CN220990385U - Shaft mounting device of high-speed long shaft vertical stirrer - Google Patents
Shaft mounting device of high-speed long shaft vertical stirrer Download PDFInfo
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- CN220990385U CN220990385U CN202322698972.XU CN202322698972U CN220990385U CN 220990385 U CN220990385 U CN 220990385U CN 202322698972 U CN202322698972 U CN 202322698972U CN 220990385 U CN220990385 U CN 220990385U
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- 238000003756 stirring Methods 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000002002 slurry Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a shaft mounting device of a high-speed long-shaft vertical stirrer, which comprises a bearing sleeve; the stirring shaft is rotatably arranged on the inner circular wall of the bearing sleeve; stirring blades are fixedly connected to two sides of the outer circular wall of the bottom of the stirring shaft; the bottom wall of the bearing sleeve is fixedly connected with a protection pipe, and the inner circular wall at the bottom of the protection pipe is connected with the outer circular wall of the stirring shaft through a sealing assembly; the utility model provides a shaft mounting device of a high-speed long-shaft vertical stirrer, which aims to solve the problems that in the prior art, a stirring shaft is arranged in a stirring box through a bearing sleeve, an oil sealing device is usually arranged in the bearing chamber to prevent slurry in the stirring box from entering the bearing chamber during stirring, but because part of medium has high viscosity and needs high rotation speed for stirring, the problem that vortex generated by a stirring blade rotating at high speed cannot be completely avoided by only one oil sealing device arranged in the bearing chamber to force the slurry to enter the bearing along the shaft.
Description
Technical Field
The utility model belongs to the technical field of stirrers, and particularly relates to a shaft mounting device of a high-speed long-shaft vertical stirrer.
Background
The stirrer is a device which can make the liquid and the gas medium forcedly convect and uniformly mix, and the type, the size and the rotating speed of the stirrer have influence on the distribution of stirring power between the bulk flow and the turbulent flow pulsation.
In the prior art, a stirring shaft is arranged in a stirring box through a bearing sleeve, in order to prevent slurry in the stirring box from entering a bearing chamber during stirring, an oil seal device is usually arranged in the bearing chamber, but because part of medium has high viscosity and needs high rotation speed for stirring, vortex generated by a stirring blade rotating at high speed can not be completely avoided by only one oil seal device arranged in the bearing chamber to force the slurry to enter the bearing along the shaft; to this end, the present utility model provides a shaft mounting arrangement for a high speed long shaft upright mixer.
Disclosure of utility model
In order to make up the defect of the prior art, in order to solve the prior art, the stirring shaft is installed in the stirring box through the bearing sleeve, in order to avoid slurry in the stirring box to enter the bearing chamber during stirring, an oil seal device is usually installed in the bearing chamber, but because the viscosity of part of medium is large, high rotation speed is needed for stirring, and the technical problem that the slurry is forced to enter the bearing along the shaft by vortex generated by a stirring blade which rotates at high speed cannot be completely avoided by only one oil seal device installed in the bearing chamber.
The utility model provides a shaft mounting device of a high-speed long-shaft vertical stirrer, which comprises a bearing sleeve; the stirring shaft is rotatably arranged on the inner circular wall of the bearing sleeve; stirring blades are fixedly connected to two sides of the outer circular wall of the bottom of the stirring shaft; the bottom wall of the bearing sleeve is fixedly connected with a protection pipe, and the inner circular wall of the bottom of the protection pipe is connected with the outer circular wall of the stirring shaft through a sealing assembly.
Preferably, the seal assembly comprises a first annular groove; the inner circular wall of the protection tube is provided with a first annular groove; the annular oil seal is clamped in the first annular mounting groove, and the inner circular wall of the annular oil seal is attached to the outer circular wall of the stirring shaft.
Preferably, the outer circular wall of the stirring shaft is fixedly connected with an annular baffle plate, the annular baffle plate is positioned above the annular oil seal, and the outer circular wall of the annular baffle plate is in rotary contact with the inner circular wall of the protection tube.
Preferably, the outer circular wall of the annular baffle is provided with a second annular groove; the first elastic sealing ring is arranged in the second annular groove and connected with the inner circular wall of the second annular groove through the telescopic component.
Preferably, the telescopic assembly comprises a sleeve; a group of sleeves are uniformly fixedly connected to the inner circular wall of the second annular groove; a sleeve rod is connected in a sliding manner in the sleeve; the end part of the sleeve rod is fixedly connected with a supporting plate, the outer circular wall of the supporting plate is uniformly fixedly connected with a group of rotating rollers, and the outer circular wall of the rotating rollers is contacted with the inner circular wall of the first elastic sealing ring.
Preferably, the outer circular wall of the protection pipe is fixedly connected with a conical baffle, and the top wall of the conical baffle is attached to the inner wall of the stirring box cover.
Preferably, the top wall of the conical baffle is fixedly connected with a second elastic sealing ring.
Preferably, the supporting plate is in an arc shape, and the inner diameter of the outer circular wall of the supporting plate is the same as the inner diameter of the first elastic sealing ring.
The beneficial effects of the utility model are as follows: 1. according to the shaft mounting device of the high-speed long-shaft vertical stirrer, the protection tube is fixedly connected with the bottom wall of the bearing sleeve, the inner circular wall at the bottom of the protection tube is connected with the outer circular wall of the stirring shaft through the sealing component, and the slurry is effectively prevented from entering the protection tube through the annular oil seal in the first annular mounting groove, so that the problem that the slurry is forced to enter the bearing along the shaft due to the fact that part of the medium is high in viscosity and needs high rotation speed to be stirred only by one oil seal device arranged in the bearing chamber can not be completely eradicated.
2. According to the shaft mounting device of the high-speed long-shaft vertical stirrer, when the stirring shaft rotates at a high speed, the stirring shaft drives the annular baffle to rotate, the annular baffle rotates to drive the sleeve in the second annular groove to rotate, the sleeve rotates to drive the sleeve rod to rotate, the sleeve rod moves outwards along the sleeve by centrifugal force generated by rotation, so that the rotating roller at the end part of the supporting plate tightly props against the first elastic sealing ring, and the first elastic sealing ring is tightly attached to the inner circular wall of the protection tube, and the tightness is further improved.
The foregoing summary is merely an overview of the present utility model, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present utility model may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present utility model more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present utility model.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.
In the drawings of the specification:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a partial cross-sectional view of the present utility model;
Fig. 6 is a partial enlarged view at C in fig. 5.
Reference numerals referred to in the above drawings are explained as follows:
1. A bearing sleeve; 2. a stirring shaft; 3. stirring the leaves; 4. a protective tube; 5. a first annular groove; 6. an annular oil seal; 7. an annular baffle; 8. a second annular groove; 9. a first elastic sealing ring; 10. a sleeve; 11. a loop bar; 12. a supporting plate; 13. a conical baffle; 14. and a second elastic sealing ring.
Detailed Description
In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present application, and thus are only exemplary and not intended to limit the scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the application.
In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.
In the present application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.
Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.
As in the understanding of "review guidelines," the expressions "greater than", "less than", "exceeding" and the like are understood to exclude this number in the present application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.
In the description of embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present application.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the application should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to circumstances.
As shown in fig. 1 to 6, the shaft mounting device of the high-speed long-shaft vertical stirrer according to the utility model comprises a bearing sleeve 1; the stirring shaft 2 is rotatably arranged on the inner circular wall of the bearing sleeve 1; stirring blades 3 are fixedly connected to two sides of the outer circular wall at the bottom of the stirring shaft 2; the bottom wall of the bearing sleeve 1 is fixedly connected with a protection pipe 4, and the inner circular wall at the bottom of the protection pipe 4 is connected with the outer circular wall of the stirring shaft 2 through a sealing assembly; during operation, the protection tube 4 is fixedly connected with the bottom wall of the bearing sleeve 1, the inner circular wall at the bottom of the protection tube 4 is connected with the outer circular wall of the stirring shaft 2 through the sealing component, and the problem that the slurry is forced to enter the bearing along the shaft by vortex generated by the stirring blade 3 rotating at high speed can not be completely eradicated only by an oil seal device arranged in the bearing chamber due to the fact that the viscosity of part of medium is large and high rotating speed is needed to be stirred is effectively avoided through the sealing component at the bottom of the protection tube 4.
The seal assembly comprises a first annular groove 5; the inner circular wall of the protection tube 4 is provided with a first annular groove 5; an annular oil seal 6 is clamped in the first annular mounting groove, and the inner circular wall of the annular oil seal 6 is attached to the outer circular wall of the stirring shaft 2; when the stirring vane is in operation, the vortex generated by the high-speed rotation of the stirring vane 3 forces the slurry to enter the protection pipe 4, and the slurry is effectively prevented from entering the protection pipe 4 through the annular oil seal 6 in the first annular mounting groove.
