CN203900106U - Carrier roller for roller centering device - Google Patents
Carrier roller for roller centering device Download PDFInfo
- Publication number
- CN203900106U CN203900106U CN201420275081.1U CN201420275081U CN203900106U CN 203900106 U CN203900106 U CN 203900106U CN 201420275081 U CN201420275081 U CN 201420275081U CN 203900106 U CN203900106 U CN 203900106U
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- CN
- China
- Prior art keywords
- protective sleeve
- end plate
- shaft part
- carrying roller
- roller
- 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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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model provides a carrier roller for a roller centering device. The carrier roller for the roller centering device is used for centering of a roller key and a sliding bearing key groove and supporting of a roller in the roller assembly process. The carrier roller comprises a connecting shaft, protective jackets, a first end plate and a second end plate, wherein the protective jackets are of an annular structure and detachably installed on the connecting shaft in a sleeved mode; the first end plate is of an annular structure and installed and fixed to the connecting shaft in a sleeved mode; the second end plate is of an annular structure and detachably installed on the connecting shaft in a sleeved mode; the protective jackets are located between the first end plate and the second end plate; the outer diameter of the first end plate and the outer diameter of the second end plate are larger than the inner diameter of the protective jackets and smaller than the outer diameter of the protective jackets; the first end plate and the protective jackets are detachably connected with the second end plate. The carrier roller is simple in structure, surface defects of the carrier roller can be effectively avoided, working sites can be replaced, operation is flexible and convenient, and cost of spare parts is reduced.
Description
Technical field
The utility model relates to the carrying roller field for roll, specifically, relates to a kind of carrying roller of roll centralising device.
Background technology
In roll assembling process, in order to realize the centering of roll key and sliding bearing keyway, need to use centralising device, this centralising device comprises four identical carrying rollers.In four carrying rollers, wherein two carrying rollers are connected with power set, form and drive carrying roller, the passive carrying roller that all the other two carrying rollers are unpowered device.In assembling process, by driving carrying roller to drive roll and passive carrying roller rotation (can be forward and reverse), thus the centering of realizing roll key and sliding bearing keyway, meanwhile, in assembling process, carrying roller has the effect of back-up roll.
In the prior art; as shown in FIG. 1A and 1B; after the carrying roller surface of consideration centralising device contacts with roller surface; can not produce roll marks at roller surface, wipe scuffing or collide the defect causing; therefore increase with respect to the softer material 100 of the material of roller surface and form protective sleeve, the MC-nylon of for example easily processing and purchasing on the surface of carrying roller 200.Even if roll bumps in the time of lifting, its defect only can be reflected on carrying roller, and roller surface can not produce any defect, and breaker roll surface plays a protective role.In the time of the carrying roller of design centralising device, be chosen on connecting axle and carry out heat casting, protective sleeve and key are formed as one, then carrying roller is carried out to machine-shaping.When existing carrying roller work, mainly there is following problem:
(1) carrying roller bears weight and the revolving force (moment of torsion) of roll, but because MC-nylon can not bear larger revolving force, causes the key of protective sleeve in the fracture of keyway place, and connecting axle and protective sleeve are thrown off, and cannot continue to use;
(2) existing carrying roller just realize by the frictional force between bi-material fixing, can not axial location, in the time of work, easily move axially fracture and damage that acceleration protection overlaps;
(3) after protective sleeve damages, because design technology be heat casting, can not field repair, rehabilitation cost is high, large on the impact of production.
Therefore,, for solving carrying roller defect and the restriction factor of production of centralising device, need to redesign the carrying roller for the centralising device of roll assembling process.
Utility model content
It is a kind of simple in structure and be easy to the carrying roller for roll centralising device of repairing that the purpose of this utility model is to provide.
One side of the present utility model provides a kind of carrying roller for roll centralising device, and described carrying roller comprises: connecting axle; Protective sleeve, has loop configuration, is set with and is removably disposed on connecting axle; The first end plate, has loop configuration, is sleeved on connecting axle and fixes; The second end plate, has loop configuration, is set with and is removably mounted on connecting axle; Wherein, protective sleeve is between the first end plate and the second end plate, and the external diameter of the first end plate and the second end plate is greater than respectively the internal diameter of protective sleeve and is less than the external diameter of protective sleeve, and the first end plate is removably connected with the second end plate with protective sleeve.
Further, described connecting axle comprises the first shaft part, the second shaft part and the 3rd shaft part successively, and the diameter of described the second shaft part is greater than the diameter of the first shaft part and the diameter of the 3rd shaft part.
Further, described carrying roller also comprises key, on described the second shaft part and protective sleeve, has respectively corresponding keyway, by described key, the second shaft part is connected with protective sleeve.
Further, described protective sleeve comprises multiple protective sleeves.
Further; described protective sleeve comprises identical the first protective sleeve, the second protective sleeve and the 3rd protective sleeve of external diameter being sleeved on successively on the second shaft part; wherein; the first protective sleeve and the 3rd protective sleeve are all offered circular groove towards the end of the second shaft part both sides; and; the first end plate is arranged in the groove of the first protective sleeve, and the second end plate is arranged in the groove of the 3rd protective sleeve.
Further, described the first end plate is arranged on the first shaft part or the second shaft part; The second end plate is arranged on the second shaft part or the 3rd shaft part.
Further, described the first end plate and connecting axle are welded and fixed.
Further, described protective sleeve is formed by MC-nylon.
Further, described key arrives connecting axle by screw fastening.
Of the present utility model simple and reliable for structure, can effectively avoid roll marks, wipe scuffing and collide the roller surface defect causing, and can process in advance some protective sleeves; be convenient to change at the construction field (site); have higher reparation, connecting axle reusable edible, effectively reduces spare part expense.
Brief description of the drawings
Figure 1A is the perspective view of the carrying roller of schematically illustrated centralising device of the prior art;
Figure 1B is the perspective view of the connecting axle in the carrying roller of schematically illustrated centralising device of the prior art;
Fig. 2 is schematically illustrated according to the decomposition diagram of the carrying roller of the centralising device of exemplary embodiment;
Fig. 3 is schematically illustrated according to the partial sectional view of the connecting axle of the carrying roller of the centralising device of exemplary embodiment;
Fig. 4 is the perspective view after the schematically illustrated assembling of the carrying roller according to the centralising device of exemplary embodiment.
Detailed description of the invention
For further setting forth the utility model, below in conjunction with drawings and Examples, the detailed description of the invention according to the carrying roller for roll centralising device the utility model proposes is elaborated.
Fig. 2 is schematically illustrated according to the decomposition diagram of the carrying roller of the centralising device of exemplary embodiment; Fig. 3 is schematically illustrated according to the partial sectional view of the connecting axle of the carrying roller of the centralising device of exemplary embodiment; Fig. 4 is schematically illustrated according to the perspective view of the carrying roller of the centralising device of exemplary embodiment.
With reference to Fig. 2 and Fig. 3, comprise according to the carrying roller of the centralising device of an embodiment of the present utility model: connecting axle 1, the first end plate 2, the second end plate 3, protective sleeve, key 7 and bolt 8.Wherein, protective sleeve selects hardness to be less than the material of roll hardness, is preferably MC-nylon.Connecting axle 1 comprises that the diameter of the first shaft part 11, the second shaft part 12 and the 3rd shaft part 13, the second shaft parts 12 is greater than the diameter of the first shaft part 11 and the 3rd shaft part 13, is processed with the keyway that can hold key 7 on the second shaft part 12.Protective sleeve can be formed as parts, but in the present embodiment, protective sleeve comprises the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6.Wherein, the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6 are for to have the loop configuration of same outer diameter and to be sleeved on the second shaft part 12.Preferably; the internal diameter of the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6 is all roughly the same with the diameter of the second shaft part 12; on the circumference of each of the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6, processing is in uniform way for multiple through holes of being connected respectively, and the position of through hole on the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6 corresponds to each other.For fixation and stressed even, along the circumferential direction uniform four through holes.Corresponding position at the first protective sleeve 4, the second protective sleeve 5 and the 3rd protective sleeve 6 is provided with one or more keyway that holds key 7.For fixation and stressed even, along the circumferential direction uniform two keyways.
Similarly, the first end plate 2 and the second end plate 3 can be set in the both sides of the protective sleeve on the second shaft part 12, and the first end plate 2 fixing (for example, welding) is on the second shaft part 12.The first end plate 2 has with the second end plate 3 loop configuration that structure is identical; the external diameter of the first end plate 2 and the second end plate 3 is less than the external diameter of the first protective sleeve 4, the second protective sleeve 5, the 3rd protective sleeve 6, but is greater than the internal diameter of the first protective sleeve 4, the second protective sleeve 5, the 3rd protective sleeve 6.The circumferencial direction of the first end plate 2 and the second end plate 3 is uniform multiple through holes respectively; make in the time that the first end plate 2, the first protective sleeve 4, the second protective sleeve 5, the 3rd protective sleeve 6 and the second end plate 3 are arranged on connecting axle successively; can respectively above-mentioned parts be connected on connecting axle 1 by key 7; and multiple bolts 8 can, successively through the through hole of above-mentioned parts, be fixed by nut at opposite side.Therefore,, after the assembling of carrying roller completes, the first end plate 2, the first protective sleeve 4, the second protective sleeve 5, the 3rd protective sleeve 6 can rotate with the second end plate 3 together with connecting axle.In addition,, due to the use of the first end plate 2 and the second end plate 3, realized the axial restraint of protective sleeve.
Further; the end in the outside towards the second shaft part 12 of the first protective sleeve 4 and the 3rd protective sleeve 6 all has circular groove; the first end plate 2 and the second end plate 3 can be embedded in respectively in groove; thereby in the time that the first end plate 2 and the second end plate 3 are formed by materials such as steel, can not cause damage by breaker roll.
With reference to the accompanying drawings 3 and Fig. 4, introduce according to the assembling process of the carrying roller of the centralising device of an embodiment of the present utility model in detail.
First, the first end plate 2 is welded on the second shaft part 12 of connecting axle 1, near the position of the first shaft part 11, make one end radially of the first end plate 2 and a side of keyway substantially flush, and the other end radially of the first end plate 2 and the end of the second shaft part 12 are substantially flush, then, key 7 is fixed in the keyway of connecting axle 1 by screw-nut.Then; the keyway of the first protective sleeve 4 is rotated to be corresponding with key 7; the first protective sleeve 4 is sleeved on connecting axle; make the first end plate 2 be positioned at the groove of a side of the first protective sleeve 4; further; the keyway of the second protective sleeve 5 is rotated to be corresponding with key 7, two the second protective sleeves 5 are sleeved on connecting axle, make the reeded side close contact of not having of two the second protective sleeves 5 and the first protective sleeve 4.At the opposite side of the second protective sleeve 5, the 3rd protective sleeve 6 is set, makes the keyway of the 3rd protective sleeve 6 corresponding with key 7, and the reeded side that do not have of the 3rd protective sleeve 6 contacts with the second protective sleeve 5.The second end plate 3 is arranged on the second shaft part 12, makes the first end plate 2 be positioned at the groove of the 3rd protective sleeve 6.Pass successively the second end plate 3, the 3rd protective sleeve 6, the second protective sleeve 5, the first protective sleeve 4 and the first end plate 2 by bolt 8; then fix with nut at the opposite side of the first end plate 2, thereby protective sleeve is completely fixed along the axis direction of connecting axle 1 by the first end plate and the second end plate.In the present embodiment, according to the length of axle, select two the second protective sleeves 5.In actual applications, can determine whether as the case may be choice for use the second protective sleeve, and determine the quantity of the second protective sleeve 5.By such structure, prevent the axially-movable of the protective sleeve in work on connecting axle 1, reduce thus the destroyed probability of protective sleeve, reduce cost.
According to the assembling form of above-described protective sleeve and connecting axle, the keyway place fracture that modal damage mode is protective sleeve.Occurring when fracture, only need again process protective sleeve, then take off the second end plate 3 screwing bolts and change the first protective sleeve 4, the second protective sleeve 5 or the 3rd protective sleeve 6 of damage, just can complete easily repair.This structure dismounting is simple, easy for installation.Because protective sleeve is short process time, and can process in advance several protective sleeves, therefore, change the operation of protective sleeve and can carry out at the construction field (site), it is convenient to change, and can not affect to produce to carry out.
In addition, the second end plate 3 can be formed as different from the structure of the first end plate 2, and for example, the second end plate 3 is formed as annular, and the diameter of the 3rd shaft part 13 of the diameter in its hole and connecting axle is suitable.In this case, the 3rd protective sleeve 6 can be mounted to make the basal surface of its groove and the end surfaces of the second shaft part 12 substantially flush, like this, the second end plate 3 just can be fixed in the groove of the 3rd protective sleeve 6.Then, be threaded onto on the 3rd protective sleeve 6 or by the second end plate 3 and be threaded onto on the second shaft part 12 by bolt 8, also can realize the axial restraint of protective sleeve.
In the above embodiments, although described the first end plate 2 and be welded on the end of the second shaft part 12, the utility model is not limited to this, similar with the second end plate 3, and the first end plate 2 also can be fixedly mounted on the first shaft part 11.
Or; in the time that the external diameter of the first end plate 2 and the second end plate 3 is greater than the internal diameter of the second protective sleeve 5 and is less than the external diameter of the second protective sleeve 5; can only use some the second protective sleeves 5; and do not use the first protective sleeve 4 and the 3rd protective sleeve 6; by the second end plate 3 and the second protective sleeve 5 are threaded onto on the first fixing end plate 2, also can realize the axial restraint of protective sleeve.
Of the present utility model simple and reliable for structure, can effectively avoid roll marks, wipe scuffing and collide the roller surface defect causing, and can process in advance some protective sleeves; be convenient to change at the construction field (site); have higher reparation, connecting axle reusable edible, effectively reduces spare part expense.
The above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; those skilled in the art should understand that; limit the principle of the present utility model and spirit of its scope in the case of not departing from by claim and equivalent thereof; can modify and perfect to these embodiment, these amendments and improve also should be in protection domain of the present utility model.
Claims (9)
1. for a carrying roller for roll centralising device, it is characterized in that, described carrying roller comprises:
Connecting axle;
Protective sleeve, has loop configuration, is set with and is removably disposed on connecting axle;
The first end plate, has loop configuration, is sleeved on connecting axle and fixes;
The second end plate, has loop configuration, is set with and is removably mounted on connecting axle;
Wherein, protective sleeve is between the first end plate and the second end plate, and the external diameter of the first end plate and the second end plate is greater than respectively the internal diameter of protective sleeve and is less than the external diameter of protective sleeve, and the first end plate is removably connected with the second end plate with protective sleeve.
2. carrying roller as claimed in claim 1, is characterized in that, described connecting axle comprises the first shaft part, the second shaft part and the 3rd shaft part successively, and the diameter of described the second shaft part is greater than the diameter of the first shaft part and the diameter of the 3rd shaft part.
3. carrying roller as claimed in claim 2, is characterized in that, described carrying roller also comprises key, on described the second shaft part and protective sleeve, has respectively corresponding keyway, by described key, the second shaft part is connected with protective sleeve.
4. carrying roller as claimed in claim 1, is characterized in that, described protective sleeve comprises multiple protective sleeves.
5. carrying roller as claimed in claim 2; it is characterized in that; described protective sleeve comprises identical the first protective sleeve, the second protective sleeve and the 3rd protective sleeve of external diameter being sleeved on successively on the second shaft part; wherein; the first protective sleeve and the 3rd protective sleeve are all offered circular groove towards the end of the second shaft part both sides; and the first end plate is arranged in the groove of the first protective sleeve, the second end plate is arranged in the groove of the 3rd protective sleeve.
6. carrying roller as claimed in claim 2, is characterized in that, described the first end plate is arranged on the first shaft part or the second shaft part; The second end plate is arranged on the second shaft part or the 3rd shaft part.
7. carrying roller as claimed in claim 6, is characterized in that, described the first end plate and connecting axle are welded and fixed.
8. carrying roller as claimed in claim 1, is characterized in that, described protective sleeve is formed by MC-nylon.
9. carrying roller as claimed in claim 3, is characterized in that, described key arrives connecting axle by screw fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275081.1U CN203900106U (en) | 2014-05-27 | 2014-05-27 | Carrier roller for roller centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275081.1U CN203900106U (en) | 2014-05-27 | 2014-05-27 | Carrier roller for roller centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900106U true CN203900106U (en) | 2014-10-29 |
Family
ID=51774397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420275081.1U Expired - Fee Related CN203900106U (en) | 2014-05-27 | 2014-05-27 | Carrier roller for roller centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900106U (en) |
-
2014
- 2014-05-27 CN CN201420275081.1U patent/CN203900106U/en not_active Expired - Fee Related
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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: 20141029 Termination date: 20170527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |