CN106245849A - A kind of anchor and steel strand prestress tensioning system automatically - Google Patents
A kind of anchor and steel strand prestress tensioning system automatically Download PDFInfo
- Publication number
- CN106245849A CN106245849A CN201610785247.8A CN201610785247A CN106245849A CN 106245849 A CN106245849 A CN 106245849A CN 201610785247 A CN201610785247 A CN 201610785247A CN 106245849 A CN106245849 A CN 106245849A
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- Prior art keywords
- anchor
- assembly
- hole
- move back
- clamping piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000004873 anchoring Methods 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims description 27
- 239000000446 fuel Substances 0.000 claims description 16
- 239000007937 lozenge Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009527 percussion Methods 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of anchor and steel strand prestress tensioning system automatically, automatically anchor includes backplate assembly, moveable anchor assembly, moves back anchor slab assembly and multiple anchoring assembly, moveable anchor assembly one end is connected with backplate assembly, the other end is flexibly connected with moving back anchor slab assembly, and backplate assembly, moveable anchor assembly and move back and be respectively equipped with multiple fender eye, taper anchor hole on anchor slab assembly and move back anchor hole；Each anchoring assembly all includes spring, tool clamping piece and moves back anchor set；Steel strand prestress tensioning system includes automatic anchor and matched centre-hole jack and clamping sleeve.The present invention is by arranging taper anchor hole on moveable anchor assembly, and the tool clamping piece matched with taper anchor hole is set, and be clamped on steel strand wires by Spring driving tool clamping piece, and by moving back anchor set, the tool clamping piece being clamped in taper anchor hole can be squeezed out taper anchor hole, it is achieved automatically it is anchored in steel strand wires can be by moving back anchor on steel strand wires.
Description
Technical field
The present invention relates to tension force stretching technology, especially relate to a kind of anchor automatically and steel strand prestress stretch-draw system
System.
Background technology
Moveable anchor, the tool-class anchor in prestressed stretch-draw, is that one can make during prestressed stretch-draw repeatedly
Instrument, its can with tool clamping piece with the use of and reach anchor purpose.Traditional moveable anchor and tool clamping piece are in installation
Before be separate, when needs carry out prestressed stretch-draw, carry out entirety installation, the instrument in stretching process, on moveable anchor
After intermediate plate clamping steel hinge line carries out stretch-draw, up to design stress and stretch value, stretch-draw jack resets, tool clamping piece, work anchor
Automatically anchoring, completes stretching process.When reality is applied, moveable anchor and tool clamping piece are required to by manually installed, on the one hand
Installation effectiveness and safety are low, are unfavorable for improving stretch-draw efficiency, on the other hand manually cannot ensure that tool clamping piece is installed and be tightened in advance
Position, being easily caused stretch-draw quality cannot ensure, and, in stretching process, it is easily caused between tool clamping piece and instrument anchor slab and kills, then
Needing artificial percussion to move back anchor, its difficulty is big, danger coefficient is high.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, propose a kind of anchor and steel strand prestress automatically and open
Pull system, solves manually installed moveable anchor and tool clamping piece in prior art and causes stretch-draw inefficiency, stretch-draw quality to protect
Card and the low technical problem of safety.
For reaching above-mentioned technical purpose, technical scheme provides a kind of anchor automatically, including backplate assembly,
Moveable anchor assembly, moving back anchor slab assembly and multiple anchoring assembly, described moveable anchor assembly one end is connected with described backplate assembly, another
End is connected with the described anchor slab assembly that moves back, and described backplate assembly, moveable anchor assembly and moving back is respectively arranged with one by one on anchor slab assembly
Corresponding through multiple fender eyes, taper anchor hole and move back anchor hole；Each described anchoring assembly all includes spring, tool clamping piece and moves back
Anchor set, described spring is built in described fender eye and is connected on described fender eye inwall away from described moveable anchor assembly one end,
Described tool clamping piece coordinate be built in described taper anchor hole and the bigger end of its external diameter extend to described fender eye in and be connected to institute
State spring one end end face, described in move back anchor overlap one end be embedded in described in move back anchor hole, the other end extends in described taper anchor hole and supports
It is connected to the end face of the external diameter small end of described tool clamping piece；Wherein, anchor slab assembly is moved back described in described moveable anchor assembly activity even
Connect and move back anchor set described in can driving and axially make back and forth movement along described taper anchor hole.
Preferably, described fender eye is shoulder hole, and described spring is built in the bigger end in aperture and the one of described shoulder hole
On the terrace that end is formed in being connected to described shoulder hole.
Preferably, described anchoring assembly also includes that a sleeve, described sleeve include a sleeve body and by body one in sleeve
Holding the first flange formed that extends radially outwardly, described spring opposite tool intermediate plate one end is sheathed on described sleeve body and abuts
In described first flange, described tool clamping piece is connected to the end face of the most described first flange one end of described sleeve body.
Preferably, described sleeve body is set to the lozenges that external diameter is gradually reduced, institute relative to first flange one end end face
State tool clamping piece the most described sleeve one end end face to be set to match with described lozenges.
Preferably, described lozenges is an outer convex arc surface, and described tool clamping piece the most described sleeve one end end face is arranged
For the interior concaved circular cambered surface matched with described outer convex arc surface.
Preferably, move back anchor set described in and include moving back anchor set body and by moving back the formed that extend radially outwardly in the middle part of anchor set body
Two flanges, described second flange outside diameter more than described taper anchor hole relatively described in move back anchor and overlap the internal diameter of one end.
Preferably, the external diameter of described first flange agrees with mutually with described fender eye internal diameter.
Preferably, described in move back anchor slab assembly and be connected with described moveable anchor assembly by least two stroke bolt, Mei Gesuo
State the stroke bolt axis parallel all with described taper anchor hole to arrange.
Meanwhile, the present invention also provides for a kind of steel strand prestress tensioning system, including:
Centre-hole jack, described centre-hole jack includes that overcoat, the punching set being built in described overcoat and one end are joined
Closing the piston being arranged between described overcoat and punching set, described outer putting arranges the first fuel feed hole and the second fuel feed hole, described
The oil-feed respectively of first fuel feed hole and the second fuel feed hole with drive described piston free end away from near described punching set；
Automatically anchor, described automatic anchor is built in described punching set, and its moveable anchor assembly is connected to institute
State punching set inward flange, described in move back anchor slab assembly through described punching set inward flange and be connected to described piston free end
Inward flange, and described in move back anchor slab assembly be flexibly connected with described moveable anchor assembly enable described piston drive described in move back anchor set edge
Described taper anchor hole axially makees back and forth movement；And
Being built in the clamping sleeve of described punching set, described clamping sleeve one end is fixed on that described punching puts, the other end pushes against
Backplate assembly in described automatic anchor.
Compared with prior art, the present invention is by arranging taper anchor hole on moveable anchor assembly, and arranges and taper anchor hole
The tool clamping piece matched, and be clamped on steel strand wires by Spring driving tool clamping piece, and will be able to be clamped in by moving back anchor set
Tool clamping piece in taper anchor hole squeezes out taper anchor hole, it is achieved be automatically anchored in steel strand wires can be by moving back anchor on steel strand wires.
Accompanying drawing explanation
Fig. 1 is the tension force stretching schematic diagram of the steel strand prestress tensioning system of the present invention；
Fig. 2 is the perspective cut away view of the automatic anchor of the present invention；
Fig. 3 is the cross section view of the automatic anchor of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1～3, the steel strand prestress tensioning system that embodiments of the invention provide includes centre-hole jack
1, automatic anchor 2, clamping sleeve 3, wherein:
As it is shown in figure 1, the present embodiment centre-hole jack 1 is conventional centre-hole jack 1, it specifically includes overcoat
11, the punching set 12 and the one end fits that are built in described overcoat 11 are arranged at the piston between described overcoat 11 and punching set 12
13, described overcoat 11 arranges the first fuel feed hole 111 and the second fuel feed hole 112, described first fuel feed hole 111 and the second fuel feed hole
112 difference oil-feeds are to drive described piston 13 free end to overlap 12 away from near described punching.Due to above-mentioned centre-hole jack 1
The conventional jack bought for market, therefore at this, its structure is not described in detail.
