CN220214772U - Stirring bottom supporting device - Google Patents
Stirring bottom supporting device Download PDFInfo
- Publication number
- CN220214772U CN220214772U CN202321543849.4U CN202321543849U CN220214772U CN 220214772 U CN220214772 U CN 220214772U CN 202321543849 U CN202321543849 U CN 202321543849U CN 220214772 U CN220214772 U CN 220214772U
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- Prior art keywords
- isolation
- fixed
- bearing
- stirring
- ring
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- 238000003756 stirring Methods 0.000 title claims abstract description 68
- 238000002955 isolation Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 210000005056 cell body Anatomy 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A stirring bottom supporting device belongs to the technical field of stirring structures. Including fixing the supporting mechanism in cell body (14) bottom surface, be provided with bearing (19) in supporting mechanism's inboard, (mixing) shaft and bearing (19) rotation are connected, its characterized in that: an isolating mechanism is arranged at the supporting mechanism, and the rotation contact surface of the stirring shaft and the bearing (19) is positioned in the isolating mechanism. In this stirring end strutting arrangement, through setting up isolation mechanism, effectively prevented that the material from getting into bearing department, effectively reduced the wearing and tearing of bearing department, can effectively prevent simultaneously that the metal ion of the inside wearing and tearing of end support from mixing into the material system. In the stirring bottom supporting device, the axial load of the stirring shaft is borne by the mounting bearing, so that the load of the groove top is reduced, and the safety of the groove top is improved. The upper isolation cavity and the lower isolation cavity are filled with filling liquid, and the solid phase of the material at the bottom support is difficult to be pressed into the bottom support isolation cavity, so that the solid content in the material is effectively prevented from entering the bearing.
Description
Technical Field
A stirring bottom supporting device belongs to the technical field of stirring structures.
Background
In the alumina industry, slurry tanks (slurry tanks, decomposition tanks, etc.) with relatively large height diameters are often used, because the tanks are relatively high and have relatively large diameters. In the slurry tank without the bottom supporting structure, in order to prevent the shafting from swinging greatly and keep the shafting stability, the shafting is prevented from bending and breaking, the transmission shaft diameter of the slurry tank is larger, the whole stirring system is heavier, the manufacturing cost is higher, and the channel steel bracket at the top of the tank needs larger materials. Therefore, in order to effectively protect the bearings and the seals of the speed reducer, improve the mechanical performance, ensure that the whole mechanical system is designed reliably and runs stably, reduce the equipment manufacturing and maintenance cost, and generally arrange a bottom supporting device in the stirring equipment system.
The technical scheme of the Chinese patent with the patent name of bearing capable of being maintained and replaced outside a kettle is disclosed in the technical scheme of China patent utility model with the application number of 201720273089.8 and the application date of 2017 and 3 month 13, wherein a rotating surface is exposed in the kettle, and the O-shaped ring is arranged, so that the material in the kettle is difficult to avoid entering a sliding friction surface, sliding abrasion of a bushing and a bearing bush in the bottom support of a stirring device part is easily caused, and a stirring shaft head is also abraded and damaged when the stirring shaft head is serious, so that larger loss is caused. Meanwhile, the stirring shaft does not rotate smoothly, and resonance or vibration of stirring equipment can be caused. Meanwhile, in some special materials, metal ions produced at the sliding friction surface due to abrasion are required to be prevented from entering the materials. Therefore, the technical scheme of isolating the sliding friction surface of the stirring shaft in the kettle from the stirring environment in the kettle becomes a problem to be solved urgently.
Disclosure of Invention
The utility model aims to solve the technical problems that: the utility model provides a through setting up isolation mechanism, effectively prevented that the material from getting into bearing department, effectively reduced the wearing and tearing of bearing department, can effectively prevent simultaneously that the metal ion of the inside wearing and tearing of bottom stay from mixing into the stirring bottom strutting arrangement of material system.
The technical scheme adopted for solving the technical problems is as follows: this stirring end strutting arrangement, including fixing the supporting mechanism in cell body bottom surface, be provided with the bearing in supporting mechanism's inboard, the (mixing) shaft rotates with the bearing and is connected, its characterized in that: the support mechanism is provided with an isolation mechanism, and the rotation contact surface of the stirring shaft and the bearing is positioned in the isolation mechanism.
Preferably, the support mechanism comprises an annular fixed seat, the bearing is fixed in a central hole of the annular fixed seat, and the isolation mechanism comprises an upper isolation cavity arranged on the upper surface of the annular fixed seat and a lower isolation cavity arranged on the lower surface of the annular fixed seat.
Preferably, a material blocking cover is arranged at the bottom of the annular fixing seat, the upper end of the material blocking cover is fixed on the outer ring of the central hole of the annular fixing seat, and a lower isolation cavity is formed at the lower part of the annular fixing seat.
Preferably, the top of the annular fixing seat is sequentially fixed with an inner fixed isolating ring and an outer fixed isolating ring from inside to outside, the upper parts of the inner fixed isolating ring and the outer fixed isolating ring are also provided with an isolating cover plate, and the stirring shaft penetrates through a central hole of the isolating cover plate and is coaxially fixed with the isolating cover plate; the edge of the isolation cover plate is sleeved on the outer side of the outer fixed isolation ring and is attached to the outer surface of the outer fixed isolation ring, so that an upper isolation cavity is formed.
Preferably, the inner side of the lower surface of the isolation cover plate is coaxially provided with a rotary isolation ring, and the rotary isolation ring is sleeved on the outer side of the inner fixed isolation ring and is attached to the outer surface of the inner fixed isolation ring.
Preferably, the upper and lower isolation chambers are filled with an isolation liquid.
Preferably, a bearing seat is arranged at the central hole of the annular fixed seat, the bearing is arranged at the inner side of the bearing seat, a shaft sleeve is rotatably arranged at the inner ring of the bearing, and the stirring shaft is arranged in the shaft sleeve and is coaxially fixed with the shaft sleeve.
Preferably, the stirring shaft comprises an upper stirring shaft and a lower stirring shaft, the lower stirring shaft enters the isolation mechanism to be rotationally connected with the bearing, the top of the lower stirring shaft is led out from the isolation mechanism, and the upper stirring shaft is coaxially fixed at the top of the lower stirring shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. in this stirring end strutting arrangement, through setting up isolation mechanism, effectively prevented that the material from getting into bearing department, effectively reduced the wearing and tearing of bearing department, can effectively prevent simultaneously that the metal ion of the inside wearing and tearing of end support from mixing into the material system.
2. In the stirring bottom supporting device, the axial load of the stirring shaft is borne by the mounting bearing, so that the load of the groove top is reduced, and the safety of the groove top is improved.
3. The upper isolation cavity and the lower isolation cavity are filled with filling liquid, and because water or other solid-free liquid has almost no compressibility, when the liquid level in the tank is higher, the solid phase of the material at the bottom support is difficult to be pressed into the bottom support isolation cavity, and solid in the material is effectively prevented from entering the bearing.
4. In this stirring end strutting arrangement, adopt self-lubricating bearing, self-lubricating bearing installation accuracy requirement is low, can exempt from the later maintenance, and this structure greatly reduced the stirring axle manufacture, the requirement of installation accuracy, increased the reliability of system, improved the life of end support, especially to the cell body of continuous production of major diameter, the advantage is more obvious.
Drawings
FIG. 1 is a schematic view of a stirring bottom support device.
Wherein: 1. the stirring device comprises an upper stirring shaft 2, a lower stirring shaft 3, an upper connecting flange 4, a lower connecting flange 5, an isolation cover plate 6, a shaft sleeve 7, an inner fixed isolation ring 8, a bottom gland 9, an outer fixed isolation ring 10, an annular fixing seat 11, an annular support 12, a first reinforcing rib 13, a second reinforcing rib 14, a groove body 15, a material blocking cover 16, an isolation liquid 17, a bearing seat 18, a rotary isolation ring 19 and a bearing.
Detailed Description
FIG. 1 is a preferred embodiment of the present utility model, and the present utility model is further described with reference to FIG. 1.
Example 1:
as shown in fig. 1, a stirring bottom supporting device comprises a supporting mechanism fixed on the bottom surface of a tank body 14, wherein the supporting mechanism comprises an annular support 11, and the annular support 11 is erected above the bottom surface of the tank body 14 through a first reinforcing rib 12 and a second reinforcing rib 13 at the bottom of the annular support 11. An annular fixing seat 10 is arranged on the surface of the annular support 11, and the annular fixing seat 10 and the annular support 11 are coaxially fixed through a plurality of bolts of the circumference of the annular fixing seat.
A bearing seat 17 is arranged at the central hole of the annular fixed seat 10, and the bearing seat 17 is preferably fixed with the annular fixed seat 10 in a welding mode. The bearing 19 is arranged on the inner side of the bearing seat 17, the bearing 19 is a T-shaped self-lubricating bearing, the end face of the bearing 19 is fixed with the bearing seat through screws, the requirement on the installation precision of the self-lubricating bearing is low, the post maintenance can be avoided, the structure greatly reduces the requirements on the manufacturing and installation precision of the stirring shaft, the reliability of a system is improved, the service life of a bottom support is prolonged, and the advantage is more obvious, especially for a groove body with a large diameter and continuously produced groove body.
The inner ring of the bearing 19 is rotatably provided with a shaft sleeve 6, the lower stirring shaft 2 is installed in the shaft sleeve 6, a bottom gland 8 is fixed at the bottom of the shaft sleeve 6, and after the lower stirring shaft 2 is installed in the shaft sleeve 6, the bottom gland 8 is fixed with the lower stirring shaft 2 through a plurality of fixing bolts at the bottom of the bottom gland 8, and meanwhile, the lower stirring shaft 2 and the shaft sleeve 6 are coaxially fixed.
The outer ring at the top of the lower stirring shaft 2 is fixedly provided with a lower connecting flange 4, the top of the lower connecting flange 4 is provided with an upper connecting flange 3, the upper connecting flange 3 and the lower connecting flange 4 are coaxially fixed through a plurality of bolts of a peripheral ring, and the top of the upper connecting flange 3 is coaxially fixed with an upper stirring shaft 1.
The isolation mechanism is arranged at the annular fixing seat 10 and comprises a material blocking cover 15 covered at the bottom of the annular fixing seat 10, the upper end of the material blocking cover 15 is open, the open end of the material blocking cover is fixed on the outer ring of the central hole of the annular fixing seat 10 from the bottom of the annular fixing seat 10, and a lower isolation cavity is formed at the lower part of the annular fixing seat 10.
The top of the annular fixing seat 10 is sequentially fixed with an inner fixed isolating ring 7 and an outer fixed isolating ring 9 from inside to outside, the upper parts of the inner fixed isolating ring 7 and the outer fixed isolating ring 9 are also provided with an isolating cover plate 5, and the minimum gap between the isolating cover plate 5 and the inner fixed isolating ring 7 and the minimum gap between the isolating cover plate 5 and the outer fixed isolating ring 9 are 2mm. The lower stirring shaft 2 penetrates through the central hole of the isolation cover plate 5, and is vertically bent upwards from the inner edge of the central hole of the isolation cover plate 5 to form a sheath sleeved on the surface of the lower stirring shaft 2, and the screw penetrates through the sheath and then is radially screwed into the lower stirring shaft 2, so that the isolation cover plate 5 and the lower stirring shaft 2 are fixed.
The edge of the isolation cover plate 5 is vertically bent downwards and then sleeved on the outer side of the outer fixed isolation ring 9, and is attached to the outer surface of the outer fixed isolation ring 9. An annular rotary isolating ring 18 is also fixed on the lower surface of the isolating cover plate 5, and the rotary isolating ring 18 is sleeved on the outer side of the inner fixed isolating ring 7 and is attached to the outer surface of the inner fixed isolating ring 7. An upper isolation cavity is formed at the upper part of the annular fixed seat 10 through the isolation cover plate 5, the inner fixed isolation ring 7 and the outer fixed isolation ring 9 which are connected with the isolation cover plate in a sliding way.
The upper isolation cavity and the lower isolation cavity are filled with the isolation liquid 16, the isolation liquid 16 adopts water or other liquid without solid content and corrosion, and the isolation cavities are respectively formed on the upper part and the lower part of the annular fixing seat 19, so that materials are effectively prevented from entering the bearing 19, abrasion at the bearing 19 is effectively reduced, and meanwhile, metal ions abraded inside the bottom support can be effectively prevented from being mixed into a material system.
Example 2:
this embodiment differs from embodiment 1 in that: the minimum clearance between the isolation cover plate 5 and the inner fixed isolation ring 7 and the minimum clearance between the isolation cover plate and the outer fixed isolation ring 9 are 4mm.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a stirring end strutting arrangement, is provided with bearing (19) including fixing the supporting mechanism in cell body (14) bottom surface in supporting mechanism's inboard, (mixing) shaft and bearing (19) rotation connection, its characterized in that: an isolation mechanism is arranged at the support mechanism, and the rotation contact surface of the stirring shaft and the bearing (19) is positioned in the isolation mechanism;
the supporting mechanism comprises an annular fixed seat (10), a bearing is fixed in a central hole of the annular fixed seat (10), and the isolating mechanism comprises an upper isolating cavity arranged on the upper surface of the annular fixed seat (10) and a lower isolating cavity arranged on the lower surface of the annular fixed seat (10);
an inner fixed isolation ring (7) and an outer fixed isolation ring (9) are sequentially fixed at the top of the annular fixed seat (10) from inside to outside, an isolation cover plate (5) is further arranged at the upper parts of the inner fixed isolation ring (7) and the outer fixed isolation ring (9), and a stirring shaft penetrates through a central hole of the isolation cover plate (5) and is coaxially fixed with the isolation cover plate (5); the edge of the isolation cover plate (5) is sleeved on the outer side of the outer fixed isolation ring (9) and is attached to the outer surface of the outer fixed isolation ring (9) to form an upper isolation cavity.
2. The stirring base support device of claim 1, wherein: the bottom of the annular fixing seat (10) is provided with a material blocking cover (15), the upper end of the material blocking cover (15) is fixed on the outer ring of the central hole of the annular fixing seat (10), and a lower isolation cavity is formed at the lower part of the annular fixing seat (10).
3. The stirring base support device of claim 1, wherein: the inner side of the lower surface of the isolation cover plate (5) is coaxially provided with a rotary isolation ring (18), and the rotary isolation ring (18) is sleeved on the outer side of the inner fixed isolation ring (7) and is attached to the outer surface of the inner fixed isolation ring (7).
4. The stirring base support device of claim 1, wherein: and the upper isolation cavity and the lower isolation cavity are filled with isolation liquid.
5. The stirring base support device of claim 1, wherein: a bearing seat (17) is arranged at the central hole of the annular fixing seat (10), a bearing (19) is arranged at the inner side of the bearing seat (17), a shaft sleeve (6) is rotatably arranged at the inner ring of the bearing (19), and the stirring shaft is arranged in the shaft sleeve (6) and is coaxially fixed with the shaft sleeve (6).
6. The stirring base support device of claim 1, wherein: the stirring shaft comprises an upper stirring shaft (1) and a lower stirring shaft (2), the lower stirring shaft (2) enters the isolation mechanism and is rotationally connected with the bearing (19), the top of the lower stirring shaft (2) is led out from the isolation mechanism, and the upper stirring shaft (1) is coaxially fixed at the top of the lower stirring shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543849.4U CN220214772U (en) | 2023-06-16 | 2023-06-16 | Stirring bottom supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543849.4U CN220214772U (en) | 2023-06-16 | 2023-06-16 | Stirring bottom supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214772U true CN220214772U (en) | 2023-12-22 |
Family
ID=89179913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543849.4U Active CN220214772U (en) | 2023-06-16 | 2023-06-16 | Stirring bottom supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220214772U (en) |
-
2023
- 2023-06-16 CN CN202321543849.4U patent/CN220214772U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |