Plugging structure for cable fire prevention

Abstract

The utility model discloses a plugging structure for cable fire prevention, and belongs to the technical field of power construction equipment. Comprising an outer curing frame, a transverse partition plate is transversely arranged in the middle of the outer curing frame, the interior of the outer curing frame is divided by the transverse partition plate to form discharging cavities distributed up and down, a plurality of blocking materials are arranged in the discharging cavities, and the blocking materials comprise a top blocking material and a bottom blocking material which are arranged up and down; the outer curing frame is arranged and used for externally pouring cement to achieve installation of the whole inner blocking materials, meanwhile, the outer curing frame is matched with the sliding grooves formed in the top and one side of the top, the longitudinal partition plates arranged at the sliding grooves in a sliding mode can seal gaps among the blocking materials, and the two ends of the outer curing frame are prevented from being communicated; according to the plugging material, the top plugging material and the bottom plugging material are stacked up and down to achieve the sealing effect on one end of the cable, and meanwhile the bottom plugging material and the top plugging material are the same in structure and convenient to prepare.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric power construction equipment, specifically relates to a plugging structure for cable fire prevention. BACKGROUND

[0002] Electric power is an energy source with electric energy as power. The large-scale electric power system appeared in the 20th century is one of the most important achievements in the history of human engineering science, and is an electric power production and consumption system composed of power generation, power transmission, power transformation, power distribution and power utilization.

[0003] For the storage of underground pipelines, it is necessary to prevent sewage, sewage and animals from entering the pipeline storage pipeline, and it is necessary to seal the mouth of the pipeline connection channel, thereby producing a sealing structure. INVENTION CONTENTS

[0004] The utility model mainly solves the technical problems existing in the prior art, and provides a plugging structure for cable fire prevention.

[0005] The above technical problems of the utility model are mainly solved through the following technical scheme: a plugging structure for cable fire prevention, including outer solidification frame, the middle part of outer solidification frame is provided with horizontal partition plate in transverse direction, the horizontal partition plate separates the inside of outer solidification frame and forms the laydown cavity distributed in upper and lower, a plurality of stoppages are arranged in the laydown cavity, the stoppage includes two top stoppage and bottom stoppage arranged in upper and lower, the cavity for cable insertion is formed between the top stoppage and bottom stoppage.

[0006] As preferred, the top and bottom of the front of the outer solidification frame are provided with a sliding groove, a plurality of longitudinal partition plates for separating the stoppage are inserted in the laydown cavity, and the longitudinal partition plate is provided with a sliding block inserted in the sliding groove.

[0007] As preferred, the top stoppage and bottom stoppage are the same structure, the bottom stoppage includes sleeve and supporting leg, the supporting leg is arranged on the front and back of the bottom of sleeve, the inner wall of the cavity for cable insertion of sleeve is provided with middle sleeve base, the both ends of middle sleeve base extend to the outside of both ends of sleeve, and side ring is formed, the end of side ring is provided with first plug-in groove around the outer ring of cavity, the inner wall of middle sleeve base is pasted with bottom gasket, and the both ends of bottom gasket are respectively provided with end gasket.

[0008] As preferred, the bottom gasket and end gasket are made of rubber material, and the both ends of bottom gasket extend to the side ring and form side hoop.

[0009] As preferred, the first plug-in slot is plugged with a half sleeve, the half sleeve is provided with a plug-in ring corresponding to the first plug-in slot, the half sleeve and the side ring form a second plug-in slot for the insertion of the side hoop, the left and right ends of the half sleeve are provided with side seats, the side seats are provided with mounting grooves, and the mounting grooves are provided with fixed bolts, and the two ends of the fixed bolts are both threaded with nuts.

[0010] The utility model has the beneficial effects that: through the setting of the outer solidification frame, the outer solidification frame is used for external cement pouring to play the installation of whole internal blocking material, and the sliding groove provided on the top and one side of the top is matched, the longitudinal partition plate slidingly arranged at the sliding groove can seal the gap between the plurality of blocking materials, prevent the two ends of the outer solidification frame from being communicated, and the blocking material is sealed to one end of the cable through the mutual up-down stacking of the top blocking material and the bottom blocking material, and the bottom blocking material and the top blocking material are of the same structure, so the preparation is convenient, the middle sleeve is sleeved with the middle sleeve seat, the middle sleeve seat and the sleeve are made of hard material, the strength of the outside is increased, a plurality of bottom gaskets are arranged in the middle sleeve seat, end gaskets are arranged at the two ends of the bottom gasket, the tightness of the cable stored in the end head is increased, the two ends of the bottom gasket extend outward and are bent to form a side hoop, the half sleeves sleeved at the two ends are matched to extrude the side hoop inward, the cable and the end head are more tightly connected, and the two half sleeves are clamped on the surface of the cable through the fixed bolts and the nuts. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0012] Figure 2 It is a three-dimensional structure schematic view of the utility model blocking material;

[0013] Figure 3 It is a three-dimensional structure schematic view of the utility model bottom blocking material;

[0014] Figure 4 It is Figure 3 It is an enlarged structure schematic view of the middle A.

[0015] In the drawing: 1, outer solidification frame; 11, horizontal partition plate; 12, discharging cavity; 13, sliding groove; 2, longitudinal partition plate; 21, sliding block; 3, top blocking material; 4, bottom blocking material; 41, sleeve; 42, supporting leg; 43, middle sleeve seat; 431, side ring; 432, first plug-in slot; 44, bottom gasket; 441, side hoop; 45, end head gasket; 46, half sleeve; 461, side seat; 462, plug-in ring; 463, mounting groove; 464, second plug-in slot; 47, fixed bolt; 471, nut. DETAILED DESCRIPTION

[0016] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0017] Example: A sealing structure for fireproofing cables, such as... Figures 1-4 As shown, the device includes an outer curing frame 1. The top and bottom of the front of the outer curing frame 1 are provided with grooves 13. Multiple longitudinal partitions 2 for separating the blockage material are inserted into the discharge cavity 12. Slider 21 is inserted into the grooves 13 corresponding to the longitudinal partitions 2. A transverse partition 11 is arranged horizontally in the middle of the outer curing frame 1. The transverse partition 11 separates the inner part of the outer curing frame 1 to form a discharge cavity 12 distributed vertically. Multiple blockage materials are provided in the discharge cavity 12. The blockage materials include two top blockage materials 3 and bottom blockage materials 4 arranged vertically. A cavity for cable insertion is formed between the top blockage materials 3 and the bottom blockage materials 4.

[0018] The top plug 3 and the bottom plug 4 have the same structure. The bottom plug 4 includes a sleeve 41 and a support leg 42. The support leg 42 is set on the front and rear sides of the bottom of the sleeve 41. The inner wall of the cavity into which the cable is inserted is provided with a middle sleeve seat 43. The two ends of the middle sleeve seat 43 extend to the outer sides of the two ends of the sleeve 41 and form a side ring 431. The end of the side ring 431 is opened with a first insertion groove 432 around the outer ring of the cavity. The inner wall of the middle sleeve seat 43 is covered with a bottom gasket 44. The two ends of the bottom gasket 44 are respectively provided with a head gasket 45. Both the bottom gasket 44 and the head gasket 45 are made of rubber material. The two ends of the bottom gasket 44 extend outward to the side ring 431 to form a side hoop 441. At the same time, multiple layers of bottom gaskets 44 are provided inside the middle sleeve seat 43, and head gaskets 45 are provided at the two ends of the bottom gaskets 44 to increase the tightness of the cable being stored in the head.

[0019] A half-ring 46 is inserted into the first insertion slot 432. A insertion ring 462 is provided in the first insertion slot 432 corresponding to the half-ring 46. A second insertion slot 464 is formed between the half-ring 46 and the side ring 431 for the insertion of the side clamp 441. Side seats 461 are provided at both ends of the half-ring 46. An installation groove 463 is provided on the side seat 461. A fixing bolt 47 is provided in the installation groove 463. Nuts 471 are threaded onto both ends of the fixing bolt 47. The two ends of the bottom gasket 44 extend outward and bend to form a side clamp 441. The half-ring 46 at both ends compresses the side clamp 441 inward, which makes the connection between the cable and the end cap tighter. The two half-rings 46 are clamped to the cable surface by the fixing bolts 47 and nuts 471.

[0020] The utility model discloses a principle: this time through the installation of outer solidification frame 1 in the partition wall in cable chamber, then according to the quantity of cable adjustment the quantity of plugging, simultaneously the material discharging cavity 12 of not installing plugging can adopt cement plugging, also can adopt vertical baffle 2 and seal effect of plugging, then the bottom plugging 4 is placed in the bottom of cable, then according to the width of cable installation different size of middle sleeve seat 43, middle sleeve seat 43 can adopt the size of a plurality of different inner diameters, make it can have good applicability, when middle sleeve seat 43 is installed in the bottom of cable, according to the need addition different quantity's bottom gasket 44, bottom gasket 44 adopts rubber soft material material and makes, and the both ends of bottom gasket 44 extend the both ends of middle sleeve seat 43 and form side hoop 441, increase the close degree of middle sleeve seat 43 and cable connection, simultaneously in the both ends of bottom gasket 44 respectively add end cap gasket 45, then same structure's top plugging 3 is according to the structure setting of bottom plugging 4, and the top of cable is installed with the top plugging 3 of bottom plugging 4 above placement, in the both ends of first insertion slot 432 insert half sleeve ring 46, and the second insertion slot 464 in half sleeve ring 46 is opposite side hoop 441 and plays extrusion, then the fixed bolt 47 and nut 471 between the two half sleeve rings 46 of upper and lower setting play fixed, then install on the surface of cable.

[0021] Finally, it should be noted that the above embodiments are only representative examples of the utility model. Obviously, the utility model is not limited to the above embodiments, and there can be many variations. Any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments shall be considered as falling within the protection scope of the utility model.

Claims

1. A sealing structure for fire protection of electrical cables, comprising an outer solidification frame (1), characterized in that: The middle part of the outer solidification frame (1) is transversely provided with a transverse partition plate (11), which divides the inside of the outer solidification frame (1) to form an upper and lower distribution of the material discharging cavity (12), a plurality of blocking materials are arranged in the material discharging cavity (12), the blocking materials include two upper and lower top blocking materials (3) and bottom blocking materials (4), and a cavity for cable insertion is formed between the top blocking material (3) and the bottom blocking material (4).

2. A fire barrier for electrical cables according to claim 1, characterized in that: The top and bottom of the front of the outer solidification frame (1) is provided with a sliding groove (13), a plurality of longitudinal partition plates (2) for separating the blocking materials are inserted into the material discharging cavity (12), and the longitudinal partition plates (2) are correspondingly provided with sliding blocks (21) inserted into the sliding grooves (13).

3. The firestop structure for electrical cables of claim 1, wherein: The top blocking material (3) and the bottom blocking material (4) are the same in structure, the bottom blocking material (4) includes a sleeve (41) and a supporting leg (42), the supporting leg (42) is arranged on the front and back sides of the bottom of the sleeve (41), the inner wall of the sleeve (41) corresponding to the cable insertion cavity is provided with a middle sleeve base (43), the two ends of the middle sleeve base (43) extend to the outside of the two ends of the sleeve (41) and form a side ring (431), the end of the side ring (431) is provided with a first plug-in groove (432) around the outer ring of the cavity, and the inner wall of the middle sleeve base (43) is pasted with a bottom gasket (44), and the two ends of the bottom gasket (44) are respectively provided with end cap gaskets (45).

4. The firestop structure for electrical cables according to claim 3, wherein: The bottom gasket (44) and the end cap gasket (45) are made of rubber material, and the two ends of the bottom gasket (44) extend outward to the side ring (431) to form a side hoop (441).

5. A fire barrier for electrical cables according to claim 4, wherein: The first plug-in groove (432) is inserted with a half sleeve ring (46), the half sleeve ring (46) is provided with a plug-in ring (462) corresponding to the first plug-in groove (432), a second plug-in groove (464) for the insertion of the side hoop (441) is formed between the half sleeve ring (46) and the side ring (431), the left and right ends of the half sleeve ring (46) are provided with side bases (461), the side bases (461) are provided with mounting grooves (463), the mounting grooves (463) are provided with fixed bolts (47), and the two ends of the fixed bolts (47) are both threadedly sleeved with nuts (471).

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