CN212079754U

CN212079754U - Novel balance disc

Info

Publication number: CN212079754U
Application number: CN202020322999.2U
Authority: CN
Inventors: 郭午达; 雷乐; 曹兴
Original assignee: Tangshan Runchuan Environmental Protection Machinery Co ltd
Current assignee: Tangshan Runchuan Environmental Protection Machinery Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-04
Anticipated expiration: 2030-03-16

Abstract

The utility model provides a novel balance disc. Novel balance plate includes the balance plate and is used for improving balance plate radiating effect and installs the cooling extension festival on the balance plate, the balance plate includes the disk body, set up disk body pivot logical chamber on the disk body, and set up the cover groove on the disk body of disk body pivot logical chamber outer lane, the ventilation groove has been seted up to the bottom in cover groove, and the ventilation groove becomes the echelonment with the cover groove, and cooling extension festival is including assisting the dish, set up the chamber and assist dish pivot logical chamber of cup jointing with the axle center on the assistance dish, and the diameter ratio of cup jointing the chamber assists dish pivot logical chamber diameter big, the fixed gomphosis of outer wall of assistance dish has a plurality of annular distributions, the radiating vane that the slope set up, and disk body pivot logical chamber is the same with the diameter that assists dish pivot logical chamber, and the balance plate still includes the broach groove, a plurality of strip rule the same is seted up on the outer lane wall of disk body. The utility model provides a novel balance plate has the advantage of balanced, sealed and heat dissipation function.

Description

Novel balance disc

Technical Field

The utility model relates to a centrifugal blower balance disc technical field especially relates to a novel balance disc.

Background

In the manufacturing process of the centrifugal blower, a part, namely a balance disc, is a device for balancing the axial force of the centrifugal blower and has the function of sealing an air outlet end. Now we are about to add a function on the basis of the above function of the component, and the new function is significant to the safe operation of the centrifugal blower.

The centrifugal blower is a tool which applies work to air or other gases to enable medium gases to have certain energy, and when the centrifugal blower applies work, the centrifugal blower inevitably converts useless work into vibration, noise and temperature rise of the centrifugal blower. The temperature rise can cause the efficiency reduction of the centrifugal blower and the expansion of various parts of the machine body, so that the friction between the various parts due to the expansion is possible, and the adverse conditions can be avoided by reasonable design. However, one problem that is not solved is the temperature rise of the bearings caused by heat, and the excessive temperature rise can lead to the shortening of the service life of the bearings or direct damage, which is a problem that must be regarded as important by manufacturers of centrifugal blowers.

Previously, we considered that there were generally three approaches to cooling bearings: 1. cooling by a tail end fan; 2. water cooling of a bearing seat jacket; 3. combinations of 1 and 2 above; but the effect is not ideal.

Therefore, there is a need to provide a new balance disc to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a novel balance plate with balanced, sealed and heat dissipation function.

In order to solve the technical problem, the utility model provides a novel balance plate includes: balance plate and be used for improving balance plate radiating effect and install the cooling extension festival on balance plate.

Preferably, the balance disc comprises a disc body, a disc body rotating shaft through cavity is formed in the disc body, a sleeving groove is formed in the disc body on the outer ring of the disc body rotating shaft through cavity, a ventilation groove is formed in the bottom of the sleeving groove, and the ventilation groove and the sleeving groove are in a ladder shape.

Preferably, the balance disc further comprises a comb tooth groove, a plurality of comb tooth grooves with the same specification are formed in the outer ring wall of the disc body, the comb tooth groove in the disc body is sealed in a labyrinth mode, and sealing is achieved through nitrogen injection.

Preferably, the cooling extension section comprises an auxiliary disc, a sleeve cavity coaxial with the center of the shaft and a rotary shaft of the auxiliary disc are arranged on the auxiliary disc, the diameter of the sleeve cavity is larger than that of the rotary shaft of the auxiliary disc, a plurality of annular plates are fixedly embedded on the outer wall of the auxiliary disc and distributed, and cooling blades are obliquely arranged on the auxiliary disc.

Preferably, the end faces of the two sides of each radiating blade are in a bullet shape, and all the radiating blades and the auxiliary disc are coaxial, so that additional power is not needed.

Preferably, the auxiliary plate is sleeved in a sleeving groove formed in the plate body through a sleeving cavity and fixed in a hot casting mode.

Preferably, the disk body and the auxiliary disk are made of aluminum alloy materials, so that the burden of the rotor is not increased on the disk body and the auxiliary disk, and meanwhile, the heat dissipation rate of the disk body and the auxiliary disk is further improved due to the good heat dissipation effect of the aluminum alloy.

Preferably, the diameter of the through cavity of the rotating shaft of the disc body is the same as that of the through cavity of the rotating shaft of the auxiliary disc, so that the through cavity of the rotating shaft of the disc body and the through cavity of the rotating shaft of the auxiliary disc are conveniently and synchronously sleeved on the shaft sleeve.

Compared with the prior art, the utility model provides a novel balance plate has following beneficial effect:

1. the auxiliary disc is additionally arranged on the disc body, so that the contact area between the whole balance disc and the shaft is increased, the heat conduction efficiency is enhanced, the thickness of the shaft sleeve is increased by the disc body and the auxiliary disc, and the heat dissipation effect is further increased;

2. the heat dissipation plate has the advantages that the heat dissipation blades are arranged on the auxiliary plate, so that the contact area between the heat dissipation blades and air is increased, the heat on the shaft sleeve is effectively dissipated by the heat dissipation blades after being transferred to the balance plate, the temperature rise of the bearing is greatly reduced, the bearing is effectively protected, and the safe operation of the centrifugal blower is firmly based;

3. the comb tooth grooves on the plate body of the utility model are labyrinth seal, and the seal is carried out by injecting nitrogen rotating shaft, thus enhancing the seal effect of the balance plate;

4. the utility model discloses all radiator vane and auxiliary plate are with the axle center, consequently need not extra power, adopt reasonable angle setting when designing installation radiator vane simultaneously, reduce centrifugal blower's wind and make an uproar.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the novel balance disc provided by the present invention;

FIG. 2 is a schematic structural view of the balance disc shown in FIG. 1;

FIG. 3 is a schematic structural view of the extension section shown in FIG. 1;

fig. 4 is a schematic perspective view of the elongated section shown in fig. 3.

Reference numbers in the figures: 1. balance plate, 11, disk body, 12, disk body pivot lead to the chamber, 13, cover groove, 14, ventilation groove, 15, broach groove, 2, cooling extension festival, 21, assist the dish, 22, radiator vane, 23, cover chamber, 24, assist the dish pivot lead to the chamber.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the novel balance plate provided by the present invention; FIG. 2 is a schematic structural view of the balance disc shown in FIG. 1; FIG. 3 is a schematic structural view of the extension section shown in FIG. 1; fig. 4 is a schematic perspective view of the elongated section shown in fig. 3. Novel balance plate includes: balance plate 1 and cooling extension section 2.

In a specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, a cooling extension section 2 for improving a heat dissipation effect of a balance disc 1 is installed on the balance disc 1, the balance disc 1 includes a disc body 11, a disc body rotating shaft through cavity 12 is provided on the disc body 11, a sleeving groove 13 is provided on the disc body 11 at an outer ring of the disc body rotating shaft through cavity 12, a ventilation groove 14 is provided at a bottom of the sleeving groove 13, the ventilation groove 14 and the sleeving groove 13 form a ladder shape, the cooling extension section 2 includes an auxiliary disc 21, a coaxial sleeving cavity 23 and an auxiliary disc rotating shaft through cavity 24 are provided on the auxiliary disc 21, a diameter of the sleeving cavity 23 is larger than that of the auxiliary disc rotating shaft through cavity 24, a plurality of annular distribution pieces are fixedly embedded on an outer wall of the auxiliary disc 21, heat dissipation blades 22 are obliquely arranged, and a diameter of the disc body rotating shaft through cavity 12 is the same as that of the auxiliary.

It should be noted that: the auxiliary plate 21 is sleeved in the sleeving groove 13 of the plate body 11 through the sleeving cavity 23 and is fixed in a hot casting way, the diameter of the disc body rotating shaft through cavity 12 is the same as that of the auxiliary disc rotating shaft through cavity 24, so that the combined disc body 11 and auxiliary disc 21 are sleeved on a shaft sleeve of the centrifugal blower through the rotating shaft through cavity, the auxiliary disc 21 is added on the disc body 11, so that the contact area of the whole balance disc and the shaft is increased, the heat conduction efficiency is enhanced, the combined tray body 11 and the auxiliary tray 21 increase the thickness of the shaft sleeve, further increase the heat dissipation effect, and the heat radiating blades 22 mounted on the auxiliary disk 21 increase the contact area with air, so that the heat on the shaft sleeve is effectively radiated by the heat radiating blades 22 after being transferred to the balance disk, thereby greatly reducing the temperature rise of the bearing and effectively protecting the bearing, and ensuring that the safe operation of the centrifugal blower has a solid foundation and has higher operation safety.

Referring to fig. 2, the balance disc 1 further includes a comb tooth groove 15, a plurality of comb tooth grooves 15 having the same specification are formed in an outer circumferential wall of the disc body 11, and the comb tooth groove 15 of the disc body 11 is a labyrinth seal and is sealed by injecting nitrogen gas.

Referring to fig. 4, the end surfaces of the two sides of the heat dissipating blades 22 are all in a bullet shape, and all the heat dissipating blades 22 and the auxiliary disk 21 are coaxial, so that no additional power is needed, and meanwhile, the heat dissipating blades 22 are designed and installed at a reasonable angle, so that the wind noise of the centrifugal blower is reduced.

Wherein, disk body 11 and supplementary dish 21 all adopt the aluminum alloy material, and make disk body 11 and supplementary dish 21 not increase the rotor burden, and the aluminum alloy radiating effect has further improved the radiating rate of disk body 11 and supplementary dish 21 simultaneously.

The utility model provides a novel balance plate's theory of operation as follows:

the auxiliary disc 21 is sleeved in the sleeve groove 13 arranged on the disc body 11 through the sleeve cavity 23 and is fixed in a hot casting mode, the diameter of the disc body rotating shaft through cavity 12 is the same as that of the auxiliary disc rotating shaft through cavity 24, so that the integrated disc body 11 and the auxiliary disc 21 are sleeved on the shaft sleeve of the centrifugal blower through the rotating shaft through cavity, the contact area of the whole balance disc and the shaft is improved and the heat conduction efficiency is enhanced due to the auxiliary disc 21 additionally arranged on the disc body 11, the thickness of the shaft sleeve is increased due to the integrated disc body 11 and the auxiliary disc 21, the heat dissipation effect is further increased, the contact area of the auxiliary disc 21 and air is increased due to the heat dissipation blades 22 arranged on the auxiliary disc 21, and therefore, the heat on the shaft sleeve is effectively dissipated by the heat dissipation blades 22 after being transmitted to the balance disc, the temperature rise of the bearing is greatly reduced, the bearing is effectively protected, the safe operation of the centrifugal blower is firmly based and has, comb tooth's socket 15 on the disk body 11 is labyrinth seal, seals through pouring into nitrogen gas, because all cooling fin 22 and auxiliary disc 21 are coaxial, consequently need not extra power, adopts reasonable angle setting when designing installation cooling fin 22 simultaneously, has reduced centrifugal blower's wind phenomenon of making an uproar, and this equipment need not maintain and remove water-cooling away the pipeline from, prevents frostbite, trouble such as leak protection.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A novel balance pan, comprising:

a balance disc (1);

and the cooling lengthening section (2) is used for improving the heat dissipation effect of the balance disc (1) and the cooling lengthening section (2) is installed on the balance disc (1).

2. The novel balance disc as claimed in claim 1, wherein the balance disc (1) comprises a disc body (11), the disc body (11) is provided with a disc body rotating shaft through cavity (12), the disc body (11) at the outer ring of the disc body rotating shaft through cavity (12) is provided with a sleeving groove (13), the bottom of the sleeving groove (13) is provided with a ventilation groove (14), and the ventilation groove (14) and the sleeving groove (13) are in a step shape.

3. The new balance disc according to claim 2, characterized in that the balance disc (1) further comprises a comb teeth groove (15), and a plurality of comb teeth grooves (15) with the same specification are arranged on the outer ring wall of the disc body (11).

4. The novel balance disc as claimed in claim 1, wherein the cooling extension section (2) comprises an auxiliary disc (21), the auxiliary disc (21) is provided with a coaxial sleeve cavity (23) and an auxiliary disc rotating shaft through cavity (24), the diameter of the sleeve cavity (23) is larger than that of the auxiliary disc rotating shaft through cavity (24), and the outer wall of the auxiliary disc (21) is fixedly embedded with a plurality of heat dissipation blades (22) which are distributed annularly and are arranged obliquely.

5. The new balance disc according to claim 4, wherein the end surfaces of the cooling fins (22) are bullet-shaped, and all the cooling fins (22) are coaxial with the auxiliary disc (21).

6. The novel balance disc as claimed in claim 4, characterized in that the auxiliary disc (21) is sleeved in a sleeve groove (13) formed in the disc body (11) through a sleeve cavity (23) and fixed by means of hot casting.

7. The new balance disc as claimed in claim 2, characterized in that the disc body (11) and the auxiliary disc (21) are made of aluminum alloy.

8. Novel balance disc according to claim 2, characterized in that the disc body spindle through cavity (12) and the auxiliary disc spindle through cavity (24) have the same diameter.