CN106282498A - The replacing options of cold rolled continuous annealing stove furnace roller - Google Patents
The replacing options of cold rolled continuous annealing stove furnace roller Download PDFInfo
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- CN106282498A CN106282498A CN201510285858.1A CN201510285858A CN106282498A CN 106282498 A CN106282498 A CN 106282498A CN 201510285858 A CN201510285858 A CN 201510285858A CN 106282498 A CN106282498 A CN 106282498A
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- bearing
- roller
- furnace roller
- bearing block
- axle
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Abstract
The present invention relates to the replacing options of a kind of cold rolled continuous annealing stove furnace roller, comprise the steps: step one: remove bolt inside the flange plate bolt on guard rail, Hooks coupling universal coupling, furnace wall, expansion joint;Step 2: remove axle locking cap fore side and the bearing of driving side and bearing enclosure, axle sleeve;Step 3: fore side bearing block is removed;Step 4: old furnace roller is removed;Step 5: furnace roller is installed to stove;Step 6: return dress bearing block and telescopic joint, axle sleeve, bearing block sealing, bearing, lock nut;Step 7: furnace roller installation accuracy adjusts.The present invention improves replacing and the efficiency of assembling of cold-rolling continuous annealing unit furnace roller, decreases the probability causing mounted spare to damage and scrap because of the reason of assembly method, saves spare parts cost, reduce labor intensity.
Description
Technical field
The present invention relates to the replacing options of a kind of cold-rolling equipment, the specifically replacing options of cold rolled continuous annealing stove furnace roller.
Background technology
When current cold rolling mill continuous annealing furnace is changed, when using tradition to draw horse to remove bearing, shaft strength may be made uneven, bearing is caused to extract, during removing furnace roller in the past, before hanging out and installing furnace roller, we are generally by 4 jackscrews of both sides jack-up simultaneously, repeatedly construction finds the most easily to be installed so that jackscrew cannot take out by furnace roller at furnace roller installation rear drive side jackscrew, causing us must not to cut off hitting curved part less than in stove, this not only increases the amount of labour but also the significant delays duration.
Summary of the invention
It is contemplated that overcome the defect of prior art, it is provided that the replacing options of a kind of cold rolled continuous annealing stove furnace roller, improve work efficiency and greatly reduce the time processing fracture of wire, save manpower.
In order to solve above-mentioned technical problem, the present invention is achieved in that
A kind of replacing options of cold rolled continuous annealing stove furnace roller, it is characterised in that: comprise the steps:
Step one: remove bolt inside the flange plate bolt on guard rail, Hooks coupling universal coupling, furnace wall, expansion joint;Hooks coupling universal coupling records, after removing, the distance that furnace roller driving side axle head is taken over to reductor;
Step 2: remove axle locking cap fore side and the bearing of driving side and bearing enclosure, axle sleeve;First by both sides jackscrew jack-up, bearing is removed and is used extracting tool, gap such as bearing with bearing block uses jack that to fore side, entirety is moved suitable distance at driving side not, first both sides jackscrew is come loose in order to avoid jackscrew stress becomes row and is difficult to take out when if desired moving integrally, the axle sleeve pulled down and lock nut are cleaned up, changes axle sleeve inner seal ring;
Step 3: fore side bearing block is removed;Bearing block puts bottom gasket in order when removing;
Step 4: old furnace roller is removed;Use suspender to remove old furnace roller, adjust counterweight according to the mark of mark on suspender;Before Chai Chuing by the DATA REASONING of the spacing between front and back's roller out, and make a record;Use suspender degree of balance to be adjusted;Driving side jackscrew is returned when removing and install by furnace roller;
Step 5: furnace roller is installed to stove;
The newest flange gasket is fixed on furnace wall, and fluid sealant is smeared and uniformly lengthening section is screwed into driving side spindle nose, then removes axle supports;
2. drive dolly forward, roller is pushed in stove;Adjust roller axle center with overhead traveling crane movable hanger forward, backward, to the left or to the right, make it not encounter the edge in hole;One staff provides the instruction of necessity at driving side transmitter receiver;
3. roller is pushed until roll shaft;
4. roller it is pushed further into until the shaft shoulder stretches out bearing about 1-3cm and arrives final position;
5. band set bearing is installed and with nut check on axle;
6. with the help of extracting tool and axle lengthening section, in adjustment axle center makes bearing energy advance seat;Operation side roller is installed support, removes the roller on extracting tool and support;
7. dolly is moved to track-frame balance mark point;
8. hang level ground with sky handlebar extracting tool, recover local area railing;
Furnace roller install put in place after the most again four direction bolt confine;
Step 6: return dress bearing block and telescopic joint, axle sleeve, bearing block sealing, bearing, lock nut;Bearing seal makes roll shaft gap in bearing saddle bore identical before returning dress, adjust driving side axle head equal with before dismounting to the distance between reductor catcher;When returning dress, bearing heating temperature must not exceed 120 ° of C, and each portion part is installed and put in place, and bearing block installs the pad at four angles and bolt fastening put in place when returning dress;
Step 7: furnace roller installation accuracy adjusts
Fore side is carried out bearing concentricity measurement and records data;Under ensureing the immovable premise of fore side height, bearing block is adjusted the radial missing≤± 0.15mm made both vertically as well as horizontally, after having adjusted, records data;
Use the levelness of frame level measuring roller;Measuring and be to ensure that measuring point is positioned at the center roll surface foreign of roller, repetitive measurement ensures that reading correctly and records data;
The data be given in conjunction with horizontal survey measure adjustment to the concentricity of inboard bearing, the horizontal departure of roller is looked for by adjusting the height of drive-side shaft bearing, levelness is measured after completing by adjustment again, make horizontal departure meet 0.05mm/m, then carry out fore side bearing block beating meter reading and suitably adjusting;
Use the perpendicularity of fork measuring roller;Draw hang up properly when setting steel wire cloth be beneficial to observe prevent pedestrian from scraping with or without bar contact simultaneously, fork measured deviation must is fulfilled for ∠ 0.05mm/m.
The replacing options of described cold rolled continuous annealing stove furnace roller, it is characterized in that: the extracting tool described in step 2, this extracting tool includes top board, two screw rods and two semicircle fixtures, two screw rod upper ends are connected with top board respectively, two screw rod lower ends connect two semicircle fixtures, being buckled in by two semicircle fixtures during dismounting in the gap of bearing and bearing block, in two semicircles are buckled in bearing respectively, rear flank is connected with.
The replacing options of described cold rolled continuous annealing stove furnace roller, it is characterised in that: the replacing options of described cold rolled continuous annealing stove furnace roller, it is characterised in that: in the old furnace roller demolishing process described in step 4, it is ensured that the perpendicularity of overhead traveling crane opposed rollers and levelness.
The invention has the beneficial effects as follows: improve replacing and the efficiency of assembling of cold-rolling continuous annealing unit furnace roller, decrease the probability causing mounted spare to damage and scrap because of the reason of assembly method, save spare parts cost, reduce labor intensity.
Accompanying drawing explanation
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of extracting tool in the present invention.
Fig. 2 is the structural representation that Fig. 1 overlooks direction.
Detailed description of the invention
As shown in Figure 1: the replacing options of a kind of cold rolled continuous annealing stove furnace roller, comprise the steps:
Step one: remove bolt inside the flange plate bolt on guard rail, Hooks coupling universal coupling, furnace wall, expansion joint;Hooks coupling universal coupling records, after removing, the distance that furnace roller driving side axle head is taken over to reductor;
Step 2: remove axle locking cap fore side and the bearing of driving side and bearing enclosure, axle sleeve;First by both sides jackscrew jack-up, bearing is removed and is used extracting tool, this extracting tool includes 1, two screw rods 2 of top board and two semicircle fixtures 3, two screw rod upper ends are connected with top board respectively, two screw rod lower ends connect two semicircle fixtures, during dismounting, two semicircle fixtures are buckled in the gap of bearing and bearing block, as gap uses jack that to fore side, entirety is moved suitable distance at driving side not, first both sides jackscrew is come loose in order to avoid jackscrew stress becomes row and is difficult to take out when if desired moving integrally, the axle sleeve pulled down and lock nut are cleaned up, changes axle sleeve inner seal ring;
Step 3: fore side bearing block is removed;Bearing block puts bottom gasket in order when removing;
Step 4: old furnace roller is removed;Use suspender to remove old furnace roller, adjust counterweight according to the mark of mark on suspender;Before Chai Chuing by the DATA REASONING of the spacing between front and back's roller out, and make a record;Use suspender degree of balance to be adjusted, it is ensured that the perpendicularity of overhead traveling crane opposed rollers and levelness;Driving side jackscrew is returned when removing and install by furnace roller;
