CN104390452A - Kiln turning method for rotary kiln large-gear precise alignment - Google Patents
Kiln turning method for rotary kiln large-gear precise alignment Download PDFInfo
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- CN104390452A CN104390452A CN201410671684.8A CN201410671684A CN104390452A CN 104390452 A CN104390452 A CN 104390452A CN 201410671684 A CN201410671684 A CN 201410671684A CN 104390452 A CN104390452 A CN 104390452A
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- gear wheel
- latch plate
- cylindrical shell
- arc
- rotary kiln
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Abstract
The invention discloses a kiln turning method for rotary kiln large-gear precise alignment and relates to the technical field of rotary kiln large-gear installation. A rotary kiln comprises a large gear installed outside a barrel body in a sleeving mode, wherein multiple pin holes are distributed in the inner edge position of the large gear, the large gear is in meshed connection with a small gear, and the small gear is connected with an auxiliary motor through a speed reducer. The kiln turning method comprises the following steps of (A) using multiple spring connecting plates to enable the large gear 1 and the barrel body to be connected; (B) using press wires to fix the long side edges of the spring plates to the barrel body, wherein the arc-shaped concave faces of the spring plates mutually abut against limiting blocks; (C) starting the auxiliary motor to drive the barrel body to rotate and measuring the radial and axial run-out amounts of the large gear; (D) adjusting the large gear; (E) repeating the step B and the step C till the measured radial and axial run-outs of the large gear are qualified; (F) dismounting the press wires and the limiting blocks and enabling the spring plates to be welded with the barrel body. Compared with the prior art, the kiln turning method does not need to dismount spring plates and does not need to repeatedly adjust the press wires and the limiting blocks as well when the large gear is adjusted, and the time and cost are saved.
Description
Technical field
The present invention relates to rotary kiln gear wheel mounting technique field, during especially a kind of rotary kiln maintenance, the rotary kiln method of smart centering installed by gear wheel.
Background technology
Cement rotary kiln comprises cylindrical shell and is sleeved on the gear wheel outside this cylindrical shell by center mounting hole, this gear wheel is in being circumferentially distributed with multiple pin-and-hole near center mounting hole inner edge place, gear wheel and pinion are connected with a joggle, and pinion is connected with stand-by motor by reductor.The installation accuracy of gear wheel is higher, General Requirements circular runout≤1.5mm, axial runout≤1mm.Therefore after installation gear wheel carries out thick centering when rotary kiln keeps in repair, then carry out smart centering, need rotate rotary kiln and use dial gauge measurement data.The rotary kiln method of existing rotary kiln gear wheel essence centering is: 1. by some connecting rods from both sides by gear wheel and barrel soldering firm; 2. open stand-by motor and drive barrel body rotation, measure circular runout and the axial runout numerical value of multiple test point gear wheel; 3. connecting rod is cut down, by special adjusting device to gear wheel carry out axis and radial direction be adjusted to after conjunction by connecting rod and barrel soldering firm; 4. repeat step 2., step 3., to measure the circular runout of gear wheel and axial runout qualified; 5. lower connecting rod is cut.There is following deficiency in the rotary kiln method of this rotary kiln gear wheel essence centering: 1, because connecting rod and gear wheel and cylindrical shell are all welded to connect, the connecting rod cutting and be welded to connect gear wheel and rotary kiln need be repeated when adjusting gear wheel, at substantial human and material resources, maintenance cost is high; 2, the set-up time is longer, affects the progress of whole duration.
Summary of the invention
Technical problem to be solved by this invention is to provide the rotary kiln method of a kind of rotary kiln gear wheel essence centering, need repeat the problem of the connector cutting and be welded to connect gear wheel and rotary kiln during to solve adjustment gear wheel.
In order to solve the problem, the technical solution used in the present invention is: the rotary kiln method of this rotary kiln gear wheel essence centering, rotary kiln comprises the gear wheel be sleeved on by center mounting hole outside cylindrical shell, this gear wheel is in being circumferentially distributed with multiple pin-and-hole near center mounting hole inner edge place, described gear wheel and pinion are connected with a joggle, described pinion is connected with stand-by motor by reductor, comprises the following steps:
Described gear wheel is connected with described cylindrical shell by A, use polylith spring coupling plate, described spring coupling plate includes latch plate, and latch plate comprises two and is oppositely arranged and has the arc-shaped side edges of arc-shaped concave and be connected to the long side at two described arc-shaped side edges two ends and short side; The otic placode that two pieces have locating hole is connected with at the short side of described latch plate;
Bearing pin plug-in mounting is entered in the pin-and-hole of described gear wheel, the locating hole of two pieces of described otic placodes of short for described latch plate side is set on the described bearing pin stretching out described gear wheel pin-and-hole two ends, stretch out two pieces of described otic placode places at described bearing pin and fill back-up ring respectively, described latch plate is fixedly connected with described gear wheel;
B, a kind of silk pressing is used to be fixed on described cylindrical shell by the long side of described latch plate; Described silk pressing comprises the pressing plate that one end is coated with bolt, is provided with two pieces of relative faggings in the both sides of the described pressing plate other end;
The long side of described latch plate and described cylindrical shell outer rim are abutted against, the pressing plate of two described silk pressings is crimped on respectively its long side place nearly of described latch plate arc-shaped side edges, makes the fagging of described silk pressing offset with described cylinder body outer wall and be fixedly connected with described cylindrical shell; Described cylindrical shell is fixed with two pieces of limited blocks respectively in the arc-shaped concave place of two described arc-shaped side edges of nearly described latch plate, and the arc-shaped concave of described limited block and described latch plate offsets;
C, start described paving and help motor, make described gear wheel drive described barrel body rotation by described spring coupling plate, measure radial beat eccentricity and the axial runout amount of gear wheel described in multiple test point;
D, by special adjusting device, radial and axial adjustment is carried out to described gear wheel;
E, repetition step C, step D are qualified to the circular runout and axial runout of measuring described gear wheel;
F, described silk pressing and described limited block to be pulled down, described latch plate and described barrel soldering.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, the present invention uses polylith spring coupling plate to be connected with cylindrical shell by gear wheel, spring coupling plate includes latch plate and has the otic placode of locating hole with affixed two pieces of the short side of latch plate, two pieces of otic placodes by bearing pin and gear wheel affixed, be fixed on cylindrical shell with two silk pressings by the long side of latch plate, arc-shaped concave and the limited block be fixed on cylindrical shell of latch plate offset; Do not need bomb disposal spring plank when carrying out radial and axial adjustment to gear wheel, also do not need to repeat adjustment silk pressing and limited block, working procedure simple and fast, cost saving, shortens the set-up time.
2, originally adopt some connecting rods from both sides by firm to gear wheel and barrel soldering, utilize stand-by motor drive rotary kiln to carry out smart centering, take 72 hours and just complete smart centering work.And after adopting rotary kiln method of the present invention, only just completed smart centering work with 18 hours, saving a large amount of manpower and materials, shorten the overhaul duration, providing favourable condition for resuming production faster.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the schematic diagram that the latch plate of the embodiment of the present invention is connected with gear wheel and cylindrical shell.
Fig. 3 is the structural representation of the silk pressing of the embodiment of the present invention.
Fig. 4 is the schematic diagram that the latch plate of the embodiment of the present invention is connected with barrel soldering.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
As shown in Figure 1 and Figure 2, a kind of rotary kiln method of rotary kiln gear wheel essence centering, rotary kiln comprises the gear wheel 1 be sleeved on by center mounting hole outside cylindrical shell 2, this gear wheel 1 is in being circumferentially distributed with 12 pin-and-holes near center mounting hole inner edge place, gear wheel 1 and pinion are connected with a joggle, pinion is connected with stand-by motor by reductor, and concrete steps are as follows:
A, six pieces of uniform spring coupling plates are used to be connected with cylindrical shell 2 by gear wheel 1, spring coupling plate includes latch plate 3, and latch plate 3 comprises two and is oppositely arranged and has the arc-shaped side edges of arc-shaped concave and be connected to the long side at two arc-shaped side edges two ends and short side; The otic placode 4 that two pieces have locating hole is welded with at the short side of latch plate 3;
Bearing pin 5 plug-in mounting is entered in the pin-and-hole of gear wheel 1, the locating hole of two pieces of otic placodes 4 of short for latch plate 3 side is set on the bearing pin 5 stretching out gear wheel 1 pin-and-hole two ends, stretch out two pieces of otic placode 4 places at bearing pin 5 and fill back-up ring 6 respectively, back-up ring 6 welds with bearing pin 5, is fixedly connected with by latch plate 3 with gear wheel 1;
B, a kind of silk pressing 7 is as shown in Figure 3 used to be fixed on cylindrical shell 2 by the long side of latch plate 3; Silk pressing 7 comprises the pressing plate 7-1 that one end is coated with bolt 8, is welded with two pieces of relative fagging 7-2 in the both sides of the pressing plate 7-1 other end;
The long side of latch plate 3 and cylindrical shell 2 outer rim are abutted against, the pressing plate 7-1 of two silk pressings 7 is crimped on respectively its long side place nearly of latch plate 3 arc-shaped side edges, make the fagging 7-2 of silk pressing 7 and cylindrical shell 2 outer wall offset and be welded to connect with cylindrical shell 2; Cylindrical shell 2 is welded with two pieces of limited blocks 9 respectively in the arc-shaped concave place of two arc-shaped side edges of short round spring plank 3, and limited block 9 offsets with the arc-shaped concave of latch plate 3;
C, startup paving help motor, make gear wheel 1 drive cylindrical shell 2 to rotate by spring coupling plate, measure radial beat eccentricity and the axial runout amount of eight test point gear wheels 1;
D, by special adjusting device, radial and axial adjustment is carried out to gear wheel 1;
E, repetition step C, step D twice are qualified to the circular runout and axial runout of measuring gear wheel 1;
F, silk pressing 7 and limited block 9 are cut down, latch plate 3 welds with cylindrical shell 2, as shown in Figure 4.
Claims (1)
1. the rotary kiln method of a rotary kiln gear wheel essence centering, rotary kiln comprises and is sleeved on cylindrical shell (2) gear wheel outward (1) by center mounting hole, this gear wheel (1) is in being circumferentially distributed with multiple pin-and-hole near center mounting hole inner edge place, described gear wheel (1) and pinion are connected with a joggle, described pinion is connected with stand-by motor by reductor, it is characterized in that comprising the following steps:
Described gear wheel (1) is connected with described cylindrical shell (2) by A, use polylith spring coupling plate, described spring coupling plate includes latch plate (3), and latch plate (3) comprises two and is oppositely arranged and has the arc-shaped side edges of arc-shaped concave and be connected to the long side at two described arc-shaped side edges two ends and short side; The otic placode (4) that two pieces have locating hole is connected with at the short side of described latch plate (3);
Bearing pin (5) plug-in mounting is entered in the pin-and-hole of described gear wheel (1), being set in by the locating hole of two pieces of described otic placodes (4) of described latch plate (3) short side stretches out on the described bearing pin (5) at described gear wheel (1) pin-and-hole two ends, stretch out two pieces of described otic placode (4) places at described bearing pin (5) and fill back-up ring (6) respectively, described latch plate (3) is fixedly connected with described gear wheel (1);
B, a kind of silk pressing (7) is used to be fixed on described cylindrical shell (2) by the long side of described latch plate (3); Described silk pressing (7) comprises the pressing plate (7-1) that one end is coated with bolt (8), is provided with two pieces of relative faggings (7-2) in the both sides of described pressing plate (7-1) other end;
