CN203383401U - Clamping anchor for carbon-fiber composite material bar - Google Patents
Clamping anchor for carbon-fiber composite material bar Download PDFInfo
- Publication number
- CN203383401U CN203383401U CN201320396831.6U CN201320396831U CN203383401U CN 203383401 U CN203383401 U CN 203383401U CN 201320396831 U CN201320396831 U CN 201320396831U CN 203383401 U CN203383401 U CN 203383401U
- Authority
- CN
- China
- Prior art keywords
- groove
- carbon fibre
- fibre composite
- hole
- clamping plate
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses a clamping anchor for a carbon-fiber composite material bar. The clamping anchor comprises a first clamp plate, a second clamp plate, bolts and nuts, wherein a first groove is formed in the first clamp plate, and first through holes are formed in two sides of the first groove; a second groove opposite to the first groove is formed in the second clamp plate, and second through holes corresponding to the first through holes are formed in two sides of the second groove; the bolts penetrate through the first through holes and the second through holes and are screwed with the nuts. The clamping anchor has the following advantages that the carbon-fiber composite material bar is put in a space surrounded by the first groove and the second groove, and the first clamp plate and the second clamp plate are tightly clamped through the match of the bolts and the nuts so that the carbon-fiber composite material bar is fixed; assembly is simple, and the stress concentration degree of the carbon-fiber composite material bar can be reduced.
Description
Technical field
The utility model relates to a kind of clipping ground tackle of carbon fibre composite muscle.
Background technology
The carbon fibre composite muscle has the advantages such as intensity is high, lightweight, corrosion-resistant, anti-fatigue performance is good, in field of civil engineering, has obtained application more and more widely.Research shows, the carbon fibre composite muscle is applied to the cracking resistance that prestressing force can improve original member, the self-resetting capability after enhancing structure generation plastic strain.It is rib prestressed that end anchorage reliably can effectively maintain carbon fibre composite, prevents or reduce the slippage of carbon fibre composite muscle, thereby improving the utilization rate of material.Therefore, efficient, simple, economic ground tackle is one of key technology of applying of pre-stressed carbon fiber composite material bar.Recent two decades comes, carbon fibre composite muscle ground tackle has been carried out to theory analysis and experimental study widely both at home and abroad, the carbon fibre composite muscle ground tackle of having researched and developed at present can be divided into mechanical grip formula and the large class of chemical bonding formula two from force-mechanism, and pluses and minuses are respectively arranged.Adopt mechanical grip formula ground tackle to there is the advantages such as easy to process, simple to operate, short construction period.Yet because the carbon fibre composite muscle is a kind of anisotropic material, and transverse strength is low, adopt the clipping ground tackle of conventional mechanical in clamping process, easily to make force side carbon fibre composite muscle produce stress and concentrate, cause the muscle material to rupture in advance.Therefore, how to solve the emphasis that problem of stress concentration is the research and development of mechanical grip formula carbon fibre composite muscle ground tackle.
The utility model content
The utility model provides a kind of clipping ground tackle of carbon fibre composite muscle, and it has overcome the existing deficiency of background technology.The technical scheme adopted that the utility model solves its technical problem is: a kind of clipping ground tackle of carbon fibre composite muscle, and it is characterized in that: it comprises:
One first clamping plate (10), it offers one first groove (11), and two sides of the first groove (11) all offer the first through hole (12);
One second clamping plate (20), its offer one can with the second groove of the first groove (11) positioned opposite, two sides of the second groove all offer the second through hole that can be corresponding with the first through hole (12); And
With bolt (30) and the nut (40) of the number such as the first through hole (12) number, bolt (30) successively passes the first through hole (12) and the second through hole and coordinates with nut (40) bolt.
Among one preferred embodiment: the space that the first groove (11) and the second groove surround and the shape size of carbon fibre composite muscle (50) are suitable.
Among one preferred embodiment: described carbon fibre composite muscle (50) comprises force side (51), construction section (52) and free end (53), construction section (52) is positioned between force side (51) and free end (53), and construction section (52) matches with the first groove (11) and the second groove.
Among one preferred embodiment: described the first through hole (12) along the first groove (11) between the upper and lower every and be arranged side by side, the second through hole along the second groove between the upper and lower every and be arranged side by side, bolt (30) pretightning force size is little for gradual change from bottom to top.
Among one preferred embodiment: described the first clamping plate (10) and the second clamping plate (20) are rectangle, and described the first groove (11) and the second groove extend to end face along the length direction of the first clamping plate (10) and the second clamping plate (20) respectively.
The technical program is compared with background technology, and it has following advantage:
1. the carbon fibre composite muscle is placed in the space that the first groove and the second groove surround, cooperation by bolts and nuts clamps the first clamping plate and the second clamping plate and then the carbon fibre composite muscle is fixed again, assembling is simple, and can reduce the stress concentration of carbon fibre composite muscle.
2. screw bolt pretightening force is little for gradual change from bottom to top, the problem that can further effectively avoid the carbon fibre composite muscle to concentrate due to stress in force side and rupture in advance, the shearing at carbon fibre composite muscle-ground tackle interface is uniformly distributed along anchorage length, gives full play to the anchoring property of ground tackle.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 has illustrated the structural representation of the first clamping plate of a preferred embodiment.
