CN102562946A - High-performance round-link chain - Google Patents
High-performance round-link chain Download PDFInfo
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- CN102562946A CN102562946A CN2011103953871A CN201110395387A CN102562946A CN 102562946 A CN102562946 A CN 102562946A CN 2011103953871 A CN2011103953871 A CN 2011103953871A CN 201110395387 A CN201110395387 A CN 201110395387A CN 102562946 A CN102562946 A CN 102562946A
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Abstract
The invention discloses a high-performance round-link chain, which consists of metal links connected in series. Each metal link is a long circle and divided into a left half ring and a right half ring, and the left half ring and the right half ring are welded into the metal link for forming the round-link chain. The links are made of low-alloy cast steel materials and mainly comprise components, by percentage, 0.15-0,2% of C(carbon), 1-1.5% of Mn(manganese), 1.2-1.6% of Ni(nickel), 0.8-1.5% of Si (silicon), 0.6-1.2% of Cr(chromium), 0.1-0.3% of Ti(titanium), 0.3-0.6% of Mo(molybdenum), 0.1-0.3% of V(vanadium) and the balance Fe(iron). The round-link chain is made of materials prepared scientifically, reasonable in manufacturing process, moderate in cost, fine in strength and wear resistance, excellent in impact resistance and corrosion resistance, more reliable and safer in use, and adaptable to various complicated and severe hoisting environments.
Description
Technical field
The present invention relates to a kind of hoop chain, relate in particular to the good novel hoop chain of a kind of intensity, wear resistance and corrosion resisting property, belong to the suspender technical field.
Background technique
Suspender is to hang the device of getting goods 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 element important in the suspender; In the suspender running, mainly receive the downward active force that the deadweight of pulling force that the suspender head makes progress and goods and suspender produces; Also there are certain friction and collision between the hoop chain simultaneously; Therefore, hoop chain must possess enough intensity, toughness, wear resistance and impact resistance.If the hoop chain performance deficiencies is easy to accidents causedly, causes damage.
Summary of the invention
To the demand, the invention provides a kind of high-performance hoop chain, this hoop chain composition formulation science, preparation process is easy, and the hoop chain that makes performance performance in use is stable, and working life is lasting, and is safe in utilization, reliable.
The present invention is a kind of high-performance hoop chain; This hoop chain is in series by the metal chain link; Described chain link is oval ring; Be divided into left semi-ring and right semi-ring, this left and right semi-ring forms hoop chain through welding procedure, and described chain link is selected the casting low-alloy steel for use; Its main component and percentage composition thereof are: C 0.15%-0.2%, Mn 1%-1.5%, Ni 1.2%-1.6%, Si 0.8%-1.5%, Cr 0.6%-1.2%, Ti 0.1%-0.3%, Mo 0.3%-0.6%, V 0.1%-0.3%, all the other are Fe.
In the present invention's one preferred embodiment; The main component of described chain link and percentage composition thereof are: C 0.18%-0.2%, Mn 1.3%-1.5%, Ni 1.2%-1.4%, Si 0.8%-1.0%, Cr 0.8%-1.0%, Ti 0.15%-0.25%, Mo 0.3%-0.4%, V 0.2%-0.25%, all the other are Fe.
In the present invention's one preferred embodiment, the left and right semi-ring of described chain link is all through the casting technique moulding, and this casting technique is sand casting process.
In the present invention's one preferred embodiment, also need heat-treat behind the described chain link casting, this process of thermal treatment route is: annealing, quenching and low-temperature tempering.
In the present invention's one preferred embodiment, described low-temperature tempering technology is carried out in salt bath furnace, and the time was controlled at 40-50 minute, to improve the composite alloying of Mo, reduces the temper brittleness of chain link.
In the present invention's one preferred embodiment, the welding procedure that described left and right semi-ring adopted is a pressure welding.
In the present invention's one preferred embodiment, after finishing, described chain loops welded also need carry out stress relief annealing, further stablize the performance and the size of chain link.
The present invention has disclosed a kind of high-performance hoop chain; This hoop chain composition formulation science, the preparation section arrangement is reasonable, and cost is moderate; The hoop chain that makes has good intensity and wear resistance; Simultaneously anti-impact force and corrosion-resistant aspect also show goodly, make the use of hoop chain more reliable, safety, be adapted at using in various complicacies, the abominable handling environment.
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 embodiment of the invention high-performance hoop chain chain link;
The mark of each parts is following in the accompanying drawing: 1, left semi-ring, 2, right semi-ring.
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 embodiment of the invention high-performance hoop chain chain link; This hoop chain is in series by the metal chain link; Described chain link is oval ring; Be divided into left semi-ring 1 and right semi-ring 2, this left and right semi-ring forms hoop chain through welding procedure, and described chain link is selected the casting low-alloy steel for use; Its main component and percentage composition thereof are: C 0.15%-0.2%, Mn 1%-1.5%, Ni 1.2%-1.6%, Si 0.8%-1.5%, Cr 0.6%-1.2%, Ti 0.1%-0.3%, Mo 0.3%-0.6%, V 0.1%-0.3%, all the other are Fe.
The main component and the percentage composition thereof of its chain link of high-performance hoop chain of mentioning among the present invention are: C 0.18%-0.2%, Mn 1.3%-1.5%, Ni 1.2%-1.4%, Si 0.8%-1.0%, Cr 0.8%-1.0%, Ti 0.15%-0.25%, Mo 0.3%-0.4%, V 0.2%-0.25%, all the other are Fe.
The concrete preparation process of this hoop chain is following:
A) casting half chain link, half chain link adopts the sand casting process moulding, and its casting technique mainly comprises: sand mold manufacturing, alloy cast, cooling and shaping and the unpacking type of repairing;
Sand mold adopts machine molding, and the main component of its molding sand is silica sand, active bentonite, clay, nonactive mud and water; Wherein, the medium grain size of silica sand is 0.12-0.14mm, and content is 75%-80%; The content of active bentonite is controlled at 7%-8%; The main component of clay is a sodium bentonite, and its Montmorilionite content is about 60%, and clay content is controlled at 10%-12%; The main component of nonactive mud is dehydration bentonite clay, coal dust particulate and silicon grain, and its overall control is between 2%-3%; Water content must strictly be controlled, and its content is no more than 3.5%;
The quick pouring process of low temperature is adopted in the alloy cast, and this method can effectively reduce the degree of oxidation of alloying element, guarantees the comprehensive mechanical property of chain link, and its poring rate is controlled at 1-1.2m/min, and pouring temperature is controlled at 1580 ℃-1600 ℃;
The cooling and shaping mode of foundry goods is an air cooling, can reduce preparation cost, and be 1-2 hour cool time;
Unpack and repair in the type operation, at first, unpacking taking-up half chain link is also simply cleared up; Then, the end face of double chain link is repaiied type and polishing, and this operation is carried out on universal grinder, is used to improve the welding performance of half chain link, for subsequent operation is prepared;
B) heat treatment half chain link for wear resistance and the impact resistance that improves half chain link, needs that double chain link annealed, quenching and temper; Wherein, annealing process adopts full annealing, and the heating and temperature control of half chain link is at 790 ℃-820 ℃, and holding time is 5-7 hour, the air cooling of coming out of the stove after cooling to the furnace below 550 ℃; Quenching temperature is controlled at 800 ℃-840 ℃, and holding time is 20-25 minute, and the quenching mode is an interrupted quenching, oil quenching after the first shrend; Tempering process adopts low-temperature tempering, and this technology is carried out in salt bath furnace, and half chain link is heated to 220 ℃-250 ℃, and temper time was controlled at 40-50 minute, in order to improve the composite alloying of Mo, reduces the temper brittleness of chain link;
C) UNT-80 high-tensile round-link chain bar flash welding machine is selected in the welding of hoop chain, the welding equipment of hoop chain for use, and this flash welding welding procedure is made up of preheating, flash of light, upset, operation such as keep, stop; Wherein, preheating temperature is controlled at 820 ℃-860 ℃; The forming process that flash of light and two operations of upset are soldered splices, flashing speed is 3-4mm/s, and the maximum value of flashing current is 55kA, and upset speed is controlled at 120-140mm/s, and upsetting force is 110-120MPa; Keeping, stopping then is to improve the necessary operation of welding performance;
D) stress relief annealing; In order to improve and the overall performance and the size of stable hoop chain, the hoop chain after the welding to be carried out stress relief annealing handle, this heat treated heating and temperature control is at 550 ℃-580 ℃; Holding time is 20-30 minute, the air cooling of coming out of the stove after the slow cooling to 150 ℃;
E) Checking of finished products.
The present invention has disclosed a kind of high-performance hoop chain; Be characterized in: this hoop chain composition formulation science, the preparation section arrangement is reasonable, and cost is moderate; The hoop chain that makes has good intensity and wear resistance; Simultaneously anti-impact force and corrosion-resistant aspect also show goodly, make the use of hoop chain more reliable, safety, be adapted at using in various complicacies, the abominable handling environment.
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 (7)
1. high-performance hoop chain; This hoop chain is in series by the metal chain link; It is characterized in that described chain link is oval ring, be divided into left semi-ring and right semi-ring; This left and right semi-ring forms hoop chain through welding procedure; Described chain link is selected the casting low-alloy steel for use, and its main component and percentage composition thereof are: C 0.15%-0.2%, Mn 1%-1.5%, Ni 1.2%-1.6%, Si 0.8%-1.5%, Cr 0.6%-1.2%, Ti 0.1%-0.3%, Mo 0.3%-0.6%, V 0.1%-0.3%, all the other are Fe.
2. high-performance hoop chain according to claim 1; It is characterized in that; The main component of described chain link and percentage composition thereof are: C 0.18%-0.2%, Mn 1.3%-1.5%, Ni 1.2%-1.4%, Si 0.8%-1.0%, Cr 0.8%-1.0%, Ti 0.15%-0.25%, Mo 0.3%-0.4%, V 0.2%-0.25%, all the other are Fe.
3. high-performance hoop chain according to claim 2 is characterized in that, the left and right semi-ring of described chain link is all through the casting technique moulding, and this casting technique is sand casting process.
4. high-performance hoop chain according to claim 3 is characterized in that, also need heat-treat behind the described chain link casting, and this process of thermal treatment route is: annealing, quenching and low-temperature tempering.
5. high-performance hoop chain according to claim 4 is characterized in that, described low-temperature tempering technology is carried out in salt bath furnace, and the time was controlled at 40-50 minute, to improve the composite alloying of Mo, reduces the temper brittleness of chain link.
6. high-performance hoop chain according to claim 1 is characterized in that the welding procedure that described left and right semi-ring adopted is a pressure welding.
7. high-performance hoop chain according to claim 6 is characterized in that, also need carry out stress relief annealing after described chain loops welded finishes, and further stablizes the performance and the size of chain link.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103953871A CN102562946A (en) | 2011-12-03 | 2011-12-03 | High-performance round-link chain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103953871A CN102562946A (en) | 2011-12-03 | 2011-12-03 | High-performance round-link chain |
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| CN102562946A true CN102562946A (en) | 2012-07-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381337A (en) * | 2017-09-22 | 2017-11-24 | 张家港沙工科技服务有限公司 | A kind of crane suspension hook |
| CN108223695A (en) * | 2017-12-27 | 2018-06-29 | 山东华源索具有限公司 | High intensity forging side chain and preparation method thereof |
| CN108239689A (en) * | 2018-01-08 | 2018-07-03 | 河钢股份有限公司 | Improve the process for quenching of high-strength mining ring chain steel through hardening performance |
| CN111687605A (en) * | 2020-06-22 | 2020-09-22 | 四川华都核设备制造有限公司 | Preparation method of connecting ring chain for control rod system and connecting ring chain |
| CN114075620A (en) * | 2021-10-12 | 2022-02-22 | 包头钢铁（集团）有限责任公司 | Method for solving tempering brittleness of round-link chain |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0042283A1 (en) * | 1980-06-16 | 1981-12-23 | Dominion Chain Inc | A chain link |
| GB2136717A (en) * | 1983-03-03 | 1984-09-26 | Crown Foundry Co Ltd The | Casting chain |
| CN1818118A (en) * | 2006-03-07 | 2006-08-16 | 河北工业大学 | Steel for circular ring chains for mineral purpose |
| CN101918159A (en) * | 2007-12-20 | 2010-12-15 | 佩瓦格奥地利有限公司 | Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
-
2011
- 2011-12-03 CN CN2011103953871A patent/CN102562946A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0042283A1 (en) * | 1980-06-16 | 1981-12-23 | Dominion Chain Inc | A chain link |
| GB2136717A (en) * | 1983-03-03 | 1984-09-26 | Crown Foundry Co Ltd The | Casting chain |
| CN1818118A (en) * | 2006-03-07 | 2006-08-16 | 河北工业大学 | Steel for circular ring chains for mineral purpose |
| CN101918159A (en) * | 2007-12-20 | 2010-12-15 | 佩瓦格奥地利有限公司 | Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381337A (en) * | 2017-09-22 | 2017-11-24 | 张家港沙工科技服务有限公司 | A kind of crane suspension hook |
| CN108223695A (en) * | 2017-12-27 | 2018-06-29 | 山东华源索具有限公司 | High intensity forging side chain and preparation method thereof |
| CN108239689A (en) * | 2018-01-08 | 2018-07-03 | 河钢股份有限公司 | Improve the process for quenching of high-strength mining ring chain steel through hardening performance |
| CN111687605A (en) * | 2020-06-22 | 2020-09-22 | 四川华都核设备制造有限公司 | Preparation method of connecting ring chain for control rod system and connecting ring chain |
| CN111687605B (en) * | 2020-06-22 | 2021-09-07 | 四川华都核设备制造有限公司 | Preparation method of connecting ring chain for control rod system and connecting ring chain |
| CN114075620A (en) * | 2021-10-12 | 2022-02-22 | 包头钢铁（集团）有限责任公司 | Method for solving tempering brittleness of round-link chain |
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Application publication date: 20120711 |