CN105057036A - Impact crushing hammer and mounting and on-machine maintenance technology thereof - Google Patents
Impact crushing hammer and mounting and on-machine maintenance technology thereof Download PDFInfo
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- CN105057036A CN105057036A CN201510438644.3A CN201510438644A CN105057036A CN 105057036 A CN105057036 A CN 105057036A CN 201510438644 A CN201510438644 A CN 201510438644A CN 105057036 A CN105057036 A CN 105057036A
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- hammer
- hole
- tup
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Abstract
The invention provides an impact crushing hammer and a mounting and on-machine maintenance technology thereof. The hinge structure of hammer assemblies and rotor hammer discs is as follows: two impact hammer assemblies are symmetrically arranged on the same hammer disc layer at an angle of 180 degrees, and meanwhile, the adjacent hammers of the adjacent layers are mounted in a manner of being staggered for 60 degrees. The layout structure of the hammer assemblies and the rotor hammer discs is as follows: a No. 1 hammer and a No. 2 hammer are symmetrically mounted in the positions of a hole A and a hole G on the first disc layer; a No. 3 hammer and a No. 4 hammer are symmetrically mounted in the positions of a hole C and a hole I on the second disc layer; a No. 5 hammer and a No. 6 hammer are symmetrically mounted in the positions of a hole E and a hole K on the third disc layer; and the other hammers are sequentially arranged in the same way, thereby ensuring that the two hammers on the same hammer disc layer are symmetrically at an angle of 180 degrees, and the adjacent hammers of the adjacent hammer disc layers are mounted in a manner of being staggered for 60 degrees. The impact crushing hammer has the advantages that the consumption of spare parts is reduced, and the equipment running power consumption is also reduced; retaining shoulders are omitted, and the difficulty of the manufacturing technology is reduced, so that the unit price of the impact hammer and the purchase expenses of the spare parts are reduced; and the average service life of the impact hammer is prolonged by two times.
Description
Technical field
The present invention relates to chemical material mechanical crushing field, be specifically related to one lengthen the life the broken machine of separation type reversible counterattack hammer coal dust counterattack pulverize hammer and install and in machine overhauling technique.
Background technology
Coking coal is the unsetting material of a kind of grade composition complicated (generally dividing by >25mm, 25mm ~ 10mm, 10mm ~ 5mm, 5mm ~ 3mm, 3mm ~ 1.5mm, 1.5mm ~ 1mm, <1mm).Coking coal enters the fineness level that ratio that stokehold generally adopts the broken machine of reversible counterattack hammer coal dust to be crushed to grade≤3mm accounts for 65% ~ 80%.
The broken machine disintegrating mechanism of reversible counterattack hammer coal dust is made up of rotor hammer dish, impact hammer (comprising tup and hammer handle), counterpunch board etc., its impact hammer has one and split 2 kinds by tup and hammer handle combination form, the two have stop shoulder block (be fitted to handle body and with rotor hammer dish close to position in case when rotor high-speed operates impact hammer swing collide with each other and damage) and interior pin (hammer handle being connected on rotor hammer dish); In addition separation type impact hammer accessory also has external pin (being connected on hammer handle by tup).Anti-hammer average life, general only about 3 months of separation type, one-piece type is also no more than 6 months.
The arrangement of impact hammer on rotor hammer dish is: with layer hammer dish by 120
0uniform 3 hammers, the adjacent impact hammer of adjacent layer hammer dish then staggers mutually 30
0.This arrangement is from stable equipment operation and crush efficiency aspect and no problem.But concerning maximum particle size≤80mm and more breakable coking coal materials, Shortcomings: one is that same layer installs 3 impact hammers, consider from mechanism's dynamic balancing on the one hand, of poor quality ≯ 25g between 3 tups need be protected, both cause power wastage on the other hand, also easily cause overcrushing (some users also take to remove the impact hammer of part rotor hammer dish in case excessively pulverize); Two is rock aggravation along with after counterattack hammer handle 2 end connection pin bore wear, and the adjacent impact hammer tup of adjacent layer, up in the linear velocity running of 45m/s, clashes into very easily mutually, accelerates impact hammer tup corrupted.
The broken machine fault of reversible counterattack hammer coal dust is mainly at impact hammer, and common manifestation is that tup comes off (external pin connecting tup and hammer handle is disconnected de-) or tup breakage and arriving of poor qualityly between same layer tup is marked, hammer handle fracture etc.
Coal pulverizing process generally configures 2 reversible counterattack beater grinders by the using and the reserved.For such pulverizer of the one-piece type impact hammer of configuration; use pulverizer hammer corrupted once have, its rotor mechanism entirety need split out, change the spare rotor hammer dish being pre-installed impact hammer; overall returning fills again, therefore 2 pulverizers usually also need configuration 1 spare rotor hammer dish.Even so, be consuming timely still about one week, period is once still can affect production breaking down with pulverizer.
Summary of the invention
Object of the present invention be just to provide one lengthen the life the broken machine of separation type reversible counterattack hammer coal dust counterattack pulverize hammer and install and in machine overhauling technique.
Solution of the present invention is such:
A hammer is pulverized in counterattack, and tup assembly comprises tup, hammer handle and column jacket pin-and-hole component, and the interior pin of described tup assembly is articulated with rotor hammer dish, it is characterized in that: described tup assembly and rotor hammer dish articulated structure are: with layer hammer dish by 180
0be arranged symmetrically with the impact hammer assembly described in two; Between adjacent bed, adjacent hammer angle presses 60 simultaneously
0to stagger installation.
Technical scheme also comprises more specifically: the hammer rib that described tup is vertical with anchor ring when rotating adopts R15 ~ 20 chamfering rib.
Further: in described hammer handle, pommel head is designed to square toes stop shoulder block.
Further: described hammer handle two and material movement use D112 chrome-molybdenum steel welding rod to pile to contact surface and be welded into δ 4 wear-resistant protective layer, and area accounts for its exposed area 2/3 ~ 3/4.
Further: with layer hammer dish by 180
0be arranged symmetrically with two tups of the impact hammer assembly described in two of poor quality ≯ 50g.
Further: the interior pin overcoat of tup assembly hinged rotor hammer dish is connected to wear-resistant sleeve.
Further: the arrangement of tup assembly and rotor hammer dish is: 1
#hammer, 2
#hammer symmetry is installed on A hole, the position, G hole of the first disc layer; 3
#hammer, 4
#hammer symmetry is installed on C hole, the position, I hole of the second disc layer; 5
#hammer, 6
#hammer symmetry is installed on E hole, the position, K hole of the 3rd disc layer; The rest may be inferred for all the other, guarantees that two hammers of same layer hammer dish are by 180
0be arranged symmetrically with, the adjacent hammer of adjacent bed hammer dish then staggers 60
0install.
Strike back pulverize hammer installation with in a machine overhauling technique, comprise step:
(1) setting steps of hammer dish and piston hammer head assembly: with layer rotor hammer dish installation two 180
0the piston hammer head assembly be arranged symmetrically with; 1
#hammer, 2
#hammer symmetry is installed on A hole, the position, G hole of the first disc layer; 3
#hammer, 4
#hammer symmetry is installed on C hole, the position, I hole of the second disc layer; 5
#hammer, 6
#hammer symmetry is installed on E hole, the position, K hole of the 3rd disc layer; The rest may be inferred for all the other, guarantees that two hammers of same layer hammer dish are by 180
0be arranged symmetrically with, the adjacent hammer of adjacent bed hammer dish then staggers 60
0install;
(2) tup maintenance step: if tup corrupted or come off, directly cut off external pin (2) in body, pull down old tup and to change the outfit new tup, guarantee two tups on same layer hammer dish of poor quality ≯ 50g.
Advantage of the present invention is:
Without the need to the advantage of dismounting rotor hammer dish when 1, remaining separation type impact hammer tup corrupted.
2,2 180 are pressed with layer rotor hammer dish impact hammer
0be arranged symmetrically with, although make impact hammer quantity decrease 1/3, the ratio that smashing fineness still can meet as-fired coal grade≤3mm accounts for the technological requirement of 65% ~ 80%; Meanwhile, same layer tup control overflow of poor quality can be made to be relaxed to ≯ 50g by ≯ 25g because impact hammer is arranged symmetrically with, both be conducive to reducing spare parts consumption amount, and be also conducive to reduction equipment and run power consumption.
3, remain separation type impact hammer and be convenient to the advantage that tup and hammer handle select unlike material manufacture; And eliminate stop shoulder block, reduce manufacturing process difficulty, thus be conducive to reducing impact hammer unit price and spare parts purchasing expense.
4, tup, hammer handle adopt zirconia, manganese alloy manufacture respectively, adjacent hammer 60 between adjacent bed on rotor hammer dish
0angle and in conjunction with square toes stop shoulder block can effectively prevent run time tup clash into mutually, tup meet material limit chamfering and hammer handle meet charge level paste weldering wear-resistant protective layer design, make the average life span of separation type impact hammer improve twice (6 months).
