CN204973182U - Main shaft protector - Google Patents
Main shaft protector Download PDFInfo
- Publication number
- CN204973182U CN204973182U CN201520592332.3U CN201520592332U CN204973182U CN 204973182 U CN204973182 U CN 204973182U CN 201520592332 U CN201520592332 U CN 201520592332U CN 204973182 U CN204973182 U CN 204973182U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- protector
- gear frame
- bearing
- protective cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a main shaft protector has solved the problem that current device main shaft contacted aggressive fume, its characterized in that installs protector between main shaft flange and gear frame, two terminal surfaces of protector respectively with gear frame, main shaft flange joint, main shaft flange, protector, gear frame form an inclosed space jointly, the gear frame is offered up a sacrifice the hole that the main shaft passes through and is sealed by protector, protector includes floating bearing, bearing box, protection casing, last clamping ring, lower clamping ring, and protector is scalable, the both ends relative rotation, and the bearing box is lubricated to the floating bearing, installs the plug screw on the bearing box. The utility model discloses a set up protector, form an airtight space between main shaft flange and gear frame, the hole of reserving on main shaft and the gear frame in the air is sealed completely exposing, and isolation aggressive fume has protected main shaft and transmission internals, and equipment protective performance height, reliability of operation are high, long service life.
Description
Technical field
The utility model relates to a kind of protector, relates to a kind of protector for central transmission concentrator main shaft or rather.
Background technology
When concentrating the ore pulp containing corrosive gas with thickener, after ore pulp enters concentration basin, along with the diffusion of ore pulp, the corrosive gas of sweeping along in ore pulp is released, and overflows liquid level, to external diffusion.Although equipment and liquid comes into contact part have all done preservative treatment according to the characteristic of medium, and are provided with seal closure below thickener crane span structure, seal closure has begun to rehearse gas port, collects gas and concentrates discharge; Also done preservative treatment at the lower surface of crane span structure, gas can not corrode through out-of-date.But the space that corrosive gas also can pass through along main shaft, enters transmission case body from liquid level.In the process, corrosion power transmission shaft surface, the corrosion product formed at axial plane is attached to axle surface, has infringement, make transmission device leakage of oil to oil sealing and driving center, affects the normal operation of mud scraper lifting.
Summary of the invention
The purpose of this utility model is that overcoming the deficiencies in the prior art provides a kind of main shaft protector, main shaft is enclosed in a closed space and works, spilling gas in ore pulp is stoped to rise along main shaft, main shaft is no longer contacted with corrosive gas with driving center, eliminate corrosive gas to the corrosion of parts in main shaft and transmission case, make equipment reliability service.
The technical solution adopted in the utility model is as follows: comprise main shaft, gear frame, crane span structure, mud scraper axle, spindle flange, mud scraper shaft flange, it is characterized in that: between spindle flange and gear frame, protector is installed, two end faces of protector are connected with gear frame, spindle flange respectively, spindle flange, protector, gear frame form an airtight space jointly, and the hole that gear frame passes through for main shaft is closed by protector; Described protector comprises floating bearing, bearing housing, protective cover, upper trim ring, lower clamping ring, realizes protector two ends relatively rotate by floating bearing, bearing housing internal memory removal of lubricant, to floating bearing lubrication, bearing housing has outage, installs plug screw; Described protective cover is scalable.
Described protector has two kinds of assembling modes, and first kind of way is that protective cover rotates with main shaft, and the second way is that protective cover does not rotate with main shaft.
As the first detailed description of the invention of the present utility model, the outer ring of floating bearing is connected on gear frame, inner ring connection bearing case; The upper end of protective cover is connected on bearing housing by upper trim ring, and lower end is connected on spindle flange by lower clamping ring.
Also guide rod is installed between described bearing housing and spindle flange; Guide rod is provided with nut through after spindle flange, mud scraper shaft flange.Guide rod drives protective cover to rotate, and eliminates the rotary resistance of protective cover.
The centre bore of described bearing housing and the contact position of main shaft are provided with airtight and watertight padding.
Described spindle flange also can connect connecting plate, and the lower end of protective cover is connected on connecting plate by lower clamping ring, and guide rod is provided with nut through after connecting plate.
As the second detailed description of the invention of the present utility model, the outer ring connection bearing case of floating bearing, inner ring connects connecting plate; The upper end of protective cover is connected on gear frame by upper trim ring, and lower end is connected on connecting plate by lower clamping ring.
Described protective cover is corrosion-resistant, has retractility, compressible when main shaft rises, extending when main shaft declines.
operation principle
One end and the spindle flange of protector connect together, and rotate with main shaft and be elevated, the other end is arranged on gear frame.Protective cover is realized and the relatively rotating of main shaft or gear frame by floating bearing.Spindle flange, protector, gear frame form an airtight space jointly, in ore pulp, the corrosive gas of release rises on spindle flange bottom, through protective cover outer surface to gear frame bottom surface, be blocked in outside protective cover, the main shaft in protective cover is not just by gas pickling.
When mud scraped by thickener, main shaft rotates, and the bearing housing of protector rotates with main shaft.When scraping mud resistance increase needs and proposing rake, main shaft rising, protector and spindle flange rise with main shaft and promote protective cover and fold; Main shaft stops rising, and protector stops rising and working in new position with main shaft.Reduce when scraping mud resistance, when main shaft declines, protector declines with main shaft, pulls protective cover to launch; Main shaft stops declining, and protector also stops declining, and works in new position.
Technique scheme is known, the beneficial effect that the utility model has:
1, by arranging protector; a confined space is formed between spindle flange and gear frame; hole reserved on exposed aerial main shaft and gear frame is sealed completely; corrosive gas is isolated; protect main shaft and transmission device inner body is not corroded; solve and having under gas attack environment, the protection of parts in thickener main shaft and transmission case.Equipment protection performance is high, reliability of operation is high, long service life.
2, protector adopts floating bearing and adopts oil immersed type lubrication, achieves protector and rotates with main shaft.
3, protector adopts telescopic corrosion-resistant protective cover, can stretch with the lifting of main shaft.
4, protector protection main shaft is adopted, for other occasions protection main shaft provides inspiration.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the another kind of detailed description of the invention of the utility model.
In figure, 1, gear frame, 2, protector, 3, crane span structure, 4, mud scraper axle, 5, main shaft, 6, spindle flange, 7, mud scraper shaft flange, 8, hole;
21, floating bearing, 22, bearing housing, 23, upper trim ring, 24, protective cover, 25, guide rod, 26, lower clamping ring, 27, nut, 28, plug screw, 29, packing seal;
31, connecting plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model comprises gear frame 1, protector 2, crane span structure 3, mud scraper axle 4, main shaft 5, spindle flange 6, mud scraper shaft flange 7 etc., is connected between mud scraper axle 4 and main shaft 5 by spindle flange 6, mud scraper shaft flange 7.
Described protector 2 comprises floating bearing 21, bearing housing 22, protective cover 24, upper trim ring 23, lower clamping ring 26 etc.
The outer ring of the floating bearing 21 of protector 2 is connected on gear frame 1, the inner ring connection bearing case 22 of floating bearing 21.
Protective cover 24 is corrosion-resistant, has retractility.Protective cover 24 is connected on the bottom surface of bearing housing 22 by upper trim ring 23 with bolt, and protective cover 24 lower end is connected on the connecting plate 31 that spindle flange 5 connects by lower clamping ring 26 bolt, or is connected directly between on the spindle flange 6 of main shaft 5.
Bearing housing 22 internal memory removal of lubricant, lubricates floating bearing 21, and floating bearing 21 is rotated flexibly.Bearing housing 22 there is outage, plug screw 28 is installed, for draining the oil, more emptying original lubricating oil during oil change; Airtight during outage not oil extraction.
Between bearing housing 22 and spindle flange 6, or between 6 connecting plates be connected 31, guide rod 25 is also installed with on spindle flange, makes bearing housing 22 and main shaft 5 synchronous rotary.Guide rod 25 through after spindle flange 6, mud scraper shaft flange 7, or is provided with nut 27 through after connecting plate 31, when main shaft 5 can be stoped to fall and guide rod 25 come off.
Centre bore and main shaft 5 contact position of bearing housing 22 are provided with airtight and watertight padding 29.
