L-shaped tunnel fireproof partition plate device

Abstract

The utility model relates to the technical field of cable fire prevention, in particular to an L-shaped tunnel fireproof partition plate device which comprises a fireproof plate support and a fireproof partition plate, the fireproof plate support comprises profile strips and L-shaped supporting strips, a supporting seat is welded to the top of each L-shaped supporting strip, a cavity is formed in each supporting seat, tooth rows A are symmetrically arranged on the tops of the cavities, and the profile strips are arranged in the tooth rows A; a tooth row B is arranged on the surface of one end of each bottom plate, a connecting seat is fixedly arranged at the other end of each bottom plate, and a matching hole is formed in the surface of the top of each connecting seat. According to the technical scheme, the bottom plate can slide in the supporting seat, meanwhile, when the fireproof partition plate is fixedly connected with the connecting seat through the bolts, the tooth row B is meshed with the tooth row A, and meanwhile the fireproof partition plate is in attached contact with the surface of the top of the supporting seat, so that the fireproof partition plate, the bottom plate and the supporting seat are stably connected; on-site punching and fixing in the installation process are not needed, and the installation period of the fireproof partition plate is greatly shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable fireproof technical field, concretely is a kind of L type tunnel fireproof partition device. BACKGROUND

[0002] The laying mode of the cable in the tunnel is as follows: arranging a stand column against the wall, supporting and installing a plurality of layers of supporting arms on the surface of the stand column, laying and installing a fireproof partition on the surface of each layer of supporting arms, and separating layers by the fireproof partition to achieve the separation and placement of the upper and lower cable supports and improve the safety of the upper and lower cable.

[0003] In the process of realizing the utility model, the inventor finds that the above-mentioned patent has not solved at least the following problems: after the stand column is fixed, the fireproof partition needs to be drilled on site to realize the stable connection between the fireproof partition and the stand column. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an L type tunnel fireproof partition device to solve the problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an L type tunnel fireproof partition device, comprising a fireproof plate support, a fireproof partition connected to one end of the fireproof plate support, the fireproof plate support comprising a profile bar fixed to the tunnel wall, a plurality of L type supporting bars connected perpendicularly to the profile bar, a supporting seat welded to the top of each L type supporting bar, a cavity formed in the supporting seat, a tooth row A symmetrically arranged on the top of the cavity about a vertical center line, a bottom plate slidingly embedded at both ends of the cavity, a tooth row B arranged on the surface of the end of the bottom plate close to the cavity, a connecting seat fixed to the end of the bottom plate away from the cavity, a matching hole for connecting the fireproof partition formed on the top surface of the connecting seat, and the fireproof partition detachably connected to the connecting seat by a bolt.

[0006] Further, the horizontal length of the bottom plate is half of the horizontal length of the cavity.

[0007] Further, the tooth row B is engaged with the tooth row A when the fireproof partition is tightly connected to the connecting seat by a bolt.

[0008] Further, the fireproof partition plate is in close contact with the top surface of the supporting seat when the fireproof partition plate is fastened with the connecting seat by the bolt.

[0009] Further, the several L-shaped supporting strips are arranged equidistantly on the surface of the strip in vertical alignment, and the interval of the adjacent two L-shaped supporting strips is 30cm.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] The bottom plate can slide in the supporting seat, which is beneficial to the supporting installation of the fireproof partition plate of the prefabricated hole and the L-shaped supporting strip of the fixed position, and the tooth row B is engaged with the tooth row A at the same time when the fireproof partition plate is fastened with the connecting seat by the bolt, and the fireproof partition plate is in close contact with the top surface of the supporting seat, so that the fireproof partition plate, the bottom plate and the supporting seat are stably connected, and the installation period of the fireproof partition plate is greatly shortened without on-site punching and fixing in the installation process. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0013] Fig. 1 It is an assembly schematic view of the L-shaped tunnel fireproof partition plate device of the utility model;

[0014] Fig. 2 It is an assembly schematic view of the supporting seat and the bottom plate;

[0015] Fig. 3 It is a sectional view of the assembly of the supporting seat and the bottom plate.

[0016] In the figure: 1, strip; 2, L-shaped supporting strip; 3, fireproof partition plate; 4, bolt; 5, supporting seat; 6, cavity; 7, bottom plate; 8, connecting seat; 801, matching hole; 9, tooth row A; 10, tooth row B. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] Embodiment 1, as Figs. 1-3As shown, the utility model provides a technical scheme: a kind of L-type tunnel fireproof partition device, including fireproof board support, the fireproof partition 3 of the one end of fireproof board support connection, fireproof board support includes with the fixed profiled bar 1 of tunnel wall, the vertical connection of several L-type support bars 2 of profiled bar 1, each L-type support bar 2 top is welded with support seat 5, cavity 6 is set in support seat 5 inside, cavity 6 top is symmetrically provided with gear row A 9 about vertical center line, cavity 6 both ends are embedded and slidably provided with bottom plate 7, the surface of one end of bottom plate 7 close to cavity 6 is provided with gear row B 10, the one end of bottom plate 7 away from cavity 6 is fixedly provided with connecting seat 8, and the top surface of connecting seat 8 is provided with the matching hole 801 for being connected with fireproof partition 3, and fireproof partition 3 is detachably connected with connecting seat 8 by bolt 4.

