CN201151555Y - Chain belt of pig casting machine capable of prolonging service life of roller - Google Patents
Chain belt of pig casting machine capable of prolonging service life of roller Download PDFInfo
- Publication number
- CN201151555Y CN201151555Y CNU2008200763258U CN200820076325U CN201151555Y CN 201151555 Y CN201151555 Y CN 201151555Y CN U2008200763258 U CNU2008200763258 U CN U2008200763258U CN 200820076325 U CN200820076325 U CN 200820076325U CN 201151555 Y CN201151555 Y CN 201151555Y
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- Prior art keywords
- roller
- liners
- rollers
- chain belt
- chain
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Abstract
The utility model relates to an iron casting machine chain belt which is capable of prolonging the service life of rollers and belongs to the technical field of metal casting equipments. The chain belt is used to solve the problem that the service life of common iron casting machine chain belts is short because the inner holes are severely worn. The structure comprises chain links consisting of inner chain plates and outer chain plates, long shafts and short shafts used to connect the chain links, and rollers arranged on both ends of the long shafts; a sliding sleeve is arranged between each long shaft and each roller; after improvement, liners are added in roller holes; the outer diameter of the liners is fitted with the rollers in the interference form; the liners are matched with the sliding sleeves with spacing. In the iron casting machine chain belt, the wear resistant alloy liners are added in the roller inner holes, so that the parts of the rollers which are worn severely are the liners but not the inner holes; the liners are easy to be replaced; the rollers can start to work normally after the liners are replaced; in that way, the wear on the roller inner holes and out of the outer rings is consistent, thereby prolonging the service life of the rollers. The iron casting machine chain belt has simple structure, is easy to be realized, and can obviously reduce the maintenance cost and the maintenance time compared with the prior art.
Description
Technical field
The utility model relates to a kind of load transfer device, particularly utilizes the chain belt of pig machine of chain-driving transferring iron melt, belongs to the metal casting machine technical field.
Background technology
Pig machine is a metallurgy industry iron-smelter molten iron pourer commonly used.A plurality of chain belt pulling motions that the pig mold of molten iron is housed by circulating motion on the pig machine, the molten iron in the pig mold through the cooling of cooling intallation, is frozen into ingot iron in motion process, and chain belt is the important component part of pig machine.Present widely used roller chain belt of pig machine, its main composition partly comprises major axis, minor axis and the roller of pin link plate in chain link, the connecting link, the minor axis in every major axis interval, all be provided with a pair roller on the every major axis, in order to the weight that supports pig mold and cooperate chain belt to realize conveying to pig mold.The chain belt of pig machine of conventional structure is provided with sliding sleeve between its roller and the major axis, is free-running fit between roller endoporus and the sliding sleeve.The chain belt of this structure is in use found: because heavy weight load and abominable service conditions, the roller endoporus not only will bear radial weight and friction of rolling, bear certain responsive to axial force in addition, therefore the roller endoporus is a damageable zone, often damage prior to other position of roller, cause the roller life-span short, and increase productive costs and maintenance time because of often changing roller.
Summary of the invention
The utility model is used to overcome the defective of prior art and provides a kind of by increasing the chain belt of pig machine that overlaps the prolonged roller life-span of avoiding roller endoporus inordinate wear in the roller.
The alleged problem of the utility model is that following technical scheme solves:
A kind of chain belt of pig machine that prolongs the roller life-span, comprise the chain link that constitutes by inside and outside carrier bar, the major axis that connects each chain link, minor axis in the formation and be arranged on the roller at every major axis two ends, be provided with sliding sleeve between major axis and the roller, special feature is: set up interior cover in the roller hole, interior cover external diameter and roller hole interference fit, interior trepanning and sliding sleeve free-running fit.
The above-mentioned chain belt of pig machine that prolongs the roller life-span is provided with locating dowel pin and square key between described interior cover and the roller.
The utility model improves because of the endoporus serious wear causes short problem of life-span at the roller of plain cast iron chain band, set up the interior cover of making by abrasion resistant alloy at the roller endoporus, should fix with the roller endoporus by interior cover, with the sheath free-running fit, through this improvement, the frayed in the course of the work the most serious position of roller is converted to interior cover by endoporus, and interior cover has higher resistance to abrasion on the one hand, be easily to change part on the other hand, can recover the normal operation of roller by cover in changing, can make the unanimity of wearing and tearing outside roller endoporus and the outer ring like this, prolong the service life of roller.The utility model is simple in structure, be easy to realize, compared with prior art can obviously reduce maintenance cost and maintenance time.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is roller structure scheme drawing (not in scale);
Fig. 3 is the left view of Fig. 2.
The label of each parts is expressed as follows in the accompanying drawing: 1. pin link plate; 2. major axis; 3. inner plate; 4. minor axis; 5. roller; 6. interior cover; 7. sliding sleeve; 8. locating dowel pin; 9. square key.
The specific embodiment
Referring to Fig. 1, comprise the chain link that constitutes by inner plate 1, pin link plate 3 in the formation of the utility model chain, each chain link is connected by major axis 2, minor axis 4, two minor axises are set between two major axis, be provided with roller 5 at every major axis two ends, being provided with sliding sleeve 7 between major axis and the minor axis, is free-running fit between sliding sleeve and the major axis, and the sliding sleeve pair roller of holding concurrently plays the axial limiting effect.For reducing the wearing and tearing of roller endoporus, the utility model has been set up an interior cover 6 of being made by abrasion resistant alloy in the roller hole, cover external diameter and roller hole interference fit, interior trepanning and sliding sleeve 7 free-running fits in this.After setting up this interior cover, between cover and the sliding sleeve, the cover roller gets final product normal operation in after the interior cover wearing and tearing are changed, and greatly reduces maintenance cost and maintenance time in the wearing and tearing between roller hole and the sliding sleeve can being transferred to.
Referring to Fig. 2, Fig. 3,, be provided with locating dowel pin 8 and square key 9 between interior cover and the roller for being enclosed within transposition under the powerful torque effect in preventing, two square keys are symmetrical arranged, locating dowel pin certainly, also can adopt in steady nail or other machinery common method to fix between two square keys.
Claims (2)
1. chain belt of pig machine that can prolong the roller life-span, comprise the chain link that constitutes by inside and outside carrier bar, the major axis that connects each chain link, minor axis in the formation and be arranged on the roller at every major axis two ends, be provided with sliding sleeve between major axis and the roller, it is characterized in that: set up interior cover (6) in the roller hole, interior cover external diameter and roller hole interference fit, interior trepanning and sliding sleeve (7) free-running fit.
2. the chain belt of pig machine that prolongs the roller life-span according to claim 1 is characterized in that: be provided with locating dowel pin (8) and square key (9) between cover and the roller in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200763258U CN201151555Y (en) | 2008-02-19 | 2008-02-19 | Chain belt of pig casting machine capable of prolonging service life of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200763258U CN201151555Y (en) | 2008-02-19 | 2008-02-19 | Chain belt of pig casting machine capable of prolonging service life of roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201151555Y true CN201151555Y (en) | 2008-11-19 |
Family
ID=40127234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200763258U Expired - Fee Related CN201151555Y (en) | 2008-02-19 | 2008-02-19 | Chain belt of pig casting machine capable of prolonging service life of roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201151555Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896011A (en) * | 2014-03-04 | 2014-07-02 | 郑州协力建工设备有限公司 | Novel conveyor chain |
-
2008
- 2008-02-19 CN CNU2008200763258U patent/CN201151555Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896011A (en) * | 2014-03-04 | 2014-07-02 | 郑州协力建工设备有限公司 | Novel conveyor chain |
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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: 20081119 Termination date: 20160219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |