CN102285581A - Special suspender to replace vertical mill universal connecting shafts and use method thereof - Google Patents

Special suspender to replace vertical mill universal connecting shafts and use method thereof Download PDF

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Publication number
CN102285581A
CN102285581A CN201010202237XA CN201010202237A CN102285581A CN 102285581 A CN102285581 A CN 102285581A CN 201010202237X A CN201010202237X A CN 201010202237XA CN 201010202237 A CN201010202237 A CN 201010202237A CN 102285581 A CN102285581 A CN 102285581A
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China
Prior art keywords
universal
suspension rod
joint spindle
driving
anchor ear
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Granted
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CN201010202237XA
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Chinese (zh)
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CN102285581B (en
Inventor
李德兴
沈明明
冯世克
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MCC5 Group Shanghai Corp Ltd
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MCC5 Group Shanghai Corp Ltd
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Priority to CN201010202237.XA priority Critical patent/CN102285581B/en
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Publication of CN102285581B publication Critical patent/CN102285581B/en
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Abstract

The invention provides a special suspender to replace vertical mill universal connecting shafts. The special suspender comprises a suspender, a hoop and a balance weight unit; the special suspender is characterized in that the suspender (6) is a box-shaped joist steel structure; a big lug (7) is arranged at the middle; a connecting seat in 135 degrees connection with the suspender (6) is arranged at one end, and the balance weight unit is arranged at the other end; the hoop is two semicircular half hoops (5), and is fixedly connected with the connecting seat of the suspender (6) by a bolt (9), so that the hoops (5) are in 135 degrees connection with the suspender (6); the balance weight unit is provided with a balance weight frame (10) fixedly connected with the suspender (6); the middle part of the balance weight frame (10) is provided with a lug (8); and a balance weight is arranged in the balance weight frame (10). The special suspender to replace vertical mill universal connecting shafts and a use method thereof have the advantages that the universal connecting shaft can be dismounted or mounted efficiently, reliably and fast.

Description

Change the special-purpose suspension rod and the using method thereof of vertical mill universal-joint spindle
Technical field
The present invention relates to a kind of milling train of production line of bar, specifically, is a kind of special-purpose suspension rod and using method thereof of changing the vertical mill universal-joint spindle.
Background technology
Milling train size and weight medium-sized and large-scale production line of bar are bigger, and the universal-joint spindle length of milling train is generally 3 meters (about 1 meter of scalable length), about about 4 tons of the related weight that connects spindle nose.Usually lift by crane after using steel rope or cloth suspender belt binding universal-joint spindle, but this binding method is easy to generate slip concerning the such major axis of universal-joint spindle, and when changing the universal-joint spindle of vertical mill, as shown in Figure 1, because, having hindered direct universal-joint spindle the lifting with driving on the universal-joint spindle top, reductor puts in place.The hanging method of known universal-joint spindle is with driving universal-joint spindle to be hung as far as possible near the reductor position earlier, hanging a 1T cucurbit on the top of inboard, universal-joint spindle installation site draws in universal-joint spindle inward, extension 2 2T cucurbits in both sides, universal-joint spindle top are caught universal-joint spindle universal-joint spindle fixing when driving a vehicle loose hook simultaneously, do not allow universal-joint spindle topple over, universal-joint spindle uses above three cucurbits to carry out contraposition and lifting when docking with reductor, above process all needs the workmen to stand on the inspection platform of temporarily setting up the high-altitude to draw cucurbit and commander's driving, and need driving and cucurbit cooperation could realize universal-joint spindle hung out to lift up into, the hanging method of known universal-joint spindle is hard, and dangerous.
Therefore the replacing method of known universal-joint spindle exists above-mentioned all inconvenience and problem.
Summary of the invention
Purpose of the present invention, the equilibrium principle that is to utilize balance to weigh propose a kind of special-purpose suspension rod that improves the replacing vertical mill universal-joint spindle of the efficient of changing universal-joint spindle and reliability, safety.
Another object of the present invention is to utilize the balance equilibrium principle of weighing to propose a kind of using method of special-purpose suspension rod of the replacing vertical mill universal-joint spindle that improves the efficient of changing universal-joint spindle and reliability, safety.
For achieving the above object, technical solution of the present invention is:
A kind of special-purpose suspension rod of changing the vertical mill universal-joint spindle comprises suspension rod, and anchor ear and counterweight element is characterized in that:
Described suspension rod is a box beam steel construction piece, and the centre is provided with a big hanger, and an end is provided with one and becomes 135 ° of bonded assembly Connection Blocks with described suspension rod, and the other end is provided with a counterweight element;
Described anchor ear is the two halves chip anchor ear of semi-annular shape, captives joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod;
Described counterweight element is provided with a counterweight frame of captiveing joint with suspension rod, and the middle part of described counterweight frame is provided with a hanger, and is provided with counterweight in the described counterweight frame.
The special-purpose suspension rod that rolling mill universal of the present invention connects axle can also be further achieved by the following technical measures.
Aforesaid rolling mill universal connects the special-purpose suspension rod of axle, and the two halves chip anchor ear of wherein said semi-annular shape is provided with the leader respectively on two halves sheet anchor ear.
Aforesaid rolling mill universal connects the special-purpose suspension rod of axle, is provided with a hinge that flexibly connects each other between the two halves sheet anchor ear of the two halves chip anchor ear of wherein said semi-annular shape.
Aforesaid rolling mill universal connects the special-purpose suspension rod of axle, and the counterweight in the wherein said counterweight frame is some round steel billets, and described some round steel billets are fixed in the described counterweight frame by the counterweight gusset.
A kind of using method of changing the vertical mill universal-joint spindle is characterized in that may further comprise the steps:
I, remove universal-joint spindle from vertical mill:
First step: make anchor ear according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; Provide one to be provided with the driving hook and the driving of the little hook of driving a vehicle, hang big hanger, and state the hanger at counterweight frame middle part with the little hook block of driving residence with the driving hook;
Second step: when the suspension rod level was hung the rolling on edge rolling mill universal and connect the axial region position, the little hook of driving a vehicle was transferred counterweight, put to connect to the anchor ear of suspension rod and rolling on edge rolling mill universal to get final product when axle is vertical state;
Third step: the height of adjusting anchor ear arrives bottom, universal-joint spindle collapsible joint place, the translation suspension rod is to the universal-joint spindle position, the workmen stands on the inspection platform that temporarily provides and embraces universal-joint spindle reliably with anchor ear, remove universal-joint spindle and be connected, and break away from original holding position with the top of reductor;
The 4th step: driving hook parallel motion is thrown off universal-joint spindle with universal-joint spindle and is supported and the reductor position, rise the little hook of driving, allow suspension rod to level attitude, hang out universal-joint spindle, after winching to old universal-joint spindle putting position, rise the little hook of driving again and to level attitude, put down universal-joint spindle by universal-joint spindle;
II is installed a new universal-joint spindle and is entered vertical mill
First step: make anchor ear according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; One driving that is provided with driving hook and the little hook of a driving is provided, hangs big hanger, and state hanger in the middle part of the counterweight frame with the little hook block residence of driving a vehicle with the driving hook;
Second step: behind the suspension rod of slinging with driving a vehicle, rise the little hook of driving the suspension rod anchor ear is turn to level attitude; Embrace the universal-joint spindle top sub position of horizontal positioned with anchor ear; One 2t cucurbit is provided, and its top hangs on the anchor ear hanger, and the bottom of universal-joint spindle is held in the bottom;
Third step: the driving hook that hoists, the little hook of driving a vehicle is simultaneously transferred counterweight, and the upset suspension rod hangs the vertical mill place with new universal-joint spindle to level attitude, and the little hook of driving that descends again makes universal-joint spindle to upright state;
The 4th step: horizontal shift-in universal-joint spindle is to the reductor joint, universal-joint spindle unclamps the 2t cucurbit after being placed on and connecing on the axle bearing, and contraposition is connected with the reductor joint with the universal-joint spindle chieftain to promote suspension rod, takes the suspension rod anchor ear after connecting apart, shift out suspension rod, finish new universal-joint spindle and install.
After adopting technique scheme, the special-purpose suspension rod and the using method thereof of replacing vertical mill universal-joint spindle of the present invention have the following advantages:
1. the suspension rod material is easy to get, and makes simple and easy, with low cost;
2. utilize suspension rod to remove or install the universal-joint spindle realization efficiently, reliably, fast;
3. anchor ear is connected firmly, and slippage can not take place, support personnel, device security.
Description of drawings
Fig. 1 is the universal-joint spindle and the reductor of embodiments of the invention, and universal-joint spindle and anchor ear bonded assembly position view;
Fig. 2 is the hanging rod structure scheme drawing of embodiments of the invention;
Fig. 3 is the universal-joint spindle demolishing process scheme drawing of embodiments of the invention;
Fig. 4 is the new universal-joint spindle installation process scheme drawing of embodiments of the invention.
Among the figure: 1 vertical mill universal-joint spindle, 2 reductors, 3 driving hooks, the little hook of 4 drivings, 5 anchor ears, 6 suspension rods, 7 big hangers, 8 hangers, 9 bolts, 10 counterweight frame, 11 round steel billets, 12 cucurbits, 13 handles, 14 hinges, anchor ear position during 51 installations, anchor ear position during 52 dismountings.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Now see also Fig. 1 and Fig. 2, Fig. 1 is the universal-joint spindle and the reductor of embodiments of the invention, and universal-joint spindle and anchor ear bonded assembly position view; Fig. 2 is the hanging rod structure scheme drawing of embodiments of the invention.As shown in the figure, described suspension rod 6 is 300x200mm box beam steel construction pieces, and the centre is provided with big hanger 7, one ends and is provided with one and becomes 135 ° of bonded assembly Connection Blocks with described suspension rod (6), and the other end is provided with a counterweight element;
Described anchor ear is the two halves chip anchor ear 5 of semi-annular shape, captive joint with the Connection Block of described suspension rod 6 with bolt 9, so that described anchor ear 5 is connected for 6 one-tenth 135 ° with described suspension rod, the two halves chip anchor ear 5 of described semi-annular shape is provided with leader 13 respectively on two halves sheet anchor ear, be convenient to when manual operation, catch two handle locking anchor ears, also be provided with a hinge 14 that flexibly connects each other between the two halves sheet anchor ear of the two halves chip anchor ear 5 of described semi-annular shape, it is easy to use to allow them lump together;
Described counterweight element is provided with a counterweight frame 10 of captiveing joint with suspension rod 6, and the middle part of described counterweight frame 10 is provided with a hanger 8, and setting is made counterweight by three sections fixing round steel billets of counterweight gusset in the described counterweight frame 10.
The using method that rolling mill universal of the present invention connects the special-purpose suspension rod of axle may further comprise the steps:
I, remove universal-joint spindle from vertical mill:
Fig. 3 is the universal-joint spindle demolishing process scheme drawing of embodiments of the invention, simultaneously with reference to figure 1.
First step: make anchor ear 5 according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; Provide one to be provided with the drive a vehicle driving of little hook of 20t driving hook and a 5t, hang big hanger, and state hanger in the middle part of the counterweight frame with the little hook block residence of driving a vehicle with the driving hook;
Second step: when the suspension rod level was hung the rolling on edge rolling mill universal and connect the axial region position, the little hook of driving a vehicle was transferred counterweight, put to connect to the anchor ear of suspension rod and rolling on edge rolling mill universal to get final product when axle is vertical state;
Third step: the height of adjusting anchor ear 51 arrives bottom, universal-joint spindle collapsible joint place (universal-joint spindle telescopic joint place can not skid off in the time of can guaranteeing to sling), the translation suspension rod is to the universal-joint spindle position, the workmen stands on the inspection platform that temporarily provides and embraces universal-joint spindle reliably with anchor ear, remove universal-joint spindle and be connected, and break away from original holding position with the top of reductor;
The 4th step: driving hook parallel motion is thrown off universal-joint spindle with universal-joint spindle and is supported and the reductor position, rise the little hook of driving, allow suspension rod to level attitude, hang out universal-joint spindle, after winching to old universal-joint spindle putting position, rise the little hook of driving again and to level attitude, put down universal-joint spindle by universal-joint spindle;
II is installed a new universal-joint spindle and is entered vertical mill:
Fig. 4 is the new universal-joint spindle installation process scheme drawing of embodiments of the invention, simultaneously with reference to figure 1.
First step: make anchor ear 5 according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; Provide one to be provided with the drive a vehicle driving of little hook of 20t driving hook and a 5t, hang big hanger, and state hanger in the middle part of the counterweight frame with the little hook block residence of driving a vehicle with the driving hook;
Second step: behind the suspension rod of slinging with driving a vehicle, rise the little hook of driving the suspension rod anchor ear is turn to level attitude; Embrace the universal-joint spindle top sub position (i.e. anchor ear 51 positions in the universal-joint spindle demolishing process of embodiments of the invention below) of horizontal positioned with anchor ear 52; One 2t cucurbit 12 is provided, and its top hangs on the anchor ear hanger, and the bottom (telescopic joint can not skid off when universal-joint spindle was sling in assurance) of universal-joint spindle is held in the bottom;
Third step: the driving hook that hoists, the little hook of driving a vehicle is simultaneously transferred counterweight, and the upset suspension rod hangs the vertical mill place with new universal-joint spindle to level attitude, and the little hook of driving that descends again makes universal-joint spindle to upright state;
The 4th step: horizontal shift-in universal-joint spindle is to the reductor joint, universal-joint spindle unclamps 2t cucurbit 12 after being placed on and connecing on the axle bearing, and contraposition is connected with the reductor joint with the universal-joint spindle chieftain to promote suspension rod, takes the suspension rod anchor ear after connecting apart, shift out suspension rod, finish new universal-joint spindle and install.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique under the situation that does not break away from the spirit and scope of the present invention, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.

Claims (5)

1. a special-purpose suspension rod of changing the vertical mill universal-joint spindle comprises suspension rod, and anchor ear and counterweight element is characterized in that:
Described suspension rod (6) is a box beam steel construction piece, and the centre is provided with a big hanger (7), and an end is provided with one and becomes 135 ° of bonded assembly Connection Blocks with described suspension rod (6), and the other end is provided with a counterweight element;
Described anchor ear is the two halves chip anchor ear (5) of semi-annular shape, captives joint with the Connection Block of described suspension rod (6) with bolt (9), is connected so that described anchor ear (5) becomes 135 ° with described suspension rod (6);
Described counterweight element is provided with a counterweight frame (10) of captiveing joint with suspension rod (6), and the middle part of described counterweight frame (10) is provided with a hanger (8), and is provided with counterweight in the described counterweight frame (10).
2. the special-purpose suspension rod of replacing vertical mill universal-joint spindle as claimed in claim 1 is characterized in that, the two halves chip anchor ear (5) of described semi-annular shape is provided with leader (13) respectively on two halves sheet anchor ear.
3. the special-purpose suspension rod of replacing vertical mill universal-joint spindle as claimed in claim 1 is characterized in that, is provided with a hinge (14) that flexibly connects each other between the two halves sheet anchor ear of the two halves chip anchor ear (5) of described semi-annular shape.
4. the special-purpose suspension rod of replacing vertical mill universal-joint spindle as claimed in claim 1, it is characterized in that, counterweight in the described counterweight frame (10) is some round steel billets (11), and described some round steel billets (11) are fixed in the described counterweight frame (10) by the counterweight gusset.
5. using method of changing the special-purpose suspension rod of vertical mill universal-joint spindle is characterized in that may further comprise the steps:
I, remove universal-joint spindle from vertical mill:
First step: make anchor ear according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; Provide one to be provided with the driving hook and the driving of the little hook of driving a vehicle, hang big hanger, and state the hanger at counterweight frame middle part with the little hook block of driving residence with the driving hook;
Second step: when the suspension rod level was hung the rolling on edge rolling mill universal and connect the axial region position, the little hook of driving a vehicle was transferred counterweight, put to connect to the anchor ear of suspension rod and rolling on edge rolling mill universal to get final product when axle is vertical state;
Third step: the height of adjusting anchor ear arrives bottom, universal-joint spindle collapsible joint place, the translation suspension rod is to the universal-joint spindle position, the workmen stands on the inspection platform that temporarily provides and embraces universal-joint spindle reliably with anchor ear, remove universal-joint spindle and be connected, and break away from original holding position with the top of reductor;
The 4th step: driving hook parallel motion is thrown off universal-joint spindle with universal-joint spindle and is supported and the reductor position, rise the little hook of driving, allow suspension rod to level attitude, hang out universal-joint spindle, after winching to old universal-joint spindle putting position, rise the little hook of driving again and to level attitude, put down universal-joint spindle by universal-joint spindle;
II is installed a new universal-joint spindle and is entered vertical mill
First step: make anchor ear according to the universal-joint spindle diameter, captive joint with the Connection Block of described suspension rod with bolt, so that described anchor ear becomes 135 ° to be connected with described suspension rod; One driving that is provided with driving hook and the little hook of a driving is provided, hangs big hanger, and state hanger in the middle part of the counterweight frame with the little hook block residence of driving a vehicle with the driving hook;
Second step: behind the suspension rod of slinging with driving a vehicle, rise the little hook of driving the suspension rod anchor ear is turn to level attitude; Embrace the universal-joint spindle top sub position of horizontal positioned with anchor ear; One 2t cucurbit is provided, and its top hangs on the anchor ear hanger, and the bottom of universal-joint spindle is held in the bottom;
Third step: the driving hook that hoists, the little hook of driving a vehicle is simultaneously transferred counterweight, and the upset suspension rod hangs the vertical mill place with new universal-joint spindle to level attitude, and the little hook of driving that descends again makes universal-joint spindle to upright state;
The 4th step: horizontal shift-in universal-joint spindle is to the reductor joint, universal-joint spindle unclamps the 2t cucurbit after being placed on and connecing on the axle bearing, and contraposition is connected with the reductor joint with the universal-joint spindle chieftain to promote suspension rod, takes the suspension rod anchor ear after connecting apart, shift out suspension rod, finish new universal-joint spindle and install.
CN201010202237.XA 2010-06-17 2010-06-17 Special suspender to replace vertical mill universal connecting shafts and use method thereof Active CN102285581B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601066A (en) * 2013-11-19 2014-02-26 中冶天工集团有限公司 Lifting tool for hoisting equipment positioned on concealing position and hoisting method
CN104016224A (en) * 2014-06-17 2014-09-03 重庆钢铁(集团)有限责任公司 Auxiliary device for hoisting guiding and guarding beam of closed rolling mill
CN104555715A (en) * 2014-12-23 2015-04-29 中国一冶集团有限公司 Multi-suspension point eccentric special sling
CN105776044A (en) * 2016-04-26 2016-07-20 中国三冶集团有限公司 Lifting appliance special for demounting and mounting of universal coupling on vertical mill and application method of lifting device
CN107866551A (en) * 2017-11-27 2018-04-03 重庆市志乾铸造厂 A kind of device for casting upset
CN108483293A (en) * 2018-03-30 2018-09-04 五冶集团上海有限公司 A kind of device of quick inspection vertical mill shaft gear abrasion
CN109230978A (en) * 2018-10-31 2019-01-18 广州黄船海洋工程有限公司 A kind of combined type arm beam of steelyard lifting beam device and its hanging method
CN111451734A (en) * 2020-04-08 2020-07-28 鞍钢股份有限公司 Method for quickly and safely replacing main transmission connecting rod of rolling mill

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU501959A1 (en) * 1974-03-01 1976-02-05 Ждановский Филиал Украинского Государственного Института По Проектированию Металлургических Заводов Lifting bar for cantilever lifting and transporting cargo
JPH0930769A (en) * 1995-07-13 1997-02-04 Toshiba Eng & Constr Co Ltd Bushing suspension balance
CN2581408Y (en) * 2002-07-15 2003-10-22 武汉钢铁(集团)公司 Device for mounting building structural members
CN201217605Y (en) * 2008-05-29 2009-04-08 中冶天工上海十三冶建设有限公司 Lever-type sling
CN201338905Y (en) * 2009-01-22 2009-11-04 武汉冶建安装工程有限责任公司 Lifting appliance for lifting and conveying vertical universal joint spindle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU501959A1 (en) * 1974-03-01 1976-02-05 Ждановский Филиал Украинского Государственного Института По Проектированию Металлургических Заводов Lifting bar for cantilever lifting and transporting cargo
JPH0930769A (en) * 1995-07-13 1997-02-04 Toshiba Eng & Constr Co Ltd Bushing suspension balance
CN2581408Y (en) * 2002-07-15 2003-10-22 武汉钢铁(集团)公司 Device for mounting building structural members
CN201217605Y (en) * 2008-05-29 2009-04-08 中冶天工上海十三冶建设有限公司 Lever-type sling
CN201338905Y (en) * 2009-01-22 2009-11-04 武汉冶建安装工程有限责任公司 Lifting appliance for lifting and conveying vertical universal joint spindle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601066A (en) * 2013-11-19 2014-02-26 中冶天工集团有限公司 Lifting tool for hoisting equipment positioned on concealing position and hoisting method
CN103601066B (en) * 2013-11-19 2015-10-21 中冶天工集团有限公司 A kind of for lifting the suspender and hanging method that are positioned at concealed location place equipment
CN104016224A (en) * 2014-06-17 2014-09-03 重庆钢铁(集团)有限责任公司 Auxiliary device for hoisting guiding and guarding beam of closed rolling mill
CN104016224B (en) * 2014-06-17 2016-01-06 重庆钢铁(集团)有限责任公司 A kind of closed type mill guide beam hoisting auxiliary device
CN104555715A (en) * 2014-12-23 2015-04-29 中国一冶集团有限公司 Multi-suspension point eccentric special sling
CN105776044A (en) * 2016-04-26 2016-07-20 中国三冶集团有限公司 Lifting appliance special for demounting and mounting of universal coupling on vertical mill and application method of lifting device
CN107866551A (en) * 2017-11-27 2018-04-03 重庆市志乾铸造厂 A kind of device for casting upset
CN108483293A (en) * 2018-03-30 2018-09-04 五冶集团上海有限公司 A kind of device of quick inspection vertical mill shaft gear abrasion
CN109230978A (en) * 2018-10-31 2019-01-18 广州黄船海洋工程有限公司 A kind of combined type arm beam of steelyard lifting beam device and its hanging method
CN111451734A (en) * 2020-04-08 2020-07-28 鞍钢股份有限公司 Method for quickly and safely replacing main transmission connecting rod of rolling mill

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