CN103374366B - Vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device - Google Patents
Vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device Download PDFInfo
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- CN103374366B CN103374366B CN201210131661.9A CN201210131661A CN103374366B CN 103374366 B CN103374366 B CN 103374366B CN 201210131661 A CN201210131661 A CN 201210131661A CN 103374366 B CN103374366 B CN 103374366B
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- coke pushing
- gear
- coke
- type
- bearing
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- 239000000571 coke Substances 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of coke pushing devices of coke ovens and provides a vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device. The device comprises a coke pushing support, a supporting roll, a coke pushing rod and a transmission device, wherein a transmission component comprises a rotor shaft, eccentric bearings, planet gears, inner gear rings and an output mechanism; and an output shaft is supported in an inner hole of a motor base. The device is characterized in that a motor, the inner gear rings and the 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 brake component comprises two V-shaped groove disk mechanisms, a friction pair and reset springs; 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 is reduced by 50-65%; the braking torque automatically increases with the increase of drag torque; and the input shaft is in the state of static balance or dynamic balance.
Description
[technical field]
The present invention relates to coke pusher technical field, a kind of vertical braking moment is from increasing few teeth difference-rack drives coke pusher.
[background technology]
Coke oven factory of 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.
[summary of the invention]
The vertical braking moment that when the object of the invention provides a kind of work done, gear-tooth bar stable drive, pushing ram do not vibrate and the single-stage few teeth difference low by price, efficiency is identical replaces background technology is from increasing few teeth difference-rack drives coke pusher.
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 three grades of decelerations with single-stage involute less tooth difference: the calculated example of " gear handbook " upper 7-126 page: efficiency eta=0.944 (two teeth difference Z
d=2), contriver is according to 100 examples, tooth difference Z
d=2,3,4, calculation result draws: efficiency eta=0.934,0.96,0.97..Thereby can replace " cone tooth+secondary reducer with hardened tooth surface ";
(C) two groups of steel ball V-type slot devices in brake component are steel ball V-type groove automatic pressurizing device improved (seeing 90 pages of Ruan Zhongtang " mechanical stepless transmission "): first group is made up of the steel ball between active V-type slotted disk, the telophragma driven V-type slotted disk of one side and two V-type groove faces, and telophragma connects with cone dish; Second group is made up of the steel ball in the middle of telophragma opposite side active V-type slotted disk, the second driven V-type slotted disk and two V-type groove faces.Principle of work: when energising, first group of active V-type groove face produces positive pressure to steel ball, and its axial component promotes the driven V-type slotted disk of telophragma separates friction pair, and braking moment disappears, and its circumferential component drives the output shaft work done connecting with second group of driven V-type slotted disk; When power-off, input shaft stop, moment of resistance makes the second driven V-type groove face produce positive pressure to steel ball, and its axial component compresses friction pair, and braking moment will muchly have much.
[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;
(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: Z
b=120, Z
c=117, Z
d=3,28.241 °, eccentric distance e=9.60, b=25/50mmY
f=3.46Z
-0.137, Y
ε=9.2Z
-0.8" mechanical design handbook " volume 3.14-454
σ
w=(Ft/bm) KaKvY
fy
ε≤ [σ
w]=163 (MPa), peripheral force Ft=2000 (T
2/ n
pd
1)=102564 (N), S
bb=(σ
flim/ σ
w) Y
ny
sy
x>=S
bbmin=1.0 (σ
flim=300, [σ
w]=200MPa, Y
n=1.0, Y
s=1.0, Y
x=0.95)
(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; Few, the soft flank of tooth technique of simple in structure, another part is simple, cost is low.
(4) braking moment increases and automatically increases with moment of resistance, and therefore can replace magnetic eddy-current brake WZ355L and hydraulic pressure block brake YWZ-400/90-10 carries out the speed setting of coke pushing whole process, to realize without impacting coke pushing.
[brief description of the drawings] Fig. 1. embodiment of the present invention structural representation
Force principle figure when Fig. 2,3 is respectively steel ball and V-type groove power-off (braking), energising (work done)
[embodiment] encyclopaedizes the present invention below in conjunction with accompanying drawing:
Certainly increase few teeth difference-rack drives coke pusher with reference to Fig. 1 .2 and 3. 1 kinds of vertical braking moments, comprise coke pushing bearing 1, support roll 2, pushing ram 3 and braking moment are from increasing 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 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 braking moment comprises driving member and brake component from increasing transmission mechanism, driving member comprises input shaft 17 and is contained in first on input shaft 17, two capacity eccentric bearings 11, 14, satellite gear, ring gear 18 and output mechanism, output mechanism comprises output shaft 6, pin 10 and column sleeve, described output shaft 6 is bearing in vertical support 8 endoporus by two bearings 7,
It is characterized in that:
(A) described brake component comprises Liang ZuVXing slotted disk mechanism, friction pair and the return spring of device at placket 27 and middle cylinder 30 connecting parts inner chambers, wherein:
Described friction pair comprises inner cone 28 and cone dish 29, and wherein inner cone 28 is connected in placket 27 endoporus, and cone dish 29 connects with telophragma 23, and the axial theoretical value that friction pair separates is x;
In described Liang ZuVXing slotted disk mechanism, first group of active V-type slotted disk 25 is connected on the rotor spindle 26 of motor, telophragma 23 1 sides are the first driven V-type slotted disk, between master and slave two V-type grooves, there is steel ball 24, the second driven V-type slotted disk 21 is slidably connected with the male spline shaft extension end of input shaft 17, telophragma 23 opposite sides are second group initiatively has steel ball 22 between V-type slotted disk, two V-type grooves, and uniform steel ball number equates with V-type groove number;
Described return spring 20 one end are close to a glass interior end of type spring support 19, the other end is close to the second driven V-type slotted disk 21 end faces, return spring 20 compresses cone dish 29 and inner cone 28 friction pairs, the gap of the outer face of described cup type spring support 19 near input shaft 17 shaft shoulders and between opening end and the second driven V-type slotted disk 21 equals the axial theoretical value x that friction pair separates, and described input shaft 17 use bearings are bearing in middle cylinder 30 endoporus;
(B) described motor, placket 27, middle cylinder 30, ring gear 18, vertical support 8 and coke pushing bearing 1 are integrally togather in turn, described output shaft 6 shaft extension end outer flower-keys and driving gear 4 internal splines are slidably connected, make driving gear 8 there is certain amount of floating in order to sideshake and bottom clearance between compensation and long tooth bar 5, driving gear 4 engages with long tooth bar 5, long tooth bar 5 sides are loaded on pushing ram 3 inwalls, when driving gear 8 turns clockwise, long tooth bar 5 promotes pushing ram 3 and moves forward, otherwise, when driving gear 8 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 there is " waist collapses " 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, in satellite gear, the identical satellite gear 13 in both sides is taken turns 180 ° of 16 phase differential with middle planetary, both sides satellite gear 13 is taken turns the wide half that equals middle planetary wheel 16, thereby rotating mass on input shaft is in statical equilibrium, dynamic equilibrium state, make transmission more steady, column sleeve 12, 15 correspond respectively to satellite gear 13, 16.
Braking principle: when energising, connect with rotor axis of electric 26 first group initiatively the V-type groove face of V-type slotted disk 25 steel ball 24 is produced to positive pressure: the driven V-type slotted disk that axial component promotes telophragma 23 makes friction pair separate (axial distance x), braking moment disappearance; Circumferentially component drives with the input shaft 17 of the second driven V-type slotted disk 21 splined and rotates work done.Obvious first group of steel ball V-type slot device function is clutch coupling, and second group of steel ball V-type slot device function is shaft coupling; In the time of power-off, rotor axis of electric 26 stops, moment of resistance makes the V-type groove face of the second driven V-type slotted disk 21 produce positive pressure to steel ball 22, and its axial component compresses friction pair, thereby braking moment will muchly have much.
Claims (1)
1. a vertical braking moment is from increasing few teeth difference-rack drives coke pusher, comprise coke pushing bearing (1), support roll (2), pushing ram (3) and braking moment are from increasing 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 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 braking moment comprises driving member and brake component from increasing transmission mechanism, described driving member comprises input shaft (17) and is contained in first on input shaft (17), two capacity eccentric bearings (11, 14), satellite gear, ring gear (18) and output mechanism, 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:
(A) described brake component comprises Liang ZuVXing slotted disk mechanism, friction pair and the return spring of device at placket (27) and middle cylinder (30) connecting parts inner chamber, wherein:
Described friction pair comprises inner cone (28) and cone dish (29), wherein inner cone (28) is connected in placket (27) endoporus, cone dish (29) connects with telophragma (23), and the axial theoretical value that friction pair separates is x;
In described Liang ZuVXing slotted disk mechanism, first group of active V-type slotted disk (25) is connected on the rotor spindle (26) of motor, telophragma (23) one sides are the first driven V-type slotted disk, between master and slave two V-type grooves, there is steel ball (24), the second driven V-type slotted disk (21) is slidably connected with the male spline shaft extension end of input shaft (17), telophragma (23) opposite side is second group initiatively has steel ball (22) between V-type slotted disk, two V-type grooves, and uniform steel ball number equates with V-type groove number;
Described return spring (20) one end is close to a glass interior end of type spring support (19), the other end is close to the second driven V-type slotted disk (21) end face, return spring (20) compresses cone dish (29) and inner cone (28) friction pair, the gap of the outer face of described cup type spring support (19) near input shaft (17) shaft shoulder and between opening end and the second driven V-type slotted disk (21) equals the axial theoretical value x that friction pair separates, and described input shaft (17) is bearing in middle (30) endoporus with bearing.
(B) described motor, placket (27), middle cylinder (30), ring gear (18), vertical support (8) and coke pushing bearing (1) 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), 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 satellite gear in both sides (13) and 180 ° of middle planetary wheel (16) phase differential in described satellite gear, both sides satellite gear (13) is taken turns the wide half that equals middle planetary wheel (16), column sleeve (12, 15) correspond respectively to satellite gear (13, 16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131661.9A CN103374366B (en) | 2012-04-25 | 2012-04-25 | Vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131661.9A CN103374366B (en) | 2012-04-25 | 2012-04-25 | Vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device |
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| Publication Number | Publication Date |
|---|---|
| CN103374366A CN103374366A (en) | 2013-10-30 |
| CN103374366B true CN103374366B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210131661.9A Active CN103374366B (en) | 2012-04-25 | 2012-04-25 | Vertical braking torque automatically increasing few tooth difference-rack driven coke pushing device |
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| Country | Link |
|---|---|
| CN (1) | CN103374366B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6877318B2 (en) * | 2017-11-14 | 2021-05-26 | 住友重機械工業株式会社 | Gear motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486138A (en) * | 1982-08-26 | 1984-12-04 | Raymond Kaiser Engineers Inc. | Pusher ram |
| CN2250357Y (en) * | 1996-02-08 | 1997-03-26 | 史正高 | Horizontal coke pushing machine |
| CN2814024Y (en) * | 2005-07-27 | 2006-09-06 | 宝钢集团上海梅山有限公司 | Coke pushing ram emergency guiding back device |
| CN101942309A (en) * | 2010-09-09 | 2011-01-12 | 江苏泰隆减速机股份有限公司 | Transmission unit for coke pushing machine |
| 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 |
|---|---|---|---|---|
| JPH09296858A (en) * | 1996-05-01 | 1997-11-18 | Tochigi Fuji Ind Co Ltd | Gear pair and fluid mechanism using gear pair |
| JP4977866B2 (en) * | 2006-06-27 | 2012-07-18 | Ｊｆｅスチール株式会社 | Coke extrusion equipment |
-
2012
- 2012-04-25 CN CN201210131661.9A patent/CN103374366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486138A (en) * | 1982-08-26 | 1984-12-04 | Raymond Kaiser Engineers Inc. | Pusher ram |
| CN2250357Y (en) * | 1996-02-08 | 1997-03-26 | 史正高 | Horizontal coke pushing machine |
| CN2814024Y (en) * | 2005-07-27 | 2006-09-06 | 宝钢集团上海梅山有限公司 | Coke pushing ram emergency guiding back device |
| CN101942309A (en) * | 2010-09-09 | 2011-01-12 | 江苏泰隆减速机股份有限公司 | Transmission unit for coke pushing machine |
| 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 (2)
| Title |
|---|
| JP特开2008-7530A 2008.01.17 |
| JP特开平9-296858A 1997.11.18 |
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| CN103374366A (en) | 2013-10-30 |
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