CN220646489U - High-rigidity hydrostatic shaft bearing - Google Patents
High-rigidity hydrostatic shaft bearing Download PDFInfo
- Publication number
- CN220646489U CN220646489U CN202320942384.3U CN202320942384U CN220646489U CN 220646489 U CN220646489 U CN 220646489U CN 202320942384 U CN202320942384 U CN 202320942384U CN 220646489 U CN220646489 U CN 220646489U
- Authority
- CN
- China
- Prior art keywords
- rollers
- groups
- ring
- air
- wear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model discloses a high-rigidity hydrostatic shaft bearing, which relates to the technical field of bearings and comprises an inner ring, an outer ring, rollers, a wear-resisting mechanism and an air circulation mechanism, wherein a movable cavity is formed between the inner ring and the outer ring, the rollers are movably sleeved in the movable cavity, the outer ring is movably sleeved outside the rollers, and one side of the inner ring is provided with a shaft through hole; the wear-resisting mechanism comprises a connecting plate, a jacket and a wear-resisting ring, wherein the jacket is arranged in a semicircular shape, and the jacket is movably sleeved outside the roller. According to the anti-abrasion bearing, the inner ring rotates to drive the rollers to rotate, friction is generated between the outer part of the rollers and the outer part of the inner ring and between the outer part of the outer ring, a group of connecting plates and two groups of jackets are arranged between every two groups of rollers, the jacket is convenient for reducing the contact area between the rollers and the outer part, and the anti-abrasion ring effectively reduces the contact area between the rollers and the inner ring and the outer ring, so that friction generated during rotation of the rollers is reduced, and the whole service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a high-rigidity hydrostatic shaft bearing.
Background
The high-rigidity hydrostatic bearing is a high-rigidity sliding bearing adopting static lubrication, the static lubrication is different from a dynamic lubrication principle, the hydrostatic bearing is provided with pressure oil by an external lubricating oil pump to form a pressure oil film so as to bear load, while a plurality of hydrodynamic bearings are also provided with the pressure oil by the lubricating oil pump, the properties of the hydrostatic bearing are different, most obvious oil supply pressure differences are obvious, the oil supply pressure of the hydrostatic bearing is much higher than that of the hydrodynamic bearing, one of the key characteristics of the hydrostatic bearing is that a bearing oil film can be established in a completely static state, and the two surfaces of a friction pair can be ensured not to be directly contacted in a starting stage, which is impossible in the hydrodynamic bearing. The types of lubricants can be divided into two types, namely hydrostatic bearings, wherein the important point is that oil is used as the lubricant, the other type is that gas is used as the lubricant, the important point is that air is used as the lubricant, the most used is that the hydrostatic bearings are used, and the range of the use of the aerostatic bearings is smaller.
The high-rigidity hydrostatic bearing in the current market consists of an inner ring, an outer ring, a fixing frame and rollers, wherein the rollers are movably arranged in the fixing frame, and the fixing frame is positioned between the inner ring and the outer ring.
When the roller rotates, the contact surface between the roller and the inner ring, the outer ring and the fixing frame is larger, so that larger friction is generated, heat is generated by friction, and when the roller works, the external air of the roller does not circulate, and the heat cannot be dissipated, so that the whole bearing is in a high-temperature environment, and the service life of the bearing is influenced.
Disclosure of Invention
The utility model mainly aims to provide a high-rigidity static pressure shaft bearing, which can effectively solve the problems that when a roller of the existing high-rigidity static pressure shaft bearing provided in the background art rotates, the contact surface between the roller and an inner ring, an outer ring and a fixing frame is large, so that large friction is generated, heat is generated by friction, and when the roller works, air outside the roller does not circulate, heat cannot be dissipated, the whole bearing is in a high-temperature environment, and the service life of the bearing is influenced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the high-rigidity hydrostatic shaft bearing comprises an inner ring, an outer ring, rollers, a wear-resisting mechanism and an air circulation mechanism, wherein a movable cavity is formed between the inner ring and the outer ring, the rollers are movably sleeved in the movable cavity, the outer ring is movably sleeved outside the rollers, and a shaft through hole is formed in one side of the inner ring;
the wear-resisting mechanism comprises a connecting plate, a jacket and an anti-wear ring, wherein the jacket is arranged in a semicircular shape, the jacket is movably sleeved outside the roller, the connecting plate is fixedly arranged on the other side of the jacket, an annular groove is embedded in the outer surface of the roller, and the anti-wear ring is movably arranged in the annular groove;
the air circulation mechanism comprises an air circulation pipeline and a dust screen, the air circulation pipeline is fixedly arranged in the outer ring, an air inlet pipe is fixedly arranged on the top wall of the air circulation pipeline, the dust screen is combined with the inner wall of the air inlet pipe, an air outlet is formed in the bottom wall of the air circulation pipeline, and the air outlet is communicated with the movable cavity.
Preferably, the rollers are provided with a plurality of groups, the rollers are circumferentially distributed, and the rollers are arranged between the inner ring and the outer ring.
Preferably, a whole structure formed by a group of connecting plates and two groups of jackets is arranged between every two groups of rollers, and the two groups of jackets are respectively and movably arranged at one side of the two groups of rollers. The two sides of each roller are respectively provided with a clamping sleeve, the clamping sleeves clamp the rollers, the connecting plate clamps the two clamping sleeves, the rollers rotate between the two clamping sleeves, and the two clamping sleeves prevent the rollers from shifting.
Preferably, a bearing seat is sleeved outside the outer ring, and the top of the air inlet pipe is penetrated with the bearing seat. The bearing seat is arranged to support the whole bearing.
Preferably, the integral structure formed by the air inlet pipe and the dust screen is provided with three groups, and the integral structure formed by the air inlet pipe and the dust screen of the three groups is in triangular distribution. The three groups of air inlet pipes are arranged so that air can conveniently enter the air flowing pipeline.
Preferably, the air outlets are provided with a plurality of groups, the air outlets of the plurality of groups are uniformly distributed at intervals, and the air outlets of the plurality of groups are communicated with the air flowing pipeline and the movable cavity. The air outlets of the plurality of groups are arranged, so that air in the air flowing pipeline enters the movable cavity conveniently, heat generated by friction of the rollers flows, and the rollers are cooled.
Preferably, the anti-wear ring is provided with a plurality of groups, the anti-wear rings of the plurality of groups are uniformly distributed at intervals, and graphite layers are coated on the outer parts of the anti-wear rings of the plurality of groups. The abrasion-proof ring effectively reduces friction between the roller and the inner ring, so that the service life of the whole bearing is prolonged.
Compared with the prior art, the utility model has the following beneficial effects:
1. through the wear-resisting mechanism, when the inner ring rotates, the rollers are driven to rotate, friction is generated between the outer part of the rollers and the outer part of the inner ring and the inner wall of the outer ring, a group of connecting plates and two groups of jackets are arranged between every two groups of rollers, the design of the jackets is convenient for reducing the contact area between the rollers and the outer part, and the wear-resisting ring effectively reduces the contact area between the rollers and the inner ring and the outer ring, so that the friction generated when the rollers rotate is reduced, and the whole service life of the bearing is prolonged;
2. through the air circulation mechanism that sets up, the dust screen that sets up in the air advances intraductal dust in air is convenient for filter, and the air flow after the filtration flows into in the air circulation pipeline, because connect through pressing from both sides cover and connecting plate between the roller for there is great gap in the activity intracavity, the heat that the roller during operation produced can be discharged, and the air enters into the activity intracavity through the air inlet, contacts with the roller, makes the holistic temperature of bearing reduce.
Drawings
FIG. 1 is a front view of a high rigidity hydrostatic shaft bearing of the present utility model;
FIG. 2 is a side view of a high rigidity hydrostatic shaft bearing of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 1;
fig. 4 is an enlarged view of the utility model at B in fig. 1.
In the figure: 1. an inner ring; 2. an outer ring; 3. a shaft through hole; 4. a bearing seat; 5. an air inlet pipe; 6. a dust screen; 7. a roller; 8. a connecting plate; 9. a jacket; 10. an air flow conduit; 11. an air outlet; 12. and (3) an abrasion-proof ring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the utility model discloses a high-rigidity hydrostatic shaft bearing, which comprises an inner ring 1, an outer ring 2, rollers 7, a wear-resisting mechanism and an air circulation mechanism, wherein a movable cavity is formed between the inner ring 1 and the outer ring 2, the rollers 7 are movably sleeved in the movable cavity, the outer ring 2 is movably sleeved outside the rollers 7, and a shaft through hole 3 is formed in one side of the inner ring 1;
the wear-resisting mechanism comprises a connecting plate 8, a jacket 9 and an anti-wear ring 12, wherein the jacket 9 is in a semicircular shape, the jacket 9 is movably sleeved outside the roller 7, the connecting plate 8 is fixedly arranged on the other side of the jacket 9, an annular groove is embedded in the outer surface of the roller 7, and the anti-wear ring 12 is movably arranged in the annular groove;
the air circulation mechanism comprises an air circulation pipeline 10 and a dust screen 6, wherein the air circulation pipeline 10 is fixedly arranged in the outer ring 2, an air inlet pipe 5 is fixedly arranged on the top wall of the air circulation pipeline 10, the dust screen 6 is clamped on the inner wall of the air inlet pipe 5, an air outlet 11 is formed in the bottom wall of the air circulation pipeline 10, and the air outlet 11 is communicated with the movable cavity.
The rollers 7 are provided with a plurality of groups, the rollers 7 of the plurality of groups are distributed circumferentially, and the rollers 7 of the plurality of groups are arranged between the inner ring 1 and the outer ring 2.
A group of connecting plates 8 and two groups of jackets 9 are arranged between every two groups of rollers 7 to form an integral structure, and the two groups of jackets 9 are respectively and movably arranged on one side of the two groups of rollers 7. The two sides of each roller 7 are respectively provided with a clamping sleeve 9, the clamping sleeves 9 clamp the rollers 7, the connecting plate 8 clamps the two clamping sleeves 9, the rollers 7 rotate between the two clamping sleeves 9, and the two clamping sleeves 9 prevent the rollers 7 from shifting.
The outer part of the outer ring 2 is sleeved with a bearing seat 4, and the top of an air inlet pipe 5 penetrates through the bearing seat 4. The bearing seat 4 is arranged to support the whole bearing.
The integral structure formed by the air inlet pipe 5 and the dust screen 6 is provided with three groups, and the integral structure formed by the three groups of air inlet pipes 5 and the dust screen 6 is in triangular distribution. The provision of three sets of air inlet ducts 5 facilitates the ingress of air into the air flow duct 10.
The air outlets 11 are provided with a plurality of groups, the air outlets 11 of the groups are uniformly distributed at intervals, and the air outlets 11 of the groups are communicated with the air flow pipeline 10 and the movable cavity. A plurality of groups of air outlets 11 are arranged, so that air in the air flowing pipeline 10 can enter the movable cavity conveniently, and heat generated by friction of the roller 7 flows, so that the roller 7 is cooled.
The anti-wear rings 12 are provided with a plurality of groups, the anti-wear rings 12 of the groups are uniformly distributed at intervals, and graphite layers are coated on the outsides of the anti-wear rings 12 of the groups. The provided wear-resistant ring 12 effectively reduces friction between the roller 7 and the inner ring 1, thereby prolonging the service life of the bearing as a whole.
The working principle of the utility model is as follows:
when the inner ring 1 rotates, the rollers 7 are driven to rotate, friction is generated between the outer part of the rollers 7 and the outer part of the inner ring 1 and the inner wall of the outer ring 2, a group of connecting plates 8 and two groups of jackets 9 are arranged between every two groups of rollers 7, the contact area between the rollers 7 and the outer part is conveniently reduced by the design of the jackets 9, the contact area between the rollers 7 and the inner ring 1 and the outer ring 2 is effectively reduced by the arranged anti-abrasion ring 12, friction generated when the rollers 7 rotate is reduced, dust in air is conveniently filtered by the dust screen 6 arranged in the air inlet pipe 5, the filtered air flows into the air flow pipeline 10, and because the rollers 7 are connected with the connecting plates 8 through the jackets 9, larger gaps are formed in the movable cavity, heat generated when the rollers 7 work can be discharged, and the air enters the movable cavity through the air inlet to be in contact with the rollers 7, so that the integral temperature of the bearing is reduced, and the integral service life of the bearing is prolonged.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The high-rigidity hydrostatic shaft bearing is characterized by comprising an inner ring (1), an outer ring (2), rollers (7), a wear-resisting mechanism and an air circulation mechanism, wherein a movable cavity is formed between the inner ring (1) and the outer ring (2), the rollers (7) are movably sleeved in the movable cavity, the outer ring (2) is movably sleeved outside the rollers (7), and a shaft through hole (3) is formed in one side of the inner ring (1);
the wear-resisting mechanism comprises a connecting plate (8), a jacket (9) and an anti-wear ring (12), wherein the jacket (9) is arranged in a semicircular shape, the jacket (9) is movably sleeved outside the roller (7), the connecting plate (8) is fixedly arranged on the other side of the jacket (9), an annular groove is embedded in the outer surface of the roller (7), and the anti-wear ring (12) is movably arranged in the annular groove;
the air circulation mechanism comprises an air circulation pipeline (10) and a dust screen (6), the air circulation pipeline (10) is fixedly arranged in the outer ring (2), an air inlet pipe (5) is fixedly arranged on the top wall of the air circulation pipeline (10), the dust screen (6) is clamped on the inner wall of the air inlet pipe (5), an air outlet (11) is formed in the bottom wall of the air circulation pipeline (10), and the air outlet (11) is communicated with the movable cavity.
2. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: the rollers (7) are provided with a plurality of groups, the rollers (7) are distributed circumferentially, and the rollers (7) are arranged between the inner ring (1) and the outer ring (2).
3. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: a group of connecting plates (8) and an integral structure formed by two groups of jackets (9) are arranged between every two groups of rollers (7), and the two groups of jackets (9) are movably arranged on one side of each group of rollers (7).
4. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: the outer part of the outer ring (2) is sleeved with a bearing seat (4), and the top of the air inlet pipe (5) is penetrated with the bearing seat (4).
5. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: the air inlet pipe (5) and the dust screen (6) form an integral structure which is provided with three groups, and the three groups of integral structures formed by the air inlet pipe (5) and the dust screen (6) are distributed in a triangular mode.
6. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: the air outlets (11) are provided with a plurality of groups, the air outlets (11) of the groups are uniformly distributed at intervals, and the air outlets (11) of the groups are communicated with the air flowing pipeline (10) and the movable cavity.
7. A high rigidity hydrostatic shaft bearing according to claim 1, wherein: the anti-wear ring (12) is provided with a plurality of groups, the anti-wear ring (12) of a plurality of groups are uniformly distributed at intervals, and graphite layers are coated on the outer parts of the anti-wear ring (12) of a plurality of groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942384.3U CN220646489U (en) | 2023-04-24 | 2023-04-24 | High-rigidity hydrostatic shaft bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942384.3U CN220646489U (en) | 2023-04-24 | 2023-04-24 | High-rigidity hydrostatic shaft bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646489U true CN220646489U (en) | 2024-03-22 |
Family
ID=90265703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320942384.3U Active CN220646489U (en) | 2023-04-24 | 2023-04-24 | High-rigidity hydrostatic shaft bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646489U (en) |
-
2023
- 2023-04-24 CN CN202320942384.3U patent/CN220646489U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2519615C (en) | Rotary union for directing a heat exchange fluid | |
| CN102748390B (en) | Hydrodynamic axial bearing | |
| CN201410550Y (en) | Internal-cooled quick-replaceable roller | |
| CN220646489U (en) | High-rigidity hydrostatic shaft bearing | |
| CN114012500A (en) | Lubricating, cooling and complete machine structure of high-speed electric main shaft | |
| CN203023269U (en) | Water lubricating graphite sliding bearing | |
| US20230213065A1 (en) | Crosshead part and crosshead system for drilling pumps and the drilling pumps | |
| CN211501379U (en) | Plain bearing axle bush cooling device | |
| CN105387067A (en) | High-speed guide and guard bearing | |
| CN112460137A (en) | Medium liquid self-cooling static pressure environment-friendly sliding bearing | |
| CN213839276U (en) | Medium liquid self-cooling static pressure environment-friendly sliding bearing | |
| CN115853912B (en) | Independent cooling support bearing with self-adaptive axis deflection function | |
| CN216430274U (en) | Heavy-load straightening supporting roll structure | |
| CN117359486A (en) | Electric spindle of grinding machine | |
| CN218439761U (en) | Sealing device of oil-free screw air compressor | |
| CN221032914U (en) | Thrust bearing and thrust load system of mixed flow type turbine unit | |
| CN212004023U (en) | Wet-type double clutch and oil supply structure of wet-type double clutch | |
| CN216111792U (en) | Water-cooling split bearing sleeve convenient to install | |
| CN217652953U (en) | Solar thermal energy power generation high temperature molten salt pump middle bearing seat subassembly structure | |
| CN216044982U (en) | Roller bearing with good heat dissipation performance | |
| CN213331213U (en) | Oil pump and cooling pump connecting device | |
| CN217107871U (en) | Oil-supplementing needle bearing | |
| CN218377334U (en) | Wear-resisting self-lubricating polyformaldehyde guide ring | |
| CN217814141U (en) | Mechanical seal cooling device | |
| CN217633541U (en) | Clutch shaft lubricating arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |