CN204435895U - A kind of finished product prestressing tendon being provided with band steel ring suspension ring - Google Patents
A kind of finished product prestressing tendon being provided with band steel ring suspension ring Download PDFInfo
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- CN204435895U CN204435895U CN201420794767.1U CN201420794767U CN204435895U CN 204435895 U CN204435895 U CN 204435895U CN 201420794767 U CN201420794767 U CN 201420794767U CN 204435895 U CN204435895 U CN 204435895U
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Abstract
The utility model relates to a kind of finished product prestressing tendon being provided with band steel ring suspension ring, comprise many steel strand, compression sleeve, the tractive end of described many steel strand coaxially withholds a compression sleeve, before many steel strand, before rear two ends install respectively, rear mark plate, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, described compression sleeve comprises linkage section and traction section, this linkage section one end is integrally shaped with traction section, described traction section is semi arch structure, its end is coaxially shaped with screw hole, in this traction section, portion is semicircular arc-shaped cavity, the inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop.The utility model steel wire bundle can be worn safely to pass through and construct in the bellows in duct, wear and pass through journey and avoid winding between single steel strand and distortion, and compression sleeve guidance quality is strong, effectively improves efficiency of construction, traction suspension ring assembly can repeat recycling, effectively reduces costs.
Description
Technical field
The utility model belongs to the realm of building construction, relates to prestress wire, especially a kind of finished product prestressing tendon being provided with band steel ring suspension ring.
Background technology
In building and road and bridge building operations, need, by many prestress steel twist wire arranging bunchys (having another name called finished product prestressing tendon), to penetrate in the prestressed pore passage and bellows duct prepared.When finished steel strand bundle is worn and sent in corrugated conduit, need to withhold a compression sleeve in finished steel strand bundle front end by pressure apparatus.
At present, the lashing of existing finished product prestress wire, when steel strand radical is many and distance is longer, to wear in the process sent, the tractive force that many steel strand are subject to is large, and the frictional force of the anterior traction end of compression sleeve and corrugated conduit is large, guidance quality is poor, and easily occurs between many steel strand to be wound around or to intersect.
1, the documents 1 that discovery one section is relevant to this patent content, publication number is the Chinese patent of CN104088220A, this patent discloses a kind of finished product prestressing tendon, it comprise at least two presstressed reinforcing steel feed-through device, with the presstressed reinforcing steel of presstressed reinforcing steel feed-through device quantity Matching and at least two marking plates; Described each marking plate offers the perforation with presstressed reinforcing steel feed-through device quantity and diameter matches, every root presstressed reinforcing steel one end is passed the perforation of a marking plate and is fixed in presstressed reinforcing steel feed-through device, and the other end of presstressed reinforcing steel is through the perforation of another marking plate same position.
2, the documents 2 that discovery one section is relevant to this patent content, publication number is the Chinese patent of CN203808529U, which disclose a kind of prestress wire lashing guiding string bag, comprise tow lug and netting, described tow lug and netting are the braiding of multistrand rope and doubling and the all-in-one-piece string bag, and its doubling position is head, forms the tow lug of tension, the cover below of described tow lug has the steel bushing of a fastening netting, and the part after steel bushing breaks up braiding and the netting of open rearward end.
By contrast, muscle feed-through device in documents 1 comprises outer sleeve, drawing head and four interior holding pieces, there is complex structure, loaded down with trivial details problem is installed, and drawing head is solid construction, not only improve the weight of whole muscle feed-through device, and improve cost, in technical scheme, have relatively big difference with present patent application.
In documents 2, tow lug is packed on steel bushing, in the process that tow lug and hoist engine are installed, because steel strand itself exist torsion, tow lug is caused to drive steel wire bundle together to rotate (namely servo-actuated), now increase the frictional force between steel strand outer rim and bellows, reduce efficiency of construction; Traditional tow lug can not be reused, and causes great waste.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides the finished product prestressing tendon being provided with band steel ring suspension ring that a kind of structure is simple, easy for installation.