As mentioned above, protector 2 and gear frame 1, main shaft 5 form a confined space.The main shaft 5 of spindle flange more than 6 rotates, is elevated in airtight space.Floating bearing 21, bearing housing 22, guide rod 25, nut 27, plug screw 28, airtight and watertight padding 29 rotation do not move; When main shaft 5 rotates, protective cover 24, under guide rod 25 drives, rotates with main shaft 5 together with bearing housing 22.When main shaft 5 needs to be elevated, protective cover 24 stretches with main shaft 5, like this.The gas discharged in liquid in concentration basin, through the obstruct of protector 2, can not contact main shaft 5 again, can not be entered in transmission case body by the reserved hole 8 of gear frame 2 bottom.
As shown in Figure 2, the outer ring connection bearing case 22 of floating bearing 21, inner ring connects connecting plate 31; The upper end of protective cover 24 is connected on the bottom surface of gear frame 1 by upper trim ring 23, and lower end is connected on connecting plate 31 by lower clamping ring 26.When equipment runs, bearing housing 22, floating bearing 21, plug screw 28 are with the same rotation of main shaft 5, lifting; Protective cover 24 non rotating, only with main shaft 5 one lifting.
Claims (6)
1. a main shaft protector, comprise main shaft, gear frame, crane span structure, mud scraper axle, spindle flange, mud scraper shaft flange, it is characterized in that: protector (2) is installed between spindle flange (6) and gear frame (1), two end faces of protector (2) respectively with gear frame (1), spindle flange (6) connects, spindle flange (6), protector (2), gear frame (1) forms an airtight space jointly, the upper hole (8) supplying main shaft (5) to pass through of gear frame (1) is closed by protector (2), described protector (2) comprises floating bearing (21), bearing housing (22), protective cover (24), upper trim ring (23), lower clamping ring (26), realize protector (2) two ends by floating bearing (21) relatively to rotate, bearing housing (22) internal memory removal of lubricant, to floating bearing (21) lubrication, bearing housing (22) there is outage, plug screw (28) is installed, described protective cover (24) is scalable.
2. main shaft protector as claimed in claim 1, is characterized in that: the outer ring of floating bearing (21) is connected on gear frame (1), inner ring connection bearing case (22); The upper end of protective cover (24) is connected on bearing housing (22) by upper trim ring (23), and lower end is connected on spindle flange (6) by lower clamping ring (26).
3. main shaft protector as claimed in claim 2, is characterized in that: be also provided with guide rod (25) between described bearing housing (22) and spindle flange (6); Guide rod (25) is provided with nut (27) through after spindle flange (6), mud scraper shaft flange (7).
4. main shaft protector as claimed in claim 2, is characterized in that: the centre bore of described bearing housing (22) and the contact position of main shaft (5) are provided with airtight and watertight padding (29).
5. main shaft protector as claimed in claim 2, it is characterized in that: described spindle flange (6) also connects connecting plate (31), the lower end of protective cover (24) is connected on connecting plate (31) by lower clamping ring (23), and guide rod (25) is provided with nut (27) through after connecting plate (31).
6. main shaft protector as claimed in claim 1, is characterized in that: outer ring connection bearing case (22) of floating bearing (21), and inner ring connects connecting plate (31); The upper end of protective cover (24) is connected on gear frame (1) by upper trim ring (23), and lower end is connected on connecting plate (31) by lower clamping ring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592332.3U CN204973182U (en) | 2015-08-10 | 2015-08-10 | Main shaft protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592332.3U CN204973182U (en) | 2015-08-10 | 2015-08-10 | Main shaft protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204973182U true CN204973182U (en) | 2016-01-20 |
Family
ID=55107602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592332.3U Expired - Fee Related CN204973182U (en) | 2015-08-10 | 2015-08-10 | Main shaft protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204973182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031980A (en) * | 2015-08-10 | 2015-11-11 | 淮北重科矿山机器有限公司 | Main shaft protection device |
-
2015
- 2015-08-10 CN CN201520592332.3U patent/CN204973182U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031980A (en) * | 2015-08-10 | 2015-11-11 | 淮北重科矿山机器有限公司 | Main shaft protection device |
| CN105031980B (en) * | 2015-08-10 | 2016-12-07 | 淮北重科矿山机器有限公司 | Main shaft preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |