CN103394389B - Kibbler roll - Google Patents
Kibbler roll Download PDFInfo
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- CN103394389B CN103394389B CN201310342587.XA CN201310342587A CN103394389B CN 103394389 B CN103394389 B CN 103394389B CN 201310342587 A CN201310342587 A CN 201310342587A CN 103394389 B CN103394389 B CN 103394389B
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- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 abstract description 6
- 238000013467 fragmentation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 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
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The invention belongs to mining machinery technical field, particularly relate to a kind of kibbler roll.A kind of kibbler roll, comprise crusher frame, described crusher frame is rotatablely equipped with the some breaker rolls driven by power set, some described breaker rolls be arranged in parallel, the turning to contrary and form crusher chamber between breaker roll described in adjacent two of breaker roll described in adjacent two, the difference of the quantity of described breaker roll and the quantity of described crusher chamber is 1.Beneficial effect of the present invention: structure is simple, and reasonable in design, often, operating efficiency is high in fragmentation.
Description
Technical field
The invention belongs to mining machinery technical field, particularly relate to a kind of kibbler roll.
Background technology
Kibbler roll is that the breaker roll utilizing matched in clearance also relatively to rotate pulverizes by the ore between two breaker rolls, conventional kibbler roll is divided into double-roll crusher and four-roller crusher according to the quantity of breaker roll, but double-roll crusher or four-roller crusher all just must can complete a rolloff with two breaker rolls, and the quantity of breaker roll is the twice of broken number of times.
The kibbler roll of said structure uses breaker roll quantity many, and complex structure, cost are high, and broken number of times is few, inefficiency.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of kibbler roll, when working with the kibbler roll solving existing use, uses breaker roll quantity many, complex structure, the technical problem that broken number of times is few.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of kibbler roll, comprise crusher frame, described crusher frame is rotatablely equipped with the some breaker rolls driven by power set, some described breaker rolls be arranged in parallel, the turning to contrary and form crusher chamber between breaker roll described in adjacent two of breaker roll described in adjacent two, the difference of the quantity of described breaker roll and the quantity of described crusher chamber is 1, described breaker roll has 6, namely some described broken agglomeration draw together initiatively breaker roll and driven breaker roll, wherein, described active breaker roll comprises the first active breaker roll and second initiatively breaker roll, described driven breaker roll comprises the first driven breaker roll, second driven breaker roll, 3rd driven breaker roll and the 4th driven breaker roll, described first driven breaker roll and the second driven breaker roll arrange in turn and are positioned at the below of the first active breaker roll, 3rd driven breaker roll and the 4th driven breaker roll arrange in turn and are positioned at the top of the second active breaker roll, described first initiatively breaker roll, second initiatively breaker roll and all driven breaker roll parallelogram arrangement, and the first active breaker roll, first is triangularly arranged from broken action roller and the 4th driven breaker roll, the first active breaker roll and the 4th driven breaker roll form first crusher chamber, first driven breaker roll is triangularly arranged with the 3rd driven breaker roll and the 4th driven breaker roll respectively, and the first driven breaker roll and the 4th driven breaker roll form second crusher chamber, first driven breaker roll, the second driven breaker roll and the 3rd driven breaker roll are triangularly arranged, and the first driven breaker roll and the 3rd driven breaker roll form the 3rd crusher chamber, second driven breaker roll is triangularly arranged with the 3rd driven breaker roll and the second active breaker roll respectively, and the second driven breaker roll and the 3rd driven breaker roll form the 4th crusher chamber, second driven breaker roll and second initiatively breaker roll forms the 5th crusher chamber,
Described power set comprise the first motor and the second motor, and described first motor connects the first active breaker roll of head end by belt, and described first active breaker roll is connected by belt wheel transmission with described first driven breaker roll and the second driven breaker roll; Described second motor connects the second active breaker roll of tail end by belt, and described second active breaker roll is connected by belt wheel transmission with described 3rd driven breaker roll and the 4th driven breaker roll.
As further improvement, each described breaker roll to be all slidably mounted on described crusher frame and and to be provided with lash adjusting device between described crusher frame.
As further improvement, described lash adjusting device comprises and is oppositely arranged on upper slide rail in described frame and glidepath, the end winding support of described upper slide rail and glidepath is provided with end casing, the first riser be oppositely arranged and the second riser is slidably fitted with between described upper slide rail and glidepath, described end casing is threaded two adjusting bolts setting up and down, end and described first riser of adjusting bolt described in two offset, some springs are provided with between described first riser and described second riser, the bearing block of described second riser and described breaker roll offsets, the connecting screw rod for described first riser and the second riser being fixed together is provided with between described first riser and described second riser.
As further improvement, described connecting screw rod is all through described first riser and the second riser, and the both sides of described first riser and the second riser are equipped with adjusting nut.
After have employed technique scheme, the invention has the beneficial effects as follows:
Because the breaker roll in disintegrating machine is according to version arranged of the present invention, the course of work that few roller is repeatedly broken can be realized, breaker roll quantity few one is risen to by broken number of times, substantially increase the ratio of reduction, solve conventional breakers and use the technical problem that breaker roll quantity is broken number of times twice, and structure is simple, easy to use and substantially increase operating efficiency, cost and maintenance cost low, dependable performance, dust is few, the features such as noise is low, simultaneously this disintegrating machine is applicable to compression strength and is less than 300Mpa, humidity be less than 30% hard, in the in small, broken bits or ultrafine grinding operation of hard and softer material, for example various clinker, ore, coke, coal, ceramic raw material, grain slag, gypsum, salt, industrial chemicals etc. or the solid material suitable with above hardness.
Because crusher frame is provided with some lash adjusting devices for adjusting crusher chamber between breaker roll, and the equal correspondence in the two ends of each breaker roll is provided with lash adjusting device, thus realize the adjustment of initiatively breaker roll or driven breaker roll position on crusher frame, the end positions place of breaker roll is equipped with adjusting device simultaneously, can ensure that adjusted in concert meets the centerline parallel requirement of breaker roll.
Accompanying drawing explanation
Fig. 1 is that in the embodiment of the present invention, breaker roll has the structural representation arranged when six;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is that in the embodiment of the present invention, breaker roll has the structural representation arranged when five;
In figure, 1, crusher frame, 2, first row breaker roll, 20, the first active breaker roll, the 21, first motor, the 22, first driven breaker roll, 23, the second driven breaker roll, 3, secondary series breaker roll, the 30, second active breaker roll, the 31, second motor, 32, the 3rd driven breaker roll, 33, the 4th driven breaker roll, 4, lash adjusting device, 40, upper slide rail, 41, glidepath, 42, the first riser, the 43, second riser, 44, adjusting bolt, 45, connecting screw rod, 46, spring, 47, breaker roll bearing block, 48, end casing.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1 and Fig. 2 jointly shown in, a kind of kibbler roll, comprise crusher frame 1, crusher frame 1 is rotatablely equipped with the some breaker rolls driven by power set, some breaker rolls be arranged in parallel, turning between contrary and adjacent two breaker rolls of adjacent two breaker rolls forms crusher chamber, and the difference of the quantity of breaker roll and the quantity of crusher chamber is 1.
Breaker roll has 6.
Power set comprise the breaker roll that the first motor 21 and the second motor 31, first motor 21 connect head end, turn between identical breaker roll be in transmission connection with the breaker roll of head end; Second motor 31 connects the breaker roll of tail end, turns between identical breaker roll be also in transmission connection with the breaker roll of tail end.
Each breaker roll to be all slidably mounted on crusher frame 1 and and to be provided with lash adjusting device 4 between crusher frame 1.
Lash adjusting device 4 comprises and is oppositely arranged on upper slide rail 40 on crusher frame 1 and glidepath 41, the end winding support of upper slide rail 40 and glidepath 41 is provided with end casing 48, the first riser 42 and the second riser 43 be oppositely arranged is slidably fitted with between upper slide rail 40 and glidepath 41, end casing 48 is threaded two adjusting bolts 44 setting up and down, end and first riser 42 of two adjusting bolts 44 offset, some springs 46 are provided with between first riser 42 and the second riser 43, second riser 43 offsets with breaker roll bearing block 47, the connecting screw rod 45 for the first riser 42 and the second riser 43 being fixed together is provided with between first riser 42 and the second riser 43.
Connecting screw rod 45 is all equipped with adjusting nut through the both sides of the first riser 42 and the second riser 43, first riser 42 and the second riser 43.