Scheme of the present utility model is achieved in that
A kind of finished product prestressing tendon being provided with band steel ring suspension ring, comprise many steel strand, compression sleeve and front mark plate and rear mark plate, the tractive end of described many steel strand coaxially withholds a compression sleeve, mark plate and rear mark plate before the forward and backward two ends of many steel strand install respectively, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, it is characterized in that:
Described compression sleeve comprises linkage section and traction section, and an end of this linkage section is integrally shaped with traction section, and described traction section is semi arch structure, and its end is coaxially shaped with screw hole, and in this traction section, portion is semicircular arc-shaped cavity; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop;
The screw hole of described compression sleeve is provided with traction suspension ring assembly, described traction suspension ring assembly comprises suspension ring body, key part and connecting bolt, the bottom concentric gap of described suspension ring is coated with connecting bolt, and this suspension ring body is also provided with dismountable key part;
Described key part comprises junction plate, hexagon prism and junction plate, upper surface, described junction plate one end is fixedly mounted with the hexagon prism for the bolt that is rotatably connected vertically arranged, this hexagon prism profile is corresponding with described connecting bolt, clamp an opening steel ring in the annular groove that the top of this hexagon prism is coaxially shaped with, the diameter of this opening steel ring is greater than the diameter of hexagon prism;
Described junction plate the other end is integrally shaped with symmetrically arranged linking arm, the end of these two linking arms is integrally shaped with two connecting portions in opposite directions, one of them connecting portion is hinged with brace, the cantilever end of this brace is shaped with U-type groove, mounting screw and nut on another connecting portion, U-type groove correspondence is installed on all sides of screw and is linked together by two connecting portions by nut by junction plate rotation.
And the bottom of described suspension ring body is coaxially shaped with annular boss, is provided with packing ring between the upper surface of this annular boss and the nut of connecting bolt, in the annular groove that this suspension ring body bottom portion is shaped with, gasket ring is installed.
And the wall thickness of described traction section is greater than the wall thickness of linkage section.
And the linkage section external surface of described compression sleeve is shaped with axial technique impression, this axial technique impression axially forms strip indentation along compression sleeve.
Advantage of the present utility model and good effect are:
1, the compression sleeve structure in this steel wire bundle is simple, easy for installation, lightweight, cost is low, and the hangnail bulge loop be shaped with by its inwall improves the bond stress in distraction procedure between compression sleeve and steel strand; This compression sleeve adopts radial compression, and gripping effect is good, effectively ensure that steel wire bundle there will not be loose phenomenon in threading procedure; In this steel wire bundle, the wall thickness of the traction section of compression sleeve is greater than the wall thickness of linkage section, improves intensity, prevents the section of traction fracture in the process of traction.
2, the suspension ring body about axis in this steel wire bundle can 360 degree of rotations, avoid the phenomenon that steel strand are servo-actuated, effectively improve operating efficiency; After steel wire bundle is penetrated bellows, connecting bolt can be taken out, realize recycling, effectively reduce construction cost; Suspension ring body installs dismountable key part, and dismounting suspension ring are convenient and swift, and key part is not easily lost, flexible and convenient to use; Construction opening steel ring on hexagon prism, effectively can make up the gap between hexagon prism and connecting bolt, prevent hexagon prism from skidding, improve operating efficiency.
3, steel wire bundle of the present utility model can be worn safely to pass through and construct in the bellows in duct, wear and pass through journey and avoid winding between single steel strand and distortion, and the traction section of compression sleeve is semi arch structure design, guidance quality is strong, effectively improve efficiency of construction, and traction suspension ring assembly can repeat recycling, effectively reduces costs.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the front view of compression sleeve in Fig. 1;
Fig. 3 is the sectional view of Fig. 2;
Fig. 4 is the structural representation drawing suspension ring assembly in Fig. 1;
Fig. 5 is the structure sectional view of Fig. 4;
Fig. 6 is the I portion enlarged drawing of Fig. 5;
Fig. 7 is the front view of key part in Fig. 1;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is the structural representation of hexagon prism in Fig. 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail.
A kind of finished product prestressing tendon being provided with band steel ring suspension ring, as shown in Figure 1, comprise many steel strand 1, compression sleeve 4 and front mark plate 2B and rear mark plate 2A, the tractive end of described many steel strand coaxially withholds a compression sleeve, mark plate and rear mark plate before the forward and backward two ends of many steel strand install respectively, the steel wire bundle outer rim spiral winding between two mark plates metal binding wire 3.
