CN210141276U - Vibration exciter and vibrating screen without oil leakage - Google Patents
Vibration exciter and vibrating screen without oil leakage Download PDFInfo
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- CN210141276U CN210141276U CN201920835805.6U CN201920835805U CN210141276U CN 210141276 U CN210141276 U CN 210141276U CN 201920835805 U CN201920835805 U CN 201920835805U CN 210141276 U CN210141276 U CN 210141276U
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- oil
- bearing
- vibration exciter
- lubricating oil
- bearing seat
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Abstract
The utility model discloses a vibration exciter and shale shaker of no oil leakage, this vibration exciter includes: a bearing assembly including a bearing member and a bearing housing; the main shaft assembly is arranged in the bearing piece and the bearing seat in a penetrating way; the bearing seat is provided with an oil storage groove for containing lubricating oil, and when the bearing seat is used, the liquid level of the lubricating oil in the oil storage groove is lower than the connecting part of the bearing piece and the bearing seat; the vibrating screen comprises the oil-tight vibration exciter. The utility model discloses a vibration exciter and shale shaker of no oil leakage through being equipped with on the bearing frame and depositing the oil groove, deposit lubricating oil and deposit the oil inslot to through the lubricating oil liquid level height that makes in depositing the oil groove, be less than the junction of bearing frame and bearing spare, so then avoided the possibility that lubricating oil spills from the junction of bearing frame and bearing spare or the junction of bearing spare and main shaft assembly, thereby realize the oil-tight of vibration exciter, but also saved the quantity of lubricating oil greatly.
Description
Technical Field
The utility model relates to a mining vibrating equipment technical field especially relates to a vibration exciter and shale shaker of not leaking oil.
Background
The vibrating screen is indispensable material grading equipment in various industries such as metallurgy, coal, mine, sandstone and the like; the vibrating screen box is driven by centrifugal force generated by high-speed rotation of an eccentric block on a vibration exciter to vibrate on a set track. The high-speed rotation of the vibration exciter can not be separated from good bearing lubrication, and the good lubrication is the guarantee of the normal work of the bearing.
At present, the lubricating mode of the vibrating screen is generally a grease lubricating mode utilizing labyrinth seal or oil seal, and the lubricating oil is mainly pumped into a bearing space and a sealing space of a vibration exciter in the process of assembling the vibration exciter of the vibrating screen or after the vibrating screen runs for a period of time. In the actual work of the vibrating screen, a gap exists between the labyrinth rings, the lubricating oil cannot be completely sealed in a sealing mode, the lubricating oil in the vibration exciter is continuously thrown out of the labyrinth rings, the lubrication of the bearing is gradually weakened, if the oil is slightly supplemented, the bearing of the vibration exciter is finally subjected to high temperature and short service life due to oil shortage, and the lubricating oil is seriously wasted due to the fact that more lubricating oil is discharged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vibration exciter that does not leak oil, this vibration exciter can avoid lubricating oil to spill.
In order to realize the purpose, the technical scheme of the utility model is that:
an oil-tight vibration exciter comprising: a bearing assembly including a bearing member and a bearing housing; the main shaft assembly is arranged in the bearing piece and the bearing seat in a penetrating way; the bearing seat is provided with an oil storage groove for containing lubricating oil, and when the bearing seat is used, the liquid level of the lubricating oil in the oil storage groove is lower than the joint of the bearing piece and the bearing seat.
The utility model discloses a vibration exciter of no oil leakage through being equipped with on the bearing frame and depositing the oil groove, deposit lubricating oil with in depositing the oil groove to through making the lubricating oil liquid level height of depositing in the oil groove, be less than the junction of bearing frame and bearing spare, so then avoided the possibility that lubricating oil spills from the junction of bearing frame and bearing spare or the junction of bearing spare and main shaft assembly, thereby realize the oil leakage of vibration exciter, but also saved the quantity of lubricating oil greatly.
Specifically, the opening parts at two ends of the bearing seat are provided with dustproof sealing rings.
Preferably, the bearing seat is further provided with an oil filling port, and the oil filling port is communicated with the oil storage groove.
Preferably, the exciter further comprises a sealing cover for sealing the oil filling opening.
The oil-tight vibration exciter of the utility model has the advantages that the joint of the bearing seat and the bearing piece or the joint of the bearing piece and the main shaft assembly can not leak oil, so that the dustproof sealing rings are only needed to be arranged at the openings at the two ends of the bearing seat to prevent dust from entering; and the bearing seat is also provided with an oil filling port communicated with the oil storage groove, lubricating oil is filled from the oil filling port during the lubricating oil filling process, and the oil filling port is sealed by the sealing cover during the working process. Because the utility model discloses a vibration exciter only need adopt static sealed mode, compares in prior art need adopt dynamic seal, its sealed defective rate greatly reduced.
Preferably, the bearing assembly comprises at least two bearing pieces, a gap is formed between every two adjacent bearing pieces, and the gap corresponds to the oil storage groove to form an oil throwing cavity.
The utility model discloses a vibration exciter forms one between its bearing frame, bearing spare and the main shaft assembly and gets rid of the oil pocket, and the lubricating oil in the oil storage groove is got rid of the back and through getting rid of the oil pocket, can splash to the higher position of bearing spare on, makes lubricated effect better.
Preferably, the exciter further comprises an oil thrower which is connected with the spindle assembly and rotates with the spindle assembly, and is used for throwing the lubricating oil in the oil storage tank upwards onto the bearing piece.
Specifically, the oil thrower comprises an oil thrower body connected to the main shaft assembly, at least one oil stirring block is formed by extending the oil thrower body along the radial direction, and the oil stirring block extends into the oil storage tank and is lower than the liquid level height of lubricating oil in the oil storage tank.
Preferably, a plurality of notches are cut on the oil poking block to form a plurality of oil poking teeth.
The utility model discloses a vibration exciter, through setting up the disc, utilize main shaft assembly to drive the disc rotation, make the lubricating oil of dialling on the disc oil piece will depositing in the oil groove upwards get rid of the bearing spare on, make to have normal lubrication between bearing spare and the main shaft assembly.
Further, still be equipped with on dialling the oil piece and dial the oil tooth, dial and can hold certain lubricating oil between the oil tooth, hold the lubricating oil of dialling between the oil tooth, can upwards get rid of when the take the altitude dialling the oil piece, just throw out along the parabola and break away from the oil throwing disk to the lubricating oil that makes this part gets rid of highly higher, the lubricated effect of bearing spare is better.
Another object of the present invention is to provide a vibrating screen, which includes the above-mentioned oil-tight vibration exciter.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an oil-tight vibration exciter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the oil-tight vibration exciter according to the embodiment of the present invention when the oil-tight vibration exciter is filled with lubricating oil;
fig. 3 is a schematic structural view of an oil thrower of an oil-tight vibration exciter according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first main shaft of an oil-tight vibration exciter according to an embodiment of the present invention;
fig. 5 is a schematic view of an overall structure of the oil-tight vibration exciter according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a vibrating screen according to an embodiment of the present invention.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
At present, a lubricating structure of a vibration exciter is generally that a fuel tank cover is arranged on a bearing assembly, and an oil cavity for containing lubricating oil is formed between the mail tank cover and a bearing seat and between the mail tank cover and the bearing assembly; in practical use, the liquid level of lubricating oil in the oil cavity needs to be higher than the joint of the bearing seat and the bearing piece, even higher than the joint of the main shaft assembly and the bearing piece, otherwise, no lubrication or only a small amount of lubrication exists between the main shaft assembly and the bearing piece; therefore, the connection between the oil tank cap and the spindle assembly or the bearing seat requires a complicated sealing method, typically a grease lubrication method using a labyrinth seal or an oil seal. However, in the actual work of the vibrating screen, a gap exists between the labyrinth rings, the sealing mode cannot completely seal lubricating oil, so that the lubricating oil in the vibration exciter is continuously thrown out, the lubrication of the bearing is gradually weakened, if the oil is slightly supplemented, the bearing of the vibration exciter is finally heated due to oil shortage, the service life of the bearing is rapidly shortened, and the lubricating oil is seriously wasted due to the discharge of more lubricating oil.
In order to solve the above problems, the present embodiment provides the following oil-tight vibration exciter.
As shown in fig. 1, an exciter without oil leakage comprises: a bearing assembly 20 including a bearing member 21 and a bearing housing 22; a main shaft assembly 10 inserted into the bearing member 21 and the bearing housing 22; the bearing seat 22 is provided with an oil storage groove 223 for containing lubricating oil, and when the bearing seat is used, the liquid level of the lubricating oil in the oil storage groove 223 is lower than the joint of the bearing piece 21 and the bearing seat 22.
The utility model discloses a vibration exciter of no oil leakage through being equipped with on the bearing frame and depositing the oil groove, deposit lubricating oil with in depositing the oil groove to through making the lubricating oil liquid level height of depositing in the oil groove, be less than the junction of bearing frame and bearing spare, so then avoided the possibility that lubricating oil spills from the junction of bearing frame and bearing spare or the junction of bearing spare and main shaft assembly, thereby realize the oil leakage of vibration exciter, but also saved the quantity of lubricating oil greatly.
Specifically, as shown in fig. 1, the bearing seat 22 is provided with dust-proof sealing rings 23 at openings at both ends.
Preferably, an oil filling port is further formed on the bearing seat 22, and the oil filling port is communicated with the oil storage groove 223.
Preferably, the exciter further comprises a sealing cover 40 for sealing said oil filling opening.
The oil-tight vibration exciter of the utility model has the advantages that the joint of the bearing seat and the bearing piece or the joint of the bearing piece and the main shaft assembly can not leak oil, so that the dustproof sealing rings are only needed to be arranged at the openings at the two ends of the bearing seat to prevent dust from entering; and the bearing seat is also provided with an oil filling port communicated with the oil storage groove, lubricating oil is filled from the oil filling port during the lubricating oil filling process, and the oil filling port is sealed by the sealing cover during the working process. Because the utility model discloses a vibration exciter only need adopt static sealed mode, compares in prior art need adopt dynamic seal, its sealed defective rate greatly reduced.
Specifically, as shown in fig. 1 and 2, the upper end of the bearing seat 22 is provided with a first oil filling port 221, the lower end of the bearing seat 22 is provided with a second oil filling port 222, the first oil filling port 221 is communicated with the oil storage groove 223 from top to bottom, and the second oil filling port 222 is communicated with the oil storage groove 223 from bottom to top.
The utility model discloses a vibration exciter that does not leak oil, its bearing frame upper end and lower extreme are provided with first oiling mouth and second oiling mouth respectively, and first, two oiling mouths communicate the oil storage groove from upper and lower both ends respectively, then open first oiling mouth, seal the second oiling mouth, can add lubricating oil to the oil storage groove; and open the second oiling mouth and can empty the lubricating oil in the oil storage groove, make things convenient for the filling and the clearance of lubricating oil.
Preferably, as shown in fig. 1 and 2, the bearing assembly 20 includes at least two bearing members 21, and a gap is formed between two adjacent bearing members 21, and the gap corresponds to the oil storage groove 223 to form an oil dump chamber 50.
The utility model discloses a vibration exciter is equipped with two at least bearing spare in its bearing frame, forms one between two adjacent bearing spare and gets rid of the oil pocket, makes the lubricating oil of depositing in the oil groove get rid of the back, can splash to the higher position of bearing spare through getting rid of the oil pocket on, makes lubricated effect better.
Preferably, as shown in fig. 1 and 2, the exciter further comprises an oil slinger 30 connected to the spindle assembly 10 and rotating with the spindle assembly 10 for slinging the lubricating oil in the oil storage groove 223 upwards onto the bearing member 21.
Specifically, as shown in fig. 3, the oil slinger 30 comprises an oil slinger main body 31 connected to the main shaft assembly 10, and at least one oil-stirring block 32 is formed on the oil slinger main body in a radial extending manner, wherein the oil-stirring block 32 extends into the oil storage tank 223 and is lower than the liquid level of the lubricating oil in the oil storage tank 223.
The utility model discloses a vibration exciter, through setting up the disc, utilize main shaft assembly to drive the disc rotation, make the lubricating oil of dialling on the disc oil piece will depositing in the oil groove upwards get rid of the bearing spare on, make to have normal lubrication between bearing spare and the main shaft assembly.
Preferably, as shown in fig. 3, the oil-extracting block 32 is cut with a plurality of notches to form a plurality of oil-extracting teeth 321.
The utility model discloses a vibration exciter through still being equipped with on dialling oily piece and dialling oily tooth, dials and can hold certain lubricating oil between the oily tooth, holds the lubricating oil of dialling between the oily tooth, can upwards get rid of the take off disc when dialling oily piece to make the lubricating oil of this part get rid of highly higher.
Specifically, as shown in fig. 4, the main shaft assembly 10 includes a first main shaft 11, and an oil slinger mounting portion 110 is provided on the first main shaft 11, and the oil slinger mounting portion 110 is used for positioning the oil slinger 30.
The oil slinger mounting portion 110 includes a first mounting portion 111 and a second mounting portion 112, both the first mounting portion 111 and the second mounting portion 112 being annular protrusions on the first main shaft 11.
Wherein, the diameter of the first installation part 111 is larger than that of the second installation part 112, and the oil thrower body 31 is sleeved on the second installation part 112; during the connection, the one end of first installation department 111 and one of them bearing part 21 fix oil slinger main part 31 in the oil slinger intracavity, and simultaneously, the other end of first installation department 111 also supports and leans on another bearing part 21, has both played the effect of location oil slinger, also plays the effect of location bearing part, prevents during operation, bearing part and oil slinger contact each other, wearing and tearing.
Specifically, the oil slinger main body 31 is keyed to the first main shaft 11.
It should be noted that, in the drawings, a schematic connection diagram in which the oil thrower is keyed to the first main shaft is not shown without affecting understanding.
Another object of the present invention is to provide a vibrating screen, as shown in figures 5 and 6, comprising said oil-tight exciter, comprising any one or more combinations of the above features.
Specifically, the vibrating screen includes at least two sets of vibration exciters, the first main shafts 11 corresponding to the two sets of vibration exciters are connected through the driver 12, the two ends of each first main shaft 11 are further provided with the weight 60, and the two sides of the bearing seat 2 are further provided with the protective covers 70.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (9)
1. An oil-tight vibration exciter, comprising:
a bearing assembly including a bearing member and a bearing housing;
the main shaft assembly is arranged in the bearing piece and the bearing seat in a penetrating way;
the bearing seat is provided with an oil storage groove for containing lubricating oil, and when the bearing seat is used, the liquid level of the lubricating oil in the oil storage groove is lower than the joint of the bearing piece and the bearing seat.
2. The vibration exciter of claim 1, wherein:
and dustproof sealing rings are arranged at openings at two ends of the bearing seat.
3. The vibration exciter of claim 1, wherein:
an oil filling port is further formed in the bearing seat and communicated with the oil storage groove.
4. The exciter of claim 3, further comprising:
and the sealing cover is used for sealing the oil filling opening.
5. The vibration exciter of claim 1, wherein:
the bearing assembly comprises at least two bearing pieces, a gap is formed between every two adjacent bearing pieces, and the gap corresponds to the oil storage groove to form an oil throwing cavity.
6. The vibration exciter of claim 1, further comprising:
and the oil thrower is connected with the main shaft assembly and rotates along with the main shaft assembly, and is used for throwing the lubricating oil in the oil storage tank upwards onto the bearing piece.
7. The vibration exciter of claim 6, wherein:
the oil thrower comprises an oil thrower body connected to the main shaft assembly, at least one oil poking block is formed by extending the oil thrower body along the radial direction, and the oil poking block extends into the oil storage tank and is lower than the liquid level height of lubricating oil in the oil storage tank.
8. The vibration exciter of claim 7, wherein:
the oil poking block is cut into a plurality of gaps to form a plurality of oil poking teeth.
9. A vibrating screen is characterized in that:
an oil-tight vibration exciter according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835805.6U CN210141276U (en) | 2019-06-03 | 2019-06-03 | Vibration exciter and vibrating screen without oil leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835805.6U CN210141276U (en) | 2019-06-03 | 2019-06-03 | Vibration exciter and vibrating screen without oil leakage |
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| Publication Number | Publication Date |
|---|---|
| CN210141276U true CN210141276U (en) | 2020-03-13 |
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| CN201920835805.6U Active CN210141276U (en) | 2019-06-03 | 2019-06-03 | Vibration exciter and vibrating screen without oil leakage |
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| CN (1) | CN210141276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107600A (en) * | 2019-06-03 | 2019-08-09 | 周绮华 | A kind of oil-proof vibration excitor and vibrating screen |
-
2019
- 2019-06-03 CN CN201920835805.6U patent/CN210141276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107600A (en) * | 2019-06-03 | 2019-08-09 | 周绮华 | A kind of oil-proof vibration excitor and vibrating screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200529 Address after: No.11, Lane 8, fengqili, shafeng, Baiyun District, Guangzhou, Guangdong, 510000 Patentee after: Zhou Qihua Address before: 511517 workshop 1, No.28, Jiahua Road, A2 District, Jiafu Industrial Zone, Yinzhan Industrial Park, Qingyuan high tech Zone, Guangdong Province Patentee before: Guangdong Huabao Mining Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right |