CN104439137A - Tilting gear limit buffer device - Google Patents

Tilting gear limit buffer device Download PDF

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Publication number
CN104439137A
CN104439137A CN201410666527.8A CN201410666527A CN104439137A CN 104439137 A CN104439137 A CN 104439137A CN 201410666527 A CN201410666527 A CN 201410666527A CN 104439137 A CN104439137 A CN 104439137A
Authority
CN
China
Prior art keywords
tilting gear
limit
transmission shaft
main shaft
stay pipe
Prior art date
Application number
CN201410666527.8A
Other languages
Chinese (zh)
Other versions
CN104439137B (en
Inventor
徐成刚
朱松军
黄辉
李露冬
Original Assignee
江苏永钢集团有限公司
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 江苏永钢集团有限公司 filed Critical 江苏永钢集团有限公司
Priority to CN201410666527.8A priority Critical patent/CN104439137B/en
Publication of CN104439137A publication Critical patent/CN104439137A/en
Application granted granted Critical
Publication of CN104439137B publication Critical patent/CN104439137B/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ

Abstract

The invention discloses a tilting gear limit buffer device which comprises a main shaft movably supported on a tilting gear rack. Supporting frames are arranged on one side of the tilting gear rack, a supporting pipe is fixed to the supporting frames, a transmission shaft is movably arranged in the supporting pipe in a penetrating mode, one end of the transmission shaft stretches out of the supporting pipe, a buffer plate is then installed at one end of the transmission shaft, a strip-shaped through hole is formed in the buffer plate, a transmission rod capable of moving along the strip-shaped through hole is arranged in the strip-shaped through hole, the transmission rod is connected with one shaft end of the main shaft, the other end of the transmission shaft stretches out of the supporting pipe, a limit check block is then installed at the other end of the transmission shaft, a limit bracket is fixed to the portion, close to the limit check block, of the supporting pipe, a front limit switch capable of being matched with the limit check block is arranged at the position, located at a front turning station, of the limit bracket, and a rear limit switch capable of being matched with the limit check block is arranged at the position, located at a rear turning station, of the limit bracket. The tilting gear limit buffer device has the advantages of being capable of preventing the situation that the main shaft moves in the axial direction or the radial direction and consequently limiting fails, and being high in detection stability and use security.

Description

Tilting gear limit damper

Technical field

The present invention relates to steel-making tilting gear apparatus field, be specifically related to tilting gear limit damper.

Background technology

Tilting gear is a kind of continuous casting installation for casting that steel mill is conventional, the structure of tilting gear is: comprise tilting gear frame, in tilting gear frame, expansion bearing has main shaft, main shaft is provided with L shape and turns over steel bracket, main shaft drives reciprocating rotation by driving mechanism, synchronous drive L shape is turned over steel bracket and is back and forth overturn, and L shape is turned over steel bracket and only back and forth overturn at front station turning and rear station turning two stations under the position-limiting action of position-limit mechanism.The structure of the position-limit mechanism used at present is: on tilting gear main shaft, be provided with positive stop, the tilting gear frame at front station turning place is provided with the front limit switch that can match spacing with positive stop, the tilting gear frame at rear station turning place is provided with the spacing rear limit switch that can match with positive stop.The operation principle of above-mentioned position-limit mechanism is: when the L shape in tilting gear turn over steel bracket under the drive of the main shaft rotated forward, turn over forward steel time, positive stop on main shaft also synchronously overturns forward, when positive stop turn to forward front limit switch, the signal of station turning before front limit switch can send to the tilting gear PLC that can control driving mechanism start and stop and arrive, tilting gear PLC stops driving mechanism work after receiving this signal, when the L shape in tilting gear turn over steel bracket under the drive of the main shaft rotated backward, turn over steel backward time, positive stop on main shaft is also synchronously turned over, when positive stop is turned over to rear limit switch, the signal of station turning after rear limit switch can arrive to tilting gear PLC transmission, tilting gear PLC stops driving mechanism work after receiving this signal, thus realize L shape and turn over steel bracket and back and forth overturn at front station turning and rear station turning two stations.The shortcoming of above-mentioned position-limit mechanism is: on the one hand, because the position quality of fit between limit switch and positive stop is high, but in the running of tilting gear, can axial float be there is unavoidably in the main shaft of tilting gear, gap can be produced after the radial bearing bush abrasion of tilting gear simultaneously, make tilting gear main shaft also radial-play can occur, when after tilting gear main shaft generation axis or radial-play, the axial distance between main shaft upper limit block and limit switch or radial distance is easily made to change, thus limit switch normally can not be detected positive stop, and then cause spacing malfunctioning, for hidden danger has been buried in safety in production, on the other hand, because tilting gear operating ambient temperature is higher, the limit switch be installed in tilting gear frame is easily baked bad by the red steel of heat that upset accepted by tilting gear, not only shortens the service life of limit switch, and installation and maintenance difficulty, also considerably increase enterprise's production and application cost simultaneously.

Summary of the invention

The object of this invention is to provide and a kind ofly detect stability and tilting gear limit damper safe to use.

For achieving the above object, present invention employs following technical scheme: described tilting gear limit damper, comprise the tilting gear frame that expansion bearing has main shaft, the side of tilting gear frame is provided with bracing frame, bracing frame is fixed with stay pipe, in stay pipe, activity is equipped with power transmission shaft, after stay pipe is stretched out in one end of power transmission shaft, buffer board is installed, buffer board offers strip through-hole, being provided with in strip through-hole can along the drive link of strip through-hole movement, drive link is connected with the side axle head of main shaft, after the other end of power transmission shaft stretches out stay pipe, positive stop is installed, stay pipe near positive stop is fixed with limiting bracket, the limiting bracket at front station turning place is provided with the front limit switch that can match with positive stop, the limiting bracket at rear station turning place is provided with the rear limit switch that can match with positive stop.

Further, aforesaid tilting gear limit damper, wherein: power transmission shaft passes through a pair drive bearing expansion bearing in stay pipe.

Further, aforesaid tilting gear limit damper, wherein: the top of bracing frame is provided with arc groove, and stay pipe is arranged in arc groove.

By the enforcement of technique scheme, the invention has the beneficial effects as follows: on the one hand, effectively can avoid the generation of the spacing malfunctioning situation caused because of main shaft generation axis or radial-play, detect stability high; On the other hand, owing to limit switch to be installed on the position away from tilting gear frame, under avoiding limit switch to be in the bad working environments of high temperature all the time, not only installation and maintenance are convenient, and extend the service life of limit switch, greatly reduce enterprise's production and application cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of tilting gear limit damper of the present invention.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the invention will be further described.

As shown in Figure 1, described tilting gear limit damper, comprise the tilting gear frame 1 that expansion bearing has main shaft 2, the side of tilting gear frame 1 is provided with bracing frame 3, bracing frame 3 is fixed with stay pipe 4, in stay pipe 4, activity is equipped with power transmission shaft 5, after stay pipe 4 is stretched out in one end of power transmission shaft 5, buffer board 6 is installed, buffer board 6 offers strip through-hole 7, being provided with in strip through-hole 7 can along the drive link 8 of strip through-hole 7 movement, drive link 8 is connected with the side axle head of main shaft 2, after the other end of power transmission shaft 5 stretches out stay pipe 4, positive stop 9 is installed, stay pipe 4 outer tube wall near positive stop 9 is fixed with limiting bracket 10, the limiting bracket 10 at front station turning place is provided with the front limit switch 11 that can match with positive stop 9, the limiting bracket 10 at rear station turning place is provided with the rear limit switch 12 that can match with positive stop 9, in the present embodiment, power transmission shaft 5 in stay pipe 4, can not only improve the rotational stability of power transmission shaft 5 by a pair drive bearing expansion bearing like this, and the situation also effectively preventing power transmission shaft 5 from damaging because there is friction between stay pipe 4 inwall occurs, in the present embodiment, the top of bracing frame 3 is provided with arc groove, stay pipe 4 is arranged in arc groove, installs stay pipe 4 so more convenient,

Operation principle of the present invention is as follows:

When overturning forward under the drive of the main shaft 2 in tilting gear at driving mechanism, main shaft 2 synchronously drives power transmission shaft 5 to overturn forward by drive link 8 and buffer board 6, can positive stop 9 be synchronously driven to overturn forward while power transmission shaft 5 overturns forward, when positive stop 9 turn to forward front limit switch 11, the signal of station turning before front limit switch 11 can arrive to tilting gear PLC transmission, tilting gear PLC stops main shaft 2 to be rotated further after receiving this signal, when turning under the drive of the main shaft 2 in tilting gear at driving mechanism, main shaft 2 synchronously drives power transmission shaft 5 to turn over by drive link 8 and buffer board 6, power transmission shaft 5 can synchronously drive positive stop 9 to turn over while turning over, when positive stop 9 is turned over to rear limit switch 12, the signal of station turning after rear limit switch 12 can arrive to tilting gear PLC transmission, tilting gear PLC stops being rotated further of main shaft 2 after receiving this signal, in the process that main shaft 2 overturns forward or backward, when there is axial float in main shaft 2, main shaft 2 can drive drive link 8 axial play that interts in strip through-hole 7, make the active force of main shaft 2 axial float can not act on the power transmission shaft 5 of mounting limit link stopper 9, thus the axial distance between positive stop 9 and limit switch can not be made to change, guarantee that positive stop 9 stably can detect all the time with limit switch to coordinate, prevent because axial location between positive stop 9 and limit switch changes the generation of the spacing malfunctioning situation caused, when there is radial-play in main shaft 2, power transmission shaft 5 due to mounting limit link stopper 9 is stably supported in stay pipe 4, the main shaft 2 of radial-play can only drive drive link 8 to move along strip through-hole 7, the active force of main shaft 2 radial-play also can not be acted on the power transmission shaft 5 of mounting limit link stopper 9, thus the radial distance between positive stop 9 and limit switch can not be made to change, guarantee that positive stop 9 stably can detect all the time with limit switch to coordinate, prevent because radial position between positive stop 9 and limit switch changes the generation of the spacing malfunctioning situation caused.Advantage of the present invention is: the generation effectively avoiding the spacing malfunctioning situation caused because of main shaft generation axis or radial-play, simultaneously owing to limit switch to be installed on the position away from tilting gear frame, under avoiding limit switch to be in the bad working environments of high temperature all the time, not only installation and maintenance are convenient, extend the service life of limit switch, and greatly reduce enterprise's production and application cost.

Claims (3)

1. tilting gear limit damper, comprise the tilting gear frame that expansion bearing has main shaft, it is characterized in that: the side of tilting gear frame is provided with bracing frame, bracing frame is fixed with stay pipe, in stay pipe, activity is equipped with power transmission shaft, after stay pipe is stretched out in one end of power transmission shaft, buffer board is installed, buffer board offers strip through-hole, being provided with in strip through-hole can along the drive link of strip through-hole movement, drive link is connected with the side axle head of main shaft, after the other end of power transmission shaft stretches out stay pipe, positive stop is installed, stay pipe near positive stop is fixed with limiting bracket, the limiting bracket at front station turning place is provided with the front limit switch that can match with positive stop, the limiting bracket at rear station turning place is provided with the rear limit switch that can match with positive stop.
2. tilting gear limit damper according to claim 1, is characterized in that: power transmission shaft passes through a pair drive bearing expansion bearing in stay pipe.
3. tilting gear limit damper according to claim 1, is characterized in that: the top of bracing frame is provided with arc groove, and stay pipe is arranged in arc groove.
CN201410666527.8A 2014-11-20 2014-11-20 Tilting gear limit damper CN104439137B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410666527.8A CN104439137B (en) 2014-11-20 2014-11-20 Tilting gear limit damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410666527.8A CN104439137B (en) 2014-11-20 2014-11-20 Tilting gear limit damper

Publications (2)

Publication Number Publication Date
CN104439137A true CN104439137A (en) 2015-03-25
CN104439137B CN104439137B (en) 2016-06-22

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CN201410666527.8A CN104439137B (en) 2014-11-20 2014-11-20 Tilting gear limit damper

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388840A (en) * 2017-07-20 2017-11-24 山东钢铁集团日照有限公司 A kind of stopping means for measuring the movement of rear of sintering machine rocker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2224042Y (en) * 1994-08-26 1996-04-10 无锡市钢厂 Diamond-blank tilter for primary-rolling mill
CN201952494U (en) * 2011-01-21 2011-08-31 江苏晨力实业有限公司 Online continuous frame counter weight type plate turnover machine
CN202479227U (en) * 2011-12-29 2012-10-10 二重集团（德阳）重型装备股份有限公司 Tong-type tilting gear
CN203599228U (en) * 2013-11-26 2014-05-21 天津市中重科技工程有限公司 Hydraulic tilting gear with guide pulley
CN204321129U (en) * 2014-11-20 2015-05-13 江苏永钢集团有限公司 Tilting gear limit damper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2224042Y (en) * 1994-08-26 1996-04-10 无锡市钢厂 Diamond-blank tilter for primary-rolling mill
CN201952494U (en) * 2011-01-21 2011-08-31 江苏晨力实业有限公司 Online continuous frame counter weight type plate turnover machine
CN202479227U (en) * 2011-12-29 2012-10-10 二重集团（德阳）重型装备股份有限公司 Tong-type tilting gear
CN203599228U (en) * 2013-11-26 2014-05-21 天津市中重科技工程有限公司 Hydraulic tilting gear with guide pulley
CN204321129U (en) * 2014-11-20 2015-05-13 江苏永钢集团有限公司 Tilting gear limit damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388840A (en) * 2017-07-20 2017-11-24 山东钢铁集团日照有限公司 A kind of stopping means for measuring the movement of rear of sintering machine rocker

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Effective date of registration: 20190704

Address after: 215600 Yonglian Village, Nanfeng Town, Zhangjiagang City, Jiangsu Province

Patentee after: Lian Feng Steel (Zhangjiagang) Co., Ltd.

Address before: 215628 Yonglian Jiangsu Yonggang Group Co., Ltd., Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province

Patentee before: Jiangsu Yonggang Group Co., Ltd.