CN110258931A - A kind of clipping anchor of prestressing force - Google Patents
A kind of clipping anchor of prestressing force Download PDFInfo
- Publication number
- CN110258931A CN110258931A CN201910624441.1A CN201910624441A CN110258931A CN 110258931 A CN110258931 A CN 110258931A CN 201910624441 A CN201910624441 A CN 201910624441A CN 110258931 A CN110258931 A CN 110258931A
- Authority
- CN
- China
- Prior art keywords
- anchor hole
- steel strand
- strand wires
- strap
- boss
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
Abstract
The invention discloses a kind of clipping anchors of prestressing force, belong to technical field of building construction, including steel strand wires, it is characterized in that, steel strand wires both ends are fixedly installed anchorage component, the anchorage component includes ambulatory splint, strap, ambulatory splint is fixedly connected with strap, ambulatory splint has top to bottm to be disposed with several anchor holes, boss has been downwardly protrude to form in the middle part of the ambulatory splint, recess is formed with groove compatible with boss downwards in the middle part of strap, boss anchor hole is provided through in the middle part of boss, steel strand wires sequentially pass through the first upper limit anchor hole, boss anchor hole and the second upper limit anchor hole, at least an anchorage component is symmetrical above and below is connected with tensioning component, by the way that steel strand wires one end is fixed on anchorage component, the steel strand wires other end is secured on the anchorage component connecting with tensioning component, start very heavy It pushes up and the side for driving strap to be directed away from steel strand wires is mobile, drive steel strand wires that tensioning occurs and then adjust prestressed stress.
Description
Technical field
The invention belongs to technical field of building construction, more particularly to a kind of clipping anchor of prestressing force.
Background technique
Prestressed stretch-draw be in component in advance plus pulling force so that being applied prestressed stretch-draw component bears compression, into
And it is made to generate certain deformation, to cope with the suffered load of structure itself, load, wind lotus including component own wt
Load, snow load, seismic loading etc. are one of common technologies in architectural engineering, and applying prestressing force to component can be obvious
The workpiece performances such as intensity, rigidity, the crack resistance of component are improved, the durability of structure is increased, save steel, mitigate self weight.
When for small-size concrete beam and smaller member reinforcing steel bar, due to lacking the matched high-strength anchor of clamping in the existing practice
Tool causes the stress of each member reinforcing steel bar center of gravity occur inclined when the steel strand anchorage to stress carries out prestressing force adjusting
The phenomenon that shifting, both sides warpage, so that prestressing force is not able to satisfy design requirement, the bending resistance and rigidity for not being able to satisfy component are wanted
It asks, i.e., stretch-draw effect is undesirable, even results in engineering disaster if serious.
Summary of the invention
It is an object of the invention to: in order to solve the deficiencies in the prior art, provide a kind of clipping anchor of prestressing force.
The technical solution adopted by the invention is as follows:
A kind of clipping anchor of prestressing force, including steel strand wires, steel strand wires both ends are fixedly installed anchorage component, institute
Stating anchorage component includes spiral bar, backing plate, the spacing collar that ambulatory splint, strap and steel strand wires are successively arranged, backing plate one
Side is connected with spiral bar, and the backing plate other side is fixedly connected with spacing collar, and ambulatory splint is fixedly connected with strap, ambulatory splint
There is top to bottm to be disposed with several anchor holes, anchor hole includes the first upper limit anchor hole and the second upper limit anchor hole, on strap
It is provided with the first lower limit anchor hole compatible with the first upper limit anchor hole, the second upper limit anchor hole, the second lower limit anchor hole, until
Rare anchorage component is symmetrical above and below to be connected with tensioning component, and tensioning component includes connector, jack and support, it is described at least
There is a strap one end to be provided with connecting hole, connecting hole is fixedly connected by connector with jack, jack fixed setting
On the support.
Present invention further optimization, has been downwardly protrude to form boss in the middle part of the ambulatory splint, in the middle part of strap to
Lower recess is formed with groove compatible with boss, is provided through boss anchor hole in the middle part of boss, steel strand wires sequentially pass through first
Upper limit anchor hole, boss anchor hole and the second upper limit anchor hole.
Present invention further optimization, the boss both ends are fixedly installed tenon shape block, are provided with tenon shape groove on groove,
Tenon shape block and tenon shape groove clearance fit.
The gap of present invention further optimization, the tenon shape block and tenon shape groove is 2cm-4cm.
Present invention further optimization, the ambulatory splint and strap are bolted to connection.
Working principle: the present invention is the prestressing force regulating device of small-sized prestressed girder, is especially suitable for, has born in steel strand wires
Under conditions of certain effect power, by the way that steel strand wires one end is fixed on anchorage component, the steel strand wires other end is secured within and opens
On the anchorage component for drawing component connection, start jack, jack drives strap to be directed away from steel strand wires by connector
Side it is mobile, drive steel strand wires that tensioning occurs by anchorage component and adjust prestressed stress, wherein by mutually blocking
The ambulatory splint and strap connect clamps steel strand wires, is consolidated using high-strength bolt to ambulatory splint and strap
It is fixed, the chucking power of ambulatory splint and strap is adjusted by rotation high-strength bolt, is designed, is made using the structure of boss and groove
It obtains ambulatory splint and strap and is being not likely to produce relative movement by steel strand wires axial tension, improve ambulatory splint and strap
Concatenation ability, reduce anchorage ambulatory splint deforms dislocation by high high forces and under conditions of adjust anchorage chucking power
The phenomenon that.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention realizes the tensioning to steel strand wires by tensile members, and then adjusts the stress of prestressed girder steel strand wires, leads to
Cross ambulatory splint and strap and realize clamping to steel strand wires both ends, using high-strength bolt to ambulatory splint and strap into
Row is fixed, and the chucking power of ambulatory splint and strap is adjusted by rotation high-strength bolt, is set using the structure of boss and groove
Meter, so that ambulatory splint and strap are being not likely to produce relative movement by steel strand wires axial tension, improve ambulatory splint and consolidated
The concatenation ability of clamp plate, compared with prior art, the configuration of the present invention is simple is applicable in special engineering the small-sized pre- of stress
The prestressing force regulating device of stress beam.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of anchorage component of the invention；
Fig. 3 is the diagrammatic cross-section of anchorage component of the invention.
Appended drawing reference: 1- anchor hole, 2- strap, 3- spacing collar, 4- backing plate, 5- spiral bar, 6- steel strand wires, 7- support,
8- jack, 9- ambulatory splint, 10- the first upper limit anchor hole, 11- the first lower limit anchor hole, 12- the second lower limit anchor hole, 13-
Second upper limit anchor hole, 14- boss, 15- groove, 16- tenon shape block, 17- tenon shape groove, 18- boss anchor hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, this
All features disclosed in specification or disclosed all methods or in the process the step of, in addition to mutually exclusive feature and/or
Other than step, it can combine in any way.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
It elaborates below with reference to Fig. 1, Fig. 2 and Fig. 3 to the present invention.
Case study on implementation one: mating due to lacking in the existing practice when for small-size concrete beam and smaller member reinforcing steel bar
The high-strength anchorage of clamping, to stress steel strand anchorage carry out prestressing force adjusting when, cause each member reinforcing steel bar by
There is the phenomenon that centre-of gravity shift, both sides warpage in power, so that prestressing force is not able to satisfy design requirement, is not able to satisfy the bending resistance energy of component
Power and rigidity requirement, i.e. stretch-draw effect are undesirable, even result in engineering disaster if serious.
A kind of clipping anchor of prestressing force, including steel strand wires 6 are provided, 6 both ends of steel strand wires are fixedly installed anchorage
Component, anchorage component include rotation muscle, backing plate 4, the spacing collar 3 that ambulatory splint 9, strap 2 and steel strand wires 6 are successively arranged,
4 side of backing plate is connected with spiral bar 5, and 4 other side of backing plate is fixedly connected with spacing collar 3, and ambulatory splint 9 and strap 2 are fixed
Connection, ambulatory splint 9 have top to bottm to be disposed with several anchor holes 1, and anchor hole 1 includes the first upper limit anchor hole 10 and second upper limit
Position anchor hole 13, is provided with first lower limit compatible with the first upper limit anchor hole 10, the second upper limit anchor hole 13 on strap 2
Position anchor hole 11, the second lower limit anchor hole 12, have been downwardly protrude to form boss 14 in the middle part of ambulatory splint 9, through setting in the middle part of boss 14
It is equipped with boss anchor hole 18, recess is formed with groove 15 compatible with boss 14 downwards at strap 2 middle part, and 14 both ends of boss are equal
It is fixedly installed tenon shape block 16, tenon shape groove 17, tenon shape block 16 and 17 clearance fit of tenon shape groove, tenon shape block 16 are provided on groove 15
It is 2cm-4cm with the gap of tenon shape groove 17, steel strand wires 6 sequentially pass through the first upper limit anchor hole 10, on boss anchor hole 18 and second
Anchor hole 13 is limited, an at least anchorage component is symmetrical above and below to be connected with tensioning component, and tensioning component includes connector, jack 8
With support 7,2 one end of an at least strap is provided with connecting hole, and connecting hole is fixedly connected by connector with jack 8,
Jack 8 is fixed on support 7.
Working principle: the present invention is the prestressing force regulating device of small-sized prestressed girder, is especially suitable for, has held in steel strand wires 6
Under conditions of by certain effect power, by the way that 6 one end of steel strand wires is fixed on anchorage component, 6 other end of steel strand wires is secured within
On the anchorage component connecting with tensioning component, start jack 8, jack 8 drives strap 2 to be directed away from by connector
The side of steel strand wires 6 is mobile, drives steel strand wires 6 that tensioning occurs by anchorage component and adjusts prestressed stress, wherein is logical
It crosses the ambulatory splint 9 being mutually clamped and strap 2 clamps steel strand wires 6, using high-strength bolt to ambulatory splint 9 and admittedly
Clamp plate 2 is fixed, and the chucking power of ambulatory splint 9 and strap 2 is adjusted by rotation high-strength bolt, utilizes 14 He of boss
The structure of groove 15 designs, so that ambulatory splint 9 and strap 2 are being not likely to produce relative movement by 6 axial tension of steel strand wires,
The concatenation ability of ambulatory splint 9 and strap 2 is improved, reduces anchorage in the item by high high forces and adjusting anchorage chucking power
Ambulatory splint 9 deforms the phenomenon that misplacing under part.
It includes existing common technology that mode is fixedly connected with, be fixedly mounted or be fixedly installed described in reality, as bolt fixes, welds
It connects, rivet, in order to play fixed function, have no effect on the effect of present apparatus entirety.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.It more specifically, within the scope of the present disclosure and claims, can be to master
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.In addition to what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also be will be apparent.
Claims (5)
1. a kind of clipping anchor of prestressing force, including steel strand wires (6), which is characterized in that the fixation of steel strand wires (6) both ends is set
It is equipped with anchorage component, the anchorage component includes the spiral shell that ambulatory splint (9), strap (2) and steel strand wires (6) are successively arranged
Muscle (5), backing plate (4), spacing collar (3) are revolved, backing plate (4) side is connected with spiral bar (5), and backing plate (4) other side is fixedly connected with
Spacing collar (3), ambulatory splint (9) are fixedly connected with strap (2), and it is several that ambulatory splint (9) has top to bottm to be disposed with
Anchor hole (1), anchor hole (1) include that the first upper limit anchor hole (10) and the second upper limit anchor hole (13), strap are provided on (2)
With the first upper limit anchor hole (10), the compatible first lower limit anchor hole (11) of the second upper limit anchor hole (13), the second lower limit
Anchor hole (12), at least an anchorage component are symmetrical above and below to be connected with tensioning component, and tensioning component includes connector, jack (8)
With support (7), a described at least strap (2) one end is provided with connecting hole, and connecting hole passes through connector and jack (8)
It is fixedly connected, jack (8) is fixed on support (7).
2. the clipping device of prestressing force according to claim 1, which is characterized in that in the middle part of the ambulatory splint (9) downwards
Protrusion is formed with boss (14), and the downward recess in strap (2) middle part is formed with and boss (14) compatible groove (15), convex
It is provided through boss anchor hole (18) in the middle part of platform (14), steel strand wires (6) sequentially pass through the first upper limit anchor hole (10), boss anchor hole
(18) and the second upper limit anchor hole (13).
3. the clipping device of prestressing force according to claim 2, which is characterized in that boss (14) both ends fixation is set
It is equipped with tenon shape block (16), is provided on groove (15) tenon shape groove (17), tenon shape block (16) and tenon shape groove (17) clearance fit.
4. the clipping device of prestressing force according to claim 3, which is characterized in that the tenon shape block (16) and tenon shape groove
(17) gap is 2cm-4cm.
