CN217002317U

CN217002317U - Wear-resistant pulverized coal centrifugal fan with good gas flow stability

Info

Publication number: CN217002317U
Application number: CN202220479090.7U
Authority: CN
Inventors: 施红斌; 韩海燕
Original assignee: Wuhan Xinyibo Technology Co ltd
Current assignee: Wuhan Xinyibo Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-19
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a wear-resistant pulverized coal centrifugal ventilator with good gas flow stability, which belongs to the technical field of centrifugal ventilators and comprises a shockproof base, wherein the upper surface of the shockproof base is fixedly connected with a ventilator body, a rotating shaft is arranged in the ventilator body, an impeller device is clamped on the outer surface of the rotating shaft, and the outer surface of the rotating shaft is sleeved in a protective connecting piece. This stand wear and tear, buggy centrifugal fan that gas flow stability is good, through setting up the pivot, the protection connecting piece, the nut, the lead screw, remove the post, cardboard and stopper, so that assemble the countershaft and protect the connecting piece, stability after the installation has been guaranteed, avoid taking place the phenomenon that drops, can protect the countershaft simultaneously, very big improvement its stand wear and tear ability, the washing away of the countershaft of this internal air current of ventilator has been avoided, prevent the pivot wearing and tearing, guarantee the stability of pivot at the rotation in-process, eliminate the potential safety hazard of ventilator body during operation.

Description

Wear-resistant pulverized coal centrifugal fan with good gas flow stability

Technical Field

The utility model belongs to the technical field of centrifugal ventilators, and particularly relates to a wear-resistant pulverized coal centrifugal ventilator with good gas flow stability.

Background

Pulverized coal centrifugal fan is applicable to the coal dispute of other systems of power plant boiler system and carries, also be applicable to the transport of other non-reading nature gas, pulverized coal centrifugal fan is one kind and uses more general industrial equipment on industrial production, has comparatively wide application prospect, but pulverized coal centrifugal fan is in the use, be not convenient for protect impeller and pivot, its stand wear and tear ability has been reduced, the air current in the pulverized coal centrifugal fan erodees pivot and impeller, make pivot and impeller wearing and tearing, the potential safety hazard takes place easily, be not convenient for assemble the pivot simultaneously, make the pivot take place the phenomenon that drops easily in the course of the work.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides the pulverized coal centrifugal ventilator which is wear-resistant and has good gas flow stability, and solves the problems that an impeller and a rotating shaft are not conveniently protected, the wear-resistant capability of the pulverized coal centrifugal ventilator is reduced, the rotating shaft and the impeller are abraded due to the fact that airflow in the pulverized coal centrifugal ventilator washes the rotating shaft and the impeller, potential safety hazards are easy to occur, and the rotating shaft is not conveniently assembled, so that the rotating shaft is easy to fall off in the working process.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a buggy centrifugal fan that stand wear and tear, gas flow stability is good, includes the shockproof base, the last fixed surface of shockproof base is connected with the ventilation blower body, this internal pivot that is provided with of ventilation blower, the surface joint of pivot has impeller device, the surface of pivot cup joints in the protection connecting piece.

The casing has been cup jointed in the protection connecting piece, the lower surface joint of casing has the nut, nut female connection has the lead screw, the one end setting of nut is in the bottom of removing the post, the surface of removing the post articulates there is the cardboard.

As a further scheme of the utility model: a plurality of spoilers are fixedly connected in the impeller device, and one end of the protective connecting piece is arranged in the ventilator body.

As a further scheme of the utility model: the outer surface of the movable column is sleeved with a spring, and two ends of the spring are fixedly connected to the outer surface of the movable column and the upper surface of the inner wall of the shell.

As a further scheme of the utility model: the surface of cardboard is articulated with the opposite face of two stoppers, two the lower fixed surface of stopper connects the surface at same protection connecting piece.

As a further scheme of the utility model: the lower surface of the clamping plate is arranged in the rotating shaft, the impeller device comprises an impeller shell, and the impeller shell is clamped on the outer surface of the rotating shaft.

As a further scheme of the utility model: the outer surface of the impeller shell is fixedly connected with a wear-resistant layer, and the outer surface of the wear-resistant layer is fixedly connected with a reinforcing layer.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the coal dust centrifugal ventilator with wear resistance and good gas flow stability is characterized in that a rotating shaft, a protective connecting piece, a nut, a screw rod, a moving column, a clamping plate and a limiting block are arranged, the protective connecting piece is clamped into the outer surface of the rotating shaft, the screw rod is rotated to move along the track of the nut, so that the moving column is driven to move along the motion track of the nut, the position of the clamping plate is adjusted, the clamping plate is limited and supported by the limiting block during moving, the clamping plate can be clamped into the rotating shaft, the rotating shaft and the protective connecting piece can be assembled conveniently, the stability after installation is ensured, the phenomenon of falling off is avoided, the rotating shaft can be protected at the same time, the wear resistance of the rotating shaft is greatly improved, the air flow in the ventilator body is prevented from scouring the rotating shaft, the rotating shaft is prevented from being worn, and the stability of the rotating shaft during rotating is ensured, the potential safety hazard of the ventilator body during working is eliminated.

2. This coal dust centrifugal fan that stand wear and tear, gas flow stability is good through setting up impeller shell, wearing layer and enhancement layer, and the wearing layer can avoid the impeller shell to take place wearing and tearing, and the enhancement layer has improved the rigidity of impeller shell simultaneously, has ensured the life of impeller shell in the course of the work.

3. This stand wear and tear, buggy centrifugal fan that gas flow stability is good, through setting up the spoiler for impeller device rotates the in-process and drives the spoiler and rotate along impeller device's movement track, and blocks the flow of air current through the spoiler, has improved the stability of air current, can avoid the impeller device that the superhigh pressure causes to scatter simultaneously, has improved work efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic three-dimensional cross-sectional view of the ventilator body of the present invention;

FIG. 3 is a schematic perspective sectional view of an impeller device according to the present invention;

FIG. 4 is a schematic cross-sectional view of the shell of the present invention;

in the figure: the fan comprises a base 1, a ventilator body 2, a rotating shaft 3, an impeller device 4, an impeller shell 401, a wear-resistant layer 402, a reinforcing layer 403, a spoiler 5, a protective connecting piece 6, a shell 7, a nut 8, a screw rod 9, a moving column 10, a spring 11, a clamping plate 12 and a limiting block 13.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a stand wear and tear, buggy centrifugal fan that gas flow stability is good, includes vibration-proof base 1, vibration-proof base 1's last fixed surface is connected with ventilation blower body 2, is provided with pivot 3 in the ventilation blower body 2, and the surface joint of pivot 3 has impeller device 4, and the surface of pivot 3 cup joints in protecting connecting piece 6, through setting up protecting connecting piece 6, can protect the surface of pivot 3, avoids pivot 3 to rotate the condition that the in-process takes place wearing and tearing.

The joint has casing 7 in the protection connecting piece 6, the lower surface joint of casing 7 has nut 8, through setting up nut 8, can carry out spacingly and support it to the rotation of lead screw 9, the stability of lead screw 9 at the rotation in-process has been guaranteed, 8 female connection of nut have lead screw 9, the one end setting of nut 8 is in the bottom of removing post 10, the surface that removes post 10 articulates there is cardboard 12, through setting up cardboard 12, can fix the position of countershaft 3, avoid 3 emergence not hard up circumstances of pivot.

Specifically, as shown in fig. 1, fig. 2 and fig. 4, a plurality of spoiler 5 of fixedly connected with in the impeller device 4, through setting up spoiler 5, can block the flow of air current, the stability of air current has been improved, can avoid impeller device 4 that the superhigh pressure causes to scatter simultaneously, work efficiency has been improved, the one end setting of protection connecting piece 6 is in ventilation blower body 2, the surface of removal post 10 has cup jointed spring 11, spring 11's both ends fixed connection is at the surface of removal post 10 and the upper surface of casing 7 inner wall, through setting up spring 11, can cushion the removal of removal post 10, the stability of removal post 10 at the removal in-process has been guaranteed, avoid because of the too big circumstances that makes removal post 10 bump and lead to the damage of pressure.

