CN101332442A - Vertical roll grinder grinding roll voltage-applying mechanism - Google Patents
Vertical roll grinder grinding roll voltage-applying mechanism Download PDFInfo
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- CN101332442A CN101332442A CNA200710054755XA CN200710054755A CN101332442A CN 101332442 A CN101332442 A CN 101332442A CN A200710054755X A CNA200710054755X A CN A200710054755XA CN 200710054755 A CN200710054755 A CN 200710054755A CN 101332442 A CN101332442 A CN 101332442A
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- pressure arm
- oil cylinder
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Abstract
The invention provides a pressure device of a grinding roller of a vertical roller mill; based on the lever principle, the pressure device is characterized in that the upper part of an L-shaped pressure arm (4) is connected with a grinding roller (1) with certain tapered working face by an expansion sleeve coupler (2) and a clamping sleeve (3) , the tapered working surface of the grinding roller is parallel with the grinding roller track of an grinding disc (7); the middle upper part of the L-shaped pressure arm is fixed on a bearing seat (5) of a rack (13) by a support axle (6) and can deflect around the bearing seat at a certain direction; the lower part of the L-shaped pressure arm is connected with a combiner of an oil cylinder (11) and an air energy storage device (12) by a screwed coupling (10), a pin (8) and a connecting rod (9) and is fixed on the rack, the oil pressure change in the oil cylinder caused by the load change is buffered and balanced by the air energy storage device, thus keeping the oil pressure of the oil cylinder constant, and the grinding roller is provided with sufficient and stable adjustable pressure by the L-shaped pressure arm according to the setting value; and the pressure device has the advantages of high efficiency, reliable use and convenient maintenance.
Description
Technical field
The invention belongs to the mining machinery technical field, specially refer to a kind of vertical roll grinder grinding roll voltage-applying mechanism.
Background technology
The cement manufacture plant vertical roll grinder generally has mill and at least one grinding roller around level or the passive rotation of sloping shaft around the vertical axis active rotation.Material input is rolled pulverizing by grinding roller between mill and grinding roller, only rely on pressure that the grinding roller deadweight produces for crushing cement raw material lime stone for example, slag etc. be nowhere near or efficient very low, must on grinding roller, apply power vertically downward extraly.When rolling comminuting matter, vertical roll grinder can produce wearing and tearing to the crust of grinding roller, the grinding roller pressue device at initial stage adopts mechanical spring as pressure source, its pressure is limited, comminuting matter efficient is low, and pressure can not be adjusted at random, pressure oscillation is big in the work, and the part fatiguability damages, and it is very unreliable to work.
Summary of the invention
For solving the existing existing the problems referred to above of pressue device of vertical roll grinder, the present invention has newly designed a kind of vertical roll grinder grinding roll voltage-applying mechanism, this pressue device pressurizes to grinding roller according to lever principle, the pressure arm bottom connects oil cylinder, oil cylinder and accumulator connect, by control oil cylinder setting value to grinding roller provide enough, stablize, adjustable pressure, have the efficient height, use is reliable, easy to maintenance.
For achieving the above object, the present invention has adopted following technical scheme:
Described vertical roll grinder grinding roll voltage-applying mechanism, its pressue device connect the grinding roller that have certain taper working face by a top that is L type pressure arm by the expansion set coupling according to lever principle, and the tapering working face of this grinding roller is parallel with the grinding raceway of mill; The middle and upper part of L type pressure arm is fixed on the bearing block of frame, and the deflection of certain orientation can be arranged around bearing block; The bottom of L type pressure arm connects oil cylinder-air energy-storage device combiner and is fixed on the frame, cause that from load variations the oil pressure of oil cylinder changes by air energy-storage device cushioning balance, thereby keep the oil cylinder oil pressure constant, and can provide enough big, pressure stable by L type pressure arm to grinding roller according to setting value.
