CN104525585A - Looper - Google Patents

Looper Download PDF

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Publication number
CN104525585A
CN104525585A CN201410802242.2A CN201410802242A CN104525585A CN 104525585 A CN104525585 A CN 104525585A CN 201410802242 A CN201410802242 A CN 201410802242A CN 104525585 A CN104525585 A CN 104525585A
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CN
China
Prior art keywords
loop
rising roll
pivot arm
rotatable pivot
shaft 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.)
Granted
Application number
CN201410802242.2A
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Chinese (zh)
Other versions
CN104525585B (en
Inventor
赵瑞明
王军新
张凯
宁勇
武剑
杨兆银
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Group Co Ltd SISG
Original Assignee
Shandong Iron and Steel Group Co Ltd SISG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Iron and Steel Group Co Ltd SISG filed Critical Shandong Iron and Steel Group Co Ltd SISG
Priority to CN201410802242.2A priority Critical patent/CN104525585B/en
Publication of CN104525585A publication Critical patent/CN104525585A/en
Application granted granted Critical
Publication of CN104525585B publication Critical patent/CN104525585B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a looper. The looper comprises a frame, a loop-rising roll, a loop-rising roll shaft, a loop-rising roll shaft sleeve, a rotating arm, a rotating arm fulcrum shaft, a rotating arm supporting point shaft sleeve and air cylinders. The loop-rising roll shaft is arranged on the rotating arm through the loop-rising roll shaft sleeve, the loop-rising roll is arranged at one end of the loop-rising roll shaft, and the loop-rising roll shaft sleeve is arranged at the other end of the loop-rising roll shaft. The rotating arm fulcrum shaft is arranged on the frame, and the rotating arm fulcrum shaft sleeve is arranged on the rotating arm fulcrum shaft. The rotating arm is connected between the loop-rising roll shaft sleeve and the rotating arm fulcrum shaft sleeve, and the free ends of the air cylinders are connected to the middle of the rotating arm so that the rotating arm and the loop-rising roll shaft sleeve can be driven to rotate with the rotating arm fulcrum shaft being the fulcrum, wherein the loop-rising roll sleeve is fixed to the loop-rising roll shaft through a fastening part. The looper is easy to disassemble and assemble and convenient to maintain, and the service life of the looper is prolonged to a great degree.

Description

Looper
Technical field
The present invention relates to steel rolling equipment technical field, specifically, the present invention be more particularly directed to a kind of looper produced for wire and rod continuous rolling.
Background technology
In bar continuous rolling is produced, looper, as buffering link when speed is not mated between frame, is that milling train unit speed controlled system with self-regulation realizes the requisite equipment of micro tension milling.
At present, as shown in Figure 1, looper is generally main comprises loop-rising roll axle 11, loop-rising roll 12, loop-rising roll shaft sleeve 13, turning arm (connecting lever) 14, cylinder 15, rotatable pivot arm axle 19, rotatable pivot arm shaft sleeve 18.Adopt interference fits between loop-rising roll axle 11 and loop-rising roll shaft sleeve 13, be positioned at axle head gland 131 fixations of loop-rising roll shaft sleeve 13 lower end.Realize rotating by copper sheathing 17 between rotatable pivot arm shaft sleeve 18 and rotatable pivot arm axle 19, similarly, axle head gland 181 plays the role of positioning; Rotatable pivot arm axle 19 is fixed on looper framework 16 by flange 191.
Application finds, the looper with said structure in use exists the problem of following several aspect:
Loop-rising roll axle 11 and loop-rising roll shaft sleeve 13 in long-time use procedure otherwise gap increasing, cause loop-rising roll about 12 whipping; Because of lockings such as corrosions, take apart and change spare part difficulty greatly, need heating.The main cause of this problem is caused to be to adopt interference fits between loop-rising roll axle 11 and loop-rising roll shaft sleeve 13, in long-time use procedure, because of bad environments, the continuous erosion of cooling water and iron scale, easily there is the situation of locking between loop-rising roll axle 11 and loop-rising roll shaft sleeve 13, be difficult to dismounting.If this place's interference fits changes matched in clearance into or trends towards matched in clearance, then there will be gap after long-time use and become large gradually, thus reach the consequence that can not meet service condition fast.
Gap between rotatable pivot arm shaft sleeve 18 and rotatable pivot arm axle 19 is in use increasing, causes loop-rising roll about 12 whipping equally, reduces service life.The main cause of this problem is caused to be, utilize the sliding friction be embedded between the copper sheathing 17 at the inner two ends of rotatable pivot arm shaft sleeve 18 and rotatable pivot arm axle 19 between rotatable pivot arm shaft sleeve 18 and rotatable pivot arm axle 19, realize axial location and rotational action.In long running, equally due to the erosion of cooling water and iron scale, mating surface serious wear, gap becomes large gradually, causes the action of loop-rising roll 12 not meet service condition.
In addition, after the wearing and tearing of copper sheathing 17 position, there is the problem being difficult to remove from looper framework 16 because the reasons such as corrosion cause equally in rotatable pivot arm axle 19.
The problems referred to above all can cause looper job insecurity, spare parts consumption to increase, and maintenance process parts replacement difficulty is comparatively large simultaneously, workman's amount of labour is larger.
Summary of the invention
The object of the present invention is to provide a kind of looper, easily to occur locking between loop-rising roll axle and loop-rising roll shaft sleeve at least to solve, be difficult to dismantle or the problem of excesssive gap.
In order to solve the problem, the invention provides following technical scheme:
A kind of looper, comprises framework, loop-rising roll, loop-rising roll axle, loop-rising roll shaft sleeve, turning arm, rotatable pivot arm axle, rotatable pivot arm shaft sleeve, cylinder; Described loop-rising roll axle is located on described turning arm by described loop-rising roll shaft sleeve, and described loop-rising roll is located at one end of described loop-rising roll axle, and described loop-rising roll shaft sleeve is then located at the other end of described loop-rising roll axle; Described rotatable pivot arm is located on described framework, and described rotatable pivot arm shaft sleeve is located on described rotatable pivot arm axle; Described turning arm is connected between described loop-rising roll shaft sleeve and rotatable pivot arm shaft sleeve, the free end of described cylinder is connected in the middle part of described turning arm, to drive described turning arm and described loop-rising roll shaft sleeve with described rotatable pivot arm axle for fulcrum rotates, it is characterized in that, described loop-rising roll sleeve is fixed on described loop-rising roll axle by securing member.
Preferably, in above-mentioned looper, described loop-rising roll shaft sleeve is the clamping coupling structure comprising two panels clamping coupling, and on clamping coupling described in two panels, correspondence arranges multiple through hole, and multiple described through hole is unthreaded hole, multiple bolt is fixed by nut after being each passed through described unthreaded hole.
Preferably, in above-mentioned looper, described in two panels, between clamping coupling, there is gap, so that bolt described in gas cutting.
Preferably, in above-mentioned looper, described rotatable pivot arm shaft sleeve is the clamping coupling structure comprising two panels clamping coupling, and on clamping coupling described in two panels, correspondence arranges multiple through hole, and multiple described through hole is unthreaded hole, multiple bolt is fixed by nut after being each passed through described unthreaded hole; Described rotatable pivot arm axle is rotatably located on described framework.
Preferably, in above-mentioned looper, described in two panels, between clamping coupling, there is gap, so that bolt described in gas cutting.
Preferably, in above-mentioned looper, also comprise: bearing block, be fixed on described framework; Bearing, is arranged in described bearing block, and is sheathed on described rotatable pivot arm axle; Gland, ringwise, is sheathed on described rotatable pivot arm axle and is positioned at outside described bearing, and being fixed on described bearing block, to limit the position of described bearing.
Preferably, in above-mentioned looper, described bearing block, bearing, gland are at least two groups, and are positioned at the diverse location of described rotatable pivot arm axle.
Preferably, in above-mentioned looper, between described gland and described rotatable pivot arm axle, be also provided with bearing locking cover.
Preferably, in above-mentioned looper, also comprise a reinforcement sleeve, described reinforcement sleeve is fixed on described framework, and a part for described rotatable pivot arm axle is through described reinforcement sleeve.
Preferably, in above-mentioned looper, the inner space of described reinforcement sleeve and the inner space of described bearing block, so that store lubricant in the inner space of described reinforcement sleeve, play the effect of lubrication to described bearing.
Analyze known, the present invention is optimized the connected mode between loop-rising roll shaft sleeve, turning arm, the assembling mode after optimization, and dismounting assembling is simple, easy to maintenance, and obtains prolongation to a great extent service life.
Accompanying drawing explanation
Fig. 1 is the structural representation playing nested structure of existing looper;
Fig. 2 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 2, the embodiment of the present invention comprises framework 26 and is arranged at loop-rising roll 22, loop-rising roll axle 21, loop-rising roll shaft sleeve 23, turning arm 24, rotatable pivot arm axle 29, rotatable pivot arm shaft sleeve 28, the cylinder 25 (specifically, in Fig. 2, display area is the piston rod external part of cylinder 25) on framework 26.Loop-rising roll axle 21 is connected with turning arm 24 by loop-rising roll shaft sleeve, and be located on framework 26 movably, loop-rising roll 22 is located at one end (Fig. 2 is shown as upper end or is referred to as epimere) of loop-rising roll axle 21, and loop-rising roll shaft sleeve 23 is located at the other end of loop-rising roll axle 21.Rotatable pivot arm axle 29 is rotatably located at (29, the rotatable pivot arm axle of prior art is fixed on framework 26) on framework 26, and rotatable pivot arm shaft sleeve 28 is located on rotatable pivot arm axle 29; Turning arm 24 is connected between loop-rising roll shaft sleeve 23 and rotatable pivot arm shaft sleeve 28, the free end (the piston rod external part of cylinder 25) of cylinder 25 is articulated with in the middle part of turning arm 24, to drive turning arm 24 and loop-rising roll shaft sleeve 23 with rotatable pivot arm axle 29 for fulcrum rotates, for the ease of dismounting, change loop-rising roll axle 21 etc., the loop-rising roll sleeve 23 of the present embodiment is fixed on loop-rising roll axle 21 by securing member.
Preferably, loop-rising roll shaft sleeve 23 is comprise two panels clamping coupling: the clamping coupling structure of clamping coupling 231, clamping coupling 232, on clamping coupling 231, clamping coupling 232, correspondence arranges multiple through hole (unmarked), and multiple through hole is unthreaded hole, multiple bolt 233 is fixed by nut (unmarked) after being each passed through unthreaded hole.Clamping coupling 231, clamping coupling 232 adopt bolt to fix, and all adopt punching structure, namely the unthreaded hole supplying bolt 233 to pass in clamping coupling 231, clamping coupling 232 is without internal thread, adopt the fastening means of nut, bullet pad, plain cushion, be convenient to after gas cutting cuts off bolt 233, screw rod be taken out.Unthreaded hole refers to threadless through hole.
It is 2 by loop-rising roll shaft sleeve 23 subdivision, change clamping coupling version into, then bolt 233 is utilized to be fixedly connected with, loop-rising roll shaft sleeve 23 and loop-rising roll axle 21 link together by the frictional force that bolt 233 Tightening moment can be utilized to produce, and turning arm 23 welds with one of them clamping coupling.
