CN210529472U - Anti-sliding key anchoring steel strand inhaul cable with fork ear cones - Google Patents
Anti-sliding key anchoring steel strand inhaul cable with fork ear cones Download PDFInfo
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- CN210529472U CN210529472U CN201920999899.0U CN201920999899U CN210529472U CN 210529472 U CN210529472 U CN 210529472U CN 201920999899 U CN201920999899 U CN 201920999899U CN 210529472 U CN210529472 U CN 210529472U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 238000004873 anchoring Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 37
- 239000004700 high-density polyethylene Substances 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 19
- 239000003566 sealing material Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 229920001021 polysulfide Polymers 0.000 claims description 7
- 239000005077 polysulfide Substances 0.000 claims description 7
- 150000008117 polysulfides Polymers 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 230000010412 perfusion Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 4
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- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of cone type anti-slip key anchor steel strand stay cable with fork ear, involve a kind of steel strand stay cable, including fixed end anchorage device with fork ear, stay cable body, stretch-draw end anchorage device, the stay cable body is stranded the steel strand bunch composed of stranded parallel non-adhesive prestressed steel strand; the fixed end anchorage device with the fork lugs comprises fork lugs and a conical anti-sliding key anchoring anchorage device; the conical anti-sliding key anchoring device comprises a conical anti-sliding key, an anchor plate and a sealing cylinder, wherein the conical anti-sliding key is a round sleeve with a conical outer surface at one end, the conical anti-sliding key is extruded at the end part of each steel strand, and the conical outer surface of the conical anti-sliding key is embedded in a conical hole of the anchor plate; the anchor plate is connected with the fork lug, the anchor plate is further connected with one end of the sealing cylinder, a sealing device is installed in the other end hole of the sealing cylinder, and an anti-corrosion material is poured into the sealing cylinder. The utility model has the characteristics of the anchor is reliable, can reduce the ground tackle size, save manufacturing cost, reduce cable windage coefficient, improve anti wind and rain excitation ability etc, easily popularization and application.
Description
Technical Field
The utility model relates to a steel strand wires cable, especially a take anti sliding key anchor steel strand wires cable of fork ear awl formula.
Background
The fork ear type inhaul cable mainly comprises a cold casting anchor, a hot casting anchor steel wire inhaul cable and a whole bundle of extruded steel stranded wire inhaul cable at present, and the two inhaul cables belong to finished cables and have the following defects: (1) the manufacturing process is complicated and has high requirement on the blanking length precision. (2) The outer sheath produces the internal stress when hot extrusion, and the cable is at the tensioning in-process, also can produce the internal stress because of the stretch-draw extension, and the cable is in the use, and the HDPE sheath still can receive the influence of illumination, temperature change and alternating load, and these factors all can lead to the HDPE sheath to produce stress cracking. (3) In the transportation and construction process, the outer protecting sleeve of the inhaul cable is also easy to be damaged, so that the corrosion resistance of the inhaul cable is reduced. (4) Meanwhile, the transportation of the whole finished cable needs large transportation tools and large hoisting and traction equipment, and the cable is difficult to hang.
The utility model with the publication number of CN202450444U discloses a forked-lug type steel strand stay cable anchorage device, which comprises an extrusion anchor cup connected with a forked lug, an extrusion anchor plate with a through hole, a sealing anchor cylinder, an expansion cylinder and other components, and although the series of problems caused by the adoption of a finished cable are avoided, the anchorage device still has the following defects that ① adopts an extrusion sleeve with a cylindrical structure, the extrusion sleeve extrudes at the end part of the steel strand, the end surface of the extrusion sleeve is in plane contact with the end surface of the extrusion anchor plate, the bearing area is small, the steel strand anchoring is not reliable enough, if the bearing area is increased, the outer diameter of the extrusion sleeve is required to be increased, the hole spacing of the anchor plate is further increased, the size of the whole anchorage device is increased, the material and the cost are increased, the outer diameter of the stay cable is increased, the wind resistance coefficient of the stay cable is reduced, the wind and rain resistance of the stay cable is reduced, the construction period for filling epoxy mortar when the extrusion sleeve is assembled on the whole bridge floor is prolonged, the whole anchorage device is required to be placed into a curing furnace for curing more than half a day after the epoxy mortar is completely cured, the stay cable is required to be stretched, the outer thread of.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the provided taper type anti-sliding key anchoring steel strand inhaul cable with the fork ears can solve the series problems caused by the adoption of finished cables, and can also overcome the defects of high production cost, large wind resistance coefficient and low wind and rain excitation resistance of the inhaul cable.
The technical scheme for solving the technical problems is as follows: a taper type anti-sliding key anchoring steel strand stay cable with a fork lug comprises a fixed end anchorage device with the fork lug, a stay cable body and a tensioning end anchorage device, wherein the stay cable body is a steel strand bundle consisting of a plurality of parallel non-bonding prestressed steel strands; the fixed end anchorage device with the fork lugs comprises fork lugs and a conical anti-sliding key anchoring anchorage device; the conical anti-sliding key anchoring device comprises a conical anti-sliding key, an anchor plate and a sealing cylinder, wherein the conical anti-sliding key is a round sleeve with a conical outer surface at one end, the conical anti-sliding key is extruded at the end part of each steel strand, and the conical outer surface of the conical anti-sliding key is embedded in a conical hole of the anchor plate; the anchor plate is connected with the fork lug, the anchor plate is further connected with one end of the sealing cylinder, a sealing device is installed in the other end hole of the sealing cylinder, and an anti-corrosion material is poured into the sealing cylinder.
The utility model discloses a further technical scheme is: one side of the taper hole end of the anchor plate is also connected with an anti-sliding key limiting device; the anti-sliding key limiting device comprises a pressing plate, wherein the pressing plate is connected to one side of the conical hole end of the anchor plate through a fastener, and the pressing plate is pressed on the end face of the conical anti-sliding key.
The utility model discloses a further technical scheme is: the conical anti-sliding key anchoring anchorage device further comprises a pull rod, one end of the pull rod penetrates through the sealing device to be connected with the anchor plate, and the other end of the pull rod is sleeved with a nut used for compressing the sealing device.
The utility model discloses a further technical scheme is: and a fastening screw for positioning and preventing looseness is further installed on the side wall of the fork lug connecting anchor plate, and the tip of the fastening screw is pressed on the outer circle surface of the anchor plate.
The utility model discloses a further technical scheme is: and a layer of sealing material A is coated on the outer circumferential surface of the connection between the anchor plate and the fork lug, and the sealing material A is a thread sealing glue or a silicone sealing glue or a polysulfide sealing glue.
The utility model discloses a further technical scheme is: the sealing cylinder is provided with a perfusion hole A, the fork lug is provided with a perfusion hole B, and the anchor plate is provided with a perfusion hole C.
The utility model discloses a further technical scheme is: the anchor plate is symmetrically provided with a pouring hole C and a pouring hole D, the end face of the conical hole end of the anchor plate is provided with an annular groove, a sealing material B is placed in the annular groove, and a protective cover is pressed on the sealing material B; the sealing material B is sealing putty, a water-swelling rubber sealing strip, silicone sealing gum, polysulfide sealing gum or thread sealing gum.
The utility model discloses a further technical scheme is: the anticorrosive material is oily wax, anticorrosive grease or water-swelling flame-retardant antirust non-drying sealant.
The utility model discloses a further technical scheme is: each strand of steel strand is a PE sheath steel strand.
The utility model discloses a further technical scheme is again: the outer sheath pipe of HDPE has been cup jointed outward at the cable body of cable, and the one end of this outer sheath pipe of HDPE is connected with the buckler, and the other end overcoat of the outer sheath pipe of HDPE has cup jointed the HDPE telescoping device, and the end at the fork ear is connected to the HDPE telescoping device.
Owing to adopt above-mentioned structure, the utility model discloses a take ear of fork awl formula anti-sliding key anchor steel strand wires cable compares with prior art, has following beneficial effect:
1. reliable anchoring of anchorage
The utility model discloses a taper type anti-sliding key anchoring steel strand stay cable with fork lugs, which comprises a fixed end anchorage device with fork lugs, a stay cable body and an tensioning end anchorage device, wherein the fixed end anchorage device with fork lugs comprises fork lugs and a taper type anti-sliding key anchoring anchorage device; the conical anti-sliding key anchoring device further comprises a conical anti-sliding key, an anchor plate and a sealing cylinder, wherein the conical anti-sliding key is a circular sleeve with a conical outer surface at one end; the conical anti-sliding keys are extruded at the end parts of the steel strands, and the conical outer surfaces of the conical anti-sliding keys are embedded in the conical holes of the anchor plates; the anchor plate is connected with the fork lug, the anchor plate is further connected with one end of the sealing cylinder, a sealing device is installed in the other end hole of the sealing cylinder, and an anti-corrosion material is poured into the sealing cylinder. Because the utility model discloses a awl formula anti-skidding key, the circular cone surface and the anchor slab taper hole of this awl formula anti-skidding key form the conical surface contact, compare the plane contact among the prior art, greatly increased bearing area for steel strand wires anchor safe and reliable more.
2. Can reduce the size of the anchorage device, save materials and production cost
Because the utility model discloses a conical anti-sliding key, the circular cone surface and the anchor slab taper hole of this conical anti-sliding key form the conical surface contact, have increased bearing area, therefore can guarantee under the reliable prerequisite of anchor, with the corresponding reduction of conical anti-sliding key external diameter, and then reduce anchor slab hole interval, reduce whole ground tackle size to can reach the purpose of saving raw and other materials, saving manufacturing cost.
3. Can reduce the wind resistance coefficient of the stay cable and improve the wind and rain shock excitation resistance
Because the utility model discloses a awl formula anti-skidding key, the circular cone surface and the anchor slab taper hole of this awl formula anti-skidding key form the conical surface contact, have increased bearing area, consequently can reduce the external diameter of awl formula anti-skidding key, reduce anchor slab hole interval, and then reduce the cable external diameter, reduce the windage coefficient of cable, improve the anti-wind and rain excitation ability of cable.
4. Convenient installation and construction
① the utility model discloses an anti-sliding key of awl formula, the circular cone surface and the anchor slab taper hole of this anti-sliding key of awl formula form the conical surface contact, can make and realize steel strand wires automatic positioning centering to convenient construction.
② the utility model discloses a conical anti-sliding key anchor ground tackle is still including the pull rod, and sealing device and the screw hole threaded connection who is located the straight hole end face of anchor plate are passed to the one end of pull rod, and the other end of pull rod has cup jointed the nut that is used for compressing sealing device.
The utility model discloses a HDPE telescoping device is through bolted connection or threaded connection or lug welding at the lower extreme tip of fork ear, and it does not receive construction error influence, convenient construction to neutrality.
5. Short construction period
The utility model discloses an anti sliding key anchor steel strand wires cable of fork ear awl formula can directly hang the cable stretch-draw after assembling on the bridge floor, fills anticorrosive material, has saved epoxy mortar curing time, and the time limit for a project fills epoxy mortar's cable short relatively on the scene.
6. Good corrosion-proof effect
The utility model discloses a cable body have good anticorrosive sealing performance and outstanding fatigue resistance, moreover the utility model discloses the fixed end anchor of well taking fork ear has two kinds of differences and pours into the anticorrosive material structure: the first one is that filling holes are arranged in a sealing cylinder, at the lower ends of an anchor plate and a fork lug, and an anticorrosive material is filled through the filling holes of the sealing cylinder, wherein the anticorrosive material is oily wax, anticorrosive grease or water-swelling flame-retardant antirust non-drying sealant and the like, so that comprehensive permanent corrosion prevention in the anchorage device can be realized; the second is that increase the safety cover on the anchor slab, can realize double-deck sealed anticorrosive, sealed anticorrosive effect is more outstanding. Therefore, the utility model discloses an anticorrosive effect is better.
7. Can avoid the series problems caused by adopting finished cables in the prior art
Because the inhaul cable body of the utility model is a steel strand bundle consisting of a plurality of parallel unbonded prestressed steel strands, the HDPE outer protective sleeve and the steel strands are mutually independent, the steel strands can be subjected to on-site blanking installation, the requirement on blanking length is not high, the transportation cost is low, and a large-scale transportation tool is not needed; and because the HDPE outer sheath pipe is mutually independent from the steel strand, the HDPE outer sheath pipe only plays a role in protecting the steel strand bundle, does not participate in stress and does not generate stress cracking. Therefore, the utility model discloses can avoid adopting the manufacturing process that the finished product cable brought complicated loaded down with trivial details, unloading length required precision is high, the HDPE sheath produces stress cracking, the cable outer sheath pipe bumps easily, the cable corrosion resisting property is poor, need large-scale transport means and large-scale jack-up traction equipment, hang a series of problems of cable difficulty.
8. Can reduce the thickness of the tower wall and make the cable tower more beautiful
The utility model discloses a take anti-sliding key anchor steel strand wires cable of fork ear cone type adopts the stiff end ground tackle of taking the fork ear, only need be used for connecting the otic placode of fork ear at the tower end installation, need not the pre-buried pipe, can correspondingly reduce tower wall thickness for the cable tower is more pleasing to the eye.
9. Good waterproof performance
The utility model discloses at the outer circumference face coating that anchor slab and fork ear are connectedIs provided withAnd the sealing material A is a thread sealing gum or a silicone sealing gum or a polysulfide sealing gum, and has good waterproof performance.
In addition, the cable body of the utility model is also sleeved with an HDPE outer protective sleeve, one end of the HDPE outer protective sleeve is connected with a waterproof cover, and the waterproof cover can play a role of protecting the anchorage device at the tensioning end of the beam end; the other end of the HDPE outer protective sleeve is sleeved with an HDPE expansion device, the HDPE expansion device is connected to the lower end of the fork lug, and the anchor can be covered inside through the HDPE expansion device to protect the anchor.
The technical features of the anti-sliding key anchoring steel strand cable with the forked lug cone of the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of the structure of the taper type anti-sliding key anchored steel strand cable with fork ears according to the present invention,
FIG. 2 is a schematic view showing the construction of the fixed end anchor with ears according to the first embodiment,
FIG. 3 is a schematic view of the tapered anti-feather key anchor according to an embodiment of the present invention,
FIG. 4 is a schematic view of the fixed end anchor with ears according to the second embodiment,
FIG. 5 is a schematic view of a tapered anti-feather key anchoring anchor according to a second embodiment.
In the above drawings, the respective reference numerals are explained as follows:
1-a fixed end anchorage device with fork ear,
11-fork ear, 111-set screw, 112-perfusion hole B,
12-conical anti-sliding key anchoring anchorage, 121-anti-sliding key limiting device, 1211-pressing plate, 1212-bolt,
122-tapered anti-slide key, 1221-tapered outer surface, 1222-cylindrical outer surface, 123-anchor plate,
124-pull rod, 125-sealing cylinder, 1251-pouring hole A, 126-sealing device, 127-nut,
128-platen, 129-protective cover,
2-a cable body of a inhaul cable, 3-an anchorage device at a stretching end, 4-an HDPE expansion device, 5-an HDPE outer protective sleeve,
6-waterproof cover.
Detailed Description
Example one
The utility model provides a take anti sliding key anchor steel strand wires cable of fork ear awl formula, includes fixed end ground tackle 1, the cable rope body 2, the stretch-draw end ground tackle 3 of taking the fork ear, wherein:
the inhaul cable body 2 is a steel strand bundle consisting of a plurality of parallel unbonded prestressed steel strands, each unbonded prestressed steel strand (hereinafter referred to as a steel strand) is a PE sheath steel strand, and two ends of each steel strand are exposed steel strands with PE sheaths stripped;
the fixed end anchorage device 1 with the fork lugs comprises fork lugs 11 and a conical anti-sliding key anchoring anchorage device 12;
the fork lug is of a conventional structure, two side lug plates are arranged at the upper end of the fork lug, and coaxial pin shaft holes are formed in the two side lug plates; the lower end of the fork lug is provided with an internal thread hole for connecting an anchorage device;
the conical anti-sliding key anchoring anchorage device 12 comprises a conical anti-sliding key 122, an anchor plate 123, a pull rod 124, a sealing cylinder 125 and a sealing device 126, wherein the conical anti-sliding key 122 is a round sleeve with a conical outer surface 1221 at one end and a cylindrical outer surface 1222 at the other end, the conical anti-sliding key 122 is integrally in a pen-head shape, the conical anti-sliding key 122 penetrates through steel strands and is extruded at the end part of each steel strand, the conical outer surface 1221 of the conical anti-sliding key 122 is embedded in a conical hole of the anchor plate 123, the conical outer surface taper of the conical anti-sliding key is matched with the taper of the conical hole of the anchor plate, the conical outer surface taper angle of the conical anti-sliding key and the taper angle of the conical hole of the anchor plate are 2 α, and the value range of 2 α is that 0 degrees is less than 2 α and.
An anti-sliding key limiting device 121 is further connected to one side of the tapered hole end of the anchor plate 123, the anti-sliding key limiting device 121 comprises a pressing plate 1211, the pressing plate 1211 is connected to one side of the tapered hole end of the anchor plate 123 through a bolt 1212, and the pressing plate 1211 is pressed against the end face of the cylindrical outer surface end of the tapered anti-sliding key 122.
The outer circle surface of the anchor plate 123 is provided with external threads, the anchor plate 123 is in threaded connection with an internal threaded hole at the lower end of the fork lug 11, the anchor plate 123 is also in threaded connection with one end of the sealing cylinder 125, the sealing device 126 is arranged in the other end hole of the sealing cylinder 125, and a pressing plate 128 is arranged outside the sealing device 126;
one end of the pull rod 124 sequentially penetrates through the pressing plate 128 and the sealing device 126 to be in threaded connection with a threaded hole in the end face of the straight hole end of the anchor plate 123, and the other end of the pull rod 124 is sleeved with a nut 127 for compressing the sealing device 126 so as to seal a cavity in the anchor device; the sealing device 126 is known in the art and includes a sealing ring, a sealing plate, a pressing plate, etc. connected together.
A set screw 111 for positioning and preventing looseness is further mounted on the side wall of the fork lug 11 connected with the anchor plate 123, and the tip of the set screw 111 is pressed against the outer circular surface of the anchor plate 123; the outer circumferential surface of the anchor plate 123 connected with the fork 11 is coated with a layer of sealing material A, and the sealing material A is a thread sealing glue, a silicone sealing glue or a polysulfide sealing glue and the like.
The side wall of the sealing cylinder 125 is provided with a filling hole A1251, the anchor plate is provided with a filling hole C (the filling hole C is not shown in the figure) along the axial direction, the side wall of the lower end of the fork lug 11 is provided with a filling hole B112, and the sealing cylinder 125 is filled with an anticorrosive material which is oil wax, anticorrosive grease, water-swelling flame-retardant antirust non-drying sealing paste and the like. Wherein the water-swelling flame-retardant antirust non-drying sealant is disclosed in application publication No. CN 108384488A.
The outer sheath pipe 5 of HDPE has still been cup jointed outside the cable body 2 to the cable, and the one end of this outer sheath pipe 5 of HDPE is connected with the buckler 6, and the other end overcoat of the outer sheath pipe 5 of HDPE has connect the HDPE telescoping device 4, and the HDPE telescoping device 4 passes through bolted connection or threaded connection or lug weld at the lower extreme tip of fork ear 11, and the HDPE telescoping device 4 adopts well-known technique.
Similarly, the tension end anchorage 3 is known as an adjustable cable clamp anchor and will not be described in detail herein.
Example two
The utility model provides a take anti sliding key anchor steel strand wires cable of fork ear awl formula, the basic structure of this cable is the same as embodiment one, all includes the stiff end ground tackle 1 of taking the fork ear, cable rope body 2, stretch-draw end ground tackle 3, the difference lies in that the position that the filling hole was seted up is different, has not seted up filling hole A on the sealed tube 125 of this embodiment two, and filling hole B112 has not also been seted up to the lower extreme of fork ear 11, but has seted up symmetrical filling hole C and filling hole D along the axial on anchor slab 123. The second embodiment has the following specific structure:
the utility model provides a take anti sliding key anchor steel strand wires cable of fork ear awl formula, includes fixed end ground tackle 1, the cable rope body 2, the stretch-draw end ground tackle 3 of taking the fork ear, wherein:
the inhaul cable body 2 is a steel strand bundle consisting of a plurality of parallel unbonded prestressed steel strands, each unbonded prestressed steel strand (hereinafter referred to as a steel strand) is a PE sheath steel strand, and two ends of each steel strand are exposed steel strands with PE sheaths stripped;
the fixed end anchorage device 1 with the fork lugs comprises fork lugs 11 and a conical anti-sliding key anchoring anchorage device 12;
the fork lug is of a conventional structure, the upper end of the fork lug is provided with two lug plates, and the two lug plates are provided with coaxial pin shaft holes; the lower end of the fork lug is provided with an internal thread hole for connecting an anchorage device;
the conical anti-sliding key anchoring anchorage device 12 comprises a conical anti-sliding key 122, an anchor plate 123, a pull rod 124, a sealing cylinder 125 and a sealing device 126, wherein the conical anti-sliding key 122 is a round sleeve with a conical outer surface 1221 at one end and a cylindrical outer surface 1222 at the other end, the conical anti-sliding key 122 is integrally in a pen-head shape, the conical anti-sliding key 122 penetrates through steel strands and is extruded at the end part of each steel strand, the conical outer surface 1221 of the conical anti-sliding key 122 is embedded in a conical hole of the anchor plate 123, the conical outer surface taper of the conical anti-sliding key is matched with the taper of the conical hole of the anchor plate, the conical outer surface taper angle of the conical anti-sliding key and the taper angle of the conical hole of the anchor plate are 2 α, and the value range of 0 degree < 2 α < 180 degrees of 2 α.
An anti-sliding key limiting device 121 is further connected to one side of the tapered hole end of the anchor plate 123, the anti-sliding key limiting device 121 comprises a pressing plate 1211, the pressing plate 1211 is connected to one side of the tapered hole end of the anchor plate 123 through a bolt 1212, and the pressing plate 1211 is pressed against the end face of the cylindrical outer surface end of the tapered anti-sliding key 122.
The outer circle surface of the anchor plate 123 is provided with external threads, the anchor plate 123 is in threaded connection with an internal threaded hole at the lower end of the fork lug 11, the anchor plate 123 is also in threaded connection with one end of the sealing cylinder 125, the sealing device 126 is arranged in the other end hole of the sealing cylinder 125, and a pressing plate 128 is arranged outside the sealing device 126;
the anchor plate 123 is further provided with a symmetrical pouring hole C and a symmetrical pouring hole D (not shown in the figure) along the axial direction, the pouring hole C and the pouring hole D are arranged in a staggered manner with the anchor hole, an annular groove is formed in the end face of the conical hole of the anchor plate, a sealing material B is placed in the annular groove, and a protective cover 129 is pressed on the sealing material B in the annular groove so as to realize sealing; the sealing material B can be sealing putty, a water-swelling rubber sealing strip, silicone sealant, polysulfide sealant, thread sealant and the like. The sealing cylinder 125 is filled with an anticorrosive material which is oil wax or anticorrosive grease or water-swelling flame-retardant antirust non-drying sealant and the like, wherein the water-swelling flame-retardant antirust non-drying sealant is disclosed in application publication No. CN 108384488A.
One end of the pull rod 124 sequentially penetrates through the pressing plate 128 and the sealing device 126 to be in threaded connection with a threaded hole in the end face of the straight hole end of the anchor plate 123, and the other end of the pull rod 124 is sleeved with a nut 127 for compressing the sealing device 126 so as to seal a cavity in the anchor device; the sealing device 126 is known in the art and includes a sealing ring, a sealing plate, a pressing plate, etc. connected together.
A set screw 111 for positioning and preventing looseness is further mounted on the side wall of the fork lug 11 connected with the anchor plate 123, and the tip of the set screw 111 is pressed against the outer circular surface of the anchor plate 123; the outer circumferential surface of the anchor plate 123 connected with the fork 11 is coated with a layer of sealing material A, and the sealing material A is a thread sealing glue, a silicone sealing glue or a polysulfide sealing glue and the like.
The outer sheath pipe 5 of HDPE has still been cup jointed outside the cable body 2 to the cable, and the one end of this outer sheath pipe 5 of HDPE is connected with the buckler 6, and the other end overcoat of the outer sheath pipe 5 of HDPE has connect the HDPE telescoping device 4, and the HDPE telescoping device 4 passes through bolted connection or threaded connection or lug weld at the lower extreme tip of fork ear 11, and the HDPE telescoping device 4 adopts well-known technique.
Similarly, the tension end anchorage 3 is known as an adjustable cable clamp anchor and will not be described in detail herein.
