CN219304412U - Protection device for wall-penetrating cable - Google Patents

Abstract

The utility model relates to a protection device for a wall-penetrating cable, which comprises: the two semicircular pipes can be enclosed to form a protection pipe; the fixing devices are used for fixing the two semicircular pipes; the cable is arranged in a protection pipe formed by surrounding two semicircular pipes, the at least two sealing rings are arranged in the protection pipe, the inner diameter of the at least two sealing rings is matched with the diameter of the cable, and the outer diameter of the at least two sealing rings is matched with the inner diameter of the protection pipe; the at least two sealing rings are respectively arranged at the two ends of the protection tube, a sealing space is arranged between the at least two sealing rings, and a detection device for detecting whether wind passes through the sealing space is arranged in the sealing space. According to the utility model, the cable is fixed through the two semicircular pipes, and the cable and the two semicircular pipes are sealed through the at least two sealing rings, so that the ventilation of gas inside and outside a coal mine is prevented, and the health of workers is influenced.

Description

Protection device for wall-penetrating cable

Technical Field

The utility model relates to the technical field of cables, in particular to a protection device for a wall-penetrating cable.

Background

Cables such as underground cables, signal wires, detection beam tubes and the like of coal mines often need to pass through walls such as air door walls. The current cable wall-penetrating arrangement method mainly comprises three modes of direct embedding, reserved hole arrangement and later hole punching arrangement. The length of the cable is longer, the arrangement of the reserved holes and the later chiseling needs to enable the long cable to pass through the holes, time and labor are wasted, and the cable is buried directly during the construction.

In the prior art, a protection pipe is sleeved on the cable to be placed in a wall body, and yellow mud is used for caulking in the later stage to prevent the wall body from leaking out. But the yellow mud is easy to crack after being dried to cause air leakage, a plurality of inflammable and explosive gases exist under the coal mine, oxygen enters the coal mine to easily cause explosion, and the air discharge under the coal mine causes the turbulence of an air flow system under the coal mine and pollutes the environment.

Therefore, there is a need for a through-wall cable protection tube that can prevent air leakage.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a protection device for a wall-penetrating cable, which solves the technical problem of air leakage caused by yellow mud cracking in the prior art.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a wall-penetrating cable protection device comprising:

two semicircular pipes which can be enclosed to form a protection pipe;

a plurality of fixing devices for fixing the two semicircular pipes;

the cable and the at least two sealing rings are both arranged in the protection tube formed by surrounding the two semicircular tubes, the inner diameter of the at least two sealing rings is matched with the diameter of the cable, and the outer diameter of the at least two sealing rings is matched with the inner diameter of the protection tube;

the at least two sealing rings are respectively arranged at two ends of the protection tube, a sealing space is formed between the at least two sealing rings at two ends and the protection tube, and a detection device for detecting whether wind passes through the sealing space is arranged in the sealing space.

Preferably, the sealing device further comprises at least two sealing strips, wherein the at least two sealing strips are respectively arranged between the butt joint surfaces of the two semicircular pipes.

Preferably, the bottoms of the two semicircular tubes are hinged.

Preferably, each of the fixing devices comprises two U-shaped fixing buckles capable of being rounded to fix the two semicircular pipes.

Preferably, each fixing device further comprises a binding belt, and the binding belts are sleeved on the two semicircular pipes.

Preferably, the detecting device comprises an annular detecting film and at least two infrared sensors, wherein the annular detecting film is used for detecting the tightness of the sealed space, the outer circumference of the detecting film is in sealing connection with the protection tube, the inner circumference of the detecting film is in sealing connection with the cable, and the detecting film can deform under the action of wind force;

the at least two infrared sensors are respectively arranged on two sides of the detection film and are arranged at intervals with the detection film, and are used for detecting deformation of the detection film.

Preferably, the device further comprises two alarms which are respectively arranged in and out of the coal mine and are respectively in communication connection with the infrared sensors arranged on two sides of the detection film.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the cable is fixed through the two semicircular pipes, and the cable and the two semicircular pipes are sealed through the at least two sealing rings, so that the ventilation of gas inside and outside a coal mine is prevented, and the health of workers is influenced.

(2) According to the utility model, whether wind passes through the protection tube or not is detected by the detection device, so that workers are reminded, and the detection device can timely respond to the wind leakage, thereby preventing the safety of the workers from being threatened.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a protection device for a wall-penetrating cable in embodiment 1 of the present utility model;

fig. 2 is a schematic diagram showing the internal structure of a protection device for a wall-penetrating cable in embodiment 1 of the present utility model;

fig. 3 is a schematic diagram illustrating a state of air leakage at one side of the protection device of the through-wall cable in embodiment 1 of the present utility model;

fig. 4 is a schematic view showing the internal structure of the protection device for a wall-penetrating cable in embodiment 2 of the present utility model;

fig. 5 is a schematic view showing the internal structure of the second seal ring in embodiment 2 of the present utility model.

[ reference numerals description ]

1: a semicircular tube; 2: a seal ring; 3: sealing the space; 4: an infrared sensor; 5: a detection membrane; 6: a cable; 7: u-shaped fixing buckles; 8: a tie; 9: a cone; 10: sealing the container; 11: a top block; 21: a second seal ring; 22: a first seal ring; 101: a connection part; 102: a plastic film.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Example 1

As shown in fig. 1, a protection device for a wall-penetrating cable includes: two semicircle pipes 1, two semicircle pipes 1 can enclose the synthetic protection pipe.

In the prior art, the cable 6 has a length of hundreds of meters or even thousands of meters, and the cable 6 can be directly placed between the two semicircular pipes 1 through the two semicircular pipes 1, so that the cable 6 does not need to be threaded from one end to the other end, the threading time is shortened, and the working efficiency is improved.

In this embodiment, the bottoms of the two semicircular pipes 1 are hinged to facilitate fixing the two semicircular pipes 1. The two semicircular pipes 1 are not connected, and only when the two semicircular pipes 1 are installed and placed in a wall body, the two semicircular pipes 1 are aligned to form a protection pipe.

As shown in fig. 1, further, at least two sealing strips are further installed between the splicing surfaces of the two semicircular pipes 1, so as to prevent air leakage caused by gaps between the two semicircular pipes 1, and influence the stability of a coal mine downwind system and the physical health of staff.

As shown in fig. 1, a plurality of fixing means for fixing two semicircular pipes 1 so that the two semicircular pipes 1 are surrounded to form a protective pipe. Each fixing device comprises a plurality of U-shaped fixing buckles 7, each two U-shaped fixing buckles 7 can be enclosed into a circle to fix the two semicircular pipes 1, and the two U-shaped fixing buckles 7 are connected through bolts. Each fixing device further comprises a plurality of binding belts 8, and the binding belts 8 are sleeved on the two semicircular tubes 1. The U-shaped fixing buckle 7 and the ribbon 8 are used for fixing the two semicircular pipes 1 at the same time, wherein the ribbon 8 is convenient to use and can be used for the two semicircular pipes 1 to be used when being surrounded, the U-shaped fixing buckle 7 is firm, and the two semicircular pipes 1 can be fixed more firmly. Of course, in this embodiment, the two U-shaped fixing buckles 7 and the binding belts 8 are not limited to being used at the same time, and in other embodiments of this embodiment, only one of the two U-shaped fixing buckles 7 and the binding belts 8 may be selected to fix the two semicircular tubes 1.

As shown in fig. 2 and 3, at least two sealing rings 2 are sleeved on a cable 6 at intervals, the cable 6 and the at least two sealing rings 2 are all arranged in a protection tube formed by surrounding two semicircular tubes 1, the inner diameter of the at least two sealing rings 2 is matched with the diameter of the cable 6, the outer diameter is matched with the inner diameter of the protection tube, and air leakage caused by the formation of a gap between the cable 6 and the protection tube is prevented by the sealing rings 2.

The cable 6 placed in the protection tube can be completely sleeved with the sealing ring 2, and the sealing rings 2 can be only arranged at two ends of the protection tube. The installation opening is axially formed in the sealing ring 2, so that the sealing ring 2 is conveniently sleeved with the cable 6 through the installation opening, only when the sealing rings 2 are installed at two ends of the protection tube, at least one sealing ring 2 is installed at each end of the protection tube, preferably, at least two sealing rings 2 are sleeved at each end of the protection tube, no interval exists between the adjacent sealing rings 2, and the installation openings of the adjacent sealing rings 2 are not in the same straight line, so that air leakage from the installation opening is prevented.

When two sealing rings 2 are respectively arranged at two ends of the protection tube, a sealing space 3 is formed between the two sealing rings 2 at the two ends and the protection tube, and a detection device for detecting whether wind passes through the sealing space 3 is arranged in the sealing space 3.

As shown in fig. 2 and 3, the detecting device comprises an annular detecting film 5 for detecting the tightness of the sealed space and at least two infrared sensors 4, wherein the outer circumference of the detecting film 5 is in sealing connection with the two semicircular pipes 1, the inner circumference of the detecting film 5 is in sealing connection with the cable 6, and the detecting film 5 can deform under the action of wind force; at least two infrared sensors 4 are respectively installed at both sides of the detection film 5 and are arranged at intervals with the detection film 5 for detecting deformation of the detection film 5. The infrared sensor 4 includes an infrared emission end and an infrared receiving end, one of the infrared emission end and the infrared receiving end is installed on the inner wall of the semicircular tube 1, the other can be installed on the inner wall of the semicircular tube 1 and also can be installed on the cable 6, and as long as the infrared receiving end can receive infrared rays emitted by the infrared emission end in the normal use process.

As shown in fig. 3, the detecting film 5 may be a plastic film capable of being elastically deformed, or may be a plastic film capable of being deformed by wind when the detecting film 5 is light-tight after the detecting film 5 is mounted and is loose between the inner circumference and the outer circumference. If the one end of protection tube leaks when wind, detect membrane 5 under the effect of wind power, can be by blowing deformation, detect membrane 5 to wind direction effect direction protrusion, the convex part separates infrared emission end and infrared receiving end, and infrared receiving end can no longer receive the infrared ray that infrared emission end sent.

In order to facilitate the installation of the detection film 5 on the cable 6, the annular detection film 5 is provided with a separation opening, the cable 6 is installed in the inner circumference of the detection film 5 through the separation opening, and the separation opening is sealed to prevent the detection result from being influenced by air leakage.

The infrared sensor detection device also comprises two alarms which are respectively arranged in and outside the coal mine and are in communication connection with the infrared sensors 4 arranged on two sides of the detection film 5. The two alarms are respectively arranged in and out of the coal mine, so that workers in and out of the coal mine can be timely prompted to process the two alarms as soon as possible. If the one end of protection tube leaks when wind, detect membrane 5 under the effect of wind force, can be blown the deformation, detect membrane 5 to wind direction effect direction protrusion, convex part separates infrared emission end and infrared receiving end, infrared receiving end can no longer receive the infrared ray that infrared emission end sent, infrared sensor 4 gives two alarms with signal transmission, two alarms report to the police simultaneously to suggestion staff protection device takes place to leak wind, in time handles it, prevent to threaten staff's health because of the gas leakage.

When the utility model is used, after the wall is built to a preset height, two semicircular pipes 1 are placed at preset positions in the wall body, a cable 6 is placed between the two semicircular pipes 1, a plurality of sealing rings 2 are sleeved on the cable 6, so that the plurality of sealing rings 2 are respectively placed at two ends of the semicircular pipes 1, a detection film 5 and an infrared sensor 4 are arranged in the middle of the semicircular pipes 1, sealing strips are installed between the butt joint surfaces of the two semicircular pipes 1, and the two semicircular pipes 1 are fixed by using a binding belt 8 and a U-shaped fixing buckle 7. If the one end of protection tube leaks when wind, detect membrane 5 under the effect of wind force, can be blown the deformation, detect membrane 5 to wind direction effect direction protrusion, convex part separates infrared emission end and infrared receiving end, infrared receiving end can no longer receive the infrared ray that infrared emission end sent, infrared sensor 4 gives two alarms with signal transmission, two alarms report to the police simultaneously to suggestion staff protection device takes place to leak wind, in time handles it, prevent to threaten staff's health because of the gas leakage.

Example 2

As shown in fig. 4 and 5, referring to fig. 4, the side close to the detection film is defined as "inside", and the side far from the detection film 5 is defined as "outside". Unlike embodiment 1, the seal ring includes a first seal ring 22 located on the inner side and a second seal ring 21 located on the outer side. Wherein, the second sealing ring 21 is not provided with an installation opening, an annular sealing cavity is arranged in the second sealing ring 21, a sealing container 10 is arranged on the outer side wall in the annular sealing cavity, and water is filled in the sealing container 10. The sealed container 10 comprises an annular connecting part 101, one end of the connecting part 101 is connected with the outer side wall of the annular sealing cavity, the other end of the connecting part is connected with a plastic film 102, and the plastic film 102, the connecting part 101 and the outer side wall of the annular sealing cavity are combined into a containing cavity for containing water. The conical part 9 with a tip is arranged on the outer side wall in the annular sealing cavity, the conical part 9 is arranged in the accommodating cavity, the large end of the conical part 9 is connected with the outer side wall of the annular sealing cavity, and a certain gap is reserved between the tip of the conical part 9 and the plastic film 102. The inner side wall in the annular sealing cavity is provided with a top block 11, the top block 11 corresponds to the sealing container 10, and a certain gap is reserved between the top block 11 and the sealing container 10. Sodium peroxide is also arranged in the annular sealing cavity, and the second sealing ring 21 is made of a material which is not easy to corrode by acid and alkali. When the sealing device is used, the second sealing ring 21 is installed at two ends of the semicircular tube 1, all other parts are installed, after the two semicircular tubes 1 are fixed through the U-shaped fixing buckle and the binding belt, the outer wall of the annular sealing cavity is pressed, the tip of the conical part 9 is close to the plastic film 102 and the top block 11, the plastic film 102 is pricked by the tip, so that water and sodium peroxide react to generate oxygen, the pressure in the annular sealing cavity is increased, and the second sealing ring 21 is in contact with the cable 6 and the two semicircular tubes 1, so that air leakage is prevented.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (7)

1. A wall-penetrating cable protection device, comprising:

two semicircular pipes (1), wherein the two semicircular pipes (1) can be enclosed to form a protection pipe;

a plurality of fixing means for fixing the two semicircular pipes (1);

the cable protection device comprises at least two sealing rings (2), wherein the cable (6) is sleeved with the at least two sealing rings (2) at intervals, the cable and the at least two sealing rings (2) are both arranged in a protection pipe which is formed by surrounding the two semicircular pipes (1), the inner diameter of the at least two sealing rings (2) is matched with the diameter of the cable (6), and the outer diameter of the at least two sealing rings is matched with the inner diameter of the protection pipe;

the at least two sealing rings (2) are respectively arranged at two ends of the protection tube, a sealing space (3) is formed between the at least two sealing rings (2) at two ends and the protection tube, and a detection device for detecting whether wind passes through the sealing space (3) is arranged in the sealing space (3).

2. The protection device for a wall-penetrating cable according to claim 1, further comprising at least two sealing strips, said at least two sealing strips being respectively placed between the abutting faces of said two semicircular tubes (1).

3. Protection device for wall-through cables according to claim 1, characterized in that the bottoms of the two semicircular tubes (1) are hinged.

4. Protection device for a wall-through cable according to claim 1, characterized in that each of the fixing means comprises two U-shaped fixing buckles (7), the two U-shaped fixing buckles (7) being able to be rounded to fix the two semicircular tubes (1).

5. Protection device for wall-through cables according to claim 4, characterized in that each of said fixing devices further comprises a tie (8), said tie (8) being fitted over said two semicircular tubes (1).

6. Protection device for a wall-through cable according to claim 1, characterized in that the detection device comprises an annular detection membrane (5) for detecting the tightness of the sealed space (3) and at least two infrared sensors (4), the outer circumference of the detection membrane (5) being in sealing connection with the two semicircular tubes (1), the inner circumference being in sealing connection with the cable (6), the detection membrane (5) being deformable under the effect of wind;

the at least two infrared sensors (4) are respectively arranged on two sides of the detection film (5) and are arranged at intervals with the detection film (5) for detecting deformation of the detection film (5).

7. The wall-through cable protection device according to claim 6, further comprising two alarms, wherein the two alarms are respectively installed in and out of a coal mine, and the two alarms are respectively in communication connection with infrared sensors (4) installed at both sides of the detection film (5).

Images