CN210830195U - Sealing structure for bearing seat of high-speed horizontal screw machine - Google Patents
Sealing structure for bearing seat of high-speed horizontal screw machine Download PDFInfo
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- CN210830195U CN210830195U CN201921485827.0U CN201921485827U CN210830195U CN 210830195 U CN210830195 U CN 210830195U CN 201921485827 U CN201921485827 U CN 201921485827U CN 210830195 U CN210830195 U CN 210830195U
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- bearing seat
- end cover
- left end
- right end
- bearing
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- 238000007789 sealing Methods 0.000 title claims description 29
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 210000003027 ear inner Anatomy 0.000 claims description 46
- 210000003128 head Anatomy 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 28
- 238000005461 lubrication Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to a high-speed for sleeping in spiral shell machine seal structure for bearing frame mainly comprises the main bearing seat who sets up at spiral shell machine revolving drum head for sleeping in, the tail both ends, main bearing seat includes the left end lid, the bearing frame, the ball bearing, keep off the liquid board, the gassing plug screw, the disc, right-hand member lid and distance cover, the left end lid, the right-hand member lid, the bearing frame is all fixed on the spiral shell machine frame for sleeping in, the left end lid, right-hand member lid sets up the both ends at the bearing frame respectively, the ball bearing sets up in the inner chamber of bearing frame and overlaps on the spiral shell machine frame for sleeping in, it passes through the bolt and installs in one side of bearing frame to keep off the liquid board, the right-hand member is covered and is had the air bleed hole that links to each other with its inner chamber, be equipped with the gassing plug screw. The utility model has the advantages that the structure is rigorous, rationally distributed, convenient to use, the cost of manufacture is low, can satisfy the sealed requirement of high-speed spiral shell machine main bearing seat that crouches, guarantees that lubricating oil does not have in the main bearing seat and leaks.
Description
Technical Field
The utility model relates to a structural style of oil lubrication bearing frame, concretely relates to seal structure for high-speed spiral shell machine bearing frame crouches belongs to the sealed technical field of non-contact.
Background
At present, most of screw horizontal machine manufacturers adopt a dry oil lubrication mode, the dry oil lubrication has the advantages of simplicity, reliability, low price and the like, but the dry oil lubrication mode can only be suitable for low-speed centrifuges, and the high-speed screw horizontal machine needs better lubrication and bearing cooling. It is known that there is no suitable seal for high speed horizontal screw bearing seals and that the bearing housing presents sealing problems when lubricated with thin oil. The linear speed of the existing contact type seal can not meet the requirement of the structure type; the sealing performance of the non-contact sealing is poor, and the sealing performance cannot be guaranteed. Generally, when the seal revolving speed is greater than 5m/s, the lubricant is thrown out along the gap, so that the lubricant in the main bearing housing leaks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects in the prior art, the sealing structure for the bearing seat of the high-speed horizontal screw machine is provided, the mode of combining labyrinth seal and spiral seal is adopted, the lubricating problem of the high-speed horizontal screw machine can be effectively solved, the condition that lubricating oil in the main bearing seat is not leaked is ensured, and the reliability and the safety of the operation of the machine are further ensured.
In order to achieve the above object, the utility model provides a high-speed for spiral shell machine bearing frame seal structure crouches mainly comprises the main bearing seat who sets up at spiral shell machine rotary drum body head that crouches, tail both ends, main bearing seat includes left end cover, bearing frame, ball bearing, fender liquid board, gassing plug screw, disc, right-hand member lid and distance cover, left end cover, right-hand member lid, bearing frame are all fixed on the spiral shell machine frame crouches, and left end cover, right-hand member lid set up the both ends at the bearing frame respectively, ball bearing sets up in the inner chamber of bearing frame and overlaps on the spiral shell machine frame crouches, the fender liquid board passes through the bolt and installs one side at the bearing frame, fender liquid board and ball bearing outer lane fixed connection, fender liquid board and ball bearing outer lane are together fixed, and fender liquid board, ball bearing outer lane and bearing frame are immovable promptly, and disc and ball, The bearing seat and the liquid baffle plate rotate. The right end cover is provided with an air vent connected with an inner cavity of the right end cover, an air vent plug is arranged in the air vent, an oil thrower disc is arranged at the right end of the ball bearing, a distance sleeve is arranged at the left end of the ball bearing, and the oil thrower disc and the distance sleeve are both sleeved on a horizontal screw machine base.