Claims (10)
1. The utility model provides a take anti sliding key anchor steel strand wires cable of fork ear awl formula, includes fixed end ground tackle (1), cable rope body (2), the stretch-draw end ground tackle (3) of taking the fork ear, its characterized in that: the stay cable body (2) is a steel strand bundle consisting of a plurality of parallel unbonded prestressed steel strands; the fixed end anchorage device (1) with the fork lugs comprises fork lugs (11) and a conical anti-sliding key anchoring anchorage device (12); the conical anti-sliding key anchoring anchorage device (12) comprises a conical anti-sliding key (122), an anchor plate (123) and a sealing cylinder (125), wherein the conical anti-sliding key (122) is a round sleeve with a conical outer surface (1221) at one end, the conical anti-sliding key (122) is extruded at the end part of each steel strand, and the conical outer surface (1221) of the conical anti-sliding key (122) is embedded in a conical hole of the anchor plate (123); the anchor plate (123) is connected with the fork lug (11), the anchor plate (123) is further connected with one end of the sealing cylinder (125), a sealing device (126) is installed in the other end hole of the sealing cylinder (125), and an anti-corrosion material is poured into the sealing cylinder (125).
2. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: an anti-sliding key limiting device (121) is further connected to one side of the conical hole end of the anchor plate (123); the anti-sliding key limiting device (121) comprises a pressing plate (1211), wherein the pressing plate (1211) is connected to one side of the conical hole end of the anchor plate (123) through a fastening piece, and the pressing plate (1211) is pressed on the end face of the conical anti-sliding key (122).
3. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: the conical anti-sliding key anchoring anchorage device (12) further comprises a pull rod (124), one end of the pull rod (124) penetrates through the sealing device (126) to be connected with the anchor plate (123), and the other end of the pull rod (124) is sleeved with a nut (127) used for compressing the sealing device (126).
4. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: and a set screw (111) for positioning and preventing looseness is further installed on the side wall of the fork lug (11) connected with the anchor plate (123), and the tip of the set screw (111) is pressed against the outer circular surface of the anchor plate (123).
5. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: the outer circumferential surface of the anchor plate (123) connected with the fork lug (11) is coated with a layer of sealing material A, and the sealing material A is a thread sealing glue or a silicone sealing glue or a polysulfide sealing glue.
6. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: the sealing cylinder (125) is provided with a perfusion hole A (1251), the fork lug (11) is provided with a perfusion hole B (112), and the anchor plate (123) is provided with a perfusion hole C.
7. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: the anchor plate (123) is symmetrically provided with a pouring hole C and a pouring hole D, the end face of the conical hole end of the anchor plate is provided with an annular groove, a sealing material B is placed in the annular groove, and a protective cover (129) is pressed on the sealing material B; the sealing material B is sealing putty, a water-swelling rubber sealing strip, silicone sealing gum, polysulfide sealing gum or thread sealing gum.
8. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: the anticorrosive material is oily wax, anticorrosive grease or water-swelling flame-retardant antirust non-drying sealant.
9. The anti-sliding bond anchoring steel strand inhaul cable with the fork ear-shaped cone is characterized in that: each strand of steel strand is a PE sheath steel strand.
10. The anti-sliding bond anchor steel strand stay with a wishbone according to any one of claims 1 to 9, wherein: the outer sheath pipe (5) of HDPE has been cup jointed outward in cable body (2), and the one end of this outer sheath pipe (5) of HDPE is connected with buckler (6), and the other end overcoat of the outer sheath pipe (5) of HDPE has connect HDPE telescoping device (4), and the tip at fork ear (11) is connected in HDPE telescoping device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999899.0U CN210529472U (en) | 2019-06-28 | 2019-06-28 | Anti-sliding key anchoring steel strand inhaul cable with fork ear cones |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999899.0U CN210529472U (en) | 2019-06-28 | 2019-06-28 | Anti-sliding key anchoring steel strand inhaul cable with fork ear cones |
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| Publication Number | Publication Date |
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| CN210529472U true CN210529472U (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258299A (en) * | 2019-06-28 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | Band fork ear bevel-type antiskid key anchoring guy of twisted steel cable and its construction method |
-
2019
- 2019-06-28 CN CN201920999899.0U patent/CN210529472U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258299A (en) * | 2019-06-28 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | Band fork ear bevel-type antiskid key anchoring guy of twisted steel cable and its construction method |
| CN110258299B (en) * | 2019-06-28 | 2024-02-06 | 柳州欧维姆机械股份有限公司 | Tapered anti-slip key anchoring steel strand inhaul cable with fork lugs and construction method thereof |
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