CN110468686B

CN110468686B - Bridge anti vibration cable

Info

Publication number: CN110468686B
Application number: CN201910824487.8A
Authority: CN
Inventors: 张罗美; 魏杰; 黄志标
Original assignee: Guangdong Minuo Industrial Technology Co ltd
Current assignee: Guangdong Minuo Industrial Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2021-08-31
Anticipated expiration: 2039-09-02
Also published as: CN110468686A

Abstract

The invention discloses a bridge anti-vibration inhaul cable, in particular to an anti-vibration inhaul cable which can elastically connect a plurality of stressed steel wires in the inhaul cable, has double anti-vibration effects, and is characterized in that a ball is arranged between a binding sleeve and a cable body to effectively prevent the cable body from being broken due to overlarge shearing force generated when the cable body is subjected to torque inside and outside. The steel wire rope winding device comprises an outer wrapping rubber sleeve, a rope body, balls, a binding sleeve and a steel wire rope winding, wherein the binding sleeve used for fixing the steel wire rope winding is wrapped outside the steel wire rope winding; the steel wire winding rope comprises an inner hexagonal rubber sleeve fixed on the inner wall of the binding layer, and the inner hexagonal rubber sleeve is connected with the core wire through a secondary elastic part.

Description

Bridge anti vibration cable

Technical Field

The invention relates to a bridge member, in particular to a bridge anti-vibration inhaul cable.

Background

The cable-stayed bridge is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, is a structural system formed by combining a pressure-bearing tower, a pulled guy and a bending-bearing beam body, can be regarded as a multi-span elastic support continuous beam with guys replacing buttresses, can reduce the bending moment in the beam body, reduce the building height, lighten the structural weight and save materials.

The most important stressed member in the cable-stayed bridge is the cable, the existing cable is mostly twisted together to form a whole cable through a plurality of steel wires, the vibration is serious when the cable is impacted, and the cable is easy to shake.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides the anti-vibration cable for the bridge.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a bridge anti-vibration inhaul cable comprises an outer-wrapping rubber sleeve, a cable body, balls, a binding sleeve and a steel wire winding rope, wherein the binding sleeve used for fixing the steel wire winding rope is wrapped outside the steel wire winding rope, a circle of balls used for increasing torque is densely distributed on the outer surface of the binding sleeve in the circumferential direction at equal intervals, the cable body used for blocking water and preventing corrosion is sleeved outside the balls, and the outer-wrapping rubber sleeve is fixed on the outer surface of the cable body; the steel wire winding rope comprises an inner hexagonal rubber sleeve fixed on the inner wall of the binding layer, and the inner hexagonal rubber sleeve is connected with the core wire through a secondary elastic part.

As a further scheme of the invention: the outsourcing gum cover adopts soft material to make, and the helicla flute that the multichannel is used for the rainwater direction is seted up to the spiral on the surface of outsourcing gum cover, and is parallel to each other between the multichannel helicla flute.

As a still further scheme of the invention: and a plurality of wind holes for rain and snow evaporation and heat dissipation are formed among the spiral grooves at intervals.

As a still further scheme of the invention: a plurality of wires are arranged on the inner wall of the inner hexagonal rubber sleeve and form a wire layer, outer edge steel wires are circumferentially arranged on the inner wall of the wire layer, and the inner sides of the outer edge steel wires are attached to the retaining sleeve; keep the interior lane of cover to circle closely arranged and have the dense strand of round, closely laminate rigid lining surface of strand inner circle, rigid lining inner wall circumference is fixed with a plurality of elasticity billet, and No. two steel wires of elasticity billet inner circle butt, No. two steel wire inner circles the butt steel wire No. one, and steel wire cladding is on the surface of core silk No. one.

As a still further scheme of the invention: the dense strand is made of high-strength steel bar materials.

As a still further scheme of the invention: the section of the elastic steel bar is S-shaped.

As a still further scheme of the invention: be fixed with the round cushion collar on the inner hexagonal rubber sleeve inner wall, the close tight strand of laminating round on the inner wall of cushion collar, the close tight strand inner wall laminating keeps the cover, keeps that the inner lane circumference distributes the round steel wire No. one, and the inboard of a steel wire is arranged and is had another round steel wire No. two, and the inboard of No. two steel wires is arranged and is had No. three steel wires of round again, and No. three steel wires distribute in the surface of core silk.

As a still further scheme of the invention: the buffer sleeve is made of sponge materials.

As a still further scheme of the invention: the binding sleeve is made of stainless steel.

As a still further scheme of the invention: the surface mounting of outsourcing gum cover has a plurality of taut steel wires that parallel with the rope body axis, and circumference equidistance distributes on the surface of outsourcing gum cover between a plurality of taut steel wires, and is fixed with the lock sleeve that a plurality of equidistance settings were used for embracing taut steel wire and outsourcing gum cover in the circumference of a plurality of taut steel wires.

After adopting the structure, compared with the prior art, the invention has the following advantages: this anti vibration cable improves the vibration resistance of whole cable through hexagonal rubber sleeve cooperation elasticity billet, dual anti vibration effect has, in addition, set up the ball between constraint cover and cable body and effectively prevent to produce too big shearing force when inside and outside receiving the moment of torsion and lead to the fracture, and the helicla flute plays the function of direction, prevent that the rainwater from stopping on the cable for a long time, reduce the possibility of rusty corrosion, the life of extension cable, utilize the wind hole can play the effect that reduces the windage, effectively dispel the heat of cable inside heat.

Drawings

Fig. 1 is a schematic structural diagram of a bridge anti-vibration cable.

Fig. 2 is a sectional view of the anti-vibration cable for a bridge according to embodiment 1.

Fig. 3 is a sectional view of the anti-vibration cable for a bridge according to embodiment 2.

In the figure: 1-wrapping a rubber sleeve outside; 2-a cable body; 3-rolling balls; 4-a restraining sleeve; 5-steel wire winding; 6-spiral groove; 7-air holes; 8-inner hexagonal rubber sleeve; 9-a thread layer; 10-outer edge steel wire; 11-a retaining sleeve; 12-dense stranding; 13-a rigid liner; 14-a resilient steel strip; 15-steel wire No. one; 16-second steel wire; 17-core filament; 18-a buffer sleeve; 19-first grade steel wire; 20-secondary steel wire; 21-tertiary steel wire.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, a bridge anti-vibration cable includes an outer rubber sheath 1, a cable body 2, a ball 3, a restraining sheath 4, and a steel wire rope 5;

the steel wire winding rope 5 is externally coated with a binding sleeve 4 for fixing the steel wire winding rope 5, preferably, the binding sleeve 4 is made of stainless steel materials, a circle of balls 3 for increasing torque are densely distributed on the outer surface of the binding sleeve 4 in the circumferential direction at equal intervals, a cable body 1 for preventing water and corrosion is sleeved outside the balls 3, an outer coating rubber sleeve 1 is fixed on the outer surface of the cable body 1, the steel wire winding rope 5 of the inner ring is fixed through the binding sleeve 4 and is prevented from loosening, the balls 3 arranged between the binding sleeve 4 and the cable body 1 can enable the inner layer, the cable body 2 and the outer coating rubber sleeve 1 to rotate mutually, the steel wire winding rope is similar to the action of a ball bearing, and fracture caused by overlarge shearing force generated when torque is applied to the inside and the outside is effectively prevented;

further, outsourcing gum cover 1 adopts soft material to make, the helicla flute 6 that the multichannel is used for the rainwater direction is seted up to the spiral on outsourcing gum cover 1's the surface, be parallel to each other between multichannel helicla flute 6, and interval is seted up and is used for sleet evaporation and radiating wind hole 7 between multichannel helicla flute 6, water droplet that helicla flute 6 can be on the cable will be attached to in sleet weather passes through helicla flute 6 and leaves, play the function of direction, prevent that the rainwater from stopping on the cable for a long time, reduce the corrosion possibility that rusts, the life of extension cable, and utilize wind hole 7 can play the effect that reduces the windage, in addition, in hot summer, can effectively dispel the inside heat of cable, prevent to take place the inflation and reduce load carrying capacity.

The steel wire winding rope 5 comprises an inner hexagonal rubber sleeve 8 fixed on the inner wall of the binding layer 4, the inner hexagonal rubber sleeve 8 is connected with a core wire 17 through a secondary elastic part, specifically, a plurality of wires are arranged on the inner wall of the inner hexagonal rubber sleeve 8, the wires form a wire layer 9, outer edge steel wires 10 are circumferentially arranged on the inner wall of the wire layer 9, the inner sides of the outer edge steel wires 10 are attached to a retaining sleeve 11, the tensile capacity of the inhaul cable is enhanced through the wire layer 9, the wire layer 9 is in elastic contact with the binding layer 4 through the inner hexagonal rubber sleeve 8, the primary anti-vibration effect is achieved, and the outer edge steel wires 10 provide main tensile force in the circumferential direction;

the tight arrangement has the close strand 12 of round on the retaining collar 11 inner circle, close strand 12 adopts high strength steel bar material to make, close strand 12 inner circle laminating rigidity inside lining 13 surface, rigidity inside lining 13 inner wall circumference is fixed with a plurality of elasticity billet 14, specifically, elasticity billet 14 cross-section is "S" type, elasticity billet 14 inner circle butt No. two steel wires 16, No. two steel wires 16 inner circle butt No. one steel wire 15, No. one steel wire 15 cladding is on the surface of core wire 17, the whole tensile property of cable is further improved through close strand 12, utilize elasticity billet 14 to make the tight strand 12 and the core wire 17 of steel wire winding 5 inlayer and No. one steel wire 15 and No. two steel wires 16 between have the elasticity spacious volume, further improve the holistic shock resistance of cable, thereby realize the holistic shock resistance of cable from inside to outside.

Example 2

Referring to fig. 1 and 3, in another embodiment of the present invention, a bridge anti-vibration cable includes a steel wire winding 5 including an inner hexagonal rubber sleeve 8 fixed to an inner wall of a constraint layer 4, the steel wire winding 5 including an inner hexagonal rubber sleeve 8 fixed to an inner wall of the constraint layer 4, the inner hexagonal rubber sleeve 8 being connected to a core wire 17 through a secondary elastic member, specifically, a circle of buffer sleeve 18 is fixed to an inner wall of the inner hexagonal rubber sleeve 8, specifically, the buffer sleeve 18 is made of a sponge material, a circle of dense strand 12 is attached to an inner wall of the buffer sleeve 18, an inner wall of the dense strand 12 is attached to a retaining sleeve 11, a circle of first steel wires 19 is circumferentially distributed on an inner ring of the retaining sleeve 11, another circle of second steel wires 20 is arranged on an inner side of the first steel wires 19, another circle of third steel wires 21 is arranged on an inner side of the second steel wires 20, the third steel wires 21 are distributed on an outer surface of the core wire 17, and the anti-vibration capability of the whole cable is improved through the inner hexagonal rubber sleeve 8 and the buffer sleeve 8, the use of the solid strands 12, steel wires No. 19, steel wires No. two 20 and steel wires No. three 21 and the core wire 17 provides overall tensile resistance.

The surface mounting of outsourcing gum cover 1 has a plurality of taut steel wires that parallel with 2 axes of the cable body, and circumference equidistance distributes on outsourcing gum cover 1's surface between a plurality of taut steel wires, and is fixed with a plurality of equidistance in a plurality of taut steel wire's circumference and sets up the lock sleeve that is used for cohesion taut steel wire and outsourcing gum cover 1, can protect the outsourcing gum cover not receive the impact damage through taut steel wire, still can further improve the whole tensile strength of cable simultaneously.

From the above detailed description of the embodiments, it is easy to understand that the working principle of the present invention is: the steel wire winding rope 5 of the inner ring is fixed through the binding sleeve 4 to prevent looseness, the balls 3 arranged between the binding sleeve 4 and the rope body 1 can enable the inner layer and the rope body 2 and the outer rubber sleeve 1 to rotate mutually, the function similar to that of a ball bearing can effectively prevent the breakage caused by overlarge shearing force generated when the inner side and the outer side are subjected to torque, the spiral groove 6 can leave water drops attached to the rope through the spiral groove 6 in rainy and snowy weather to play a role in guiding, rainwater is prevented from staying on the rope for a long time, the possibility of rusting and corrosion is reduced, the service life of the rope is prolonged, the effect of reducing wind resistance can be played by utilizing the wind hole 7, in addition, in hot summer, the heat in the rope can be effectively radiated, the expansion is prevented from occurring, the load capacity is reduced, the tensile capacity of the rope is enhanced through the wire layer 9, and the wire layer 9 is in elastic contact with the binding sleeve 4 by utilizing the inner hexagonal rubber sleeve 8, the cable has the primary anti-vibration effect, the outer edge steel wire 10 provides main tension in the circumferential direction, the overall tensile property of the cable is further improved through the compact strand 12, the elastic steel bar 14 is utilized to enable elastic looseness between the compact strand 12 and the core wire 17 in the inner layer of the steel wire rope 5 and between the first steel wire 15 and the second steel wire 16, and the overall anti-vibration capability of the cable is further improved, so that the overall anti-vibration capability of the cable is realized from inside to outside, or the overall anti-vibration capability of the cable is improved through the inner hexagonal rubber sleeve 8 and the buffer sleeve 8, and the overall tensile resistance is provided through the compact strand 12, the first steel wire 19, the second steel wire 20, the third steel wire 21 and the core wire 17; the outer packing rubber sleeve can be protected from being damaged by impact by the aid of the tensioning steel wires, the overall tensile strength of the inhaul cable can be further improved, the locking sleeves arranged in the circumferential direction at equal intervals can effectively restrain the plurality of tensioning steel wires distributed on the circumference, looseness is avoided, and force bearing gathering is achieved.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims.

