CN219531099U

CN219531099U - Portable fresh air system for electric power construction in narrow space

Info

Publication number: CN219531099U
Application number: CN202223440976.XU
Authority: CN
Inventors: 廖红; 韩光; 唐洋; 赵代弟; 陈润生; 金贯宇; 吴非; 陈琛
Original assignee: Lujiang Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: Lujiang Branch Of Hefei Electric Power Installation Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-08-15
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a portable fresh air system for electric power construction in a narrow space, which comprises an air inlet pipe, a blower arranged at one end of the air inlet pipe, an air guide pipe arranged on the blower, a compression cover plate arranged at one end of the air guide pipe far away from the blower, an air exhaust piece arranged at one end of the compression cover plate far away from the air guide pipe and capable of performing telescopic operation, and a cloth bag filter arranged in the air exhaust piece. According to the portable fresh air system for the narrow space electric power construction, disclosed by the utility model, the filtering requirement of the fresh air system is met while the telescopic operation of the air exhaust piece is realized, the influence on the efficiency of filtering and ventilation operation due to the fact that the distance between the air inlet and the air outlet is too short is avoided, the outer sleeve can be contracted by the surface of the inner sleeve, so that the volume of the whole fresh air system is reduced, the carrying of the fresh air system is facilitated, and the portable fresh air system is suitable for being used in a narrow space.

Description

Portable fresh air system for electric power construction in narrow space

Technical Field

The utility model belongs to the field of electric power construction ventilation, and particularly relates to a portable fresh air system for electric power construction in a narrow space.

Background

The electric power construction is usually complicated in operation environment, and partial operation environment is located narrow space such as tunnel, irrigation canals and ditches, carries out electric power construction operation in narrow space and need be equipped with new trend system and be arranged in discharging a large amount of dust in the construction operation to for electric power constructor provides good construction environment, current new trend system include the air-supply line, locate the forced draught blower of air-supply line one end, locate the guide duct on the forced draught blower, this kind of new trend system is for avoiding the interference of air current, make air intake and air outlet keep enough distance, and then lead to new trend system whole volume great, be inconvenient for carrying new trend system, and be unsuitable for the electric power ventilation in the narrow space and use.

Disclosure of Invention

The utility model aims to provide a portable fresh air system for power construction in a narrow space, so as to provide a portable fresh air system for power construction in the narrow space, which is convenient to carry.

The utility model realizes the above purpose through the following technical scheme:

the portable fresh air system for the electric power construction in the narrow space comprises an air inlet pipe, a blower arranged at one end of the air inlet pipe, an air guide pipe arranged on the blower, a compression cover plate arranged at one end of the air guide pipe far away from the blower, an air exhaust piece which is arranged at one end of the compression cover plate far away from the air guide pipe and can perform telescopic operation, and a cloth bag filter arranged in the air exhaust piece;

the air inlet pipe and the air exhaust piece are connected in a detachable mode through a fastening knob, a supporting plate is further arranged between the air inlet pipe and the air exhaust piece, and two handles are arranged on the supporting plate.

As a further optimization scheme of the utility model, the lifting handle is of a U-shaped structure, and rubber blocks are arranged on the inner side of the middle part of the lifting handle.

As a further optimization scheme of the utility model, the exhaust piece comprises an inner sleeve, an outer sleeve and a fastening screw, wherein the inner sleeve is arranged on one side of the compression cover plate, which is opposite to the air guide pipe, and is provided with a plurality of through holes, the outer sleeve is sleeved on the outer surface of the inner sleeve, and the fastening screw is arranged on the outer surface of the outer sleeve, matched with the through holes and in threaded connection with the through holes.

As a further optimization scheme of the utility model, a baffle ring for placing the cloth bag filter is arranged on the inner side of the inner sleeve.

As a further optimization scheme of the utility model, the air feeder comprises a shell, a wind wheel and a plurality of blades, wherein the shell is respectively communicated with the air inlet pipe and the air guide pipe, the wind wheel is arranged inside and connected with the output end of the motor, and the blades are arranged on the outer surface of the wind wheel.

As a further optimization scheme of the utility model, one side, close to the air guide pipe, of the inner side of the shell is provided with a stop block.

The utility model has the beneficial effects that:

(1) According to the utility model, the air exhausting piece capable of performing telescopic operation is arranged on the compression cover plate of the air guide pipe, the cloth bag filter is arranged on the inner side of the inner sleeve of the air exhausting piece, the telescopic operation of the air exhausting piece is realized, the filtering requirement of a fresh air system is met, the influence of the too short distance between the air inlet and the air outlet on the efficiency of filtering and ventilation operation is avoided, the outer sleeve can be contracted on the surface of the inner sleeve, so that the volume of the whole fresh air system is reduced, the carrying of the fresh air system is facilitated, and the fresh air system is suitable for being used in a narrow space.

Drawings

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

FIG. 2 is a schematic view of the installation of the venting member and bag filter of the present utility model;

fig. 3 is a schematic structural view of the blower of the present utility model.

In the figure: 1. an air inlet pipe; 2. a blower; 3. a handle; 4. a support plate; 5. an exhaust member; 6. an air guide pipe; 7. compressing the cover plate; 8. fastening a knob; 9. a cloth bag filter; 10. a rubber block; 21. a housing; 22. a blade; 23. a wind wheel; 24. a stop block; 51. an inner sleeve; 52. an outer sleeve; 53. a through hole; 54. fastening a screw; 55. a baffle ring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the utility model only and is not to be construed as limiting the scope of the utility model, as various insubstantial modifications and adaptations of the utility model to those skilled in the art can be made in light of the foregoing disclosure.

