阅读说明：本技术 一种采用外调节导瓦式立磨机推力轴承装置 (Thrust bearing device of vertical mill adopting external adjustment guide shoe ) 是由 朱挺 陈剑锋 何少佳 杨柯 邵周军 郑卓莹 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种采用外调节导瓦式立磨机推力轴承装置,包括连接轴套体、推力盘和机架,所述推力盘固定在连接轴套体上,动力输出轴插套在连接轴套体中并通过键连接固定在连接轴套体中；所述连接轴套体的下部插套在机架的中部通孔中；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,同时,其导瓦可以通过外部的转动部调节,其调节方便。(The invention discloses a thrust bearing device of a vertical mill adopting an externally-adjusted guide shoe, which comprises a connecting shaft sleeve body, a thrust disc and a rack, wherein the thrust disc is fixed on the connecting shaft sleeve body; the lower part of the connecting shaft sleeve body is inserted and sleeved in the middle through hole of the rack; it can be directly connected with permanent-magnet machine's power output shaft, realizes rotating, and it supports through guide shoe and thrust tile, guarantees the normal rotatory use of thrust dish, and simultaneously, its guide shoe can be adjusted through outside rotation portion, and it is convenient to adjust.)

1. The utility model provides an adopt outer regulation guide shoe formula mill thrust bearing device immediately, includes connecting the shaft sleeve body (10), thrust disc (20) and frame (30), its characterized in that: the thrust disc (20) is fixed on the connecting shaft sleeve body (10), and the power output shaft (100) is inserted in the connecting shaft sleeve body (10) and is fixed in the connecting shaft sleeve body (10) through key connection;

the lower part of the connecting shaft sleeve body (10) is inserted and sleeved in a middle through hole (31) 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 (310) 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 (310), the bottom surface of the anti-pressing block (32) is pressed against the bottom surface of the mounting grooves (310), 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 outer sleeve body (33) is fixed on the top surface of the outer side of the bottom plate of the rack (30), the thrust disc (20) is inserted in the upper portion of the outer sleeve body (33), the annular guide sleeve (23) is fixed on the outer side wall of the thrust disc (20), the adjusting stud (331) is installed on the side plate of the outer sleeve body (33), the inner end of the adjusting stud (331) extends out of the inner side wall of the outer sleeve body (33) and is formed with a side support block (332), a plurality of guide shoes (34) are arranged between the outer sleeve body (33) and the annular guide sleeve (23), the inner wall surface of each guide shoe (34) is tightly attached to the outer side wall of the annular guide sleeve (23), the side support block (332) is inserted in a mounting groove (341) formed in the middle of the outer side wall of the corresponding guide shoe (34), and the inner end surface of each side support block (332) is pressed on.

2. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: the outer end of the adjusting stud (331) extends out of the outer side wall of the outer sleeve body (33) and is fixed with a rotating part (333);

a plurality of through holes are formed in the side plate of the outer sleeve body (33), the reinforcing block (339) is inserted into the through holes in a sleeved mode, the outer side wall of the reinforcing block (339) is fixed to the inner side wall of the through holes, a radial bolt connection through hole is formed in the middle of the reinforcing block (339), and the adjusting stud (331) is in bolt connection with the radial bolt connection through hole in a threaded mode.

3. The thrust bearing device of claim 2, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: a rotating dial (334) is fixed on the rotating part (333).

4. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: 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 claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: the bottom surface of the supporting block (22) is spherical and is pressed against the top surface of the pressure resisting block (32).

6. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: two positioning blocks (24) are fixed on the bottom surface of the thrust tile (21), limiting through holes (241) are formed in the positioning blocks (24), positioning holes are formed in the outer end wall and the inner end wall of the anti-pressing block (32), the end portion of the limiting pin (242) is clamped in the positioning holes, and the limiting pin (242) is inserted in the limiting through holes (241).

7. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: an upper annular groove (215) is formed in the middle of the top surface of the thrust pad (21), a side oil inlet hole (216) is formed in the inner side wall of the thrust pad (21), and the inner end of the side oil inlet hole (216) is communicated with a central hole (217) formed in the middle of the top surface of the thrust pad (21).

8. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: a lower sealing ring body (1) is fixed on the top surface of the outer sleeve body (33), an upper sealing ring body (2) extending outwards is fixed on the top surface of the annular guide sleeve (23), and the upper sealing ring body (2) is matched with the lower sealing ring body (1).

9. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: and a lower supporting block (39) is fixed on the top surface of the outer side part of the bottom plate of the rack (30), and the bottom surface of the guide shoe (34) is tightly attached to the top surface of the lower supporting block (39).

