CN210218437U - Self-lubricating device for fan bearing seat - Google Patents
Self-lubricating device for fan bearing seat Download PDFInfo
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- CN210218437U CN210218437U CN201920945101.4U CN201920945101U CN210218437U CN 210218437 U CN210218437 U CN 210218437U CN 201920945101 U CN201920945101 U CN 201920945101U CN 210218437 U CN210218437 U CN 210218437U
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Abstract
The utility model discloses a fan bearing seat self-lubricating device, which comprises a bearing seat and a hydraulic motor, wherein a bearing cavity is arranged in the bearing seat, the bottom end surface of an end cover of the hydraulic motor is connected with the bearing cavity, the side wall of the top of the bearing cavity is provided with an oil discharging port, a first oil seal and a second oil seal are arranged in the bearing cavity, a lubricating oil cavity is arranged between the first oil seal and the second oil seal, a connecting shaft is arranged in the bearing seat, the connecting shaft passes through the bearing seat and is connected with an impeller, one side of the bearing seat is fixedly provided with an oil cup, the bottom of the oil cup is provided with an oil inlet pipeline communicated with the oil inlet cavity, the self-lubricating device can lubricate the bearing seat by hydraulic oil leaked from the hydraulic motor, thereby avoiding adding lubricating oil on the bearing, simultaneously automatically replenishing lubricating oil to the oil inlet cavity by, thereby prolonging the service life of the bearing seat of the fan.
Description
Technical Field
The utility model relates to a bearing frame technical field, concretely relates to fan bearing frame self-lubricating device.
Background
The large-scale air handling unit all uses the fan at the during operation, and in current fan bearing frame, in order to prolong the life of bearing, reduce the revealing of lubricating oil and the pollution to the bearing of dust, increase the oil blanket sealed bearing outside the bearing, the lip sword of sealing washer can have certain friction to the transmission shaft.
During the factory assembly process of the fan bearing seat, lubricating oil is usually coated on an oil seal lip in the bearing seat, and the fan bearing seat is not maintained any more in the use process. In order to prolong the service life of the bearing, lubricating oil is smeared on the bearing, the lubricating oil is melted by high temperature generated during the operation of the machine to cause leakage, and a sealing ring is generally arranged on the outer side of the bearing to reduce the leakage of the lubricating oil and the damage of the bearing caused by dust attached to the outer side of the bearing. Meanwhile, liquid lubricating oil is added into the sealed gear box at one time, and when the machine works, a part of the liquid lubricating oil splashes to participate in the lubrication of the lip edge of the oil seal, so that the abrasion of the shaft to the oil seal is reduced. Lubricating oil has partly evaporation after the temperature risees, perhaps does not operate for a long time machine, and oil blanket lip sword is dry and astringent, and lubricating oil can not in time participate in the lubrication, can play wearing and tearing with higher speed to oil blanket lip sword, and the oil blanket lip sword of wearing and tearing can have certain friction to transmission shaft in the bearing frame, arouses the wearing and tearing of coupling department easily for the damage of fan bearing frame shortens life. Therefore, the field urgently needs a self-lubricating device to improve the lubrication of the fan bearing seat, so that the sealing performance of the fan bearing seat is improved, and the service life of the fan bearing seat is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan bearing frame self-lubricating arrangement can automatic supplementary lubricating oil, lubricates the bearing, reduces the axle to seal bearing's wearing and tearing, avoids direct friction between them, also can lubricate the oil blanket simultaneously to improve the leakproofness of fan bearing frame, thereby prolong the life of fan bearing frame.
In order to achieve the above object, the utility model provides a following technical scheme:
a fan bearing seat self-lubricating device comprises a bearing seat and a hydraulic motor fixedly arranged at the top of the bearing seat, wherein the hydraulic motor is provided with a working cavity, an output shaft is arranged in the working cavity, an end cover is arranged at the bottom of the working cavity, a bearing cavity is arranged in the bearing seat, a fan is fixedly connected at the bottom of the bearing seat, an impeller is arranged in the fan, the end surface of the bottom of the end cover is connected with the bearing cavity, the output shaft extends out of the end cover and extends to the bearing cavity, an oil discharging opening is arranged on the side wall of the top of the bearing cavity, a first oil seal and a second oil seal are fixedly arranged in the bearing cavity from top to bottom, a lubricating oil cavity is arranged between the first oil seal and the second oil seal, a first bearing is arranged on the upper surface of the first oil seal, a connecting shaft penetrating through the first, one end of the connecting shaft is fixedly connected with the output shaft, the other end of the connecting shaft penetrates through the bottom of the bearing seat to be connected with the impeller, an oil cup used for storing lubricating oil is fixedly arranged on one side of the bearing seat, and an oil inlet pipeline communicated with the lubricating oil cavity is arranged at the bottom of the oil cup.
