CN113949017B

CN113949017B - High-adaptability cable plugging device

Info

Publication number: CN113949017B
Application number: CN202111267050.2A
Authority: CN
Inventors: 李可心; 黄众; 李士华
Original assignee: Hangzhou Boyuan Power Equipment Co ltd
Current assignee: Hangzhou Boyuan Power Equipment Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2023-05-12
Anticipated expiration: 2041-10-28
Also published as: CN113949017A

Abstract

The invention belongs to the technical field of cable plugging devices, and particularly relates to a high-adaptability cable plugging device which comprises a first plugging component and a second plugging component which are identical in structure, wherein the first plugging component and the second plugging component are mutually clamped, the first plugging component comprises a plugging head, an air bag and a blocking ring, the air bag is arranged between the plugging head and the blocking ring, a plurality of elastic connection components are arranged between the blocking ring and the plugging head, each elastic connection component comprises a fixed cylinder, a sliding rod and a first spring, the fixed cylinders are inserted into one side, close to the blocking ring, of the plugging head, the sliding rod is inserted into one side, close to the plugging head, of the blocking ring, the sliding rod is arranged in the fixed cylinders in a sliding mode, the first springs are fixedly connected between the sliding rod and the fixed cylinders, a channel is arranged at the position of each elastic connection component, and the fixed cylinders are inserted into the channel. The air bag plugging device is used for solving the problems that in the prior art, a plugging air bag is easy to damage, and after a long time, the air pressure in the air bag can be slowly reduced, so that the plugging effect is reduced.

Description

High-adaptability cable plugging device

Technical Field

The invention belongs to the technical field of cable plugging devices, and particularly relates to a cable plugging device with high adaptability.

Background

Cable duct sealing is a duct sealing technique. The cable is mainly used for preventing sewage and rainwater from flowing into the pipeline to cause dangerous operation in long-term immersion in water, preventing seepage of the sewage and the rainwater through the pipeline and endangering operation safety of adjacent inspection wells or transformer substations/switching stations; the sewage is prevented from bringing sediment and garbage into the cable duct to influence the line inspection and maintenance in the later period; the small animals are prevented from entering the cable pipeline, biting and damaging the cable, and propagating channeling in the pipeline.

At present, most of the air bags are used for plugging the cable pipelines, but the plugging air bags are easy to damage, and after a long time, the air pressure in the air bags can be slowly reduced, so that the plugging effect is reduced.

Disclosure of Invention

The purpose of the invention is that: the cable plugging device is used for solving the problems that in the prior art, a plugging air bag is easy to damage, and after a long time, the air pressure in the air bag can be slowly reduced, so that the plugging effect is reduced.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

the utility model provides a cable plugging device of high adaptability, includes first shutoff subassembly and the second shutoff subassembly that the structure is the same, first shutoff subassembly and the mutual joint of second shutoff subassembly, first shutoff subassembly includes shutoff head, gasbag and fender ring, the gasbag is installed between shutoff head and fender ring, be provided with a plurality of elastic connection components between fender ring and the shutoff head, elastic connection component includes fixed section of thick bamboo, slide bar and first spring, fixed section of thick bamboo is pegged graft on the shutoff head and is close to one side of fender ring, the slide bar is pegged graft on the fender ring and is close to one side of shutoff head, the slide bar slides and wears to locate in the fixed section of thick bamboo, first spring fixed connection is between slide bar and fixed section of thick bamboo, the gasbag is provided with the passageway in elastic connection subassembly department, fixed section of thick bamboo is pegged graft and is located in the passageway.

Further limited, one end of the fixed cylinder is provided with a first fixed head, a first threaded hole is formed in the plugging head, and the first fixed head is in threaded connection with the first threaded hole.

Further limited, the first fixed head is internally provided with a second threaded hole, the second threaded hole is in threaded connection with a second fixed head, one end of the first spring is fixedly connected with the sliding rod, and the other end of the first spring is fixedly connected with the second fixed head.

Further limited, the baffle ring is provided with a through hole at the sliding rod, the sliding rod is inserted in the through hole in a sliding manner, one end of the through hole away from the blocking head is provided with a round groove, a third fixing head is arranged in the round groove, the sliding rod is provided with a third threaded hole at the third fixing head, and the tail end of the third fixing head is in threaded connection with the third threaded hole.

Further defined, an inflation tube is disposed on the airbag, and the inflation tube passes through the blocking head and protrudes out of the blocking head.

Further limited, the shutoff head is last to have seted up curved first ladder groove and second ladder groove, first ladder groove and second ladder groove set up relatively, the radian in first ladder groove is greater than the radian in second ladder groove, the slip is provided with the arc piece in the first ladder groove, be provided with the second spring in the first ladder groove, the one end and the first ladder inslot bottom surface fixed connection of second spring, the other end and arc piece fixed connection, the free end of arc piece outstanding outside first ladder groove.

Further limited, be provided with many spacing card strips on the fender ring of first shutoff subassembly, many spacing card strips are the upper and lower both ends of fender ring respectively, and are located and are close to one side of second shutoff subassembly, the draw-in groove has been seted up in the position of spacing card strip on the fender ring of second shutoff subassembly, spacing card strip card is located in the draw-in groove.

Further limited, one end of the inflation tube outside the plugging head is connected with an inflation head, and a one-way air inlet valve is arranged in the inflation head.

Further limited, a plurality of anti-skid grooves are formed in the arc-shaped block, and a shielding plate is arranged at the tail end of the arc-shaped block.

Further limited, the one end that the shutoff head is close to the gasbag sets up to the toper, be provided with the spacing ring on the shutoff head.

The invention adopting the technical scheme has the following advantages:

1. by arranging the blocking head, the air bag, the blocking ring and the elastic connecting component, on one hand, the air bag is protected between the blocking head and the blocking ring, and the air bag 2 is prevented from being damaged; on the other hand, after the gasbag is used for a long time, the gas leaks, and the gasbag internal pressure reduces, and when the gasbag was atrophic, first spring resumes deformation, makes the fender ring move to the gasbag side and removes extrusion gasbag, makes the gasbag keep closely laminating with pipeline and cable, guarantees plugging device's shutoff effect.

2. Through set up arc piece and second spring at first shutoff subassembly and second shutoff subassembly, during the use, only need with first shutoff subassembly and second shutoff subassembly through arc piece joint together can, simple to operate is swift.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of a cable plugging device with high adaptability according to the present invention;

FIG. 2 is a schematic cross-sectional view of a cable plugging device with high adaptability according to the present invention;

FIG. 3 is a schematic view showing the internal structure of a cable plugging device with high adaptability according to the present invention;

fig. 4 is a schematic diagram of a split structure of a cable plugging device with high adaptability according to the present invention;

fig. 5 is a schematic diagram of a split structure of a cable plugging device with high adaptability.

The main reference numerals are as follows:

the sealing plug 1, the first threaded hole 11, the first stepped groove 12, the second stepped groove 13, the limiting ring 14, the air bag 2, the channel 21, the air tube 22, the air head 23, the baffle ring 3, the through hole 31, the round groove 32, the position clamping strip 33, the clamping groove 34, the elastic connecting component 4, the fixed cylinder 41, the first fixed head 411, the sliding rod 42, the third threaded hole 421, the second fixed head 43, the first spring 44, the third fixed head 45, the arc-shaped block 5, the anti-skid groove 52, the shielding plate 53, the cable 6 and the pipeline 7.

Detailed Description

The present invention will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the high-adaptability cable plugging device comprises a first plugging component and a second plugging component which are identical in structure, the first plugging component and the second plugging component are mutually clamped, the first plugging component comprises a plugging head 1, an air bag 2 and a blocking ring 3, a plurality of elastic connecting components 4 are arranged between the blocking ring 3 and the plugging head 1, the elastic connecting components 4 are used for connecting the blocking ring 3 and the plugging head 1, each elastic connecting component 4 comprises a fixed cylinder 41, a sliding rod 42 and a first spring 44, one end of the fixed cylinder 41 is provided with a first fixed head 411, a first threaded hole 11 is formed in the plugging head 1, and the first fixed head 411 is in threaded connection with the first threaded hole 11, so that the fixed cylinder 41 is fixedly connected with the plugging head 1. The first fixing head 411 is internally provided with a second threaded hole, the second threaded hole is in threaded connection with a second fixing head 43, one end of the sliding rod 42 is slidably inserted into the fixing cylinder 41, one end of the first spring 44 is fixedly connected with the sliding rod 42, the other end of the first spring 44 is fixedly connected with the second fixing head 43, and the second fixing head 43 is arranged to facilitate the installation of the sliding rod 42 and the first spring 44 in the fixing cylinder 41. By providing the first spring 44, an elastic connection between the slide bar 42 and the fixed cylinder 41 is achieved.

The through hole 31 is formed in the position of the sliding rod 42, the other end of the sliding rod 42 is slidably inserted into the through hole 31, the round groove 32 is formed in one side, far away from the blocking head 1, of the blocking ring 3, the third fixing head 45 is arranged in the round groove 32, the third threaded hole 421 is formed in the position of the third fixing head 45 of the sliding rod 42, the tail end of the third fixing head 45 is in threaded connection with the third threaded hole 421, and the sliding rod 42 is conveniently and fixedly connected to the blocking ring 3 through the third fixing head 45. When the baffle ring 3 moves, the slide rod 42 can be driven to move. The air bag 2 is arranged between the blocking head 1 and the blocking ring 3, a channel 21 is arranged at the elastic connecting component 4 of the air bag 2, a fixed cylinder 41 is inserted into the channel 21, an air inflation tube 22 is arranged on the air bag 2, and the air inflation tube 22 penetrates through the blocking head 1 and protrudes out of the blocking head 1. The inflation tube 22 is used for inflating the airbag 2, after the airbag 2 inflates, the baffle ring 3 is pushed outwards, and the first spring 44 is stretched until the airbag 2 is tightly attached to the pipeline 7, the cable 6, the baffle ring 3 and the blocking head 1, the area between the pipeline 7 and the cable 6 is sealed, and sewage, sundries and the like are prevented from entering the pipeline, so that the normal operation of the cable is prevented from being influenced. The air bag 2 is clamped in the middle through the baffle ring 3 and the plugging head 1, the air bag 2 is protected, the air bag 2 is prevented from being damaged, and after the air bag 2 is used for a long time, gas leaks, the pressure in the air bag 2 is reduced, when the air bag 2 is shrunken, the first spring 44 is deformed in a recovery mode, the baffle ring 3 moves towards the air bag 2 side to squeeze the air bag 2, the air bag 2 is kept tightly attached to the pipeline 7 and the cable 6, and the plugging effect of the plugging device is guaranteed.

As shown in fig. 4 and 5, an arc-shaped first step groove 12 and a second step groove 13 are formed in the blocking head 1, the first step groove 12 and the second step groove 13 are oppositely arranged, the radian of the first step groove 12 is larger than that of the second step groove 13, an arc-shaped block 5 is arranged in the first step groove 12 in a sliding manner, a second spring is arranged in the first step groove 12, one end of the second spring is fixedly connected with the inner bottom surface of the first step groove 12, the other end of the second spring is fixedly connected with the arc-shaped block 5, and the free end of the arc-shaped block 5 protrudes out of the first step groove. When the arc-shaped block 5 slides into the first step groove 12, the second spring is extruded, and after the arc-shaped block 5 is loosened, the second spring enables the arc-shaped block 5 to automatically reset. In this embodiment, after the two first plugging components and the second plugging component are clamped to each other, the free end of the arc-shaped block 5 of the first plugging component is inserted into the second stepped slot 13 of the second plugging component, and the free end of the arc-shaped block 5 of the second plugging component is inserted into the second stepped slot 13 of the first plugging component.

Be provided with many spacing card strips 33 on the fender ring 3 of first shutoff subassembly, many spacing card strips 33 are located the upper and lower both ends of fender ring 3 respectively, and are located one side that is close to the second shutoff subassembly, and draw-in groove 34 has been seted up in the position of spacing card strip 33 on the fender ring 3 of second shutoff subassembly, and spacing card strip 33 card is located in the draw-in groove 34. By arranging the limiting clamping strips 33 and the clamping grooves 34, the two baffle rings 3 are prevented from moving randomly. And after the two baffle rings 3 are clamped, the position of the cable 6 can be limited, so that the cable 6 is uniformly wrapped by the air bag.

One end of the inflation tube 22 outside the plugging head 1 is connected with an inflation head 23 in a threaded manner, and a one-way air inlet valve is arranged in the inflation head 23. When the plugging device needs to be removed, the inflation head 23 is unscrewed from the inflation tube 22, and the gas in the air bag 2 is discharged.

The arc-shaped block 5 is provided with a plurality of anti-skid grooves 52, so that the arc-shaped block 5 can be conveniently slid; the end of the arc-shaped block 5 is provided with a shielding plate 53 for shielding the first step groove 12, so that sundries are prevented from entering the first step groove 12 and affecting the normal scaling of the second spring.

The end of the blocking head 1 close to the air bag 2 is arranged in a conical shape, so that the blocking head 1 is convenient to insert into the pipeline 7. The stopper is provided with the spacing ring 14, carries out spacing to stopper 1 through spacing ring 14, avoids stopper 1 to get into in the pipeline 7 completely.

When the high-adaptability cable plugging device is used, a cable 6 is placed between a first plugging assembly and a second plugging assembly, an arc block 5 slides into a first stepped groove 12, a limit clamping strip 33 of a baffle ring 3 in the first plugging assembly is inserted into a clamping groove of the baffle ring 3 in the second plugging assembly, then the arc block 5 is loosened, so that the free end of the arc block 5 of the first plugging assembly is inserted into a second stepped groove 13 of the second plugging assembly, and the free end of the arc block 5 of the second plugging assembly is inserted into the second stepped groove 13 of the first plugging assembly, so that the clamping connection of the first plugging assembly and the second plugging assembly is completed;

then, the air is filled into the air bag 2 through the air filling head 23, after the air bag 2 is inflated and expanded, the baffle ring 3 is pushed outwards, the first spring 44 is stretched until the air bag 2 is tightly attached to the pipeline 7, the cable 6, the baffle ring 3 and the blocking head 1, the area between the pipeline 7 and the cable 6 is sealed, after the air bag 2 is used for a long time, the air is leaked, the pressure in the air bag 2 is reduced, and when the air bag 2 is atrophic, the first spring 44 is restored to deform, so that the baffle ring 3 moves towards the air bag 2 to squeeze the air bag 2, the air bag 2 is tightly attached to the pipeline 7 and the cable 6, and the blocking effect of the blocking device is ensured.

The cable plugging device with high adaptability provided by the invention is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

Claims

1. High adaptability's cable plugging device, its characterized in that: including the same first shutoff subassembly of structure and second shutoff subassembly, first shutoff subassembly and the mutual joint of second shutoff subassembly, first shutoff subassembly includes shutoff head, gasbag and fender ring, the gasbag is installed between shutoff head and fender ring, be provided with a plurality of elastic connection components between fender ring and the shutoff head, elastic connection component includes fixed section of thick bamboo, slide bar and first spring, fixed section of thick bamboo is pegged graft in the overhead one side that is close to the fender ring of shutoff, the slide bar is pegged graft in the one side that is close to the shutoff head on the fender ring, the slide bar slides and wears to locate in the fixed section of thick bamboo, first spring fixed connection is between slide bar and fixed section of thick bamboo, the gasbag is provided with the passageway in elastic connection component department, fixed section of thick bamboo is pegged graft and is located in the passageway.

2. The high adaptability cable plugging device according to claim 1, wherein: one end of the fixed cylinder is provided with a first fixed head, a first threaded hole is formed in the plugging head, and the first fixed head is in threaded connection with the first threaded hole.

3. A highly adaptable cable plugging device according to claim 2, wherein: the first fixed head is internally provided with a second threaded hole, the second threaded hole is in threaded connection with a second fixed head, one end of the first spring is fixedly connected with the sliding rod, and the other end of the first spring is fixedly connected with the second fixed head.

4. A highly adaptable cable plugging device according to claim 3, wherein: the baffle ring is provided with a through hole at the sliding rod, the sliding rod is inserted in the through hole in a sliding manner, one end of the through hole away from the blocking head is provided with a round groove, a third fixed head is arranged in the round groove, the sliding rod is provided with a third threaded hole at the third fixed head, and the tail end of the third fixed head is in threaded connection with the third threaded hole.

5. The high-adaptability cable plugging device of claim 4 wherein: the air bag is provided with an air charging pipe, and the air charging pipe penetrates through the blocking head and protrudes out of the blocking head.

6. A highly adaptable cable plugging device according to any one of claims 1-5, wherein: the plugging head is provided with an arc-shaped first step groove and a second step groove, the first step groove and the second step groove are oppositely arranged, the radian of the first step groove is larger than that of the second step groove, an arc-shaped block is slidably arranged in the first step groove, a second spring is arranged in the first step groove, one end of the second spring is fixedly connected with the inner bottom surface of the first step groove, the other end of the second spring is fixedly connected with the arc-shaped block, and the free end of the arc-shaped block protrudes out of the first step groove.

7. The high-adaptability cable plugging device of claim 6, wherein: the stopper ring of the first plugging component is provided with a plurality of limiting clamping strips, the limiting clamping strips are respectively positioned at the upper end and the lower end of the stopper ring and are positioned close to one side of the second plugging component, the stopper ring of the second plugging component is provided with clamping grooves at the positions of the limiting clamping strips, and the limiting clamping strips are clamped in the clamping grooves.

8. The highly adaptable cable plugging device of claim 5, wherein: one end of the inflation tube outside the plugging head is connected with an inflation head, and a one-way air inlet valve is arranged in the inflation head.

9. The high-adaptability cable plugging device of claim 6, wherein: the anti-skid device is characterized in that a plurality of anti-skid grooves are formed in the arc-shaped block, and a shielding plate is arranged at the tail end of the arc-shaped block.

10. The highly adaptable cable plugging device of claim 8, wherein: one end of the plugging head, which is close to the air bag, is arranged to be conical, and a limiting ring is arranged on the plugging head.