The utility model discloses well spiral shell machine of sleeping in changes the drum body and is supported by two sets of main bearing seats and forms the solid of revolution. Because the main bearing of the high-speed horizontal screw machine adopts an oil bath lubrication mode, the structural form of the main bearing seat needs to be sealed, and the lubricating oil is prevented from leaking. The utility model discloses a main bearing seat adopts labyrinth seal and the form that the spiral seal combined together, can guarantee that lubricating oil does not have in the main bearing seat leaks to reach the purpose of sealed bearing seat lubricating oil. And simultaneously, the utility model discloses a seal structure combines together with the thin oil lubricating arrangement to realize the continuous pressure lubrication of bearing, reduces bearing wear and tear and maintains the oil temperature, makes equipment have good lubricated operating mode and working property, guarantees the high-efficient operation of equipment, has prolonged life.
Furthermore, a circular first spiral groove is formed in the left end cover; the left end cover is provided with three first labyrinths on the outer side of the inner ring, the cross sections of the first labyrinths are circular, the diameters of the three first labyrinths are sequentially increased from outside to inside, and the left end cover is provided with a first oil return hole communicated with the first labyrinths.
Furthermore, a circular second spiral groove is formed in the right end cover; the right-hand member lid is equipped with the second labyrinth that has three outside the inner circle of right-hand member lid, the cross-section of second labyrinth is the ring form to the diameter of three second labyrinths increases in proper order from outer to inner, first labyrinth and second labyrinth one-to-one, and the two diameter is the same the right-hand member is covered the system and is had the second oil gallery that is linked together with the second labyrinth.
Furthermore, the inner wall of the first spiral groove is provided with left-hand threads, and the inner wall of the second spiral groove is provided with right-hand threads.
In the structure, the left end cover and the right end cover need to be processed in pairs, the inner hole of the left end cover is provided with a unidirectional left-handed common triangular thread, and the inner hole of the right end cover is provided with a unidirectional right-handed common triangular thread. And the outer sides of the two end covers are both designed with labyrinth seal structures, and the labyrinth seal structures are three first labyrinths or three second labyrinths. In the structure, a closed cavity is formed by two groups of spiral sealing structures, so that the leakage of bearing lubricating oil is prevented.
Furthermore, the inner ring of the left end cover is provided with a concave groove, and the inner ring of the right end cover is provided with an L-shaped groove.
Furthermore, the distance sleeve is in a circular ring shape, one end of the distance sleeve is matched with the left end face of the ball bearing, the other end of the distance sleeve is provided with a convex edge extending outwards horizontally, and the convex edge is connected with the concave groove in a matched mode.
Furthermore, the oil thrower comprises an oil thrower body and a supporting sleeve, the cross section of the supporting sleeve is in a step shape, a step face at one end of the supporting sleeve is connected with the L-shaped groove in a matched mode, and a boss at the other end of the supporting sleeve is matched with the right end face of the ball bearing.
Furthermore, the inner ring of the bearing seat is provided with a first groove and a second groove which are arranged in a step shape, a ball bearing is arranged in the first groove, a liquid baffle plate is arranged in the second groove, and the bearing seat is provided with a through hole communicated with the second groove. The through holes are mainly used as vent holes.
Furthermore, a plurality of through screw holes extending along the axial direction are formed in the outer rings of the left end cover and the right end cover; the bearing seat is characterized in that a plurality of through screw holes extending along the axial direction are formed in the outer ring of the bearing seat, the through screw holes of the bearing seat are communicated with the through screw holes of the left end cover and the through screw holes of the right end cover to form a long screw hole, long bolts are arranged in a matched mode with the long screw holes, the left end cover, the bearing seat and the right end cover comprise a circular liquid baffle plate body, the liquid baffle plate body is provided with a semi-circular arc-shaped plate, and lubricating oil is stored in order to guarantee the radius of an arc.
The utility model has the advantages that the structure is rigorous, rationally distributed, convenient to use, the cost of manufacture is low, can satisfy the sealed requirement of high-speed spiral shell machine main bearing seat that crouches, guarantees that lubricating oil does not have in the main bearing seat and leaks.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the installation structure of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic diagram of the present invention.
In the figure: 1. the hydraulic oil pump comprises a main bearing seat I, a horizontal screw machine rotating drum 2, a main bearing seat II, a left end cover 4, a first spiral groove 401, a first labyrinth 402, a concave groove 403, a first oil return hole 404, a bearing seat 5, a ball bearing 6, a liquid baffle plate 7, a liquid baffle plate body 701, a liquid baffle plate body 702, a semi-arc plate 8, an air release screw plug 9, an oil thrower plate 901, an oil thrower plate body 902, a support sleeve 902, a right end cover 10, a second spiral groove 1001, a second labyrinth 1002, a groove 1003, an L-shaped groove 1004, a second oil return hole 11, a distance sleeve 12 and a long bolt.
