CN212349834U

CN212349834U - Lifting exhaust hood

Info

Publication number: CN212349834U
Application number: CN202020215048.5U
Authority: CN
Inventors: 刘炬炜
Original assignee: China Automobile Industry Engineering Co Ltd
Current assignee: China Automobile Industry Engineering Co Ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2021-01-15
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses an over-and-under type exhaust hood, including fixed pipe and cover removal pipe in the fixed pipe, it can be relative to remove the pipe fixed pipe carries out the vertical lift displacement, the lower extreme that removes the pipe is connected with the exhaust hood, the exhaust hood is connected with the lift haulage rope, the lift haulage rope is walked around behind the fixed pulley and is connected with electric block. The utility model discloses an over-and-under type exhaust hood through elevating gear, can realize the whole vertical lift of exhaust hood, and the whole lifting of exhaust hood during the non-working can be through switch self-closing ventilation system fan, and the whole decline of exhaust hood during the working is close the pollution sources as far as possible to start ventilation system fan through the switch, improve the ventilation effect.

Description

Lifting exhaust hood

Technical Field

The utility model relates to a ventilation technology field especially relates to an over-and-under type exhaust hood.

Background

In the conventional air exhaust and ventilation design, in order to avoid the logistics interference with a process production line, the cover surface of the air exhaust cover is far away from workpieces and pollution sources, the air exhaust amount is large, and the ventilation effect is poor. The ventilation system runs uninterruptedly, and can not run intermittently according to the process beat, so that the running energy consumption is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting exhaust hood aiming at the technical defects existing in the prior art.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides an over-and-under type exhaust hood, is in including fixed pipe and cover removal pipe in the fixed pipe, it can be relative to remove the pipe fixed pipe carries out the vertical lift displacement, the lower extreme that removes the pipe is connected with the exhaust hood, the exhaust hood is connected with the lift haulage rope, the lift haulage rope is walked around behind the fixed pulley and is connected with electric block.

The exhaust hood is connected with the bottom of the moving pipe through a flange and a bolt, and the bottom of the moving pipe and the upper end of the exhaust hood are respectively provided with a corresponding matched connecting flange.

The exhaust hood is a zigzag exhaust hood, a baffle plate which is horizontally arranged is arranged in the direction of a suction inlet of the exhaust hood main body, and the extension of the baffle plate is smaller than the rectangular extension of the suction inlet of the exhaust hood main body, so that the suction inlet which is rectangular as a whole forms a suction channel all around, and even if smoke is sucked all around and then discharged.

The utility model discloses an over-and-under type exhaust hood through elevating gear, can realize the whole vertical lift of exhaust hood, and the whole lifting of exhaust hood during the non-working can be through switch self-closing ventilation system fan, and the whole decline of exhaust hood during the working is close the pollution sources as far as possible to start ventilation system fan through the switch, improve the ventilation effect.

Drawings

FIG. 1 is a schematic view of the elevating exhaust hood of the present invention in a working state;

FIG. 2 is a schematic view of the elevating hood in a non-operational state;

FIG. 3 is a schematic view of a rectangular-shaped exhaust hood;

fig. 4 is a view taken along direction a of fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the utility model discloses an over-and-under type exhaust hood, including fixed pipe and cover removal pipe in the fixed pipe, it can be relative to remove the pipe fixed pipe carries out the vertical lift displacement, the lower extreme that removes the pipe is connected with the exhaust hood, the exhaust hood is connected with the lift haulage rope, the lift haulage rope is connected with electric block 6 after being connected with the fixed pulley. Wherein, the inner wall of the fixed pipe is in sliding contact fit with the outer wall of the movable pipe.

Specifically, the exhaust hood with the bottom of removing the pipe is connected through flange 4 and bolt, the bottom of removing the pipe and the upper end of exhaust hood have corresponding flange that matches respectively.

The fixed pulleys 5 can be 2, are oppositely arranged and fixed at a certain height, are driven by the electric hoist to move, and are driven by the electric hoist to realize the lifting control of the exhaust hood, wherein the number of the traction lifting ropes is two, and each traction lifting rope is divided into two sections according to the lower end of the traction lifting rope and is connected with two connecting points (such as welding or connecting pieces such as connecting rings) on the outer side of the exhaust hood main body so as to ensure the balance control of lifting.

When the lifting control device is used, the lifting control of the exhaust hood is realized by operating and controlling the control key 8 of the control line 7 of the electric hoist.

It should be noted that the exhaust hood may be a conventional exhaust hood, or may be a zigzag exhaust hood as shown in fig. 3 to 4, so as to increase the wind speed of the cover surface and reduce the ventilation volume. The square-shaped exhaust hood is characterized in that a baffle 31 which is horizontally arranged is arranged in the direction of a suction inlet of an exhaust hood main body 32, and the extension of the baffle is smaller than the rectangular extension of the suction inlet of the exhaust hood main body, so that the suction inlet which is rectangular as a whole forms a suction channel around, and even if smoke is sucked from the periphery and then discharged.

Wherein, a smoke exhaust fan (not shown) is arranged at the upper end of the fixed pipe to realize that the smoke formed above the workpiece 10 is exhausted into the dust removal device for treatment and then is exhausted.

The utility model discloses the device is applicable to the continuous production line that needs get rid of the pollutant, and the setting of exhaust hood does not influence the production commodity circulation, improves ventilation effect simultaneously, reduces the volume of airing exhaust, reduces investment and working costs.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an over-and-under type exhaust hood, its characterized in that, including fixed pipe and cover removal pipe in the fixed pipe, it can be relative to remove the pipe fixed pipe carries out the vertical lift displacement, the lower extreme that removes the pipe is connected with the exhaust hood, the exhaust hood is connected with the lift haulage rope, the lift haulage rope is walked around behind the fixed pulley and is connected with electric block.

2. The elevating hood as set forth in claim 1, wherein the hood is connected to the bottom of the moving pipe via a flange and a bolt, and the bottom of the moving pipe and the upper end of the hood have corresponding and matching connecting flanges.

3. The elevating hood as set forth in claim 1, wherein the hood is a zigzag-shaped hood, and a horizontally disposed baffle is disposed in the direction of the suction inlet of the hood body, and the extension of the baffle is smaller than the rectangular extension of the suction inlet of the hood body, so that the suction inlet having a rectangular shape as a whole forms a suction passage around the suction inlet, even if smoke is sucked from the periphery and discharged.