CN204054328U - Application support roller is coated with in a kind of ductile iron pipe - Google Patents
Application support roller is coated with in a kind of ductile iron pipe Download PDFInfo
- Publication number
- CN204054328U CN204054328U CN201420486976.XU CN201420486976U CN204054328U CN 204054328 U CN204054328 U CN 204054328U CN 201420486976 U CN201420486976 U CN 201420486976U CN 204054328 U CN204054328 U CN 204054328U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- support roller
- overcoat
- iron pipe
- sleeve
- 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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Abstract
The utility model discloses in a kind of ductile iron pipe and be coated with application support roller, comprise roller bracket (1) and be positioned at the support roller (2) that roller bracket freely rotates, described support roller (2) comprises inner sleeve (3) and is sleeved on the overcoat (4) of inner sleeve (3) outer surface, described overcoat (4) is made up of outer sleeve (4-2) and the rubber layer (4-1) that is fixed on outer sleeve (4-2) outer surface, and described outer sleeve (4-2) is coordinated by key (5) with between inner sleeve (3).By arranging outer sleeve between rubber layer and inner sleeve, rubber layer and inner sleeve reasonably being separated, outer sleeve is coordinated by key with inner sleeve simultaneously, overcoat can be easy to take out separately, instead of whole support roller or inner sleeve are pulled down.Therefore, when rubber layer damage needs repairing, only need simply to pull down overcoat and keep in repair, simple and fast.
Description
Technical field
The utility model relates to painting application support roller in a kind of ductile iron pipe.
Background technology
In ductile iron pipe production process, inwall will apply the certain thickness cement mortar coating of one deck.Coating process normally limits ductile iron pipe by two support roller groups, a press nips, drives ductile iron pipe High Rotation Speed, utilize centrifugal force that cement mortar is attached on ductile iron pipe inner wall by one of them support roller group as driving wheel.Here said support roller group and the support roller of press nips and the structure of pinch roller are identical.Rubber layer due to support roller be entirety be fixed on put in support roller and be non-dismountable, after rubber layer damages, support roller maintenance is extremely inconvenient, is easy to cause support roller to be scrapped when keeping in repair rubber layer; Again, the bearing rotated owing to making support roller is exposed in workshop condition, and bearing is easy to contaminated, causes bearing wear, shortens the service life of bearing.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of easy accessibility, keep in repair the application of the interior painting of ductile iron pipe easily support roller, thus solution is inconvenient to dismantle in maintenance process, the problem of easily scrapping.
There is provided in a kind of ductile iron pipe of long service life simultaneously and be coated with application support roller, thus the problem that solution use procedure middle (center) bearing easily weares and teares.
For solving the problems of the technologies described above, be coated with application support roller in ductile iron pipe of the present utility model comprise roller bracket and be positioned at the support roller that roller bracket freely rotates, described support roller comprises inner sleeve and is sleeved on the overcoat of lining the outer surface of, described overcoat is made up of outer sleeve and the rubber layer being fixed on outer sleeve outer surface, and described outer sleeve is connected by key with between inner sleeve.
?by arranging outer sleeve between rubber layer and inner sleeve, rubber layer and inner sleeve reasonably being separated, outer sleeve is coordinated by key with inner sleeve simultaneously, overcoat can be easy to take out separately, instead of whole support roller or inner sleeve are pulled down.Therefore, when rubber layer damage needs repairing, only need simply to pull down overcoat and keep in repair, simple and fast.
As further improvement of the present utility model, one end of described inner sleeve is provided with the stepped projection of annular, and the other end is provided with the hold-down ring of the annular that can freely dismantle, and described hold-down ring and male cooperation compress overcoat.Hold-down ring structure is utilized to be more convenient for dismounting and the assembling of overcoat; Be provided with the stepped projection of annular in one end of inner sleeve, overcoat just can fix by the parts not recycling other, and structure is more simple, firm.
Improve as another kind of the present utility model, there are two bearings of fixing inner sleeve the centre of described inner sleeve, and described bearing is sealed in the middle confined space of inner sleeve by bearing cap.Utilize bearing cap by space airtight in the middle of inner sleeve for bearing seal, effectively separate with the environment in workshop, avoid the dust in workshop, floating thing etc. and enter the wearing and tearing increasing bearing in bearing, effectively raise the service life of bearing.
Described overcoat is 1-10, and whole overcoat is effectively divided into a few part, advantageously in maintenance by such structure.Change when rubber layer damages time instead of by whole overcoat, can selectively carry out changing or keeping in repair, and other can normally use.
Accompanying drawing explanation
Fig. 1 is the structural representation being coated with application support roller in the first embodiment ductile iron pipe of the utility model;
Fig. 2 is the structural representation being coated with application support roller in the utility model the second embodiment ductile iron pipe;
In figure: 1, roller bracket, 2, support roller, 3, inner sleeve, 4, overcoat, 4-1, rubber layer, 4-2, outer sleeve, 5, key, 6, bearing, 7, supporting-roller shaft, 8, bearing cap, 9, protruding, 10, hold-down ring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment one:
Fig. 1 shows the first embodiment being coated with application support roller in the utility model ductile iron pipe.As shown in Figure 1, whole ductile iron pipe interior painting application support roller comprises roller bracket 1 and support roller 2 forms, and roller bracket 1 fixes support roller 2 by supporting-roller shaft 7 and two bearings 6 be fixed in supporting-roller shaft 7.As shown in Figure 1, be arranged to ladder circular shaft in the middle of supporting-roller shaft 7, square shaft is arranged at two ends and supporting-roller shaft 7 is located by connecting by this square shaft and roller bracket 1.Wherein two bearings 6 are sealed in the confined space in the middle of inner sleeve 3 by the bearing cap 8 at two ends.Adopt this structure that two bearings 6 can be made effectively to separate with extraneous working environment, prevent dust, particle enters in bearing 6 and accelerate its wearing and tearing, thus effectively can improve the service life of bearing 6.As shown in Figure 1, wherein overcoat 4 is made up of outer sleeve 4-2 and the rubber layer 4-1 being fixed on outer sleeve 4-2 outer surface, and described outer sleeve 4-2 has keyway.Inner sleeve 3 outer surface known to Fig. 1 also has keyway, and outer sleeve 4-2 and inner sleeve 3 are connected by the key 5 be embedded in keyway.In the utility model, between rubber layer 4-1 and inner sleeve 3, be provided with outer sleeve 4-2 at overcoat 4, rubber layer 4-1 and inner sleeve 3 are reasonably separated, thus facilitate maintenance when rubber layer 4-1 damages; Coordinated by key between outer sleeve with inner sleeve, structure is simple, easy accessibility simultaneously.
When being coated with the damage of application support roller in ductile iron pipe and needing repairing, this structure is easy to just overcoat 4 to be dismantled and changed.Meanwhile, the right-hand member of inner sleeve 3 is provided with stepped protruding 9 of annular, and the other end is provided with the hold-down ring 10 of the annular that can freely dismantle, and this hold-down ring 10 coordinates with projection 9 and compresses overcoat 4, more convenient and swift.
Embodiment two:
Fig. 2 shows the second embodiment being coated with application support roller in the utility model ductile iron pipe.As shown in Figure 2, be coated with application support roller in whole ductile iron pipe and comprise roller bracket 1 and support roller 2 forms.Roller frame 1 fixes support roller 2 by supporting-roller shaft 7 and two bearings 6 be fixed in supporting-roller shaft 7, and as shown in Figure 2, be arranged to ladder circular shaft in the middle of supporting-roller shaft 7, square shaft is arranged at two ends and supporting-roller shaft 7 is located by connecting by this square shaft and roller bracket 1.Wherein two bearings 6 are sealed in the confined space in the middle of inner sleeve 3 by the bearing cap 8 at two ends.As shown in Figure 2, the interior painting of the ductile iron pipe in the present embodiment application support roller has 3 overcoats, 4,3 overcoats 4 and links together respectively by key 5 and inner sleeve 3, is then fixed by overcoat 4 by the hold-down ring 10 of the projection 9 and left end that are arranged on inner sleeve 3 right-hand member.In the present embodiment, overcoat 4 reasonably be divide into 3 parts, and the dismounting of this 3 part when all namely facilitating maintenance by key 5, can selectively carry out again keeping in repair and change instead of whole overcoat 4 is keeped in repair and changes blindly, cost-saving and maintenance efficiency is high.
It should be noted that, 3 overcoats 4 in the present embodiment are most preferred embodiment, but the utility model is not limited to above-mentioned embodiment.In the ken that those of ordinary skill in the art has, many variations can also be made to it.
Claims (4)
1. be coated with application support roller in a ductile iron pipe, comprise roller bracket (1) and be positioned at the support roller (2) that roller bracket freely rotates, described support roller (2) comprises inner sleeve (3) and is sleeved on the overcoat (4) of inner sleeve (3) outer surface, it is characterized in that: overcoat (4) is made up of outer sleeve (4-2) and the rubber layer (4-1) that is fixed on outer sleeve (4-2) outer surface, and described outer sleeve (4-2) is connected by key (5) with between inner sleeve (3).
2. be coated with application support roller in ductile iron pipe according to claim 1, it is characterized in that: one end of described inner sleeve (3) is provided with the stepped projection (9) of annular, the other end is provided with the hold-down ring (10) of the annular that can freely dismantle, and described hold-down ring (10) coordinates with protruding (9) and compresses overcoat (4).
3. be coated with application support roller in ductile iron pipe according to claim 2, it is characterized in that: there are two bearings (6) of fixing inner sleeve (3) centre of described inner sleeve (3), described bearing (6) is sealed in the middle confined space of inner sleeve (3) by bearing cap (8).
4. be coated with application support roller in ductile iron pipe according to claim 1 and 2, it is characterized in that: described overcoat (4) is 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486976.XU CN204054328U (en) | 2014-08-27 | 2014-08-27 | Application support roller is coated with in a kind of ductile iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486976.XU CN204054328U (en) | 2014-08-27 | 2014-08-27 | Application support roller is coated with in a kind of ductile iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204054328U true CN204054328U (en) | 2014-12-31 |
Family
ID=52195910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486976.XU Expired - Fee Related CN204054328U (en) | 2014-08-27 | 2014-08-27 | Application support roller is coated with in a kind of ductile iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204054328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175396A (en) * | 2014-08-27 | 2014-12-03 | 山东球墨铸铁管有限公司 | Carrier roller for coating of inside of nodular cast iron pipe |
-
2014
- 2014-08-27 CN CN201420486976.XU patent/CN204054328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175396A (en) * | 2014-08-27 | 2014-12-03 | 山东球墨铸铁管有限公司 | Carrier roller for coating of inside of nodular cast iron pipe |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160827 |