CN213879178U

CN213879178U - Cable fireproof plugging device for transformer control box

Info

Publication number: CN213879178U
Application number: CN202022596589.XU
Authority: CN
Inventors: 李桂清
Original assignee: Fujian Zhongyu Electric Co ltd
Current assignee: Fujian Zhongyu Electric Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-08-03
Anticipated expiration: 2030-11-11

Abstract

The utility model relates to a fire prevention shutoff technical field just discloses a cable fire prevention plugging device for transformer control box, including the mounting panel, the positive fixedly connected with of mounting panel prevents stifled box, prevent the equal fixedly connected with seal chamber in the left and right sides of preventing stifled box, the top fixedly connected with quantity of preventing stifled box is two fixed blocks, two the equal swing joint in top of seal chamber has one end to run through and extend to the seal chamber inside and with the interior diapire swing joint's of seal chamber screw rod. This cable fire prevention plugging device for transformer control box, through setting up the gag lever post, two movable blocks in top and two movable blocks in bottom drive the sealing washer respectively to the one side motion that is close to the cable body, make two sealing washers in left side extrude each other, two sealing washers in right side extrude mutually simultaneously to improved the sealing performance that the cable body carries out the fire prevention shutoff, avoided moisture, water or even worm to get into from the gap, caused the potential safety hazard.

Description

Cable fireproof plugging device for transformer control box

Technical Field

The utility model relates to a fire prevention shutoff technical field specifically is a cable fire prevention plugging device for transformer control box.

Background

With the rapid development of electrified railways in China in recent years, higher and higher requirements are placed on ensuring the safe operation of a power system and improving the economic benefit of the system, a transformer control box is particularly required to be protected, once fire risks occur, fire enters the control box, damage to components in the control box is caused, faults and even serious accidents are caused, and the cable fireproof plugging of the transformer control box also becomes an important component of a fireproof system in the safe operation.

Present cable for transformer control box often adopts fire prevention expanded material, the PLASTIC LAMINATED, materials such as fire prevention mud seal, wear to establish the cable and directly pass from the cable entrance to a cave of PLASTIC LAMINATED, owing to wear to establish between cable and the cable entrance to a cave and fire protection device always can have the gap, can reduce fire prevention shutoff effect on the one hand, on the other hand moisture, water or even the worm gets into from the gap, cause the potential safety hazard, so, provide a cable fire prevention plugging device for transformer control box and solve foretell problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a cable fire prevention plugging device for transformer control box possesses and prevents stifled advantages such as effectual, has solved and has worn to establish cable and cable entrance to a cave and fire prevention device between always can have the gap, can reduce fire prevention plugging effect on the one hand, and on the other hand moisture, water or even insect get into from the gap, cause the problem of potential safety hazard.

(II) technical scheme

For realizing the above-mentioned effectual purpose of preventing blocking up, the utility model provides a following technical scheme: a cable fireproof blocking device for a transformer control box comprises a mounting plate, wherein an anti-blocking box is fixedly connected to the front side of the mounting plate, sealing bins are fixedly connected to the left side and the right side of the anti-blocking box, the number of the top parts of the anti-blocking box is two, two fixing blocks are fixedly connected to the inner parts of the two fixing blocks, a worm is movably connected to the inner parts of the two fixing blocks, a swivel is fixedly connected to the right side of the worm, two screw rods are movably connected to the top parts of the two sealing bins, one end of each screw rod penetrates through the inner wall of each sealing bin and is movably connected with the inner bottom wall of each sealing bin, worm wheels meshed with the worm are fixedly connected to the outer sides of the top ends of the two screw rods, a cable body is movably installed on the left side of each sealing bin, one end of each cable body penetrates through the right side of each sealing bin and extends to the right side of each sealing bin, two movable blocks are respectively and are fixedly connected with a sealing ring on the opposite sides of the movable blocks, fixedly connected with quantity is two and with the inside swing joint's of movable block gag lever post, two between the interior roof of sealed storehouse and the interior diapire the equal fixedly connected with in one side that the movable block departed from mutually just with the spacing spring of the interior roof of sealed storehouse and interior diapire fixed connection, two respectively with the equal fixedly connected with spacing gyro wheel of the equal fixedly connected with in the left and right sides of movable block, the inside fixedly connected with fire prevention shutoff of anti-blocking box is packed.

Preferably, the movable block is internally provided with a threaded through hole, and the threaded through hole is in threaded connection with the screw rod.

Preferably, the two movable blocks at the top and the two movable blocks at the bottom have the same size and opposite internal thread directions, and the four movable blocks have the same size.

Preferably, the sealing ring is semi-annular, and the diameter of the inner ring of the sealing ring is matched with the diameter of the cable body.

Preferably, two the equal fixedly connected with activity through-hole in sealed storehouse one side that leaves, the diameter of sealing washer outer ring is greater than the diameter of activity through-hole.

Preferably, a movement through hole is formed in the fixing block, and the size of the movement through hole is matched with that of the worm.

(III) advantageous effects

Compared with the prior art, the utility model provides a cable fire prevention plugging device for transformer control box possesses following beneficial effect:

this cable fire prevention plugging device for transformer control box, it has fire prevention shutoff filler to fill through setting up stifled box is inside, can play the effect of fire prevention shutoff to the cable body, secondly, through rotating the swivel, the swivel drives the worm and rotates, the worm drives two worm wheels of its meshing and rotates, two worm wheels drive its inside screw rod and rotate, through setting up the gag lever post, two movable blocks in top and two movable blocks in bottom drive the sealing washer respectively to the side motion that is close to the cable body, make two sealing washers in left side extrude each other, two sealing washers on the right side extrude mutually simultaneously, thereby improved the sealing performance that the cable body carries out fire prevention shutoff, moisture has been avoided, water or even worm gets into from the gap, cause the potential safety hazard.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: the cable comprises a mounting plate 1, an anti-blocking box 2, a fireproof blocking filler 3, a rotating ring 4, a fixing block 5, a worm 6, a worm wheel 7, a screw rod 8, a cable body 9, a sealing bin 10, a limiting rod 11, a limiting spring 12, a movable block 13, a limiting roller 14 and a sealing ring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a cable fireproof plugging device for a transformer control box comprises a mounting plate 1, wherein an anti-blocking box 2 is fixedly connected to the front surface of the mounting plate 1, sealing chambers 10 are fixedly connected to the left side and the right side of the anti-blocking box 2, two fixing blocks 5 are fixedly connected to the top of the anti-blocking box 2, worms 6 are movably connected to the inside of the two fixing blocks 5, movement through holes are formed in the fixing blocks 5, the size of the movement through holes is matched with that of the worms 6, a swivel ring 4 is fixedly connected to the right side of the worms 6, screws 8 are movably connected to the tops of the two sealing chambers 10, one ends of the screws penetrate through the sealing chambers 10 and are movably connected with the inner bottom wall of the sealing chambers 10, worm wheels 7 meshed with the worms 6 are fixedly connected to the outer sides of the top ends of the two screws 8, a cable body 9 is movably installed on the left side of the left sealing chamber 10, one end of the cable body penetrates through the sealing chamber and extends to the right side of the right sealing chamber 10, the outer side of the screw 8 is in threaded connection with two movable blocks 13, threaded through holes are formed in the movable blocks 13 and are in threaded connection with the screw 8, the two movable blocks 13 at the top and the two movable blocks 13 at the bottom are the same in size and opposite in internal thread direction, the four movable blocks 13 are the same in size, sealing rings 15 are fixedly connected to one opposite sides of the two movable blocks 13, each sealing ring 15 is in a semi-annular shape, the diameter of an inner ring of each sealing ring 15 is matched with that of the cable body 9, movable through holes are fixedly connected to one opposite sides of the two sealed bins 10, the diameter of an outer ring of each sealing ring 15 is larger than that of each movable through hole, two limiting rods 11 which are movably connected with the inner top wall and the inner bottom wall of each sealed bin 10 are fixedly connected between the inner top wall and the inner bottom wall of each sealed bin 10, limiting springs 12 which are movably mounted to the outer sides of the limiting rods 11 and are fixedly connected with the inner top wall and the inner bottom wall of each sealed bin 10 respectively, the equal fixedly connected with spacing gyro wheel 14 in the left and right sides of two movable blocks 13 prevents the inside fixedly connected with fire prevention shutoff filler 3 of stifled box 2.

In conclusion, the cable fireproof plugging device for the transformer control box has the advantages that fireproof plugging filler 3 is filled in the anti-plugging box 2, the cable body 9 can be plugged in a fireproof mode, secondly, the rotating ring 4 is rotated to drive the worm 6 to rotate, the worm 6 drives the two worm wheels 7 meshed with the worm 6 to rotate, the two worm wheels 7 drive the screw 8 inside the worm wheels to rotate, the two movable blocks 13 at the top and the two movable blocks 13 at the bottom respectively drive the sealing rings 15 to move to one side close to the cable body 9 by arranging the limiting rods 11, the two sealing rings 15 at the left side are mutually extruded, meanwhile, the two sealing rings 15 at the right side are mutually extruded, the sealing performance of the cable body 9 for fireproof plugging is improved, moisture, water and even insects enter from gaps to cause potential safety hazards, and gaps between the cable and the fireproof device are solved, on the one hand, the fireproof plugging effect can be reduced, and on the other hand, moisture, water and even bugs enter from gaps, so that the potential safety hazard is caused.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable fire prevention plugging device for transformer control box, includes mounting panel (1), its characterized in that: the positive fixedly connected with of mounting panel (1) prevents stifled box (2), prevent the equal fixedly connected with seal chamber (10) in the left and right sides of stifled box (2), the top fixedly connected with quantity that prevents stifled box (2) is fixed block (5) two, two the inside swing joint of fixed block (5) has worm (6), the right side fixedly connected with change (4) of worm (6), two the equal swing joint in top of seal chamber (10) has one end to run through and extend to seal chamber (10) inside and with seal chamber (10) the interior diapire swing joint's of screw rod (8), two the equal fixedly connected with in outside on screw rod (8) top has worm wheel (7) with worm (6) meshing, the left side movable mounting of seal chamber (10) has one end to run through and extend to cable body (9) on right side seal chamber (10), the equal threaded connection in the outside of screw rod (8) has movable block (13) that quantity is two, two the equal fixedly connected with sealing washer (15) in one side that movable block (13) is relative, fixedly connected with quantity be two between the interior roof of sealed storehouse (10) and the interior diapire and with inside swing joint's of movable block (13) gag lever post (11), two the equal fixedly connected with in one side that movable block (13) departed from mutually and gag lever post (11) the outside movable mounting just respectively with the interior roof of sealed storehouse (10) and interior diapire fixed connection's spacing spring (12), two the equal fixedly connected with spacing gyro wheel (14) in the left and right sides of movable block (13), the inside fixedly connected with fire prevention shutoff of anti-blocking box (2) packs (3).

2. The cable fireproof plugging device for the transformer control box according to claim 1, wherein: the movable block (13) is internally provided with a threaded through hole, and the threaded through hole is in threaded connection with the screw rod (8).

3. The cable fireproof plugging device for the transformer control box according to claim 1, wherein: the sizes of the two movable blocks (13) at the top and the two movable blocks (13) at the bottom are the same, the directions of internal threads are opposite, and the sizes of the four movable blocks (13) are the same.

4. The cable fireproof plugging device for the transformer control box according to claim 1, wherein: the sealing ring (15) is semi-annular, and the diameter of the inner ring of the sealing ring (15) is matched with that of the cable body (9).

5. The cable fireproof plugging device for the transformer control box according to claim 1, wherein: two equal fixedly connected with activity through-hole in sealed storehouse (10) one side that leaves mutually, the diameter of sealing washer (15) outer ring is greater than the diameter of activity through-hole.

6. The cable fireproof plugging device for the transformer control box according to claim 1, wherein: the inside of fixed block (5) is seted up the motion through-hole, the size of motion through-hole and the size looks adaptation of worm (6).