CN203174890U - Pre-stressed tendon single pole multi-thread connector for batch production - Google Patents
Pre-stressed tendon single pole multi-thread connector for batch production Download PDFInfo
- Publication number
- CN203174890U CN203174890U CN 201320125816 CN201320125816U CN203174890U CN 203174890 U CN203174890 U CN 203174890U CN 201320125816 CN201320125816 CN 201320125816 CN 201320125816 U CN201320125816 U CN 201320125816U CN 203174890 U CN203174890 U CN 203174890U
- Authority
- CN
- China
- Prior art keywords
- hole
- anchor ring
- steel
- fining twisted
- single pole
- 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 - Fee Related
Links
Images
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model discloses a pre-stressed tendon single pole multi-thread connector for batch production. The connector comprises an anchor ring (5), the middle of the anchor ring (5) is provided with a first through hole (51) through which a finishing deformed bar (1) is capable of passing, the anchor ring (51) can be fixedly connected with the finishing deformed bar (1), a plurality of second through holes, through which steel strands (7) are capable of passing, are uniformly distributed around the first through hole (51) and can be fixedly connected with the steel strands (7), and the axle of the first through hole (51) is parallel to that of the second through hole (52). According to the pre-stressed tendon single pole multi-thread connector for batch production, one finishing deformed bar can be connected with a plurality of steel strands simultaneously, so that pre-buried pre-stressed deformed bars and connectors are greatly reduced, and the material waste caused by the low utilization rate of the strength of the finishing deformed bar is avoided.
Description
Technical field
The utility model relates to technical field of bridge construction, a kind of especially being used in bridge construction the presstressed reinforcing steel single pole multi-thread connector of a fining twisted steel with the batch process of following steel strand to be connected more.
Background technology
In " highway bridge and culvert construction technique normalizing " JTG/T F50-2051 5.4.3, the construction camber should be considered following factors: template, support bear the elastic deformation that working load causes; Extruding and lowering device owing to the rod member joint behind the stand under load compress the nonelastic deformation that produces; The sedimentation and deformation of support ground behind stand under load.Thereby in bridge construction, the temporary structure pre-pressing bracket is absolutely necessary, the precompressed construction has two kinds of methods usually: accumulation load method, counter-force method, can learn that according to long-term construction experience the sand pocket accumulation load method contains unfavorable factors such as complicated operation, engineering time length.The counter-force rule relies on prestress wire to cooperate jack to apply the mode of counter-force in substructure, as pre-buried finish rolling screw thread in the cushion cap, adopt connector that steel strand are connected with the pre-buried smart screw-thread steel of pricking in the cushion cap, and spreading to cradle top surface and jack carried out stretch-draw, rely on ground tackle to apply counter-force reaching the purpose of precompressed to section steel beam, thereby have advantage such as easy and simple to handle, weak point consuming time.
Prior art as shown in Figure 1, a fining twisted steel 85 is connected by a connector 81 one to one with steel strand 86, connector 81 comprises intermediate plate 82, connector 83 and connecting rod 84.Steel strand kind commonly used is ∮ 15.2 tensile strength 1860MPa, section area 140mm
2, be mainly used in bridge member and apply prestressing force.That fining twisted steel is comparatively commonly used is PSB830, yield strength 830MPa, and tensile strength is 1030MPa, and diameter is 25mm or 32mm, and section area is 490mm
2, or 804mm
2If adopt man-to-man line bar to connect, then when steel strand tension arrived tensile strength, fining twisted steel intensity had only reached 49% of its tensile strength.Consider situations such as steel strand tension process safe and fracture of wire stripped thread simultaneously, the general tensile strength of controlling at 0.73 times of actual tension stress, this has just further caused the rate of utilization of strength of fining twisted steel lower.
So the available technology adopting fining twisted steel with the shortcoming that steel strand are connected one to one is: 1, pre-buried smart bundle indented bars is many, waste material; 2, poor because of the strength of materials and section area, underuse fining twisted steel intensity; 3, finish rolling deformed bar length limited, part pier stud height has exceeded joint length, needs to increase sleeve and connects.
The utility model content
For solve prior art connect one to one in the smart screw-thread steel of pricking do not give full play to its intensity and the technical problem of waste material, it is a kind of for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole that the utility model provides, the multi-thread connector of presstressed reinforcing steel single pole that adopts this to be used to produce in batches, only need pre-buried single fining twisted steel, and reliably be connected with many steel strand, not only take full advantage of material, be convenient to constructing operation, improved efficient.
The utility model for the technical scheme that solves its technical problem employing is: a kind of for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, comprise anchor ring, the centre of anchor ring is provided with first through hole that passes for fining twisted steel, anchor ring can be fixedlyed connected with fining twisted steel, be evenly distributed with a plurality of second through holes that pass for steel strand around first through hole, second through hole can be fixedlyed connected with steel strand, and the axis of first through hole is parallel with the axis of second through hole.
One side of anchor ring is provided with the fining twisted steel nut, the fining twisted steel nut can be fixedly sleeved outside fining twisted steel, the diameter of first through hole is more than or equal to the internal diameter of fining twisted steel nut, and the diameter of first through hole is less than the circumscribed circle diameter of fining twisted steel nut.
The circumradius of fining twisted steel nut is less than the distance between the axis of the axis of first through hole and second through hole.
Second through hole is taper, and the top of described taper is towards a side of described anchor ring, is provided with in second through hole for the fixing intermediate plate of steel strand.
The opposite side of anchor ring is provided with pressing plate, pressing plate is provided with the third through-hole that passes for fining twisted steel and is used for the fourth hole that steel strand pass, the position of third through-hole is corresponding with the position of first through hole, the position of fourth hole is corresponding with the position of second through hole, anchor ring and pressing plate are bolted to connection, pressing plate and intermediate plate butt.
Anchor ring and pressing plate are circle, the diameter of anchor ring and the equal diameters of pressing plate, and the thickness of pressing plate is less than the thickness of anchor ring.
The beneficial effects of the utility model are: significantly reduced pre-buried prestressed reinforcement and common connector quantity, guaranteed effective connection of prestressed reinforcement, avoided owing to the low waste material that causes of prestressed reinforcement rate of utilization of strength; This connector can also significantly be saved the execute-in-place time, raises the efficiency.
Description of drawings
Be described in further detail for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole described in the utility model below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of existing connector.
Fig. 2 is the use view for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole described in the utility model.
Wherein 1. fining twisted steels, 2. bolt, 3. pressing plate, 31. third through-hole, 32. fourth holes, 4. intermediate plate, 5. anchor ring, 51. first through holes, 52. second through holes, 6. fining twisted steel nut, 7. steel strand, 81. connectors, 82. intermediate plate, 83. connectors, 84. connecting rods, 85. fining twisted steel, 86. steel strand.
The specific embodiment
Be elaborated for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole to described in the utility model below in conjunction with accompanying drawing.A kind of for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, comprise anchor ring 5, the centre of anchor ring 5 is provided with first through hole 51 that passes for fining twisted steel 1, anchor ring 5 can be fixedlyed connected with fining twisted steel 1, be evenly distributed with a plurality of second through holes 52 that pass for steel strand 7 around first through hole 51, second through hole 52 can be fixedlyed connected with steel strand 7, the axis of first through hole 51 is parallel with the axis of second through hole 52, the axis of each second through hole 52 is equal to the distance of the axis of first through hole 51, as shown in Figure 2.
Be connected one to one with steel strand 86 with fining twisted steel 85 in the prior art shown in Figure 1 and compare, utilize this multi-thread connector of presstressed reinforcing steel single pole that is used to produce in batches that a fining twisted steel 1 is connected with many steel strand 7 simultaneously, significantly reduced pre-buried prestressing force fining twisted steel and connector quantity, avoided owing to the low waste material that causes of fining twisted steel rate of utilization of strength; The multi-thread connector of presstressed reinforcing steel single pole that should be used for producing in batches can also significantly be saved the execute-in-place time, raises the efficiency.
