CN211446561U

CN211446561U - Handle resistant environmental stress fracture's of bridge cable body PE sheath structure

Info

Publication number: CN211446561U
Application number: CN201922168738.XU
Authority: CN
Inventors: 李迅
Original assignee: Shanghai Valley Civil Engineering Technology Co ltd
Current assignee: Shanghai Valley Civil Engineering Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-08
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a handle structure of bridge cable body PE sheath environmental stress cracking resistance, including the cable, the surface cover of cable is equipped with PE sheath upper segment and PE sheath hypomere, and the surface cover of PE sheath upper segment is equipped with first clamp ring, and the surface cover of PE sheath hypomere is equipped with the second clamp ring, the first rubber ring of the inner wall fixedly connected with of first clamp ring. This handle structure of bridge cable body PE sheath resistant environmental stress fracture, adopt first rubber ring and second rubber ring to protect the PE sheath when first clamp ring and second clamp ring shrink, cause the injury with the PE sheath when avoiding appearing first clamp ring and second clamp ring shrink, the screw is close to two flange each other with the cooperation of first screw hole and second screw hole, the both sides that drive the hose are sealed, it seals to crack department, avoid the rainwater to get into inside the PE sheath through crack department, cause cable and water contact, lead to accelerating the oxidation of cable, so as to the phenomenon that the life of cable descends.

Description

Handle resistant environmental stress fracture's of bridge cable body PE sheath structure

Technical Field

The utility model relates to a bridge technical field specifically is a handle structure that bridge cable body PE sheath is resistant to environmental stress fracture.

Background

The bridge is a building constructed for a road to cross natural or artificial barriers, is erected on rivers, lakes and seas, and enables vehicles, pedestrians and the like to smoothly pass through, and generally comprises four basic systems, namely a beam bridge, an arch bridge, a rigid bridge and a suspension cable bearing system, wherein the cable-supported bridge has the advantages of large crossing capacity, light and attractive structure, definite stress, good aerodynamic stability, simple structural form and the like, is one of the most main bridge types for bridge construction, has multiple structural forms, and most bridge cables in the world currently adopt the form of parallel steel wires or parallel steel strand cables.

In order to protect the cable and generally adopt the PE sheath to overlap in the outside of bridge cable, through the many bridge cable PE sheaths to the fracture appear and inspect and sample mechanical test, discover that cable PE sheath fracture has following characteristics: more than 90% bridge cable PE sheath fracture for cyclic annular fracture, cause the rainwater to enter into the inside of PE sheathed tube, contact the cable, will lead to the cable oxidation for a long time, cause the life decline of cable, for this we propose a handle bridge cable body PE sheath structure of resistant environmental stress fracture to solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handle structure that bridge cable body PE sheath is resistant to environmental stress fracture to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a structure for treating environmental stress cracking resistance of a PE sheath of a bridge cable body comprises a stay cable, wherein the outer surface of the stay cable is sleeved with an upper PE sheath section and a lower PE sheath section, the outer surface of the upper PE sheath section is sleeved with a first clamping ring, the outer surface of the lower PE sheath section is sleeved with a second clamping ring, the inner wall of the first clamping ring is fixedly connected with a first rubber ring, the outer surface of the second clamping ring is fixedly connected with a second rubber ring, the outer surface of the stay cable is sleeved with a hose, the left side surface and the right side surface of the hose are respectively fixedly connected with a side surface, close to the first rubber ring and the second rubber ring, two convex plates are placed below the hose, the front surface of each convex plate is provided with first threaded holes which are arranged at equal intervals, the upper surface of each convex plate is fixedly connected with the bottom surface of the hose, and the bottom surfaces of the first rubber ring and the second rubber ring are fixedly connected with the upper surfaces of, two the equal fixedly connected with splint in a side that the flange kept away from each other, every the second screw hole that the equidistance was arranged is all seted up to the upper surface of splint, every the second screw hole all is linked together with first screw hole, the screw that the equidistance was arranged is placed in the place ahead of splint, every the threaded rod of screw all runs through two second screw holes and two first screw holes in proper order and extends to the rear of splint, screw and first screw hole and second screw hole threaded connection.

Preferably, one side face, far away from each other, of each of the first clamping ring and the second clamping ring is fixedly connected with a sealing ring, and the inner walls of the two sealing rings are fixedly connected with the outer surfaces of the upper section of the PE sheath and the lower section of the PE sheath respectively.

Preferably, the outer surface of the hose is sleeved with two reinforcing rings, and one side surface, far away from each other, of each reinforcing ring is fixedly connected with one side surface, close to each other, of each first clamping ring and one side surface, close to each other, of each second clamping ring.

Preferably, the inner wall of the hose is fixedly connected with a protective sleeve, and the protective sleeve is positioned in the middle of the hose.

Preferably, the outer diameters of the first rubber ring and the second rubber ring are equal to the outer diameter of the hose, and the inner diameter of the hose is smaller than the inner diameters of the first rubber ring and the second rubber ring.

Preferably, each of the first threaded holes has the same diameter as the second threaded holes and the pitch is the same.

Advantageous effects

The utility model discloses following beneficial effect has:

1. the PE sheath is protected by the first rubber ring and the second rubber ring when the first clamping ring and the second clamping ring are contracted, the PE sheath is prevented from being damaged when the first clamping ring and the second clamping ring are contracted, the two convex plates are close to each other through the matching of the screws and the first threaded holes and the second threaded holes, the two sides of the hose are driven to be sealed, the cracked part is sealed, and the phenomenon that the oxidation of the stay cable is accelerated due to the fact that rainwater enters the interior of the PE sheath through the cracked part to cause the contact of the stay cable and water and further the service life of the stay cable is shortened is avoided;

2. seal first clamp ring and second clamp ring through the seal ring, avoid appearing the rainwater and appear permeating, cause the inside phenomenon of rainwater infiltration PE sheath to take place to consolidate the hose through being equipped with the reinforcement ring, avoid the hose to appear the obscission when meeting with the strong wind and take place, make splint be close to each other through being equipped with screw and first screw hole and second screw hole, seal hose, first sealing ring and second sealing ring.

Drawings

FIG. 1 is a front view of the hose of the present invention;

FIG. 2 is a cross-sectional view of a front view of the hose of the present invention;

FIG. 3 is a side view of a first rubber ring of the present invention;

fig. 4 is a side view of the hose of the present invention.

In the figure: 1 PE sheath upper segment, 2 sealing rings, 3 first clamp rings, 4 strengthening rings, 5 hoses, 6 second clamp rings, 7 PE sheath lower segments, 8 second threaded holes, 9 screws, 10 clamping plates, 11 first rubber rings, 12 protective sleeves, 13 inhaul cables, 14 second rubber rings, 15 first threaded holes, 16 convex plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a structure for processing environmental stress cracking resistance of a PE sheath of a bridge cable body comprises a stay cable 13, wherein the outer surface of the stay cable 13 is sleeved with an upper section 1 of the PE sheath and a lower section 7 of the PE sheath, the outer surface of the upper section 1 of the PE sheath is sleeved with a first clamping ring 3, one side surface of the first clamping ring 3, which is far away from the second clamping ring 6, is fixedly connected with a sealing ring 2, the inner walls of the two sealing rings 2 are respectively and fixedly connected with the outer surfaces of the upper section 1 of the PE sheath and the lower section 7 of the PE sheath, the first clamping ring 3 is sealed through the sealing ring 2 to avoid rainwater infiltration, the outer surface of the lower section 7 of the PE sheath is sleeved with the second clamping ring 6, the inner wall of the first clamping ring 3 is fixedly connected with a first rubber ring 11, the outer surface of the second clamping ring 6 is fixedly connected with a second rubber ring 14, the outer surface of the stay cable 13 is sleeved with a, the hose 5 is protected, and the hose 5 is prevented from being abraded by the PE sheath upper section 1.

The outer surface of the hose 5 is sleeved with two reinforcing rings 4, one side surface, far away from each other, of each reinforcing ring 4 is fixedly connected with one side surface, close to each other, of each first clamping ring 3 and one side surface, close to each other, of each second clamping ring 6, the hose 5 is reinforced through the reinforcing rings 4, the phenomenon that the hose 5 falls off is avoided, the left side surface and the right side surface of the hose 5 are fixedly connected with one side surface, close to each other, of each first rubber ring 11 and one side surface, close to each other, of each second rubber ring 14, two convex plates 16 are placed below the hose 5, the front surface of each convex plate 16 is provided with first threaded holes 15 which are arranged equidistantly, the upper surface of each convex plate 16 is fixedly connected with the bottom surface of the hose 5, the bottom surfaces of the first rubber ring 11 and the second rubber ring 14 are fixedly connected with the upper surfaces of the convex plates 16, one side surface, far away from each convex plate 16, is fixedly connected with, every second screw hole 8 all is linked together with first screw hole 15, and the screw 9 that the equidistance was arranged is placed in the place ahead of splint 10, and the threaded rod of every screw 9 all runs through two second screw holes 8 and two first screw holes 15 in proper order and extends to the rear of splint 10, screw 9 and first screw hole 15 and second screw hole 8 threaded connection.

The working principle is as follows: pulling the first clamping ring 3 and the second clamping ring 6 to open the first clamping ring 3 and the second clamping ring 6, covering the cracking position of the PE sheath, respectively placing the first clamping ring 3 and the second clamping ring 6 at two sides of the cracking position of the PE sheath, folding the first clamping ring 3 and the second clamping ring 6 to enable the two clamping plates 10 to be close to each other, and sealing the cracking position by penetrating the screw 9 through the first threaded hole 15 and the second threaded hole 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handle bridge cable body PE sheath structure of nai environmental stress fracture, includes cable (13), its characterized in that: the outer surface of the inhaul cable (13) is sleeved with a PE sheath upper section (1) and a PE sheath lower section (7), the outer surface of the PE sheath upper section (1) is sleeved with a first clamping ring (3), the outer surface of the PE sheath lower section (7) is sleeved with a second clamping ring (6), the inner wall of the first clamping ring (3) is fixedly connected with a first rubber ring (11), the outer surface of the second clamping ring (6) is fixedly connected with a second rubber ring (14), the outer surface of the inhaul cable (13) is sleeved with a hose (5), the left side surface and the right side surface of the hose (5) are fixedly connected with a side surface, close to each other, of the first rubber ring (11) and the second rubber ring (14) respectively, two convex plates (16) are placed below the hose (5), each of the front surfaces of the convex plates (16) is provided with first threaded holes (15) which are arranged at equal intervals, and each upper surface of each convex plate (16) is fixedly connected with the bottom surface of the, the bottom surface of first rubber ring (11) and second rubber ring (14) all is connected with the last fixed surface of flange (16), two the equal fixedly connected with splint (10) in a side that flange (16) kept away from each other, every second screw hole (8) that the equidistance was arranged are all seted up to the upper surface of splint (10), every second screw hole (8) all are linked together with first screw hole (15), screw (9) that the equidistance was arranged are placed in the place ahead of splint (10), every the threaded rod of screw (9) all runs through two second screw holes (8) and two first screw holes (15) in proper order and extend to the rear of splint (10), screw (9) and first screw hole (15) and second screw hole (8) threaded connection.

2. The structure for treating the environmental stress cracking resistance of the PE sheath of the bridge cable body according to claim 1, wherein: the side face, far away from each other, of the first clamping ring (3) and the second clamping ring (6) is fixedly connected with a sealing ring (2), and the inner walls of the two sealing rings (2) are fixedly connected with the outer surfaces of the upper section (1) of the PE sheath and the lower section (7) of the PE sheath respectively.

3. The structure for treating the environmental stress cracking resistance of the PE sheath of the bridge cable body according to claim 1, wherein: two reinforcing rings (4) are sleeved on the outer surface of the hose (5), and one side face, far away from each other, of each reinforcing ring (4) is fixedly connected with one side face, close to each other, of each first clamping ring (3) and the corresponding second clamping ring (6).

4. The structure for treating the environmental stress cracking resistance of the PE sheath of the bridge cable body according to claim 1, wherein: the inner wall fixedly connected with protective sheath (12) of hose (5), protective sheath (12) are located the middle part of hose (5).

5. The structure for treating the environmental stress cracking resistance of the PE sheath of the bridge cable body according to claim 1, wherein: the outer diameters of the first rubber ring (11) and the second rubber ring (14) are equal to the outer diameter of the hose (5), and the inner diameter of the hose (5) is smaller than the inner diameters of the first rubber ring (11) and the second rubber ring (14).

6. The structure for treating the environmental stress cracking resistance of the PE sheath of the bridge cable body according to claim 1, wherein: each first threaded hole (15) is equal to the second threaded hole (8) in diameter and has the same pitch.