Fig. 2 has illustrated the schematic cross-section of Fig. 1.
Fig. 3 has illustrated the scheme of installation of the carbon fibre composite muscle of a preferred embodiment.
Fig. 4 has illustrated the lateral view of Fig. 3.
The specific embodiment
Please refer to Fig. 1 to Fig. 4, an a kind of preferred embodiment of clipping ground tackle of carbon fibre composite muscle, the clipping ground tackle of described a kind of carbon fibre composite muscle, it comprises one first clamping plate 10, one second clamping plate 20, bolt 30 and nut 40.
Described the first clamping plate 10, its two sides that offer one first groove 11, the first grooves 11 all offer the first through hole 12.In the present embodiment, described the first clamping plate 10 are rectangle, and described the first groove 11 extends to end face along the length direction of the first clamping plate 10.In the present embodiment, described the first through hole 12 along the first groove 11 between the upper and lower every and be arranged side by side.In the present embodiment, the first through hole 12 numbers are made as three rows, two of every rows.
Described the second clamping plate 20, its offer one can with the second groove of the first groove 11 positioned opposite, two sides of the second groove all offer the second through hole that can be corresponding with the first through hole 12.In the present embodiment, described the second clamping plate 20 are rectangle, and described the second groove extends to end face along the length direction of the second clamping plate 20.In the present embodiment, the second through hole along the second groove between the upper and lower every and be arranged side by side.In the present embodiment, the second through hole number is made as three rows, two of every rows.
The space that the first groove 11 and the second groove surround and the shape size of carbon fibre composite muscle 50 are suitable.In the present embodiment, carbon fibre composite muscle 50 is cylindrical, and the first groove 11 and the second groove are semicircle.The shape of the first groove 11 and the second groove also can be changed according to the shape of carbon fibre composite muscle 50.
In the present embodiment, described carbon fibre composite muscle 50 comprises force side 51, construction section 52 and free end 53, and construction section 52 is between force side 51 and free end 53, and construction section 52 matches with the first groove 11 and the second groove.
The number of bolt 30 and nut 40 all is made as six, and bolt 30 successively passes the first through hole 12 and the second through hole and coordinates with nut 40 bolts.In the present embodiment, bolt 30 pretightning force sizes are little for gradual change from bottom to top.In the present embodiment, bolt 30 adopts high-strength bolt.
The mounting method of this ground tackle is:
Reserve the construction section 52 of carbon fibre composite muscle 50 according to the length of the first groove of ground tackle, slight grinding process is carried out in these construction section 52 surfaces; Remove the impurity of the first groove and the second groove surfaces simultaneously; The construction section of carbon fibre composite muscle 50 52 is placed in the space that the first groove and the second groove surround, and six bolts are respectively through the first through hole and the second through hole, then six nuts are screwed onto respectively on six bolts; Afterwards, the nut end of bolt adopts common wrench to fix, and nut end adopts torque wrench to tighten according to the torque value of design, makes bolt 30 pretightning force size gradual changes from bottom to top little, realizes the anchoring to carbon fibre composite muscle 50.Like this, because stress is concentrated, problem that rupture in advance makes the shearing at carbon fibre composite muscle-ground tackle interface be uniformly distributed along anchorage length in force side effectively to avoid the carbon fibre composite muscle, gives full play to the anchoring property of ground tackle.
The above, it is only the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (5)
1. the clipping ground tackle of a carbon fibre composite muscle, it is characterized in that: it comprises:
One first clamping plate (10), it offers one first groove (11), and two sides of the first groove (11) all offer the first through hole (12);
One second clamping plate (20), its offer one can with the second groove of the first groove (11) positioned opposite, two sides of the second groove all offer the second through hole that can be corresponding with the first through hole (12); And
With bolt (30) and the nut (40) of the number such as the first through hole (12) number, bolt (30) successively passes the first through hole (12) and the second through hole and coordinates with nut (40) bolt.
2. the clipping ground tackle of a kind of carbon fibre composite muscle according to claim 1 is characterized in that: the space that the first groove (11) and the second groove surround and the shape size of carbon fibre composite muscle (50) are suitable.
3. the clipping ground tackle of a kind of carbon fibre composite muscle according to claim 1, it is characterized in that: described carbon fibre composite muscle (50) comprises force side (51), construction section (52) and free end (53), construction section (52) is positioned between force side (51) and free end (53), and construction section (52) matches with the first groove (11) and the second groove.
4. the clipping ground tackle of a kind of carbon fibre composite muscle according to claim 1, it is characterized in that: described the first through hole (12) along the first groove (11) between the upper and lower every and be arranged side by side, the second through hole along the second groove between the upper and lower every and be arranged side by side, bolt (30) pretightning force size is little for gradual change from bottom to top.
