CN102562947A - Novel round-link chain - Google Patents
Novel round-link chain Download PDFInfo
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- CN102562947A CN102562947A CN2011103953886A CN201110395388A CN102562947A CN 102562947 A CN102562947 A CN 102562947A CN 2011103953886 A CN2011103953886 A CN 2011103953886A CN 201110395388 A CN201110395388 A CN 201110395388A CN 102562947 A CN102562947 A CN 102562947A
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- chain
- link chain
- arcuate segment
- round
- hoop chain
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Abstract
The invention discloses a novel round-link chain. Each link of the round-link chain is a long circle which consists of two arc sections and two cylindrical sections connected circularly. The arc sections are portions contacting with adjacent links actually and bear friction force, tension force and torsion, the cylindrical sections mainly bear tension force, and a plane boss structure is arranged on the inner side of each arc section. The novel round-link chain is reasonable and scientific in structure and excellent in comprehensive mechanical property. The plane boss structures designed on the inner sides of the arc sections are capable of relieving stress concentrated at the corners of the links of the round-link chain effectively and reducing property of deforming and cracking of the links, so that the service life of the round-link chain is prolonged, production process of the round-link chain can be more smooth and effective, cargos can be hoisted more safely and reliably, and personal safety of working staff can be guaranteed.
Description
Technical field
The present invention relates to a kind of hoop chain, relate in particular to lasting novel hoop chain of a kind of good mechanical performance, working life, belong to the suspender technical field.
Background technique
Suspender is to hang the device of getting weight in the Hoisting Machinery, and hanging and getting the most frequently used suspender of member article is suspension hook, and relative accessory has suspension ring, hoisting suction cup, clamp and pallet fork etc.Wherein, hoisting suction cup, clamp and pallet fork are used on hoist, can be used as special hanger and use for a long time, also can be used as auxiliary suspender and hang over use temporarily on the suspension hook, to improve operating efficiency.The suspender that grasps bulk material is generally jaw grab bucket to be opened/closed, and also available electromagnetic chuck is drawn like magnetic conductivity materials such as metal chips; Hang the suspender of getting flowable materials commonly used the bucket of Sheng and cage are arranged, generally through canting or take out mode such as bottom plug and draw off molten steel or chemical solution, draw off flowable materials such as concrete through opening the cage bottom door.
Hoop chain is a constituent elements important in the suspender, mainly plays connecting shackle and goods, receives pulling force and goods and the downward active force of deadweight that suspension hook makes progress; Simultaneously; Mostly hoop chain is heeling condition also to have certain frictional force between the chain link each other, therefore when work; The stressed comparatively complicacy of hoop chain, working life and performance are restricted.In case hoop chain deforms or ruptures, the normal allocation and transportation that influence goods that will strengthen, even beyond thought accident appears.
Summary of the invention
To the demand, the invention provides a kind of novel hoop chain, this hoop chain chain link structural design is unique; The plane boss structure of the inboard design of its arc section; Effective relieve stresses concentration phenomenon improves the usability of hoop chain, makes the allocation and transportation of goods safer, reliable.
The present invention is a kind of novel hoop chain; The chain link of this hoop chain is an oblong body; Described oblong body is formed by connecting two groups of arcuate segments and cylindrical portion annular, and described arcuate segment is a contiguous links actual contact part, mainly bears frictional force, pulling force and torsion; Described cylindrical portion is mainly born pulling force, the inboard design of described arcuate segment one plane boss structure.
In the present invention's one preferred embodiment, the plane boss structure on the described arcuate segment is through the casting technique moulding, and its edge designs becomes fillet structure.
In the present invention's one preferred embodiment, the height of described plane boss is about 1/6 of arcuate segment longitudinal thickness, and its area accounts for the long-pending 20%-25% of arcuate segment lateral cross section.
In the present invention's one preferred embodiment; Described plane boss structure has effectively increased the work area of contact of contiguous links; Help alleviating the arcuate segment stress concentration phenomenon around the corner of hoop chain chain link; Improve the working life of hoop chain, this structure can make increase more than 20% the working life of hoop chain.
The present invention has disclosed a kind of novel hoop chain, this hoop chain chain link reasonable in design, science, and comprehensive mechanical property is good; The plane boss structure of the inboard design of its arc section can effectively be alleviated the stress concentration phenomenon of hoop chain chain link corner, reduces the probability that chain link deforms and ftractures; Improved the working life of hoop chain; Make production process more smooth, efficient, and what is more important make the allocation and transportation of goods safer, reliable, guarantees staff's personal safety.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is the structural representation of the novel hoop chain of the embodiment of the invention;
The mark of each parts is following in the accompanying drawing: 1, arcuate segment, 2, cylindrical portion, 3, the plane boss, 4, fillet.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Fig. 1 is the structural representation of the novel hoop chain of the embodiment of the invention; The chain link of this hoop chain is an oblong body; Described oblong body is formed by connecting two groups of arcuate segments 1 and cylindrical portion 2 annulars; Described arcuate segment 1 is a contiguous links actual contact part; Mainly bear frictional force, pulling force and torsion, described cylindrical portion 2 is mainly born pulling force, the inboard design of described arcuate segment one plane boss 3 structures.
Plane boss 3 structures on the novel hoop chain arcuate segment of mentioning among the present invention 1 are through the casting technique moulding, and its edge designs becomes fillet 4 structures; The height of plane boss 3 is about 1/6 of arcuate segment 1 longitudinal thickness, and its area accounts for the long-pending 20%-25% of arcuate segment 1 lateral cross section; Boss 3 structures in plane have effectively increased the work area of contact of contiguous links, help alleviating hoop chain arcuate segment 1 stress concentration phenomenon around the corner, improve the working life of hoop chain, and this structure can make increase more than 20% the working life of hoop chain.
These preparation method's concrete steps are following:
A) forge half chain link, the Forging Technology master operation is: gropping of forging billet, forging stock heating, die-forging forming, side cut, rectification and cooling; Wherein, hot forging equipment is selected screw press for use, and tonnage is 2000-2500KN, and the forging molding time is short, and efficient is high, can realize the single-piece production in enormous quantities; The initial forging temperature of forging stock is controlled at 1150 ℃-1180 ℃, and final forging temperature is controlled at 820 ℃-850 ℃, and forging ratio is 3-3.5; The type of cooling is the air cooling of coming out of the stove after cooling to 450 ℃ with the furnace;
B) strengthen cleaning, half chain link of forging molding also need carry out modified and shot blast; Wherein, quenching with Subsequent tempering improves welding performance in order to eliminate forging stress, and tempering temperature is controlled at 550 ℃-580 ℃, and temper time is 1-2 hour; Shot blast can be strengthened half chain link surface strength and wear resistance, reduces fatigue, improves working life; In the shot blast implementation process, the bullet diameter is 0.7-0.8nm, and hardness is 55HRC; Speed is 45m/s, and this processing can effectively improve for half chain link working life more than 30%; Cleaning process mainly is to remove the scale of half chain ring surface, improves its surface quality;
C) chain loops welded, the welding procedure that chain link adopted are the group flashing light weldering, need carry out The pre-heat treatment before this process implementing, and preheating temperature is about 1350 ℃-1400 ℃; Group flashing light and upset operation implementation process are: at first, closed primary circuit slightly contacts two chain link end faces, in the gap of end face, promptly ejects molten metal particulate as the spark; Then, mobile chain link makes both ends of the surface still keep slight contact, forms group flashing light; At last, when flash of light reaches the scheduled time, when two chain link ends nearly are heated to fusing point; Just carry out upset rapidly with certain pressure, when upset is cut off the electricity supply behind certain-length, the technology of welding chain link is promptly accused and is finished; Temperature is 1350 ° of C before the upset, about 1050 ℃ of-1100 ° of C of postwelding temperature;
D) burr are handled, and after the chain loops welded finishes, use the removal of hydraulic pressure deburring device to make and are soldered on the chain circumferential weld because the burr that extruding is produced improves the chain link surface quality;
E) ageing treatment is placed on the oil sealing of finished product chain link and left standstill under the normal temperature 5-8 hour, further stablizes the chain ring size, improves its usability.
The present invention has disclosed a kind of high novel hoop chain; Be characterized in: this hoop chain chain link reasonable in design, science, comprehensive mechanical property is good, the plane boss structure of the inboard design of its arc section; Can effectively alleviate the stress concentration phenomenon of hoop chain chain link corner; Reduce the probability that chain link deforms and ftractures, in the working life of having improved hoop chain, make production process more smooth, efficient; And what is more important makes the allocation and transportation of goods safer, reliable, guarantees staff's personal safety.
The above; Be merely embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (4)
1. novel hoop chain; The chain link of this hoop chain is an oblong body, it is characterized in that, described oblong body is formed by connecting two groups of arcuate segments and cylindrical portion annular; Described arcuate segment is a contiguous links actual contact part; Mainly bear frictional force, pulling force and torsion, described cylindrical portion is mainly born pulling force, the inboard design of described arcuate segment one plane boss structure.
2. novel hoop chain according to claim 1 is characterized in that, the plane boss structure on the described arcuate segment is through the casting technique moulding, and its edge designs becomes fillet structure.
3. novel hoop chain according to claim 2 is characterized in that, the height of described plane boss is about 1/6 of arcuate segment longitudinal thickness, and its area accounts for the long-pending 20%-25% of arcuate segment lateral cross section.
4. novel hoop chain according to claim 2; It is characterized in that; Described plane boss structure has effectively increased the work area of contact of contiguous links; Help alleviating the arcuate segment stress concentration phenomenon around the corner of hoop chain chain link, improve the working life of hoop chain, this structure can make increase more than 20% the working life of hoop chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103953886A CN102562947A (en) | 2011-12-03 | 2011-12-03 | Novel round-link chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103953886A CN102562947A (en) | 2011-12-03 | 2011-12-03 | Novel round-link chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102562947A true CN102562947A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103953886A Pending CN102562947A (en) | 2011-12-03 | 2011-12-03 | Novel round-link chain |
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| CN (1) | CN102562947A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2114262A (en) * | 1982-02-02 | 1983-08-17 | Weissenfels Spa | Chain link for safety chain |
| DE3520363A1 (en) * | 1985-06-07 | 1986-12-11 | Fa. August Thiele, 5860 Iserlohn | Securing chain, in particular for securing bicycles, motorcycles or the like |
| CN1537204A (en) * | 2001-03-23 | 2004-10-13 | �������ɭ | Chaines |
| CN101839306A (en) * | 2009-03-19 | 2010-09-22 | 赵珂 | Round-link chain assembled with anti-wear device |
| EP2258566A1 (en) * | 2009-06-03 | 2010-12-08 | Pewag Schneeketten GMBH & Co KG | Chain link for an anti-skid chain |
-
2011
- 2011-12-03 CN CN2011103953886A patent/CN102562947A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2114262A (en) * | 1982-02-02 | 1983-08-17 | Weissenfels Spa | Chain link for safety chain |
| DE3520363A1 (en) * | 1985-06-07 | 1986-12-11 | Fa. August Thiele, 5860 Iserlohn | Securing chain, in particular for securing bicycles, motorcycles or the like |
| CN1537204A (en) * | 2001-03-23 | 2004-10-13 | �������ɭ | Chaines |
| CN101839306A (en) * | 2009-03-19 | 2010-09-22 | 赵珂 | Round-link chain assembled with anti-wear device |
| EP2258566A1 (en) * | 2009-06-03 | 2010-12-08 | Pewag Schneeketten GMBH & Co KG | Chain link for an anti-skid chain |
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Application publication date: 20120711 |