Specifically, as shown in fig. 2, 3 and 4, the outer surface of the clamping plate 12 is hinged with the opposite surfaces of the two limit blocks 13, the lower surfaces of the two limit blocks 13 are fixedly connected with the outer surface of the same protective connecting piece 6, the limiting block 13 is arranged to limit and support the movement of the clamping plate 12, so that the stability of the clamping plate 12 in the moving process is ensured, the lower surface of the clamping plate 12 is arranged in the rotating shaft 3, the impeller device 4 comprises an impeller shell 401, the impeller shell 401 is clamped on the outer surface of the rotating shaft 3, the outer surface of the impeller shell 401 is fixedly connected with a wear-resistant layer 402, the outer surface of the wear-resistant layer 402 is fixedly connected with a reinforcing layer 403, by arranging the impeller shell 401, the wear layer 402 and the reinforcing layer 403, the wear layer 402 can protect the surface of the impeller shell 401, avoid abrasion of the impeller shell 401, meanwhile, the reinforcing layer 403 improves the rigidity of the impeller shell 401, and the service life of the impeller device 4 in the working process is guaranteed.

The working principle of the utility model is as follows:

s1, when the protective connecting piece 6 is used, the protective connecting piece 6 is clamped into the outer surface of the rotating shaft 3, the screw rod 9 is rotated, the screw rod 9 moves along the track of the nut 8, the moving column 10 is driven to move along the motion track of the nut 8, and the moving column 10 can extrude the spring 11 in the moving process so as to buffer the movement of the moving column 10;

s2, driving the clamping plate 12 to move along the track of the moving column 10 in the moving process of the moving column 10, and carrying out limiting support on the movement of the clamping plate 12 through the limiting block 13, so that the clamping plate 12 can be clamped into the rotating shaft 3, the rotating shaft 3 and the protective connecting piece 6 can be installed and fixed, the two ends of the rotating shaft 3 are protected, the surface of the rotating shaft 3 is prevented from being abraded in the rotating process, and then the ventilator body 2 is started;

s3, the ventilator body 2 works to make the airflow enter the ventilator body 2 and pass through the impeller device 4, when the impeller device 4 rotates, the airflow is subjected to centrifugal force to obtain kinetic energy and is discharged from the periphery of the impeller device 4, meanwhile, the spoiler 5 blocks the flow of the airflow, and the impact force generated between the impeller shell 401 and the airflow is protected by the wear-resistant layer 402 and is then discharged through the air outlet of the ventilator body 2.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a buggy centrifugal fan that stand wear and tear, gas flow stability is good, includes shockproof base (1), its characterized in that: the upper surface of the shockproof base (1) is fixedly connected with a ventilator body (2), a rotating shaft (3) is arranged in the ventilator body (2), an impeller device (4) is clamped on the outer surface of the rotating shaft (3), and the outer surface of the rotating shaft (3) is sleeved in a protective connecting piece (6);

the joint has casing (7) in protection connecting piece (6), the lower surface joint of casing (7) has nut (8), nut (8) internal thread connection has lead screw (9), the one end setting of nut (8) is in the bottom that removes post (10), the surface of removing post (10) articulates there is cardboard (12).

2. The wear-resistant pulverized coal centrifugal fan with good gas flow stability as claimed in claim 1, characterized in that: a plurality of spoilers (5) are fixedly connected in the impeller device (4), and one end of the protective connecting piece (6) is arranged in the ventilator body (2).

3. The wear-resistant pulverized coal centrifugal fan with good gas flow stability as claimed in claim 1, characterized in that: the outer surface of the movable column (10) is sleeved with a spring (11), and two ends of the spring (11) are fixedly connected to the outer surface of the movable column (10) and the upper surface of the inner wall of the shell (7).

4. The wear-resistant pulverized coal centrifugal fan with good gas flow stability as claimed in claim 1, characterized in that: the outer surface of the clamping plate (12) is hinged to the opposite surfaces of the two limiting blocks (13), and the lower surfaces of the two limiting blocks (13) are fixedly connected to the outer surface of the same protective connecting piece (6).

5. The wear-resistant pulverized coal centrifugal fan with good gas flow stability as claimed in claim 1, characterized in that: the lower surface of the clamping plate (12) is arranged in the rotating shaft (3), the impeller device (4) comprises an impeller shell (401), and the impeller shell (401) is clamped on the outer surface of the rotating shaft (3).

6. The wear-resistant pulverized coal centrifugal fan with good gas flow stability as claimed in claim 5, characterized in that: the outer surface of the impeller shell (401) is fixedly connected with a wear-resistant layer (402), and the outer surface of the wear-resistant layer (402) is fixedly connected with a reinforcing layer (403).