CN210669390U - Protective structure for underground cable of coal mine - Google Patents

Abstract

The utility model relates to a protective structure for cable in pit of colliery discloses a combined use, can adapt to the cable protection of different length to only need to open a split during cable maintenance and carry out the protective structure that the shrink is folding can make the cable expose. Can be convenient for personnel can not carry out the damage formula to outside protective structure when maintaining the inspection to the cable and destroy. The spherical protective joint is characterized in that the spherical protective joint is arranged at one end of the corrugated protective sleeve and is of a hollow structure, a through hole is formed in the spherical protective joint and is communicated with the corrugated protective sleeve correspondingly, two inner rings are arranged at two ends of the through hole respectively, the inner rings and the spherical protective joint are fixedly connected, a plurality of arc-shaped grooves are formed in the inner rings, a plurality of elastic cushions are arranged at equal angles of the inner rings, a connecting plate is arranged on the inner rings far away from the corrugated protective sleeve and is of an annular plate-shaped structure, the inner rings are connected with the outer rings of the inner rings, and a plurality of screw holes are formed in the connecting plate at equal angles.

Description

Protective structure for underground cable of coal mine

Technical Field

The utility model relates to a protective structure for colliery is cable in pit relates to one kind and carries out the structure protected to cable in the pit, belongs to the coal mine equipment field. In particular to a combined use, which can adapt to the cable protection with different lengths, and only needs to split one part to contract and fold to expose the cable when the cable is maintained.

Background

At present, in carrying out the coal mining process, need provide the electric energy for various relevant equipment in the colliery, and all kinds of equipment room generally adopt the cable as power transmission's instrument, simultaneously because construction environment is complicated in the pit, it adds the plastic sleeve pipe usually in the cable outside to avoid the cable to receive the damage in the construction operation, but this kind of mode need cut the plastic sleeve pipe when maintaining the cable and just can maintain the cable after destroying, it is extremely inconvenient, current cable protection sleeve barrel structure need cut the adjustment according to the protection length of cable when using the installation, unable convenient installation use protects on the cable of different length fast.

Notice No. CN208767733U discloses a cable protection component of colliery machine, including cable protection shell, the first fixed disk of cable protection shell's the first fixed disk of one end fixedly connected with, cable protection shell's other end fixedly connected with second fixed disk, first fixed disk has fixed chassis through first fastening screw swing joint, the second fixed disk has fixed starting point dish through second fastening screw swing joint, cable protection shell's inside wall fixedly connected with weaves and prevents the folded layer, weave one side fixedly connected with filter layer that the cable protection shell was kept away from to the folded layer, this protection component's cable protection shell length is fixed, need cut or benefit long adjustment according to actual cable length when the installation is used, the quick convenient use of not being convenient protects on the cable.

Notice No. CN208673775U discloses a take cable for coal mine of lag, including the lag, the armor, the sealing layer, the insulating layer, the protective layer, the filling layer, interior sheath, the cable core, the armor sets up at the lag inboard, the sealing layer sets up at the armor inboard, the insulating layer sets up at the sealing layer inboard, the protective layer sets up at the insulating layer inboard, the filling layer sets up at the protective layer inboard, interior sheath sets up at the filling layer inboard, the protective layer is inboard including the cable core sets up, the protective sheath material is chlorosulfonated polyethylene, chloroprene rubber and nitrile rubber, the protective sheath material is monoisocyanate, isopropyl palmitate and aluminium oxide, interior sheath material is the pottery polyolefin, the protective sheath of this cable need carry out the formula of damaging with the lag when maintaining and cut open, it is extremely inconvenient.

Disclosure of Invention

In order to improve the condition, the utility model relates to a protective structure for cable under colliery provides a combined use, can adapt to the cable protection of different length to only need during the cable maintenance to open a split and carry out the protective structure that the shrink is folding can make the cable expose. Can be convenient for personnel can not carry out the damage formula to outside protective structure when maintaining the inspection to the cable and destroy.

The utility model relates to a protective structure for colliery is cable in pit is realized like this: the utility model relates to a protective structure for coal mine underground cable, which comprises a flange plate, a through hole, a ripple protective sleeve, a heat dissipation hole, a spherical protective joint, a dustproof net, a connecting plate, an elastic cushion, an inner ring, a through hole and a screw hole, wherein the spherical protective joint is arranged on one end of the ripple protective sleeve, the spherical protective joint is of a hollow structure, the spherical protective joint is provided with the through hole and is communicated with the ripple protective sleeve correspondingly, two inner rings are respectively arranged at two ends of the through hole, the inner ring is fixedly connected with the spherical protective joint, a plurality of arc grooves are arranged on the inner ring, a plurality of elastic cushions are arranged at equal angles of the inner ring, the connecting plate is arranged on the inner ring far away from the ripple protective sleeve, the connecting plate is of an annular plate-shaped structure, the inner ring is connected with the heat dissipation hole of the inner ring, a plurality of screw holes are arranged at equal angles on, the radiating holes are internally provided with dust screens, the flange plate is arranged at the other end of the corrugated protective sleeve, a plurality of through holes are formed in the flange plate, a plurality of through holes are formed in the inner ring at equal angles and are distributed at intervals with a plurality of arc-shaped grooves, and the arc-shaped grooves are communicated with the inner part of the spherical protective joint;

furthermore, the spherical protection joint is provided with a clearance groove and a fixing hole.

Has the beneficial effects.

Firstly, personnel can be convenient for not carrying out damage formula destruction to outside protective structure when maintaining the inspection to the cable.

And secondly, the combined splicing of any length can be carried out, and the cable splicing device is convenient to be applied to cable environments with different lengths.

Drawings

FIG. 1 is a perspective view of a protective structure for a cable under a coal mine;

fig. 2 is a schematic structural view of a protective structure for a coal mine underground cable of the present invention;

FIG. 3 is a perspective view of a flange plate of a protective structure for a cable under a coal mine;

FIG. 4 is a three-dimensional exploded view of the protective structure for the cable under the coal mine of the present invention;

fig. 5 is a perspective view of a protective structure of an embodiment 2 of the utility model for a coal mine underground cable.

In the attached drawings

Wherein the method comprises the following steps: ring flange 1, through-hole 2, ripple lag 3, louvre 4, spherical protection festival 5, dust screen 6, connecting plate 7, cushion 8, inner ring 9, wear to establish hole 10, screw 11, reinforcing bar 12, fixed orifices 13, keep away empty recess 14.

The specific implementation mode is as follows:

example 1

The utility model relates to a protective structure for underground coal mine cables, which is composed of a flange plate 1, a through hole 2, a corrugated protective sleeve 3, a heat dissipation hole 4, a spherical protective joint 5, a dust screen 6, a connecting plate 7, an elastic pad 8, an inner ring 9, a through hole 10 and a screw hole 11, wherein the spherical protective joint 5 is arranged at one end of the corrugated protective sleeve 3, the spherical protective joint 5 is of a hollow structure, the spherical protective joint 5 is provided with a through hole and is correspondingly communicated with the corrugated protective sleeve 3, two inner rings 9 are respectively arranged at two ends of the through hole, the inner rings 9 are fixedly connected with the spherical protective sleeve, the inner ring 9 is provided with a plurality of arc grooves, the inner ring of the inner ring 9 is provided with a plurality of elastic pads 8 at equal angles, the connecting plate 7 is arranged on the inner ring 9 far away from the corrugated protective sleeve 3, the connecting plate 7 is of an annular plate-shaped structure, and the inner ring is connected with the outer ring of, the equal angle of connecting plate 7 is opened has a plurality of screws 11, equal angle of ball-shaped protection festival 5 is opened has multiunit louvre 4, louvre 4 embeds has dust screen 6, and ring flange 1 is arranged in on the other end of ripple lag 3, it has a plurality of through-holes 2 to open on the ring flange 1, equal angle of inner ring 9 is opened has a plurality of holes 10 of wearing to establish, and with a plurality of arc wall interval distribution, arc wall and ball-shaped protection festival 5 are inside to be linked together.

When the cable protective device is used, firstly, protective structures with corresponding quantity are arranged on the cable in a penetrating mode according to the required protective length of the cable, the cable is arranged in the spherical protective joints 5 and the corrugated protective sleeve 3 in a penetrating mode, the protective length of the corrugated protective sleeve 3 is adjusted by pulling the flange plate 1, two adjacent protective structures are in butt joint through the through holes 2 in the flange plate 1 and the screw holes 11 in the connecting plate 7 in cooperation with screws, the spherical protective joints 5 and the flange plate 1 at two ends of the combined protective structure are clamped to avoid sliding on the cable, meanwhile, a person can penetrate through the through holes 10 of the two adjacent spherical protective joints 5 to install the reinforcing steel bars 12, the corrugated protective sleeve 3 is supported and protected through the reinforcing steel bars 12, the structural strength of the corrugated protective sleeve is improved, and accordingly the cable is protected;

the heat dissipation holes 4 are matched with the arc-shaped grooves on the inner ring 9 to dissipate heat of the cable;

when the cable is maintained, the spherical protection joint 5 and the flange plate 1 at one position are detached, and then the corrugated protection sleeve 3 is contracted and folded to expose the cable.

Example 2

The difference between this example and example 1 is: the spherical protection joint is provided with a clearance groove 14 and a fixing hole 13; when in use, the inserting trunk is convenient to use to fix the position of the spherical protection joint 5;

the design that a plurality of elastic cushions 8 are arranged at equal angles on the inner ring of the inner ring 9 can buffer and absorb shock to a certain degree;

the design of a dustproof net 6 is arranged in the heat dissipation holes 4 to prevent external dust from entering;

reach the combined use, can adapt to the cable protection of different length to only need to open a split with a department during cable maintenance and carry out the purpose that the shrink is folded and can make the cable expose.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the present invention, i.e. all equivalent modifications made according to the present invention should be covered by the scope of the present invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (7)

1. The utility model provides a protective structure for colliery is cable in pit which characterized by: by ring flange, through-hole, ripple lag, louvre, spherical protection festival, dust screen, connecting plate, cushion, inner ring, wear to establish the hole and the screw is constituteed, and spherical protection festival arranges one of ripple lag in and serves, spherical protection festival is hollow structure, it has the through hole to open on the spherical protection festival, and communicates with the ripple lag is corresponding, and the both ends of through hole are arranged respectively in to two inner rings, and inner ring and spherical protection connect fixed connection, and the connecting plate is arranged in on keeping away from the inner ring of ripple lag, the connecting plate is annular platelike structure, and the outer lane of inner ring and inner ring is connected, the equidistance is opened on the connecting plate has a plurality of screws, and the ring flange is arranged in on the other end of ripple lag, it has a plurality of through-holes to open on the.

2. The protective structure for the underground cable of the coal mine as claimed in claim 1, wherein the spherical protective joint is provided with a clearance groove and a fixing hole.

3. The protective structure for the underground cable of the coal mine according to claim 1 or 2, wherein a plurality of groups of heat dissipation holes are formed in the spherical protective joint at equal angles.

4. The protective structure for the underground coal mine cable according to claim 3, wherein a dust screen is arranged in the heat dissipation hole.

5. The protective structure for the underground coal mine cable according to claim 1, wherein the inner ring is provided with a plurality of arc-shaped grooves, and the arc-shaped grooves are communicated with the inside of the spherical protective joint.

6. The protective structure for the underground coal mine cable according to claim 1 or 5, wherein a plurality of elastic pads are arranged at equal angles on the inner ring of the inner ring.

7. The protective structure for the underground coal mine cable according to claim 6, wherein the inner ring is provided with a plurality of through holes at equal angles and is distributed at intervals with the plurality of arc-shaped grooves.

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