Automatically anchor 2 is built in described punching set 12 and its one end is connected to described punching and overlaps the inward flange of 12, its
Another end is compressed by clamping sleeve 3.Wherein, in actual stretching process, in addition it is also necessary to limiting plate 4, work anchor 5, work clip sheet 6 are set
With the mating reaction of automatic anchor 2, it coordinates for existing usual manner.
The automatic anchor 2 of the present embodiment can use routine moveable anchor and tool clamping piece combination, but moveable anchor with
The mating reaction of tool clamping piece still needs manual operation, and its operation easier is big.As shown in Figure 1, Figure 2, Figure 3 shows, thus the present embodiment
Arranging a kind of automatic anchor 2 that can automatically anchor and move back anchor, it includes backplate assembly 21, moveable anchor assembly 22, moves back anchor slab
Assembly 23 and multiple anchoring assembly 24, described moveable anchor assembly 22 one end is connected with described backplate assembly 21, the other end is with described
Move back anchor slab assembly 23 to connect, and described backplate assembly 21, moveable anchor assembly 22 and moving back is respectively arranged with one by one on anchor slab assembly 23
Corresponding through multiple fender eyes 211, taper anchor hole 221 and move back anchor hole 231；Each described anchoring assembly 24 all includes spring
241, tool clamping piece 242 and move back anchor set 243, described spring 241 is built in described fender eye 211 and away from described moveable anchor assembly
22 one end are connected on described fender eye 211 inwall, described tool clamping piece 242 coordinate be built in described taper anchor hole 221 and its
In the bigger end of external diameter extends to described fender eye 211 and be connected to described spring 241 one end end face, described in move back anchor and overlap 243 one end
Move back anchor hole 231 described in being embedded in, the other end extend to described taper anchor hole 221 in and be connected to outside described tool clamping piece 242
The end face of footpath small end；Wherein, described clamping sleeve 3 is connected to described backplate assembly 21 away from moveable anchor assembly 22 side, described
Moveable anchor assembly 22 is connected to the inward flange of described punching set 12, described in move back anchor slab assembly 23 convex through described punching set 12
Edge is also connected to the inward flange of described piston 13 free end, and described in move back anchor slab assembly 23 movable with described moveable anchor assembly 22 even
Connect make described piston 13 can drive described in move back anchor set and 243 axially make back and forth movement along described taper anchor hole 221.
During installation, automatic anchor 2 is built in punching set 12, and it is described to make described moveable anchor assembly 22 be connected to
The inward flange of punching set 12, described in move back anchor slab assembly 23 through the inward flange of described punching set 12 and be connected to described piston 13 from
By the inward flange held, clamping sleeve 3 then pushes against in backplate assembly 21.
As shown in Figure 1, Figure 2, Figure 3 shows, its concrete stretch-draw flow process is as follows, the steel strand wires 7 first will worn in advance in beams of concrete
Upper prepackage work anchor 5 plate and tool clamping piece 242, then by the automatic built-in centre-hole jack of anchor 21, due to this enforcement
Under example automatic anchor 2 conventional sense under the elastic acting force of spring 241, tool clamping piece 242 is less to the internal diameter of anchor hole
End motion, and then promote and move back anchor set 243 drive and move back anchor slab assembly 23 away from moveable anchor assembly 22, at tool clamping piece 242 near anchor
During the aperture small end in hole, tool clamping piece 242 is in contraction state, and it is unfavorable for that steel strand wires 7 pass, for the ease of steel strand wires 7
Through automatic anchor 2, the present embodiment the second fuel feed hole 112 oil-feed by centre-hole jack 1, make centre-hole jack
The piston 13 of 1 near and extrude and move back anchor slab assembly 23, move back anchor slab assembly 23 and drive and move back anchor and overlap 243 and move to backplate assembly 21, work
Tool intermediate plate 242 moves along taper anchor hole 221 to spring 241, and spring 241 compresses, owing to tool clamping piece 242 is to taper anchor hole 221
The bigger end motion in aperture, tool clamping piece 242 is in relaxed state and tool clamping piece 242 internal diameter is relatively large；Then pre-install spacing
Plate 4, by the steel strand wires 7 through the tool clamping piece 242 in work anchor 5 plate and limiting plate 4 through anchor 2 the most automatically, tool
Body is for by moving back anchor hole 231 through moving back anchor set 243, tool clamping piece 242, spring 241 and being passed by fender eye 211, and punching is very heavy
Push up 1 free end and be connected to limiting plate 4；Then the first fuel feed hole 111 oil-feed, piston 13 free end is relatively distant from and moves back anchor slab assembly
23, and under the active force of spring 241, tool clamping piece 242 is gradually reduced and then by steel to anchor hole aperture small end motion internal diameter
Twisted wire 7 clamps, and along with being continuously added of the first fuel feed hole 111 pressure oil, the steel strand wires 7 after clamping are carried out by tool clamping piece 242
Tension force stretching, after tension force reaches requirement, can the second fuel feed hole 112 oil-feed, make centre-hole jack 1 near moving back anchor slab assembly 23
One end extrudes again moves back anchor slab assembly 23, so by move back anchor set 243 tool clamping piece 242 that is clamped on steel strand wires 7 of driving to
The bigger end motion in taper anchor hole 221 aperture so that it is internal diameter becomes big and departs from from steel strand wires 7, finally dismounts.The present embodiment
Anchoring assembly 24 is multiple, multiple steel strand wires 7 can be carried out tension force stretching simultaneously, and it is conducive to improving tension force stretching efficiency, and
And the automatic anchor of the present embodiment 2 is simple, easy to use with centre-hole jack 1 compounding practice, efficiency is high.
Fixing for the ease of spring 241, fender eye 211 is set to shoulder hole by the present embodiment, and described spring 241 is built-in
On the terrace formed in the bigger end in the aperture of described shoulder hole and its one end are connected to described shoulder hole, thus beneficially spring
The steel strand wires 7 when also avoiding tension force stretching of fixing of 241 contact with spring 241, and it is conducive to avoiding spring 241 to be ground by steel strand wires 7
Damage, and then extend the service life of spring 241.
Further, described anchoring assembly 24 also includes that a sleeve 244, described sleeve 244 include sleeve body 244a
And the first flange 244b formed that extended radially outwardly by body one end in sleeve 244, described spring 241 opposite tool intermediate plate 242
One end is sheathed on described sleeve body 244a and is connected to described first flange 244b, and described tool clamping piece 242 is connected to described
The end face of the most described first flange 244b one end of sleeve body 244a, arranging the steel through spring 241 by sleeve 244
Twisted wire 7 is isolated with spring 241, and owing to spring 241 elastic force axially releases along fender eye 211, also allows for tool clamping piece simultaneously
242 directly abut with sleeve 244, and it is conducive to carrying out radial motion during tool clamping piece 242 axially-movable simultaneously.
In order to preferably carry out radial motion when ensureing tool clamping piece 242 axially-movable, sleeve body described in the present embodiment
244a is set to the lozenges that external diameter is gradually reduced, the described relative institute of tool clamping piece 242 relative to first flange 244b one end end face
State sleeve 244 one end end face to be set to match with described lozenges, so that tool clamping piece 242 is axial near sleeve 244
During motion, lozenges produces the tension force making tool clamping piece 242 internal diameter be gradually increased simultaneously, in order to tool clamping piece 242 twists from steel
Back off on line 7, simultaneously when tool clamping piece 242 is made to move away from sleeve 244, lozenges can reduce in tool clamping piece 242 strength by
Tapered little resistance, it is ensured that tool clamping piece 242 can preferably be clamped on steel strand wires 7.
Concrete, lozenges described in the present embodiment is an outer convex arc surface, the described the most described sleeve of tool clamping piece 242
244 one end end faces are set to the interior concaved circular cambered surface matched with described outer convex arc surface, thus further improve tool clamping piece
The effect of radial motion during 242 axially-movable.
During moving back anchor, move back anchor and overlap 243 acrokinesias by tool clamping piece 242 extrusion damage, the present embodiment institute
State and move back anchor set 243 and include moving back anchor set body 243a and by moving back the second flange formed that extends radially outwardly in the middle part of anchor set body 243a
243b, described second flange 243b external diameter more than described taper anchor hole 221 relatively described in move back anchor and overlap the internal diameter of 243 one end so that
Move back the second flange 243b when anchor set 243 motion axially moves to taper anchor hole 221 setpoint distance and be then connected to moveable anchor assembly 22
On, thus avoid it to continue axially-movable.
Meanwhile, move back anchor set 243 described in the present embodiment to be connected for threaded engagement with the described anchor hole 231 that moves back, in order to it is fixed
And change.
Wherein, in order to ensure that sleeve 244 makees axially-movable, the external diameter of described first flange 244b and institute along fender eye 211
State fender eye 211 internal diameter to agree with mutually, thus ensure that the elastic force that spring 241 produces is axial along fender eye 211, it is to avoid unbalance stress is led
Cause spring 241 damage probability to increase.
Concrete, move back anchor slab assembly 23 described in the present embodiment by least two stroke bolt 25 and described moveable anchor assembly
22 connect, and stroke bolt 25 can be axially arranged along taper anchor hole 221, so that move back anchor slab assembly 23 all the time along taper anchor hole
221 axially make back and forth movement, and can control to move back the movement travel of anchor slab assembly 23 by stroke bolt 25, it is to avoid its row that moves
Journey is excessive or too small and causes the damage of each parts.
Described in the present embodiment, tool clamping piece 242 is preferably arranged to three-chip type tool clamping piece, and it presss from both sides for this area conventional tool
Sheet, therefore not to repeat here.
Compared with prior art, the present invention is by arranging taper anchor hole on moveable anchor assembly, and arranges and taper anchor hole
The tool clamping piece matched, and be clamped on steel strand wires by Spring driving tool clamping piece, and will be able to be clamped in by moving back anchor set
Tool clamping piece in taper anchor hole squeezes out taper anchor hole, it is achieved be automatically anchored in steel strand wires can be by moving back anchor on steel strand wires.
The detailed description of the invention of present invention described above, is not intended that limiting the scope of the present invention.Any basis
Various other that the technology design of the present invention is made change and deformation accordingly, should be included in the guarantor of the claims in the present invention
In the range of protecting.
Claims (9)
1. an automatic anchor, it is characterised in that include backplate assembly, moveable anchor assembly, move back anchor slab assembly and multiple anchor
Gu assembly, described moveable anchor assembly one end is connected with described backplate assembly, the other end is connected with the described anchor slab assembly that moves back, and described
Backplate assembly, moveable anchor assembly and move back and on anchor slab assembly, be respectively arranged with the through multiple fender eyes of one_to_one corresponding, taper anchor hole
With move back anchor hole；Each described anchoring assembly all includes spring, tool clamping piece and moves back anchor set, and described spring is built in described fender eye
And be connected on described fender eye inwall away from described moveable anchor assembly one end, the cooperation of described tool clamping piece is built in described taper
Anchor hole and the bigger end of its external diameter extend in described fender eye and are connected to described spring one end end face, described in move back anchor and overlap in one end
Move back anchor hole described in being embedded in, the other end extends in described taper anchor hole and is connected to the end of external diameter small end of described tool clamping piece
Face；Wherein, move back described in anchor slab assembly be flexibly connected with described moveable anchor assembly and can drive described in move back anchor set along described taper
Anchor hole axially makees back and forth movement.
Automatic anchor the most according to claim 1, it is characterised in that described fender eye is shoulder hole, described spring
The bigger end in aperture and its one end of being built in described shoulder hole are connected on the interior terrace formed of described shoulder hole.
Automatic anchor the most according to claim 2, it is characterised in that described anchoring assembly also includes a sleeve, institute
Stating sleeve include a sleeve body and extended radially outwardly the first flange formed by body one end in sleeve, described spring is relative to work
Tool intermediate plate one end is sheathed on described sleeve body and is connected to described first flange, and described tool clamping piece is connected to described sleeve originally
The end face of the most described first flange one end of body.
4. according to the automatic anchor described in Claims 2 or 3, it is characterised in that described sleeve body is relative to the first flange
One end end face is set to the lozenges that external diameter is gradually reduced, and described tool clamping piece the most described sleeve one end end face is set to and institute
State lozenges to match.
Automatic anchor the most according to claim 4, it is characterised in that described lozenges is an outer convex arc surface, institute
State the interior concaved circular cambered surface that tool clamping piece the most described sleeve one end end face is set to match with described outer convex arc surface.
Automatic anchor the most according to claim 5, it is characterised in that described in move back anchor set include moving back anchor set body and by
Moving back the second flange formed that extends radially outwardly in the middle part of anchor set body, described second flange outside diameter is relative more than described taper anchor hole
The described anchor that moves back overlaps the internal diameter of one end.
Automatic anchor the most according to claim 3, it is characterised in that the external diameter of described first flange and described backplate
Hole internal diameter agrees with mutually.
Automatic anchor the most according to claim 1, it is characterised in that described in move back anchor slab assembly by least two row
Journey bolt is connected with described moveable anchor assembly, and each described stroke bolt is all arranged with the axis parallel of described taper anchor hole.
9. a steel strand prestress tensioning system, it is characterised in that including:
Centre-hole jack, described centre-hole jack includes that overcoat, the punching set being built in described overcoat and one end fits set
Being placed in the piston between described overcoat and punching set, described outer putting arranges the first fuel feed hole and the second fuel feed hole, and described first
The oil-feed respectively of fuel feed hole and the second fuel feed hole with drive described piston free end away from near described punching set；
The arbitrary described automatic anchor of claim 1～8, described automatic anchor is built in described punching set, and its
Moveable anchor assembly be connected to described punching set inward flange, described in move back anchor slab assembly through described punching set inward flange and abut
In the inward flange of described piston free end, and described in move back anchor slab assembly and be flexibly connected with described moveable anchor assembly and make described piston energy
Move back anchor set described in enough drivings and axially make back and forth movement along described taper anchor hole；And
Being built in the clamping sleeve of described punching set, described clamping sleeve one end is fixed on that described punching puts, the other end pushes against in institute
State the backplate assembly of automatic anchor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785247.8A CN106245849B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic anchor and steel strand prestress tensioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785247.8A CN106245849B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic anchor and steel strand prestress tensioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106245849A true CN106245849A (en) | 2016-12-21 |
| CN106245849B CN106245849B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785247.8A Active CN106245849B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic anchor and steel strand prestress tensioning system |
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| CN (1) | CN106245849B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744462A (en) * | 2017-01-09 | 2017-05-31 | 苏州市能工基础工程有限责任公司 | For the jack of drawing steel stranded wire |
| CN108360388A (en) * | 2018-04-11 | 2018-08-03 | 江苏法尔胜缆索有限公司 | A kind of steel strand wires pre-tighten tensioning equipment and technique |
| CN110761563A (en) * | 2019-10-22 | 2020-02-07 | 江苏科技大学 | Steel strand prestress applying device and method and prestress steel structure stair |
| CN113445427A (en) * | 2021-07-08 | 2021-09-28 | 北京工业大学 | Prestressed steel strand temporary stay cable integral anchor unloading device and construction process thereof |
| CN113512950A (en) * | 2021-05-13 | 2021-10-19 | 开封强力集团锚固技术股份有限公司 | Hydraulic clamping device for adjusting tension degree of steel strand and using method thereof |
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| CN110761563A (en) * | 2019-10-22 | 2020-02-07 | 江苏科技大学 | Steel strand prestress applying device and method and prestress steel structure stair |
| CN113512950A (en) * | 2021-05-13 | 2021-10-19 | 开封强力集团锚固技术股份有限公司 | Hydraulic clamping device for adjusting tension degree of steel strand and using method thereof |
| CN113445427A (en) * | 2021-07-08 | 2021-09-28 | 北京工业大学 | Prestressed steel strand temporary stay cable integral anchor unloading device and construction process thereof |
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| CN106245849B (en) | 2019-01-22 |
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