The long side of described latch plate (3) and described cylindrical shell (2) outer rim are abutted against, the pressing plate (7-1) of two described silk pressings (7) is crimped on respectively its long side place nearly of described latch plate (3) arc-shaped side edges, makes the fagging of described silk pressing (7) (7-2) offset with described cylindrical shell (2) outer wall and be fixedly connected with described cylindrical shell (2); Described cylindrical shell (2) is fixed with two pieces of limited blocks (9) respectively in the arc-shaped concave place of two described arc-shaped side edges of nearly described latch plate (3), and described limited block (9) offsets with the arc-shaped concave of described latch plate (3);
C, start described paving and help motor, make described gear wheel (1) drive described cylindrical shell (2) to rotate by described spring coupling plate, measure radial beat eccentricity and the axial runout amount of gear wheel (1) described in multiple test point;
D, by special adjusting device, axis and radial adjustment are carried out to described gear wheel (1);
E, repetition step C, step D are qualified to the circular runout and axial runout of measuring described gear wheel (1);
F, described silk pressing (7) and described limited block (9) are pulled down, described latch plate (3) welds with described cylindrical shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671684.8A CN104390452B (en) | 2014-11-21 | 2014-11-21 | The rotary kiln method of rotary kiln gear wheel essence centering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671684.8A CN104390452B (en) | 2014-11-21 | 2014-11-21 | The rotary kiln method of rotary kiln gear wheel essence centering |
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| CN104390452A true CN104390452A (en) | 2015-03-04 |
| CN104390452B CN104390452B (en) | 2016-08-24 |
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| CN201410671684.8A Active CN104390452B (en) | 2014-11-21 | 2014-11-21 | The rotary kiln method of rotary kiln gear wheel essence centering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293329A (en) * | 2019-06-29 | 2019-10-01 | 中国二十二冶集团有限公司 | The construction method and its specific purpose tool of gear wheel installation and adjustment |
| CN113275885A (en) * | 2021-05-20 | 2021-08-20 | 江苏鹏飞集团股份有限公司 | Integrated machining device and machining method for face hole of spring plate |
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| US6132560A (en) * | 1998-09-11 | 2000-10-17 | Atlantic Richfield Company | Rotary drum cooler having adjustable lifters |
| CN101749939A (en) * | 2008-12-18 | 2010-06-23 | 鞍钢建设集团有限公司 | Installation method of rotary kiln tyre |
| CN101749940A (en) * | 2008-12-18 | 2010-06-23 | 鞍钢建设集团有限公司 | Adjustment method for center line of rotary kiln cylinders |
| CN101846450A (en) * | 2010-06-13 | 2010-09-29 | 中国铝业股份有限公司 | Installation method of big gear ring of rotary kiln |
| CN101852547A (en) * | 2010-06-10 | 2010-10-06 | 中国铝业股份有限公司 | Rotary kiln heavy gear ring repairing method |
| CN202562261U (en) * | 2012-05-18 | 2012-11-28 | 中冶北方（大连）工程技术有限公司 | Variable stiffness driving device for rotary kiln |
| CN203240881U (en) * | 2013-04-01 | 2013-10-16 | 新兴能源装备股份有限公司 | Welded type rotary kiln big gear ring tangential spring plate |
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2014
- 2014-11-21 CN CN201410671684.8A patent/CN104390452B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6132560A (en) * | 1998-09-11 | 2000-10-17 | Atlantic Richfield Company | Rotary drum cooler having adjustable lifters |
| CN101749939A (en) * | 2008-12-18 | 2010-06-23 | 鞍钢建设集团有限公司 | Installation method of rotary kiln tyre |
| CN101749940A (en) * | 2008-12-18 | 2010-06-23 | 鞍钢建设集团有限公司 | Adjustment method for center line of rotary kiln cylinders |
| CN101852547A (en) * | 2010-06-10 | 2010-10-06 | 中国铝业股份有限公司 | Rotary kiln heavy gear ring repairing method |
| CN101846450A (en) * | 2010-06-13 | 2010-09-29 | 中国铝业股份有限公司 | Installation method of big gear ring of rotary kiln |
| CN202562261U (en) * | 2012-05-18 | 2012-11-28 | 中冶北方（大连）工程技术有限公司 | Variable stiffness driving device for rotary kiln |
| CN203240881U (en) * | 2013-04-01 | 2013-10-16 | 新兴能源装备股份有限公司 | Welded type rotary kiln big gear ring tangential spring plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293329A (en) * | 2019-06-29 | 2019-10-01 | 中国二十二冶集团有限公司 | The construction method and its specific purpose tool of gear wheel installation and adjustment |
| CN110293329B (en) * | 2019-06-29 | 2021-06-22 | 中国二十二冶集团有限公司 | Construction method for mounting and adjusting large gear and special tool thereof |
| CN113275885A (en) * | 2021-05-20 | 2021-08-20 | 江苏鹏飞集团股份有限公司 | Integrated machining device and machining method for face hole of spring plate |
Also Published As
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|---|---|
| CN104390452B (en) | 2016-08-24 |
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