[0019] In one embodiment of the utility model, profiled bar 1, L-type support bar 2, profiled bar 1, support seat 5 are fixed on both sides of L-type tunnel inner wall equidistantly in advance, and profiled bar 1 has been welded when being produced in factory, and the interval between adjacent profiled bars 1 is similar to the length of fireproof partition 3, when installing fireproof partition 3, the position of bottom plate 7 is adjusted according to the installation hole position reserved for fireproof partition 3, so that the matching hole 801 is vertically aligned with the installation hole reserved for fireproof partition 3, then bolt 4 is threadedly connected with the matching hole 801, and bottom plate 7 is lifted during the threadedly connecting process, so that gear row B 10 is engaged with gear row A 9, at this time, bottom plate 7 cannot move horizontally any more, so that the position limitation of bottom plate 7 is completed synchronously during the assembly of fireproof partition 3 and bottom plate 7, and subsequent drilling for fixing bottom plate 7 is not needed.

[0020] In the preferred technical scheme, the horizontal length of bottom plate 7 is half of the horizontal length of cavity 6, so that bottom plate 7 can be completely received in cavity 6, and the transverse adjustment length of bottom plate 7 is increased.

[0021] In the preferred technical scheme, when fireproof partition 3 is tightly connected with connecting seat 8 by bolt 4, gear row B 10 is engaged with gear row A 9, and fireproof partition 3 is in contact with the top surface of support seat 5, at this time, bottom plate 7 cannot move horizontally any more, so that the position limitation of bottom plate 7 is completed synchronously during the assembly of fireproof partition 3 and bottom plate 7, subsequent drilling for fixing bottom plate 7 is not needed, and the installation efficiency of fireproof partition 3 is improved.

[0022] In the preferred technical scheme, several L-type support bars 2 are vertically aligned and equidistantly arranged on the surface of profiled bar 1, and the interval between the two adjacent L-type support bars 2 is 30cm, so that multiple fireproof partitions 3 can be arranged for supporting cables.

[0023] In summary, the embodiment provides a structure for improving the installation efficiency of L-shaped tunnel fireproof partition, the installation cooperation of the fireproof partition 3 and the bottom plate 7 can be flexibly adjusted by sliding the bottom plate 7 in the support seat 5, without the need for on-site positioning and drilling, the top of the cavity 6 is symmetrically provided with a tooth row A9 about the vertical center line, and the surface of one end of the bottom plate 7 close to the cavity 6 is provided with a tooth row B10, during the installation of the fireproof partition 3, the position of the bottom plate 7 is adjusted according to the position of the reserved mounting hole of the fireproof partition 3, so that the cooperation hole 801 is vertically aligned with the reserved mounting hole of the fireproof partition 3, then the bolt 4 is threadedly connected with the cooperation hole 801, the bottom plate 7 rises during the thread cooperation, so that the tooth row B10 is engaged with the tooth row A9, at this time the bottom plate 7 cannot move horizontally any more, so that the position limitation of the bottom plate 7 is completed synchronously during the assembly of the fireproof partition 3 and the bottom plate 7, without the need for subsequent drilling for the fixation of the bottom plate 7, thereby greatly improving the installation flexibility and efficiency of the fireproof partition 3.

Claims

1. An L-shaped tunnel fireproof partition device, characterized in that: The system includes a fireproof board support and a fireproof partition (3) connected to one end of the fireproof board support. The fireproof board support includes a strip (1) fixed to the tunnel wall and several L-shaped support strips (2) perpendicularly connected to the strip (1). Each L-shaped support strip (2) has a support seat (5) welded to its top. The support seat (5) has a cavity (6) inside. The top of the cavity (6) is symmetrically provided with toothed rows A (9) about the vertical center line. Both ends of the cavity (6) are fitted with sliding base plates (7). The surface of the base plate (7) near the cavity (6) is provided with toothed rows B (10). The end of the base plate (7) away from the cavity (6) is fixedly provided with a connecting seat (8). The top surface of the connecting seat (8) is provided with a mating hole (801) for connecting with the fireproof partition (3). The fireproof partition (3) is detachably connected to the connecting seat (8) by bolts (4).

2. The L-shaped tunnel fireproof partition device according to claim 1, characterized in that: The horizontal length of the base plate (7) is half the horizontal length of the cavity (6).

3. The L-shaped tunnel fireproof partition device according to claim 2, characterized in that: When the fireproof partition (3) is fastened to the connecting seat (8) by bolts (4), the toothed rack B (10) meshes with the toothed rack A (9).

4. The L-shaped tunnel fireproof partition device according to claim 3, characterized in that: When the fireproof partition (3) is fastened to the connecting seat (8) by bolts (4), the fireproof partition (3) is in contact with the top surface of the support seat (5).

5. The L-shaped tunnel fireproof partition device according to claim 1, characterized in that: Several L-shaped support bars (2) are vertically aligned and equidistantly arranged on the surface of the bar (1), and the distance between two adjacent L-shaped support bars (2) is set to 30cm~40cm.

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