As an improvement, the hydraulic motor is further provided with an oil inlet and an oil return port, a transmission gear meshed with each other is arranged in the working cavity, one end of the output shaft is rotatably connected with the transmission gear, and the other end of the output shaft is fixedly connected with the connecting shaft through a transmission key.
As an improvement, a second bearing is arranged on the end cover, and the outer wall surface of the output shaft is rotatably connected with the inner wall surface of the second bearing.
Further, first oil blanket and second oil blanket are the skeleton oil blanket, and this skeleton oil blanket is lip form.
Furthermore, a hole check ring is fixedly arranged between the bearing top outer ring and the bearing seat, and a shaft check ring is fixedly arranged between the bearing top inner ring and the connecting shaft.
Furthermore, the oil cup is made of transparent materials, scale marks are arranged on the side wall of the oil cup, and an oil filling opening is formed in the top of the oil cup.
Furthermore, the side wall of the bearing seat is provided with a threaded hole, and the oil cup is connected with the threaded hole in a threaded mode.
Further, the oil inlet pipeline comprises a straight pipeline and an inclined pipeline, the straight pipeline is arranged in the bearing seat and communicated with the threaded hole, one end of the inclined pipeline is communicated with the straight pipeline, and the other end of the inclined pipeline is communicated with the lubricating oil cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the hydraulic motor is rotatory under the drive of hydraulic oil, and rotatory in-process, the drive gear drive output shaft in the working chamber rotates, because the gear produces the resistance at the rotation in-process, the oil of working intracavity can flow into the bearing cavity through the gap between second bearing and the output shaft, lubricates first bearing, and hydraulic oil can lubricate first oil blanket through first bearing gap simultaneously. Therefore, lubricating oil is not required to be added on the first bearing, the first bearing is guaranteed to be lubricated, the first oil seal at the bottom of the first bearing is lubricated, and abrasion of the connecting shaft to the first oil seal and the second oil seal is reduced.
2. Through setting up the oil cup at the bearing frame lateral wall to set up the oil inlet pipe way with the lubricating oil cavity intercommunication bottom the oil cup, can make the automatic lubricating oil that stores in the oil cup flow into the lubricating oil intracavity between first oil blanket and the second oil blanket through oil inlet pipe way, simultaneously to first oil blanket, the fitting surface of second oil blanket and connecting axle is lubricated, the friction of connecting axle to first oil blanket and second oil blanket has been reduced, the life of first oil blanket and second oil blanket is prolonged, thereby improve first oil blanket, the sealed effect of second oil blanket to the bearing.
3. Through setting up transparent material's oil cup, when first oil blanket wearing and tearing, the hydraulic oil of first bearing side can flow in the oil cup automatically under the pressure effect, the oil cup liquid level risees, can be used for the suggestion to change first oil blanket, prevent that first bearing is sealed not tight, and lead to the oil to leak, when second oil blanket wearing and tearing, drive impeller pivoted in-process at the connecting axle, the air can enter into the lubricating oil intracavity through second oil blanket clearance, thereby can produce the phenomenon of bubbling in the oil cup, can be used for the suggestion second oil blanket to change, thereby prevent because of the second oil blanket is damaged, increase the friction of connecting axle to first oil blanket, also avoid because of the damage of second oil blanket, lead to the untight problem of first bearing seal.
Drawings
Fig. 1 is a structural axial view of a self-lubricating device of a bearing seat of a fan disclosed by the present invention;
fig. 2 is a front view of the self-lubricating device of the fan bearing seat disclosed by the present invention;
fig. 3 is a structural rear view of the fan bearing seat self-lubricating device disclosed by the present invention;
FIG. 4 is a structural isometric view of a conventional hydraulic motor;
fig. 5 is a front view of a structure of a conventional hydraulic motor.
In the figure: 1-hydraulic motor, 2-bearing seat, 3-working cavity, 31-end cover, 32-second bearing, 4-output shaft, 5-bearing cavity, 51-oil discharge port, 6-first oil seal, 7-second oil seal, 8-lubricating oil cavity, 9-first bearing, 10-connecting shaft, 101-oil inlet, 102-oil return port, 103-transmission gear, 104-motor oil discharge port, 11-fan, 12-oil cup, 121-oil inlet, 122-scale mark, 13-oil inlet pipeline, 131-straight pipeline, 132-inclined pipeline, 14-hole retainer ring, 15-shaft retainer ring, 16-threaded hole and 17-impeller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to the attached drawings 1, 2 and 3, the embodiment of the utility model discloses a fan bearing seat self-lubricating device, which comprises a bearing seat 2 and a hydraulic motor 1 fixedly arranged at the top of the bearing seat, wherein the hydraulic motor 1 is provided with a working chamber 3, an output shaft 4 is arranged in the working chamber 3, an end cover 31 is arranged at the bottom of the working chamber 3, a bearing chamber 5 is arranged in the bearing seat 2, a fan 11 is fixedly connected at the bottom end of the bearing seat 2, an impeller 17 is arranged in the fan 11, the bottom end surface of the end cover 31 is connected with the bearing chamber 5, the output shaft 4 extends out of the bottom of the end cover 31 and extends to the bearing chamber 5, an oil discharging port 51 is arranged on the side wall at the top of the bearing chamber 5, a first oil seal 6 and a second oil seal 7 are fixedly arranged on the bearing chamber 5 from top to bottom, a lubricating oil chamber, lubricating oil chamber 8 sets up to 2mm-4mm clearance, first oil blanket 6 upper surface is provided with first bearing 9, the bearing frame 2 center is provided with the connecting axle 10 that runs through first bearing 9, first oil blanket 6 and second oil blanket 7, the one end of connecting axle 10 with output shaft 4 rotates and is connected, the other end of connecting axle 10 passes bearing frame 2 bottom and is connected with impeller 17, the fixed oil cup 12 that is used for saving lubricating oil that is provided with in bearing frame 2 one side, oil cup 12 bottom be equipped with oil inlet pipe 13 of lubricating oil chamber 8 intercommunication. Under this kind of structural configuration, hydraulic motor 1 is under the drive of the hydraulic oil in working chamber 3, and the hydraulic oil in working chamber 3 can flow into bearing cavity 5 through output shaft 4 gap, lubricates first bearing 9, and hydraulic oil can lubricate first oil blanket 6 through first bearing 9 gap simultaneously. Redundant hydraulic oil flows back to the oil tank through the oil discharge port 51, so that lubricating oil does not need to be added on the first bearing 9, lubrication of the first bearing 9 is guaranteed, meanwhile, the first oil seal 6 at the bottom of the first bearing 9 is lubricated, and abrasion of the connecting shaft on the first oil seal and the second oil seal is reduced. Through set up oil cup 12 at the 2 lateral walls of bearing frame, and set up the oil inlet pipe way 13 with the lubricating oil cavity 8 intercommunication in oil cup 12 bottom, can make the lubricating oil of storage in the oil cup 12 flow into the lubricating oil cavity 8 between first oil blanket 6 and the second oil blanket 7 through oil inlet pipe way 13 automatically, simultaneously to first oil blanket 6, the fitting surface of second oil blanket 7 and connecting axle 10 lubricates, the friction of connecting axle 10 to first oil blanket 6 and second oil blanket 7 has been reduced, the life of first oil blanket 6 and second oil blanket 7 is prolonged, thereby improve first oil blanket 6, the sealed effect of second oil blanket 7 to first bearing 9, finally realize the self-lubricating to the bearing frame.
As an improvement, the hydraulic motor 1 is provided with an oil inlet 101 and an oil return port 102, the working chamber 3 is provided with a transmission gear 103 engaged with each other, one end of the output shaft 4 is rotatably connected with the transmission gear 103, and the other end is fixedly connected with the connecting shaft 10 through a transmission key. The hydraulic oil pump is connected through the oil inlet 101, hydraulic oil can be injected into the working cavity 3, the hydraulic pressure of the hydraulic oil drives the transmission gear 103 to rotate, the hydraulic oil flows out through a gap of the transmission gear 103 and flows into the oil tank through the oil return port 102 to form a hydraulic oil driving loop, and the transmission gear 103 in the working cavity 3 is driven to rotate under the driving of the hydraulic oil, so that the output shaft 4 is driven to rotate, and torque is output to the connecting shaft 10.
It should be noted that, referring to fig. 4, the motor oil discharge port 104 of the conventional hydraulic motor 1 is disposed on the hydraulic motor 1 and connected to the oil tank through the oil pipe to collect the hydraulic oil leaked from the hydraulic motor 1, referring to fig. 1, as an improvement in the present invention, the oil discharge port 51 is disposed on the sidewall of the bearing cavity 5, so that the hydraulic motor 1 is communicated with the bearing cavity 5, the hydraulic oil leaked from the working cavity 3 can flow into the bearing cavity 5 through the gap of the output shaft 4 to lubricate the first bearing 9, and simultaneously the hydraulic oil can lubricate the first oil seal 6 through the gap of the first bearing 9, and the redundant hydraulic oil can flow back to the oil tank through the oil discharge port 51, so that no more lubricating oil needs to be added on the first bearing 9, lubrication of the first bearing 9 is ensured, and the first oil seal 6 at the bottom of the first bearing 9 is lubricated, the abrasion of the connecting shaft 10 to the first oil seal 6 and the second oil seal 7 is reduced, thereby realizing the automatic lubrication of the bearing seat 2.
In the above embodiments, the driving key is preferably a spline, and a flat key may be used.
As a modification, the end cap 31 is provided with a second bearing 32, and the output shaft 4 is rotatably connected in the second bearing 32. By providing the second bearing 32 on the end cap 31, the output shaft 4 can be better supported, thereby controlling the axial movement of the output shaft 4.
It should be noted that, referring to fig. 5, second bearing 32 bottom among the traditional hydraulic motor 1 all is provided with oil blanket 33 to guarantee that hydraulic motor 1 lets out the leakage quantity and reduces to minimum, and as the utility model discloses an improve, the utility model discloses only set up second bearing 32 and be used for bearing output shaft 4 on end cover 31, do not set up oil blanket 33, its purpose is guaranteed to have more hydraulic oil to flow into the bearing chamber 5 in the bearing frame 2 through the gap between second bearing 32 and the output shaft 4, realizes lubricating 9 to the first bearing in the bearing frame 2.
In the present embodiment, the first oil seal 6 and the second oil seal 7 are lip-shaped skeleton oil seals. The sealing material may be selected from fluororubber, acrylic rubber, silicone rubber, fluorosilicone rubber, hydrogenated nitrile rubber, polytetrafluoroethylene, etc. The lip-shaped oil seal has the characteristics of high installation precision, quick heat dissipation and heavy load, and can play a good role in sealing the first bearing 9.
In this embodiment, a hole retainer 14 is fixedly provided between the top outer ring of the first bearing 9 and the bearing housing 2, and a shaft retainer 15 is fixedly provided between the top inner ring of the first bearing 9 and the connecting shaft 10. By providing the hole retaining ring 14 and the shaft retaining ring 15, the first bearing 9 is fixed in the bearing housing 2, and the axial bearing force of the first bearing 9 can be enhanced.
Further, the oil cup 12 is made of a transparent material, the side wall of the oil cup 12 is provided with scale marks 122, and the top of the oil cup 12 is provided with an oil filling port 121. The oil cup 12 is provided with transparent material, and the liquid level in the oil cup 12 can be conveniently seen through the scale mark 122 on the side wall of the oil cup 12, in this embodiment, the oil cup can be made of acrylic material, and the oil filling port 121 is used for conveniently filling oil when the oil cup 12 is lack of oil.
Further, a threaded hole 16 is formed in the side wall of the bearing seat 2, and the oil cup 12 is connected with the threaded hole 16 in a threaded manner. The oil cup 12 is convenient to detach and replace on the bearing seat 2, the threaded hole 16 is arranged, and lubricating oil in the oil cup 12 can flow into the oil inlet pipeline 13 through the threaded hole 16 conveniently.
Further, the oil inlet pipe 13 includes a straight pipe 131 and an inclined pipe 132, the straight pipe 131 is disposed in the bearing housing 2 and is communicated with the threaded hole 16, one end of the inclined pipe 132 is communicated with the straight pipe 131, and the other end is communicated with the lubricating oil chamber 8. Through setting up straight pipeline 131 and oblique pipeline 132, make things convenient for the lubricating oil in the oil cup 12 to enter into lubricating oil chamber 8 through screw hole 16 in, lubricate the fitting surface of first oil blanket 6 and second oil blanket 7 and connecting axle 10, reduced the friction of connecting axle 10 to first oil blanket 6 and second oil blanket 7, the life of first oil blanket 6 of extension and second oil blanket 7 to improve the sealed effect of first oil blanket 6 and second oil blanket 7 to first bearing 9.
In this embodiment, through the oil cup 12 that sets up transparent material, when first oil blanket 6 weares and teares, hydraulic oil on the first bearing 9 can flow into oil cup 12 through the oil duct is automatic under the pressure effect, the liquid level of oil cup 12 risees, can be used for the suggestion to change first oil blanket 6, prevent that first bearing 9 is sealed not tight, and lead to the oil to leak, when second oil blanket 7 weares and teares, at connecting axle 10 drive impeller 17 pivoted in-process, the air can enter into lubricating oil chamber 8 through second oil blanket 7 clearance, thereby can produce the phenomenon of bubbling in oil cup 12, can be used for the suggestion second oil blanket 7 to change, thereby prevent because of second oil blanket 7 is damaged, the connecting axle increases 10 the friction to first oil blanket 6, also avoid because of the damage of second oil blanket 7, lead to the untight problem of first bearing 9 seal.
The working principle of the utility model comprises the following steps:
an output shaft 4 in the hydraulic motor 1 is fixedly connected with a connecting shaft 10 in the bearing seat 2 through a transmission key, and the hydraulic motor 1 is fixedly connected with the bearing seat 2 through a bolt; fixedly connecting the shell of the fan 11 with the bottom of the bearing seat 2, and fixedly connecting the connecting shaft 10 with the impeller 17; thereby mechanically driving and connecting the fan 11, the bearing seat 2 and the hydraulic motor 1; connecting the oil cup 12 filled with lubricating oil with the bearing seat 2 through the threaded hole 16; the hydraulic oil pump is connected through the oil inlet 101, the oil outlet 102 is connected with the oil tank, and the oil discharge port 51 on the side wall of the top of the bearing cavity 5 is connected with the oil tank through the oil pipe; starting a hydraulic oil pump to work, driving a transmission gear 103 in the hydraulic motor 1 to rotate through hydraulic pressure, thereby driving an output shaft 4 to rotate, driving a connecting shaft 10 in a bearing seat 2 to rotate through the output shaft 4, and finally driving an impeller 17 to rotate; in the working process of the hydraulic motor, hydraulic oil in the working cavity 3 flows into the bearing cavity 5 through a gap between the second bearing 32 and the output shaft 4 under the action of hydraulic pressure to lubricate the first bearing 9 and the first oil seal 6; in the working process of the bearing seat 2, lubricating oil in the oil cup 12 is injected into the lubricating oil cavity 8 in real time through the oil inlet pipeline 13, and meanwhile, matching surfaces of the first oil seal 6, the second oil seal 7 and the connecting shaft 10 are lubricated. When first oil blanket 6 wearing and tearing, the hydraulic oil of first bearing 9 lateral wall can flow into oil cup 12 automatically under the pressure effect, and oil cup 12 liquid level risees, can be used for the suggestion to change first oil blanket 6, prevents that first bearing 9 is sealed not tight, and leads to the oil to leak. When second oil blanket 7 wearing and tearing, drive impeller 17 pivoted in-process at connecting axle 10, the air can enter into lubricating oil chamber 8 through second oil blanket 7 clearance to can produce the phenomenon of bubbling in oil cup 12, can be used for indicateing second oil blanket 7 and change, thereby prevent because of second oil blanket 7 is damaged, increase the friction of connecting axle 10 to first oil blanket 6, also avoid because of the damage of second oil blanket 7, lead to the untight problem of first bearing 9 seal.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a fan bearing frame is from lubricating arrangement which characterized in that: the bearing comprises a bearing seat and a hydraulic motor fixedly arranged at the top of the bearing seat, wherein the hydraulic motor is provided with a working cavity, an output shaft is arranged in the working cavity, an end cover is arranged at the bottom of the working cavity, a bearing cavity is arranged in the bearing seat, a fan is fixedly connected at the bottom of the bearing seat, an impeller is arranged in the fan, the bottom end face of the end cover is connected with the bearing cavity, the output shaft extends out of the end cover and extends to the bearing cavity, an oil unloading opening is arranged on the side wall of the top of the bearing cavity, a first oil seal and a second oil seal are fixedly arranged in the bearing cavity from top to bottom, a lubricating oil cavity is arranged between the first oil seal and the second oil seal, a first bearing is arranged on the upper surface of the first oil seal, a connecting shaft penetrating through the first bearing, the first oil seal and the second oil seal, the other end of the connecting shaft penetrates through the bottom of the bearing seat to be connected with the impeller, an oil cup used for storing lubricating oil is fixedly arranged on one side of the bearing seat, and an oil inlet pipeline communicated with the lubricating oil cavity is arranged at the bottom of the oil cup.
2. The fan bearing seat self-lubricating device of claim 1, wherein: the hydraulic motor is further provided with an oil inlet and an oil return port, a transmission gear meshed with each other is arranged in the working cavity, one end of the output shaft is rotatably connected with the transmission gear, and the other end of the output shaft is fixedly connected with the connecting shaft through a transmission key.
3. The fan bearing seat self-lubricating device of claim 1, wherein: and a second bearing is arranged on the end cover, and the outer wall surface of the output shaft is rotationally connected with the inner wall surface of the second bearing.
4. The fan bearing seat self-lubricating device of claim 1, wherein: the first oil seal and the second oil seal are framework oil seals, and the framework oil seals are lip-shaped.
5. The fan bearing seat self-lubricating device of claim 1, wherein: a hole check ring is fixedly arranged between the bearing top outer ring and the bearing seat, and a shaft check ring is fixedly arranged between the bearing top inner ring and the connecting shaft.
6. The fan bearing seat self-lubricating device of claim 1, wherein: the oil cup is made of transparent materials, scale marks are arranged on the side wall of the oil cup, and an oil filling port is formed in the top of the oil cup.
7. The fan bearing seat self-lubricating device of claim 1, wherein: the side wall of the bearing seat is provided with a threaded hole, and the oil cup is connected with the threaded hole in a threaded mode.
8. The fan bearing seat self-lubricating device of claim 1, wherein: the oil inlet pipeline comprises a straight pipeline and an inclined pipeline, the straight pipeline is arranged in the bearing seat and communicated with the threaded hole, one end of the inclined pipeline is communicated with the straight pipeline, and the other end of the inclined pipeline is communicated with the lubricating oil cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945101.4U CN210218437U (en) | 2019-06-22 | 2019-06-22 | Self-lubricating device for fan bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945101.4U CN210218437U (en) | 2019-06-22 | 2019-06-22 | Self-lubricating device for fan bearing seat |
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| Publication Number | Publication Date |
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| CN210218437U true CN210218437U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920945101.4U Active CN210218437U (en) | 2019-06-22 | 2019-06-22 | Self-lubricating device for fan bearing seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145547A (en) * | 2019-06-22 | 2019-08-20 | 烟台海德专用汽车有限公司 | A kind of bearing fan self-lubricating device and lubricating method |
-
2019
- 2019-06-22 CN CN201920945101.4U patent/CN210218437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145547A (en) * | 2019-06-22 | 2019-08-20 | 烟台海德专用汽车有限公司 | A kind of bearing fan self-lubricating device and lubricating method |
| CN110145547B (en) * | 2019-06-22 | 2024-08-13 | 山东浩睿智能科技有限公司 | Self-lubricating device and method for fan bearing seat |
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