CN219976693U - Assembled rail top air duct structure - Google Patents

Abstract

The utility model discloses an assembled rail top air duct structure, which comprises a hanging plate, wherein the upper surface of the hanging plate is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a wall surface through an expansion bolt, a plurality of assembled air ducts are arranged below the hanging plate, the assembled air ducts are connected with the hanging plate in a sliding way, and two adjacent assembled air ducts are connected through a buckle; the utility model can realize the rapid installation of the assembled air duct pipe, can save a large number of installation holes and improve the overall stability.

Description

Assembled rail top air duct structure

Technical Field

The utility model belongs to the technical field of assembled air channels, and particularly relates to an assembled rail-top air channel structure.

Background

The rail top air channel is an important component part of the secondary structure of the subway station, is positioned at the junction position of the station middle plate and the structural side wall and is suspended on the bottom surface of the station middle plate. The rail top air duct has four main functions, namely, a ventilation and heat dissipation function during train operation, a smoke discharging function when a fire disaster occurs in a rail running area, a mounting component on the upper part of the platform door, and a fixing base surface of the overhead contact system. Because of the reasons of the shield starting period node, shield station crossing and the like, connecting steel bars and secondary structure pouring holes are reserved in the middle plate of the main structure in China, a cast-in-place method is adopted to construct the rail top air duct after the construction of the main structure is completed, and the cast-in-place method has the defects of narrow working face space, difficult construction, high safety risk, long construction period, difficult guarantee of construction quality and the like.

The rail top air channel structure is in stress connection with the main structure middle plate and the sealing mode at the joint is an important point of the design of the assembled rail top air channel, the prior mode adopts the embedded screw on the rail top air channel side wall, the embedded screw is connected through the holes on the main structure middle plate in a bolt mode, a large number of mounting holes are required to be formed in the air channel in a bolt connection mode, the processing speed is low, and the strength and the stability of the air channel are reduced.

Disclosure of Invention

The utility model aims to solve the problems that the existing air duct pipelines are mostly connected through bolts, so that the installation time is long, the strength and stability of an air duct are reduced due to perforation, and the like.

The utility model realizes the above purpose through the following technical scheme: the hanging plate comprises a hanging plate, the upper surface of the hanging plate is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a wall surface through an expansion bolt, a plurality of assembled air channels are arranged below the hanging plate, the assembled air channels are connected with the hanging plate in a sliding manner, and two adjacent assembled air channels are connected through buckles.

Further, the pin-connected panel wind channel includes the wind channel pipe, the wind channel pipe is the U type, wind channel pipe both sides top all is equipped with T type slider, the link plate is in the spout has been seted up to T type slider corresponding position, the buckle groove has all been seted up in the four corners on the wind channel pipe lateral surface, wind channel pipe one end is equipped with the locating strip, and the other end is equipped with the constant head tank, adjacent two wind channel pipes pass through locating strip and constant head tank mutual location.

Further, the buckle includes U type piece, the inside both sides of U type piece all are equipped with the clamping piece, the clamping piece with U type piece passes through T type slide bar and connects, T type slide bar runs through U type piece, on the T type slide bar outer diameter face and be located U type piece with be equipped with the spring between the clamping piece, U type piece outside both sides all are equipped with V type roof, V type roof turn the department with U type piece is connected through the pivot, V type roof is in T type slide bar corresponds the position and has seted up and dodges the groove.

Further, the length of the U-shaped block is smaller than that of the buckling groove.

Further, two adjacent hanging plates are fixedly connected through a plurality of bolts, and the adjacent sliding grooves are parallel to each other.

The beneficial effects are that: the utility model has reasonable design, simple and stable structure and strong practicability, and has the following beneficial effects: after the expansion wires are driven into the wall, the connecting plates are fixedly connected with the hanging plate, the hanging plate is installed and fixed on the wall top through the connecting plates, the air duct pipes are installed on the hanging plate through the T-shaped sliding blocks and the sliding grooves, two adjacent air duct pipes are mutually spliced through the positioning blocks and the positioning grooves, one end of the V-shaped top plate is pinched finally, the V-shaped top plate jacks up the T-shaped sliding rods, the T-shaped sliding rods open the clamping pieces, the clamping pieces are clamped in the clamping grooves of the two air duct pipes, the clamping pieces are clamped by the force of the springs, and therefore the air duct pipes can be installed after the four clamping pieces are clamped, the installation of the air duct pipes is greatly shortened, a large number of holes are omitted, and the stability of the air duct is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the duct structure of the present utility model;

FIG. 3 is a schematic diagram of the air duct pipe in full section;

fig. 4 is a schematic view of a buckle structure according to the present utility model.

