CN111706611B - Thrust bearing device of vertical mill adopting external adjustment guide shoe - Google Patents
Thrust bearing device of vertical mill adopting external adjustment guide shoe Download PDFInfo
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- CN111706611B CN111706611B CN202010589112.0A CN202010589112A CN111706611B CN 111706611 B CN111706611 B CN 111706611B CN 202010589112 A CN202010589112 A CN 202010589112A CN 111706611 B CN111706611 B CN 111706611B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- Support Of The Bearing (AREA)
Abstract
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.
Description
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 effect is not ideal.
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 compression-resistant blocks;
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 guide shoe that corresponds, the interior terminal surface of collateral branch supporting block presses on the interior terminal surface of mounting groove.
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:
in the embodiment, as shown in fig. 1 to 4, a thrust bearing device of a vertical mill using an external adjustment guide shoe comprises a connecting shaft sleeve body 10, a thrust disc 20 and a frame 30, wherein the thrust disc 20 is fixed on the connecting shaft sleeve body 10, and a 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, the top surface of the bottom plate at the outer side of the frame 30 is formed with a plurality of mounting grooves 310, the compression-resistant block 32 is inserted and sleeved in the mounting groove 310, the bottom surface of the compression-resistant block 32 is pressed against the bottom surface of the mounting groove 310, the middle part of the bottom surface of the thrust pad 21 is formed with a lower mounting groove 211, 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 compression-resistant block 32;
an outer sleeve 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 33, an annular guide sleeve 23 is fixed on the outer side wall of the thrust disc 20, an adjusting stud 331 is installed on the side plate of the outer sleeve 33, the inner end of the adjusting stud 331 extends out of the inner side wall of the outer sleeve 33 and is formed with a side support block 332, a plurality of guide shoes 34 are arranged between the outer sleeve 33 and the annular guide sleeve 23, the inner wall surfaces of the guide shoes 34 are 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 the side support block 332 is pressed against the inner end surface of the mounting groove 341.
Further, the outer end of the adjusting stud 331 extends out of the outer side wall of the outer casing 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, the outer side wall of the reinforcing block 339 is fixed on 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.
Further, a rotation dial 334 is fixed to the rotation unit 333.
Further, 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.
Further, the bottom surface of the support block 22 is spherical and is pressed against the top surface of the pressure-resistant block 32. The bottom surface of the support block 22 may also be formed with an elongated bar that presses against the top surface of the resistance press 32.
Furthermore, two positioning blocks 24 are fixed on the bottom surface of the thrust shoe 21, the positioning blocks 24 are provided with limiting through holes 241, the outer end and the inner end wall surfaces of the pressure-resistant block 32 are respectively formed with a positioning hole, the end portion of the limiting pin 242 is clamped in the positioning hole, and the limiting pin 242 is inserted in the limiting through hole 241.
Further, 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 sidewall 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.
Furthermore, 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.
Further, a lower support block 39 is fixed to a top surface of an outer side portion of the bottom plate of the frame 30, and a bottom surface of the guide shoe 34 is closely attached to a top surface of the lower support block 39.
Furthermore, an annular connecting portion 11 extending radially is formed on the outer side wall of the middle portion of the connecting shaft sleeve body 10, the thrust disc 20 is fixed on the top surface of the annular connecting portion 11, an annular protrusion mounting portion 25 extending downwards is formed on the bottom surface of the edge portion of the thrust disc 20, the bottom surface of the annular protrusion mounting portion 25 is pressed against the top surface of the thrust shoe 21, and an annular mounting groove 12 is formed between the inner side wall of the annular protrusion mounting portion 25 and the outer side wall of the annular connecting portion 11;
a middle through hole 31 is formed in the middle of the 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 that of the second oil blocking cylinder 36, the upper part of the first oil blocking cylinder 35 is inserted and sleeved in the annular mounting groove 12, a connecting plate is fixed on the side wall of the upper part of the first oil blocking cylinder 35, a first annular sealing element 3 is fixed on the connecting plate, and the top surface of the first annular sealing element 3 is pressed against the bottom surface of the annular convex mounting part 25 or the bottom surface of the annular connecting part 11;
and a second connecting plate is fixed on the top or the side wall of the second oil retaining cylinder 36, a second annular sealing element 4 is fixed on the top surface of the second connecting plate, and the top surface of the second annular sealing element 4 is pressed against the bottom surface of the connecting shaft sleeve body 10.
An outer protective cover 338 is fixed on the outer side wall of the reinforcing block 339, the rotating dial 334 and the rotating part 333 are positioned in the corresponding outer protective cover 338, and the outer protective cover 338 can protect the rotating dial 334 and the rotating part 333 from being collided by the outside.
The top surface of the connecting shaft sleeve body 10 is fixedly connected with an upper limiting cover 40 through a bolt, and the upper limiting cover 40 is pressed against the top surface of the power output shaft 100.
The limit portion shaping of the bottom plate of frame 30 has a plurality of guide shoe inlet ports 50, lead to on the guide shoe inlet port 50 and connect vertical oil pipe portion 51, the top shaping of vertical oil pipe portion 51 has arc pipe 52, arc pipe 52 is in between outer cover 33 and annular uide bushing 23, the bottom shaping of the other end of arc pipe 52 has the vertical portion of downwardly extending, vertical portion is fixed on the top surface of the bottom plate of frame 30, the bottom shaping of arc pipe 52 has a plurality of nozzle holes, realize the oil spout, wherein, vertical oil pipe portion 51, arc pipe 52 and vertical portion also can adopt the body of single-ended to realize connecting and intercommunication through welded fastening.
A plurality of high-pressure oil inlets 60 are formed in the edge portion of the bottom plate of the frame 30, a first connector 61 is connected to the top end of each high-pressure oil inlet 60, a connecting pipe 62 is connected to the top end of each first connector 61, and the other end of each connecting pipe 62 is connected to a second connector 63 connected to the outer end of the side oil inlet hole 216.
An oil return hole 7 is formed in a side plate on one side of the outer sleeve body 33, an oil return pipe connector 8 is fixed on the outer side wall of the side plate on one side of the outer sleeve body 33, and the oil return pipe connector 8 is communicated with the oil return hole 7;
a bottom oil outlet 80 is formed on the top surface of the bottom plate of the rack 30 between the first oil baffle cylinder 35 and the second oil baffle cylinder 36, and the bottom oil outlet 80 is communicated with a radial oil outlet 81 formed on the outer side wall of the bottom plate of the rack 30.
When the motor is used, the frame 30 is fixed on the motor frame support plate 200, the permanent magnet motor is fixed on the motor frame, and the power output shaft 100 of the permanent magnet motor is inserted into the connecting shaft sleeve body 10 and is fixed in the connecting shaft sleeve body 10 through key connection.
When the oil-filling device is used, the permanent magnet motor operates to drive the thrust disc 20 to rotate, meanwhile, the guide bush oil inlet hole 50 is filled with oil, and the high-pressure oil inlet hole 60 is also filled with oil through an external connecting oil pipe, so that oil is filled between the rack 30 and the thrust disc 20;
when the thrust disc 20 rotates, the upper sealing ring body 2 is matched with and pressed against the lower sealing ring body 1, so that the relative movement of the upper sealing ring body and the lower sealing ring body is realized, and the sealing effect is ensured at the same time, and the first annular sealing element 3, the second annular sealing element 4, the upper sealing ring body 2 and the lower sealing ring body 1 are all labyrinth sealing structures, so that the sealing effect is ensured;
when the thrust disc 20 is used, oil entering from the high-pressure oil inlet hole 60 is finally sprayed out from the central hole 217 of the thrust pad 21 and flows into the upper annular groove 215, so that a layer of oil film is formed between the top surface of the thrust pad 21 and the thrust disc 20, and the abrasion is reduced;
similarly, oil in the oil inlet hole 50 of the guide shoe is sprayed out from a plurality of oil spray holes formed at the bottom end of the arc-shaped pipe 52, so that the oil is positioned between the inner side wall of the guide shoe 34 and the outer side wall of the annular guide sleeve 23, and the abrasion between the inner side wall and the outer side wall is reduced;
when the oil-retaining device is used, when oil is excessively added, the oil can penetrate into a cavity on the bottom plate of the rack 30 between the first oil-retaining cylinder 35 and the second oil-retaining cylinder 36 from the upper end of the first oil-retaining cylinder 35, and the oil at the position can be discharged and returned through the bottom oil outlet 80, so that the oil is prevented from overflowing.
When the guide shoe is used, the adjusting stud 331 can be adjusted to move by rotating the rotating part 333, so that the distance between the inner side wall of the guide shoe 34 and the outer side wall of the annular guide sleeve 23 is adjusted, the use requirement is met, and the rotating part 333 is external, so that the guide shoe is convenient to adjust and good in effect. When the outer protective cover 338 is a sealed cover, it needs to be opened to operate.
The sealing structure is good in sealing effect, simple in structure, good in effect, long in service life and greatly reduced in maintenance frequency.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (9)
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);
an 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), an annular guide sleeve (23) is fixed on the outer side wall of the thrust disc (20), an 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 surfaces of the guide shoes (34) are tightly attached to the outer side wall of the annular guide sleeve (23), the side support blocks (332) are inserted in mounting grooves (341) formed in the middles of the outer side walls of the corresponding guide shoes (34), and the inner end surfaces of the side support blocks (332) are pressed on the inner end surfaces of the mounting grooves (341);
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).
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: 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).
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: 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).
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: 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).
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: 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).
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CN207777417U (en) * | 2018-01-18 | 2018-08-28 | 申科滑动轴承股份有限公司 | A kind of horizontal thrust bearing directly lubricated |
CN211371054U (en) * | 2019-12-06 | 2020-08-28 | 哈尔滨电气动力装备有限公司 | Oil lubrication thrust bearing suitable for nuclear main pump |
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2020
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JPH0828551A (en) * | 1994-07-15 | 1996-02-02 | Niigata Converter Kk | Thrust bearing |
US6309174B1 (en) * | 1997-02-28 | 2001-10-30 | Fluid Equipment Development Company, Llc | Thrust bearing for multistage centrifugal pumps |
US6857787B1 (en) * | 2001-03-09 | 2005-02-22 | Ina-Schaeffler Kg | Axial thrust bearing |
CN201953705U (en) * | 2011-03-18 | 2011-08-31 | 重庆齿轮箱有限责任公司 | Combined bearing for vertical planetary gear box of nuclear power circulating water pump |
CN204239453U (en) * | 2014-11-29 | 2015-04-01 | 哈尔滨广瀚燃气轮机有限公司 | A kind of turbo machine reverse slide bearing of two-way thrust |
CN207777417U (en) * | 2018-01-18 | 2018-08-28 | 申科滑动轴承股份有限公司 | A kind of horizontal thrust bearing directly lubricated |
CN211371054U (en) * | 2019-12-06 | 2020-08-28 | 哈尔滨电气动力装备有限公司 | Oil lubrication thrust bearing suitable for nuclear main pump |
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