5. the clipping ground tackle of a kind of carbon fibre composite muscle according to claim 1, it is characterized in that: described the first clamping plate (10) and the second clamping plate (20) are rectangle, and described the first groove (11) and the second groove extend to end face along the length direction of the first clamping plate (10) and the second clamping plate (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396831.6U CN203383401U (en) | 2013-07-04 | 2013-07-04 | Clamping anchor for carbon-fiber composite material bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396831.6U CN203383401U (en) | 2013-07-04 | 2013-07-04 | Clamping anchor for carbon-fiber composite material bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383401U true CN203383401U (en) | 2014-01-08 |
Family
ID=49871912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320396831.6U Expired - Lifetime CN203383401U (en) | 2013-07-04 | 2013-07-04 | Clamping anchor for carbon-fiber composite material bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383401U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486587A (en) * | 2015-11-18 | 2016-04-13 | 河南平高电气股份有限公司 | Basin-type insulator hydrostatic test tool and test cylinder thereof |
| CN105781123A (en) * | 2016-05-06 | 2016-07-20 | 西南交通大学 | Mechanical gripping anchor for carbon fiber plate and reinforcing device |
| CN106284849A (en) * | 2016-09-26 | 2017-01-04 | 昆山生态屋建筑技术有限公司 | A kind of splicing rack deformed bar anchorage |
| CN107984408A (en) * | 2017-11-30 | 2018-05-04 | 华南农业大学 | A kind of carbon fibre material picks up element clamp method and clamping device |
| CN110186752A (en) * | 2019-05-17 | 2019-08-30 | 天津大学 | A kind of anchorage for justifying pultrusion CFRP bar drawing and Experimental on acoustic emission for light |
| CN110186751A (en) * | 2019-05-17 | 2019-08-30 | 天津大学 | A kind of clamping plate type anchorage for light circle pultrusion CFRP bar drawing test |
| CN110904420A (en) * | 2019-12-30 | 2020-03-24 | 浙江工业大学 | Fiber end face coating device in magnetron sputtering |
-
2013
- 2013-07-04 CN CN201320396831.6U patent/CN203383401U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486587A (en) * | 2015-11-18 | 2016-04-13 | 河南平高电气股份有限公司 | Basin-type insulator hydrostatic test tool and test cylinder thereof |
| CN105781123A (en) * | 2016-05-06 | 2016-07-20 | 西南交通大学 | Mechanical gripping anchor for carbon fiber plate and reinforcing device |
| CN106284849A (en) * | 2016-09-26 | 2017-01-04 | 昆山生态屋建筑技术有限公司 | A kind of splicing rack deformed bar anchorage |
| CN107984408A (en) * | 2017-11-30 | 2018-05-04 | 华南农业大学 | A kind of carbon fibre material picks up element clamp method and clamping device |
| CN110186752A (en) * | 2019-05-17 | 2019-08-30 | 天津大学 | A kind of anchorage for justifying pultrusion CFRP bar drawing and Experimental on acoustic emission for light |
| CN110186751A (en) * | 2019-05-17 | 2019-08-30 | 天津大学 | A kind of clamping plate type anchorage for light circle pultrusion CFRP bar drawing test |
| CN110904420A (en) * | 2019-12-30 | 2020-03-24 | 浙江工业大学 | Fiber end face coating device in magnetron sputtering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203383401U (en) | Clamping anchor for carbon-fiber composite material bar | |
| CN203769342U (en) | Rigid self-locking pre-stress carbon fiber plate anchoring system | |
| CN204200510U (en) | A kind of crosshead for piston compressor | |
| CN201106657Y (en) | Steel cable clamper | |
| CN203412198U (en) | Prestress fiber reinforced composite material cable anchoring device adopting spiral slot clamping piece | |
| CN203097117U (en) | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet | |
| CN202611109U (en) | Steel strand connector | |
| KR100550605B1 (en) | Prestress concrete groundwork for electric pole | |
| CN204174840U (en) | The locking ground tackle of prestress anchoraging | |
| CN202483189U (en) | Strand tapered anchorage pre-tightening device | |
| CN103758289A (en) | Strand tapered anchorage for tension of carbon fiber plate | |
| CN204357005U (en) | Prestressed FRP rib tensioning and anchoring device | |
| CN202644401U (en) | Omnipotent prestress stretch-draw connecting structure for finish-rolling screw-thread steel | |
| CN205503694U (en) | Yi xuan twists type bolt | |
| CN202833519U (en) | Novel fastener | |
| CN208167776U (en) | A kind of Wind turbines finish rolling Bar Anchorage basis break structure | |
| CN103107495B (en) | Guy wire bender | |
| CN208815415U (en) | A kind of steel strand penetrating device | |
| CN203626265U (en) | Pre-stress steel strand suspension tensioning stopper | |
| CN202900923U (en) | Novel U-shaped bolt | |
| CN202440993U (en) | Flat turn adjusting and pre-tightening type directional clamping anchorage device | |
| CN201933695U (en) | Prestressed steel bar fixing anchorage device | |
| CN207819586U (en) | A kind of damping ring is connected and fixed structure | |
| CN204628231U (en) | A kind of high efficiency and heat radiation tightening nut | |
| CN202978117U (en) | Stay wire bender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |