CN115394484A - Cable with flexible dismounting sheath - Google Patents

Abstract

The invention discloses a cable with a flexible dismounting sheath, which belongs to the field of cables, wherein before installation, a clamping arm and a plurality of externally-wound protection rods are installed outside a cable body which is likely to be dragged, so that an annular protection sheath is formed on the exposed cable body; after the cable is installed, redundant protective sheaths can be adaptively removed according to exposed parts, and part of the sheaths are reserved according to needs, so that the exposed cables are protected and are not easy to damage due to accidental pulling.

Description

Cable with flexible dismounting sheath

Technical Field

The invention relates to the field of cables, in particular to a cable with a flexible dismounting sheath.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of conductors, each group of conductors being insulated from each other and often twisted around a center, and being covered with a highly insulating covering layer, which may be provided with a protective covering layer for transmitting, distributing electrical energy or transmitting electrical signals, and differs from ordinary electric cables mainly in terms of large cable size and complex structure.

The cable always receives to pull and wearing and tearing in the installation, especially when the outdoor installation of environment complicacy, receives to pull the condition of wearing and tearing more serious to after the installation, there is some cables and exposes the condition outside, it receives the accident easily and pulls, and the condition of buckling takes place, the cable condition of electric leakage that breaks appears even easily when serious, has certain potential safety hazard.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a cable with a flexible dismounting sheath, wherein before installation, a clamping arm and a plurality of externally-wound protection rods are installed outside a cable body which is likely to be dragged, so that an annular protection sheath is formed on the exposed cable body; after the cable is installed, redundant protective sheaths can be adaptively removed according to exposed parts, and part of the sheaths are reserved according to needs, so that the exposed cables are protected and are not easy to damage due to accidental pulling.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a cable with nimble dismouting sheath, includes cable body, two correspond each other and establish the restriction ring outside cable body and a plurality of outer guard bar of winding of installing between two restriction rings, the restriction ring includes that bullet links the layer and two arm lock of both ends are controlled to fixed connection at last bullet even layer respectively, arm lock bottom outer end fixedly connected with fixed plate, two pass through bolt fastening between the fixed plate, the arm lock includes the reducing section of decide pole section and fixed connection tip under the decide pole section, two the terminal surface that reducing section is close to each other contacts, and the fixed plate is connected on the decide pole section, two outer ends are all opened chisel about the decide pole section and are had the multilayer groove, the multilayer groove includes interior limit ball groove, crosses pole groove and inlet slot outward, interior limit ball groove is located outer pole inslot side, and inlet slot respectively with interior limit ball groove and outer pole groove and intercommunication, and inlet slot is located the edge of interior limit ball groove below, inlet slot notch portion joint has the sprue, through it has a plurality of corresponding limit ball to wind the inside limit ball groove of two limit ball respectively to the end of the outer guard bar to the interior limit ball groove of ball.

Furthermore, the inner diameters of the sections of the inner ball limiting groove and the ball inlet groove are consistent with the rod limiting ball, and the inner diameter of the section of the inner ball limiting groove is larger than the width of the section of the outer rod passing groove.

Further, it includes elasticity pole portion and two spacing balls of difference fixed connection at elasticity pole portion both ends to wind the guard bar outward, spacing ball and interior ball groove phase-match, elasticity pole portion and outer pole groove phase-match each other of crossing.

Furthermore, when the outer-winding guard bars are arranged between the two limiting rings, the distance between the two adjacent outer-winding guard bars and the number of the outer-winding guard bars are set by changing the number of the limiting bar balls between the two adjacent limiting balls.

Furthermore, only one multilayer groove is drilled on the fixed rod section, the multilayer grooves on the two fixed rod sections on the same limiting ring are opposite in orientation, and a plurality of outer-winding guard rods between two adjacent limiting rings are intensively distributed on the same side.

Furthermore, the outer winding protection rod comprises two outer connecting rods, two limiting balls fixedly connected to the ends, far away from each other, of the outer connecting rods and a bent expansion bag arranged between the two outer connecting rods, an inner mutual ring rod is fixedly connected to the inner part of the bent expansion bag, a liquid storage dislocation rod is arranged in the inner mutual ring rod, and gas production filler is filled in the bent expansion bag.

Furthermore, the curved expansion bag is made of elastic sealing materials, the surface of the curved expansion bag is not in contact with the surface of the cable, and the length of the curved expansion bag is not more than 1/3 of the distance between the two limiting balls.

Further, interior mutual loop pole includes two respectively fixed connection at the even board of outer connecting rod tip and connects a plurality of inner connecting rods between two even boards, it is inboard that liquid dislocation pole is located a plurality of inner connecting rods to deposit liquid dislocation pole both ends respectively with two even boards fixed.

Further, deposit liquid dislocation pole and include that two deposit liquid pipe and fixed connection deposit the central empty ball between the liquid pipe two deposit liquid pipe dislocation and parallel, and two deposit the liquid pipe and lie in same straight line with the tie point of central empty ball, the straight line is perpendicular with two deposit liquid pipes simultaneously, the intraductal saturated packing of central empty ball and deposit liquid has water.

Furthermore, the central hollow ball is close to the inner connecting rod but not contacted with the inner connecting rod, the central hollow ball is made of elastic sealing materials, and the liquid storage pipe is of a hard structure.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) According to the scheme, before installation, the clamping arms and the outer-winding protection rods are installed outside a cable body which is likely to be dragged, so that an annular protection sheath is formed on the exposed cable body, in addition, the number and the distribution density of the outer-winding protection rods can be selectively set according to the change of the environment, the cable protection effect is better, the applicability is wider, compared with the prior art, the cable is effectively protected from being easily influenced by dragging during installation, in addition, when the local part is subjected to larger bending force, the middle part of the outer-winding protection rod rapidly expands, and an air bag is formed on the surface of the cable, so that the protection effect on the cable is improved on one hand, and on the other hand, a worker is effectively reminded of the accidental stress part of the cable; after the cable is installed, redundant protective sheaths can be adaptively removed according to exposed parts, and part of the sheaths are reserved according to needs, so that the exposed cables are protected from being damaged due to accidental pulling.

Drawings

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic perspective view of a confinement ring according to the present invention;

FIG. 3 is a schematic diagram of the front side of a confinement ring according to the present invention;

FIG. 4 is a schematic structural view in partial cross-section of the side of a confinement ring of the present invention;

fig. 5 is a schematic structural view of the front surface of an outer guard bar in embodiment 2 of the present invention;

FIG. 6 is a partial cross-sectional structural view of the inflators of the present invention;

FIG. 7 is a schematic view of the curved balloon of the present invention inflated by excessive bending force;

FIG. 8 is a structural diagram illustrating a variation process of the liquid storage dislocation bar of the present invention;

FIG. 9 is a schematic structural view in use in embodiment 3 of the present invention;

FIG. 10 is a schematic diagram of a confinement ring of trial 3 of the present invention;

the reference numbers in the figures illustrate:

the device comprises a 1-upper elastic connecting layer, a 2-clamp arm, a 21-fixed rod section, a 22-variable diameter section, a 3-outer winding protection rod, a 31-limiting ball, a 32-outer connecting rod, a 33-bend expansion bag, a 4-fixed plate, a 5-block, a 6-multilayer groove, a 61-inner ball-limiting groove, a 62-outer rod-passing groove, a 63-ball-inlet groove, a 7-limiting ball, a 81-connecting plate, a 82-inner connecting rod, a 9-liquid-storing dislocation rod, a 91-center hollow ball and a 92-liquid-storing pipe.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a shows a cable body, a cable with a flexible detachable sheath comprises a cable body, two limiting rings which are corresponding to each other and sleeved outside the cable body, and a plurality of outer-wound protection rods 3 installed between the two limiting rings, wherein the limiting rings comprise an upper elastic connection layer 1 and two clamping arms 2 which are fixedly connected to the left end and the right end of the upper elastic connection layer 1 respectively, the outer ends of the bottoms of the clamping arms 2 are fixedly connected with fixing plates 4, the two fixing plates 4 are fixed by bolts, the clamping arms 2 comprise fixing rod sections 21 and diameter-changing sections 22 fixedly connected to the lower ends of the fixing rod sections 21, the elasticity of the upper elastic connection layer 1 and the diameter-changing sections 22 enables the limiting rings to adapt to cables with various sizes, the application range is wider, the end surfaces of the two diameter-changing sections 22 which are close to each other are in contact with each other, the fixing plates 4 are connected to the fixing rod sections 21, the left end and the right end of the fixing rod sections 21 are both provided with a plurality of grooves 6, when in use, the plurality of outer-wound protection rods 3 are firstly placed between the multi-layer grooves 6 on the two limiting rings, so that the two limiting rings can be installed according to the requirements, and the number of the limiting rings can be selected.

As shown in fig. 4, the multilayer groove 6 includes an inner ball-limiting groove 61, an outer rod-passing groove 62 and a ball-entering groove 63, the inner ball-limiting groove 61 is located inside the outer rod-passing groove 62, the ball-entering groove 63 is respectively perpendicular to and communicated with the inner ball-limiting groove 61 and the outer rod-passing groove 62, the ball-entering groove 63 is located at the edge below the inner ball-limiting groove 61, a blocking block 5 is clamped at the mouth of the ball-entering groove 63, the blocking block 5 is used for limiting the rod-limiting balls 7 in the inner ball-limiting groove 61 from rolling off from the ball-entering groove 63, and after the outer protective rod 3 is installed, referring to fig. 3, a plurality of rod-limiting balls 7 are filled in the inner ball-limiting groove 61 through the ball-entering groove 63, and two end portions of the outer protective rod 3 respectively extend into the corresponding two inner ball-limiting grooves 61.

The inner diameter of the cross section of the inner ball limiting groove 61 and the inner diameter of the cross section of the ball inlet groove 63 are consistent with that of the rod limiting ball 7, and the inner diameter of the cross section of the inner ball limiting groove 61 is larger than the width of the cross section of the outer rod passing groove 62, so that a plurality of rod limiting balls 7 can only pass through the inner ball limiting groove 61

Outer winding protect pole 3 includes elastic rod portion and two spacing balls 31 of difference fixed connection at elastic rod portion both ends, spacing ball 31 diameter is unanimous with spacing pole ball 7, when making it put into multilayer groove 6, difficult emergence is removed, spacing ball 31 and interior spacing ball groove 61 phase-match, elastic rod portion and outer pole groove 62 match each other, make the installation outer around protect pole 3 back, under spacing ball 31 limiting displacement, outer winding protect pole 3 can be relatively stable inject in multilayer groove 6, make the protection effect to the cable better.

When outer round guard bar 3 was installed between two limit rings, the distance between two adjacent outer round guard bar 3 and the number of outer round guard bar 3 set up through changing the number of limit pole ball 7 between two adjacent limit ball 31, according to actual service environment, the distribution density of alternative control limit ball 31, for example, it is obvious in the unsmooth condition in outdoor ground, the friction damage possibility that causes the cable is bigger, under this condition, controllable two are outer round do not place limit pole ball 7 between guard bar 3, or place few limit pole ball 7, it is big to make a plurality of outer round guard bar 3 densities, the guard action to the cable is better, when indoor use, can be selective increase outer round guard bar 3's distribution density.

In addition, it is worth noting that when the length of the inner limiting ball groove 61 is set, after an integral number of limiting rod balls 7 are placed, no redundant space exists, or only errors within 3mm exist, when a plurality of outer-surrounding protective rods 3 are placed between two limiting rings, stability is better, and protection effect on cables is better.

Before the installation, this external installation arm lock 2 of cable that will probably take place to pull and a plurality of outer fender rod 3 of winding to forming annular protection sheath to naked cable body, in addition, according to the change of environment, the number and the distribution density of optional outer fender rod 3 of winding that set up, and then make better cable protection effect, the suitability is wider, compares in prior art, effectively protects the influence that the cable was difficult for receiving when installing and pulls.

Example 2:

referring to fig. 5, the outer-winding protection rod 3 includes two outer connecting rods 32, two limiting balls 31 respectively fixedly connected to ends of the outer connecting rods 32, which are far away from each other, and a bending expansion bag 33 disposed between the two outer connecting rods 32, an inner mutual-loop rod is fixedly connected to the inside of the bending expansion bag 33, the inner mutual-loop rod effectively ensures the strength of the whole outer-winding protection rod 3, so that the bending range is not easily too large when the outer-winding protection rod is accidentally bent, the cable is better protected, a liquid storage dislocation rod 9 is disposed in the inner mutual-loop rod, a gas generating filler is filled in the bending expansion bag 33, the gas generating filler is effervescent tablet particles, and a large amount of gas can be generated when the inner-winding protection rod encounters water.

In addition, the outer connecting rod 32 and the inner connecting rod 82 are made of elastic materials, so that the outer connecting rod and the inner connecting rod can be bent to a certain extent, and meanwhile, the bending limits of the outer connecting rod and the inner connecting rod are smaller than that of the cable, so that the situation that the cable is not easily protected badly due to too large bending when an unexpected bending force is applied is effectively guaranteed. The elastic rod portion in embodiment 1 is made of the same material as that used for the outer link 32 and the inner link 82.

The curved bag 33 that expands is made for elastic sealing material, and the curved bag 33 surface that expands not with cable surface contact, the length of the curved bag 33 that expands is not more than 1/3 of distance between two spacing balls 31, makes and receive unexpected pulling force and lead to buckling, perhaps when installing and receiving great bending force when dragging, the difficult undersize of protection range to the cable behind the curved bag 33 inflation makes the guard effect better.

Referring to fig. 6, the inner interlinking rod includes two connecting plates 81 fixedly connected to the ends of the outer connecting rods 32, respectively, and a plurality of inner connecting rods 82 connected between the two connecting plates 81, the liquid storage dislocation rod 9 is located inside the plurality of inner connecting rods 82, and both ends of the liquid storage dislocation rod 9 are fixed to the two connecting plates 81, respectively.

Referring to fig. 8, the liquid storage dislocation bar 9 includes two liquid storage tubes 92 and a central hollow ball 91 fixedly connected between the two liquid storage tubes 92, the central hollow ball 91 is communicated with the liquid storage tubes 92, the two liquid storage tubes 92 are dislocated and parallel, connection points of the two liquid storage tubes 92 and the central hollow ball 91 are located on the same straight line, the straight line is perpendicular to the two liquid storage tubes 92, and the central hollow ball 91 and the liquid storage tubes 92 are filled with water in a saturated manner.

The central hollow ball 91 is close to the inner connecting rod 82 but not contacted with the inner connecting rod 82, and the central hollow ball 91 is made of elastic sealing material, so that when the central hollow ball 91 is not subjected to bending force, the central hollow ball is not easily extruded by the inner connecting rod 82, meanwhile, when the central hollow ball is subjected to larger bending force, the inner connecting rod 82 is deformed and can act on the central hollow ball 91, when the bending angle is overlarge, the central hollow ball 91 is extruded and broken, water in the central hollow ball overflows, and on one hand, the central hollow ball is contacted with gas-generating filler to generate gas, so that the bending expansion bag 33 expands to form an air cushion, when the central hollow ball is continuously dragged, the protection effect on the cable is better, the liquid storage tube 92 is of a hard structure, the position of the central hollow ball 91 is relatively fixed, the relative displacement of the cable due to bending is not easy, and further the deformed inner connecting rod 82 can generate extrusion force on the cable.

In this embodiment, the specific arrangement of the outer shroud ring 3 is different from that of embodiment 1, and the rest is the same as that.

Before installation, the clamping arms 2 and the outer-wound protection rods 3 are installed outside the cable body which is likely to drag, so that an annular protection sheath is formed on the exposed cable body, in addition, the number and the distribution density of the outer-wound protection rods 3 can be selectively set according to the change of the environment, the cable protection effect is better, the applicability is wider, compared with the prior art, the cable is effectively protected and is not easily affected by dragging during installation, as shown in fig. 7, in addition, when a local part is subjected to larger bending force, the middle parts of the outer-wound protection rods 3 are rapidly expanded, and an air bag is formed on the surface of the cable, so that the protection effect on the cable is improved on one hand, and on the other hand, workers are effectively reminded of accidental stress parts of the cable; after the cable is installed, redundant protective sheaths can be adaptively removed according to exposed parts, and part of the sheaths are reserved according to needs, so that the exposed cables are protected and are not easy to damage due to accidental pulling.

Example 3:

referring to fig. 9-10, the fixed rod segments 21 are only drilled with one multi-layer groove 6, and the multi-layer grooves 6 on two fixed rod segments 21 on the same limiting ring are oppositely oriented, and the plurality of outer-surrounding guard rods 3 between two adjacent limiting rings are intensively distributed on the same side.

The present embodiment differs from embodiments 1 and 2 only in the arrangement direction of the multilayer grooves 6 on the fixed rod segment 21, and the specific structural arrangement of the outer-wound guard rod 3 can be selected as required to be consistent with embodiment 1 or consistent with embodiment 2.

In this embodiment, because a plurality of outer protective rod 3 that wind concentrate on one side, therefore the ground that is applicable to the installation environment is relatively smooth, and the friction damage that causes the cable is limited, simultaneously, concentrates the setting of one side, has simplified the operation process that limit ring and outer protective rod 3 installed on the cable body, and convenience of use is better.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a cable with nimble dismouting sheath, includes cable body, two correspond each other and overlap and establish the outside restriction ring and a plurality of the outer protective rod (3) of winding of installing between two restriction rings of cable body, its characterized in that: the limiting ring comprises an upper elastic connecting layer (1) and two clamping arms (2) which are respectively and fixedly connected with the left end and the right end of the upper elastic connecting layer (1), the outer end of the bottom of the clamping arm (2) is fixedly connected with a fixed plate (4), the two fixed plates (4) are fixed by bolts, the clamping arm (2) comprises a fixed rod section (21) and a reducing section (22) fixedly connected to the lower end part of the fixed rod section (21), the end surfaces of the two reducing sections (22) close to each other are contacted with each other, the fixed plate (4) is connected on the fixed rod section (21), the left and right outer ends of the fixed rod section (21) are both provided with a plurality of layers of grooves (6), the multilayer groove (6) comprises an inner ball limiting groove (61), an outer rod passing groove (62) and a ball inlet groove (63), the inner ball limiting groove (61) is positioned at the inner side of the outer rod passing groove (62), the ball inlet groove (63) is respectively vertical and communicated with the inner ball limiting groove (61) and the outer rod passing groove (62), the ball inlet groove (63) is positioned at the edge below the inner ball limiting groove (61), the blocking block (5) is clamped at the opening part of the ball inlet groove (63), a plurality of rod limiting balls (7) are filled in the inner ball limiting groove (61) through the ball inlet groove (63), two ends of the outer winding protection rod (3) respectively extend into the two corresponding inner ball limiting grooves (61).

2. The cable with the flexible removable sheath of claim 1, wherein: the inner diameters of the sections of the inner ball limiting groove (61) and the ball inlet groove (63) are consistent with the inner diameter of the section of the rod limiting ball (7), and the inner diameter of the section of the inner ball limiting groove (61) is larger than the width of the section of the outer rod passing groove (62).

3. The cable with the flexible removable sheath of claim 2, wherein: the outer-winding guard bar (3) comprises an elastic bar part and two limiting balls (31) fixedly connected to two ends of the elastic bar part respectively, the limiting balls (31) are matched with the inner limiting ball grooves (61), and the elastic bar part is matched with the outer passing bar grooves (62) mutually.

4. A cable with a flexible boot according to claim 3, wherein: when the outer winding protection rods (3) are arranged between the two limiting rings, the distance between every two adjacent outer winding protection rods (3) and the number of the outer winding protection rods (3) are set by changing the number of the limiting rod balls (7) between every two adjacent limiting balls (31).

5. The cable with the flexible removable sheath of claim 1, wherein: the fixed rod sections (21) are only provided with one multilayer groove (6), the multilayer grooves (6) on the two fixed rod sections (21) on the same limiting ring are oppositely oriented, and a plurality of outer-surrounding guard rods (3) between the two adjacent limiting rings are intensively distributed on the same side.

6. The cable with the flexible removable sheath of claim 1, wherein: outer around guard bar (3) include two outer connecting rods (32), two respectively fixed connection keep away from spacing ball (31) of one end each other and set up curved bloated bag (33) between two outer connecting rods (32) at outer connecting rod (32), mutual loop pole in the fixedly connected with in the curved bloated bag (33), be equipped with in the mutual loop pole and deposit liquid dislocation pole (9), curved bloated bag (33) intussuseption is filled with gas production and packs.

7. The cable with the flexible removable sheath of claim 6, wherein: the bending expansion bag (33) is made of elastic sealing materials, the surface of the bending expansion bag (33) is not in contact with the surface of the cable, and the length of the bending expansion bag (33) is not more than 1/3 of the distance between the two limiting balls (31).

8. The cable with the flexible removable sheath of claim 6, wherein: the inner interlinking rod comprises two connecting plates (81) fixedly connected to the end portions of the outer connecting rods (32) respectively and a plurality of inner connecting rods (82) connected between the two connecting plates (81), the liquid storage dislocation rod (9) is located on the inner sides of the plurality of inner connecting rods (82), and two ends of the liquid storage dislocation rod (9) are fixed with the two connecting plates (81) respectively.

9. The cable with the flexible removable sheath of claim 8, wherein: deposit liquid dislocation pole (9) including two deposit liquid pipe (92) and central empty ball (91) of fixed connection between two deposit liquid pipe (92), two deposit liquid pipe (92) dislocation and parallel, and two deposit liquid pipe (92) and central empty ball (91) the tie point be located same straight line, the straight line is perpendicular with two deposit liquid pipe (92) simultaneously, central empty ball (91) and deposit liquid pipe (92) saturation are filled with water.

10. The cable with the flexible removable sheath of claim 9, wherein: the central hollow ball (91) is close to the inner connecting rod (82) but not contacted with the inner connecting rod (82), the central hollow ball (91) is made of elastic sealing materials, and the liquid storage pipe (92) is of a hard structure.

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