Example 1

As shown in fig. 1, a portable fresh air system for electric power construction in a narrow space comprises an air inlet pipe 1, a blower 2 arranged at one end of the air inlet pipe 1, an air guide pipe 6 arranged on the blower 2, a compression cover plate 7 arranged at one end of the air guide pipe 6 far away from the blower 2, an air exhaust piece 5 arranged at one end of the compression cover plate 7 far away from the air guide pipe 6 and capable of performing telescopic operation, and a cloth bag filter 9 arranged in the air exhaust piece 5;

wherein, compress tightly and be connected through fastening knob 8 between apron 7 and the piece of airing exhaust 5, still be equipped with backup pad 4 between air-supply line 1 and the piece of airing exhaust 5, be equipped with two handles 3 on the backup pad 4.

As shown in fig. 1 and 2, the handle 3 is in a U-shaped structure, and rubber blocks 10 are arranged on the inner side of the middle part of the handle 3; the exhaust piece 5 comprises an inner sleeve 51 which is arranged at one side of the compression cover plate 7, which is opposite to the air guide pipe 6, and is provided with a plurality of through holes 53, an outer sleeve 52 which is sleeved on the outer surface of the inner sleeve 51, and a fastening screw 54 which is arranged on the outer surface of the outer sleeve 52, is matched with the through holes 53 and is in threaded connection; the inner side of the inner sleeve 51 is provided with the baffle ring 55 for placing the cloth bag filter 9, the outer sleeve 52 can be stretched on the surface of the inner sleeve 51, the short distance between the air inlet and the air outlet is avoided, the efficiency of filtering and ventilation operation is prevented from being influenced, and the interference of air flow is avoided.

As shown in fig. 1 and 3, the blower 2 comprises a casing 21 respectively communicated with the air inlet pipe 1 and the air guide pipe 6, a wind wheel 23 arranged inside and connected with the output end of the motor, and a plurality of blades 22 arranged on the outer surface of the wind wheel 23; a stop block 24 is arranged on one side of the inner side of the shell 21, which is close to the air guide pipe 6, wherein the motor is electrically connected with the storage battery, and the air entering the shell 21 can be fully discharged from the air guide pipe 6 through the stop block 24 when the storage battery is powered.

It should be noted that: when in power construction, a large amount of dust is generated in a narrow space of construction, so that the portable fresh air system is required to be used for dedusting and ventilation operation, firstly, an operator holds the rubber block 10 on the handle 3 by hand, then starts the blower 2, and drives the blades 22 on the wind wheel 23 to rotate, so that external air passes through the air inlet pipe 1 to be blown into the blower 2 and is discharged from the air guide pipe 6 under the action of the blades 22, dust-bearing gas is conveyed into the cloth bag filter 9 in the air exhaust piece 5, dust in the air is trapped into the cloth bag filter 9, and filtered gas is discharged from the outer sleeve 52, so that dedusting and filtering operation of the gas is realized, and the air exhaust piece 5 is a sleeve structure consisting of the inner sleeve 51 and the outer sleeve 52. When the portable fresh air system is not needed to be used, the outer sleeve 52 can be contracted on the surface of the inner sleeve 51, so that the volume of the whole fresh air system is reduced, and the portable fresh air system is convenient to carry.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a portable new trend system at narrow space electric power construction usefulness, includes air-supply line (1), locates forced draught blower (2) of air-supply line (1) one end, locates guide duct (6) on forced draught blower (2), its characterized in that: the air exhaust device further comprises a pressing cover plate (7) arranged at one end, far away from the blower (2), of the air guide pipe (6), an air exhaust piece (5) arranged at one end, far away from the air guide pipe (6), of the pressing cover plate (7) and capable of performing telescopic operation, and a cloth bag filter (9) arranged in the air exhaust piece (5);

the air inlet pipe (1) and the exhaust piece (5) are further provided with a supporting plate (4), and the supporting plate (4) is provided with two handles (3).

2. The portable fresh air system for electric power construction in a confined space of claim 1, wherein: the handle (3) is of a U-shaped structure, and rubber blocks (10) are arranged on the inner side of the middle of the handle (3).

3. The portable fresh air system for electric power construction in a confined space of claim 1, wherein: the exhaust piece (5) comprises an inner sleeve (51) which is arranged on one side of the compression cover plate (7) opposite to the air guide pipe (6) and provided with a plurality of through holes (53), an outer sleeve (52) which is sleeved on the outer surface of the inner sleeve (51), and a fastening screw (54) which is arranged on the outer surface of the outer sleeve (52) and is matched with the through holes (53) in a threaded manner.

4. A portable fresh air system for electric power construction in a confined space according to claim 3, wherein: a baffle ring (55) for placing the cloth bag filter (9) is arranged on the inner side of the inner sleeve (51).

5. The portable fresh air system for electric power construction in a confined space of claim 1, wherein: the air feeder (2) comprises a shell (21) which is respectively communicated with the air inlet pipe (1) and the air guide pipe (6), a wind wheel (23) which is arranged inside and connected with the output end of the motor, and a plurality of blades (22) which are arranged on the outer surface of the wind wheel (23).

6. The portable fresh air system for electric power construction in a confined space of claim 5, wherein: a stop block (24) is arranged on one side, close to the air guide pipe (6), of the inner side of the shell (21).