10. The thrust bearing device of claim 1, wherein the thrust bearing device comprises an outer adjusting guide shoe type vertical mill, and the outer adjusting guide shoe type vertical mill comprises: an annular connecting part (11) extending in the radial direction is formed on the outer side wall of the middle part of the connecting shaft sleeve body (10), the thrust disc (20) is fixed on the top surface of the annular connecting part (11), an annular protrusion mounting part (25) extending downwards is formed on the bottom surface of the edge part of the thrust disc (20), the bottom surface of the annular protrusion mounting part (25) is pressed on the top surface of the thrust tile (21), and an annular mounting groove (12) is formed between the inner side wall of the annular protrusion mounting part (25) and the outer side wall of the annular connecting part (11);

a middle through hole (31) is formed in the middle of a bottom plate of the rack (30), a first oil blocking cylinder (35) and a second oil blocking cylinder (36) are fixed on the top surface of the bottom plate of the rack (30) at the position around the middle through hole (31), the top of the first oil blocking cylinder (35) is higher than the top of the second oil blocking cylinder (36), the upper part of the first oil blocking cylinder (35) is inserted into the annular mounting groove (12), a first annular sealing element (3) is fixed on the side wall of the upper part of the first oil blocking cylinder (35), and the top surface of the first annular sealing element (3) is pressed on the bottom surface of the annular convex mounting part (25) or the bottom surface of the annular connecting part (11);

and a second annular sealing element (4) is fixed on the top or the side wall of the second oil retaining cylinder (36), and the top surface of the second annular sealing element (4) is pressed against the bottom surface of the connecting shaft sleeve body (10).

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 a vertical mill adopting an externally-adjusted guide bush.

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 a thrust bearing device of a vertical mill, which adopts an externally-adjusted guide shoe, can be directly connected with a power output shaft of a permanent magnet motor to realize rotation, is supported by the guide shoe and a thrust shoe to ensure the normal rotation use of a thrust disc, and meanwhile, the guide shoe can be adjusted by an external rotating part, so that the adjustment is convenient.

The scheme for solving the technical problems is as follows:

a thrust bearing device of a vertical mill adopting an externally-adjusted guide shoe comprises a connecting shaft sleeve body, a thrust disc and a rack, wherein the thrust disc is fixed on the connecting shaft sleeve body;

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 utility model discloses a thrust disc thrust bearing, including the bottom plate of frame, be fixed with outer cover on the top surface of the outside department of the bottom plate of frame, the thrust disc plug bush is in the upper portion of the outer cover, be fixed with annular uide bushing on the lateral wall of thrust disc, install the regulation double-screw bolt on the curb plate of outer cover, the inner of regulation double-screw bolt stretches out the inside wall and the shaping of outer cover and has the collateral branch supporting block, be equipped with a plurality of guide shoes between outer cover and the annular uide bushing, the lateral wall of annular uide bushing is hugged closely to the internal face of guide shoe, the collateral branch supporting block plug bush is in the fashioned mounting groove in the lateral wall middle part of the.

The outer end of the adjusting stud extends out of the outer side wall of the outer sleeve body and is fixed with a rotating part;

a plurality of through holes are formed in the side plate of the outer sleeve body, the reinforcing blocks are inserted into the through holes in a sleeved mode, the outer side walls of the reinforcing blocks are fixed to the inner side walls of the through holes, radial bolt connection through holes are formed in the middle of the reinforcing blocks in a molded mode, and the adjusting studs are screwed in the radial bolt connection through holes.

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

Two positioning blocks are fixed on the bottom surface of the thrust tile, limiting through holes are formed in the positioning blocks, positioning holes are formed in the outer end wall and the inner end wall of the anti-pressing block, the end portion of the limiting pin is clamped in the positioning holes, and the limiting pin is inserted in the limiting through holes.

An upper annular groove is formed in the middle of the top surface of the thrust tile, a side oil inlet hole is formed in the inner side wall of the thrust tile, and the inner end of the side oil inlet hole is communicated with a central hole formed in the middle of the top surface of the thrust tile.

The top surface of the outer sleeve body is fixed with a lower sealing ring body, the top surface of the annular guide sleeve is fixed with an upper sealing ring body which extends outwards, and the upper sealing ring body is matched with the lower sealing ring body.

And a lower supporting block is fixed on the top surface of the outer side part of the bottom plate of the rack, and the bottom surface of the guide shoe is tightly attached to the top surface of the lower supporting block.

The outer side wall of the middle part of the connecting shaft sleeve body is formed with a radially extending annular connecting part, the thrust disc is fixed on the top surface of the annular connecting part, the bottom surface of the edge part of the thrust disc is formed with a downwardly extending annular bump mounting part, the bottom surface of the annular bump mounting part is pressed against the top surface of the thrust pad, and an annular mounting groove is formed between the inner side wall of the annular bump mounting part and the outer side wall of the annular connecting part;

a middle through hole is formed in the middle of the 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 periphery of the middle through hole, the top of the first oil blocking cylinder is higher than that of the second oil blocking cylinder, the upper part of the first oil blocking cylinder is inserted and sleeved in the annular mounting groove, a first annular sealing element is fixed on the side wall of the upper part of the first oil blocking cylinder, and the top surface of the first annular sealing element is pressed on the bottom surface of the annular convex mounting part or the bottom surface of the annular connecting part;

and a second annular sealing element is fixed at the top or the side wall of the second oil retaining cylinder, and the top surface of the second annular sealing element is pressed against the bottom surface of the connecting shaft sleeve body.

The invention has the following outstanding effects:

compared with the prior art, it can be directly connected with permanent-magnet machine's power output shaft, realizes rotating, and it supports through guide shoe and thrust tile, guarantees the normal rotatory use of thrust dish, and simultaneously, its guide shoe can be adjusted through outside rotation portion, and it is convenient to adjust.

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: