CN105536937B - Vertical pulverizer with double pendulous devices - Google Patents
Vertical pulverizer with double pendulous devices Download PDFInfo
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- CN105536937B CN105536937B CN201510982851.5A CN201510982851A CN105536937B CN 105536937 B CN105536937 B CN 105536937B CN 201510982851 A CN201510982851 A CN 201510982851A CN 105536937 B CN105536937 B CN 105536937B
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- shaft
- vertical shaft
- vertical
- gland
- sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/08—Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member
Abstract
The invention discloses a kind of vertical pulverizers with double pendulous devices, drive the grinding roller assembly of work by suspension mechanism on plum blossom frame including the plum blossom frame being placed in body and equalization setting, suspension mechanism includes vertical shaft, first and second runner assembly is respectively arranged in vertical shaft upper and lower end, with being provided with upper and lower engaging lug on the corresponding grinding roller assembly in first and second runner assembly position, first and second runner assembly is connected by upper and lower last item lid with upper and lower engaging lug；Semi-circular recesses are offered on the support column of plum blossom frame, vertical shaft card between first and second runner assembly is placed in semi-circular recesses, it is connected as a single entity by gland and plum blossom frame, is arranged with upper shock-reducing sleeve, brass ring pads and the lower shock-reducing sleeve of separate structure successively from top to bottom on the vertical shaft in gland and semi-circular recesses is placed in.The present invention is provided with two-stage pendulous device on vertical shaft, and two-stage pendulous device continuous work increases effective time of equipment operation.
Description
Technical field
The present invention relates to flour mill, more particularly, to a kind of vertical pulverizer with double pendulous devices.
Background technology
Vertical pulverizer work when, plum blossom frame rotation, by suspension mechanism drive grinding roller assembly centrifugal force effect
Under using the vertical shaft of suspension arrangement as center of circle longitudinal oscillation, i.e. vertical shaft is motionless, and grinding roller assembly is rotated relative to vertical shaft, ensure grinding roller begin
It is close to eventually with bull ring, the material between grinding roller and bull ring is milled powdering.Existing vertical pulverizer（Including my company oneself
Production）, the vertical shaft of suspension mechanism is fixedly mounted on plum blossom frame, the rotation of plum blossom frame, is passed through to be sleeved on vertical shaft and is turned
Dynamic component（Including carrying bearing or the runner assembly without bearing）Grinding roller assembly is driven to be swung along vertical shaft.Although runner assembly is equal
Shaft sealer is provided with, but since a large amount of dust, environment very severe can be generated when flour mill works, is embraced once there is vertical shaft
Dead phenomenon, flour mill just necessary shutdown maintenance, simultaneously because the vertical shaft with runner assembly and shaft sealer is complicated, makes
Difficulty is dismantled when must repair, increases maintenance time, prevents user from continuous production, flour mill yield reduction in the unit interval,
The design yield of flour mill is not achieved.
Invention content
The purpose of the present invention is to provide the vertical pulverizers that double pendulous devices are carried on a kind of suspension mechanism.
To achieve the above object, the present invention can take following technical proposals：
Vertical pulverizer of the present invention with double pendulous devices, sets including the plum blossom frame being placed in body and equilibrium
The grinding roller assembly for driving work by suspension mechanism on the plum blossom frame is put, the suspension mechanism includes vertical shaft, in the vertical shaft
Upper end is provided with the first runner assembly, and the vertical shaft lower end is provided with the second turning discreteness, with first runner assembly and
Upper connecting ear and lower connecting ear are provided on the corresponding grinding roller assembly in the second turning discreteness position, first runner assembly leads to
It crosses the upper pressure axial lid of cladding thereon to be fixedly connected with the upper connecting ear, the second turning discreteness is by coating lower last item thereon
Lid is fixedly connected with the lower connecting ear；Semi-circular recesses are offered on the support column of the plum blossom frame, positioned at the first rotating group
Vertical shaft card between part and the second turning discreteness is placed in the semi-circular recesses, by withholding gland and the plum blossom thereon
Frame is connected as a single entity, and is arranged with shock-reducing sleeve, Huang successively from top to bottom on the vertical shaft being placed in the gland and semi-circular recesses
Copper ring pad and lower shock-reducing sleeve, the upper shock-reducing sleeve and lower shock-reducing sleeve are fastened by two halves arc plate, and the brass ring pads are by two
Semicircle ring docks.