Step 5: furnace roller is installed to stove;
The newest flange gasket is fixed on furnace wall, and fluid sealant is smeared and uniformly lengthening section is screwed into driving side spindle nose, then removes axle supports;
2. drive dolly forward, roller is pushed in stove;Adjust roller axle center with overhead traveling crane movable hanger forward, backward, to the left or to the right, make it not encounter the edge in hole;One staff provides the instruction of necessity at driving side transmitter receiver;
3. roller is pushed until roll shaft;
4. roller it is pushed further into until the shaft shoulder stretches out bearing about 1-3cm and arrives final position;
5. band set bearing is installed and with nut check on axle;
6. with the help of extracting tool and axle lengthening section, in adjustment axle center makes bearing energy advance seat;Operation side roller is installed support, removes the roller on extracting tool and support;
7. dolly is moved to track-frame balance mark point;
8. hang level ground with sky handlebar extracting tool, recover local area railing;
Furnace roller install put in place after the most again four direction bolt confine;
Step 6: return dress bearing block and telescopic joint, axle sleeve, bearing block sealing, bearing, lock nut;Bearing seal makes roll shaft gap in bearing saddle bore identical before returning dress, adjust driving side axle head equal with before dismounting to the distance between reductor catcher;When returning dress, bearing heating temperature must not exceed 120 ° of C, and each portion part is installed and put in place, and bearing block installs the pad at four angles and bolt fastening put in place when returning dress;
Step 7: furnace roller installation accuracy adjusts
Fore side is carried out bearing concentricity measurement and records data;Under ensureing the immovable premise of fore side height, bearing block is adjusted the radial missing≤± 0.15mm made both vertically as well as horizontally, after having adjusted, records data;
Use the levelness of frame level measuring roller;Measuring and be to ensure that measuring point is positioned at the center roll surface foreign of roller, repetitive measurement ensures that reading correctly and records data;
The data be given in conjunction with horizontal survey measure adjustment to the concentricity of inboard bearing, the horizontal departure of roller is looked for by adjusting the height of drive-side shaft bearing, levelness is measured after completing by adjustment again, make horizontal departure meet 0.05mm/m, then carry out fore side bearing block beating meter reading and suitably adjusting;
Use the perpendicularity of fork measuring roller;Draw hang up properly when setting steel wire cloth be beneficial to observe prevent pedestrian from scraping with or without bar contact simultaneously, fork measured deviation must is fulfilled for ∠ 0.05mm/m.
Claims (3)
1. the replacing options of a cold rolled continuous annealing stove furnace roller, it is characterised in that: comprise the steps:
Step one: remove bolt inside the flange plate bolt on guard rail, Hooks coupling universal coupling, furnace wall, expansion joint;Hooks coupling universal coupling records, after removing, the distance that furnace roller driving side axle head is taken over to reductor;
Step 2: remove axle locking cap fore side and the bearing of driving side and bearing enclosure, axle sleeve;First by both sides jackscrew jack-up, bearing is removed and is used extracting tool, gap such as bearing with bearing block uses jack that to fore side, entirety is moved suitable distance at driving side not, first both sides jackscrew is come loose in order to avoid jackscrew stress becomes row and is difficult to take out when if desired moving integrally, the axle sleeve pulled down and lock nut are cleaned up, changes axle sleeve inner seal ring;
Step 3: fore side bearing block is removed;Bearing block puts bottom gasket in order when removing;
Step 4: old furnace roller is removed;Use suspender to remove old furnace roller, adjust counterweight according to the mark of mark on suspender;Before Chai Chuing by the DATA REASONING of the spacing between front and back's roller out, and make a record;Use suspender degree of balance to be adjusted;Driving side jackscrew is returned when removing and install by furnace roller;
Step 5: furnace roller is installed to stove;
The newest flange gasket is fixed on furnace wall, and fluid sealant is smeared and uniformly lengthening section is screwed into driving side spindle nose, then removes axle supports;
2. drive dolly forward, roller is pushed in stove;Adjust roller axle center with overhead traveling crane movable hanger forward, backward, to the left or to the right, make it not encounter the edge in hole;One staff provides the instruction of necessity at driving side transmitter receiver;
3. roller is pushed until roll shaft;
4. roller it is pushed further into until the shaft shoulder stretches out bearing about 1-3cm and arrives final position;
5. band set bearing is installed and with nut check on axle;
6. with the help of extracting tool and axle lengthening section, in adjustment axle center makes bearing energy advance seat;Operation side roller is installed support, removes the roller on extracting tool and support;
7. dolly is moved to track-frame balance mark point;
8. hang level ground with sky handlebar extracting tool, recover local area railing;
Furnace roller install put in place after the most again four direction bolt confine;
Step 6: return dress bearing block and telescopic joint, axle sleeve, bearing block sealing, bearing, lock nut;Bearing seal makes roll shaft gap in bearing saddle bore identical before returning dress, adjust driving side axle head equal with before dismounting to the distance between reductor catcher;When returning dress, bearing heating temperature must not exceed 120 ° of C, and each portion part is installed and put in place, and bearing block installs the pad at four angles and bolt fastening put in place when returning dress;
Step 7: furnace roller installation accuracy adjusts
Fore side is carried out bearing concentricity measurement and records data;Under ensureing the immovable premise of fore side height, bearing block is adjusted the radial missing≤± 0.15mm made both vertically as well as horizontally, after having adjusted, records data;
Use the levelness of frame level measuring roller;Measuring and be to ensure that measuring point is positioned at the center roll surface foreign of roller, repetitive measurement ensures that reading correctly and records data;
The data be given in conjunction with horizontal survey measure adjustment to the concentricity of inboard bearing, the horizontal departure of roller is looked for by adjusting the height of drive-side shaft bearing, levelness is measured after completing by adjustment again, make horizontal departure meet 0.05mm/m, then carry out fore side bearing block beating meter reading and suitably adjusting;
Use the perpendicularity of fork measuring roller;Draw hang up properly when setting steel wire cloth be beneficial to observe prevent pedestrian from scraping with or without bar contact simultaneously, fork measured deviation must is fulfilled for ∠ 0.05mm/m.
The replacing options of cold rolled continuous annealing stove furnace roller the most according to claim 1, it is characterized in that: the extracting tool described in step 2, this extracting tool includes top board, two screw rods and two semicircle fixtures, two screw rod upper ends are connected with top board respectively, two screw rod lower ends connect two semicircle fixtures, being buckled in by two semicircle fixtures during dismounting in the gap of bearing and bearing block, in two semicircles are buckled in bearing respectively, rear flank is connected with.
The replacing options of cold rolled continuous annealing stove furnace roller the most according to claim 1, it is characterized in that: the replacing options of described cold rolled continuous annealing stove furnace roller, it is characterized in that: in the old furnace roller demolishing process described in step 4, it is ensured that the perpendicularity of overhead traveling crane opposed rollers and levelness.
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CN201510285858.1A CN106282498B (en) | 2015-05-29 | 2015-05-29 | The replacing options of cold rolled continuous annealing stove furnace roller |
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CN201510285858.1A CN106282498B (en) | 2015-05-29 | 2015-05-29 | The replacing options of cold rolled continuous annealing stove furnace roller |
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CN106282498B CN106282498B (en) | 2018-06-29 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110013942A (en) * | 2019-04-30 | 2019-07-16 | 首钢京唐钢铁联合有限责任公司 | Method for replacing working roll of roll coater |
Citations (3)
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CN102002569A (en) * | 2010-11-03 | 2011-04-06 | 中冶南方(武汉)威仕工业炉有限公司 | Method for changing roller outside roller hearth steel plate heat treatment furnace and device thereof |
CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
CN202028909U (en) * | 2011-03-31 | 2011-11-09 | 上海宝冶集团有限公司 | Device for disassembling furnace roller bearing |
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2015
- 2015-05-29 CN CN201510285858.1A patent/CN106282498B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102002569A (en) * | 2010-11-03 | 2011-04-06 | 中冶南方(武汉)威仕工业炉有限公司 | Method for changing roller outside roller hearth steel plate heat treatment furnace and device thereof |
CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
CN202028909U (en) * | 2011-03-31 | 2011-11-09 | 上海宝冶集团有限公司 | Device for disassembling furnace roller bearing |
Non-Patent Citations (2)
Title |
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上海五冶检修公司: "《冷轧薄板涂镀机组设备状态维护与检修技术》", 30 June 2007, 上海交通大学出版社 * |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110013942A (en) * | 2019-04-30 | 2019-07-16 | 首钢京唐钢铁联合有限责任公司 | Method for replacing working roll of roll coater |
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