CN219527337U - Cable junction protection external member - Google Patents

Abstract

The utility model relates to the field of bridge cable construction, in particular to a cable junction protection sleeve, which comprises a cable head, an outer shell and a built-in mechanism, wherein the outer shell is arranged in an isosceles trapezoid shape and consists of a lower shell and an upper shell, the upper shell is hinged with one side of the lower shell, the other side of the upper shell is fixedly connected with the other side of the lower shell through bolts, a mounting cavity is formed in the upper shell and the lower shell, the cable head is inserted into the mounting cavity, the built-in mechanism comprises an elastic component and four groups of protection components, the four groups of protection components are symmetrically arranged on two sides in the mounting cavity in a two-by-two and fixedly arranged manner, and the elastic component is arranged in the middle of the mounting cavity in a sliding manner.

Description

Cable junction protection external member

Technical Field

The utility model relates to the field of bridge cable construction, in particular to a cable joint protection sleeve.

Background

The cable system of the large-span bridge is a main bearing structure of a suspension bridge, a cable-stayed bridge and an arch suspension bridge, and is under a ring crossing a river, a lake and a sea and bearing force, bears dynamic load and static load and is exposed in a weather, humid and polluted air environment for a long time, and the cable system has metal abrasion, fatigue corrosion and metal corrosion, so that the safety of the bridge and the cable structure is ensured, and the cable is required to be subjected to wear resistance and corrosion protection.

Chinese patent application number: cn 20222178254. X, publication date: 2022.11.22 has proposed a cable with dehumidification function, including strand subassembly and protective housing, the strand subassembly includes a plurality of strands and two gas pipeline, a plurality of contact each other between the strand, two gas pipeline with the strand contacts, just the cross-sectional shape of strand subassembly is regular hexagon, the protective housing parcel is in outside the strand subassembly, still includes a plurality of stoppers, one side of stopper with the outside contact of strand subassembly, the opposite side with the inner wall connection of protective housing.

The two gas pipelines proposed in the above case are symmetrically arranged at two sides of the strand group, but for the middle strand, less air is permeated, and gaps are blocked by strands at two ends, so that ventilation is uneven, corrosion still occurs, meanwhile, the design is compact, so that the strands are tightly attached to the protective shell, a movable buffer space is lacked, and after the cable is blown or rocked, abrasion, particularly the strand connection position, is very easy to cause, so that a cable connection position protection sleeve member is necessary to be designed.

Disclosure of Invention

The utility model aims to provide a cable joint protection sleeve.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a cable junction protection external member, including cable head, shell cover and built-in mechanism, the shell body is isosceles trapezoid shape setting, and the shell cover comprises lower casing and last casing, it articulates the setting with one side of lower casing to go up the casing, and go up the opposite side of casing and lower casing and pass through bolt fixed connection, it is equipped with the installation cavity with lower casing inside to go up the casing, cable head peg graft in the installation cavity, built-in mechanism includes elastic component and four sets of protection components, four sets of protection components two liang symmetries and fixed the setting in the inside both sides of installation cavity, elastic component slides and sets up in the installation cavity middle part.

Preferably, the two sides of the inner parts of the upper shell and the lower shell are symmetrically provided with arc grooves with the arc length of 90 degrees, and the two ends of the cable head are inserted into the corresponding two groups of arc grooves.

Preferably, each group of protection components comprises a soft foam layer, a first steel arc plate and a second steel arc plate, wherein the first steel arc plate is fixedly arranged in the corresponding arc groove in a fitting manner, the soft foam layer is fixedly arranged on the inner side of the first steel arc plate, and the second steel arc plate is fixedly arranged in the soft foam layer.

Preferably, the inner wall of the second steel arc plate is fixedly attached with an anti-corrosion layer, and the anti-corrosion layer is wrapped on one side of the end part of the cable head.

Preferably, the elastic component comprises two elastic plates, one ends of the two elastic plates are welded and arranged, and the two elastic plates are arranged in the mounting cavity in a V shape and positioned between the two groups of arc-shaped grooves.

Preferably, a plurality of return springs are arranged between the two elastic plates, and the plurality of return springs are welded between the two elastic plates in a linear array mode.

Preferably, the bottom of the installation cavity is provided with two limiting arc grooves in a linear arrangement mode, two sliding blocks are integrally formed at the bottom of the elastic plate, and two groups of sliding blocks are in limiting sliding connection with the corresponding two limiting arc grooves.

The utility model has the beneficial effects that:

1. two ends of the cable head are clamped in semicircular arc-shaped grooves at two sides of the inner part of the mounting cavity, the outer parts of the two ends of the cable head are clung to one side corresponding to the two elastic plates, and the two elastic plates play a limiting role on the cable head, so that the cable head is clamped in the arc-shaped grooves and is not easy to shift;

2. the anticorrosive layers which are tightly attached to the cable heads in the arc-shaped grooves on the two sides of the mounting cavity can absorb moisture and impurities on the cable heads, so that the possibility of corrosion and rust of the cable heads is effectively reduced, and the service life of the cable heads is prolonged;

3. when the two ends of the cable head are extruded to the two sides, the cable head drives the second steel arc plate to extrude the first steel arc plate through the anti-corrosion layer, so that a soft foam layer between the first steel arc plate and the second steel arc plate is extruded, the buffer effect is achieved, and the abrasion of the cable head is reduced;

4. when the both ends of cable head are to inside both sides extrusion, the both ends of cable head are through extrusion elastic plate, and a plurality of reset springs between two elastic plates play the cushioning effect, have reached elasticity buffering effect, and two sets of sliders slide in two spacing arc inslot that correspond this moment, and two spacing arc inslot also play the effect spacing to two elastic plates.

According to the cable head protection sleeve member, the cable head at the joint of the cable is protected, the cable head can be protected from corrosion and elasticity, the cable head is quickly installed, the wear and the corruption of the cable are reduced, and the service life of the cable is prolonged.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description briefly describes the drawings in the embodiments of the present utility model.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of an opened top case of the present utility model;

FIG. 3 is a schematic view illustrating the disassembly of the lower housing and the protection component of the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is a schematic diagram illustrating the separation of the lower housing and the elastic member;

in the figure:

a cable head 1;

the outer shell 2, the lower shell 20, the limiting arc groove 200, the arc groove 201, the upper shell 21 and the mounting cavity 22;

a built-in mechanism 3;

an elastic assembly 30, an elastic plate 300, a slider 3000, and a return spring 301;

the protective component 31, the soft foam layer 310, the first steel arc plate 311, the second steel arc plate 312 and the anti-corrosion layer 313.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced in size and do not represent the actual product dimensions.

Referring to fig. 1 to 2, a cable junction protection kit is shown, including a cable head 1, an outer shell 2 and a built-in mechanism 3, the outer shell is isosceles trapezoid-shaped, and the outer shell 2 is composed of a lower shell 20 and an upper shell 21, the upper shell 21 is hinged with one side of the lower shell 20, and the upper shell 21 is fixedly connected with the other side of the lower shell 20 through bolts, a mounting cavity 22 is arranged inside the upper shell 21 and the lower shell 20, the cable head 1 is inserted into the mounting cavity 22, the built-in mechanism 3 comprises an elastic component 30 and four groups of protection components 31, the four groups of protection components 31 are symmetrically arranged at two sides inside the mounting cavity 22 in pairs and fixedly, and the elastic component 30 is slidably arranged in the middle of the mounting cavity 22.

Referring to fig. 1 to 3, two sides of the inner parts of the upper shell 21 and the lower shell 20 are symmetrically provided with arc grooves 201 with an arc length of 90 degrees, two ends of the cable head 1 are inserted into the corresponding two groups of arc grooves 201, the arc grooves 201 provide clamping spaces for the cable head 1, and meanwhile, the four arc grooves 201 on two sides of the inner parts of the upper shell 21 and the lower shell 20 are detachable, so that the cable head 1 can be conveniently disassembled.

Referring to fig. 1 to 4, each group of protection components 31 includes a soft foam layer 310, a first steel arc plate 311 and a second steel arc plate 312, the soft foam layer 310 is located between the first steel arc plate 311 and the second steel arc plate 312, plays a role in transitional connection, the first steel arc plate 311 is fixedly attached to the corresponding arc groove 201, the soft foam layer 310 is fixedly arranged on the inner side of the first steel arc plate 311, the second steel arc plate 312 is fixedly arranged in the soft foam layer 310, and when the cable head 1 extrudes the second steel arc plate 312, the second steel arc plate 312 extrudes the foam layer, so that the buffer purpose is achieved, and the cable head 1 is protected.

And the inside second steel arc plate 312 inner wall is fixed to be laminated and is equipped with anticorrosive coating 313, and anticorrosive coating 313 parcel is in end one side of cable head 1, and second steel arc plate 312 is for anticorrosive coating 313 plays the effect of connecting the carrier, and anticorrosive coating 313 and cable head 1 hugs closely the setting, can absorb the moisture on the cable head 1, has effectively reduced cable head 1 and has putrefactive rusty possibility.

Referring to fig. 1, 2 and 5, the elastic assembly 30 includes two elastic plates 300, one ends of the two elastic plates 300 are welded, and the two elastic plates 300 are V-shaped and disposed in the mounting cavity 22 and between the two groups of arc grooves 201, and the two elastic plates 300 play a limiting role on two ends of the cable head 1 and also have elasticity, so that the cable head 1 plays a role of elastic buffering when shaking, and abrasion of the cable head 1 is effectively reduced.

Referring to fig. 2 and 5, a plurality of return springs 301 are disposed between two elastic plates 300, and the plurality of return springs 301 are welded between the two elastic plates 300 in a linear array, wherein the return springs 301 supplement the two elastic plates 300, serve to strengthen the two elastic plates 300, and protect the two elastic plates 300 from extrusion deformation.

The installation cavity 22 bottom is the spacing arc groove 200 of straight line arrangement form of twice, and two equal integrated into one piece in two elastic plates 300 bottoms are equipped with two sliders 3000, and two sets of sliders 3000 limit sliding connection with corresponding two spacing arc grooves 200, two sliders 3000 limit sliding connection with spacing arc groove 200, and is indirect spacing to two elastic plates 300, avoids the displacement of elastic plate 300 even to drop.

Working principle: the two ends of the cable head 1 are externally arranged in the semicircular arc-shaped grooves 201 on two sides of the mounting cavity 22, the two ends of the cable head 1 are tightly attached to the corresponding two elastic plates 300, then the upper shell 21 is closed, the upper shell 21 is fixedly mounted on the lower shell 20 through bolts, the anti-corrosion layer 313 which is tightly attached to the cable head 1 in the arc-shaped grooves 201 can absorb moisture on the cable head 1, when the two ends of the cable head 1 are extruded to two sides, the cable head 1 drives the second steel arc plates 312 to extrude the first steel arc plates 311 through the anti-corrosion layer 313, and then the soft bubble layer 310 between the first steel arc plates 311 and the second steel arc plates 312 is extruded, so that the buffer effect is achieved, when the two ends of the cable head 1 are extruded to two sides inside, the elastic plates 300 are extruded, the plurality of reset springs 301 between the two elastic plates 300 play a role in buffering, the elastic buffer effect is achieved, and at the moment, the two groups of sliding blocks 3000 slide in the corresponding two limiting arc grooves 200.

Claims (7)

1. The utility model provides a cable junction protection external member, includes cable head (1), shell cover (2) and built-in mechanism (3), its characterized in that, the shell cover is isosceles trapezoid shape setting, and shell cover (2) are by lower casing (20) and last casing (21) are constituteed, one side of going up casing (21) and lower casing (20) articulates the setting, and go up casing (21) and the opposite side of lower casing (20) through bolt fixed connection, go up casing (21) and the inside installation cavity (22) that are equipped with of lower casing (20), cable head (1) are pegged graft in installation cavity (22), built-in mechanism (3) are including elastic component (30) and four groups protection component (31), four groups protection component (31) two liang symmetries and fixed the setting in the inside both sides of installation cavity (22), elastic component (30) slide and set up in installation cavity (22) middle part.

2. The cable joint protection kit according to claim 1, wherein the two sides of the inner part of the upper shell (21) and the lower shell (20) are symmetrically provided with arc-shaped grooves (201) with an arc length of 90 degrees, and two ends of the cable head (1) are inserted into the corresponding two groups of arc-shaped grooves (201).

3. The cable joint protection kit according to claim 2, wherein each group of protection components (31) comprises a soft foam layer (310), a first steel arc plate (311) and a second steel arc plate (312), the first steel arc plate (311) is fixedly arranged in the corresponding arc groove (201) in a fitting manner, the soft foam layer (310) is fixedly arranged on the inner side of the first steel arc plate (311), and the second steel arc plate (312) is fixedly arranged in the soft foam layer (310).

4. A cable joint protection kit according to claim 3, wherein an anti-corrosion layer (313) is fixedly attached to the inner wall of the second steel arc plate (312), and the anti-corrosion layer (313) is wrapped on one side of the end of the cable head (1).

5. The cable joint protection kit according to claim 4, wherein the elastic assembly (30) comprises two elastic plates (300), one ends of the two elastic plates (300) are welded, and the two elastic plates (300) are arranged in the mounting cavity (22) in a V-shape and are positioned between the two groups of arc-shaped grooves (201).

6. The cable joint protection kit according to claim 5, wherein a plurality of return springs (301) are arranged between the two elastic plates (300), and the plurality of return springs (301) are welded in a linear array between the two elastic plates (300).

7. The cable joint protection kit according to claim 6, wherein two limiting arc grooves (200) are arranged at the bottom of the installation cavity (22) in a straight line, two sliding blocks (3000) are integrally formed at the bottoms of the two elastic plates (300), and the two sliding blocks (3000) are in limiting sliding connection with the corresponding two limiting arc grooves (200).