CN103374364B - Vertical cycloid-rack driven coke pushing device - Google Patents
Vertical cycloid-rack driven coke pushing device Download PDFInfo
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- CN103374364B CN103374364B CN201210131658.7A CN201210131658A CN103374364B CN 103374364 B CN103374364 B CN 103374364B CN 201210131658 A CN201210131658 A CN 201210131658A CN 103374364 B CN103374364 B CN 103374364B
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- coke pushing
- coke
- output shaft
- pushing ram
- pushing
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- 239000000571 coke Substances 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract description 2
- 230000003068 static Effects 0.000 abstract 1
- 230000037250 Clearance Effects 0.000 description 11
- 230000035512 clearance Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 210000001624 Hip Anatomy 0.000 description 3
- 239000003638 reducing agent Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000000481 Breast Anatomy 0.000 description 1
- 230000037071 Jmax Effects 0.000 description 1
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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Abstract
The invention relates to the technical field of coke pushing devices of coke ovens and provides a vertical cycloid-rack driven coke pushing device. The device comprises a coke pushing support, a supporting roll, a coke pushing rod and a transmission device, wherein the transmission device comprises a rotor shaft, eccentric bearings, cycloidal gears, a pin wheel housing, wheel pins, an output shaft, pins and column sleeves. The device is characterized in that a motor, the pin wheel housing and a vertical motor base are connected into a whole in order; the output shaft is connected with a spline of a drive gear; a long rack is laterally installed on the inner wall of the coke pushing rod; the rack pushes the coke pushing rod to move forward when the drive gear rotates clockwise, and the coke pushing rod is moved backward when the drive gear rotates counterclockwise; a round cover is connected on a disk of the output shaft to prevent lubricating oil from leaking from an oil seal; the wheel pins are semi-buried in the pin wheel housing; the phase difference between the gears on the two sides and the middle gear is 180 degrees; and the width of the gears on the two sides is half that of the middle gear. The device has the beneficial effects that when the coke pushing rod works, the gear-rack meshing accuracy is ensured, thus reducing vibration of the coke pushing rod; the weight is reduced by 45-60%, and the price can be reduced by 50-65%; and the gyrating mass on an input shaft is in the state of static balance or dynamic balance, so that the transmission is stable.
Description
[technical field]
The present invention relates to pit kiln coke pusher technical field, a kind of vertical cycloid-rack drives coke pusher.
Coke oven factory of [background technology] Baogang paper " research of 6m vibration of pushing rod of coke oven " points out: when the reciprocal work done of pushing ram in coke pusher, can produce vibration, its major cause is the distortion that progressively has " waist collapses " trend after pushing ram is heated, and pushing ram distortion makes gear-tooth bar sideshake and bottom clearance substantial deviation theoretical value (sideshake 3.5-5, bottom clearance 8-12): the anterior tooth bar sideshake 6.8-7.2 of place of actual measurement pushing ram, bottom clearance 14.8; Middle part sideshake 7.5-7.8, bottom clearance 18; Rear portion sideshake 7.6-8, bottom clearance 17.2 (unit: mm).
Vibrating in various degree all appears in the 6m coke oven coke-pusher bar of domestic Baosteel, Wuhan Iron and Steel Plant, Handan Iron and Steel Co, elder brother's steel, mountain Jiao and Baogang etc., when serious, produce resonance and cause that bottom brick becomes flexible, cracks, the positive displacement of jamb brick and combustion chamber string leak etc. (6m coke oven principal dimension: the long 15140mm of coking chamber, high 5650mm, average wide 450mm);
Coke pusher comprises pushing ram, coke pushing bearing and transmission mechanism: motor YZR355L110kW, n
1=582rpm, n
2=14.6rpm, pushing ram (comprising coke pushing head, crawler shoe) is bearing in above support roll, in support roll, have three groups with side roller to prevent pushing ram sideslip, pushing ram is a body structure, tooth bar is located at the top of bar, in pushing ram enters stove after, in order to support pushing ram, be provided with crawler shoe, its bottom height is adjustable.The speed setting that adopts magnetic eddy-current brake WZ355L and hydraulic pressure block brake YWZ-400/90-10 to carry out coke pushing whole process is impacted coke pushing to realize nothing.For pushing ram in the anti-incinerator that has a power failure suddenly, be provided with hand gear.
Transmission mechanism be three grades of slowing-down structure: i=2.045 × 3.962 × 4.923=39.9, pushing ram gear Z=15, the m=40 of one-level cone tooth+secondary parallel-axes gears drive tooth bar realize pushing ram advance or retreat, coke pushing speed 27.4m/min, stroke 25774mm.
(2) background technology " cone tooth+secondary reducer with hardened tooth surface " (bearing capacity 72000Nm) is suitable with DCY-500 type reducer with hardened tooth surface (seeing JB/T9002-1999), 113930 yuan of the heavy 4340kg of machine, prices; Weight saving 45-60% of the present invention, price can reduce 50-65%.Theoretical Calculation data are as follows: centre circle of gear pins radius R
z=275, contact coefficient Y
1max=1.43, B=21/42
Contact stress σ
jmax=(8914/R
z) { Y
1maxt
2/ B}
0.5=1605 (MPa)
Allowable contact stress [σ
h]=1617 (MPa) (HB600-600) (see Xu Hao " mechanical design handbook " volume 1.4-289 page);
(3) breast wheel thickness is both sides uniform thickness wheel twices, 180 ° of the two phase differential, thereby rotating mass on input shaft is in statical equilibrium, dynamic equilibrium state, makes transmission more steady; Cycloidal gear teeth and half imbedding needle pin can not break, thereby supporting capacity is large, and reliability is high.
When [summary of the invention] the object of the invention provides a kind of work done, gear-tooth bar stable drive, pushing ram do not vibrate and low by price, efficiency is identical single-stage cycloidal replaces three grades of slowing-down structures of " one-level cone tooth+secondary parallel-axes gears " of background technology.
Technical scheme:
(A) driving gear and output shaft, with spending strong being slidably connected, make driving gear have sideshake and the bottom clearance of certain amount of floating in order to compensation and tooth bar, and long rack bar side is loaded on pushing ram inwall.During according to paper " research of 6m vibration of pushing rod of coke oven " the reciprocal work done of pushing ram, pushing ram occurs that " waist collapses " deflection is up to 60mm, and its result makes gear-tooth bar sideshake and bottom clearance substantial deviation theoretical value (sideshake 3.5-5mm, bottom clearance 8-12mm): the anterior tooth bar sideshake 6.8-8mm of place of actual measurement pushing ram, bottom clearance 14.8-18mm.The present invention is loaded on long rack bar side after pushing ram inwall, its side dress section rigidity is far above sleeping dress section, long tooth bar deflection is declined, simultaneously according to Theoretical Calculation: establishing tooth bar deflection is 30mm, coke pushing stroke 25774mm, the pitch angle of tooth is only 0.0012 °, illustrates that the sideshake of gear-tooth bar and bottom clearance still can, in theoretical value, ensure the accuracy of mesh of gear-tooth bar, thereby gear-tooth bar stable drive, greatly reduces gear-tooth bar surging force and pushing ram vibration;
(B) slow down and replace 6 pages of three grades of deceleration: Zhu Xiaolu " Gear Transmission Design handbook ", " gear handbook " upper 1-12 page: cycloid efficiency eta=0.9～0.98 ≈ 0.94 by single-stage three Cycloidal Wheel, thereby can replace " cone tooth+secondary reducer with hardened tooth surface ".
[beneficial effect], according to background technology, its creativeness is embodied in:
(1) in the reciprocal work done of pushing ram, ensure the gear-tooth bar accuracy of mesh, greatly reduce surging force and pushing ram vibration;
[brief description of the drawings] Fig. 1. embodiment of the present invention structural representation
[embodiment] encyclopaedizes the present invention below in conjunction with accompanying drawing:
With reference to Fig. 1. a kind of vertical cycloid-rack drives coke pusher, comprise coke pushing bearing 1, support roll 2, pushing ram 3 and transmission mechanism, described pushing ram 3 comprises coke pushing head, crawler shoe, described pushing ram 3 is bearing on support roll 2 for body structure, in described support roll 2, have three groups with side roller to prevent pushing ram 3 sideslips, support roll 2 is connected in the bottom of coke pushing bearing 1, described transmission mechanism comprises motor, the rotor spindle 17 of motor, be contained in first on rotor spindle 17, two capacity eccentric bearings 11, 14, Cycloidal Wheel, pin wheel housing 18, needle pin 19 and output mechanism, described output mechanism comprises output shaft 6, pin 10 and column sleeve, described output shaft 6 is bearing in the endoporus of vertical support 8 by two bearings 7, it is characterized in that:
Described motor, pin wheel housing 18 and vertical support 8 are integrally togather in turn;
Described output shaft 6 shaft extension end male splines and driving gear 4 internal splines are slidably connected, driving gear 4 engages with long tooth bar 5, described long tooth bar 5 sides are loaded on pushing ram 3 inwalls, when driving gear 4 turns clockwise, long tooth bar 5 promotes pushing ram 3 and moves forward, otherwise, when driving gear 4 turns counterclockwise, long tooth bar 5 promotes pushing ram 3 and moves backward, because long tooth bar 5 sides are loaded on pushing ram 3 inwalls and long tooth bar 5 very long (being greater than coke pushing stroke), therefore in the time that " waist collapses " appears in pushing ram 3, the sideshake of gear-tooth bar and bottom clearance still can be in theoretical values;
Inside described output shaft 6 disks, on anchor ring, connect a dome 9 and be used for covering bearing 7, object is to prevent that lubricating oil from entering bearing 7 and spilling from oil sealing;
The identical Cycloidal Wheel 13 in both sides and 180 ° of middle Cycloidal Wheel 16 phase differential in described Cycloidal Wheel, both sides Cycloidal Wheel 13 is taken turns the wide half that equals middle Cycloidal Wheel 16, thereby rotating mass on input shaft is in statical equilibrium, dynamic equilibrium state, make transmission more steady, column sleeve 12,15 corresponds respectively to Cycloidal Wheel 13,16;
Needle pin 19 half is embedded in pin wheel housing 18, claims partly to bury toothing, makes needle pin have very high bending force (828 pages of Zhu Xiaolu " Gear Transmission Design handbook ").
Claims (1)
1. vertical cycloid-rack drives coke pusher, comprise coke pushing bearing (1), support roll (2), pushing ram (3) and transmission mechanism, described pushing ram (3) comprises coke pushing head, crawler shoe, described pushing ram (3) is bearing on support roll (2) for body structure, in described support roll (2), have three groups with side roller to prevent pushing ram (3) sideslip, support roll (2) is connected in the bottom of coke pushing bearing (1), described transmission mechanism comprises motor, the rotor spindle (17) of motor, be contained in first on rotor spindle (17), two capacity eccentric bearings (11, 14), Cycloidal Wheel, pin wheel housing (18), needle pin (19) and output mechanism, described output mechanism comprises output shaft (6), pin (10) and column sleeve, described output shaft (6) is bearing in the endoporus of vertical support (8) by two bearings (7), it is characterized in that:
Described motor, pin wheel housing (18) and vertical support (8) are integrally togather in turn;
Described output shaft (6) shaft extension end male spline and driving gear (4) internal spline are slidably connected, driving gear (4) engages with long tooth bar (5), and described long tooth bar (5) side is loaded on pushing ram (3) inwall;
Inside described output shaft (6) disk, on anchor ring, connect a dome (9) and be used for covering bearing (7);
The identical Cycloidal Wheel in both sides (13) and 180 ° of middle Cycloidal Wheel (16) phase differential in described Cycloidal Wheel, both sides Cycloidal Wheel (13) is taken turns the wide half that equals middle Cycloidal Wheel (16), column sleeve (12,15) corresponds respectively to Cycloidal Wheel (13,16), and needle pin (19) is partly embedded in pin wheel housing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131658.7A CN103374364B (en) | 2012-04-25 | 2012-04-25 | Vertical cycloid-rack driven coke pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131658.7A CN103374364B (en) | 2012-04-25 | 2012-04-25 | Vertical cycloid-rack driven coke pushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103374364A CN103374364A (en) | 2013-10-30 |
| CN103374364B true CN103374364B (en) | 2014-12-17 |
Family
ID=49460211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210131658.7A Active CN103374364B (en) | 2012-04-25 | 2012-04-25 | Vertical cycloid-rack driven coke pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103374364B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250357Y (en) * | 1996-02-08 | 1997-03-26 | 史正高 | Horizontal coke pushing machine |
| CN102192278A (en) * | 2011-04-02 | 2011-09-21 | 吴小杰 | Novel vertical type dynamic balance needle-sleeve-free cycloid reducer |
| CN102250631A (en) * | 2010-05-18 | 2011-11-23 | 上海梅山钢铁股份有限公司 | Sliding shoe of pushing ram |
| CN202099241U (en) * | 2011-05-27 | 2012-01-04 | 中钢集团鞍山热能研究院有限公司 | Coke pusher applied to 200kg testing coke oven |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10316971A (en) * | 1997-05-21 | 1998-12-02 | Sumitomo Heavy Ind Ltd | Carbon removal apparatus of coke oven chamber |
| KR20040092118A (en) * | 2003-04-25 | 2004-11-03 | 주식회사 포스코 | An apparatus for correcting thermal deformation of ram in pusher car |
-
2012
- 2012-04-25 CN CN201210131658.7A patent/CN103374364B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250357Y (en) * | 1996-02-08 | 1997-03-26 | 史正高 | Horizontal coke pushing machine |
| CN102250631A (en) * | 2010-05-18 | 2011-11-23 | 上海梅山钢铁股份有限公司 | Sliding shoe of pushing ram |
| CN102192278A (en) * | 2011-04-02 | 2011-09-21 | 吴小杰 | Novel vertical type dynamic balance needle-sleeve-free cycloid reducer |
| CN202099241U (en) * | 2011-05-27 | 2012-01-04 | 中钢集团鞍山热能研究院有限公司 | Coke pusher applied to 200kg testing coke oven |
Non-Patent Citations (1)
| Title |
|---|
| 6米推焦机推焦转动振动成因分析;张吉国;《重工与起重技术》;20061231(第1期);第9页第1栏第2段至第2栏 * |
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| CN103374364A (en) | 2013-10-30 |
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Address after: 225471 Taixing, Jiangsu, the town lost the brilliant road, No. 1 Patentee after: Wu Xiaojie Address before: 325400 Zhejiang city of Wenzhou province Pingyang Kunyang town Whitehead Street No. four building 761 room Patentee before: Wu Xiaojie |
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Address after: Kunyang town of Pingyang County in Zhejiang province Wenzhou city 325400 building 761 room No. four white stone street Patentee after: Wu Xiaojie Address before: 225471 Taixing, Jiangsu, the town lost the brilliant road, No. 1 Patentee before: Wu Xiaojie |
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Effective date of registration: 20170926 Address after: 225700, 6, Chengbei Village, Xinghua, Jiangsu, Taizhou Patentee after: Zhou Fenlan Address before: 225471 Taixing, Jiangsu, the town lost the brilliant road, No. 1 Patentee before: Xiong Guirong |
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Effective date of registration: 20211223 Address after: 272000 No. 5566 Chongwen Avenue, high tech Zone, Jining City, Shandong Province Patentee after: Jining high tech Keda Technology Project Service Co.,Ltd. Address before: No.6, Chengbei new village, Xinghua City, Taizhou City, Jiangsu Province 225700 Patentee before: Zhou Fenlan |
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