Detailed Description
Example one
As shown in fig. 1 and 2, a sealing structure for a bearing seat of a high-speed horizontal screw machine mainly comprises a first main bearing seat 1 and a second main bearing seat 3, wherein the first main bearing seat 1 and the second main bearing seat 3 are respectively arranged at the head end and the tail end of a rotary drum body 2 of the horizontal screw machine, and the first main bearing seat 1 and the second main bearing seat 3 have substantially the same structure, and the main difference is that the rotary drum body 2 of the horizontal screw machine is a simple beam structure, the end of the main bearing seat 2 where a deep groove ball bearing is installed is a fixed end, the end of the main bearing seat 1 where a ball bearing is installed is a movable end, and the following description takes the second main bearing seat 3 as an example. The second main bearing seat 3 comprises a left end cover 4, a bearing seat 5, a ball bearing 6, a liquid baffle 7, an air-bleed screw plug 8, an oil thrower 9, a right end cover 10 and a distance sleeve 11, the left end cover 4, the right end cover 10 and the bearing seat 5 are all fixed on a horizontal screw machine base, the left end cover 4 and the right end cover 10 are respectively arranged at two ends of the bearing seat 5, the ball bearing 6 is arranged in an inner cavity of the bearing seat 5 and sleeved on the horizontal screw machine base, the liquid baffle 7 is installed on the right side of the bearing seat 5 through a bolt, the liquid baffle 7 is fixed with an outer ring of the ball bearing 6, namely, the liquid baffle 7, an outer ring of the ball bearing 6 and the bearing seat 7 are fixed, and the oil thrower 9 and an inner ring of the ball bearing 6 rotate. In addition, the right end cover 10 is provided with an air vent connected with the inner cavity of the right end cover, an air vent plug 8 is arranged in the air vent, the right end of the ball bearing 6 is provided with an oil thrower 9, the left end of the ball bearing is provided with a distance sleeve 11, and the oil thrower 9 and the distance sleeve 11 are both sleeved on the base of the horizontal screw machine.
The left end cover 4 adopts a left-handed sealing thread, the right end cover 10 adopts a right-handed sealing thread, as shown in fig. 3, the left end cover 4 is provided with an annular first spiral groove 401, the opening of the first spiral groove 401 is arranged towards the right, the inner wall of the first spiral groove 401 is provided with a unidirectional left-handed common triangular thread, the outer side of the inner ring of the left end cover 4 is provided with three labyrinths, the section of the first labyrinth 402 is annular, the diameter of the three labyrinths 402 is increased from outside to inside, the left end cover 4 is provided with a first oil return hole 404 communicated with the first labyrinth 402, the right end cover 10 is provided with an annular second spiral groove 1001, the opening of the second spiral groove 1001 is arranged towards the left, the inner wall of the second spiral groove 1001 is provided with a unidirectional right-handed common triangular thread, the outer side of the inner ring of the right end cover 10 is provided with three labyrinths 1002, the section of the second labyrinth 1002 is annular, the diameter of the three second labyrinth 1002 is increased from outside to inside, the right end cover 10 is provided with a second oil return hole 1004 communicated with the second labyrinth 1002, the energy of the first oil return hole 404 and the second labyrinth 1002 is 35 mm, the second labyrinth 1002, the diameter of the second labyrinth 404 is larger labyrinth 18mm, the labyrinth polish leakage sealing structure, the diameter of the labyrinth polish leakage sealing structure 3618 mm, the labyrinth polish leakage sealing structure is adopted for facilitating the most sealing structure, the diameter of the labyrinth 18mm, the labyrinth seal structure, the labyrinth structure, the diameter of the labyrinth structure, the labyrinth structure.
The liquid barrier 7 includes a circular liquid barrier body 701, and the liquid barrier body 701 has a plate 702 having a semicircular arc-shaped cross section. Because the second main bearing seat 3 is fixed on the base of the horizontal screw machine, when the liquid baffle plate 7 rotates at a high speed, the liquid baffle plate 7 and the outer ring of the ball bearing 6 are fixed together, and relative motion is formed between the oil thrower 9 which rotates together with the inner ring of the ball bearing 6 and the second main bearing seat 3. The distance sleeve 11 is in a circular ring shape, one end of the distance sleeve 11 is matched with the left end face of the inner ring of the ball bearing 6, the other end of the distance sleeve is provided with a convex edge extending outwards horizontally, and the convex edge is matched and connected with a concave groove 403 on the right side of the inner ring of the left end cover 4. The oil thrower 9 comprises an oil thrower body 901 and a support sleeve 902, the section of the support sleeve 902 is in a step shape, a step surface at one end of the support sleeve 902 is matched and connected with an L-shaped groove 1003 on the left side of the inner ring of the right end cover 10, and a boss at the other end is matched with the right end surface of the inner ring of the ball bearing 6. The bearing seat 5 is also in a ring shape, the inner ring of the bearing seat is provided with a first groove and a second groove which are arranged in a step shape, a ball bearing 6 is arranged in the first groove, a liquid baffle plate 7 is arranged in the second groove, and the bearing seat 5 is provided with a through hole 501 communicated with the second groove. The outer rings of the left end cover 4 and the right end cover 10 are provided with a plurality of through screw holes extending along the axial direction, the outer ring of the bearing seat 5 is also provided with a plurality of through screw holes extending along the axial direction, the through screw holes of the bearing seat 5 are respectively communicated with the through screw holes of the left end cover 4 and the through screw holes of the right end cover 10 to form a long screw hole, a long bolt 12 is arranged in a matching way with the long screw hole, and the left end cover 4, the bearing seat 5 and the right end cover 10 are connected into a whole by the long bolt 12.
When the horizontal screw machine rotating drum 2 rotates, the friction resistance of a shell consisting of the left end cover 4, the bearing seat 5 and the right end cover 10 is applied to prevent the lubricating oil from being filled with the lubricating oil and not rotating together with the rotating drum 2 of the horizontal screw machine, but continuously moves to enable the lubricating oil to generate axial movement, so that the lubricating oil is prevented from leaking into the left end cover 4 and the right end cover 10 in a single-direction sealing mode, and the lubricating oil is prevented from leaking into the right end cover 2 in a single-direction sealing mode, so that the lubricating oil is prevented from leaking into the left end cover 4 and leaking into the right end cover 5 in a single-direction sealing mode, and the lubricating oil is prevented from leaking into the right end cover 2 in a single-direction sealing mode, so that the lubricating oil is prevented from leaking into the right end cover 5 and being filled into the left end cover 4 and the right end cover 5 in a single-direction sealing mode, and the lubricating oil is prevented from leaking into the right end cover 4 and the left end cover 4 and the right end cover 4 and the rotating drum 2 of the horizontal screw machine rotating drum 2 in a single-direction, so that the lubricating oil is prevented from leaking into the left end cover 5 and the left end cover 2.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (10)
1. The utility model provides a high-speed for sleeping in spiral shell machine bearing frame seal structure which characterized in that: the main bearing seat is mainly composed of main bearing seats arranged at the head and the tail of a drum body (2) of a horizontal screw machine, the main bearing seats comprise a left end cover (4), a bearing seat (5), a ball bearing (6), a liquid baffle plate (7), an air-release screw plug (8), an oil thrower (9), a right end cover (10) and a distance sleeve (11), the left end cover (4), the right end cover (10) and the bearing seat (5) are all fixed on a base of the horizontal screw machine, the left end cover (4) and the right end cover (10) are respectively arranged at the two ends of the bearing seat (5), the ball bearing (6) is arranged in an inner cavity of the bearing seat (5) and sleeved on the base of the horizontal screw machine, the liquid baffle plate (7) is arranged at one side of the bearing seat (5) through bolts, the liquid baffle plate (7) is fixedly connected with the outer ring of the ball bearing (6), an air-release hole is arranged on the right end cover, the right end of the ball bearing (6) is provided with an oil thrower (9), the left end is provided with a distance sleeve (11), and the oil thrower (9) and the distance sleeve (11) are both sleeved on a horizontal screw machine base.
2. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 1, wherein: the left end cover (4) is provided with a circular first spiral groove (401); the outer side of the inner ring of the left end cover (4) is provided with three first labyrinths (402), the cross sections of the first labyrinths (402) are annular, the diameters of the three first labyrinths (402) are sequentially increased from outside to inside, and a first oil return hole (404) communicated with the first labyrinths (402) is formed in the left end cover (4).
3. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 2, characterized in that: a circular second spiral groove (1001) is formed in the right end cover (10); the outer side of the inner ring of the right end cover (10) is provided with three second labyrinths (1002), the sections of the second labyrinths (1002) are annular, the diameters of the three second labyrinths (1002) are sequentially increased from outside to inside, and second oil return holes (1004) communicated with the second labyrinths (1002) are formed in the right end cover (10).
4. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 3, wherein: the inner wall of the first spiral groove (401) is provided with left-handed threads, and the inner wall of the second spiral groove (1001) is provided with right-handed threads.
5. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 4, wherein: the inner ring of the left end cover (4) is provided with a concave groove (403), and the inner ring of the right end cover (10) is provided with an L-shaped groove (1003).
6. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 5, wherein: the distance sleeve (11) is in a circular ring shape, one end of the distance sleeve (11) is matched with the left end face of the ball bearing (6), the other end of the distance sleeve is provided with a convex edge extending outwards horizontally, and the convex edge is matched and connected with the concave groove (403).
7. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 6, wherein: the oil thrower (9) comprises an oil thrower body (901) and a supporting sleeve (902), the cross section of the supporting sleeve (902) is in a step shape, a step surface at one end of the supporting sleeve (902) is matched and connected with the L-shaped groove (1003), and a boss at the other end of the supporting sleeve is matched with the right end surface of the ball bearing (6).
8. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 7, wherein: the inner ring of the bearing seat (5) is provided with a first groove and a second groove which are arranged in a stepped manner, a ball bearing (6) is arranged in the first groove, a liquid baffle plate (7) is arranged in the second groove, and a through hole (501) communicated with the second groove is formed in the bearing seat (5).
9. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 8, wherein: the outer rings of the left end cover (4) and the right end cover (10) are provided with a plurality of through screw holes extending along the axial direction; the bearing seat is characterized in that a plurality of through screw holes extending along the axial direction are formed in the outer ring of the bearing seat (5), the through screw holes of the bearing seat (5) are respectively communicated with the through screw holes of the left end cover (4) and the through screw holes of the right end cover (10) to form a long screw hole, and a long bolt (12) is arranged in a matching mode of the long screw holes.
10. The sealing structure for the bearing seat of the high-speed horizontal screw machine according to claim 9, wherein: the liquid baffle (7) comprises a circular liquid baffle body (701), and a semi-arc-shaped plate (702) with a semi-circular section is arranged on the liquid baffle body (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485827.0U CN210830195U (en) | 2019-09-06 | 2019-09-06 | Sealing structure for bearing seat of high-speed horizontal screw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485827.0U CN210830195U (en) | 2019-09-06 | 2019-09-06 | Sealing structure for bearing seat of high-speed horizontal screw machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830195U true CN210830195U (en) | 2020-06-23 |
Family
ID=71261626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921485827.0U Withdrawn - After Issue CN210830195U (en) | 2019-09-06 | 2019-09-06 | Sealing structure for bearing seat of high-speed horizontal screw machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830195U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594303A (en) * | 2019-09-06 | 2019-12-20 | 南京中船绿洲机器有限公司 | Sealing structure for bearing seat of high-speed horizontal screw machine |
| CN112065860A (en) * | 2020-09-24 | 2020-12-11 | 哈尔滨电气动力装备有限公司 | Thin oil lubricating structure of rolling bearing |
| CN114484245A (en) * | 2021-12-27 | 2022-05-13 | 中车永济电机有限公司 | An oil-injection lubricating and sealing structure applied to high-speed motors |
-
2019
- 2019-09-06 CN CN201921485827.0U patent/CN210830195U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594303A (en) * | 2019-09-06 | 2019-12-20 | 南京中船绿洲机器有限公司 | Sealing structure for bearing seat of high-speed horizontal screw machine |
| CN110594303B (en) * | 2019-09-06 | 2024-05-17 | 南京中船绿洲机器有限公司 | Sealing structure for bearing seat of high-speed horizontal screw machine |
| CN112065860A (en) * | 2020-09-24 | 2020-12-11 | 哈尔滨电气动力装备有限公司 | Thin oil lubricating structure of rolling bearing |
| CN112065860B (en) * | 2020-09-24 | 2022-03-15 | 哈尔滨电气动力装备有限公司 | Thin oil lubricating structure of rolling bearing |
| CN114484245A (en) * | 2021-12-27 | 2022-05-13 | 中车永济电机有限公司 | An oil-injection lubricating and sealing structure applied to high-speed motors |
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Granted publication date: 20200623 Effective date of abandoning: 20240517 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200623 Effective date of abandoning: 20240517 |