Innovative point of the present utility model is:
1, the structure of described compression sleeve as shown in Figure 2 and Figure 3, comprise linkage section 7 and traction section 9, one end of this linkage section is integrally shaped with traction section, described traction section is semi arch structure, its end is coaxially shaped with screw hole 10, in this traction section, portion is semicircular arc-shaped cavity, and this structure design not only reduces the weight of compression sleeve, and saves material cost; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop 8, and the effect of this hangnail bulge loop to improve the bond stress in distraction procedure between compression sleeve and steel strand, prevents steel strand in the process of traction from deviating from.The wall thickness B of described traction section is greater than the wall thickness A of linkage section, and the effect increasing the wall thickness of traction section improves intensity, prevents the section of traction fracture in the process of traction.
2, the screw hole of described compression sleeve is provided with traction suspension ring assembly 5.
Described compression sleeve on steel wire bundle, is shaped with axial technique impression 6 at the linkage section external surface of compression sleeve by forcing press extruding banding, and this axial technique impression axially forms strip indentation along compression sleeve.
Described forward and backward mark plate is that flexible material is made, object is constructability, its diametric plane is shaped with the through hole of the single steel strand equal number corresponding with described steel wire bundle, and four inboards, edge of this mark plate are printed with the Directional Sign (not illustrating in the present embodiment accompanying drawing) for showing each single steel strand relative position and residing direction.The effect of mark plate is in order in the process of unwrapping wire, obviously can distinguish the arrangement position of each root steel strand in steel wire bundle, installs ground tackle to facilitate one_to_one corresponding.
The structure of traction suspension ring assembly:
The structure of described traction suspension ring assembly as shown in Figures 4 to 6, comprises suspension ring body 11, key part 12 and connecting bolt 13, and the bottom concentric gap of described suspension ring is coated with connecting bolt, and this suspension ring body is also provided with dismountable key part.
As shown in Figure 6, the bottom of described suspension ring body is coaxially shaped with annular boss 15, is provided with packing ring 14 between the upper surface of this annular boss and the nut of connecting bolt, is provided with gasket ring 16 in the annular groove that this suspension ring body bottom portion is shaped with.
The structure of described key part is as Fig. 7, Fig. 8, shown in Fig. 9, comprise junction plate 19, hexagon prism 17 and junction plate 20, upper surface, described junction plate one end is fixedly mounted with the hexagon prism for the bolt that is rotatably connected vertically arranged, this hexagon prism profile is corresponding with described connecting bolt, an opening steel ring 18 is clamped in the annular groove that the top of this hexagon prism is coaxially shaped with, the diameter of this opening steel ring is slightly larger than the diameter of hexagon prism, the effect of opening steel ring makes up the gap between hexagon prism and connecting bolt nut, prevent the hexagon prism when being rotatably connected bolt from skidding, improve construction working efficiency,
Described junction plate the other end is integrally shaped with symmetrically arranged linking arm 21, the end of these two linking arms is integrally shaped with two connecting portions 22 in opposite directions, one of them connecting portion is hinged with brace by hinge 24, the cantilever end of this brace is shaped with U-type groove 23, mounting screw 25 and nut on another connecting portion, U-type groove correspondence is installed on all sides of screw and is linked together by two connecting portions by nut by junction plate rotation, thus formation closed loop configuration, thus can be sleeved on suspension ring body, brace is utilized conveniently to be taken out by junction plate, this anatomical connectivity is convenient, prevent spanner from losing.
The manufacturing process of this steel wire bundle is:
1, according to customer demand, the single steel strand comb of specific length and radical is compiled arrangement for steel wire bundle.
2, forward and backward mark plate is installed respectively at steel wire bundle front and back ends two ends, make each single steel strand through in the through hole of corresponding forward and backward mark plate, note making the orientation of two mark plates when installing identical, can ensure that every root steel strand are parallel to each other when stretch-draw, are not wound around; Again forward and backward mark plate is tied up and be fixed on steel wire bundle.
