CN208321122U - A kind of centrifuge drive assembly - Google Patents
A kind of centrifuge drive assembly Download PDFInfo
- Publication number
- CN208321122U CN208321122U CN201820688514.4U CN201820688514U CN208321122U CN 208321122 U CN208321122 U CN 208321122U CN 201820688514 U CN201820688514 U CN 201820688514U CN 208321122 U CN208321122 U CN 208321122U
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- bearing
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- upper bearing
- gland
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Abstract
The utility model discloses a kind of centrifuge drive assemblies with long service life, including mounting base, it is equipped with shaft seat in mounting base, is rotated in shaft seat by upper bearing (metal) group and lower bearing group and is equipped with main shaft, main shaft one end is equipped with belt pulley, and the main shaft other end is equipped with drum assembly；Lower axle pressure cap is equipped on shaft seat at lower bearing group, upper bearing (metal) gland is equipped on shaft seat at upper bearing (metal) group, spacer in annular is arranged on the main shaft, upper bearing (metal) gland is equipped with seal groove, seal assembly is equipped in seal groove, upper bearing (metal) gland is equipped with the sealing cover for covering seal assembly, and sealing ring is equipped between lower axle pressure cap and main shaft, the drum assembly includes the annular attachment base being connected with main shaft, and annular attachment base is equipped with rotary drum；The upper bearing (metal) positioning sleeve of positioning upper bearing (metal) group middle (center) bearing inner ring is arranged on the main shaft between side of the upper bearing (metal) group far from drum assembly and the main shaft shaft shoulder.
Description
Technical field
The utility model relates to a kind of centrifuge more particularly to a kind of drive assemblies of centrifuge.
Background technique
In existing centrifuge drive assembly, has the following problems: that material and moisture infiltration cause main shaft corrosive wear, turn
Bulging to cause to need integral replacing rotary drum bearing wear with the abrasion of main shaft interconnecting piece after use, bearing assembly is transported in long-term high speed
Easy to wear in turning, when separating the material containing flammable and explosive substance, inflammable gas enters can in the cavity between main shaft and shaft seat
Detonation, which can occur, causes spindle unit damage etc., these have all seriously affected the service life of centrifuge drive assembly, increase
Equipment later period maintenance dismounts difficulty.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of centrifuge drive assemblies with long service life.
In order to solve the above technical problems, the technology employed by the present utility model is a kind of centrifuge drive assembly, packet
The mounting base being connected with centrifuge pedestal is included, perforative mounting hole is equipped in mounting base, is equipped with shaft seat, shaft in mounting hole
Main shaft is equipped with by upper bearing (metal) group and the rotation of lower bearing group in seat, main shaft is pierced by mounting base and sets on one end of lower bearing group
There is belt pulley, spindle nose is equipped with the belt wheel pressing plate for compressing belt pulley, and the other end that main shaft is pierced by shaft seat is equipped with drum assembly；
The lower axle pressure cap being fixedly connected with shaft seat is equipped on shaft seat at lower bearing group, is equipped at upper bearing (metal) group on shaft seat
The upper bearing (metal) gland being fixedly connected with shaft seat is arranged with annular close to the side of drum assembly in upper bearing (metal) group on the main shaft
Upper spacer, the position of spacer is equipped with seal groove in upper bearing (metal) gland face, is equipped with seal assembly, the upper bearing (metal) pressure in seal groove
It covers the side close to drum assembly and is equipped with the sealing cover for covering seal assembly, sealing ring is equipped between lower axle pressure cap and main shaft,
Annular gap is equipped between upper bearing (metal) gland and upper bearing (metal) group, it is logical that upper bearing (metal) gland is equipped with the oil inlet being connected with annular gap
Road, oil inlet pipe passes through shaft seat and mounting base is connected with oil inlet passage, and oil inlet pipe outer end is fixedly connected with fuelling coupling, shaft
The lubricating oil pipe being connected with lower bearing group inner cavity is equipped in seat；The drum assembly includes that the annular being connected with main shaft is connect
Seat, annular attachment base are equipped with rotary drum, and spindle nose is equipped with the top board for compressing annular attachment base and rotary drum；On the main shaft
The upper bearing (metal) that positioning upper bearing (metal) group middle (center) bearing inner ring is arranged between side of the upper bearing (metal) group far from drum assembly and the main shaft shaft shoulder is fixed
Position set.
As a preferred solution, the seal assembly includes a pair of sealing ring being set side by side, two sealing rings it
Between be equipped with sealing gland spacer, sealing gland spacer is equipped with air inlet, and the upper bearing (metal) gland is equipped with the hole that connects with sealing gland spacer,
Upper bearing (metal) gland is equipped with the suction nozzle for being passed through nitrogen or inert gas.
