阅读说明：本技术 一种内调节导瓦式立磨机推力轴承装置 (Thrust bearing device of internal-adjustment guide bush type vertical mill ) 是由 陈泳青 陈孝尚 蔡鹤 周晔挺 何熊挺 王校龙 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种内调节导瓦式立磨机推力轴承装置,包括滑转子、推力盘和机架,所述推力盘固定在滑转子上,动力输出轴插套在滑转子中部成型有的连接轴套体中并通过键连接固定在滑转子中；所述连接轴套体的下部插套在机架的中部通孔中；所述推力盘的边部底面压靠有多个推力瓦,机架的外侧部的底板的顶面上成型有的多个安装凹槽,抗压块插套在安装凹槽中,抗压块的底面压靠在安装凹槽的底面上,推力瓦的底面中部成型有下安装凹槽,支撑块插套在下安装凹槽中,支撑块的顶面压靠在下安装凹槽的顶面上；它可以直接与永磁电机的动力输出轴相连接,实现转动,其通过导瓦和推力瓦支撑,保证推力盘的正常旋转使用,其密封效果好,运行稳定,使用寿命长。(The invention discloses a thrust bearing device of an internal adjusting guide shoe type vertical mill, which comprises a sliding rotor, a thrust disc and a frame, wherein the thrust disc is fixed on the sliding rotor; the lower part of the connecting shaft sleeve body is inserted and sleeved in the middle through hole of the rack; the bottom surfaces of the edges of the thrust disc are pressed against a plurality of thrust pads, a plurality of mounting grooves are formed in the top surface of the bottom plate at the outer side of the rack, the compression-resistant blocks are inserted and sleeved in the mounting grooves, the bottom surfaces of the compression-resistant blocks are pressed against the bottom surfaces of the mounting grooves, a lower mounting groove is formed in the middle of the bottom surfaces of the thrust pads, the supporting blocks are inserted and sleeved in the lower mounting grooves, and the top surfaces of the supporting blocks are pressed against the top surfaces of the lower mounting grooves; the novel thrust disc can be directly connected with a power output shaft of the permanent magnet motor to realize rotation, the thrust disc is supported through the guide shoe and the thrust shoe, normal rotation use of the thrust disc is guaranteed, the sealing effect is good, operation is stable, and the service life is long.)

1. The utility model provides an interior regulation guide shoe formula mill thrust bearing device, includes smooth rotor (10), thrust dish (20) and frame (30), its characterized in that: the thrust disc (20) is fixed on the sliding rotor (10), and the power output shaft (100) is inserted in a connecting shaft sleeve body (11) formed in the middle of the sliding rotor (10) and is fixed in the sliding rotor (10) through key connection;

the lower part of the connecting shaft sleeve body (11) is inserted and sleeved in a middle through hole (310) of the rack (30);

the bottom surface of the edge of the thrust disc (20) is pressed against a plurality of thrust pads (21), a plurality of mounting grooves (31) are formed on the top surface of the bottom plate at the outer side of the rack (30), the anti-pressing block (32) is inserted and sleeved in the mounting grooves (31), the bottom surface of the anti-pressing block (32) is pressed against the bottom surface of the mounting grooves (31), a lower mounting groove (211) is formed in the middle of the bottom surface of the thrust pad (21), the supporting block (22) is inserted and sleeved in the lower mounting groove (211), the top surface of the supporting block (22) is pressed against the top surface of the lower mounting groove (211), and the bottom surface of the supporting block (22) is pressed against the top surface of the anti-pressing block (32);

the middle top surface of the bottom plate of the rack (30) is fixed with an annular supporting block (33), the upper outer side wall of the sliding rotor (10) is formed with an annular part (12), the annular part (12) is inserted and sleeved in the annular supporting block (33), a radial screw joint through hole formed in the side wall of the annular supporting block (33) is screwed with an adjusting stud (331), the inner end of the adjusting stud (331) extends out of the inner side wall of the annular supporting block (33) and is formed with a side supporting block (332), a plurality of guide shoes (34) are arranged between the annular part (12) and the annular supporting block (33), the inner wall surface of each guide shoe (34) is tightly attached to the outer side wall of the annular part (12), the side supporting block (332) is inserted and sleeved in a mounting groove (341) formed in the middle part of the outer side wall of the corresponding guide shoe (34), and the inner end surface of each side supporting block (.

2. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: the outer end of the adjusting stud (331) extends out of the outer side wall of the annular supporting block (33) and is fixed with a rotating part (333).

3. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 2, wherein: a rotating dial (334) is fixed on the rotating part (333).

4. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: the inner end surface of the side support block (332) is a spherical surface which is pressed against the inner end surface of the mounting groove (341).

5. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: the top surface of the annular supporting block (33) is fixedly provided with a plurality of upper limiting blocks (335), the bottom surface of each upper limiting block (335) is formed with an upper limiting convex strip (336), the top surface of the top plate of the rack (10) at the inner side of the annular supporting block (33) is formed with a lower annular convex strip (13), the upper limiting convex strips (336) are inserted in upper annular grooves formed in the top surfaces of the corresponding guide tiles (34), and the lower annular convex strips (13) are inserted in lower annular grooves formed in the bottom surfaces of the guide tiles (34).

6. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: the bottom surface of the supporting block (22) is spherical and is pressed against the top surface of the pressure resisting block (32).

7. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: an upper annular groove (215) is formed in the middle of the top surface of the thrust pad (21).

8. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: an outer sleeve body (35) is fixed on the top surface of the outer side edge portion of the rack (30), the thrust disc (20) is inserted and sleeved in the upper portion of the outer sleeve body (35), a middle through hole (310) is formed in the middle of a bottom plate of the rack (30) at the middle through hole (310), a first oil blocking cylinder (36) and a second oil blocking cylinder (37) are fixed on the top surface of the bottom plate of the rack (30) and are inserted and sleeved in the first oil blocking cylinder (36), the top end of the first oil blocking cylinder (36) is higher than the height of the second oil blocking cylinder (37), an annular mounting groove (130) is formed between the bottom of the annular portion (12) and the outer side wall of the connecting shaft sleeve body (11) in a downward extending mode, the first oil blocking cylinder (36) and the second oil blocking cylinder (37) are inserted and sleeved in the annular mounting groove (130), an upper annular groove (131) is formed in the position, close to the annular portion (12), of the top surface of the annular mounting groove (, the upper part of the first oil blocking cylinder (36) is inserted and sleeved in the upper annular groove (131);

a first sealing annular block (361) is fixed on the side wall of the top of the first oil blocking cylinder (36), the first sealing annular block (361) is pressed against the inner side wall of the upper annular groove (131), a second sealing annular block (371) is fixed on the side wall of the upper part of the second oil blocking cylinder (37), and the second sealing annular block (371) is pressed against the outer side wall of the connecting shaft sleeve body (11);

an upper annular sealing block (24) is fixed on the top surface of the outer side edge of the thrust disc (20), a lower annular sealing block (351) is fixed on the top surface of the outer sleeve body (35), and the upper annular sealing block (24) is matched with the lower annular sealing block (351).

9. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: a first annular supporting block (38) is fixed on the top surface of the bottom plate of the rack (30) at the inner side of the thrust tile (21), a plurality of limiting guide horizontal blocks (381) are fixed on the top surface of the first annular supporting block (38), and the limiting guide horizontal blocks (381) are inserted in inner annular grooves formed in the inner side wall of the corresponding thrust tile (21).

10. The thrust bearing device of an internally adjustable shoe type vertical mill according to claim 1, wherein: the top surface of the bottom plate of the rack (30) at the outer side of each thrust tile (21) is connected with a vertical column (39) in a threaded mode, the top end of each vertical column (39) is inserted into a lower groove formed in the bottom surface of the outer side portion of the corresponding thrust tile (21) in a sleeved mode, an outer hexagonal rotating portion (391) is formed on the outer side wall of the middle of each vertical column (39), and the outer hexagonal rotating portion (391) is pressed against the top surface of the bottom plate of the rack (30).

The technical field is as follows:

the invention relates to the technical field of bearing bush bearings, in particular to a thrust bearing device of an internal adjusting guide bush type vertical mill.

Background art:

the vertical mill is a grinding machine widely used in cement, coal, electric power, chemical industry and other departments, and has the characteristics of integration of drying, grinding and powder selection, high grinding efficiency, high drying capacity, large granularity of the materials to be ground, simple and compact process flow, compact structure, small occupied area, low power consumption, low steel consumption, low noise, small dust emission, small abrasion of the grinding roller, long service life, easy operation and the like.

The existing driving mechanism of the vertical mill is generally that a motor drives a speed reducer to operate, the speed reducer transmits force to a thrust bearing at the top through a pair of bevel gears and planet gears, a grinding disc is installed on the thrust bearing, so that the grinding disc is driven to rotate, the structure of the existing driving mechanism is complex and large in size, meanwhile, the existing variable-frequency permanent magnet motor can directly drive the thrust bearing (the thrust disc) to rotate, the grinding disc is rotated to reduce the size of the existing driving mechanism, however, the existing driving mechanism is generally provided with a thrust bearing bush and a rolling bearing to be matched for use in a guide thrust bearing structure matched with the permanent magnet motor, the service life of the rolling bearing is short, the existing driving mechanism needs frequent maintenance, and is very troublesome, and the.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides an internal adjustment guide shoe type vertical mill thrust bearing device which can be directly connected with a power output shaft of a permanent magnet motor to realize rotation, is supported by a guide shoe and a thrust shoe to ensure the normal rotation use of a thrust disc, and has the advantages of good sealing effect, stable operation and long service life.

The scheme for solving the technical problems is as follows:

a thrust bearing device of an internal adjusting guide shoe type vertical mill comprises a sliding rotor, a thrust disc and a frame, wherein the thrust disc is fixed on the sliding rotor, and a power output shaft is inserted in a connecting shaft sleeve body formed in the middle of the sliding rotor and is fixed in the sliding rotor through key connection;

the lower part of the connecting shaft sleeve body is inserted and sleeved in the middle through hole of the rack;

the bottom surfaces of the edges of the thrust disc are pressed against a plurality of thrust pads, a plurality of mounting grooves are formed in the top surface of the bottom plate at the outer side of the rack, the compression-resistant blocks are inserted and sleeved in the mounting grooves, the bottom surfaces of the compression-resistant blocks are pressed against the bottom surfaces of the mounting grooves, a lower mounting groove is formed in the middle of the bottom surfaces of the thrust pads, the supporting blocks are inserted and sleeved in the lower mounting grooves, the top surfaces of the supporting blocks are pressed against the top surfaces of the lower mounting grooves, and the bottom surfaces of the supporting blocks are pressed against the top surfaces of;

the middle part top surface of the bottom plate of frame is fixed with annular support block, the upper portion lateral wall shaping of smooth rotor has the annular part, the loop shape plug bush is in annular support block, the spiro union has the regulation double-screw bolt on the radial spiro union through-hole that shaping has on the lateral wall of annular support block, the inner of regulation double-screw bolt stretches out the inside wall and the shaping of annular support block have the collateral branch supporting block of annular support block, be equipped with a plurality of guide tiles between annular part and the annular support block, the lateral wall of loop shape is hugged closely to the internal face of guide tile, the collateral branch supporting block plug bush is in the fashioned mounting groove in the lateral wall middle part of the guide tile that corresponds, the interior.

The outer end of the adjusting stud extends out of the outer side wall of the annular supporting block and is fixed with a rotating part.

And a rotating dial is fixed on the rotating part.

The inner end surface of the side support block is a spherical surface which is pressed against the inner end surface of the mounting groove.

The top surface of the annular supporting block is fixed with a plurality of upper limiting blocks, the bottom surface of each upper limiting block is formed with an upper limiting convex strip, the top surface of the top plate of the rack at the inner side of the annular supporting block is formed with a lower annular convex strip, the upper limiting convex strip is inserted in an upper annular groove formed in the top surface of the corresponding guide shoe, and the lower annular convex strip is inserted in a lower annular groove formed in the bottom surface of the guide shoe.

The bottom surface of the supporting block is a spherical surface which is pressed against the top surface of the pressure resisting block.

An upper annular groove is formed in the middle of the top surface of the thrust shoe.

An outer sleeve body is fixed on the top surface of the outer side edge of the rack, a thrust disc is inserted and sleeved in the upper portion of the outer sleeve body, a middle through hole is formed in the middle of a bottom plate of the rack, a first oil blocking cylinder and a second oil blocking cylinder are fixed on the top surface of the bottom plate of the rack at the middle through hole, the second oil blocking cylinder is inserted and sleeved in the first oil blocking cylinder, the top end of the first oil blocking cylinder is higher than the second oil blocking cylinder, an annular mounting groove is formed in the position, close to the annular portion, of the top surface of the annular mounting groove, an upper annular groove is formed in the position, close to the annular portion, of the top surface of the annular mounting groove, and the upper portion of the first oil blocking cylinder is inserted and sleeved in the upper annular groove;

a first sealing annular block is fixed on the side wall of the top of the first oil baffle cylinder and pressed against the inner side wall of the upper annular groove, a second sealing annular block is fixed on the side wall of the upper part of the second oil baffle cylinder and pressed against the outer side wall of the connecting shaft sleeve body;

an upper annular sealing block is fixed on the top surface of the outer side edge of the thrust disc, a lower annular sealing block is fixed on the top surface of the outer sleeve, and the upper annular sealing block is matched with the lower annular sealing block.

A first annular supporting block is fixed on the top surface of the bottom plate of the rack at the inner side of the thrust tile, a plurality of limiting guide horizontal blocks are fixed on the top surface of the first annular supporting block, and the limiting guide horizontal blocks are inserted in inner annular grooves formed in the inner side walls of the corresponding thrust tiles.

The top surface of the bottom plate of the rack at the outer side of each thrust tile is connected with a vertical column in a threaded mode, the top end of each vertical column is inserted into a lower groove formed in the bottom surface of the outer side portion of the corresponding thrust tile in a sleeved mode, an outer hexagonal rotating portion is formed in the outer side wall of the middle of each vertical column, and the outer hexagonal rotating portion is pressed on the top surface of the bottom plate of the rack.

The invention has the following outstanding effects:

compared with the prior art, the rotary thrust disc can be directly connected with a power output shaft of the permanent magnet motor to realize rotation, is supported by the guide shoe and the thrust shoe, ensures normal rotation use of the thrust disc, and has the advantages of good sealing effect, stable operation and long service life.

Description of the drawings:

FIG. 1 is a schematic view of a partial structure of the present invention;

FIG. 2 is a schematic diagram of a partial top view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partially enlarged view of another portion of fig. 1.

The specific implementation mode is as follows: