CN102029291B - Bowed roll block fast replacing device for rolling mill - Google Patents

Bowed roll block fast replacing device for rolling mill Download PDF

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Publication number
CN102029291B
CN102029291B CN201010547259XA CN201010547259A CN102029291B CN 102029291 B CN102029291 B CN 102029291B CN 201010547259X A CN201010547259X A CN 201010547259XA CN 201010547259 A CN201010547259 A CN 201010547259A CN 102029291 B CN102029291 B CN 102029291B
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CN
China
Prior art keywords
block
mill roll
hoistable platform
jack
dolly
Prior art date
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CN201010547259XA
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Chinese (zh)
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CN102029291A (en
Inventor
周井兵
刘鹏
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中冶京诚工程技术有限公司
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Priority to CN201010547259XA priority Critical patent/CN102029291B/en
Publication of CN102029291A publication Critical patent/CN102029291A/en
Application granted granted Critical
Publication of CN102029291B publication Critical patent/CN102029291B/en

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Abstract

The invention provides a bowed roll block fast replacing device for a rolling mill, which at least comprises a bowed roll block replacing trolley, a lifting platform and a jack, wherein the lifting platform is arranged above the bowed roll block replacing trolley and can make vertical movement relative to the bowed roll block replacing trolley; and the jack is arranged between the bowed roll block replacing trolley and the lifting platform and is used for controlling the lifting platform to ascend or descend. The bowed roll block fast replacing device for a rolling mill has simple structure, is convenient to operate, can realize the fast disassembly or assembly of bowed roll blocks of the rolling mill, greatly improves the operating efficiency, greatly lowers the labor intensity and shortens the equipment maintenance time.

Description

Mill roll bending piece quick replacement device

Technical field

The present invention relates to a kind of mill roll bending block changing device, the especially a kind of mill roll bending piece quick replacement device that the mill roll bending piece can be changed fast, enhance productivity.

Background technology

At present, strip-mill strip is provided with roll-bending device at the operation roll of mill two ends usually in order to improve rolling quality.Just disclose a kind of " operation roll of mill just/negative roll-bending device " like " 200820114799.9 " number Chinese patent, this device is to put four following roller bending blocks that are provided with roller bending block on four and match with it at upper and lower working roll bearings at both ends seat.Through roll-bending device, adjust template, guaranteed the just curved or negative curved function of working roll, be implemented in the operation of rolling the control of plate shape, improved strip shape quality.

And in the use of milling train, because the replacing of fallible component in the wearing and tearing of roller bending block and the roller bending block need disassemble roller bending block during maintenance, and also will be reinstalled onto roller bending block in the milling train after fixing from milling train.Because the operating space that roller bending block is heavier and milling train is interior is narrow and small, environment is abominable, this has just caused the maintenance dismounting of roller bending block very difficult, and labor strength is very big.

Because the defective that above-mentioned known technology exists, the inventor develops mill roll bending piece quick replacement device of the present invention according to the production design experiences of being engaged in this area and association area for many years.

Summary of the invention

The more changing device that the purpose of this invention is to provide a kind of mill roll bending piece, especially a kind of mill roll bending piece quick replacement device that can alleviate labor strength, enhance productivity.

For this reason, the present invention proposes a kind of mill roll bending piece quick replacement device, and it comprises at least: roller bending block is changed dolly; Hoistable platform is arranged on the top that said roller bending block is changed dolly, and it is upper and lower mobile to change dolly with respect to said roller bending block; Jack is arranged on said roller bending block and changes between dolly and the said hoistable platform, controls hoisting or descending of said hoistable platform.

Above-mentioned mill roll bending piece quick replacement device, wherein, the bottom of said hoistable platform is provided with four guide pillars, and said roller bending block is changed dolly and is provided with four guide pin bushings, every corresponding the insertion in the said guide pin bushing of said guide pillar, and can be upper and lower mobile in said guide pin bushing.

Above-mentioned mill roll bending piece quick replacement device, wherein, said roller bending block is changed on the dolly has two guide posts that are oppositely arranged, and is respectively equipped with guide rail on the corresponding face of two said guide posts; The bottom of said hoistable platform is provided with a sliding shoe, two corresponding sides of this sliding shoe be respectively equipped with said guide posts on the guide block that matches of the guide rail that is provided with, the push rod of said jack is resisted against said guide block.

Above-mentioned mill roll bending piece quick replacement device; Wherein, said mill roll bending piece quick replacement device further includes retainer, and the outside of said retainer is fixedly connected with said guide pin bushing; Be provided with a through hole in the said retainer, said jack is placed in the said through hole.

Above-mentioned mill roll bending piece quick replacement device, wherein, the bottom of said sliding shoe is provided with through slot, and the periphery of a retainer and the madial wall of said through slot fix, and are provided with a through hole in the said retainer, and said jack is placed in the said through hole.

Above-mentioned mill roll bending piece quick replacement device, wherein, said mill roll bending piece quick replacement device further includes cushion block, and said cushion block is arranged on said roller bending block and changes on the dolly, and is positioned at the bottom of said jack.

Above-mentioned mill roll bending piece quick replacement device, wherein, the bottom that said roller bending block is changed dolly is provided with wheel, can make said roller bending block change dolly and push or pull out milling train.

Above-mentioned mill roll bending piece quick replacement device, wherein, the top of said guide pin bushing or guide posts is provided with the supporting part, and said hoistable platform can be placed on this supporting part.

The characteristics and the advantage of mill roll bending piece quick replacement device of the present invention are:

1, mill roll bending piece quick replacement device of the present invention is provided with the upper and lower mobile hoistable platform of ability through changing at roller bending block on the dolly; And drive hoistable platform through jack and carry out height adjustment; Can make things convenient for and fast hoistable platform risen to the bottom of roller bending block; Be convenient to milling train install and during maintenance to the dismounting of roller bending block, greatly reduce working strength of workers, improved operating efficiency.

2, the present invention through be fixed on retainer on the guide pin bushing or the through slot of sliding shoe in; And jack is placed in the through hole that the retainer center is provided with; Thereby make jack be in erectility all the time, even hoistable platform has carried roller bending block, under the state of discontinuity equalization; Or said mill roll bending piece quick replacement device integral body is when producing vibration or situation such as rocking under external force; Said retainer also can prevent the jack occurrence of tilting, has guaranteed the operate as normal of equipment, and has improved device '.

3, mill roll bending piece quick replacement device of the present invention is provided with cushion block owing to can change at roller bending block on the dolly,, therefore can effectively increase the effective travel of hoistable platform, and then increase the lifting height of hoistable platform the jack bed hedgehopping through cushion block.Through changing the thickness of cushion block, just can suitably increase the lifting height of hoistable platform, and need not be replaced into the jack of bigger stroke specification.In addition, between jack and dolly, cushion block is set, can also makes things convenient for the dismounting and the installation of jack, both improved utilization ratio of the present invention, reduced use cost again.

In a word, mill roll bending piece quick replacement device of the present invention simple in structure is convenient to operation, can realize the fast quick-detach or the assembling of mill roll bending piece, improved operating efficiency greatly, reduced labour intensity significantly simultaneously, shortened the apparatus maintenance time.

Description of drawings

Following accompanying drawing only is intended to the present invention is done schematic illustration and explanation, not delimit the scope of the invention.Wherein,

Fig. 1 is the structural representation of mill roll bending piece quick replacement device of the present invention;

Fig. 2 is the cross-sectional schematic along A-A line among Fig. 1;

Structural representation when Fig. 3 is the hoistable platform lifting in the mill roll bending piece quick replacement device of the present invention;

Fig. 4 is the course of work sketch map of mill roll bending piece quick replacement device of the present invention, shows the course of action of the present invention when dismounting mill roll bending piece;

Fig. 5 is the structural representation of another embodiment of mill roll bending piece quick replacement device of the present invention;

Structural representation when Fig. 6 is the hoistable platform lifting among another embodiment of mill roll bending piece quick replacement device of the present invention;

Fig. 7 is the cross-sectional schematic along B-B line among Fig. 6.

The drawing reference numeral explanation

1 roller bending block is changed dolly 11 guide pin bushings 111 supporting parts

12 wheels, 13 guide posts, 14 guide rails

15 strengthen gusset 2 hoistable platforms 21 guide pillars

3 jack, 4,8 retainers, 41,81 through holes

5 cushion blocks, 6 milling trains, 61 mill roll bending pieces

62 accommodation spaces, 63 frames, 7 sliding shoes

70 guide blocks, 71 through slots

The specific embodiment

The present invention provides a kind of mill roll bending piece quick replacement device; This device comprises roller bending block replacing dolly, hoistable platform and jack at least; Wherein, hoistable platform is arranged on the top that said roller bending block is changed dolly, and it is upper and lower mobile to change dolly with respect to said roller bending block; Jack is arranged on said roller bending block and changes between dolly and the said hoistable platform, controls hoisting or descending of said hoistable platform.Mill roll bending piece quick replacement device of the present invention not only is easy to the quick replacing to the mill roll bending piece, and can alleviates labor strength, enhances productivity.

Understand in order technical characterictic of the present invention, purpose and effect to be had more clearly, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, characteristic and the function of the mill roll bending piece quick replacement device that the present invention is proposed, specify as after.In addition, through the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to go deep into more concrete understanding to the present invention, yet institute's accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.

Embodiment 1

Fig. 1 is the structural representation of mill roll bending piece quick replacement device of the present invention; Fig. 2 is the cross-sectional schematic along A-A line among Fig. 1; Structural representation when Fig. 3 is the hoistable platform lifting in the mill roll bending piece quick replacement device of the present invention.

As shown in the figure; Mill roll bending piece quick replacement device of the present invention comprises: roller bending block is changed dolly 1; Be arranged on said roller bending block and change the hoistable platform 2 on dolly 1 top; Said hoistable platform 2 can be changed dolly 1 upper and lower moving with respect to said roller bending block, and is arranged on said roller bending block and changes the jack 3 between dolly 1 and the hoistable platform 2, can control hoisting of said hoistable platform 2 or descends through said jack 3.

In one embodiment of the invention, said hoistable platform 2 is to connect in succession through slip cap with roller bending block replacing dolly 1.Specifically see also Fig. 1,2, the bottom of hoistable platform 2 is provided with four guide pillars 21, and said roller bending block is changed dolly 1 and is provided with four guide pin bushings 11, every said guide pillar 21 corresponding insertions in the said guide pin bushing 11, and can be upper and lower mobile in said guide pin bushing 11.Because it is separable with hoistable platform 2 that said roller bending block is changed dolly 1, when the present invention does not use, can said hoistable platform 2 be taken out from the guide pin bushing 11 of said roller bending block replacing dolly 1, to reduce the volume of equipment, save parking space, and convenient transportation.It is to be noted; The quantity of above-mentioned guide pin bushing 11 is not exceeded with four, such as being one, three ... Or the like, promptly in hoistable platform 2 upper and lower moving process; Can make the guide pin bushing quantity of its firm carrying mill roll bending piece weight, all belong to protection scope of the present invention.

Wherein, said mill roll bending piece quick replacement device can also be provided with retainer 4, and the outside of said retainer 4 is fixedly connected with said guide pin bushing 11, is fixedly connected as adopting known modes such as welding, rivet clasp between the two.The middle part of said retainer 4 is provided with a through hole 41, and said jack 3 is placed in the said through hole 41.Through said retainer 4 is set, can keep jack 3 to be in erectility, prevent its occurrence of tilting, guarantee the equipment operate as normal, and improved device '.

Another optional scheme is, said mill roll bending piece quick replacement device can also be provided with cushion block 5, and said cushion block 5 is arranged on the top that said roller bending block is changed dolly 1, and is positioned at the bottom of said jack 3.Through bottom cushion block 5 is set at jack 3, on the one hand, owing to increased the height of jack 3; When adopting the less jack of lifting stroke, just can hoistable platform 2 be given rise to the height of needs, effectively reduced the stroke of jack; Improved job stability of the present invention, in other words, through cushion block 5 is set; Can effectively increase the effective travel of said hoistable platform 2, not need said jack 3 is replaced into the jack of bigger stroke specification, just can hoistable platform be given rise to higher height; Both improve utilization ratio of the present invention, reduced use cost again; On the other hand, through cushion block 5 is set, can make things convenient for the dismounting and the installation of jack; On the one hand,, can also adjust the lift height of mill roll bending piece quick replacement device of the present invention easily again through changing this cushion block 5.

Further; Correspondence is provided with supporting part 111 at the top of said guide pin bushing 11; This supporting part 111 is the middle plate-shaped member that through hole is arranged; Its with said guide pin bushing 11 between to adopt known manner such as weld, be threaded affixed, said each guide pillar 21 then passes in corresponding each said guide pin bushing 11 of through hole insertion of said supporting part 111.Said supporting part 111 can have certain flexible material by rubber etc. and process.Through this supporting part 111 is set, on the one hand, said hoistable platform 2 can directly be placed on this supporting part 111 when low level, like this, can increase the contact area of guide pin bushing 11 and hoistable platform 2; On the other hand, when supporting part 111 when processing by the rubber-like material, in the decline process of hoistable platform 2, the effect of buffering can also be played in this supporting part 111, thereby has improved the stationarity of hoistable platform 2 when descending, and has reduced the damage to guide pin bushing 11.

In addition, the bottom that said roller bending block is changed dolly 1 also is provided with wheel 12, can make roller bending block change dolly 1 and can push or pull out milling train fast.

See also Fig. 1,3, operation principle of the present invention is: said hoistable platform 2 places said roller bending block to change on the dolly 1, guide pillar 21 corresponding the insertions in the guide pin bushing 11 of its underpart; Said jack 3 is placed on the top that said roller bending block is changed dolly 1; Its push rod can be resisted against the lower plane of said hoistable platform 2; And rising or decline through the control push rod, make the said hoistable platform 2 can be upper and lower mobile in said roller bending block is changed the guide pin bushing 11 of dolly 1 through guide pillar 21.In order to prevent that jack 3 is because of vibration or the situation occurrence of tilting such as rock; Make its firm erectility that is in; Reliability in the raising work, the present invention also is provided with retainer 4, and this retainer 4 is fixedly connected with guide pin bushing 11; Jack 3 is nested with in the through hole 41 of retainer 4, and its push rod can be resisted against the lower plane of hoistable platform 2.In addition; The top that said roller bending block is changed dolly 1 can also be provided with cushion block 5; And jack 3 is placed on this cushion block 5, through cushion block 5 is set, under the situation of the jack that does not need said jack 3 is replaced into bigger stroke specification; Just can hoistable platform be given rise to higher height, increase the effective travel of said hoistable platform 2.In addition; After the installation of accomplishing the mill roll bending piece or changing; Through at first this cushion block 5 being taken out from the bottom of jack, just can easily jack 3 be fallen and place roller bending block to change on the dolly, so that jack 3 is shifted out from said roller bending block replacing dolly 1; This jack 3 can also be used for other work, has improved the utilization ratio of equipment greatly.

Fig. 4 is the course of work sketch map of mill roll bending piece quick replacement device of the present invention, shows the course of action of the present invention when dismounting mill roll bending piece.

See also Fig. 4; When the mill roll bending piece 61 of milling train 6 needs repairing, when dismantling, adjusts the height of the jack 3 of mill roll bending piece quick replacement device of the present invention, make hoistable platform 2 be in low level; And it is corresponding with the height of the accommodation space 62 of milling train 6; To prevent that hoistable platform 2 and other parts in the milling train 6 from interfering, subsequently, roller bending block is changed dolly 1 push in the milling train 6 from the outside of the frame 63 of milling train 6; Said hoistable platform 2 is correspondingly positioned in the accommodation space 62, and place mill roll bending piece 61 that need to change under.Rise said jack 3, said hoistable platform 2 is risen hold mill roll bending piece 61, afterwards, mill roll bending piece 61 is disassembled from frame 63; Be placed on the hoistable platform 2, and mill roll bending piece 61 is moved to the centre position of hoistable platform 2, its objective is: on the one hand, can let each guide pillar of hoistable platform 2 stressed evenly; Guarantee 61 firm being placed on the hoistable platform 2 of mill roll bending piece, prevent that hoistable platform 2 from falling to an inclination because of unbalance stress, improves stability and reliability; The trouble free service of assurance equipment, on the other hand, because the operating space of milling train 6 is narrow and small; Complex structure also is equiped with various parts on it, mill roll bending piece 61 is placed the centre position; When roller bending block replacing dolly 1 is pulled out milling train, can also avoid mill roll bending piece 61 and other parts of milling train 6 to collide, prevent milling train 6 is caused damage.Be placed on the centre position of hoistable platform 2 at mill roll bending piece 61 after; Reduce the height of jack 3; Make hoistable platform 2 be returned to the initial low-end trim in the milling train 6 that pushes; Promptly with the position of the accommodation space 62 corresponding height of milling train 6, the roller bending block that mill roll bending piece 61 will be housed is again changed dolly 1 and in milling train 6, is pulled out stably, thereby accomplishes the unloading process of mill roll bending piece 61.

When assembling mill roll bending piece, the course of work of mill roll bending piece quick replacement device of the present invention, opposite with above-mentioned unloading process, and operation principle is identical with beneficial effect, so repeat no more at this.

In the mill roll bending piece quick replacement device that the present invention proposes, that more than describes is merely the preferred embodiment of the present invention, is not to limit scope of the present invention and concrete structure; Such as, in other possible implementation, also can jack 3 be contained in the guide pin bushing 11; And cancellation retainer 4; So design can guarantee that not only jack 3 is in erectility fully, reaches than is provided with retainer 4 better fixed effects.In addition, when hoistable platform 2 was not worked, jack 3 can also carry the weight of hoistable platform 2, can alleviate the pressure of 2 pairs of guide pin bushings 11 of hoistable platform, had prolonged service life of the present invention again.

Embodiment 2

Fig. 5 is the structural representation of another embodiment of mill roll bending piece quick replacement device of the present invention; Structural representation when Fig. 6 is the hoistable platform lifting among another embodiment of mill roll bending piece quick replacement device of the present invention; Fig. 7 is the cross-sectional schematic along B-B line among Fig. 6.In this embodiment, all the other structures are identical with embodiment 1 except that lifting structure, and identical structure has adopted identical label.

As shown in the figure, on roller bending block replacing dolly 1, have two guide posts that are oppositely arranged 13, be respectively equipped with guide rail 14 on these two guide posts, 13 corresponding faces, the top of guide posts 13 is provided with supporting part 111.The bottom of hoistable platform 2 is provided with a sliding shoe 7; Two corresponding sides of this sliding shoe 7 be respectively equipped with said guide posts 13 on the guide block 70 that matches of the guide rail 14 that is provided with; The push rod of jack 3 is resisted against said guide block 70, can drive the rising or the decline of said hoistable platform 2 through the lifting of said jack 3.By means of cooperating of guide block 70 and guide rail 14, make hoistable platform 2 can carry out elevating movement stably.It is to be noted; The position that is provided with of guide rail 14 and guide block 70 is not limited to this; Its shape also is not limited to groove shown in the present embodiment figure and projection shape, and the position is set can exchanges of guide rail 14 and guide block 70 is separately positioned on it on sliding shoe 7, the guide posts 13.As long as the shape of guide rail 14 and guide block 70 can cooperatively interact, and can realize the set-up mode that hoistable platform 2 steadily goes up and down, all belong to protection scope of the present invention.

See also Fig. 5-7; The bottom of said sliding shoe 7 is provided with the periphery of through slot 71, one retainers 8 further and the madial wall of said through slot 71 fixes, and is provided with a through hole 81 in the said retainer 8; Said jack 3 is placed in the said through hole 81, and replaces the top at through slot 71.In use, through through slot 71 is set, and jack 3 is resisted against through slot 71; Can control hoistable platform 2 and have bigger lifting distance, when particularly the accommodation space 62 in the milling train 6 is positioned at lower position, through adjustment jack 3 height; Can hoistable platform 2 be reduced to lower height; With corresponding with the height of accommodation space 62, make roller bending block change dolly 1 when pushing or pull out milling train, can avoid mill roll bending piece 61 and other parts of milling train 6 to collide; Prevent milling train 6 is caused damage, the present invention can better be applicable to various working conditions.

Wherein, sliding shoe 7 can be integrally formed structure through known manner such as welding, be spirally connected and hoistable platform 2; The outer side edges of two guide posts 13 is evenly equipped with two respectively and strengthens gussets 15, and this reinforcements gusset 15 is changed dolly 1 with roller bending block simultaneously and is connected, strengthen gusset 15 can make between guide posts 13 and the roller bending block replacing dolly 1 be connected tightr; Improved the steadiness of guide posts 13; Wherein, above-mentioned reinforcement gusset 15 does not exceed with two, according to the weight of guide posts 13 needs carrying; Can suitably increase; Such as being three, four ... Or the like, and guide posts 13 and roller bending block are changed dolly 1, are strengthened can adopting welding manner affixed between the gusset 15.Other structures, operation principle and the beneficial effect of this embodiment are identical with embodiment 1, repeat no more at this.

The above is merely the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations and the modification under the prerequisite that does not break away from design of the present invention and principle, done all should belong to the scope that the present invention protects.And need to prove; Each part of the present invention is not limited in above-mentioned overall applicability; But can combine with other prior art according to actual needs, therefore, other combination relevant with this case inventive point and concrete the application have been contained in the present invention in the nature of things.

Claims (5)

1. a mill roll bending piece quick replacement device is characterized in that, said mill roll bending piece quick replacement device comprises at least:
Roller bending block is changed dolly;
Hoistable platform is arranged on the top that said roller bending block is changed dolly, and it is upper and lower mobile to change dolly with respect to said roller bending block;
Jack is arranged on said roller bending block and changes between dolly and the said hoistable platform, controls hoisting or descending of said hoistable platform;
Said roller bending block is changed on the dolly has two guide posts that are oppositely arranged, and is respectively equipped with guide rail on the corresponding face of two said guide posts; The bottom of said hoistable platform is provided with a sliding shoe, two corresponding sides of this sliding shoe be respectively equipped with said guide posts on the guide block that matches of the guide rail that is provided with, the push rod of said jack is resisted against said guide block.
2. mill roll bending piece quick replacement device as claimed in claim 1; It is characterized in that the bottom of said sliding shoe is provided with through slot, the periphery of a retainer and the madial wall of said through slot fix; Be provided with a through hole in the said retainer, said jack is placed in the said through hole.
3. according to claim 1 or claim 2 mill roll bending piece quick replacement device is characterized in that said mill roll bending piece quick replacement device further includes cushion block, and said cushion block is arranged on said roller bending block and changes on the dolly, and is positioned at the bottom of said jack.
4. the described mill roll bending piece of claim 3 quick replacement device is characterized in that, the bottom that said roller bending block is changed dolly is provided with wheel, can make said roller bending block change dolly and push or pull out milling train.
5. mill roll bending piece quick replacement device as claimed in claim 3 is characterized in that the top of said guide posts is provided with the supporting part, and said hoistable platform can be placed on this supporting part.
CN201010547259XA 2010-11-16 2010-11-16 Bowed roll block fast replacing device for rolling mill CN102029291B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010547259XA CN102029291B (en) 2010-11-16 2010-11-16 Bowed roll block fast replacing device for rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010547259XA CN102029291B (en) 2010-11-16 2010-11-16 Bowed roll block fast replacing device for rolling mill

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Publication Number Publication Date
CN102029291A CN102029291A (en) 2011-04-27
CN102029291B true CN102029291B (en) 2012-07-04

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CN103191995B (en) * 2012-01-06 2015-06-03 中联重科股份有限公司 Plate splicing device and plate splicing method
CN103192207B (en) * 2012-01-06 2015-04-08 中联重科股份有限公司 Arc-shaped plate positioning device and plate splicing device
CN104907813A (en) * 2015-06-25 2015-09-16 海安远东新材料有限公司 Semi-automatic roller change vehicle
CN106140824B (en) * 2016-08-23 2017-10-17 邯钢集团邯宝钢铁有限公司 A kind of cold rolling tension roll changing rig
CN106734222B (en) * 2016-11-28 2019-12-17 莱芜钢铁集团有限公司 Replacing device and replacing method for rolling mill lower roll upper speed reducer
CN106914493B (en) * 2017-04-05 2018-07-27 邯钢集团邯宝钢铁有限公司 A kind of Bowed roll block fast replacing device for rolling mill

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