5, compare with one-piece type impact hammer, one is remain separation type impact hammer in the advantage of machine process tup fault, effectively can to shorten fault handling time, avoids causing adverse effect to production; Two is need not be broken the same with the reversible counterattack hammer coal dust being equipped with one-piece type impact hammer, need join 3 rotor hammer dish standard configuration spare rotor hammer dishes, thus can reduce disposable buying expenses by 2 machines.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is that separation type impact hammer of the present invention is at rotor hammer dish distribution mode figure.
Fig. 5 is the installation partial schematic diagram of invention separation type impact hammer in adjacent 3 disc layer of rotor hammer dish.
Detailed description of the invention
Describe the present invention in detail for the broken machine of PFCK-1825 type reversible counterattack hammer coal dust below, adopt separation type impact hammer, as shown in Figure 1, 2, 3, comprise tup 1, hammer handle 5 and interior pin and wear-resistant sleeve 6, column jacket component 2.Tup adopts and is added with the forging of zirconic mild steel, and hammer handle selects the good manganese steel forging of impact flexibility.To tup 1, its hammer rib (when rotating meet the limit of charge level 3) vertical with anchor ring when rotating adopts R15 ~ 20 chamfering rib; The diameter of its external pin and external pin 2 strengthens 5mm ~ 9mm than first wife simultaneously.To hammer handle 5, widen 2mm ~ 4mm along its length to the equal entire body in first wife's hammer handle both sides; In it, pommel head is designed to dotted line shown in square toes stop shoulder block 7, Fig. 1 and represents its unidirectional limit range of movement signal; In addition two with material movement to contact surface (meeting charge level during rotation) all use D112 chrome-molybdenum steel welding rod built-up welding δ 4 wear-resistant protective layer 4, area accounts for 2/3 ~ 3/4 of exposure.
The arrangement of separation type impact hammer on rotor hammer dish 8
:as shown in Figure 4,5,1
#hammer 9,2
#hammer A hole, position, G hole that 15 symmetries are installed on the first disc layer 10 into shape; 3
#hammer 12,4
#hammer C hole, position, I hole that 16 symmetries are installed on the second disc layer 11 into shape; 5
#hammer 14,6
#hammer E hole, position, K hole that 17 symmetries are installed on rate three disc layer 13 into shape; The rest may be inferred for all the other.Thus guarantee that 2 hammers of same layer hammer dish are by 180
0be arranged symmetrically with, the adjacent hammer of adjacent bed hammer dish then staggers 60
0install.
If time tup 1 fault (corrupted or come off), not dismounting rotor mechanism, directly cuts off external pin 2, pulls down old tup and to change the outfit new tup in body, only need guarantee two tups 1 on same layer hammer dish of poor quality ≯ 50g.
Claims (8)
1. hammer is pulverized in a counterattack, tup assembly comprises tup (1), hammer handle (5) and column jacket pin-and-hole component (2), the interior pin of described tup assembly is articulated with rotor hammer dish (8), it is characterized in that: described tup assembly and rotor hammer dish (8) articulated structure are: with layer hammer dish by 180
0be arranged symmetrically with the impact hammer assembly described in two; Between adjacent bed, adjacent hammer angle presses 60 simultaneously
0to stagger installation.
2. hammer is pulverized in counterattack according to claim 1, it is characterized in that: the hammer rib that described tup (1) is vertical with anchor ring when rotating adopts R15 ~ 20 chamfering rib.
3. hammer is pulverized in counterattack according to claim 1, it is characterized in that: the interior pommel head of described hammer handle (5) is designed to square toes stop shoulder block (7).
4. hammer is pulverized in counterattack according to claim 1 and 2, it is characterized in that: described hammer handle (5) two and material movement use D112 chrome-molybdenum steel welding rod to pile to contact surface and be welded into δ 4 wear-resistant protective layer (4), and area accounts for its exposed area 2/3 ~ 3/4.
5. hammer is pulverized in counterattack according to claim 1, it is characterized in that: with layer hammer dish by 180
0be arranged symmetrically with two tups of the impact hammer assembly described in two of poor quality ≯ 50g.
6. hammer is pulverized in counterattack according to claim 1 and 2, it is characterized in that: the interior pin overcoat of tup assembly hinged rotor hammer dish (8) is connected to wear-resistant sleeve (6).
7. hammer is pulverized in counterattack according to claim 1, it is characterized in that: the arrangement of tup assembly and rotor hammer dish (8) is: 1
#hammer (9), 2
#hammer (15) symmetry is installed on A hole, the position, G hole of the first disc layer (10); 3
#hammer (12), 4
#hammer (16) symmetry is installed on C hole, the position, I hole of the second disc layer (11); 5
#hammer (14), 6
#hammer (17) symmetry is installed on E hole, the position, K hole of the 3rd disc layer (13); The rest may be inferred for all the other, guarantees that two hammers of same layer hammer dish are by 180
0be arranged symmetrically with, the adjacent hammer of adjacent bed hammer dish then staggers 60
0install.
8. the installation adopting described in claim 1 counterattack to pulverize hammer with in a machine overhauling technique, it is characterized in that: comprise step:
(1) setting steps of hammer dish and piston hammer head assembly: with layer rotor hammer dish installation two 180
0the piston hammer head assembly be arranged symmetrically with; 1
#hammer (9), 2
#hammer (15) symmetry is installed on A hole, the position, G hole of the first disc layer (10); 3
#hammer (12), 4
#hammer (16) symmetry is installed on C hole, the position, I hole of the second disc layer (11); 5
#hammer (14), 6
#hammer (17) symmetry is installed on E hole, the position, K hole of the 3rd disc layer (13); The rest may be inferred for all the other, guarantees that two hammers of same layer hammer dish are by 180
0be arranged symmetrically with, the adjacent hammer of adjacent bed hammer dish then staggers 60
0install;
(2) tup maintenance step: if tup corrupted or come off, directly cut off external pin (2) in body, pull down old tup and to change the outfit new tup, guarantee two tups (1) on same layer hammer dish of poor quality ≯ 50g.
Priority Applications (1)
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CN201510438644.3A CN105057036A (en) | 2015-07-24 | 2015-07-24 | Impact crushing hammer and mounting and on-machine maintenance technology thereof |
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CN201510438644.3A CN105057036A (en) | 2015-07-24 | 2015-07-24 | Impact crushing hammer and mounting and on-machine maintenance technology thereof |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4290545A (en) * | 1979-02-28 | 1981-09-22 | Sivyer Steel Corporation | Method of attaching a protective cap to a shredder component |
GB2146917A (en) * | 1983-09-23 | 1985-05-01 | Walchandnagar Ind Ltd | Cane mincer |
CN2271410Y (en) * | 1996-09-12 | 1997-12-31 | 顾齐航 | Hammer crusher |
CN2592275Y (en) * | 2003-02-28 | 2003-12-17 | 扬州伟江建材机械有限公司 | Reversible impact hammer crushing machine |
CN201223809Y (en) * | 2008-05-23 | 2009-04-22 | 孙广朋 | Adjustable non-block strong crusher |
CN202179980U (en) * | 2011-08-09 | 2012-04-04 | 山东同信实业有限公司 | Split combination type striking hammer for crusher |
KR20140002985A (en) * | 2012-06-28 | 2014-01-09 | 현대제철 주식회사 | Hammer clip of hammer mill for crushing coal |
CN203591841U (en) * | 2013-09-22 | 2014-05-14 | 山西中条山新型建材有限公司 | Hammer crusher |
CN203663905U (en) * | 2013-11-01 | 2014-06-25 | 天津市正平机械新技术有限公司 | Crushing device of crusher |
CN104128231A (en) * | 2014-06-30 | 2014-11-05 | 洛阳天信重工机械有限公司 | Crusher impact hammer and production process |
-
2015
- 2015-07-24 CN CN201510438644.3A patent/CN105057036A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4290545A (en) * | 1979-02-28 | 1981-09-22 | Sivyer Steel Corporation | Method of attaching a protective cap to a shredder component |
GB2146917A (en) * | 1983-09-23 | 1985-05-01 | Walchandnagar Ind Ltd | Cane mincer |
CN2271410Y (en) * | 1996-09-12 | 1997-12-31 | 顾齐航 | Hammer crusher |
CN2592275Y (en) * | 2003-02-28 | 2003-12-17 | 扬州伟江建材机械有限公司 | Reversible impact hammer crushing machine |
CN201223809Y (en) * | 2008-05-23 | 2009-04-22 | 孙广朋 | Adjustable non-block strong crusher |
CN202179980U (en) * | 2011-08-09 | 2012-04-04 | 山东同信实业有限公司 | Split combination type striking hammer for crusher |
KR20140002985A (en) * | 2012-06-28 | 2014-01-09 | 현대제철 주식회사 | Hammer clip of hammer mill for crushing coal |
CN203591841U (en) * | 2013-09-22 | 2014-05-14 | 山西中条山新型建材有限公司 | Hammer crusher |
CN203663905U (en) * | 2013-11-01 | 2014-06-25 | 天津市正平机械新技术有限公司 | Crushing device of crusher |
CN104128231A (en) * | 2014-06-30 | 2014-11-05 | 洛阳天信重工机械有限公司 | Crusher impact hammer and production process |
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Application publication date: 20151118 |