3, one end suit compression sleeve of traction is needed at steel wire bundle, with extrusion equipment, pressure is applied to the outer rim of compression sleeve, make compression sleeve inwall axially on length direction banding be wrapped on the outer single steel strand outer margin contour of steel wire bundle, compression sleeve and steel strand are firmly gathered and are integrated.
4, during construction, traction suspension ring assembly is arranged on the traction end of compression sleeve, completes tractive work.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (4)
1. one kind is provided with the finished product prestressing tendon of band steel ring suspension ring, comprise many steel strand, compression sleeve and front mark plate and rear mark plate, the tractive end of described many steel strand coaxially withholds a compression sleeve, mark plate and rear mark plate before the forward and backward two ends of many steel strand install respectively, steel wire bundle outer rim spiral winding between two mark plates metal binding wire, it is characterized in that:
Described compression sleeve comprises linkage section and traction section, and an end of this linkage section is integrally shaped with traction section, and described traction section is semi arch structure, and its end is coaxially shaped with screw hole, and in this traction section, portion is semicircular arc-shaped cavity; The inwall one uniform intervals of described linkage section is shaped with multiple hangnail bulge loop;
The screw hole of described compression sleeve is provided with traction suspension ring assembly, described traction suspension ring assembly comprises suspension ring body, key part and connecting bolt, the bottom concentric gap of described suspension ring is coated with connecting bolt, and this suspension ring body is also provided with dismountable key part;
Described key part comprises junction plate, hexagon prism and junction plate, upper surface, described junction plate one end is fixedly mounted with the hexagon prism for the bolt that is rotatably connected vertically arranged, this hexagon prism profile is corresponding with described connecting bolt, clamp an opening steel ring in the annular groove that the top of this hexagon prism is coaxially shaped with, the diameter of this opening steel ring is greater than the diameter of hexagon prism;
Described junction plate the other end is integrally shaped with symmetrically arranged linking arm, the end of these two linking arms is integrally shaped with two connecting portions in opposite directions, one of them connecting portion is hinged with brace, the cantilever end of this brace is shaped with U-type groove, mounting screw and nut on another connecting portion, U-type groove correspondence is installed on all sides of screw and is linked together by two connecting portions by nut by junction plate rotation.
2. the finished product prestressing tendon being provided with band steel ring suspension ring according to claim 1, it is characterized in that: the bottom of described suspension ring body is coaxially shaped with annular boss, between the upper surface of this annular boss and the nut of connecting bolt, packing ring is installed, in the annular groove that this suspension ring body bottom portion is shaped with, gasket ring is installed.
3. the finished product prestressing tendon being provided with band steel ring suspension ring according to claim 1, is characterized in that: the wall thickness of described traction section is greater than the wall thickness of linkage section.
4. the finished product prestressing tendon being provided with band steel ring suspension ring according to claim 1, it is characterized in that: the linkage section external surface of described compression sleeve is shaped with axial technique impression, this axial technique impression axially forms strip indentation along compression sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794767.1U CN204435895U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon being provided with band steel ring suspension ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794767.1U CN204435895U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon being provided with band steel ring suspension ring |
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| Publication Number | Publication Date |
|---|---|
| CN204435895U true CN204435895U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420794767.1U Active CN204435895U (en) | 2014-12-15 | 2014-12-15 | A kind of finished product prestressing tendon being provided with band steel ring suspension ring |
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| Country | Link |
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| CN (1) | CN204435895U (en) |
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- 2014-12-15 CN CN201420794767.1U patent/CN204435895U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Niu Po Inventor after: Ma Lin Inventor after: Zhu Xitong Inventor after: Liu Jiyuan Inventor after: Shi Long Inventor before: Niu Po |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160503 Address after: 100081 Beijing city Haidian District Daliushu No. 2 Patentee after: China Academy of Railway Sciences Patentee after: Railway Construction Institute of China Academy of Railway Sciences Patentee after: Tianjin Shinkuntai Advanced Prestressing Technology Co., Ltd. Address before: 300400 Tianjin city science and Technology Park Beichen District Road No. 15 King Patentee before: Tianjin Shinkuntai Advanced Prestressing Technology Co., Ltd. |