In the figure: 1-hanging plate, 2-connecting plate, 3-assembled air duct, 4-buckle and 5-chute;

31-air duct pipe, 32-T-shaped sliding block, 33-fastening groove, 34-positioning bar, 35-positioning groove, 41-U-shaped block, 42-clamping piece, 43-T-shaped sliding rod, 44-spring, 45-V-shaped top plate and 46-avoiding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The assembled rail top air duct structure shown in the combination of fig. 1 comprises a hanging plate 1, wherein the upper surface of the hanging plate 1 is fixedly connected with a connecting plate 2, the connecting plate 2 is fixedly connected with a wall surface through an expansion bolt, a plurality of assembled air ducts 3 are arranged below the hanging plate 1, the assembled air ducts 3 are in sliding connection with the hanging plate 1, and two adjacent assembled air ducts 3 are connected through a buckle 4.

The assembled air duct 3 shown in fig. 2 and 3 includes an air duct pipe 31, the air duct pipe 31 is in a U shape, T-shaped sliding blocks 32 are arranged above two sides of the air duct pipe 31, sliding grooves 5 are formed in corresponding positions of the T-shaped sliding blocks 32, buckling grooves 33 are formed in four corners on the outer side face of the air duct pipe 31, one end of the air duct pipe 31 is provided with a locating strip 34, the other end of the air duct pipe is provided with a locating groove 35, two adjacent air duct pipes 31 are mutually located through the locating strip 34 and the locating groove 35, a clamping piece 42 is arranged on two sides inside the U-shaped block 41 in a clamping manner, the clamping piece 42 is connected with the U-shaped block 41 through T-shaped sliding rods 43, the T-shaped sliding rods 43 penetrate through the U-shaped block 41, springs 44 are arranged on the outer diameter faces of the T-shaped sliding rods 43 and between the U-shaped block 41 and the clamping pieces 42, V-shaped top plates 45 are arranged on two outer sides of the U-shaped block 41, the V-shaped top plates 45 are connected with the U-shaped block 41 through rotating shafts at corner positions, the corresponding positions of the T-shaped top plates 43, quick connection of the pipe can be achieved, the length of the U-shaped block 41 is smaller than the U-shaped block 41, the two adjacent buckling grooves are convenient to install the adjacent air duct pipes, and the two parallel to each other through the sliding grooves 5 are convenient to install.

Working principle: according to the utility model, after the expansion wires are driven into the wall, the connecting plate is fixedly connected with the hanging plate, the hanging plate is installed and fixed on the wall top through the connecting plate, the air duct pipe is installed on the hanging plate through the mutual matching of the T-shaped sliding blocks and the sliding grooves, two adjacent air duct pipes are mutually inserted through the positioning blocks and the positioning grooves, one end of the V-shaped top plate is pinched finally, the V-shaped top plate jacks up the T-shaped sliding bars, the T-shaped sliding bars open the clamping pieces, the clamping pieces are clamped in the clamping grooves of the two air duct pipes, the clamping pieces are clamped with the force of the springs, and thus, the installation of the air duct pipes can be completed after the four clamping pieces are clamped, so that the installation of the air duct pipes is greatly shortened, a large number of holes are omitted, and the stability of the air duct is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides an assembled rail roof wind channel structure, includes link plate, its characterized in that: the hanging plate is fixedly connected with a connecting plate on the upper surface, the connecting plate is fixedly connected with a wall surface through an expansion bolt, a plurality of assembled air channels are arranged below the hanging plate, the assembled air channels are connected with the hanging plate in a sliding mode, and two adjacent assembled air channels are connected through buckles.

2. The fabricated rail head air duct structure of claim 1, wherein: the assembled air duct comprises an air duct pipe, the air duct pipe is U-shaped, T-shaped sliding blocks are arranged above two sides of the air duct pipe, sliding grooves are formed in corresponding positions of the T-shaped sliding blocks through hanging plates, fastening grooves are formed in four corners on the outer side face of the air duct pipe, positioning strips are arranged at one end of the air duct pipe, positioning grooves are formed in the other end of the air duct pipe, and two adjacent air duct pipes are mutually positioned through the positioning strips and the positioning grooves.

3. The fabricated rail head air duct structure of claim 1, wherein: the buckle includes U type piece, the inside both sides of U type piece all are equipped with the clamping piece, the clamping piece with U type piece passes through T type slide bar connection, T type slide bar runs through U type piece, on the T type slide bar outer diameter face and be located U type piece with be equipped with the spring between the clamping piece, U type piece outside both sides all are equipped with V type roof, V type roof in angle turn department with U type piece is connected through the pivot, V type roof is in T type slide bar corresponds the position and has seted up and dodges the groove.

4. A fabricated rail head air duct structure as defined in claim 3, wherein: the length of the U-shaped block is smaller than that of the clamping groove.

5. The fabricated rail head air duct structure of claim 2, wherein: two adjacent hanging plates are fixedly connected through a plurality of bolts, and the adjacent sliding grooves are parallel to each other.