Described vertical roll grinder grinding roll voltage-applying mechanism, the grinding roller that has the certain taper working face in its pressue device is installed on the grinding roller axle and passive rotation by rolling bearing, the grinding roller axle passes retaining sleeve and is equipped with tightly by clamp nut, is fixed on the top of L type pressure arm again by the expansion set coupling; The middle and upper part of L type pressure arm is fixed on the bearing block of frame and the deflection of certain orientation can be arranged around bearing block by back shaft and expansion set dispenser; The bottom of L type pressure arm is by the bearing pin coupler link, and connecting rod connects with the piston rod of oil cylinder by screwed coupling again, and oil cylinder is fixed on the frame, and the air energy-storage device is installed near the of oil cylinder and is fixed on the frame, connects oil cylinder by pipeline.
Described vertical roll grinder grinding roll voltage-applying mechanism, its expansion set coupling is made up of expansion set, the pin that expands, dish spring, securing member, gland, wherein expansion set is placed in the connection holes of retaining sleeve and L type pressure arm, the expansion set endoporus has certain inclined-plane, big inclined-plane outwardly, the pin that expands cooperates with the expansion set inclined-plane, is equipped with the dish spring in the gland groove, gland is fixed on the outside of L type pressure arm by securing member.
Described vertical roll grinder grinding roll voltage-applying mechanism, its expansion set dispenser is made up of interior cover, overcoat, fastening bolt, cover is placed in the connection holes of L type pressure arm wherein, interior cover endoporus has certain inclined-plane, big inclined-plane outwardly, overcoat cooperates with interior cover inclined-plane, and the overcoat endoporus assembles back shaft and is fixed on the L type pressure arm by fastening bolt.
Described vertical roll grinder grinding roll voltage-applying mechanism, its screwed coupling is a screwed hole and the nut two halves of the approximate bearing shell of external form are split into independently half-nut with complete a, endoporus, by fastening bolt it is closed again as a whole, in order to the piston rod of coupler link and oil cylinder.
Because adopt aforesaid technical scheme, the present invention has following superiority:
One, owing to designed oil cylinder-accumulator combiner as the pressurization power source, grinding roller pressure can be adjusted by hydraulic pressure-electrical system according to the improved grinding needs, fully adapts to various operating modes.Change at random from material thickness, hardness in the more prior work exactly can not cause the pressure oscillation that grinding roller is big, thereby and this point is most important to reducing grinding machine vibrations prolongation grinding machine accident-free duration.
Two, advanced, the special retaining sleeve+grinding roller and the structure of back shaft, in case when making grinding roller that situation such as wearing and tearing take place need to safeguard, can be easily with grinding roller from the grinding machine interior overturn to the outside, great facility various maintenance works.
Three, newly-designed screwed coupling structure is very simple but very practical, and it can transmit heavy load and fastenings is stressed little.
Four, easily, dismountable expansion set coupling and be positioned at expansion set dispenser on the back shaft, can realize connecting fast between retaining sleeve and the L type pressure arm and throwing off.
Five, a kind of efficient height, pressure stability, use grinding roller pressue device reliable, easy to maintenance are provided.
Description of drawings
Fig. 1 is the vertical roll grinder grinding roll voltage-applying mechanism structural representation;
Fig. 2 is that A-A is to partial sectional view;
Fig. 3 is that B-B is to partial sectional view;
Fig. 4 is that C-C is to partial sectional view;
Fig. 5 is a grinding roller axle construction schematic diagram in the pressue device;
Among the above-mentioned figure: the 1-grinding roller; 2-expansion set coupling; The 3-retaining sleeve; 4-L type pressure arm; The 5-bearing block; The 6-back shaft; The 7-mill; The 8-bearing pin; The 9-connecting rod; The 10-threaded couplings; The 11-oil cylinder; 12-air energy-storage device; The 13-frame; Cover in the 14-; The 15-overcoat; The 16-fastening bolt; The 17-half-nut, the 18-fastening bolt; The 19-expansion set; 20-expands and sells; 21-dish spring; The 22-securing member; The 23-gland; The 24-clamp nut; 25-grinding roller axle.
The specific embodiment
Shown in Fig. 1,5: vertical roll grinder grinding roll voltage-applying mechanism of the present invention, the grinding roller that has the certain taper working face (1) in its pressue device is installed in grinding roller axle (25) by rolling bearing and goes up and passive rotation, grinding roller axle (25) passes retaining sleeve (3) and is equipped with tightly by clamp nut (24), is fixed on the top of L type pressure arm (4) again by expansion set coupling (2); The deflection that certain orientation also can be arranged around bearing block (5) is gone up by the bearing block (5) that back shaft (6) and expansion set dispenser are fixed on frame (13) in the middle and upper part of L type pressure arm (4); The bottom of L type pressure arm (4) is by bearing pin (8) coupler link (9), connecting rod (9) connects with the piston rod of oil cylinder (11) by screwed coupling (10) again, oil cylinder (11) is fixed on the frame (13), air energy-storage device (12) is installed near the of oil cylinder (11) and is fixed on the frame (13), connects oil cylinder (11) by pipeline.
As shown in Figure 4: vertical roll grinder grinding roll voltage-applying mechanism of the present invention, its expansion set coupling (2) is made up of expansion set (19), expand pin (20), dish spring (21), securing member (22), gland (23), wherein expansion set (19) is placed in the connection holes of retaining sleeve (3) and L type pressure arm (4), expansion set (19) endoporus has certain inclined-plane, big inclined-plane outwardly, the pin (20) that expands cooperates with expansion set (19) inclined-plane, be equipped with dish spring (21) in gland (23) groove, gland (23) be fixed on the outside of L type pressure arm (4) by securing member.
As shown in Figure 2: vertical roll grinder grinding roll voltage-applying mechanism of the present invention, its expansion set dispenser is made up of interior cover (14), overcoat (15), fastening bolt (16), cover (14) is placed in the connection holes of L type pressure arm (4) wherein, interior cover (14) endoporus has certain inclined-plane, big inclined-plane outwardly, overcoat (15) cooperates with interior cover (14) inclined-plane, and overcoat (15) endoporus assembling back shaft (6) also is fixed on the L type pressure arm (4) by fastening bolt (16).
As shown in Figure 3: vertical roll grinder grinding roll voltage-applying mechanism of the present invention, its screwed coupling (10) is a screwed hole and the nut two halves of the approximate bearing shell of external form are split into independently half-nut (17) with complete a, endoporus, by fastening bolt (18) it is closed again as a whole, in order to the piston rod of coupler link (9) and oil cylinder (11).Simple in structure but very practical, can transmit heavy load and fastenings is stressed little.
Switching process when narrating grinding roller pressure process and safeguarding below:
Control oil cylinder (11) stroke makes it to produce downward pulling force, this pulling force arrives expansion set coupling (2) by screwed coupling (10), connecting rod (9), bearing pin (8), L shaped pressure arm (4), be sent to retaining sleeve (3) according to lever principle, finally go up at grinding roller (1) and produce downward pressure, this pressure puts on the material that is positioned between grinding roller (1) and the mill (7).
When situations such as grinding roller (1) appearance wearing and tearing need be safeguarded, just unclamp and pull down expansion set shaft coupling (2), unclamp cover (14) in the expansion set dispenser on the back shaft (6) simultaneously, L shaped like this pressure arm (4) just and retaining sleeve (3) be in " disconnection " state, utilize the special roller oil cylinder device driving retaining sleeve (3) that turns over being with grinding roller (1) outwards to rout up.
Claims (5)
1, a kind of vertical roll grinder grinding roll voltage-applying mechanism, it is characterized in that: this pressue device is according to lever principle, connect the grinding roller (1) that has the certain taper working face by a top that is L type pressure arm (4) by expansion set coupling (2), the tapering working face of grinding roller (1) is parallel with the grinding raceway of mill (7); The middle and upper part of L type pressure arm (4) is fixed on the bearing block (5) of frame (13), and the deflection of certain orientation can be arranged around bearing block (5); The bottom of L type pressure arm (4) connects oil cylinder (11)-air energy-storage device (12) combiner and is fixed on the frame (13), cause that from load variations the oil pressure of oil cylinder (11) changes by air energy-storage device (12) cushioning balance, thereby keep oil cylinder (11) oil pressure constant, and can provide enough big, pressure stable by L type pressure arm (4) to grinding roller (1) according to setting value.
2, a kind of vertical roll grinder grinding roll voltage-applying mechanism, it is characterized in that: the grinding roller that has the certain taper working face (1) in this pressue device is installed in grinding roller axle (25) by rolling bearing and goes up and passive rotation, grinding roller axle (25) passes retaining sleeve (3) and is equipped with tightly by clamp nut (24), is fixed on the top of L type pressure arm (4) again by expansion set coupling (2); The deflection that certain orientation also can be arranged around bearing block (5) is gone up by the bearing block (5) that back shaft (6) and expansion set dispenser are fixed on frame (13) in the middle and upper part of L type pressure arm (4); The bottom of L type pressure arm (4) is by bearing pin (8) coupler link (9), connecting rod (9) connects with the piston rod of oil cylinder (11) by screwed coupling (10) again, oil cylinder (11) is fixed on the frame (13), air energy-storage device (12) is installed near the of oil cylinder (11) and is fixed on the frame (13), connects oil cylinder (11) by pipeline.
3, vertical roll grinder grinding roll voltage-applying mechanism as claimed in claim 2, it is characterized in that: its expansion set coupling (2) is made up of expansion set (19), expand pin (20), dish spring (21), securing member (22), gland (23), wherein expansion set (19) is placed in the connection holes of retaining sleeve (3) and L type pressure arm (4), expansion set (19) endoporus has certain inclined-plane, big inclined-plane outwardly, the pin (20) that expands cooperates with expansion set (19) inclined-plane, be equipped with dish spring (21) in gland (23) groove, gland (23) be fixed on the outside of L type pressure arm (4) by securing member.
4, vertical roll grinder grinding roll voltage-applying mechanism as claimed in claim 2, it is characterized in that: its expansion set dispenser is made up of interior cover (14), overcoat (15), fastening bolt (16), cover (14) is placed in the connection holes of L type pressure arm (4) wherein, interior cover (14) endoporus has certain inclined-plane, big inclined-plane outwardly, overcoat (15) cooperates with interior cover (14) inclined-plane, and overcoat (15) endoporus assembling back shaft (6) also is fixed on the L type pressure arm (4) by fastening bolt (16).
5, vertical roll grinder grinding roll voltage-applying mechanism as claimed in claim 2, it is characterized in that: its screwed coupling (10) is a screwed hole and the nut two halves of the approximate bearing shell of external form are split into independently half-nut (17) with complete a, endoporus, by fastening bolt (18) it is closed again as a whole, in order to the piston rod of coupler link (9) and oil cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710054755XA CN101332442A (en) | 2007-06-28 | 2007-06-28 | Vertical roll grinder grinding roll voltage-applying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710054755XA CN101332442A (en) | 2007-06-28 | 2007-06-28 | Vertical roll grinder grinding roll voltage-applying mechanism |
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| CN101332442A true CN101332442A (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200710054755XA Pending CN101332442A (en) | 2007-06-28 | 2007-06-28 | Vertical roll grinder grinding roll voltage-applying mechanism |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972686A (en) * | 2010-10-22 | 2011-02-16 | 江苏恒远机械制造有限公司 | Hydraulic pressurization device of grinder roller of vertical grinding mill |
| CN102600934A (en) * | 2012-03-23 | 2012-07-25 | 长春发电设备总厂 | Turning-out device for maintenance of milling roller of medium-speed wheeled coal mill |
| CN103084241A (en) * | 2013-02-26 | 2013-05-08 | 南京凯盛国际工程有限公司 | Novel vertical roller mill |
| CN103127984A (en) * | 2013-02-26 | 2013-06-05 | 南京凯盛国际工程有限公司 | Novel material grinding device |
| CN103433114A (en) * | 2013-08-15 | 2013-12-11 | 溧阳中材重型机器有限公司 | Grinding roller limit cushioning device of vertical grinder |
| CN104220172A (en) * | 2012-02-24 | 2014-12-17 | 蒂森克虏伯工业解决方案股份公司 | Vertical roller mill and method for operating vertical roller mill |
| CN104588174A (en) * | 2015-01-27 | 2015-05-06 | 中材（天津）粉体技术装备有限公司 | Vertical type roller mill |
| CN107552162A (en) * | 2017-09-19 | 2018-01-09 | 佛山科学技术学院 | A kind of roller apparatus of ceramic raw material milling equipment |
| CN109127005A (en) * | 2018-08-31 | 2019-01-04 | 江苏鹏飞集团股份有限公司 | Spare multiple roll cement vertical roll grinder mutually |
| CN114653436A (en) * | 2022-03-31 | 2022-06-24 | 中材（天津）粉体技术装备有限公司 | Grinding device driven by auxiliary grinding roller |
-
2007
- 2007-06-28 CN CNA200710054755XA patent/CN101332442A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972686B (en) * | 2010-10-22 | 2013-05-08 | 江苏恒远机械制造有限公司 | Hydraulic pressurization device of grinder roller of vertical grinding mill |
| CN101972686A (en) * | 2010-10-22 | 2011-02-16 | 江苏恒远机械制造有限公司 | Hydraulic pressurization device of grinder roller of vertical grinding mill |
| CN104220172B (en) * | 2012-02-24 | 2016-08-24 | 蒂森克虏伯工业解决方案股份公司 | Vertical roll grinder and the method being used for operating vertical roll grinder |
| CN104220172A (en) * | 2012-02-24 | 2014-12-17 | 蒂森克虏伯工业解决方案股份公司 | Vertical roller mill and method for operating vertical roller mill |
| CN102600934A (en) * | 2012-03-23 | 2012-07-25 | 长春发电设备总厂 | Turning-out device for maintenance of milling roller of medium-speed wheeled coal mill |
| CN102600934B (en) * | 2012-03-23 | 2014-04-09 | 长春发电设备总厂 | Turning-out device for maintenance of milling roller of medium-speed wheeled coal mill |
| CN103084241A (en) * | 2013-02-26 | 2013-05-08 | 南京凯盛国际工程有限公司 | Novel vertical roller mill |
| CN103127984A (en) * | 2013-02-26 | 2013-06-05 | 南京凯盛国际工程有限公司 | Novel material grinding device |
| CN103433114A (en) * | 2013-08-15 | 2013-12-11 | 溧阳中材重型机器有限公司 | Grinding roller limit cushioning device of vertical grinder |
| CN103433114B (en) * | 2013-08-15 | 2015-08-05 | 溧阳中材重型机器有限公司 | A kind of vertical grinder grinding roller limit damper |
| CN104588174A (en) * | 2015-01-27 | 2015-05-06 | 中材（天津）粉体技术装备有限公司 | Vertical type roller mill |
| CN107552162A (en) * | 2017-09-19 | 2018-01-09 | 佛山科学技术学院 | A kind of roller apparatus of ceramic raw material milling equipment |
| CN107552162B (en) * | 2017-09-19 | 2022-11-01 | 佛山科学技术学院 | Roller device of ceramic raw material grinding equipment |
| CN109127005A (en) * | 2018-08-31 | 2019-01-04 | 江苏鹏飞集团股份有限公司 | Spare multiple roll cement vertical roll grinder mutually |
| CN109127005B (en) * | 2018-08-31 | 2021-06-29 | 江苏鹏飞集团股份有限公司 | Mutual standby multi-roll cement vertical roller mill |
| CN114653436A (en) * | 2022-03-31 | 2022-06-24 | 中材（天津）粉体技术装备有限公司 | Grinding device driven by auxiliary grinding roller |
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Open date: 20081231 |