Specific works process when namely ading up to even number with six breaker rolls:
Six roller five recrushers comprise initiatively breaker roll and driven breaker roll, initiatively breaker roll is arranged on the bearing in bearing block by central shaft level, bearing block is arranged on crusher frame 1, in like manner crusher frame 1 is also provided with driven breaker roll therewith, driven breaker roll is positioned at below or the top of initiatively breaker roll, the central shaft of active breaker roll and driven breaker roll is provided with belt wheel, this belt wheel carries out power transmission by V-belt, wherein initiatively breaker roll comprises the first active breaker roll 20 and the second active breaker roll 30, driven breaker roll comprises the first driven breaker roll 22, second driven breaker roll 23, 3rd driven breaker roll 32, 4th driven breaker roll 33,
First driven breaker roll 22 and the second driven breaker roll 23 arrange in turn and are positioned at the below of the first active breaker roll 20;
3rd driven breaker roll 32 and the 4th driven breaker roll 33 arrange in turn and are positioned at the top of the second active breaker roll 30;
As shown in Figure 1: the first initiatively breaker roll 20, second initiatively breaker roll 30 and all driven breaker roll parallelogram arrangement, and the first active breaker roll 20, first is triangularly arranged from broken action roller 22 and the 4th driven breaker roll 33, the first active breaker roll 20 and the 4th driven breaker roll 33 form first crusher chamber;
Driven breaker roll 32 and the 4th driven breaker roll 33 are triangularly arranged first driven breaker roll 22 with the 3rd respectively, and the first driven breaker roll 22 and the 4th driven breaker roll 33 form second crusher chamber;
The first driven breaker roll 23 of driven breaker roll 22, second and the 3rd driven breaker roll 32 are triangularly arranged, and the first driven breaker roll 22 and the 3rd driven breaker roll 32 form the 3rd crusher chamber;
Driven breaker roll 32 and the second active breaker roll 30 are triangularly arranged second driven breaker roll 23 with the 3rd respectively, and the second driven breaker roll 23 and the 3rd driven breaker roll 32 form the 4th crusher chamber;
Second driven breaker roll 23 and the second active breaker roll 30 form the 5th crusher chamber.Utilize six breaker rolls to form above five crusher chamber like this and carry out broken material.
During use, first motor 21 and the second motor 31 are separately installed with electrical machine belt pulley, first active breaker roll 20 and the second active breaker roll 30 are separately installed with driving pulley, electrical machine belt pulley and driving pulley drive above-mentioned two active breaker rolls to rotate by V-belt respectively, also can configure shaft coupling and reductor drive initiatively breaker roll rotation.
First active breaker roll 20 all can rotate clockwise according to identical direction with two driven breaker rolls that it drives, second active breaker roll 30 all can rotate counterclockwise according to identical direction with two driven breaker rolls that it drives, such first initiatively breaker roll 20 drive the first driven breaker roll 22 with the second driven breaker roll 23 and with second initiatively the 3rd driven breaker roll 32 that drives of breaker roll 30 and the 4th driven breaker roll 33 form relative, opposite direction rotating, form above-mentioned five crusher chamber.
Driving pulley wherein on active breaker roll and the electrical machine belt pulley on drive motors are by V-belt connection for transmission, and the form of connection for transmission can have multiple, as shaft coupling and fluid-flywheel clutch.
Driven breaker roll is positioned at top or the below of initiatively breaker roll, the central shaft of active breaker roll and driven breaker roll is provided with belt wheel, carries out transmission between belt wheel by V-belt, so just can realize initiatively breaker roll and drive driven breaker roll to rotate.
The diameter of above-mentioned six breaker rolls can be identical or different, but as an improvement of the present embodiment, in above-mentioned six breaker rolls the first initiatively driven breaker roll 22 of breaker roll 20, first are identical with the diameter of two driven breaker rolls 23, second initiatively breaker roll 30, the 3rd driven breaker roll 32 are identical with the diameter of the 4th driven breaker roll 33, first initiatively breaker roll 20 and the second active breaker roll 30 diameter not etc.
Like this, when six breaker roll matched in clearance rolloff materials time, the arc surface because of different curvature has different linear velocities, also has the effect of rubbing with the hands and cutting while rolloff effect, better to the crushing effect of tough material.
Certainly, in actual applications, all unequal technical scheme of each breaker roll diameter also can be adopted to regulate six breaker roll rotating speeds, to change the linear velocity of six breaker rolls; Six breaker roll diameters can also be selected all identical, different by electrical machine belt pulley diameter, regulate rotating speed and the linear velocity of six rollers.
The roll surface diversification of forms of above-mentioned all breaker rolls, can carry out discaling roll according to required broken material, weldering roller, smooth roll etc. are used alone or several roll surface form is reasonably combined, combinationally use, to meet different material and varigrained broken needs.
Above-mentionedly in like manner can accomplish that three rollers two are broken, four rollers three are broken, and five rollers four are broken, seven rollers six are broken, eight rollers seven are broken etc., so just can realize broken number of times only fewer than breaker roll quantity one few roller repeatedly broken theory.
Meanwhile, for the ease of the adjustment working clearance, need active breaker roll or driven breaker roll to be designed to the adjustable structure in position.Initiatively the central shaft of breaker roll or driven breaker roll is arranged on the bearing in bearing block, bearing block is arranged on crusher frame 1 along slide rail, slide rail level is arranged on crusher frame 1, bearing block two ends are provided with adjusting bolt 44, bearing block just can be made to move together with breaker roll by adjusting bolt 44, thus realize the adjustment of initiatively breaker roll or driven breaker roll position, change crusher chamber gap, thus change particle size after cracking, but suggestion first active breaker roll 20 and the second active breaker roll 30 must not regulate easily.
As shown in Figure 2, on crusher frame 1, the position of corresponding each breaker roll is equipped with lash adjusting device 4, during such needs adjustment fragmentation working clearance, first connecting screw rod 45 is regulated, make spring 46 and the first riser 42 together with the second riser 43 pretension, and then promote the first riser 42, drive above-mentioned pretension riser together and spring as a whole together with move, so just can prevent from, during Compress Spring 46, other bad regulate factors such as shake occur, by adjusting bolt 44, first riser 42 is withstood again after regulating position, quick smoothly adjust each breaker roll and coordinate crushing gap between breaker roll with other,
When advancing or pull each breaker roll, adjusting nut can be regulated to be tightened together with the second riser 43 or the first riser 42 by connecting screw rod 45, so just can be relieved pull or advance riser, prevent the second riser 43 or occur between the first riser 42 and connecting screw rod 45 to loosen, connecting screw rod 45 is unclamped, relieved use after adjustment, safe and reliable, simple to operate, easy to use.
Above-mentioned when pulling or advance the first riser 42 and the first riser 43, both all slide along between upper slide rail 40 and glidepath 41, promote breaker roll bearing block 47 and slide between upper slide rail 40 and glidepath 41, ensure the accurate reliability of breaker roll position adjustment.
As shown in Figure 3, breaker roll adds up to five specific works processes when namely ading up to odd number, the carrying out first time that first broken material enters between the first active breaker roll 20 and the 3rd driven breaker roll 32 is broken, then fall to entering between the first driven breaker roll 22 and the 3rd driven breaker roll 32 and carry out second time fragmentation, then fall to entering the first driven breaker roll 22 and second and initiatively carry out third time fragmentation between breaker roll 30, the driven breaker roll 23 and second of arrival second of falling again initiatively carries out the 4th fragmentation between breaker roll 30, five breaker rolls are employed in such disintegrating machine, last property achieves four fragmentations.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. kibbler roll, comprise crusher frame, it is characterized in that, described crusher frame is rotatablely equipped with the some breaker rolls driven by power set, some described breaker rolls be arranged in parallel, the turning to contrary and form crusher chamber between breaker roll described in adjacent two of breaker roll described in adjacent two, the difference of the quantity of described breaker roll and the quantity of described crusher chamber is 1, described breaker roll has 6, namely some described breaker rolls comprise initiatively breaker roll and driven breaker roll, wherein, described active breaker roll comprises the first active breaker roll and second initiatively breaker roll, described driven breaker roll comprises the first driven breaker roll, second driven breaker roll, 3rd driven breaker roll and the 4th driven breaker roll, described first driven breaker roll and the second driven breaker roll arrange in turn and are positioned at the below of the first active breaker roll, 3rd driven breaker roll and the 4th driven breaker roll arrange in turn and are positioned at the top of the second active breaker roll, described first initiatively breaker roll, second initiatively breaker roll and all driven breaker roll parallelogram arrangement, and the first active breaker roll, the first driven breaker roll and the 4th driven breaker roll is triangularly arranged, the first active breaker roll and the 4th driven breaker roll form first crusher chamber, first driven breaker roll is triangularly arranged with the 3rd driven breaker roll and the 4th driven breaker roll respectively, and the first driven breaker roll and the 4th driven breaker roll form second crusher chamber, first driven breaker roll, the second driven breaker roll and the 3rd driven breaker roll are triangularly arranged, and the first driven breaker roll and the 3rd driven breaker roll form the 3rd crusher chamber, second driven breaker roll is triangularly arranged with the 3rd driven breaker roll and the second active breaker roll respectively, and the second driven breaker roll and the 3rd driven breaker roll form the 4th crusher chamber, second driven breaker roll and second initiatively breaker roll forms the 5th crusher chamber,
Described power set comprise the first motor and the second motor, and described first motor connects the first active breaker roll of head end by belt, and described first active breaker roll is connected by belt wheel transmission with described first driven breaker roll and the second driven breaker roll; Described second motor connects the second active breaker roll of tail end by belt, and described second active breaker roll is connected by belt wheel transmission with described 3rd driven breaker roll and the 4th driven breaker roll.
2. kibbler roll according to claim 1, is characterized in that, each described breaker roll to be all slidably mounted on described crusher frame and and to be provided with lash adjusting device between described crusher frame.
3. kibbler roll according to claim 2, it is characterized in that, described lash adjusting device comprises and is oppositely arranged on upper slide rail on described crusher frame and glidepath, the end winding support of described upper slide rail and glidepath is provided with end casing, the first riser be oppositely arranged and the second riser is slidably fitted with between described upper slide rail and glidepath, described end casing is threaded two adjusting bolts setting up and down, end and described first riser of adjusting bolt described in two offset, some springs are provided with between described first riser and described second riser, the bearing block of described second riser and described breaker roll offsets, the connecting screw rod for described first riser and the second riser being fixed together is provided with between described first riser and described second riser.
4. kibbler roll according to claim 3, is characterized in that, described connecting screw rod is all through described first riser and the second riser, and the both sides of described first riser and the second riser are equipped with adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310342587.XA CN103394389B (en) | 2013-08-07 | 2013-08-07 | Kibbler roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310342587.XA CN103394389B (en) | 2013-08-07 | 2013-08-07 | Kibbler roll |
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| Publication Number | Publication Date |
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| CN103394389A CN103394389A (en) | 2013-11-20 |
| CN103394389B true CN103394389B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310342587.XA Active CN103394389B (en) | 2013-08-07 | 2013-08-07 | Kibbler roll |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498901A (en) * | 2016-02-29 | 2016-04-20 | 四川江油新川矿山机械有限公司 | Jaw crusher driven by two motors |
| CN109046560A (en) * | 2018-09-20 | 2018-12-21 | 郑州长城冶金设备有限公司 | Kibbler roll |
| CN110961229B (en) * | 2019-12-23 | 2021-01-15 | 双键化工（泰兴）有限公司 | Chemical waste treatment device |
| CN111921598B (en) * | 2020-08-28 | 2021-11-05 | 矿冶科技集团有限公司 | Elastic soft contact overcoming internal stress grinding separation technology and equipment |
| CN114130471B (en) * | 2021-11-09 | 2023-02-24 | 遂宁华能机械有限公司 | 4-roller 5-stage roller type superfine grain size metal crusher |
| CN116557477A (en) * | 2023-06-20 | 2023-08-08 | 沃德传动（天津）股份有限公司 | Special speed reducer for crushing station |
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| US1350748A (en) * | 1917-02-13 | 1920-08-24 | Sturtevant Mill Co | Crushing-roll machine |
| CN201067699Y (en) * | 2007-06-29 | 2008-06-04 | 陈韧坚 | Roller pressing crusher |
| CN201279473Y (en) * | 2008-10-15 | 2009-07-29 | 江阴市宏达粉体设备有限公司 | Two-set roller crusher |
| CN201427057Y (en) * | 2009-02-12 | 2010-03-24 | 溧阳市裕达机械有限公司 | three-roller crusher |
| CN101912799A (en) * | 2010-09-15 | 2010-12-15 | 薛梅艳 | Few-roller multiple-crushing machine |
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| CN202752053U (en) * | 2012-07-06 | 2013-02-27 | 义乌市鑫隆机械实业有限公司 | Double roll crusher with function of presetting constant spring initial force |
| CN203470053U (en) * | 2013-08-07 | 2014-03-12 | 山东九昌重工科技有限公司 | Roll crusher |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060004081A (en) * | 2004-07-08 | 2006-01-12 | (주)파워코리아이엔지 | Mobile roll crusher |
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- 2013-08-07 CN CN201310342587.XA patent/CN103394389B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1350748A (en) * | 1917-02-13 | 1920-08-24 | Sturtevant Mill Co | Crushing-roll machine |
| CN201067699Y (en) * | 2007-06-29 | 2008-06-04 | 陈韧坚 | Roller pressing crusher |
| CN201279473Y (en) * | 2008-10-15 | 2009-07-29 | 江阴市宏达粉体设备有限公司 | Two-set roller crusher |
| CN201427057Y (en) * | 2009-02-12 | 2010-03-24 | 溧阳市裕达机械有限公司 | three-roller crusher |
| CN101912799A (en) * | 2010-09-15 | 2010-12-15 | 薛梅艳 | Few-roller multiple-crushing machine |
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| CN103394389A (en) | 2013-11-20 |
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