CN214617551U - Large-scale desulfurization agitated vessel frame - Google Patents

Abstract

The utility model relates to a large-scale desulfurization agitated vessel frame, frame body, jackshaft and axle head locking device including coaxial setting still include two sets of bearing assemblies, are upper bearing assembly and lower bearing assembly respectively, upper bearing assembly includes upper bearing housing, upper bearing and last gland, lower bearing assembly includes step, lower bearing and lower gland, axle head locking device connects soon on the jackshaft and with go up the gland outside terminal surface and support and lean on, axle head locking device includes two round nuts, upper bearing is double-row tapered roller bearing, the bearing is inner circle single flange cylindrical roller bearing down, this large-scale desulfurization agitated vessel frame, and bearing capacity is strong, the locking effectual, the reliability of axle head is high, long service life, simple structure, simple to operate, with low costs.

Description

Large-scale desulfurization agitated vessel frame

The technical field is as follows:

the utility model relates to a large-scale agitated vessel technical field especially relates to a large-scale desulfurization agitated vessel frame.

Background art:

the top-feed stirrer is the most common stirring installation form, and a stirring device is installed on the central line of a cylinder body or a tank of vertical equipment and is directly connected with a common motor or driven by the motor through a speed reducer.

The existing jacking type stirrer has the following problems that firstly, aiming at a tank body or a tank body with a large volume and a high height of an accident slurry tank, the cost of the stirrer is correspondingly high; secondly, the stirring shaft is locked only by one round nut, and the phenomenon of loosening, failure and damage of the locknut exists in the practical use; and thirdly, a group of bearings is adopted between the stirring shaft and the frame to bear all loads, and the large and medium-sized stirrers are easy to damage in long-time use, so that the later maintenance and overhaul cost is overhigh.

The utility model has the following contents:

in view of the above problem, the utility model provides a large-scale desulfurization agitated vessel frame that bearing capacity is strong, the axle head is locking effectual, the reliability is high, long service life, simple structure, simple to operate, with low costs.

The utility model discloses a realize through following technical scheme: the utility model provides a large-scale desulfurization agitated vessel frame, includes frame body, jackshaft and the axle head locking device of coaxial setting, the frame body is hollow structure, overlaps and establishes outside the jackshaft, inside bolster bearing housing flange and the step bearing flange of having of frame body, the jackshaft has upper bearing installation section, interlude and lower bearing installation section, the interlude diameter is greater than upper bearing installation section and lower bearing installation section, upper bearing installation section with form the spacing step of upper bearing between the interlude, lower bearing installation section with form the spacing step of lower bearing between the interlude.

In order to improve the bearing capacity and bearing stability of the stirring equipment frame and prolong the service life of the stirring equipment frame, the large-scale desulfurization stirring equipment frame comprises two groups of bearing assemblies, namely an upper bearing assembly and a lower bearing assembly.

The upper bearing assembly comprises an upper bearing seat, an upper bearing and an upper gland which are coaxially arranged, the upper bearing seat is connected to the upper bearing seat connecting flange, the upper bearing is arranged in the upper bearing seat and sleeved on the excircle of the upper bearing mounting section, one end of the upper bearing abuts against the upper bearing limiting step, one end of the upper bearing seat extends towards the middle shaft to form an upper bearing flange, and the upper gland is connected to the other end of the upper bearing seat.

The lower bearing assembly comprises a lower bearing seat, a lower bearing and a lower pressing cover which are coaxially arranged, the lower bearing seat is connected to the lower bearing seat connecting flange, the lower bearing is arranged in the lower bearing seat and sleeved on the excircle of the lower bearing installation section, one end of the lower bearing is abutted to the lower bearing limiting step, one end of the lower bearing seat extends towards the middle shaft to form a lower bearing flange, and the lower pressing cover is connected to the other end of the lower bearing seat.

In order to improve the reliability of shaft end locking of the intermediate shaft and further improve the running stability of the bearing, the shaft end locking device is screwed on the intermediate shaft and abuts against the outer end face of the upper gland, and the shaft end locking device comprises two round nuts, so that the double anti-loosening effect can be achieved.

Preferably, the upper bearing is a double-row tapered roller bearing, and can bear a certain bidirectional axial load while bearing a larger radial load; the lower bearing is an inner ring single-flange cylindrical roller bearing which mainly bears radial load, and in addition, the inner ring with the single flange can limit the one-way movement of the shaft and bear one-way axial load.

This large-scale desulfurization agitated vessel frame bears equipment main load by upper bearing assembly part, if above-mentioned double nut anti loosening structure when loosening a little, the jackshaft receives gravity and axial force effect to move along the axial downwards, and the bearing assembly part can restrict the decurrent axial displacement of jackshaft down this moment to divide partial axial force, thereby prevent that axle head locking device pine from taking place continuously, increases the life of equipment, also striving for the time for follow-up maintenance, the follow-up maintenance and the replacement cost of saving equipment.

The utility model has the advantages that: according to the large-scale desulfurization stirring equipment rack, the middle shaft part in the rack body adopts a stepped shaft structure form, so that the convenience and the stability of installation are improved; two groups of bearings are adopted, so that the bearing capacity and bearing stability are greatly improved, and the service life is prolonged; the shaft end locking device of a double-round nut structure is adopted at the shaft head of the intermediate shaft, so that double anti-loosening effects are achieved, and the running stability and reliability of the bearing are improved; in addition, the large-scale desulfurization stirring equipment frame is simple in structure and low in maintenance cost.

Description of the drawings:

fig. 1 is a schematic structural diagram of the large-scale desulfurization stirring equipment frame of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 1, the frame of the large-scale desulfurization stirring device includes a frame body 1, an intermediate shaft 2, an upper bearing assembly 3, a lower bearing assembly 4 and a shaft end locking device 5, which are coaxially disposed, the frame body 1 is of a hollow structure and is sleeved outside the intermediate shaft 2, an upper bearing seat connecting flange 11 and a lower bearing seat connecting flange 12 are disposed inside the frame body 1, the intermediate shaft 2 includes an upper bearing mounting section 21, an intermediate section 22 and a lower bearing mounting section 23, the diameter of the intermediate section 22 is greater than that of the upper bearing mounting section 21 and the lower bearing mounting section 23, an upper bearing limiting step 24 is formed between the upper bearing mounting section 21 and the intermediate section 22, and a lower bearing limiting step 25 is formed between the lower bearing mounting section 23 and the intermediate section 22.

The upper bearing assembly 3 comprises an upper bearing seat 31, an upper bearing 32 and an upper gland 33 which are coaxially arranged, the upper bearing 32 is a double-row tapered roller bearing, the upper bearing seat 31 is connected to the upper bearing seat connecting flange 11, the upper bearing 32 is arranged in the upper bearing seat 31 and sleeved on the outer circle of the upper bearing installation section 21, one end of the upper bearing 32 abuts against the upper bearing limiting step 24, one end of the upper bearing seat 31 extends towards the direction of the intermediate shaft 2 to form an upper bearing flange 311, the upper gland 33 is connected to the other end of the upper bearing seat 31, the shaft end locking device 5 is screwed on the intermediate shaft 2 and abuts against the outer end face of the upper gland 33, and the shaft end locking device 5 comprises two round nuts.

The lower bearing assembly 4 comprises a lower bearing seat 41, a lower bearing 42 and a lower gland 43 which are coaxially arranged, the lower bearing 42 is an inner ring single-flange cylindrical roller bearing, the lower bearing seat 41 is connected to the lower bearing seat connecting flange 12, the lower bearing 42 is arranged in the lower bearing seat 41 and sleeved on the outer circle of the lower bearing installation section 23, one end of the lower bearing 42 is abutted to the lower bearing limiting step 25, one end of the lower bearing seat 41 extends to the direction of the intermediate shaft 2 to form a lower bearing flange 411, and the lower gland 43 is connected to the other end of the lower bearing seat 41.

When assembling, the upper bearing seat 31 and the lower bearing seat 41 are respectively assembled on the frame body 1, then, the outer ring of the double-row tapered roller bearing 32 is pressed into the upper bearing seat 31, the inner ring and retainer roller assembly is pressed on the upper bearing installation section 21 of the intermediate shaft 2 and pressed to abut against the upper bearing limit step 24 on the intermediate shaft 2, the outer ring of the inner ring single-flange cylindrical roller bearing 42 is pressed into the lower bearing seat 41, the inner ring and retainer roller assembly is pressed on the lower bearing installation section 23 of the intermediate shaft 2 and pressed to abut against the lower bearing limit step 25 on the intermediate shaft 2, then the whole intermediate shaft 2 assembly is arranged in the frame body 1, then an upper gland 33 and a lower gland 43 are respectively arranged, finally the shaft end locking device 5, that is, two round nuts are screwed into the shaft end of the intermediate shaft 2 in sequence until the upper bearing assembly 3 and the lower bearing assembly 4 are pressed, while ensuring smooth rotation of the upper bearing 32 and the lower bearing 42.

During the use, the better locking effect can be played to the axle head locking device 5 that adopts the two-round nut, guarantees the stationarity of bearing operation, and driven stationarity can be guaranteed to two sets of bearing assembly, and upper bearing assembly 3 bears the main load of equipment, if axle head locking device 5 when loosening a little, jackshaft 2 receives gravity and the axial force effect to move along the axial downwards, and lower bearing assembly 4 can restrict the downward axial displacement of jackshaft 2 this moment to share partial axial force, thereby prevent that axle head locking device 5 pine from taking off the phenomenon and continuing to take place.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", 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.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (2)

1. The utility model provides a large-scale desulfurization agitated vessel frame which characterized in that: comprises a frame body (1), a middle shaft (2), an upper bearing assembly (3), a lower bearing assembly (4) and a shaft end locking device (5) which are coaxially arranged, the machine frame body (1) is of a hollow structure and is sleeved outside the intermediate shaft (2), an upper bearing seat connecting flange (11) and a lower bearing seat connecting flange (12) are arranged in the frame body (1), the intermediate shaft (2) is provided with an upper bearing mounting section (21), a middle section (22) and a lower bearing mounting section (23), the diameter of the middle section (22) is larger than that of the upper bearing mounting section (21) and the lower bearing mounting section (23), an upper bearing limit step (24) is formed between the upper bearing mounting section (21) and the middle section (22), a lower bearing limit step (25) is formed between the lower bearing mounting section (23) and the middle section (22),

the upper bearing assembly (3) comprises an upper bearing seat (31), an upper bearing (32) and an upper gland (33) which are coaxially arranged, the upper bearing seat (31) is connected to the upper bearing seat connecting flange (11), the upper bearing (32) is arranged in the upper bearing seat (31) and sleeved on the excircle of the upper bearing mounting section (21), one end of the upper bearing (32) is abutted to the upper bearing limiting step (24), one end of the upper bearing seat (31) extends towards the middle shaft (2) to form an upper bearing flange (311), the upper gland (33) is connected to the other end of the upper bearing seat (31), the shaft end locking device (5) is screwed on the middle shaft (2) and abutted to the outer end face of the upper gland (33), and the shaft end locking device (5) comprises two round nuts,

lower bearing assembly (4) are including lower bearing frame (41), lower bearing (42) and lower gland (43) of coaxial setting, lower bearing frame (41) are connected on lower bearing frame flange (12), lower bearing (42) set up in lower bearing frame (41) and the cover establish on lower bearing installation section (23) excircle, lower bearing (42) one end with lower bearing limit step (25) support and lean on, lower bearing frame (41) one end to jackshaft (2) direction extends has lower bearing flange (411), lower gland (43) are connected the lower bearing frame (41) other end.

2. The large-scale desulfurization stirring equipment rack according to claim 1, characterized in that: the upper bearing (32) is a double-row tapered roller bearing, and the lower bearing (42) is an inner ring single-flange cylindrical roller bearing.

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