First runner assembly includes the top chock being sleeved on the vertical shaft and is placed in the top chock
Upper rotary shaft is held, and is held in the upper rotary shaft and Upper shaft sleeve is set on the vertical shaft between the supreme shaft shoulder in lower section, on the Upper shaft sleeve
Oil sealing in a pair is set with, withholds the first lower axle pressure cap on described below oil sealing by connecting bolt and the upper bearing (metal)
Seat is fixedly connected with, and is packed in upper felt mattress between the first lower axle pressure cap and Upper shaft sleeve in gap by withholding thereon upper
Felt gland is spirally connected with the first lower axle pressure cap and is integrated；It is held in the upper rotary shaft and is provided with make-up on the vertical shaft of top
Gu nut, the first upper bearing (metal) gland button with tank filler sleeve and air vent, which is placed on above the vertical shaft and passes through, connects bolt and institute
Top chock is stated to be connected as a single entity.
The upper rotary shaft, which is held, is packed with asbestos cord at the connection gap of avris.
The second turning discreteness includes the step being sleeved on the vertical shaft and is placed in the step
Lower rotary shaft is held, and top is held to being set with Lower shaft sleeve on the vertical shaft between the lower shaft shoulder in the lower rotary shaft, on the Lower shaft sleeve
Oil sealing under a pair is set with, withholds the second upper bearing (metal) gland above the lower oil sealing by connecting bolt and the lower bearing
Seat is fixedly connected with, and lower felt mattress, the lower felt mattress are packed in the gap between the second upper bearing (metal) gland and Lower shaft sleeve
Lower felt gland has been pressed with step surface level；It is held in the lower rotary shaft and is provided with lower fastening spiral shell on the vertical shaft of lower section
Mother, the second lower axle pressure cap button with tank filler sleeve and air vent be placed below the vertical shaft and pass through connect bolt with it is described under
Bearing block is connected as a single entity
A pair of bearings group that the lower rotary shaft holds to be separated by washer is formed, in the connection gap of the bearing group avris
Place is packed with asbestos cord.
The upper clamp nut is identical with lower clamp nut structure, the retaining by upper and lower round nut and between being placed in one
Washer forms.
The advantage of the invention is that two-stage pendulous device is provided on vertical shaft：In the setting of vertical shaft upper and lower ends and and grinding roller
The first runner assembly and the second turning discreteness that assembly is fixedly connected with constitute level-one swing, the vertical shaft middle part being fixedly connected with plum blossom frame
Two level is constituted by brass ring set to swing.During work, vertical shaft is fixed, and bearing is rotated up and down relative to vertical on grinding roller assembly
Axis rotates, and since bearing operation is flexible, frictional force is small, and the frictional resistance of whole system is small, and bearing only outer ring rotating, contact
Area is big, and bearing capacity is big, and service life is long, and maintenance rate is low, can realize the sustainable production of user, simultaneously because using oil sealing and
Asbestos cord is sealed bearing, effectively powder can be prevented to enter bearing chamber, ensure that in bearing chamber without dust.With work
The extension of time, once there is the phenomenon that locking between vertical shaft and bearing, vertical shaft can be carried on a shoulder pole in brass ring pads at this time, generated with it
It is opposite to slide（It is equivalent to sliding bearing）, realize the rotation of grinding roller assembly, i.e. grinding roller assembly may continue to work normally, Er Qieyou
It is connected as a single entity in entire suspension mechanism by gland and plum blossom frame, and upper shock-reducing sleeve, brass ring pads and lower shock-reducing sleeve are by two
The fabricated structure that semi arch plate fastening is integrated, it is rapid convenient to replace, and greatly reduces maintenance time, increases equipment fortune
The effective time turned.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of plum blossom frame in Fig. 1.
Fig. 3 is A portions enlarged drawing in Fig. 1.
Fig. 4 is B portions enlarged drawing in Fig. 1.
Specific embodiment
As shown in Figure 1, 2, the vertical pulverizer of the present invention with double pendulous devices, including the plum being placed in body
Flower stand 1 and equalization setting are driven the grinding roller assembly 2 of work on plum blossom frame by suspension mechanism, and suspension mechanism of the invention includes vertical
Axis 3, the first runner assembly is provided in 3 upper end of vertical shaft, 3 lower end of vertical shaft is provided with the second turning discreteness, with the first rotating group
Upper connecting ear 4 and lower connecting ear 5, the first rotating group are provided on the corresponding grinding roller assembly 2 of part and the second turning discreteness position
Part is fixedly connected with by the upper pressure axial lid 6 coated thereon with upper connecting ear 4, and the second turning discreteness is by coating pushing shaft-cup thereon
7 are fixedly connected with lower connecting ear 5；Semi-circular recesses 9 are offered on the support column 8 of plum blossom frame 1, positioned at the first runner assembly and
Vertical shaft card between two runner assemblies is placed in semi-circular recesses 9, and one is linked as with plum blossom frame 1 by the gland 10 withheld thereon
Body is arranged with shock-reducing sleeve 11, brass ring pads successively from top to bottom on the vertical shaft 3 being placed in gland 10 and semi-circular recesses 9
12 and lower shock-reducing sleeve 13, upper shock-reducing sleeve 11 and lower shock-reducing sleeve 13 fastened by two halves arc plate, brass ring pads 12 are by two semicircular
Ring docks.
As shown in figure 3, the first runner assembly of the present invention includes the top chock 1a being sleeved on vertical shaft 3 and is placed in axis
Upper rotary shaft in bearing holds 2a, is held in upper rotary shaft and Upper shaft sleeve 3a is set on the vertical shaft below 2a between the supreme shaft shoulder, on
Oil sealing 4a in a pair is set on axle sleeve, withholds the first lower axle pressure cap 5a below upper oil sealing by connecting bolt and upper axis
Bearing 1a is fixedly connected with, and is packed between the first lower axle pressure cap 5a and Upper shaft sleeve 3a the upper felt mattress 6a in gap by withholding it
On upper felt gland 7a be spirally connected and be integrated with the first lower axle pressure cap 5a；It holds in upper rotary shaft and is provided on the vertical shaft above 2a
Upper clamp nut 8a（Floor clip by upper and lower round nut and between being placed in one forms）, with tank filler sleeve and air vent
One upper bearing (metal) gland 9a buttons are placed on above vertical shaft and pass through and connect bolt and be connected as a single entity with top chock 1a.
The leakproofness of 2a is held to increase upper rotary shaft, upper rotary shaft holds and is packed with asbestos at the connection gap of 2a avris
Rope.
As shown in figure 4, the second turning discreteness of the present invention includes the step 1b being sleeved on vertical shaft 3 and is placed in lower axle
Lower rotary shaft in bearing holds 2b, is held above 2b in lower rotary shaft to being set with Lower shaft sleeve 3b on the vertical shaft between the lower shaft shoulder, under
Oil sealing 4b under a pair is set on axle sleeve, withholds the second upper bearing (metal) gland 5b above lower oil sealing by connecting bolt and lower axle
Bearing 1b is fixedly connected with, and lower felt mattress 6b, lower felt are packed in the gap between the second upper bearing (metal) gland 5b and Lower shaft sleeve 3b
Pad 6b and step 1b surfaces level have pressed lower felt gland 7b；In the case where lower rotary shaft is held and is provided on the vertical shaft below 2b
Clamp nut 8b（Floor clip equally by upper and lower round nut and between being placed in one forms）, with tank filler sleeve and air vent
Second lower axle pressure cap 9b buttons are placed below vertical shaft and pass through and connect bolt and be connected as a single entity with step 1b
To increase the bearing capacity of bearing, it is that a pair of bearings group separated by washer is formed that lower rotary shaft, which holds 2b, under increase
The leakproofness of rolling bearing 2b is also packed with asbestos cord at the connection gap of bearing group avris.
Upper clamp nut 8a used in the present invention is identical with the structure of lower clamp nut 8b, by upper and lower round nut and puts
It is formed in in-between floor clip.
During installation, Lower shaft sleeve 3b is bumped against into lower shaft shoulder position in 3 lower end of vertical shaft first, then by lower felt gland 7b and
Two upper bearing (metal) gland 5b are set in place successively, load onto oil sealing 4b under a pair, then lower rotary shaft is held 2b（Two bearings and centre
Washer）It is installed in place, is locked with lower clamp nut 8b；Then bearing block 1b is loaded, in lower felt gland 7b and the second upper bearing (metal)
Lower felt mattress 6b is clogged between gland 5b, with connection bolt by lower felt gland 7b, the second upper bearing (metal) gland 5b and step
1b fix in position；Finally the second lower axle pressure cap 9b is fixed with bolt.In installation process, respectively by connecting portion（Especially
It is that upper rotary shaft is held at the connection gap of 2a avris）All filling asbestos cords are sealed, and complete the installation of the second turning discreteness.
