Split type fireproof and water-pressure-resistant sealing device for cable hole

Abstract

The utility model discloses a split type fireproof and water-pressure-resistant sealing device for a cable hole in the technical field of cable pipeline sealing devices. Comprising an upper base, a movable baffle, a base fixing bolt, a lower base, a movable baffle positioning hole, a base connecting bolt, a movable baffle positioning bolt, a steel sleeve, an elastic fireproof sealing layer, a foam fireproof blocking material and an insulating anti-corrosion waterproof coating. According to the utility model, problems that waterproof, anticorrosion and fireproof performances are insufficient and the cable cannot be applied to a built cable are solved; according to the utility model, the cable is split, technical transformation can be carried out in completed projects, the strength requirement is ensured, the damage of welding high temperature to the cable and the difficulty of later cable replacement and cable secondary crossing maintenance can be reduced, and the cable can resist water pressure of more than 15 meters and meet the fireproof sealing requirement.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable pipeline sealing device technical field, concretely is a split type cable hole fireproof water pressure sealing device. BACKGROUND

[0002] With people find cable and pipeline protection for the importance of building protection and can reduce the detection cost, cable and pipeline protection device also more and more. At present on the market mainly through the concrete adds the leaking king or wall waterproof material to increase the density to prevent outdoor water leakage, and the building is protected. However often cable buried soil is deep, the effectiveness of the existing scheme appears water seepage and leakage phenomenon under water pressure 2 meters, and in the environment of frequent natural disasters, outdoor drainage is not timely, easy to appear water level easy to suddenly increase, indoor or basement water phenomenon caused by water pressure of household cable.

[0003] And in order to improve the cable and pipeline protection device waterproof, anticorrosion and fireproof performance, the prior art also makes many improvements.

[0004] Such as patent number CN103822027A "a cable hole plugging device", including engineering plastics and rubber plastic sealing waterproof material layer, engineering plastics is set in the cable, and is connected with reinforced concrete wall, rubber plastic sealing waterproof material layer is arranged between engineering plastics and cable, engineering plastics and reinforced concrete wall.

[0005] Such as using MCT module, a multi-cable system through the isolation system, including frame, module, compression system and backing plate. Before cable installation, first install the frame to carry out welding treatment, and then install the cable in the process of later period and carry out assembly installation. This module design is accurate, can be customized according to different pipe diameter and hole position, can effectively seal cable and pipeline, ensure its stable and reliable operation.

[0006] Based on this, the current technology mainly exists waterproof, anticorrosion and fireproof performance is insufficient, cannot be applied to the cable of the built problem. INVENTION CONTENTS

[0007] The utility model discloses a split type cable hole fireproof water pressure sealing device to solve the waterproof, anticorrosion and fireproof performance insufficient, cannot be applied to the cable of the built problem in the background art.

[0008] To achieve the above object, the utility model provides the following technical scheme: a split type cable hole fireproof water pressure sealing device, cable passes through the perforation located in the underground wall surface, including upper base, movable baffle, base fixing bolt, lower base, base connecting bolt, elastic fireproof sealing layer, foam plugging material and insulation anticorrosion waterproof coating.

[0009] The upper base and the lower base are connected by base connecting bolts;

[0010] The upper base and the lower base are fixed on the wall surface by base fixing bolts;

[0011] The upper base and the lower base are both provided with an elastic fireproof sealing layer between the wall surface;

[0012] The movable baffle is fixedly connected on the upper base and the lower base by a bolt assembly;

[0013] The perforation between the cable and the wall surface is filled with a foamed fireproof sealing material;

[0014] The upper base, the lower base, the movable baffle and the outer surface of the cable are provided with an insulating, corrosion-proof and waterproof coating.

[0015] Preferably, the base fixing bolts are expansion bolts, and a connecting hole is formed in the side wall of the wall surface, and the expansion bolts are embedded in the connecting hole.

[0016] Preferably, the side wall of one end of the upper base and the lower base is protruded, the protruded plane is perpendicular to the wall surface, and the recess surrounded by the protruded plane is matched with the movable baffle.

[0017] Preferably, the bolt assembly comprises a movable baffle positioning hole, a movable baffle positioning bolt and a nut matched with the movable baffle positioning bolt, and the corresponding movable baffle positioning bolts are fixedly arranged on the upper base and the lower base, and the movable baffle positioning hole is formed at the position corresponding to the movable baffle positioning bolt on the upper base and the lower base.

[0018] Preferably, the movable baffle has more than one group, and the movable baffles of more than one group are spliced to form a structure matched with the cable.

[0019] Preferably, a steel sleeve is embedded in the perforation of the wall surface, and the foamed fireproof sealing material is arranged between the cable and the steel sleeve.

[0020] Preferably, the foamed fireproof sealing material is provided with an elastic fireproof sealing layer on the contact surface of the upper base, the lower base, the movable baffle and the cable.

[0021] Preferably, the elastic fireproof sealing layer is a silicone fireproof sealing glue or a polyurethane fireproof sealing glue.

[0022] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the split type, can be in the project that has completed the technology reform use, solve historical problem, and consider the electric power safety factor in the assembly of split type device, use bolt connection guarantee strength requirement, bolt connection can reduce the damage of welding high temperature to cable and the difficulty of cable replacement, cable secondary crossing maintenance, can bear 15 meters above water pressure demand and fireproof sealing requirement. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0024] Figure 1 It is the installation structure schematic diagram of the utility model;

[0025] Figure 2 It is the installation structure schematic diagram A-A direction view of the utility model;

[0026] Figure 3 It is the assembly front structure schematic diagram of the utility model;

[0027] Figure 4 It is the B-B direction view of the assembly structure schematic diagram of the utility model.

[0028] 1, upper baseplate;2, movable baffle;3, baseplate fixing bolt;4, lower baseplate;5, movable baffle positioning hole;6, baseplate connecting bolt;7, movable baffle positioning bolt;8, steel sleeve;9, elastic fireproof sealing layer;10, foam fireproof sealing material;11, insulation anticorrosion waterproof coating. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0030] One embodiment of the utility model:

[0031] As Figures 1-4As shown, the split cable hole fireproof waterproof pressure sealing device comprises an upper base 1, a movable baffle 2, a base fixing bolt 3, a lower base 4, a movable baffle positioning hole 5, a base connecting bolt 6, a movable baffle positioning bolt 7, a steel sleeve 8, an elastic fireproof sealing layer 9, a foam fireproof sealing material 10 and an insulating anticorrosive waterproof coating 11.

[0032] The elastic fireproof sealing layer 9 adopts silicone fireproof sealing glue or polyurethane fireproof sealing glue; and the insulating anticorrosive waterproof coating 11 adopts power equipment insulating anticorrosive waterproof paint.

[0033] The upper base 1 and the lower base 4 are provided with connecting holes in the side walls, and the base connecting bolt 6 passes through the connecting holes to connect the upper base 1 and the lower base 4;

[0034] The upper base 1 and the lower base 4 are provided with the elastic fireproof sealing layer 9 between the side walls and the wall surface.

[0035] The base connecting bolt 6 is an expansion bolt, and a connecting hole is formed in the side wall of the wall surface, and the expansion bolt is embedded in the connecting hole, so that the connection of the upper base 1 and the lower base 4 with the wall surface is more stable.

[0036] The side walls of one end of the upper base 1 and the lower base 4 are protruded, the protruded planes are perpendicular to the wall surface, and the pressure on the sealing material can be reduced.

[0037] The movable baffle 2 is fixedly connected to the upper base 1 and the lower base 4 by a bolt assembly, and the movable baffle 2 has more than one group, and the movable baffles in more than one group are spliced to form a structure matched with the cable.

[0038] The bolt assembly comprises the movable baffle positioning hole 5, the movable baffle positioning bolt 7 and a nut matched with the movable baffle positioning bolt 7; the upper base 1 and the lower base 4 are both fixedly provided with corresponding movable baffle positioning bolts 7, and the movable baffle positioning hole 5 is formed at the position corresponding to the movable baffle positioning bolt 7 of the upper base 1 and the lower base 4.

[0039] The upper base 1, the lower base 4, the movable baffle 2 and the surface of the cable are provided with the insulating anticorrosive waterproof coating 11.

[0040] The cable passes through the movable baffle 2, and the movable baffle 2 and the cable are provided with the elastic fireproof sealing layer 9.

[0041] The steel sleeve 8 is embedded in the perforation of the wall surface, and the foam fireproof sealing material 10 is arranged between the cable and the steel sleeve 8.

[0042] The contact surfaces of the foam fireproof sealing material 10, the upper base 1, the lower base 4, the movable baffle 2 and the cable are all provided with the elastic fireproof sealing layer 9.

[0043] Before installing the split type cable water pressure resistant fireproof device, the pipeline is cleaned first. After cleaning, the steel sleeve 8 is embedded on the pipeline, and the foam fireproof sealing material 10 is added on the steel sleeve 8, so that the hole diameter of the pipeline is matched with the cable hole diameter; then the elastic fireproof sealing layer 9 is added on the contact surface of the foam fireproof sealing material 10, the upper base 1, the lower base 4, the movable baffle 2 and the cable, which plays a role of fireproofing and sealing. Then, the elastic fireproof sealing layer 9 with a thickness of about 3mm is applied on the wall surface, and the upper base 1 and the lower base 4 are fixed on the wall surface through the base fixing bolt 3, and then the upper base 1 and the lower base 4 are connected through the base connecting bolt 6. After that, the movable baffle 2 matched with the cable hole diameter is selected, the movable baffle positioning bolt 7 is connected with the matched nut through the movable baffle positioning hole 5, and the movable baffle 2 is fixed on the upper base 1 and the lower base 4. Finally, the insulation corrosion and waterproof coating 11 is added on the outer surface of the upper base 1, the lower base 4, the movable baffle 2 and the cable, and the device is sealed and reinforced again.

[0044] The upper base 1, the movable baffle 2, the base fixing bolt 3, the lower base 4, the movable baffle positioning hole 5, the base connecting bolt 6, the movable baffle positioning bolt 7 and the steel sleeve 8 are made of stainless steel, so that the device has corrosion resistance; the sealing performance of the device is improved through the foam fireproof sealing material 10 and the elastic fireproof sealing layer 9, the fireproofing, waterproofing performance of the device is improved, and the corrosion resistance of the upper base 1, the lower base 4 and the movable baffle 2 under water is improved; the waterproofing, corrosion resistance and fireproofing performance are improved through the secondary sealing and reinforcement of the insulation corrosion and waterproof coating 11; the split type upper base 1, lower base 4 and movable baffle 2 make the device applicable to the built cable and suitable for cables with different hole diameters, and reduce the pressure on the sealing material.

[0045] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A split-type fireproof and water-pressure resistant sealing device for cable holes, wherein the cable passes through a hole located in an underground wall, characterized in that: It includes an upper base (1), a movable baffle (2), a base fixing bolt (3), a lower base (4), a base connecting bolt (6), an elastic fireproof sealing layer (9), a foam fireproof sealing material (10), and an insulating, anti-corrosion, and waterproof coating (11); The upper base (1) and the lower base (4) are connected by base connecting bolts (6); The upper base (1) and the lower base (4) are fixed to the wall by base fixing bolts (3); Both the upper base (1) and the lower base (4) are provided with an elastic fireproof sealing layer (9) between themselves and the wall. The movable baffle (2) is fixedly connected to the upper base (1) and the lower base (4) by bolt assembly; The space between the cable and the wall perforation is filled with foam fireproof sealing material (10); The upper base (1), lower base (4), movable baffle (2) and the outer surface of the cable are provided with an insulating, anti-corrosion and waterproof coating (11).

2. The split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The base fixing bolt (3) is an expansion bolt, and a connection hole is provided on the side wall of the wall, and the expansion bolt is embedded in the connection hole.

3. The split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The side wall of the upper base (1) and the lower base (4) are connected to each other. The protruding plane is perpendicular to the wall surface, and the groove enclosed by the protruding plane is adapted to the movable baffle (2).

4. A split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The bolt assembly includes a movable baffle positioning hole (5), a movable baffle positioning bolt (7), and a nut that matches the movable baffle positioning bolt (7); the upper base (1) and the lower base (4) are both fixedly provided with corresponding movable baffle positioning bolts (7), and the movable baffle positioning hole (5) is opened at the position of the movable baffle positioning bolt (7) on the upper base (1) and the lower base (4).

5. A split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The movable baffle (2) has one or more sets, and the movable baffles (2) are spliced ​​together to form a structure that is compatible with the cable.

6. A split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The wall has a perforation with a steel sleeve (8) embedded in it, and a foam fireproof sealing material (10) is placed between the cable and the steel sleeve (8).

7. A split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 6, characterized in that: The foam fireproof sealing material (10) has an elastic fireproof sealing layer (9) on the contact surfaces with the upper base (1), lower base (4), movable baffle (2) and cable.

8. A split-type fireproof and water-pressure resistant sealing device for cable holes according to claim 1, characterized in that: The elastic fireproof sealing layer (9) is a silicone fireproof sealant or a polyurethane fireproof sealant; the insulating, anti-corrosion and waterproof coating (11) is an electrical equipment insulating, anti-corrosion and waterproof coating.

Images