One side of anchor ring 5 is provided with fining twisted steel nut 6, fining twisted steel nut 6 can be fixedly sleeved outside fining twisted steel 1, the diameter of first through hole 51 is more than or equal to the internal diameter of fining twisted steel nut 6, and the diameter of first through hole 51 is less than the circumscribed circle diameter of fining twisted steel nut 6.Screw roll screw-thread steel nut 6 after, rolling screw-thread steel nut 6 can contact anchor ring 5, so not only can make steel strand 7 and fining twisted steel 1 relative fixed, can also regulate the suffered pulling force of steel strand 7 and fining twisted steel 1, in addition, the circumradius of fining twisted steel nut 6 is less than the distance between the axis of the axis of first through hole 51 and second through hole 52.
Second through hole 52 is taper, and the top of described taper is towards a side of described anchor ring, is provided with in second through hole 52 for the fixing intermediate plate 4 of steel strand 7.Intermediate plate 4 can make steel strand 7 better fix with anchor ring 5 after being subjected to pulling force.
The opposite side of anchor ring 5 is provided with pressing plate 3, pressing plate 3 is provided with the third through-hole 31 that passes for fining twisted steel 1 and is used for the fourth hole 32 that steel strand 7 pass, the position of third through-hole 31 is corresponding with the position of first through hole 51, the position of fourth hole 32 is corresponding with the position of second through hole 52, anchor ring 5 is fixedlyed connected by bolt 2 with pressing plate 3, pressing plate 3 and intermediate plate 4 butts.Pressing plate 3 can tingle 4, the equal diameters of the diameter of third through-hole 31 and first through hole 51, the equal diameters of the diameter of fourth hole 32 and second through hole 52.
Anchor ring 5 and pressing plate 3 are circle, the equal diameters of the diameter of anchor ring 5 and pressing plate 3, and the thickness of pressing plate 3 is less than the thickness of anchor ring 5.
The above; only be specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.
Claims (6)
1. multi-thread connector of be used for producing in batches of presstressed reinforcing steel single pole, it is characterized in that, the described multi-thread connector of presstressed reinforcing steel single pole for batch process comprises anchor ring (5), the centre of anchor ring (5) is provided with first through hole (51) that passes for fining twisted steel (1), anchor ring (5) can be fixedlyed connected with fining twisted steel (1), first through hole (51) is evenly distributed with a plurality of second through holes (52) that pass for steel strand (7) on every side, second through hole (52) can be fixedlyed connected with steel strand (7), and the axis of first through hole (51) is parallel with the axis of second through hole (52).
2. according to claim 1 for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, it is characterized in that: a side of anchor ring (5) is provided with fining twisted steel nut (6), fining twisted steel nut (6) can be fixedly sleeved outside fining twisted steel (1), the diameter of first through hole (51) is more than or equal to the internal diameter of fining twisted steel nut (6), and the diameter of first through hole (51) is less than the circumscribed circle diameter of fining twisted steel nut (6).
3. according to claim 2 for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, it is characterized in that: the circumradius of fining twisted steel nut (6) is less than the distance between the axis of the axis of first through hole (51) and second through hole (52).
4. according to claim 2 for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, it is characterized in that: second through hole (52) is taper, the top of described taper is towards a side of described anchor ring, is provided with in second through hole (52) for the fixing intermediate plate (4) of steel strand (7).
5. according to claim 4 for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, it is characterized in that: the opposite side of anchor ring (5) is provided with pressing plate (3), pressing plate (3) is provided with the third through-hole (31) that passes for fining twisted steel (1) and is used for the fourth hole (32) that steel strand (7) pass, the position of third through-hole (31) is corresponding with the position of first through hole (51), the position of fourth hole (32) is corresponding with the position of second through hole (52), anchor ring (5) is fixedlyed connected by bolt (2) with pressing plate (3), pressing plate (3) and intermediate plate (4) butt.
