CN117432718A - Bearing pedestal with vibration damper - Google Patents
Bearing pedestal with vibration damper Download PDFInfo
- Publication number
- CN117432718A CN117432718A CN202311607282.7A CN202311607282A CN117432718A CN 117432718 A CN117432718 A CN 117432718A CN 202311607282 A CN202311607282 A CN 202311607282A CN 117432718 A CN117432718 A CN 117432718A
- Authority
- CN
- China
- Prior art keywords
- bearing
- connecting portion
- elastic
- air bag
- vibration
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title description 5
- 238000001125 extrusion Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 6
- 239000012634 fragment Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- 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
- F16C37/00—Cooling of bearings
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/30—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention provides a bearing seat with a vibration damper, which comprises a mounting frame, wherein a mounting hole is formed in the mounting frame, a plurality of supporting springs are arranged in the mounting hole along the circumferential direction, each supporting spring comprises a first connecting part and a second connecting part, the first connecting parts are fixedly connected with the mounting hole, the second connecting parts are propped against the outer wall surface of a bearing outer ring, an elastic connecting part is arranged between the first connecting parts and the second connecting parts, an elastic limiting assembly is arranged on one side, close to a bearing, of the second connecting parts, each elastic limiting assembly comprises a limiting piece arranged on one side of the bearing and an elastic extrusion piece arranged on the other side of the bearing, and each elastic extrusion piece is inclined towards the direction of the limiting piece from the second connecting parts to the axial direction of the bearing. According to the bearing seat with the vibration damper, the elastic connecting part arranged between the first connecting part and the second connecting part is used for absorbing radial vibration of the bearing during operation, and the elastic extrusion sheet and the limiting sheet are matched to limit the axial position of the bearing and absorb the axial vibration of the bearing during operation.
Description
Technical Field
The invention relates to the technical field of bearing seats, in particular to a bearing seat with a vibration damper.
Background
The bearing pedestal is used as a device for bearing the torque of the rotating shaft in the rotating process, the rotating shaft can vibrate to different degrees during rotation, and the junction between the bearing and the bearing pedestal can vibrate, so that the bearing pedestal and the bearing are extremely easy to sprain each other during use under the condition of vibration. In the prior art, in order to avoid the damage to the bearing and the bearing seat caused by the vibration generated during the rotation of the rotating shaft, a plurality of bearing seats with vibration reduction functions are designed by the technical staff in the field, but the bearing seats can only buffer the radial vibration of the rotating shaft, can not buffer the vibration generated in the axial direction of the rotating shaft, and the bearing seats can also generate the shattering condition to influence the normal production of equipment.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the invention provides a bearing seat with a vibration damper, which aims to overcome the defects that a bearing seat in the prior art can only buffer radial vibration of a rotating shaft, cannot buffer vibration generated by the rotating shaft in the axial direction, and has the influence on normal production of equipment due to the fact that the bearing seat is cracked.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a bearing frame with vibration damper, includes the mounting bracket, be equipped with the mounting hole on the mounting bracket, be equipped with a plurality of supporting springs along circumference in the mounting hole, supporting spring includes first connecting portion and second connecting portion, first connecting portion and mounting hole fixed connection, on the outer wall surface of bearing outer lane is located to the second connecting portion support, be equipped with the elastic connection portion that is used for absorbing bearing radial vibration between first connecting portion and the second connecting portion, one side that the second connecting portion is close to the bearing is equipped with the spacing subassembly of elasticity that is used for absorbing bearing axial vibration, the spacing subassembly of elasticity is including locating the spacing piece of bearing one side and locating the elasticity extrusion piece of bearing opposite side, elasticity extrusion piece is from second connecting portion toward bearing axis direction slope to spacing piece direction.
The plurality of support springs are arranged in the mounting holes and fixedly connected with the mounting holes, and the plurality of second connecting parts are mutually matched to form a mounting space for mounting the bearing; the bearing is clamped into the installation space, the axial position of the bearing is limited by the plurality of mutually matched limiting sheets and the elastic extrusion sheets, and the elastic extrusion sheets apply acting force towards the direction of the limiting sheets to the bearing. The elastic connecting part is arranged between the first connecting part and the second connecting part and can absorb radial vibration of the bearing during operation; the elastic extrusion piece can absorb axial vibration of the bearing during operation.
Further, in order to absorb radial vibration of the bearing during operation, the bearing is mounted on the plurality of supporting springs for convenience, the elastic connecting portion is made of an elastic sheet, one end of the elastic connecting portion is connected with the end portion of the first connecting portion, the other end of the elastic connecting portion is connected with the end portion of the second connecting portion, and the elastic connecting portions are arranged on the same conical surface.
Further, one end of the elastic extrusion sheet, which is close to the limiting sheet, is provided with a bending part for buckling the inner wall surface of the bearing outer ring.
Further, in order to adapt to the bearing of different width specifications, the spacing piece includes spacing portion and adjustment portion, spacing portion and adjustment portion mutually support and form L shape structure, second connecting portion is equipped with the spout along length direction, adjustment portion and spout sliding connection, adjustment portion one side is equipped with one row of regulation tooth, it inclines towards spacing portion direction to adjust the tooth point, spout opening part is equipped with rotates and is provided with the latch, be equipped with the drive on the latch is close to the torsional spring of adjusting the tooth.
The adjusting part on the limiting piece is provided with a row of adjusting teeth, the torsional spring drives the clamping teeth to be clamped between the teeth of the adjusting teeth, and the tooth tip of the adjusting teeth inclines towards the direction of the limiting part, so that the adjusting part can not withdraw from the sliding groove after being inserted into the sliding groove, and the limiting piece and the elastic extrusion piece are mutually matched to limit the position of the bearing; in addition, the elastic extrusion sheet has certain elasticity, so that axial vibration of the bearing during working can be absorbed.
Further, the latch is provided with a pressing part for driving the latch to be far away from the adjusting teeth. The pressing part for pressing the latch drives the latch to rotate along the rotation center, and the latch is far away from the adjusting teeth so as to conveniently adjust the position of the limiting piece.
Further, inlay between first connecting portion and the elastic connection portion and be equipped with annular gasbag, the gasbag cross-section is triangle-shaped, be full of the cooling oil in the gasbag, gasbag internal face top is equipped with the nozzle opening that sets up towards the bearing ball direction.
The annular air bag is embedded between the first connecting part and the elastic connecting part and plays an auxiliary supporting role on the elastic connecting part. When the elastic connecting part absorbs radial vibration of the bearing, the air bag is extruded, cooling oil in the air bag is sprayed out from the oil spraying holes after the air bag is extruded, the section of the air bag is triangular, the oil spraying holes are formed in the inclined planes of the air bag, and the sprayed cooling oil is sprayed onto the bearing balls from the side surfaces of the bearing, so that the bearing is cooled and lubricated.
Further, the air bag is connected with the first connecting part and the elastic connecting part in an adhesive mode, and the air bag is provided with an oil supplementing port.
The beneficial effects of the invention are as follows: according to the bearing seat with the vibration damper, the elastic connecting part arranged between the first connecting part and the second connecting part is used for absorbing radial vibration of the bearing during operation, and the elastic extrusion sheet and the limiting sheet are matched to limit the axial position of the bearing and absorb the axial vibration of the bearing during operation; the supporting spring is supported in an auxiliary mode through the air bag, the service life of the supporting spring is prolonged, meanwhile, cooling oil is sprayed out of the bearing balls through the oil spraying holes on the inclined surfaces of the air bag, the bearing is cooled and lubricated, and the service life of the bearing is prolonged.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the configuration of the bearing in cooperation with the bearing housing;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a schematic view of the configuration of the bearing in cooperation with the bearing housing;
FIG. 5 is an enlarged schematic view of B in FIG. 4;
fig. 6 is a schematic cross-sectional view of a support spring.
In the figure: 1. the mounting bracket comprises a mounting bracket body, 11, mounting holes, 2, supporting springs, 21, a first connecting part, 22, a second connecting part, 221, a sliding chute, 23, an elastic connecting part, 3, a bearing, 4, an elastic extrusion sheet, 41, a bending part, 5, a limiting sheet, 51, a limiting part, 52, an adjusting part, 521, adjusting teeth, 6, clamping teeth, 61, a pressing part, 7, an air bag, 71 and an oil injection hole.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
As shown in fig. 1-6, the bearing seat with the vibration damper comprises a mounting frame 1, wherein a mounting hole 11 is formed in the mounting frame 1, a plurality of supporting springs 2 are circumferentially arranged in the mounting hole 11, each supporting spring 2 comprises a first connecting portion 21 and a second connecting portion 22, the first connecting portion 21 is fixedly connected with the mounting hole 11, the second connecting portion 22 is abutted to the outer wall surface of the outer ring of the bearing 3, an elastic connecting portion 23 for absorbing radial vibration of the bearing 3 is arranged between the first connecting portion 21 and the second connecting portion 22, an elastic limiting assembly for absorbing axial vibration of the bearing 3 is arranged on one side, close to the bearing 3, of the second connecting portion 22, each elastic limiting assembly comprises a limiting piece 5 arranged on one side of the bearing 3 and an elastic extrusion piece 4 arranged on the other side of the bearing 3, and each elastic extrusion piece 4 is inclined towards the direction of the limiting piece 5 from the second connecting portion 22 towards the axial direction of the bearing 3. The elastic extrusion piece 4 is fixedly connected with the second connecting part 22 through a screw, and the elastic extrusion piece 4 can be partially replaced after failure.
The elastic connecting portion 23 is made of elastic sheets, one end of the elastic connecting portion 23 is connected with the end portion of the first connecting portion 21, the other end of the elastic connecting portion 23 is connected with the end portion of the second connecting portion 22, the first connecting portion 21, the elastic connecting portion 23 and the second connecting portion 22 form a Z-shaped supporting spring 2, and a plurality of elastic connecting portions 23 are arranged on the same conical surface.
One end of the elastic extrusion sheet 4, which is close to the limiting sheet 5, is provided with a bending part 41 for buckling the inner wall surface of the outer ring of the bearing 3.
The limiting piece 5 comprises a limiting portion 51 and an adjusting portion 52, the limiting portion 51 and the adjusting portion 52 are mutually matched to form an L-shaped structure, a sliding groove 221 is formed in the second connecting portion 22 along the length direction, the adjusting portion 52 is slidably connected with the sliding groove 221, a row of adjusting teeth 521 are arranged on one side of the adjusting portion 52, tooth tips of the adjusting teeth 521 incline towards the direction of the limiting portion 51, a latch 6 is rotatably arranged at an opening of the sliding groove 221, and a torsion spring for driving the latch 6 to be close to the adjusting teeth 521 is arranged on the latch 6. The latch 6 is provided with a pressing portion 61 for driving the latch 6 away from the adjusting tooth 521.
The annular air bag 7 is embedded between the first connecting part 21 and the elastic connecting part 23, the cross section of the air bag 7 is triangular, cooling oil is filled in the air bag 7, and the top of the inner wall surface of the air bag 7 is provided with an oil injection hole 71 arranged towards the ball direction of the bearing 3. The air bag 7 is connected with the first connecting part 21 and the elastic connecting part 23 in an adhesive mode, and an oil supplementing port is formed in the air bag 7.
The installation process comprises the following steps:
before installing the bearing 3, the limiting piece 5 is detached from the sliding groove 221 of the second connecting part 22, then the bearing 3 is plugged into an installation space formed by surrounding each second connecting part 22 from one side of the bearing seat far away from the elastic extrusion piece 4, and the elastic connecting parts 23 are in a loose state before installing the bearing 3, and the diameter of the installation space is smaller than the outer diameter of the bearing 3, so that each elastic connecting part 23 needs to be compressed one by one, and the bearing 3 is embedded into the installation space; after the bearing 3 is installed in the installation space, the adjusting part 52 of each limiting piece 5 is inserted into the sliding groove 221, the bearing 3 is pushed towards the direction of the elastic extrusion piece 4 through the limiting part 51, and in order to prevent the installation position of the bearing 3 from being askew, the number of the adjusting teeth 521 clamped in the latch 6 on each limiting piece 5 is the same; after the limit plate 5 is installed, the air bag 7 is filled with cooling oil through the oil supplementing port.
Directions and references (e.g., up, down, left, right, etc.) in this invention may be used only to aid in the description of features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. A bearing housing with vibration damping means, characterized in that: including mounting bracket (1), be equipped with mounting hole (11) on mounting bracket (1), be equipped with a plurality of supporting springs (2) along circumference in mounting hole (11), supporting springs (2) are including first connecting portion (21) and second connecting portion (22), first connecting portion (21) and mounting hole (11) fixed connection, second connecting portion (22) support and locate on the outer wall of bearing (3) outer lane, be equipped with between first connecting portion (21) and second connecting portion (22) and be used for absorbing elastic connection portion (23) of bearing (3) radial vibration, one side that second connecting portion (22) are close to bearing (3) is equipped with the spacing subassembly of elasticity that is used for absorbing bearing (3) axial vibration, the spacing piece (5) of elasticity including locating bearing (3) one side and the elasticity extrusion piece (4) of locating bearing (3) opposite side, elasticity extrusion piece (4) are from second connecting portion (22) toward bearing (3) axis direction slope.
2. A bearing housing with vibration damping means as claimed in claim 1, wherein: elastic connection portion (23) adopts the shell fragment to make, elastic connection portion (23) one end and first connecting portion (21) end connection, elastic connection portion (23) other end and second connecting portion (22) end connection, a plurality of elastic connection portion (23) are located on the same conical surface.
3. A bearing housing with vibration damping means as claimed in claim 1, wherein: one end of the elastic extrusion sheet (4) close to the limiting sheet (5) is provided with a bending part (41) for buckling the inner wall surface of the outer ring of the bearing (3).
