CN106925383B - Special roller for grinding equipment - Google Patents
Special roller for grinding equipment Download PDFInfo
- Publication number
- CN106925383B CN106925383B CN201710318470.6A CN201710318470A CN106925383B CN 106925383 B CN106925383 B CN 106925383B CN 201710318470 A CN201710318470 A CN 201710318470A CN 106925383 B CN106925383 B CN 106925383B
- Authority
- CN
- China
- Prior art keywords
- shaped
- ceramic
- tire
- pad units
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 120
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract 7
- 238000000034 method Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B02C15/004—Shape or construction of rollers or balls
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A special roller for grinding equipment is characterized by comprising a tire-shaped roller shell and a ceramic filler block arranged on the outer surface of the tire-shaped roller shell. The both sides edge of the surface of tire shape running roller casing is provided with the flange, and the ceramic filler block sets up between the flange of both sides, and the ceramic filler block includes several groups of ceramic lining group that closely is in the same place each other around the periphery of the surface of tire shape running roller casing, and every group ceramic filler block group is including the both sides ceramic filler block unit that closely is in the same place each other and be located the middle filler block unit of both sides ceramic filler block unit. Compared with the prior art, the invention has the advantages of further improving the abrasive resistance of the grinding disc and preventing the secondary iron pollution.
Description
Technical Field
The invention relates to a grinding technology.
Background
The working principle of the existing grinding equipment for grinding ceramic raw materials is that large ceramic raw materials are extruded and crushed in a roller path formed by a grinding disc and a roller of the grinding equipment, the working surface of the roller is generally made of surfacing wear-resistant steel, abrasion inevitably occurs in the grinding process, the service life is shortened, and iron abrasion substances are mixed into finished ceramic raw materials, so that the workload of a subsequent iron removal process is increased, the quality of subsequent ceramic fired products is influenced, for example, the whiteness is reduced.
Disclosure of Invention
The invention aims to provide a special roller for grinding equipment, which can further improve the wear resistance of the roller and prevent secondary iron pollution.
The invention is realized by the following steps that the ceramic lining block comprises a tire-shaped roller shell and ceramic lining blocks arranged on the outer surface of the tire-shaped roller shell, wherein two sides of the outer surface of the tire-shaped roller shell are inclined planes, flanges are arranged on the edges of two sides of the outer surface of the tire-shaped roller shell, the ceramic lining blocks are arranged between the two side flanges, each ceramic lining block comprises a plurality of groups of ceramic lining blocks which are mutually and closely arranged along the periphery of the outer surface of the tire-shaped roller shell, each group of ceramic lining blocks comprises two side ceramic lining block units which are mutually and closely arranged and a lining block unit positioned between the two side ceramic lining block units, each side ceramic lining block unit comprises a fixed seat which is fixed on the inclined plane of the tire-shaped roller shell and is provided with a U-shaped groove and a ceramic grinding block which is embedded on the U-shaped groove of the fixed seat, a dovetail groove is formed between the two side ceramic lining block units of each group, and each middle lining block unit comprises a fixed seat which is fixed on the middle part of the outer surface of the tire-shaped roller shell and is provided with a U-shaped groove The dovetail-shaped ceramic grinding block is embedded in a dovetail groove formed between the two side ceramic lining block units.
The invention adopts two side ceramic lining block units and a middle lining block unit and fixes the units between the two side flanges, thereby effectively fixing the ceramic lining blocks and bearing certain working pressure and tangential force, forming a layer of ceramic lining plate on the working surface of the roller, ensuring that the ceramic lining blocks do not fall off in the working process and ensuring the continuous grinding process.
Here, in order to ensure tight connection of the two side ceramic pad units and the middle pad unit, a high temperature-resistant rubber pad is disposed between the two side ceramic pad units and the middle pad unit.
Compared with the prior art, the invention adopts a special structure to effectively fix the more wear-resistant ceramic lining block on the surface of the tire-shaped roller shell, thereby having the advantages of further improving the wear resistance of the grinding disc and preventing the generation of secondary iron pollution.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a top view of the fixing seat of the side ceramic pad unit;
FIG. 5 is a cross-sectional view C-C of FIG. 4;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;
fig. 7 is a plan view of a fixing seat of the intermediate pad unit;
FIG. 8 is a cross-sectional view E-E of FIG. 7;
FIG. 9 is a cross-sectional view F-F of FIG. 7;
fig. 10 is a partial view of the distribution of ceramic pad sets along the outer surface of a tire-shaped roller housing.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples:
as shown in figure 1, the invention comprises a tire-shaped roller shell 1 and ceramic lining blocks arranged on the outer surface of the tire-shaped roller shell 1, wherein two sides 1a of the outer surface of the tire-shaped roller shell 1 are conical inclined surfaces, supporting and driving surfaces 1b at two ends of an inner hole of the tire-shaped roller shell 1 are 2 conical surfaces which are symmetrically distributed, bearing assemblies are correspondingly arranged, when in use, the whole roller rotates around a rotation center, flanges 2 (the outer layer is surfacing wear-resistant steel) are arranged at two side edges of the outer surface of the tire-shaped roller shell 1, the ceramic lining blocks are arranged between the two side flanges 2, each ceramic lining block comprises a plurality of groups of ceramic lining block groups a which are mutually and closely arranged together front and back along the periphery of the outer surface of the tire-shaped roller shell 1, each group of ceramic lining block groups a comprises two side ceramic lining block units 3 which are mutually and a middle lining block unit 4 which is positioned at two side ceramic lining block units, as shown in fig. 1 and 2, the side ceramic pad units 3 include a fixing seat having a U-shaped groove 3a fixed to the inclined surface 1a of the tire-shaped roller housing 1, and ceramic grinding blocks 3b fitted into the U-shaped groove 3a of the fixing seat, and a dovetail groove is formed between the two side ceramic pad units 3 of each ceramic pad group a, and as shown in fig. 1, 3 and 7, the center pad unit 4 includes a fixing seat having a dovetail U-shaped groove 4a fixed to the middle of the outer surface of the tire-shaped roller housing 1, and a dovetail ceramic grinding block 4b fitted into the dovetail U-shaped groove 4a of the fixing seat, so that the center pad unit 4 has a dovetail shape, and the dovetail center pad unit 4 is fitted into the dovetail groove formed between the two side ceramic pad units 3.
As shown in fig. 2, inward turned edges 3c are provided at the top ends of both side walls of the U-shaped groove 3a of the holder of the side ceramic pad unit 3, grooves 3d are provided on both side walls of the ceramic grinding block 3b corresponding to the turned edges 3c, the turned edges 3c are embedded in the grooves 3d to fix the ceramic grinding block 3b in the U-shaped groove 3a of the holder, inward turned edges 4c are provided at the top ends of both side walls of the U-shaped groove 4a of the holder of the middle pad unit 4, grooves 4d are provided on both side walls of the dovetail-shaped ceramic grinding block 4b corresponding to the turned edges 4c, and the turned edges 4c are embedded in the grooves 4d to fix the dovetail-shaped ceramic grinding block 4b in the U-shaped groove 4a of the holder.
As shown in fig. 10, the side surfaces of the ceramic pad groups a abutting against each other are chamfered so that the ceramic pad groups a abut against each other to form a circle and are positioned on the outer surface of the tire-shaped drum shell 1.
As shown in fig. 4, the fixing seat with the U-shaped groove 3a of the side ceramic pad unit 3 is in the shape of an equilateral trapezoid, the corresponding ceramic grinding block 3b is also in the shape of an equilateral trapezoid, and the side ceramic pad unit 3 is formed in the shape of an equilateral trapezoid, so that the side ceramic pad units 3 of the ceramic pad groups a connected together are also connected together to form a circular truncated cone.
As shown in fig. 1, a high temperature-resistant hard rubber pad 10 is provided between the two side ceramic pad units 3 and the intermediate pad unit 4. With the high temperature-resistant hard rubber pad 10, the ceramic pads 3b of the side ceramic pad units 3 and the ceramic pads 4b of the middle pad unit 4 are prevented from colliding with each other and being broken and durable at high temperatures.