6. according to claim 1 for the multi-thread connector of producing in batches of presstressed reinforcing steel single pole, it is characterized in that: anchor ring (5) and pressing plate (3) are circle, the equal diameters of the diameter of anchor ring (5) and pressing plate (3), the thickness of pressing plate (3) is less than the thickness of anchor ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125816 CN203174890U (en) | 2013-03-19 | 2013-03-19 | Pre-stressed tendon single pole multi-thread connector for batch production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125816 CN203174890U (en) | 2013-03-19 | 2013-03-19 | Pre-stressed tendon single pole multi-thread connector for batch production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203174890U true CN203174890U (en) | 2013-09-04 |
Family
ID=49071614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125816 Expired - Fee Related CN203174890U (en) | 2013-03-19 | 2013-03-19 | Pre-stressed tendon single pole multi-thread connector for batch production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203174890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538613A (en) * | 2017-09-20 | 2018-01-05 | 中国二十冶集团有限公司 | The preparation method of prestress wire |
| CN108222376A (en) * | 2018-02-13 | 2018-06-29 | 柳州桂桥缆索有限公司 | A kind of steel strand connector and its application method of architectural engineering elder generation Zhang Liang |
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
| CN114808757A (en) * | 2022-05-12 | 2022-07-29 | 长沙理工大学 | Large-span steel concrete arch bridge cantilever construction structure and method under combined system |
-
2013
- 2013-03-19 CN CN 201320125816 patent/CN203174890U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538613A (en) * | 2017-09-20 | 2018-01-05 | 中国二十冶集团有限公司 | The preparation method of prestress wire |
| CN108222376A (en) * | 2018-02-13 | 2018-06-29 | 柳州桂桥缆索有限公司 | A kind of steel strand connector and its application method of architectural engineering elder generation Zhang Liang |
| CN108222376B (en) * | 2018-02-13 | 2023-07-11 | 柳州桂桥缆索有限公司 | Steel strand connector of pretensioned beam for constructional engineering and use method thereof |
| CN110485457A (en) * | 2019-09-06 | 2019-11-22 | 柳州欧维姆机械股份有限公司 | A kind of screw thread rod iron and presstressed reinforcing steel connector and its construction method for connection |
| CN114808757A (en) * | 2022-05-12 | 2022-07-29 | 长沙理工大学 | Large-span steel concrete arch bridge cantilever construction structure and method under combined system |
| CN114808757B (en) * | 2022-05-12 | 2023-12-05 | 长沙理工大学 | Construction structure and method for cantilever of large-span steel concrete arch bridge under combined system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203174890U (en) | Pre-stressed tendon single pole multi-thread connector for batch production | |
| CN205024671U (en) | Precast concrete pile | |
| CN202925767U (en) | Low-retraction pre-stressed anchorage device | |
| CN202017304U (en) | Automatic centering tensioning anchoring device for prestress sheet material clamp type anchor | |
| CN102127950B (en) | Automatic centering tensioning and anchoring device for prestressed sheet clamping anchorage | |
| CN105666688B (en) | A kind of prefabricated pile, pile body and production method | |
| CN101509302A (en) | Single steel strand stay plant and assembling method thereof | |
| CN203065973U (en) | Stretch-draw device for monofilament epoxy coating steel strands | |
| CN103306495B (en) | Wooden construction truncated cylinder reinforced construction method | |
| CN203174892U (en) | Pre-stressed tendon single pole multi-thread connector for field processing | |
| CN102587572A (en) | Steel strand stay rope and manufacturing method thereof | |
| CN111663447A (en) | Prestressed bending and anchoring device for pre-tensioning precast beam plate and construction method | |
| CN200943289Y (en) | Prestress FRP tendon extrusion type anchorage | |
| CN202764001U (en) | Annular concrete pole prestress inward-tension device | |
| CN202492836U (en) | Soil-retaining duplex-type reinforced tube pile | |
| CN203174889U (en) | Extrusion screw anchorage device | |
| CN204174840U (en) | The locking ground tackle of prestress anchoraging | |
| CN202519876U (en) | Steel strand inhaul cable | |
| CN207062777U (en) | A kind of Novel road bridge construction prestressed anchor | |
| CN105598568B (en) | Reinforced bar skeleton seam welder, Making of reinforcement cage method and square pile preparation method | |
| CN105665906B (en) | Reinforced bar skeleton seam welder, Making of reinforcement cage method and square pile preparation method | |
| CN203452066U (en) | Non-prestressed high-strength centrifugal concrete square pile | |
| CN207582319U (en) | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field | |
| CN105155420B (en) | A kind of pre-tensioning system precast beam integral tension system | |
| CN204402056U (en) | A kind of novel pre-stressed carbon cloth tensioning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |