阅读说明：本技术 一种用于可逆式轧机机架辊的更换装置及方法 (A kind of replacement device and method for reversible mill breast roll ) 是由 杨家满 胡占民 夏宏基 梁志宏 于 2018-07-18 设计创作，主要内容包括：本发明涉及一种用于可逆式轧机机架辊的更换装置,包括导轨、换辊小车、换辊平台和新型装置；其中,换辊小车位于导轨上,换辊平台固定在换辊小车上,换辊平台上设置有新型装置,新型装置由升降台、移动台和驱动装置组成,升降台与设置在框式平台上的液压缸a连接控制液压缸a升降运动；移动台与液压缸b连接形成可移动结构,移动台上设有伸缩装置,伸缩装置包括基本臂、伸缩内臂和托辊装置,所述的基本节内侧设有对称滑动导轨和液油缸c,伸缩内臂与液油缸c相连。确保安全、快速、省力的进行检修作业,解决现有更换机架辊存在的繁锁过程和不安全的隐患,并能缩短作业时间,降低维护的成本。(The present invention relates to a kind of more changing devices for reversible mill breast roll, including guide rail, roll change buggy, roll-changing platform and new device；Wherein, roll change buggy is located on guide rail, and roll-changing platform is fixed on roll change buggy, and new device is provided on roll-changing platform, new device is made of lifting platform, mobile station and driving device, and lifting platform connect control hydraulic cylinder a elevating movement with the hydraulic cylinder a being arranged on frame platform；Mobile station connect to form removable frame with hydraulic cylinder b, and mobile station is equipped with telescopic device, and telescopic device includes basic arm, flexible inner arm and support roller device, symmetrical slide rail and liquid oil cylinder c is equipped on the inside of the basic section, flexible inner arm is connected with liquid oil cylinder c.Ensure that safety, quick, labour-saving carry out upkeep operation, solves cumbersome process and unsafe hidden danger existing for existing replacement breast roll, and can be shortened the activity duration, reduce the cost of maintenance.)

1. a kind of more changing device for reversible mill breast roll, it is characterised in that: flat including guide rail, roll change buggy, roll change Platform and new device；Wherein, roll change buggy is located on guide rail, and roll-changing platform is fixed on roll change buggy, is arranged on roll-changing platform There are four identical by the positive and negative new device being evenly arranged, new device is made of lifting platform, mobile station and driving device, driving Device includes hydraulic cylinder a, hydraulic cylinder b and hydraulic cylinder c, and lifting platform connect control liquid with the hydraulic cylinder a being arranged on frame platform Cylinder pressure a elevating movement；Mobile station connect to form removable frame with hydraulic cylinder b, and mobile station is equipped with telescopic device, telescopic device Including basic arm, flexible inner arm and support roller device, it is equipped with symmetrical slide rail and liquid oil cylinder c on the inside of the basic section, is stretched Inner arm is connected with liquid oil cylinder c.

2. as described in claim 1 be used for reversible mill breast roll more changing device, it is characterised in that: the roll change buggy and The both ends of roll-changing platform are respectively arranged with location hole, and the two is fixed on guide rail by alignment pin, set on roll-changing platform There are oil pipe and valve.

3. being used for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that: the vertical cloth of the guide rail It sets on rolling centerline.

4. being used for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that: the lifting platform is by steel N shape is made in matter slab, and both sides are equipped with sliding block and bolt hole.

5. being used for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that: the mobile station is convex Type shape, and connect with lifting platform and be designed to swallow-tail form, it is fixed by pressing plate and bolt.

6. being used for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that: basic arm and it is flexible in Arm is hollow box type structure.

7. being used for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that: the support roller device It is fixed on the outer end of the flexible inner arm.

8. a kind of operating method for the more changing device of reversible mill breast roll as described in claim 1, it is characterised in that Operating procedure is:

First new device is installed to above roll change buggy before formal operation, is connected new device and trolley by alignment pin It connects assembling to be linked together, then roll change buggy is transported in mill housing and is fixed according to dress roller operation sequence, then novel The oil cylinder oil pipe that driving device on device synchronizes is correspondingly connected with the oil pipe on hydraulic control device can be operated；

(1) when operating, the direction of motion of control driving device is set in the program panel of hydraulic control device first, then again Start hydraulic control system；

(2) when needing replacing breast roll, the hydraulic valve for first opening control mobile station stretch out motion on valve platform is synchronous by mobile station Most out position is extended to breast roll two sides；Then it opens to control the hydraulic valve that flexible inner arm moves and synchronize flexible inner arm and stretch Out, until the straight support roller device caused on flexible inner arm extends to breast roll bottom；

(3) hydraulic valve for opening control lifting platform movement slowly promotes lifting platform synchronization, straight to cause support roller device that oneself is removed spiral shell The breast roll of bolt is detached from the support base on mill housing together with bearing block；

(4) it at this moment will switch the control program of hydraulic control device, the hydraulic valve for first opening the flexible inner arm recycling movement of control will The synchronous recycling at leisure of flexible inner arm opens the hydraulic of control lifting platform descending motion when support roller device withdraws initial position Lifting platform is synchronized at leisure and drops to original position by valve, and the rack of two sides is made to be in same plane；Finally open control mobile station recycling The hydraulic valve of movement slowly retracts mobile station, make the breast roll on support roller device smoothly exit mill housing frame move on to it is small On the framework platform of vehicle；

(5) after the breast roll on both sides is fully seated to the framework platform on trolley, the various of hydraulic control device can be stopped Then control operation returns to dress roll location according still further to moving back roller operation sequence trolley is exited mill housing, finally will with driving Breast roll hangs changing rig and changes new breast roll simultaneously；And it returns and fills new breast roll operating process and remove old rack Roller mode is exactly the opposite, as long as first tearing the principle filled afterwards open according to upkeep operation mark, that is, realizes the quick-replaceable machine that the present invention is arranged The operation purpose of frame roller.

Technical field

The invention belongs to steel rolling equipment technical fields, are related to a kind of for the more changing device of reversible mill breast roll and side Method.

Background technique

The two-high reversing mill of large size steel production enterprise includes on the breaking down blooming mill and plate mill of bar at present It is designed with breast roll apparatus, the main application of breast roll is for rolling conveying, output and support of the blank to milling train, position It sets and is distributed in king roller two sides, be connected and fixed with milling train two panels memorial archway, position is very limited system, and associated satellite equipment is more, replacement When travelling crane hook can not be close, and at this by steam, oxidation and there are many iron scale that generates, in addition also subject to the height of rolled piece Temperature, shock loading, the working condition of frequent positive and negative rotation, therefore roll mill must regularly replace maintenance, could maintain entirely to roll The normal work of machine equipment.

Since breast roll is located in mill housing, directly breast roll can not be directly taken out using driving, existing Technical conditions under, maintenance personal have to be removed in actual field operation it is other have hinder auxiliary device carry out expansion space, so Breast roll is slowly promoted with cucurbit afterwards, then is little by little removed to outside memorial archway, is finally walked again with traveling crane, and is returning installation The above-mentioned sequence of operation is also repeated when frame roller, process is very loaded down with trivial details, and replacement a suite of racks roller needs several classes of time, and consumption is big Manpower, great work intensity are measured, and is easy to cause safety accident in operation process, it is raw that this replacing options have been unable to satisfy high rhythm Produce the demand with maintenance cost.

Summary of the invention

In order to overcome the disadvantages mentioned above of the prior art, the present invention provides a kind of more changing the outfit for reversible mill breast roll It sets and method, the space pressure for alleviating scene can be can be good in replacing breast roll operation process, and do not influence other In the case where equipment, it is ensured that safety, quick, labour-saving carry out upkeep operation, solve cumbersome mistake existing for existing replacement breast roll Journey and unsafe hidden danger, and can be shortened the activity duration, reduce the cost of maintenance.

The technical solution adopted by the present invention to solve the technical problems is: a kind of replacement for reversible mill breast roll Device, including guide rail, roll change buggy, roll-changing platform and new device；Wherein, roll change buggy is located on guide rail, and roll-changing platform is solid It is scheduled on roll change buggy, identical by the positive and negative new device being evenly arranged there are four settings on roll-changing platform, new device is by rising Platform, mobile station and driving device composition drop, and driving device includes hydraulic cylinder a, hydraulic cylinder b and hydraulic cylinder c, and lifting platform and setting exist Hydraulic cylinder a connection on frame platform controls hydraulic cylinder a elevating movement；Mobile station connect to form removable frame with hydraulic cylinder b, Mobile station is equipped with telescopic device, and telescopic device includes basic arm, flexible inner arm and support roller device, sets on the inside of the basic section There are symmetrical slide rail and liquid oil cylinder c, flexible inner arm is connected with liquid oil cylinder c.

The both ends of the roll change buggy and roll-changing platform are respectively arranged with location hole, and are fixed the two by alignment pin On guide rail, roll-changing platform is equipped with oil pipe and valve.

The guide rail is arranged vertically on rolling centerline.

N shape is made by steel slab in the lifting platform, and both sides are equipped with sliding block and bolt hole.

The mobile station is convex shape, and connect with lifting platform and be designed to swallow-tail form, is consolidated by pressing plate and bolt It is fixed.

Wherein basic arm and flexible inner arm are hollow box type structure.

The support roller device is fixed on the outer end of the flexible inner arm.

A kind of operating method of the more changing device for reversible mill breast roll, operating procedure is:

First new device is installed to above roll change buggy before formal operation, is connected new device and trolley by alignment pin It connects assembling to be linked together, then roll change buggy is transported in mill housing and is fixed according to dress roller operation sequence, then novel The oil cylinder oil pipe that driving device on device synchronizes is correspondingly connected with the oil pipe on hydraulic control device can be operated；

(1) when operating, the direction of motion of control driving device is set in the program panel of hydraulic control device first, then again Start hydraulic control system；

(2) when needing replacing breast roll, the hydraulic valve for first opening control mobile station stretch out motion on valve platform is synchronous by mobile station Most out position is extended to breast roll two sides；Then it opens to control the hydraulic valve that flexible inner arm moves and synchronize flexible inner arm and stretch Out, until the straight support roller device caused on flexible inner arm extends to breast roll bottom；

(3) hydraulic valve for opening control lifting platform movement slowly promotes lifting platform synchronization, straight to cause support roller device that oneself is removed spiral shell The breast roll of bolt is detached from the support base on mill housing together with bearing block；

(4) it at this moment will switch the control program of hydraulic control device, the hydraulic valve for first opening the flexible inner arm recycling movement of control will The synchronous recycling at leisure of flexible inner arm opens the hydraulic of control lifting platform descending motion when support roller device withdraws initial position Lifting platform is synchronized at leisure and drops to original position by valve, and the rack of two sides is made to be in same plane；Finally open control mobile station recycling The hydraulic valve of movement slowly retracts mobile station, make the breast roll on support roller device smoothly exit mill housing frame move on to it is small On the framework platform of vehicle；

(5) after the breast roll on both sides is fully seated to the framework platform on trolley, the various of hydraulic control device can be stopped Then control operation returns to dress roll location according still further to moving back roller operation sequence trolley is exited mill housing, finally will with driving Breast roll hangs changing rig and changes new breast roll simultaneously；And it returns and fills new breast roll operating process and remove old rack Roller mode is exactly the opposite, as long as first tearing the principle filled afterwards open according to upkeep operation mark, that is, realizes the quick-replaceable machine that the present invention is arranged The operation purpose of frame roller.

The positive effect of the present invention is: the cumbersome tools such as existing utilization wirerope and chain block is eliminated, using this hair Breast roll is steadily removed mill housing itself by the mode of roll change using existing trolley by the changing rig of bright offer, is eliminated The originally tedious steps of removal or installation frame roller only from the window of mill housing, have been saved the activity duration, and dedicated More changing device and hydraulic control device it is easy to operate, substantially reduce maintenance personnel's labor intensity and security risk, the present invention mentions The quick replacement device and operating method of confession are particularly suitable for the heavy duty mill housings roller such as big stick-means of intimidation line reversing bloomer and plate mill Replace maintenance area.

Detailed description of the invention

Fig. 1 working state figure of the present invention；

Fig. 2 schematic structural view of the invention；

Fig. 3 is the A-A ' schematic diagram in Fig. 2；

Fig. 4 is the B-B ' concrete structure schematic diagram in Fig. 2.

Fig. 5 is the C-C ' concrete structure schematic diagram in Fig. 3.

In figure: 1- framework platform；2- alignment pin；3- new device；4- lifting platform；5- pressing plate；6- mobile station；7- is basic Arm；8- stretches inner arm；9- support roller device；10- hydraulic cylinder a；11- hydraulic cylinder b；12- hydraulic cylinder c；13- bolt；14- sliding block； 101- guide rail；102- roll change buggy；103- mill housing；104- breast roll；105- location hole.

Specific embodiment

Below with reference to embodiment, the present invention is further described.

A kind of more changing device for reversible mill breast roll 104, including guide rail 101, roll change buggy 102, roll change are flat Platform and new device 3；Wherein, roll change buggy 102 is located on guide rail 101, and roll-changing platform is fixed on roll change buggy 102, roll change Identical by the positive and negative new device 3 being evenly arranged there are four settings on platform, new device 3 is by lifting platform 4, mobile station 6 and drives Dynamic device composition, driving device include hydraulic cylinder a10, hydraulic cylinder b11 and hydraulic cylinder c12, and lifting platform 4 and setting are in frame platform On hydraulic cylinder a10 connection control hydraulic cylinder a10 elevating movement；Mobile station 6 connect to form removable frame with hydraulic cylinder b11, Mobile station 6 is equipped with telescopic device, and telescopic device includes basic arm 7, stretch inner arm 8 and support roller device 9, in the basic section Side is equipped with symmetrical slide rail 101 and liquid oil cylinder c, and flexible inner arm 8 is connected with liquid oil cylinder c.

The both ends of the roll change buggy 102 and roll-changing platform are respectively arranged with location hole 105, and passing through alignment pin 2 will The two is fixed on guide rail 101, and roll-changing platform is equipped with oil pipe and valve.

The guide rail 101 is arranged vertically on rolling centerline.

N shape is made by steel slab in the lifting platform 4, and both sides are equipped with 13 hole of sliding block 14 and bolt.

The mobile station 6 is convex shape, and connect with lifting platform 4 and is designed to swallow-tail form, by pressing plate 5 and bolt 13 into Row is fixed.

Wherein basic arm 7 and flexible inner arm 8 are hollow box type structure.

The support roller device 9 is fixed on the outer end of the flexible inner arm 8.

A kind of operating method of the more changing device for reversible mill breast roll 104, operating procedure is:

First new device 3 is installed to above roll change buggy 102 before formal operation, by alignment pin 2 by new device 3 with Trolley, which assembles, to be linked together, and then roll change buggy 102 is transported in mill housing 103 and is consolidated according to dress roller operation sequence It is fixed, then the oil pipe on the driving device on new device 3 synchronous oil cylinder oil pipe and hydraulic control device is correspondingly connected with Operation；

(1) when operating, the direction of motion of control driving device is set in the program panel of hydraulic control device first, then again Start hydraulic control system；

(2) it when needing replacing breast roll 104, first opens and controls the hydraulic valve of 6 stretch out motion of mobile station on valve platform for mobile station 6 It is synchronous to extend to most out position to 104 two sides of breast roll；Then it opens and controls hydraulic valve that flexible inner arm 8 moves for flexible inner arm 8 synchronous stretchings, until the straight support roller device 9 caused on flexible inner arm 8 extends to 104 bottom of breast roll；

(3) hydraulic valve that control lifting platform 4 moves is opened slowly to promote the synchronization of lifting platform 4, it is straight that support roller device 9 is caused to remove oneself The breast roll 104 of bolt 13 is detached from the support base on mill housing 103 together with bearing block；

(4) it at this moment will switch the control program of hydraulic control device, the hydraulic valve for first opening the flexible recycling of inner arm 8 movement of control will Synchronous recycling opens the liquid of control 4 descending motion of lifting platform when support roller device 9 withdraws initial position to flexible inner arm 8 at leisure Lifting platform 4 is synchronized at leisure and drops to original position by pressure valve, and the rack of two sides is made to be in same plane；Finally open control mobile station 6 The hydraulic valve of recycling movement slowly retracts mobile station 6, and the breast roll 104 on support roller device 9 is made smoothly to exit mill housing 103 frames move on on the framework platform 1 of trolley；

(5) after the breast roll 104 on both sides is fully seated to framework platform 1 on trolley, hydraulic control device can be stopped Then various controls operation returns to dress roll location according still further to moving back roller operation sequence trolley is exited mill housing 103, finally uses Breast roll 104 is hung changing rig and changes new breast roll 104 simultaneously by driving；And it returns and fills new breast roll 104 and operated Journey breast roll 104 mode old with dismounting is exactly the opposite, as long as first tearing the principle filled afterwards open according to upkeep operation mark, that is, realizes this hair The operation purpose of the quick-replaceable breast roll 104 of bright setting.

Present invention eliminates existing using cumbersome tools such as wirerope and chain blocks, is filled using roll change provided by the invention It sets and breast roll 104 is steadily removed into mill housing 103 itself by the mode of roll change using existing trolley, eliminate originally only From the window of mill housing 103 remove or installation frame roller 104 tedious steps, saved the activity duration, and it is dedicated more Changing device and hydraulic control device it is easy to operate, substantially reduce maintenance personnel's labor intensity and security risk, the present invention provides Quick replacement device and operating method be particularly suitable for the heavy duty mill housings such as big stick-means of intimidation line reversing bloomer and plate mill roller 104 Replace maintenance area.