Then Upper shaft sleeve 3a is attached to upper shaft shoulder position from the upper end of vertical shaft 3, then by upper felt gland 7a, the first lower axle
Pressure cap 5a and a pair of upper oil sealing 4a are loaded onto after washer successively to trapping, and upper rotary shaft is held 2a and is installed in place with fastening
Nut 8a（Floor clip by upper and lower round nut and between being placed in one forms）Locking.Then bearing block 1a is loaded onto, uses bolt
First upper bearing (metal) gland 9a is fixed on top chock 1a.Among upper felt gland 7a and the first lower axle pressure cap 5a beyond the Great Wall
Upper felt mattress 6a, with bolt upper felt gland 7a, the first lower axle pressure cap 5a and top chock 1a fix in position.It was installing
Respectively connecting portion in journey（Especially at the connection gap of bearing group avris）Also all filling asbestos cords are sealed, and complete the
The installation of one runner assembly.
Above-mentioned mounted first runner assembly and the second turning discreteness are stuck in the upper connecting ear 4 of grinding roller assembly 2
It in the groove of lower connecting ear 5, is withheld with upper pressure axial lid 6 and pushing shaft-cup 7, blending bolt fixation is allowed to connect with grinding roller assembly 2
It is integrated.Then a semicircular ring circle of the half arc plate and brass ring pads 12 of upper shock-reducing sleeve 11 and lower shock-reducing sleeve 13 is mounted in plum
In the semi-circular recesses 9 opened up on the support column 8 of flower stand 1, the mounted vertical shaft 3 with grinding roller assembly is lifted in place, then
Shock-reducing sleeve 11 on the other half, brass ring pads 12 and lower shock-reducing sleeve 13 are loaded onto successively, gland 10 are finally installed, by itself and plum blossom frame 1
It is connected as a single entity.
During work, plum blossom frame 1 rotates, and under the action of the centrifugal force, grinding roller is swung grinding roller assembly 2 with vertical shaft 3 for rounded longitudinal,
Its neutral axis 3 is fixed, and upper rotary shaft holds 2a and lower rotary shaft is held 2b and rotated relative to vertical shaft 3, and grinding roller is close to always with bull ring, right
Material therein is rolled；Since upper rotary shaft holds 2a and lower rotary shaft holds that 2b rotations are flexible, and frictional force is small, whole system phase
The sliding-frictional resistance of cast iron nested structure is reduced；Since the upper rotary shaft of the present invention holds 2a and lower rotary shaft holds 2b inner rings not
Turn, outer ring rotating, contact area is big during rotation, and bearing capacity is big, therefore service life is long, and maintenance rate is low.Meanwhile the present invention uses one
To upper oil sealing 4a（First runner assembly）, a pair of lower oil sealing 4b（The second turning discreteness）And be sealed with reference to asbestos cord, it can be with
Powder is effectively prevent to enter bearing chamber, ensures bearing chamber without dust；With the extension of working time, even if there is vertical shaft and bearing
Between locking the phenomenon that（Failure is swung by the level-one that the first runner assembly and the second turning discreteness form）, at this time vertical shaft 3 can carry on a shoulder pole
In brass ring pads 12, produced relative sliding with it（It is equivalent to sliding bearing）, realize the lasting rotation of grinding roller assembly 2, that is, grind
Roller assembly 2 may continue to normal work a period of time under two level swing effect.
The present invention is since entire suspension mechanism being connected as a single entity, and upper vibration damping by gland 10 and plum blossom frame 1 by bolt
Set 11, brass ring pads 12 and lower shock-reducing sleeve 13 are two halves formula separate structure, and it is rapid convenient that when failure is replaced, and subtracts significantly
Maintenance time is lacked, has increased the effective time of equipment operation, more than 20% equipment yield can be increased.
Claims (7)
1. a kind of vertical pulverizer with double pendulous devices, including the plum blossom frame being placed in body（1）With equalization setting in institute
State the grinding roller assembly for driving work on plum blossom frame by suspension mechanism（2）, the suspension mechanism include vertical shaft（3）, in the vertical shaft
（3）Upper end is provided with the first runner assembly, in the vertical shaft（3）Lower end is provided with the second turning discreteness, it is characterised in that：With institute
State the corresponding grinding roller assembly of the first runner assembly and the second turning discreteness position（2）On be provided with upper connecting ear（4）With lower company
Lug（5）, first runner assembly is by coating upper pressure axial lid thereon（6）With the upper connecting ear（4）It is fixedly connected with, it is described
The second turning discreteness is by coating pushing shaft-cup thereon（7）With the lower connecting ear（5）It is fixedly connected with；In the plum blossom frame（1）
Support column（8）On offer semi-circular recesses（9）, the vertical shaft card between the first runner assembly and the second turning discreteness puts
In the semi-circular recesses（9）It is interior, by withholding gland thereon（10）With the plum blossom frame（1）It is connected as a single entity；Being placed in
State gland（10）And semi-circular recesses（9）Interior vertical shaft（3）On be arranged with shock-reducing sleeve successively from top to bottom（11）, brass ring pads
（12）With lower shock-reducing sleeve（13）, the upper shock-reducing sleeve（11）With lower shock-reducing sleeve（13）It is fastened by two halves arc plate, the Huang
Copper ring pad（12）It is docked by two semicircular ring.
2. the vertical pulverizer according to claim 1 with double pendulous devices, it is characterised in that：First rotating group
Part includes being sleeved on the vertical shaft（3）On top chock（1a）It is held with the upper rotary shaft being placed in the top chock（2a）,
It is held in the upper rotary shaft（2a）Upper shaft sleeve is set on vertical shaft between the supreme shaft shoulder in lower section（3a）, it is set on the Upper shaft sleeve
There is oil sealing in a pair（4a）, withhold the first lower axle pressure cap below oil sealing on described（5a）By connect bolt with it is described on
Bearing block（1a）It is fixedly connected with, is packed in the first lower axle pressure cap（5a）And Upper shaft sleeve（3a）Between upper felt mattress in gap
（6a）By withholding upper felt gland thereon（7a）With the first lower axle pressure cap（5a）It is spirally connected and is integrated；Turn on described
Dynamic bearing（2a）Clamp nut is provided on the vertical shaft of top（8a）, the first upper bearing (metal) gland with tank filler sleeve and air vent
（9a）Button, which is placed on above the vertical shaft and passes through, connects bolt and the top chock（1a）It is connected as a single entity.
3. the vertical pulverizer according to claim 2 with double pendulous devices, it is characterised in that：The upper rotary shaft is held
（2a）Asbestos cord is packed at the connection gap of avris.
4. the vertical pulverizer according to claim 1 with double pendulous devices, it is characterised in that：Second rotating group
Part includes being sleeved on the vertical shaft（3）On step（1b）It is held with the lower rotary shaft being placed in the step（2b）,
It is held in the lower rotary shaft（2b）Lower shaft sleeve is set on top to the vertical shaft between the lower shaft shoulder（3b）, it is set on the Lower shaft sleeve
There is oil sealing under a pair（4b）, withhold the second upper bearing (metal) gland above the lower oil sealing（5b）By connect bolt with it is described under
Bearing block（1b）It is fixedly connected with, in the second upper bearing (metal) gland（5b）And Lower shaft sleeve（3b）Between gap in be packed with lower felt
Pad（6b）, the lower felt mattress（6b）And step（1b）Surface level has pressed lower felt gland（7b）；At described lower turn
Dynamic bearing（2b）Lower clamp nut is provided on the vertical shaft of lower section（8b）, the second lower axle pressure cap with tank filler sleeve and air vent
（9b）Button, which is placed below the vertical shaft and passes through, connects bolt and the step（1b）It is connected as a single entity.
5. the vertical pulverizer according to claim 4 with double pendulous devices, it is characterised in that：The lower rotary shaft is held
（2b）A pair of bearings group to be separated by washer is formed, and asbestos cord is packed at the connection gap of the bearing group avris.
6. the vertical pulverizer according to claim 2 with double pendulous devices, it is characterised in that：The upper clamp nut
（8a）Floor clip by upper and lower round nut and between being placed in one forms.
7. the vertical pulverizer according to claim 4 with double pendulous devices, it is characterised in that：The lower clamp nut
（8b）Floor clip by upper and lower round nut and between being placed in one forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982851.5A CN105536937B (en) | 2015-12-24 | 2015-12-24 | Vertical pulverizer with double pendulous devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982851.5A CN105536937B (en) | 2015-12-24 | 2015-12-24 | Vertical pulverizer with double pendulous devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105536937A CN105536937A (en) | 2016-05-04 |
| CN105536937B true CN105536937B (en) | 2018-06-22 |
Family
ID=55816771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982851.5A Active CN105536937B (en) | 2015-12-24 | 2015-12-24 | Vertical pulverizer with double pendulous devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105536937B (en) |
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| CN202893428U (en) * | 2012-11-16 | 2013-04-24 | 郑州维科重工机械有限公司 | Suspension device between grinding roll of flour mill and star rack |
| CN203648633U (en) * | 2013-12-27 | 2014-06-18 | 郑州维科重工机械有限公司 | Suspension device between grinding roller assembly and star rack of flour mill |
| CN104056690A (en) * | 2014-07-22 | 2014-09-24 | 郑州维科重工机械有限公司 | Bent arm suspending device between grinding roller assembly and plum blossom shaped frame of mill |
| CN205435872U (en) * | 2015-12-24 | 2016-08-10 | 河南维科重工机械有限公司 | Vertical roller mill powder machine with two pendulous devices |
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| US6502824B2 (en) * | 2000-12-15 | 2003-01-07 | General Electric Company | Brush seal for a bearing cavity |
| JP3738367B2 (en) * | 2002-05-20 | 2006-01-25 | 株式会社ティエスピー | Crusher |
| US7584917B2 (en) * | 2007-03-29 | 2009-09-08 | Alstom Technology Ltd | Seal for coiled spring assembly |
| JP5600547B2 (en) * | 2010-10-15 | 2014-10-01 | シニオン株式会社 | Roll mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652497Y (en) * | 2003-09-27 | 2004-11-03 | 郑州市中原嵩山机械制造有限公司 | Lateral swing suspending roll mechanism for suspending roll lateral swing high efficiency powder grinder |
| CN200963595Y (en) * | 2006-10-31 | 2007-10-24 | 夏纪勇 | Roller mill |
| CN201108847Y (en) * | 2007-09-19 | 2008-09-03 | 容北国 | Longitudinal-pendulum type grinding machine |
| CN202460745U (en) * | 2012-01-19 | 2012-10-03 | 桂林恒达矿山机械有限公司 | Grinding roller device of vertical swing type grinding mill |
| CN202893428U (en) * | 2012-11-16 | 2013-04-24 | 郑州维科重工机械有限公司 | Suspension device between grinding roll of flour mill and star rack |
| CN203648633U (en) * | 2013-12-27 | 2014-06-18 | 郑州维科重工机械有限公司 | Suspension device between grinding roller assembly and star rack of flour mill |
| CN104056690A (en) * | 2014-07-22 | 2014-09-24 | 郑州维科重工机械有限公司 | Bent arm suspending device between grinding roller assembly and plum blossom shaped frame of mill |
| CN205435872U (en) * | 2015-12-24 | 2016-08-10 | 河南维科重工机械有限公司 | Vertical roller mill powder machine with two pendulous devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105536937A (en) | 2016-05-04 |
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| CB02 | Change of applicant information |
Address after: 454350 industrial agglomeration area of Xiu Wu County, Jiaozuo, Henan Applicant after: Henan Veken Heavy Machinery Co. Address before: No. 5, ran Tun Dong Road, Zhongyuan District, Zhengzhou, Henan Province Applicant before: Henan Wei Ke heavy industry Machinery Co., Ltd. |
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Effective date of registration: 20210527 Address after: No. 169, science Avenue, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee after: HENAN LIMING HEAVY INDUSTRY & SCIENCE Co.,Ltd. Patentee after: SHIBANG INDUSTRIAL TECHNOLOGY GROUP Co.,Ltd. Address before: 454350 industrial agglomeration area of Xiu Wu County, Jiaozuo, Henan Patentee before: Henan Veken Heavy Machinery Co. |
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