Positioning pin holes 5 are provided on the outer surface of the tire-shaped roller housing 1 at positions corresponding to the side ceramic pad units 3 and the middle pad unit 4, pin holes 6 are also provided on the fixing bases with the U-shaped grooves 3a of the side ceramic pad units 3 and the fixing bases with the U-shaped grooves 4a of the middle pad unit 4 (two pin holes 6 of the side ceramic pad units 3 and one pin hole 6 of the middle pad unit 4), positioning pins 7 are inserted into the positioning pin holes 5 of the tire-shaped roller housing 1 through the pin holes 6 of the fixing bases with the U-shaped grooves 3a of the side ceramic pad units 3 and the fixing bases with the U-shaped grooves 4a of the middle pad unit 4, the side ceramic pad units 3 and the middle pad unit 4 are accurately positioned on the outer surface of the tire-shaped roller housing 1, and then the screws 8 penetrating from the U-shaped grooves 3a of the side ceramic pad units 3 and the screws 9 penetrating from the inner hole side walls of the tire-shaped roller housing 1 are used to respectively position the side ceramic pad units 3 with the U-shaped grooves 3 and the middle pad units 4 The fixing seats of the grooves 3a and the fixing seats of the intermediate pad unit 4 having the U-shaped grooves 4a are fixed on the outer surface of the tire-shaped roller housing 1. By adopting the fixing structure, the fixing seat with the U-shaped groove 3a of the side ceramic lining block unit 3 can be fixed on the outer surface of the tire-shaped roller shell 1, then the ceramic grinding block 3b is embedded into the U-shaped groove 3a from the side surface of the U-shaped groove 3a of the side ceramic lining block unit 3, then the middle lining block unit 4 with the positioning pin 7 is accurately positioned in the dovetail groove formed between the two side ceramic lining block units 3, and then the middle lining block unit 4 is fixed on the outer surface of the tire-shaped roller shell 1 by the screw 9 penetrating through the side wall of the inner hole of the tire-shaped roller shell 1.
The bottom surfaces of the fixing seats with the U-shaped grooves 3a of the side ceramic lining block units 3 and the bottom surfaces of the fixing seats with the U-shaped grooves 4a of the middle lining block units 4 are concave cambered surfaces matched with the outer surface of the tire-shaped roller shell 1, so that the side ceramic lining block units 3 and the middle lining block units 4 are tightly attached and fixed on the outer surface of the tire-shaped roller shell 1.
Claims (8)
1. A roller used on grinding equipment is characterized by comprising a tire-shaped roller shell and ceramic lining blocks arranged on the outer surface of the tire-shaped roller shell, wherein two sides of the outer surface of the tire-shaped roller shell are inclined planes, flanges are arranged on the edges of two sides of the outer surface of the tire-shaped roller shell, the outer layers of the flanges are made of surfacing wear-resistant steel, the ceramic lining blocks are arranged between the two side flanges, each ceramic lining block comprises a plurality of groups of ceramic lining block groups which are mutually and closely arranged along the periphery of the outer surface of the tire-shaped roller shell, each group of ceramic lining blocks comprises two side ceramic lining block units which are mutually and closely arranged together and a middle lining block unit which is positioned between the two side ceramic lining block units, each side ceramic lining block unit comprises a fixed seat which is fixed on the inclined plane of the tire-shaped roller shell and is provided with a U-shaped groove and a ceramic grinding block which is embedded on the U-shaped groove, a dovetail groove is formed between the two side ceramic lining block units of each group of ceramic lining blocks, the middle lining block unit comprises a fixed seat which is fixed in the middle of the outer surface of the tire-shaped roller shell and provided with a U-shaped groove, and a dovetail-shaped ceramic grinding block which is embedded on the U-shaped groove, the dovetail-shaped ceramic grinding block is embedded in a dovetail groove formed between two side ceramic lining block units, a rubber pad is arranged between the two side ceramic lining block units and the middle lining block unit, inward flanges are arranged at the top ends of two side walls of the U-shaped groove of each side ceramic lining block unit, grooves are arranged on two side walls of the corresponding flanged ceramic grinding block, the flanges are embedded into the grooves to fix the ceramic grinding block in the U-shaped groove, inward flanges are arranged at the top ends of two side walls of the U-shaped groove of the middle lining block unit, grooves are arranged on two side walls of the corresponding flanged dovetail-shaped ceramic grinding block, and the flanges are embedded into the grooves to fix the dovetail-shaped ceramic grinding block in the U-shaped groove.
2. A roller for a grinding apparatus according to claim 1, wherein the side surfaces of the ceramic pad groups abutting each other are beveled so that the ceramic pad groups abut each other to form a circle and are positioned on the outer surface of the tire-shaped roller housing.
3. A roller for a grinding apparatus according to claim 1 or 2, wherein the U-shaped grooves of the side ceramic pad units are in the shape of an equilateral trapezoid, the corresponding ceramic grinding blocks are in the shape of an equilateral trapezoid, and the side ceramic pad units are formed in the shape of an equilateral trapezoid, so that as the respective ceramic pad groups are connected to each other, the respective side ceramic pad units are connected to each other to form a circular truncated cone.
4. A roller for a pulverizing apparatus according to claim 1 or 2, wherein positioning pin holes are provided at positions corresponding to the side ceramic pad units and the intermediate pad units on the outer surface of the tire-shaped roller housing, pin holes are also provided in the fixing bases with U-grooves of the respective side ceramic pad units and the fixing bases with U-grooves of the intermediate pad units, positioning pins are inserted into the positioning pin holes of the tire-shaped roller housing through the pin holes of the fixing bases with U-grooves of the side ceramic pad units and the fixing bases with U-grooves of the intermediate pad units, the side ceramic pad units and the intermediate pad units are accurately positioned on the outer surface of the tire-shaped roller housing, and then the fixing bases with U-grooves of the side ceramic pad units and the fixing bases with U-grooves of the intermediate pad units are fixed to the tire-shaped roller housing by screws inserted from the U-grooves of the side ceramic pad units and screws inserted from the side walls of the inner hole of the tire-shaped roller housing, respectively On the outer surface of the housing.
5. A roller for a pulverizing apparatus as defined in claim 3, wherein the outer surface of the tire-shaped roller housing is provided at positions corresponding to the side ceramic pad units and the center pad units with positioning pin holes, and the fixing bases with U-shaped grooves of the respective side ceramic pad units and the fixing bases with U-shaped grooves of the center pad units are also provided with pin holes, and positioning pins are inserted into the positioning pin holes of the tire-shaped roller housing through the pin holes of the fixing bases with U-shaped grooves of the side ceramic pad units and the fixing bases with U-shaped grooves of the center pad units, to accurately position the side ceramic pad units and the center pad units on the outer surface of the tire-shaped roller housing, and then the fixing bases with U-shaped grooves of the side ceramic pad units and the fixing bases with U-shaped grooves of the center pad units are fixed to the tire-shaped roller housing by screws inserted from the U-shaped grooves of the side ceramic pad units and screws inserted from the side walls of the inner hole of the tire-shaped roller housing, respectively On the outer surface.
6. A roller for a pulverizing apparatus as defined in claim 1, 2 or 5, wherein the bottom surfaces of the U-shaped holders of the side ceramic pad units and the U-shaped holders of the intermediate pad units are formed in a concave curved surface which is fitted to the outer surface of the tire-shaped roller housing, so that the side ceramic pad units and the intermediate pad units are closely fitted to the outer surface of the tire-shaped roller housing.
7. A roller for a pulverizing apparatus as defined in claim 3, wherein the bottom surfaces of the U-shaped holders of the side ceramic pad units and the U-shaped holders of the intermediate pad units are formed in a concave curved surface which is fitted to the outer surface of the tire-shaped roller housing, so that the side ceramic pad units and the intermediate pad units are closely fitted to the outer surface of the tire-shaped roller housing.
8. A roller for a pulverizing apparatus as defined in claim 4, wherein the bottom surfaces of the U-shaped holders of the side ceramic pad units and the U-shaped holders of the intermediate pad units are formed in a concave curved surface which is fitted to the outer surface of the tire-shaped roller housing, so that the side ceramic pad units and the intermediate pad units are closely fitted to the outer surface of the tire-shaped roller housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318470.6A CN106925383B (en) | 2017-05-08 | 2017-05-08 | Special roller for grinding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318470.6A CN106925383B (en) | 2017-05-08 | 2017-05-08 | Special roller for grinding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106925383A CN106925383A (en) | 2017-07-07 |
| CN106925383B true CN106925383B (en) | 2022-09-30 |
Family
ID=59429721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710318470.6A Expired - Fee Related CN106925383B (en) | 2017-05-08 | 2017-05-08 | Special roller for grinding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106925383B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225477A (en) * | 2017-07-11 | 2019-01-18 | 佛山科学技术学院 | A kind of milling equipment mill module and mill with ceramic lining plate |
| CN107552162B (en) * | 2017-09-19 | 2022-11-01 | 佛山科学技术学院 | Roller device of ceramic raw material grinding equipment |
| CN107824309B (en) * | 2017-11-28 | 2024-02-13 | 佛山科学技术学院 | Industrial chemicals hard lump breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405518A2 (en) * | 1989-06-29 | 1991-01-02 | Loesche Gmbh | Milling surfaces for roller mills |
| CN2805925Y (en) * | 2005-04-28 | 2006-08-16 | 沈阳重型机械集团有限责任公司 | Large-sized vertical roll mill |
| CN2845911Y (en) * | 2005-11-14 | 2006-12-13 | 沈阳重型机械集团有限责任公司 | Composite lining board for vertical roller grinder |
| CN201644164U (en) * | 2010-04-29 | 2010-11-24 | 中材建设有限公司 | Millstone ceramics lining board of roller mill |
| CN105855030A (en) * | 2015-09-24 | 2016-08-17 | 佛山科学技术学院 | Electro-magnetic vibrating and screening and returning device of ceramic raw material roller mill |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10354679A1 (en) * | 2003-11-22 | 2005-06-30 | Khd Humboldt Wedag Ag | Grinding roller for the crushing of granular material |
| CN201020380Y (en) * | 2007-03-19 | 2008-02-13 | 刘怀平 | Horomill lining board anti-collapse device |
| CN201454582U (en) * | 2009-06-26 | 2010-05-12 | 湖南普沃尔重型机械有限公司 | Abrasion resistant roller |
| CN201618584U (en) * | 2010-03-13 | 2010-11-03 | 新乡市高服筛分机械有限公司 | Installation structure of toothed plates of roller of crusher |
| US8281473B2 (en) * | 2010-04-23 | 2012-10-09 | Flsmidth A/S | Wearable surface for a device configured for material comminution |
| CN102274774A (en) * | 2011-08-11 | 2011-12-14 | 成都利君实业股份有限公司 | Rolling machine and combination sleeve-assembled roll shaft for high-pressure roller mill |
| CN202725246U (en) * | 2012-08-15 | 2013-02-13 | 成都市新力设备制造有限责任公司 | Combined roller |
| CN203400746U (en) * | 2013-04-25 | 2014-01-22 | 中信重工机械股份有限公司 | Side insert of roller sleeve of high-pressure roller mill |
| CN204768970U (en) * | 2015-04-01 | 2015-11-18 | 邹斌 | Lining -board of ball grinding machine |
| CN204768942U (en) * | 2015-06-09 | 2015-11-18 | 昆明理工大学 | Immediately, grinding roller |
| CN206810398U (en) * | 2017-05-08 | 2017-12-29 | 佛山科学技术学院 | A kind of disk roller on milling equipment |
-
2017
- 2017-05-08 CN CN201710318470.6A patent/CN106925383B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405518A2 (en) * | 1989-06-29 | 1991-01-02 | Loesche Gmbh | Milling surfaces for roller mills |
| CN2805925Y (en) * | 2005-04-28 | 2006-08-16 | 沈阳重型机械集团有限责任公司 | Large-sized vertical roll mill |
| CN2845911Y (en) * | 2005-11-14 | 2006-12-13 | 沈阳重型机械集团有限责任公司 | Composite lining board for vertical roller grinder |
| CN201644164U (en) * | 2010-04-29 | 2010-11-24 | 中材建设有限公司 | Millstone ceramics lining board of roller mill |
| CN105855030A (en) * | 2015-09-24 | 2016-08-17 | 佛山科学技术学院 | Electro-magnetic vibrating and screening and returning device of ceramic raw material roller mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106925383A (en) | 2017-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106925383B (en) | Special roller for grinding equipment | |
| US3326480A (en) | Disk refiner | |
| US20090302140A1 (en) | Refiner Plate Assembly and Method With Evacuation of Refining Zone | |
| US20140158801A1 (en) | Crushing roller | |
| JP6656888B2 (en) | Segmented rotor cap assembly | |
| GB1581158A (en) | Reversible refiner plates | |
| WO2018036195A1 (en) | Roller press utilized in roller press machine | |
| JPS60501063A (en) | Purification equipment for lignocellulose-containing substances | |
| CN101934505A (en) | Grinding disc and high-speed rail bridge grinder provided with same | |
| CN205462482U (en) | Split type sound loop of medium speed pulverizer constructs | |
| JPS6410635B2 (en) | ||
| KR20120070208A (en) | Composite roll | |
| CA1133870A (en) | Roll crusher | |
| MX2013011380A (en) | Blade and wheel plate for blast cleaning wheel and method of connecting a blade to the wheel plate. | |
| EP2067894B1 (en) | Refiner assembly, refiner plate sement, refiner plate carrier, and method of mounting a refiner plate segment | |
| CN201799942U (en) | Grinding disc and grinding block assembly | |
| US3289954A (en) | Disk refiner | |
| KR101712698B1 (en) | Reduced mass plates for refiners and dispersers | |
| US7984869B2 (en) | Face mounted installation fixture and associated methods | |
| CN110608249A (en) | Composite material wheel-mounted brake disc for high-speed train | |
| US3753476A (en) | Brake disc subassembly with segmented beryllium core | |
| CN202123406U (en) | Grinding wheel | |
| CN210240395U (en) | Train brake pad with quincunx friction blocks | |
| CN206810398U (en) | A kind of disk roller on milling equipment | |
| CN210474158U (en) | Milling device of coal mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220930 |