This version advantages, such as: there is not gap after long-time use, loop-rising roll about 22 whipping can not be caused; Quick detachable, the fastening bolt 233 of loop-rising roll shaft sleeve 23 is very easily through the unthreaded hole on clamping coupling 231, clamping coupling 232, fix with nut (or nut), during dismounting, only needing to cut off bolt 233 with gas cutting from intermediate gap 230 can get loose.Do not contact completely between two panels clamping coupling 231, clamping coupling 232, but form gap 230, gas cutting bolt 233 is convenient in gap 230, thus realizes the separation of two panels clamping coupling 231, clamping coupling 232, and makes to throw off with the loop-rising roll axle 21 of its clamping.In other embodiments, if seamless 230, directly nut is dismantled, unloading process relative difficulty.
Structure as loop-rising roll shaft sleeve 23 is similar, and rotatable pivot arm shaft sleeve 28 is also the clamping coupling structure comprising two panels clamping coupling, specifically repeats no more.Due between turning arm 24 with rotatable pivot arm shaft sleeve 28 for being fixedly connected with, rotatable pivot arm shaft sleeve 28 cannot more as prior art can and rotatable pivot arm axle 29 between occur relatively to rotate, therefore, the rotatable pivot arm axle 29 of the present embodiment is rotatably located on framework 26, can swing to make turning arm 24.
In order to realize the rotation of rotatable pivot arm axle 29, the present embodiment also comprises: bearing block 211, bearing 212, gland 210.Wherein, bearing block 211 is fixed on framework 26, such as, be welded on the upper and lower side of framework 26.In bearing 212 embedded axle bearing 211, and be sheathed on rotatable pivot arm axle 29.Gland ringwise, to be sheathed on rotatable pivot arm axle 29 and to be positioned at outside bearing 212, being fixed on bearing block 211, to limit the position of bearing 212 by Flange joint.Preferably, bearing block 211, bearing 212, gland 210 are two groups, lay respectively at the diverse location of rotatable pivot arm axle 29, and such as one group is positioned at the upper side of framework 26, and another group is positioned at the downside of framework 26.Bearing is preferably rolling bearing.
Preferably, bearing locking cover 213 is also provided with between gland 210 and rotatable pivot arm axle 29.The end of stretching out framework 26 of rotatable pivot arm axle 29 is also arranged with bearing lock nut 214.Preferably, when bearing, bearing block are two groups, bearing locking cover is two.
More preferably, the part of rotatable pivot arm axle 29 between framework 26 is also sheathed among a reinforcement sleeve 215, the two ends of this reinforcement sleeve 215 are welded in the medial surface of framework 26, rotatable pivot arm axle 29 and this reinforcement sleeve 215 pass wherein coaxially, this reinforcement sleeve 215 not only can limit the position of rotatable pivot arm axle 29, improve its operation stability, and the very important point is, it can increase the structural strength of framework 26, reducing rotatable pivot arm axle 29 rotates (in prior art, rotatable pivot arm axle 29 is static) harmful effect to framework 26.More preferably, strengthen the inner space of sleeve 215 and the inner space of two side shaft holders, so that store a large amount of lubricants in this space, lubricant is to bearing, and especially rolling bearing can play long lubrication.Lubricant can be glycerine lubrication fat.
In addition, the present embodiment bearing completes spinning movement, long service life and basic gapless, avoids the whipping of loop-rising roll 22 in course of action equally, such as whipping up and down.
In sum, the present invention is the service life of the Qi Tao mechanism spare part improving looper, reduce the maintenance frequency of nested structure spare part, the rapid-maintenance being simultaneously convenient to spare part is changed, the structure of loop-rising roll shaft sleeve and rotatable pivot arm shaft sleeve is optimized, the two is all changed to clamping coupling form, utilizes the clamping force of bolt to realize the location of loop-rising roll axle and rotatable pivot arm axle.Simultaneously for realizing the spinning movement of loop-rising roll around rotatable pivot arm axle, this spinning movement completed by the rotatable pivot arm sleeve of prior art and coordinating of rotatable pivot arm axle, by adopting bearing arrangement, become the mode that sliding friction rubs into roller-way, realize between rotatable pivot arm axle and looper framework.
Known, the present invention can solve the clearance issues that whole rotational structure produces in long-time frequent movement situation, and then improves the normal condition service life of mechanism.The employing of clamping coupling structure, the replacing of loop-rising roll axle and rotatable pivot arm axle in very big convenient for maintaining process, reduces maintenance labour intensity, saves maintenance time.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.

Claims (10)

1. a looper, comprises framework, loop-rising roll, loop-rising roll axle, loop-rising roll shaft sleeve, turning arm, rotatable pivot arm axle, rotatable pivot arm shaft sleeve, cylinder; Described loop-rising roll axle is located on described turning arm by described loop-rising roll shaft sleeve, and described loop-rising roll is located at one end of described loop-rising roll axle, and described loop-rising roll shaft sleeve is then located at the other end of described loop-rising roll axle; Described rotatable pivot arm is located on described framework, and described rotatable pivot arm shaft sleeve is located on described rotatable pivot arm axle; Described turning arm is connected between described loop-rising roll shaft sleeve and rotatable pivot arm shaft sleeve, the free end of described cylinder is connected in the middle part of described turning arm, to drive described turning arm and described loop-rising roll shaft sleeve with described rotatable pivot arm axle for fulcrum rotates, it is characterized in that, described loop-rising roll sleeve is fixed on described loop-rising roll axle by securing member.
2. looper according to claim 1, it is characterized in that, described loop-rising roll shaft sleeve is the clamping coupling structure comprising two panels clamping coupling, on clamping coupling described in two panels, correspondence arranges multiple through hole, and multiple described through hole is unthreaded hole, multiple bolt is fixed by nut after being each passed through described unthreaded hole.
3. looper according to claim 2, is characterized in that, there is gap described in two panels between clamping coupling, so that bolt described in gas cutting.
4. looper according to claim 1, it is characterized in that, described rotatable pivot arm shaft sleeve is the clamping coupling structure comprising two panels clamping coupling, on clamping coupling described in two panels, correspondence arranges multiple through hole, and multiple described through hole is unthreaded hole, multiple bolt is fixed by nut after being each passed through described unthreaded hole;
Described rotatable pivot arm axle is rotatably located on described framework.
5. looper according to claim 4, is characterized in that, there is gap described in two panels between clamping coupling, so that bolt described in gas cutting.
6. looper according to claim 4, is characterized in that, also comprises:
Bearing block, is fixed on described framework;
Bearing, is arranged in described bearing block, and is sheathed on described rotatable pivot arm axle;
Gland, ringwise, is sheathed on described rotatable pivot arm axle and is positioned at outside described bearing, and being fixed on described bearing block, to limit the position of described bearing.
7. looper according to claim 6, is characterized in that, described bearing block, bearing, gland are at least two groups, and is positioned at the diverse location of described rotatable pivot arm axle.
8. looper according to claim 6, is characterized in that, is also provided with bearing locking cover between described gland and described rotatable pivot arm axle.
9. looper according to claim 6, is characterized in that, also comprises a reinforcement sleeve, and described reinforcement sleeve is fixed on described framework, and a part for described rotatable pivot arm axle is through described reinforcement sleeve.
10. looper according to claim 9, is characterized in that, the inner space of described reinforcement sleeve and the inner space of described bearing block, so that store lubricant in the inner space of described reinforcement sleeve, play the effect of lubrication to described bearing.
CN201410802242.2A 2014-12-18 2014-12-18 Looper Expired - Fee Related CN104525585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410802242.2A CN104525585B (en) 2014-12-18 2014-12-18 Looper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410802242.2A CN104525585B (en) 2014-12-18 2014-12-18 Looper

Publications (2)

Publication Number Publication Date
CN104525585A true CN104525585A (en) 2015-04-22
CN104525585B CN104525585B (en) 2016-07-06

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CN201410802242.2A Expired - Fee Related CN104525585B (en) 2014-12-18 2014-12-18 Looper

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105964707A (en) * 2016-06-21 2016-09-28 江苏永钢集团有限公司 Fixing device for loop-rising roll on wire side

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090009983U (en) * 2008-03-28 2009-10-01 현대제철 주식회사 Driving Shaft Assembly of Up-Looper for Rolling
CN202683624U (en) * 2012-06-21 2013-01-23 新疆八一钢铁股份有限公司 Improved looper loop lifting wheel assembly structure
CN202803778U (en) * 2012-09-25 2013-03-20 新疆八一钢铁股份有限公司 Improved high-speed wire rod vertical loop device
CN202943087U (en) * 2012-11-23 2013-05-22 江苏东方成套设备制造有限公司 Looper assembly used for steel rolling
CN203862699U (en) * 2014-04-02 2014-10-08 通化钢铁股份有限公司 Loop roller of high-speed wire-bar rolling equipment
CN204320818U (en) * 2014-12-18 2015-05-13 山东钢铁股份有限公司 Looper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090009983U (en) * 2008-03-28 2009-10-01 현대제철 주식회사 Driving Shaft Assembly of Up-Looper for Rolling
CN202683624U (en) * 2012-06-21 2013-01-23 新疆八一钢铁股份有限公司 Improved looper loop lifting wheel assembly structure
CN202803778U (en) * 2012-09-25 2013-03-20 新疆八一钢铁股份有限公司 Improved high-speed wire rod vertical loop device
CN202943087U (en) * 2012-11-23 2013-05-22 江苏东方成套设备制造有限公司 Looper assembly used for steel rolling
CN203862699U (en) * 2014-04-02 2014-10-08 通化钢铁股份有限公司 Loop roller of high-speed wire-bar rolling equipment
CN204320818U (en) * 2014-12-18 2015-05-13 山东钢铁股份有限公司 Looper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105964707A (en) * 2016-06-21 2016-09-28 江苏永钢集团有限公司 Fixing device for loop-rising roll on wire side
CN105964707B (en) * 2016-06-21 2019-01-01 江苏永钢集团有限公司 The fixation device of wire rod side loop loop-rising roll

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Granted publication date: 20160706

Termination date: 20171218