscle material is passed successively from the stifled 5-1 of first end, slippage anchor cylinder 7, the stifled 5-2 of the second end, nut 2, the stifled 5-1 of first end, slippage anchor cylinder 7, the stifled 5-2 of the second end, nut 3, the stifled 5-1 of first end, positioning anchor cylinder 8, the stifled 5-2 of the second end.
Step 2: fixedly the stifled 5-1 of first end and the second end block up 5-2, and nut 3 connects adjacent anchor cylinders, is seamless close contact between adjacent nut 2, complete muscle material location.
Step 3: cementing medium is carried out to encapsulating until all through holes 6 of the stifled 5-1 of first end or the stifled 5-2 of the second end all have colloid to overflow by pressure adhesive injection device from glue filling opening 1, complete encapsulating.
Step 4: encapsulating is completed to ground tackle and carry out maintenance, complete implementation step.
When FRP muscle material tension,, when can make slippage anchor cylinder 1 that bearing capacity is provided, there is colloid slippage in the 1 inner wall smooth setting of slippage anchor cylinder.In slippage anchor cylinder 1, colloid slippage can make positioning anchor cylinder 2 that tension bearing capacity is provided.In anchor cylinder, cone section arranges, and roughening processes and all can improve the extruding force of bonding colloid to muscle material, strengthens the frictional force on FRP muscle material surface, thereby obtains higher overall anchoring efficiency, has reduced the length of anchor device.Meanwhile, owing to being provided with a plurality of cap independent cylinders, during this anchor tool system tension, its tension bearing capacity has higher surplus capacity.
Claims (7)
1. a FRP muscle bond type anchorage, comprise that anchor cylinder, nut and end are stifled, described anchor cylinder is provided with glue filling opening (1), it is characterized in that: described adjacent anchor cylinder connects by nut (2), described anchor cylinder inside comprises continuous cone section (3) and flat segments (4-1,4-2), the two ends of described continuous cone section (3) are fixedly installed flat segments (4-1,4-2), described anchor cylinder two ends are provided with opening, described opening is provided with first end stifled (5-1) or the second end stifled (5-2), and described first end stifled (5-1) or the second end stifled (5-2) are provided with through hole (6).
2. FRP muscle bond type anchorage according to claim 1, it is characterized in that: described anchor cylinder comprises slippage anchor cylinder (7) and positioning anchor cylinder (8), described slippage anchor cylinder (7) inner surface is provided with smooth treatment layer, described positioning anchor cylinder (8) inner surface is provided with roughening processing layer, described slippage anchor cylinder (7) or positioning anchor cylinder (8) external surface are provided with screw thread (9), and described screw thread (9) is suitable with nut (2).
3. FRP muscle bond type anchorage according to claim 1, is characterized in that: described nut (2) is at least provided with two, and described anchor cylinder is at least provided with three, and between described adjacent nut (2), close contact connects.
4. FRP muscle bond type anchorage according to claim 1, is characterized in that: described nut (2) is provided with pin hole (10), and the inwall of described pin hole (10) is provided with screw thread, and latch (11) is installed in described pin hole (10).
5. FRP muscle bond type anchorage according to claim 1, is characterized in that: on the axis that is centered close to anchor cylinder of described first end stifled (5-1) or the second end stifled (5-2).
6. FRP muscle bond type anchorage according to claim 1, is characterized in that: the distribution that is centrosymmetric of the through hole (6) on described first end stifled (5-1) or the second end stifled (5-2).
7. FRP muscle bond type anchorage according to claim 4, is characterized in that: described latch (11) one end is provided with external screw thread (12), and described external screw thread (12) is suitable with pin hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266187.XA CN104032899A (en) | 2014-06-16 | 2014-06-16 | Bonding type anchor device for FRP bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266187.XA CN104032899A (en) | 2014-06-16 | 2014-06-16 | Bonding type anchor device for FRP bars |
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| Publication Number | Publication Date |
|---|---|
| CN104032899A true CN104032899A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410266187.XA Pending CN104032899A (en) | 2014-06-16 | 2014-06-16 | Bonding type anchor device for FRP bars |
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| CN (1) | CN104032899A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421231A (en) * | 2015-12-25 | 2016-03-23 | 招商局重庆交通科研设计院有限公司 | CFRP rib inhaul cable group anchorage device for bridge and manufacturing process of CFRP tendon inhaul cable group anchorage device |
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
| CN108318537A (en) * | 2018-02-09 | 2018-07-24 | 江苏大学 | A kind of multi-electrode sensing arrangement and its method |
-
2014
- 2014-06-16 CN CN201410266187.XA patent/CN104032899A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421231A (en) * | 2015-12-25 | 2016-03-23 | 招商局重庆交通科研设计院有限公司 | CFRP rib inhaul cable group anchorage device for bridge and manufacturing process of CFRP tendon inhaul cable group anchorage device |
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
| CN108318537A (en) * | 2018-02-09 | 2018-07-24 | 江苏大学 | A kind of multi-electrode sensing arrangement and its method |
| CN108318537B (en) * | 2018-02-09 | 2024-01-05 | 江苏大学 | Multi-electrode sensing structure and method thereof |
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Application publication date: 20140910 |