Claims

1. A bridge anti-vibration inhaul cable comprises an outer-coated rubber sleeve (1), a cable body (2), balls (3), a binding sleeve (4) and a steel wire winding rope (5), and is characterized in that the outer part of the steel wire winding rope (5) is coated with the binding sleeve (4) used for fixing the steel wire winding rope (5), a circle of balls (3) used for increasing torque is densely distributed on the outer surface of the binding sleeve (4) in the circumferential direction at equal intervals, the cable body (2) used for blocking water and preventing corrosion is sleeved on the outer part of the balls (3), and the outer-coated rubber sleeve (1) is fixed on the outer surface of the cable body (2);

the steel wire winding rope (5) comprises an inner hexagonal rubber sleeve (8) fixed on the inner wall of the binding sleeve (4), and the inner hexagonal rubber sleeve (8) is connected with the core wire (17) through a secondary elastic part;

the outer-coated rubber sleeve (1) is made of soft materials, a plurality of spiral grooves (6) for guiding rainwater are spirally formed in the outer surface of the outer-coated rubber sleeve (1), the spiral grooves (6) are mutually parallel, and wind holes (7) for rain and snow evaporation and heat dissipation are formed in the spiral grooves (6) at intervals;

be fixed with round cushion collar (18) on interior hexagonal rubber sleeve (8) inner wall, laminate a round dense strand (12) on the inner wall of cushion collar (18), closely knit strand (12) inner wall laminating keeps cover (11), keeps cover (11) inner circle circumference to distribute a round steel wire (19), and the inboard of a steel wire (19) is arranged and is had No. two steel wires (20) of another round, and the inboard of No. two steel wires (20) is arranged and is had No. three steel wires (21) of another round, and No. three steel wires (21) distribute in the surface of core silk (17).

2. A bridge anti-vibration inhaul cable comprises an outer-coated rubber sleeve (1), a cable body (2), balls (3), a binding sleeve (4) and a steel wire winding rope (5), and is characterized in that the outer part of the steel wire winding rope (5) is coated with the binding sleeve (4) used for fixing the steel wire winding rope (5), a circle of balls (3) used for increasing torque is densely distributed on the outer surface of the binding sleeve (4) in the circumferential direction at equal intervals, the cable body (2) used for blocking water and preventing corrosion is sleeved on the outer part of the balls (3), and the outer-coated rubber sleeve (1) is fixed on the outer surface of the cable body (2); the steel wire winding rope (5) comprises an inner hexagonal rubber sleeve (8) fixed on the inner wall of the binding sleeve (4), and the inner hexagonal rubber sleeve (8) is connected with the core wire (17) through a secondary elastic part;

a plurality of threads are arranged on the inner wall of the inner hexagonal rubber sleeve (8), the threads form a thread layer (9), outer edge steel wires (10) are circumferentially arranged on the inner wall of the thread layer (9), and the inner sides of the outer edge steel wires (10) are attached to the retaining sleeve (11); the inner ring of the retaining sleeve (11) is densely arranged with a circle of dense strands (12), the inner rings of the dense strands (12) are attached to the outer surface of the rigid lining (13), a plurality of elastic steel bars (14) are circumferentially fixed on the inner wall of the rigid lining (13), the inner rings of the elastic steel bars (14) are abutted to second steel wires (16), the inner rings of the second steel wires (16) are abutted to first steel wires (15), and the first steel wires (15) are coated on the outer surface of the core wire (17).

3. A bridge anti-vibration guy cable according to claim 1 or 2, characterized in that said compact strands (12) are made of high strength steel material.

4. Anti-vibration cable for bridges according to claim 2, characterized in that the section of said elastic steel bar (14) is "S" shaped.

5. Anti-vibration cable for bridges according to claim 1, wherein the buffer sleeve (18) is made of sponge material.

6. Anti-vibration cable for bridges according to claim 1 or 2, characterized in that said constraining sheath (4) is made of stainless steel.

7. The anti-vibration inhaul cable for the bridge according to claim 1 or 2, wherein a plurality of tensioning steel wires parallel to the axis of the cable body (2) are fixed on the outer surface of the outer-coated rubber sleeve (1), the plurality of tensioning steel wires are distributed on the surface of the outer-coated rubber sleeve (1) at equal intervals in the circumferential direction, and a plurality of locking sleeves which are arranged at equal intervals and used for embracing the tensioning steel wires and the outer-coated rubber sleeve (1) are fixed on the circumferential direction of the plurality of tensioning steel wires.