5. the clipping device of prestressing force according to claim 1, which is characterized in that the ambulatory splint (9) and fixing clamp
Plate (2) is bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624441.1A CN110258931A (en) | 2019-07-11 | 2019-07-11 | A kind of clipping anchor of prestressing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624441.1A CN110258931A (en) | 2019-07-11 | 2019-07-11 | A kind of clipping anchor of prestressing force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258931A true CN110258931A (en) | 2019-09-20 |
Family
ID=67925683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910624441.1A Pending CN110258931A (en) | 2019-07-11 | 2019-07-11 | A kind of clipping anchor of prestressing force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258931A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389176Y (en) * | 1999-09-03 | 2000-07-26 | 柳州欧维姆建筑机械有限公司 | Sealed anchorage cable |
| CN2419298Y (en) * | 2000-05-23 | 2001-02-14 | 胡伟 | Rear installed anchor |
| CN201317998Y (en) * | 2008-12-04 | 2009-09-30 | 北京市建筑工程研究院 | Double-hole split embedded type anchorage device |
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| CN202064523U (en) * | 2011-05-06 | 2011-12-07 | 全恩懋 | Self-steering prestressed sheet clamping and stretching anchorage device |
| CN102587585A (en) * | 2012-02-10 | 2012-07-18 | 全恩懋 | Flat turn regulation pre-tightening type directional clamping anchor |
| CN103075014A (en) * | 2013-02-06 | 2013-05-01 | 全恩懋 | Tensional anchoring system for secondary clamping of prestressed sheets |
| CN203097117U (en) * | 2013-02-06 | 2013-07-31 | 全恩懋 | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet |
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| WO2014146366A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Clamping piece-type anchorage for prestressed tendon |
| CN104141363A (en) * | 2014-06-04 | 2014-11-12 | 兰州铁信土建新技术有限公司 | Rear combined clamping type prestress anchor |
| CN203977709U (en) * | 2014-06-04 | 2014-12-03 | 兰州铁信土建新技术有限公司 | A kind of rear combination grip formula prestressed anchor |
| CN106812256A (en) * | 2015-12-01 | 2017-06-09 | 衡阳市新德力预应力有限公司 | A kind of compound prestress stretching end anchorage |
| CN207392787U (en) * | 2017-09-05 | 2018-05-22 | 河间市宝泽龙金属材料有限公司 | A kind of prestress wire anchor structure |
| CN108843037A (en) * | 2018-06-07 | 2018-11-20 | 桂林理工大学 | A kind of prestressed fiber cloth reinforced girder tensioning anchor and its construction method |
| CN109958232A (en) * | 2019-03-11 | 2019-07-02 | 中国建筑第八工程局有限公司 | Prestressed anchor clamp device and its application method |
| CN210459772U (en) * | 2019-07-11 | 2020-05-05 | 兰州恒驰预应力科技有限公司 | Prestress clamping type anchoring device |
-
2019
- 2019-07-11 CN CN201910624441.1A patent/CN110258931A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389176Y (en) * | 1999-09-03 | 2000-07-26 | 柳州欧维姆建筑机械有限公司 | Sealed anchorage cable |
| CN2419298Y (en) * | 2000-05-23 | 2001-02-14 | 胡伟 | Rear installed anchor |
| CN201317998Y (en) * | 2008-12-04 | 2009-09-30 | 北京市建筑工程研究院 | Double-hole split embedded type anchorage device |
| CN102127950A (en) * | 2011-02-15 | 2011-07-20 | 全恩懋 | Automatic centering tensioning and anchoring device for prestressed sheet clamping anchorage |
| CN202064523U (en) * | 2011-05-06 | 2011-12-07 | 全恩懋 | Self-steering prestressed sheet clamping and stretching anchorage device |
| CN102587585A (en) * | 2012-02-10 | 2012-07-18 | 全恩懋 | Flat turn regulation pre-tightening type directional clamping anchor |
| CN103866919A (en) * | 2012-12-11 | 2014-06-18 | 天津银龙预应力材料股份有限公司 | Steel strand fixing anchor |
| CN203097117U (en) * | 2013-02-06 | 2013-07-31 | 全恩懋 | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet |
| CN103075014A (en) * | 2013-02-06 | 2013-05-01 | 全恩懋 | Tensional anchoring system for secondary clamping of prestressed sheets |
| WO2014146366A1 (en) * | 2013-03-19 | 2014-09-25 | 苏州市能工基础工程有限责任公司 | Clamping piece-type anchorage for prestressed tendon |
| CN203834478U (en) * | 2014-04-04 | 2014-09-17 | 山东正元建设工程有限责任公司 | Active clamping piece type pinching, tensioning and locking device for pre-stressed anchor cable |
| CN104141363A (en) * | 2014-06-04 | 2014-11-12 | 兰州铁信土建新技术有限公司 | Rear combined clamping type prestress anchor |
| CN203977709U (en) * | 2014-06-04 | 2014-12-03 | 兰州铁信土建新技术有限公司 | A kind of rear combination grip formula prestressed anchor |
| CN106812256A (en) * | 2015-12-01 | 2017-06-09 | 衡阳市新德力预应力有限公司 | A kind of compound prestress stretching end anchorage |
| CN207392787U (en) * | 2017-09-05 | 2018-05-22 | 河间市宝泽龙金属材料有限公司 | A kind of prestress wire anchor structure |
| CN108843037A (en) * | 2018-06-07 | 2018-11-20 | 桂林理工大学 | A kind of prestressed fiber cloth reinforced girder tensioning anchor and its construction method |
| CN109958232A (en) * | 2019-03-11 | 2019-07-02 | 中国建筑第八工程局有限公司 | Prestressed anchor clamp device and its application method |
| CN210459772U (en) * | 2019-07-11 | 2020-05-05 | 兰州恒驰预应力科技有限公司 | Prestress clamping type anchoring device |
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