4. A bearing housing with vibration damping means as claimed in claim 3, wherein: spacing piece (5) are including spacing portion (51) and adjustment portion (52), spacing portion (51) and adjustment portion (52) mutually support and form L shape structure, second connecting portion (22) are equipped with spout (221) along length direction, adjustment portion (52) and spout (221) sliding connection, adjustment portion (52) one side is equipped with one row of regulation tooth (521), regulation tooth (521) prong is inclined towards spacing portion (51) direction, spout (221) opening part is equipped with rotates and is provided with latch (6), be equipped with the drive on latch (6) are close to the torsional spring of regulation tooth (521).
5. A bearing housing with vibration damping means as claimed in claim 4, wherein: the latch (6) is provided with a pressing part (61) for driving the latch (6) to be far away from the adjusting tooth (521).
6. A bearing housing with vibration damping means as claimed in claim 1, wherein: annular air bag (7) are embedded between first connecting portion (21) and elastic connection portion (23), air bag (7) cross-section is triangle-shaped, be full of cooling oil in air bag (7), air bag (7) internal face top is equipped with nozzle opening (71) that set up towards bearing (3) ball direction.
7. A housing having a vibration dampening device as defined in claim 6, wherein: the air bag (7) is connected with the first connecting part (21) and the elastic connecting part (23) in an adhesive mode, and an oil supplementing port is formed in the air bag (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311607282.7A CN117432718A (en) | 2023-11-29 | 2023-11-29 | Bearing pedestal with vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311607282.7A CN117432718A (en) | 2023-11-29 | 2023-11-29 | Bearing pedestal with vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117432718A true CN117432718A (en) | 2024-01-23 |
Family
ID=89556686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311607282.7A Pending CN117432718A (en) | 2023-11-29 | 2023-11-29 | Bearing pedestal with vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117432718A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869704A (en) * | 2024-03-12 | 2024-04-12 | 山东职业学院 | Heating power pipeline installation protector |
| CN117869704B (en) * | 2024-03-12 | 2024-05-31 | 山东职业学院 | Heating power pipeline installation protector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509804A (en) * | 1983-05-27 | 1985-04-09 | General Motors Corporation | Bearing mount with squeeze film damping |
| US20080292234A1 (en) * | 2004-08-17 | 2008-11-27 | Kawasaki Jukogyo Kabushiki Kaisha | Bearing Vibration Damping Mechanism |
| CN102052641A (en) * | 2009-11-09 | 2011-05-11 | 海洋王照明科技股份有限公司 | Vibration damper and lamp employing vibration damper |
| CN204334202U (en) * | 2014-12-19 | 2015-05-13 | 苏州工业园区泰格电子科技有限公司 | A kind of New shock reducing connector |
| CN205605484U (en) * | 2016-04-12 | 2016-09-28 | 成都舒派博真空技术有限公司 | Vertical molecular pump upper bearing damping structure with dual damping function |
| CN109990003A (en) * | 2019-04-23 | 2019-07-09 | 重庆大学 | A kind of high-mechanic hydraulic lifting bearing block group |
| CN209848046U (en) * | 2019-03-25 | 2019-12-27 | 江苏鱼跃医疗设备股份有限公司 | Damping device and atomizer using same |
-
2023
- 2023-11-29 CN CN202311607282.7A patent/CN117432718A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509804A (en) * | 1983-05-27 | 1985-04-09 | General Motors Corporation | Bearing mount with squeeze film damping |
| US20080292234A1 (en) * | 2004-08-17 | 2008-11-27 | Kawasaki Jukogyo Kabushiki Kaisha | Bearing Vibration Damping Mechanism |
| CN102052641A (en) * | 2009-11-09 | 2011-05-11 | 海洋王照明科技股份有限公司 | Vibration damper and lamp employing vibration damper |
| CN204334202U (en) * | 2014-12-19 | 2015-05-13 | 苏州工业园区泰格电子科技有限公司 | A kind of New shock reducing connector |
| CN205605484U (en) * | 2016-04-12 | 2016-09-28 | 成都舒派博真空技术有限公司 | Vertical molecular pump upper bearing damping structure with dual damping function |
| CN209848046U (en) * | 2019-03-25 | 2019-12-27 | 江苏鱼跃医疗设备股份有限公司 | Damping device and atomizer using same |
| CN109990003A (en) * | 2019-04-23 | 2019-07-09 | 重庆大学 | A kind of high-mechanic hydraulic lifting bearing block group |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869704A (en) * | 2024-03-12 | 2024-04-12 | 山东职业学院 | Heating power pipeline installation protector |
| CN117869704B (en) * | 2024-03-12 | 2024-05-31 | 山东职业学院 | Heating power pipeline installation protector |
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