CN208311279U - It is a kind of fill the water positive seal spiral classifier lower-shaft hold - Google Patents
It is a kind of fill the water positive seal spiral classifier lower-shaft hold Download PDFInfo
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- CN208311279U CN208311279U CN201820329992.6U CN201820329992U CN208311279U CN 208311279 U CN208311279 U CN 208311279U CN 201820329992 U CN201820329992 U CN 201820329992U CN 208311279 U CN208311279 U CN 208311279U
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- gutter
- shaft
- bearing
- spiral classifier
- axis
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Abstract
The utility model discloses a kind of spiral classifier lower-shafts for filling the water positive seal to hold, belong to sealing structure technical field, the utility model includes axis, sliding bearing, end cover, shaft end gland, gutter, admitting pipe joint, discharge outlet, pressure water and bearing block, the side of the axis is provided with collar, the end face of the axis offers the threaded hole of fixing axle side pressure lid, described sliding bearing one end offers the threaded hole of installation end cover, the side of the end cover is connected with admitting pipe joint, the gutter includes longitudinal gutter and lateral gutter, and longitudinal gutter is communicated with lateral gutter；The utility model makes sliding bearing inner cavity full of pressure water using above structure and is continuously discharged from clearance seal, to prevent the mine sand in ore pulp from entering in bearing, extends bearing service life.
Description
Technical field
The utility model relates to sealing structure technical fields, more specifically to a kind of spiral for filling the water positive seal
Classifier lower-shaft is held.
Background technique
It is immersed in ore pulp when the lower support work of spiral classifier main shaft, working environment is severe, and sealing is difficult, and mine sand holds
Easily enter in bearing from sealing place of bearing, causes bearing wear serious or stuck phenomenon, the lower support of spiral classifier main shaft
It is a kind of to use rolling bearing for lower support and there are mainly two types of sealings at present, it is packing seal or mechanical seal at dynamic sealing, fills out
It is very fast to expect that the mine sand sealed the disadvantage is that in ore pulp wears the filler in packing seal, need to often compress filler or replacement filler,
The shortcomings that mechanical seal is that structure is complicated, and matching requirements are high.Once failing, mine sand enters the axis of rolling for packing seal or mechanical seal
In holding, it will cause bearing roller abrasion deformation, stuck phenomenon, the time for the needs that resume production is longer, in practical application
In it is less.Sliding bearing of the another kind using soft materials such as rubber or nylon, no sealing structure, the disadvantage is that mine sand is easily accessible cunning
It is easily drained in sliding bearing again in dynamic bearing, bearing and journal wear are very fast, but not the phenomenon for causing bearing stuck, to life
It is small to produce influence, using more extensive than the first.The lower support service life of above two structure is generally shorter, high failure rate.
Therefore, it being immersed in ore pulp when the lower support work of spiral classifier main shaft, working environment is severe, and sealing is difficult,
Ore pulp is easy to enter in bearing from sealing place of bearing,
Utility model content
1. technical problems to be solved
In view of the defects existing in the prior art with deficiency, the spiral that the utility model provides a kind of water filling positive seal is divided
Grade machine lower bearing, prevents the mine sand in ore pulp from entering in bearing, extends bearing service life.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of spiral classifier lower-shaft of water filling positive seal of the utility model is held, including axis, collar, sliding bearing,
End cover, shaft end gland, admitting pipe joint, gutter, discharge outlet and bearing block, the side of the axis are provided with collar,
The end face of the axis offers the threaded hole of fixing axle side pressure lid, and described sliding bearing one end offers installation end cover
Threaded hole, the side of the end cover is connected with admitting pipe joint, and the gutter includes longitudinal gutter and horizontal
To gutter, and longitudinal gutter is communicated with lateral gutter, at the end face cooperation of the sliding bearing end face and collar
The clearance seal of formation is provided with discharge outlet.
Further, the material of the sliding bearing is nylon, and is provided with gutter.
Further, the outer ring of the axis is set with collar.
Further, the collar of the shaft end gland and axis outer ring is separately mounted to the both ends of sliding bearing, shaft end pressure
Gap between lid limitation collar end face and the end face of sliding bearing.
Further, the internal diameter of the end cover is greater than the internal diameter of shaft end gland, end cover and axis
Side pressure lid is non-interference.
Further, the bearing block is clip shell formula Split type bearing support, and the top of bearing block is provided with lifting lug, with spiral
The hoisting mechanism of grader connects.
Further, the input terminal of the admitting pipe joint is connected with other penstocks, the confession of admitting pipe joint
Water pressure is greater than Bearing outer pressure.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
A kind of spiral classifier lower-shaft of water filling positive seal of the utility model is held, the use of water injection type positive seal,
Effectively prevent ore pulp from entering bearing, bearing service life extends one times or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the working principle diagram of the utility model.
In figure: 1, axis；2, collar；3, sliding bearing；4, end cover；5, shaft end gland；6, admitting pipe joint；7, diversion
Slot；8, discharge outlet；9, bearing block.
Specific embodiment
The technical solution of the utility model is described further with specific embodiment with reference to the accompanying drawing:
Embodiment 1
It will be seen from figure 1 that a kind of spiral classifier lower-shaft of water filling positive seal of the present embodiment is held, including axis 1, axis
Ring 2, sliding bearing 3, end cover 4, shaft end gland 5, admitting pipe joint 6, gutter 7, discharge outlet 8 and bearing block 9, axis 1
Side is provided with collar 2, and the outer ring of axis 1 is set with collar 2, and the end face of axis 1 offers the threaded hole of fixing axle side pressure lid 5, axis
The collar 2 of side pressure lid 5 and 1 outer ring of axis is separately mounted to the both ends of sliding bearing 3, and shaft end gland 5 limits 2 end face of collar and sliding
Gap between the end face of bearing 3,3 one end of sliding bearing offer installation end cover 4 threaded hole, end cover 4 it is interior
Diameter size is greater than the internal diameter of shaft end gland 5, and end cover 4 and shaft end gland 5 are non-interference, and the side of end cover 4 connects
It is connected to admitting pipe joint 6, the input terminal of admitting pipe joint 6 is connected with other penstocks, the pressure of supply water of admitting pipe joint 6
Greater than Bearing outer pressure, the material of sliding bearing 3 is nylon, and is provided with gutter 7, and gutter 7 includes longitudinal gutter
With lateral gutter, and longitudinal gutter is communicated with lateral gutter, 3 end face of sliding bearing at the end face cooperation of collar 2
The clearance seal of formation is provided with discharge outlet 8, and discharge outlet 8 is arranged at plane dynamic sealing, and bearing block 9 is clip shell formula split bearing
Seat, the top of bearing block 9 is provided with lifting lug, connect with the hoisting mechanism of spiral classifier.
Figure it is seen that a kind of spiral classifier lower-shaft of water filling positive seal of the present embodiment is held, in sliding bearing
Increase admitting pipe joint 6 on the basis of 3, inside pressure water injection sliding bearing 3, so that pressure water and sliding bearing 3 is interior
Chamber forms positive pressure, then is discharged from the gap location of 3 end face of sliding bearing, so that ore pulp be prevented to enter sliding bearing 3, water simultaneously can be with
As the lubricant and coolant of sliding bearing 3, for the gap for controlling discharge outlet, the side of sliding bearing 3 is provided with shaft end pressure
Lid 5, the water of discharge, which enters in ore pulp, will not pollute and waste the effect for also acting as supplement overflow water.
A kind of spiral classifier lower-shaft of water filling positive seal of the utility model is held, the use of water injection type positive seal,
Effectively prevent ore pulp from entering bearing, bearing service life extends one times or more.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of spiral classifier lower-shaft for filling the water positive seal is held, it is characterised in that: including axis (1), collar (2), sliding axle
Hold (3), end cover (4), shaft end gland (5), admitting pipe joint (6), gutter (7), discharge outlet (8) and bearing block (9), institute
The side for the axis (1) stated is provided with collar (2), and the end face of the axis (1) offers the threaded hole of fixing axle side pressure lid (5),
Described sliding bearing (3) one end offers the threaded hole of installation end cover (4), and the side of the end cover (4) connects
Be connected to admitting pipe joint (6), the gutter (7) includes longitudinal gutter and lateral gutter, and longitudinal gutter with
Lateral gutter communicates, and the clearance seal formed at the sliding bearing (3) end face and the end face cooperation of collar (2) is provided with
Discharge outlet (8).
2. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 is held, it is characterised in that: described
The material of sliding bearing (3) is nylon, and is provided with gutter (7).
3. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 is held, it is characterised in that: described
The outer ring of axis (1) is set with collar (2).
4. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 or 2 is held, it is characterised in that: institute
The collar (2) of the shaft end gland (5) and axis (1) outer ring stated is separately mounted to the both ends of sliding bearing (3), shaft end gland (5) limit
Gap between collar (2) end face and the end face of sliding bearing (3) processed.
5. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 is held, it is characterised in that: described
The internal diameter of end cover (4) is greater than the internal diameter of shaft end gland (5), and end cover (4) is not done mutually with shaft end gland (5)
It relates to.
6. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 is held, it is characterised in that: described
Bearing block (9) is clip shell formula Split type bearing support, and the top of bearing block (9) is provided with lifting lug, the hoisting mechanism with spiral classifier
Connection.
7. a kind of spiral classifier lower-shaft for filling the water positive seal according to claim 1 is held, it is characterised in that: described
The input terminal of admitting pipe joint (6) is connected with other penstocks, and the pressure of supply water of admitting pipe joint (6) is greater than Bearing outer
Pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329992.6U CN208311279U (en) | 2018-03-12 | 2018-03-12 | It is a kind of fill the water positive seal spiral classifier lower-shaft hold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329992.6U CN208311279U (en) | 2018-03-12 | 2018-03-12 | It is a kind of fill the water positive seal spiral classifier lower-shaft hold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311279U true CN208311279U (en) | 2019-01-01 |
Family
ID=64721695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329992.6U Active CN208311279U (en) | 2018-03-12 | 2018-03-12 | It is a kind of fill the water positive seal spiral classifier lower-shaft hold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311279U (en) |
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2018
- 2018-03-12 CN CN201820329992.6U patent/CN208311279U/en active Active
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