An annular baffle 7 is fixedly connected to the outer circular wall of the stirring shaft 2, the annular baffle 7 is positioned above the annular oil seal 6, and the outer circular wall of the annular baffle 7 is in rotary contact with the inner circular wall of the protection tube 4; during operation, the annular baffle 7 is fixedly connected to the outer circular wall of the stirring shaft 2, the annular baffle 7 is located above the annular oil seal 6, and when the oil seal is worn due to long-time use, slurry is further prevented from entering the protection pipe 4 through the annular baffle 7 on the outer circular wall of the stirring shaft 2.
The outer circular wall of the annular baffle 7 is provided with a second annular groove 8; a first elastic sealing ring 9 is arranged in the second annular groove 8, and the first elastic sealing ring 9 is connected with the inner circular wall of the second annular groove 8 through a telescopic component; during operation, be equipped with first elastic sealing washer 9 in through second ring channel 8 for annular baffle 7 and protection tube 4 interior circular wall contact department leakproofness is better, thereby has further improved the practicality.
The telescopic assembly comprises a sleeve 10; a group of sleeves 10 are uniformly fixedly connected to the inner circular wall of the second annular groove 8; a sleeve rod 11 is connected in a sliding manner in the sleeve pipe 10; the end part of the sleeve rod 11 is fixedly connected with a supporting plate 12, the outer circular wall of the supporting plate 12 is uniformly fixedly connected with a group of rotating rollers, and the outer circular wall of the rotating rollers is contacted with the inner circular wall of the first elastic sealing ring 9; during operation, when the stirring shaft 2 rotates at a high speed, the stirring shaft 2 drives the annular baffle 7 to rotate, the annular baffle 7 rotates to drive the sleeve 10 in the second annular groove 8 to rotate, the sleeve 10 rotates to drive the sleeve rod 11 to rotate, the sleeve rod 11 moves outwards along the sleeve 10 due to centrifugal force generated by rotation, and therefore the rotating roller at the end part of the supporting plate 12 tightly abuts against the first elastic sealing ring 9, the first elastic sealing ring 9 is tightly attached to the inner circular wall of the protection tube 4, and accordingly tightness is further improved.
The outer circular wall of the protection pipe 4 is fixedly connected with a conical baffle 13, and the top wall of the conical baffle 13 is attached to the inner wall of the stirring box cover; during operation, have toper baffle 13 through protection tube 4 excircle wall rigid coupling, and toper baffle 13 roof and the laminating of agitator tank case lid inner wall, thick liquid bearing housing 1 and protection tube 4 junction infiltration to the bearing room when avoiding the stirring have further improved the practicality.
The top wall of the conical baffle 13 is fixedly connected with a second elastic sealing ring 14; during operation, the second elastic sealing ring 14 is fixedly connected to the top wall of the conical baffle 13, so that the sealing performance of the joint between the top wall of the conical baffle 13 and the inner wall of the box cover of the stirring box is better.
The supporting plate 12 is arranged in an arc shape, and the inner diameter of the outer circular wall of the supporting plate 12 is the same as the inner diameter of the first elastic sealing ring 9; during operation, the supporting plate 12 is arranged in an arc shape, and the inner diameter of the outer circular wall of the supporting plate 12 is the same as the inner diameter of the first elastic sealing ring 9, so that the sealing effect is better.
The working principle is that a protection pipe 4 is fixedly connected with the bottom wall of a bearing sleeve 1, the inner circular wall at the bottom of the protection pipe 4 is connected with the outer circular wall of a stirring shaft 2 through a sealing component, and slurry is effectively prevented from entering the protection pipe 4 through an annular oil seal 6 in a first annular mounting groove, so that the problem that the slurry is forced to enter the bearing along the shaft due to the fact that part of the slurry is high in medium viscosity and needs high rotation speed to be stirred is effectively avoided, and the problem that the slurry is forced to enter the bearing along the shaft due to vortex generated by a stirring blade 3 which rotates at high speed cannot be completely stopped by only one oil seal device arranged in the bearing chamber; the outer circular wall of the stirring shaft 2 is fixedly connected with an annular baffle 7, the annular baffle 7 is positioned above the annular oil seal 6, and when the oil seal is worn due to long-time use, slurry is further prevented from entering the protection pipe 4 through the annular baffle 7 of the outer circular wall of the stirring shaft 2; the first elastic sealing ring 9 is arranged in the second annular groove 8, so that the sealing performance of the contact part of the annular baffle 7 and the inner circular wall of the protection tube 4 is better, and the practicability is further improved; when the stirring shaft 2 rotates at a high speed, the stirring shaft 2 drives the annular baffle 7 to rotate, the annular baffle 7 rotates to drive the sleeve 10 in the second annular groove 8 to rotate, the sleeve 10 rotates to drive the sleeve rod 11 to rotate, the sleeve rod 11 moves outwards along the sleeve 10 due to centrifugal force generated by rotation, and therefore the rotating roller at the end part of the supporting plate 12 is tightly abutted against the first elastic sealing ring 9, the first elastic sealing ring 9 is tightly attached to the inner circular wall of the protection tube 4, and the tightness is further improved; the conical baffle 13 is fixedly connected to the outer circular wall of the protection pipe 4, and the top wall of the conical baffle 13 is attached to the inner wall of the stirring box cover, so that the joint of the slurry bearing sleeve 1 and the protection pipe 4 is prevented from penetrating into a bearing chamber during stirring, and the practicability is further improved; the second elastic sealing ring 14 is fixedly connected to the top wall of the conical baffle 13, so that the joint between the top wall of the conical baffle 13 and the inner wall of the box cover of the stirring box has better tightness; the supporting plate 12 is arranged in an arc shape, and the inner diameter of the outer circular wall of the supporting plate 12 is the same as the inner diameter of the first elastic sealing ring 9, so that the sealing effect is better.
Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. The shaft mounting device of the high-speed long-shaft vertical stirrer is characterized by comprising a bearing sleeve; the stirring shaft is rotatably arranged on the inner circular wall of the bearing sleeve; stirring blades are fixedly connected to two sides of the outer circular wall of the bottom of the stirring shaft; the bottom wall of the bearing sleeve is fixedly connected with a protection pipe, and the inner circular wall at the bottom of the protection pipe is connected with the outer circular wall of the stirring shaft through a sealing assembly;
The seal assembly includes a first annular groove; the inner circular wall of the protection tube is provided with a first annular groove; the annular oil seal is clamped in the first annular groove, and the inner circular wall of the annular oil seal is attached to the outer circular wall of the stirring shaft.
2. The shaft mounting device of the high-speed long-shaft vertical stirrer according to claim 1, wherein the outer circular wall of the stirring shaft is fixedly connected with an annular baffle plate, the annular baffle plate is positioned above the annular oil seal, and the outer circular wall of the annular baffle plate is in rotary contact with the inner circular wall of the protection tube.
3. The shaft mounting device of the high-speed long-shaft vertical stirrer according to claim 2, wherein the outer circular wall of the annular baffle is provided with a second annular groove; the first elastic sealing ring is arranged in the second annular groove and connected with the inner circular wall of the second annular groove through the telescopic component.
4. A shaft mounted device for a high speed long shaft upright mixer according to claim 3 wherein said telescoping assembly comprises a sleeve; a group of sleeves are uniformly fixedly connected to the inner circular wall of the second annular groove; a sleeve rod is connected in a sliding manner in the sleeve; the end part of the sleeve rod is fixedly connected with a supporting plate, the outer circular wall of the supporting plate is uniformly fixedly connected with a group of rotating rollers, and the outer circular wall of the rotating rollers is contacted with the inner circular wall of the first elastic sealing ring.
5. The shaft mounting device of the high-speed long-shaft vertical stirrer according to claim 4, wherein the outer circular wall of the protection pipe is fixedly connected with a conical baffle, and the top wall of the conical baffle is attached to the inner wall of the stirring box cover.
6. The shaft mounting device for a high-speed long shaft vertical mixer of claim 5 wherein said conical baffle top wall is fixedly connected with a second elastic sealing ring.
7. The shaft mounting device for a high-speed long shaft vertical mixer of claim 6 wherein said support plate is arc-shaped and the inner diameter of the outer circular wall of the support plate is the same as the inner diameter of the first elastic sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322698972.XU CN220990385U (en) | 2023-10-09 | 2023-10-09 | Shaft mounting device of high-speed long shaft vertical stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322698972.XU CN220990385U (en) | 2023-10-09 | 2023-10-09 | Shaft mounting device of high-speed long shaft vertical stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990385U true CN220990385U (en) | 2024-05-24 |
Family
ID=91112681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322698972.XU Active CN220990385U (en) | 2023-10-09 | 2023-10-09 | Shaft mounting device of high-speed long shaft vertical stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990385U (en) |
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2023
- 2023-10-09 CN CN202322698972.XU patent/CN220990385U/en active Active
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