As a preferred solution, the lower bearing group includes the deep groove ball bearing being set side by side and cylindrical roller axis
It holds, inner edge is equipped with lower bearing cone spacer between deep groove ball bearing and cylinder roller bearing, between deep groove ball bearing and cylinder roller bearing
Outer rim is equipped with lower bearing outer ring spacer, and lower bearing outer ring spacer is equipped with the hole to connect with lubricating oil pipe.
As a preferred solution, the upper bearing (metal) gland is equipped with corrosion resistant spiral shell with the bolt that shaft seat is mutually fixed
Bolt protective case.
As a preferred solution, it is equipped between the shaft seat and upper bearing (metal) gland and is matched with the import of oil inlet passage
Landing nipple, oil inlet connecting tube is equipped in shaft seat, oil inlet connecting tube one end penetrates in landing nipple, and oil inlet connecting tube is another
End is connect with oil inlet pipe.
As a preferred solution, belt pulley positioning sleeve is equipped on the main shaft on the outside of belt pulley；The shaft seat
The bearing insert of positioning bearing outer ring is equipped between interior upper bearing (metal) group and lower bearing group.
As a preferred solution, the grease support of annular is equipped in the side close to upper bearing (metal) group in the bearing insert
Disk.
As a preferred solution, protection cap is covered on the top board.
The beneficial effects of the utility model are: this equipment has good sealing performance, so that it is guaranteed that main shaft is in closed loop
It works in border, material gas or liquid is avoided to cause to corrode to main shaft, extend the service life of equipment；Due in upper bearing (metal) group
The channel of conveying lubricant grease is provided with lower bearing group, so that upper bearing (metal) group and lower bearing group obtain sufficient lubrication, to prolong
The service life for having grown upper bearing (metal) group and lower bearing group avoids the problem of frequently replacing bearing；Due to drum assembly include with
The annular attachment base that main shaft is connected, annular attachment base are equipped with rotary drum, and spindle nose, which is equipped with, compresses annular attachment base and rotary drum
Top board, can be replaced after the abrasion of annular attachment base, avoid integral replacing shaft, extend the use of bowl
Service life greatly reduces the working service cost of centrifuge.
Since seal assembly includes a pair of sealing ring being set side by side, sealing gland spacer, sealing gland are equipped between two sealing rings
Spacer is equipped with air inlet, and the upper bearing (metal) gland is equipped with the hole to connect with sealing gland spacer, and upper bearing (metal) gland is equipped with logical
Enter the suction nozzle of nitrogen or inert gas；It is designed using protective gas, improves the air pressure between main shaft and shaft seat, prevented
The inflammable and explosive material gas stopped in centrifuge enters between main shaft and shaft seat, avoids when separating flammable materials because of axis
The temperature for holding high-speed rotation increases the deflagration phenomenon for causing material gas, to extend the service life of equipment.
Since positioning upper bearing (metal) group is arranged on main shaft between side of the upper bearing (metal) group far from drum assembly and the main shaft shaft shoulder
The upper bearing (metal) positioning sleeve of middle (center) bearing inner ring, rather than upper bearing (metal) component is positioned directly on the main shaft shaft shoulder, avoid upper bearing (metal) group
Suffered radial direction torsion and axial force act directly at the main shaft shaft shoulder, the situation to crack at the shaft shoulder are avoided, so that main shaft
It is hardly damaged, extends the service life of main shaft.
Due to using bearing group, cylinder roller bearing and deep groove ball bearing are respectively subjected to radial force and axial force, significantly
Extend the service life of bearing.
Due to using bolt protection case and protection cap, between effectively preventing between material and moisture infiltration bolt and part
Gap.
Due to being equipped with the landing nipple matched with the import of oil inlet passage, shaft between the shaft seat and upper bearing (metal) gland
Oil inlet connecting tube is equipped in seat, oil inlet connecting tube one end penetrates in landing nipple, and the oil inlet connecting tube other end is connect with oil inlet pipe,
Oil inlet pipe is allowed to be more convenient rapidly to connect with the oil inlet passage on upper bearing (metal) gland.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure of bearings schematic diagram of the utility model.
Fig. 3 is the oil inlet pipe structural schematic diagram of the utility model.
Fig. 1 is into Fig. 3: 1. main shafts, 2. belt pulleys, 3. belt wheel pressing plates, 4. belt pulley positioning sleeves, 5. lower axle bearing plates, and 6.
Lower bearing group, 61. deep groove ball bearings, 62. lower bearing cone spacers, 63. cylinder roller bearings, 64. lower bearing outer ring spacers；
7. shaft seat, 8. lubricating oil pipes, 9. bearing inserts, 10. grease pallets, 11. upper bearing (metal) positioning sleeves, 12. upper bearing (metal)s
Group, spacer on 13., 14. upper bearing (metal) glands, 15. oil inlet pipes, 151. landing nipples, 152. oil inlet connecting tubes, 153., which refuel, connects
Head；16 bolt protection cases, 17 sealing covers, 18. annular attachment bases, 19. rotary drums, 20. top boards, 21. protection caps.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the utility model is described in detail.
As shown in Figure 1-3, a kind of centrifuge drive assembly, including the mounting base being connected with centrifuge pedestal, mounting base
In be equipped with perforative mounting hole, shaft seat 7 is equipped in mounting hole, passes through upper bearing (metal) group 12 and 6 turns of lower bearing group in shaft seat 7
It is dynamic to be equipped with main shaft 1.
The bearing insert 9 of positioning bearing outer ring is equipped in shaft seat 7 between upper bearing (metal) group 12 and lower bearing group 6.Jewel
The grease pallet 10 of annular is equipped in set 9 in the side close to upper bearing (metal) group 12.
Main shaft 1 is pierced by mounting base and is equipped with belt pulley 2 close to one end of lower bearing group 6, in 2 outside of belt pulley on main shaft 1
Equipped with belt pulley positioning sleeve 4.1 end of main shaft is equipped with the belt wheel pressing plate 3 for compressing belt pulley 2.Main shaft 1 is pierced by the another of shaft seat 7
End is equipped with drum assembly；Drum assembly includes the annular attachment base 18 being connected with main shaft 1, and annular attachment base 18 is equipped with rotary drum
19,1 end of main shaft is equipped with the top board 20 for compressing annular attachment base 18 and rotary drum 19.Protection cap 21 is covered on top board 20.
Positioning upper bearing (metal) group is arranged on main shaft 1 between 1 shaft shoulder of side of the upper bearing (metal) group 12 far from drum assembly and main shaft
The upper bearing (metal) positioning sleeve 11 of 12 middle (center) bearing inner rings.
The lower axle pressure cap 5 being fixedly connected with shaft seat 7, lower axle pressure cap 5 are equipped on shaft seat 7 at lower bearing group 6
Sealing ring is equipped between main shaft 1.The lubricating oil pipe 8 being connected with 6 inner cavity of lower bearing group is equipped in shaft seat 7.The lower axle
Holding group 6 includes the deep groove ball bearing 61 and cylinder roller bearing 63 being set side by side, deep groove ball bearing 61 and cylinder roller bearing 63
Between inner edge be equipped with lower bearing cone spacer 62, between deep groove ball bearing 61 and cylinder roller bearing 63 outer rim be equipped with lower bearing outer ring spacer
64, lower bearing outer ring spacer 64 is equipped with the hole to connect with lubricating oil pipe 8.
The upper bearing (metal) gland 14 being fixedly connected with shaft seat 7, upper bearing (metal) gland are equipped on shaft seat 7 at upper bearing (metal) group 12
14 are equipped with corrosion resistant bolt protection case 16 with the fixed bolt of 7 phase of shaft seat.
Spacer 13 in annular, upper bearing (metal) pressure are arranged with close to the side of drum assembly in upper bearing (metal) group 12 on the main shaft 1
The position of spacer 13 is equipped with seal groove in 14 face of lid, and seal assembly is equipped in seal groove, and seal assembly includes that a pair is set side by side
The sealing ring set, is equipped with sealing gland spacer between two sealing rings, and sealing gland spacer is equipped with air inlet, on the upper bearing (metal) gland 14
Equipped with the hole (not shown) to connect with sealing gland spacer, upper bearing (metal) gland 14 be equipped be passed through nitrogen or inert gas into
Gas nozzle (not shown).The upper bearing (metal) gland 14 is equipped with the sealing cover for covering seal assembly close to the side of drum assembly
17。
Annular gap is equipped between upper bearing (metal) gland 14 and upper bearing (metal) group 12, upper bearing (metal) gland 14 is equipped with and annular gap phase
The oil inlet passage of connection, oil inlet pipe 15 passes through shaft seat 7 and mounting base is connected with oil inlet passage, 15 outer end of oil inlet pipe and oiling
Connector 153 is fixedly connected.The landing nipple matched with the import of oil inlet passage is equipped between shaft seat 7 and upper bearing (metal) gland 14
151, oil inlet connecting tube 152 is equipped in shaft seat 7,152 one end of oil inlet connecting tube penetrates in landing nipple 151, oil inlet connecting tube
152 other ends are connect with oil inlet pipe 15.
The principles and effects of the invention, and the implementation that part uses only is illustrated in the above embodiments
Example, rather than limits the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from this hair
Under the premise of bright concept, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Claims (8)
1. a kind of centrifuge drive assembly is equipped with perforative peace including the mounting base being connected with centrifuge pedestal in mounting base
Hole is filled, shaft seat is equipped in mounting hole, is rotated in shaft seat by upper bearing (metal) group and lower bearing group and is equipped with main shaft, main shaft is pierced by
Mounting base is equipped with belt pulley close to one end of lower bearing group, and spindle nose is equipped with the belt wheel pressing plate for compressing belt pulley, and main shaft is worn
The other end of shaft seat is equipped with drum assembly out；The lower bearing being fixedly connected with shaft seat is equipped on shaft seat at lower bearing group
Gland is equipped with the upper bearing (metal) gland being fixedly connected with shaft seat on shaft seat, it is characterised in that: the main shaft at upper bearing (metal) group
On in upper bearing (metal) group be arranged with spacer in annular close to the side of drum assembly, the position of spacer is equipped in upper bearing (metal) gland face
Seal groove, seal assembly is equipped in seal groove, and the upper bearing (metal) gland is equipped with close to the side of drum assembly and covers seal assembly
Sealing cover, between lower axle pressure cap and main shaft be equipped with sealing ring, between upper bearing (metal) gland and upper bearing (metal) group be equipped with annular gap, on
Bearing gland is equipped with the oil inlet passage being connected with annular gap, and oil inlet pipe passes through shaft seat and mounting base and oil inlet passage phase
Connection, oil inlet pipe outer end are fixedly connected with fuelling coupling, and the lubricating oil pipe being connected with lower bearing group inner cavity is equipped in shaft seat；
The drum assembly includes the annular attachment base being connected with main shaft, and annular attachment base is equipped with rotary drum, and spindle nose is equipped with pressure
The top board of tight annular attachment base and rotary drum；On the main shaft between side of the upper bearing (metal) group far from drum assembly and the main shaft shaft shoulder
It is arranged with the upper bearing (metal) positioning sleeve of positioning upper bearing (metal) group middle (center) bearing inner ring.
2. a kind of centrifuge drive assembly as described in claim 1, it is characterised in that: the seal assembly includes a pair of arranged side by side
The sealing ring of setting, is equipped with sealing gland spacer between two sealing rings, and sealing gland spacer is equipped with air inlet, on the upper bearing (metal) gland
Equipped with the hole to connect with sealing gland spacer, upper bearing (metal) gland is equipped with the suction nozzle for being passed through nitrogen or inert gas.
3. such as a kind of centrifuge drive assembly of any of claims 1-2, it is characterised in that: the lower bearing group packet
The deep groove ball bearing and cylinder roller bearing being set side by side are included, inner edge is equipped with lower bearing between deep groove ball bearing and cylinder roller bearing
Cone spacer, outer rim is equipped with lower bearing outer ring spacer between deep groove ball bearing and cylinder roller bearing, and lower bearing outer ring spacer is equipped with and profit
The hole that oil pipe connects.
4. a kind of centrifuge drive assembly as claimed in claim 3, it is characterised in that: between the shaft seat and upper bearing (metal) gland
Equipped with the landing nipple that the import with oil inlet passage matches, it is equipped with oil inlet connecting tube in shaft seat, oil inlet connecting tube one end is worn
Enter in landing nipple, the oil inlet connecting tube other end is connect with oil inlet pipe.
5. a kind of centrifuge drive assembly as claimed in claim 4, it is characterised in that: set on the outside of belt pulley on the main shaft
There is belt pulley positioning sleeve；The bearing insert of positioning bearing outer ring is equipped in the shaft seat between upper bearing (metal) group and lower bearing group.
6. a kind of centrifuge drive assembly as claimed in claim 5, it is characterised in that: close to upper axis in the bearing insert
The side for holding group is equipped with the grease pallet of annular.
7. a kind of centrifuge drive assembly as claimed in claim 6, it is characterised in that: the upper bearing (metal) gland and shaft seat phase
Fixed bolt is equipped with corrosion resistant bolt protection case.
8. a kind of centrifuge drive assembly as claimed in claim 7, it is characterised in that: be covered with protection on the top board
Lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688514.4U CN208321122U (en) | 2018-05-09 | 2018-05-09 | A kind of centrifuge drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688514.4U CN208321122U (en) | 2018-05-09 | 2018-05-09 | A kind of centrifuge drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208321122U true CN208321122U (en) | 2019-01-04 |
Family
ID=64777249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820688514.4U Active CN208321122U (en) | 2018-05-09 | 2018-05-09 | A kind of centrifuge drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208321122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311299A (en) * | 2018-05-09 | 2018-07-24 | 张家港市中南化工机械有限公司 | A kind of centrifuge drive assembly |
-
2018
- 2018-05-09 CN CN201820688514.4U patent/CN208321122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311299A (en) * | 2018-05-09 | 2018-07-24 | 张家港市中南化工机械有限公司 | A kind of centrifuge drive assembly |
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| GR01 | Patent grant |