CN210802814U - Bearing seal detection device and dry granulator - Google Patents
Bearing seal detection device and dry granulator Download PDFInfo
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- CN210802814U CN210802814U CN201922066360.2U CN201922066360U CN210802814U CN 210802814 U CN210802814 U CN 210802814U CN 201922066360 U CN201922066360 U CN 201922066360U CN 210802814 U CN210802814 U CN 210802814U
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Abstract
The utility model relates to a bearing check out test set technical field especially relates to a bearing seals detection device and dry process granulator. The bearing seal detection device comprises a bearing mechanism, a sealing mechanism and a detection mechanism, wherein the bearing mechanism comprises a rotating shaft and a bearing seat, the sealing mechanism comprises two sealing rings and a spacer bush, a detection cavity is formed between the spacer bush and the rotating shaft and between the two sealing rings, the detection mechanism comprises a gas source interface, a spacer bush through hole, a gas source pipeline and a gas pressure sensor, the gas pressure sensor is arranged on the gas source pipeline, the gas source pipeline is communicated with the gas source interface, the gas source interface is communicated with the spacer bush through hole, and the spacer bush through hole is communicated with the detection cavity. Bearing seal detection device, can detect sealing mechanism's sealing performance to the operating personnel of being convenient for in time discovers the damaged condition of sealing washer, is convenient for in time change and maintain, thereby effectively protects the bearing.
Description
Technical Field
The utility model relates to a bearing check out test set technical field especially relates to a bearing seals detection device and dry process granulator.
Background
The dry granulator is a granulating device which can firstly press dry powder into plate-shaped objects and then crush the plate-shaped objects into particles with certain sizes. The stirring device and the feeding device of the dry-method granulator both comprise a rotating shaft, one end of the rotating shaft needs to stretch into the storage bin to operate, and the other end of the rotating shaft is supported and fixed outside the storage bin through a bearing and a bearing seat. In order to prevent dust in the storage bin from entering the bearing to influence the normal operation of the bearing, a bearing sealing structure is generally required to be arranged on the rotating shaft. However, prior art is difficult to detect bearing seal structure's sealing performance, and bearing seal structure is after the installation, if the condition of wearing and tearing appears, operating personnel is difficult to in time discover, causes the dust to get into the bearing, leads to the bearing to damage, influences the normal operating of granulator.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a bearing seal detection device and dry process granulator solve prior art and be difficult to carry out the problem that detects to bearing seal structure's sealing performance.
(II) technical scheme
In order to solve the technical problem, the utility model provides a bearing seal detection device, which comprises a bearing mechanism, a sealing mechanism and a detection mechanism, wherein the bearing mechanism comprises a rotating shaft and a bearing seat sleeved on the rotating shaft; the sealing mechanism comprises two sealing rings and a spacer bush, the two sealing rings and the spacer bush are both arranged between the bearing seat and the rotating shaft, the spacer bush is arranged between the two sealing rings, and a detection cavity is formed among the spacer bush, the rotating shaft and the two sealing rings; the detection mechanism comprises a gas source interface arranged on the bearing seat, a spacer sleeve through hole arranged on the spacer sleeve, a gas source pipeline and a gas pressure sensor, wherein the gas pressure sensor is arranged on the gas source pipeline, the gas source pipeline is communicated with the gas source interface, the gas source interface is communicated with the spacer sleeve through hole, and the spacer sleeve through hole is communicated with the detection cavity.
Further, the detection mechanism also comprises a PLC controller, and the PLC controller is connected with the gas pressure sensor.
Further, the detection mechanism further comprises an air source, and the air source is connected with the air source pipeline.
Furthermore, a control valve is arranged on the air source pipeline and connected with the PLC.
Further, the detection mechanism further comprises an alarm, and the alarm is connected with the PLC.
Specifically, the outer side wall of the spacer is in sealing contact with the inner side wall of the bearing seat.
Specifically, the outer side wall of the spacer bush is circumferentially provided with a groove, an air circulation cavity is formed between the groove and the inner side wall of the bearing seat, the air source interface is communicated with the air circulation cavity, and the air circulation cavity is communicated with the spacer bush through hole.
Specifically, the spacer sleeve through holes are formed in a plurality of numbers, and the spacer sleeve through holes are uniformly arranged on the spacer sleeve in an annular shape.
Specifically, the bearing mechanism further comprises a bearing, the bearing is arranged between the rotating shaft and the bearing seat, and the sealing mechanism is arranged at one end of the bearing.
In order to solve the technical problem, the utility model also provides a dry process granulator, including foretell bearing seal detection device.
(III) advantageous effects
The above technical scheme of the utility model has following advantage:
the utility model provides a bearing seals detection device, through set up two sealing washers between bearing frame and pivot, set up the spacer between two sealing washers, make the spacer, form between pivot and two sealing washers and detect the chamber, when detecting, carry compressed air through the air supply pipeline, compressed air passes through air source interface in proper order, the spacer through-hole gets into and detects the chamber, then detect the air pressure in the air supply pipeline through setting up the gas pressure sensor on the air supply pipeline, thereby confirm whether gas leakage in detection chamber, and then confirm whether there is the damage in sealing washer. Therefore, bearing seal detection device, can detect sealing mechanism's sealing performance to the operating personnel of being convenient for in time discovers the damaged condition of sealing washer, is convenient for in time change and maintain, thereby effectively protects the bearing. The utility model provides a dry granulator owing to adopt this bearing seal detection device, through the detection to sealing mechanism's sealing performance, can prevent effectively that the dust from getting into the bearing, and then ensures dry granulator's steady operation, improves the operational reliability of dry granulator.
Drawings
Fig. 1 is a schematic structural diagram of a bearing seal detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bearing mechanism and a sealing mechanism in the bearing seal detection apparatus according to the embodiment of the present invention;
fig. 3 is a sectional view taken along the line a-a in fig. 2 of the bearing seal detection apparatus according to the embodiment of the present invention.
In the figure: 1: a rotating shaft; 2: a bearing seat; 201: an air source interface; 3: a seal ring; 4: a spacer sleeve; 401: a spacer bush through hole; 402: a groove; 5: a detection chamber; 6: a gas source pipeline; 7: a gas pressure sensor; 8: a bearing; 9: a PLC controller; 10: an alarm; 11: a gas source; 12: a control valve; 13: an air circulation chamber; 14: a storage bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a bearing seal detection apparatus, which includes a bearing mechanism, a sealing mechanism installed on the bearing mechanism, and a detection mechanism connected to the sealing mechanism.
The bearing mechanism comprises a rotating shaft 1 and a bearing seat 2 sleeved on the rotating shaft 1, and a bearing 8 is arranged between the rotating shaft 1 and the bearing seat 2.
The sealing mechanism is arranged between the rotating shaft 1 and the bearing seat 2 and is positioned at one end of the bearing 8, so that the bearing 8 can be sealed through the sealing mechanism. The sealing mechanism comprises two sealing rings 3 and a spacer 4, wherein the two sealing rings 3 are arranged between the inner side wall of the bearing seat 2 and the outer side wall of the rotating shaft 1. In order to achieve the dustproof sealing effect of the sealing rings 3, the outer rings of the sealing rings 3 are in sealing contact with the inner side wall of the bearing seat 2, and the inner rings of the sealing rings 3 are in sealing contact with the outer side wall of the rotating shaft 1. Spacer 4 sets up between the inside wall of bearing frame 2 and the lateral wall of pivot 1 to spacer 4 is located between two sealing washer 3. The left side and the right side of the spacer 4 are respectively in sealing contact with the two sealing rings 3, and the inner ring of the spacer 4 is arranged in a gap with the outer side wall of the rotating shaft 1, so that a detection cavity 5 is formed among the spacer 4, the rotating shaft 1 and the two sealing rings 3.
The detection mechanism comprises an air source interface 201, a spacer bush through hole 401, an air source pipeline 6 and an air pressure sensor 7, wherein the air source interface 201 is arranged on the bearing seat 2, and the air source interface 201 radially penetrates through the side wall of the bearing seat 2. The spacer through-hole 401 is provided on the spacer 4, and the spacer through-hole 401 penetrates the sidewall of the spacer 4 in the radial direction. The gas pressure sensor 7 is arranged on the gas source pipeline 6, and the gas pressure in the gas source pipeline 6 can be detected through the gas pressure sensor 7. One end of the gas source pipeline 6 is communicated with the gas source interface 201, the gas source interface 201 is communicated with the spacer bush through hole 401, and the spacer bush through hole 401 is communicated with the detection cavity 5.
During detection, compressed air is conveyed through the air source pipeline 6 and enters the detection cavity 5 through the air source interface 201 and the spacer bush through hole 401 in sequence, so that the detection cavity 5 is filled with the compressed air. Then the air source pipeline 6 stops delivering the compressed air, and the air pressure in the air source pipeline 6 is detected through the air pressure sensor 7, so that whether the detection cavity 5 leaks air or not is determined, and whether the sealing ring 3 is damaged or not is further determined. If the sealing ring 3 is not damaged and the detection cavity 5 is good in sealing performance, the air pressure data detected by the air pressure sensor 7 in a period of time is unchanged. If the seal ring 3 is damaged and air leakage occurs in the detection chamber 5, the air pressure detected by the gas pressure sensor 7 gradually decreases over a period of time.
Therefore, bearing seal detection device, can detect sealing mechanism's sealing performance to the operating personnel of being convenient for in time discovers the damaged condition of sealing washer 3, is convenient for in time change and maintain, thereby effectively protects bearing 8.
In a further embodiment of the present invention, the detecting mechanism further comprises a PLC controller 9, and the PLC controller 9 is connected to the gas pressure sensor 7. That is, gas pressure sensor 7 can transmit the air pressure data that detect to PLC controller 9 in real time, can carry out the analysis to the air pressure data that detect in a period through PLC controller 9, confirms whether air pressure changes to judge and detect whether air leakage problem appears in chamber 5, and then confirm sealing mechanism's sealing performance.
In a further embodiment of the present invention, the detection mechanism further comprises an alarm 10, and the alarm 10 is connected to the PLC controller 9. When the PLC 9 judges that the air leakage exists in the detection cavity 5, an alarm control signal is sent to the alarm 10, so that the alarm 10 is controlled to give an alarm, the sealing performance of the sealing mechanism of an operator is prompted to be in a problem, and the operator can conveniently and timely handle and maintain.
In a further embodiment of the present invention, the detecting mechanism further comprises an air source 11, and the air source 11 is connected to the other end of the air source pipeline 6. Compressed air can be supplied to the air supply line 6 via an air supply 11.
Specifically, the gas source pipeline 6 is provided with a control valve 12, and the control valve 12 is connected with the PLC 9. The opening and closing control of the control valve 12 can be realized by the PLC controller 9, and the compressed air circulation state of the air source pipeline 6 is further controlled. Wherein, the gas pressure sensor 7 is arranged on the gas source pipeline 6 between the control valve 12 and the gas source interface 201.
When the detection is carried out, the control valve 12 is firstly opened, and compressed air is conveyed to the air source pipeline 6 through the air source 11, so that the detection cavity 5 is filled with the compressed air. Then closing the control valve 12, opening the gas pressure sensor 7 to detect the gas pressure, transmitting the gas pressure detection data in a period of time to the PLC 9 in real time, analyzing the gas pressure detection data through the PLC 9, judging whether air leakage exists in the detection cavity 5, and further determining the sealing performance of the sealing mechanism.
In a specific embodiment of the present invention, the outer sidewall of the spacer 4 is in sealing contact with the inner sidewall of the bearing seat 2. The spacer 4 is provided with a spacer through hole 401, and the spacer through hole 401 corresponds to and is communicated with the air source interface 201. That is, the compressed air directly enters the spacer through hole 401 after passing through the air source interface 201, and then enters the detection cavity 5 through the spacer through hole 401.
In another embodiment of the present invention, the outer sidewall of the spacer 4 is circumferentially provided with a circle of groove 402, an annular air flow cavity 13 is formed between the groove 402 and the inner sidewall of the bearing seat 2, wherein the air source interface 201 is communicated with the air flow cavity 13, and the air flow cavity 13 is communicated with the spacer through hole 401. That is, the compressed air firstly diffuses to the air circulation cavity 13 after passing through the air source interface 201, then enters the spacer through hole 401 through the air circulation cavity 13, and then enters the detection cavity 5 through the spacer through hole 401.
Specifically, in order to increase the diffusion and circulation speed of the compressed air from the air circulation chamber 13 into the detection chamber 5, a plurality of spacer through holes 401 are provided, and the plurality of spacer through holes 401 are uniformly arranged in a ring shape on the spacer 4. That is, after the compressed air enters the air circulation chamber 13, the compressed air can simultaneously enter the detection chamber 5 through the plurality of spacer through holes 401.
The embodiment of the utility model provides a dry process granulator is still provided, including the sealed detection device of bearing of above-mentioned embodiment.
As shown in fig. 1, the dry granulator further comprises a silo 14, the silo 14 being adapted to contain dry powdered material. The lateral wall of feed bin 14 is equipped with the feed bin through-hole that supplies pivot 1 to pass, and the one end of pivot 1 is passed the feed bin through-hole and is set up inside feed bin 14, and the other end of pivot 1 sets up in feed bin 14 outsidely. The bearing housing 2 and the bearing 8 are disposed outside the bin 14, and a sealing mechanism is disposed at a position between the bin 14 and the bearing 8 in order to prevent dust of the bin 14 from entering the bearing 8.
The rotating shaft 1 in this embodiment may be used in a stirring device of the dry granulator, and may also be used in a feeding device of the dry granulator. That is, the bearing seal detection apparatus of the above embodiment may be employed in the stirring apparatus of the dry granulator, or may be employed in the feeding apparatus of the dry granulator.
Because the utility model discloses dry granulator adopts the bearing seal detection device of above-mentioned embodiment, through the detection to sealing mechanism's sealing performance, can prevent effectively that the dust in feed bin 14 from getting into bearing 8, and then ensures dry granulator's steady operation, improves the operational reliability of dry granulator.
To sum up, the embodiment of the utility model provides a bearing seal detection device, can detect sealing mechanism's sealing performance to be convenient for operating personnel in time discover the damaged condition of sealing washer 3, be convenient for in time change and maintain, thereby effectively protect bearing 8.
The utility model provides a dry granulator owing to adopt this bearing seal detection device, through the detection to sealing mechanism's sealing performance, can prevent effectively that the dust from getting into bearing 8, and then ensures dry granulator's steady operation, improves dry granulator's operational reliability.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. 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.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a bearing seal detection device which characterized in that: the device comprises a bearing mechanism, a sealing mechanism and a detection mechanism, wherein the bearing mechanism comprises a rotating shaft and a bearing seat sleeved on the rotating shaft; the sealing mechanism comprises two sealing rings and a spacer bush, the two sealing rings and the spacer bush are both arranged between the bearing seat and the rotating shaft, the spacer bush is arranged between the two sealing rings, and a detection cavity is formed among the spacer bush, the rotating shaft and the two sealing rings; the detection mechanism comprises a gas source interface arranged on the bearing seat, a spacer sleeve through hole arranged on the spacer sleeve, a gas source pipeline and a gas pressure sensor, wherein the gas pressure sensor is arranged on the gas source pipeline, the gas source pipeline is communicated with the gas source interface, the gas source interface is communicated with the spacer sleeve through hole, and the spacer sleeve through hole is communicated with the detection cavity.
2. The bearing seal detection apparatus according to claim 1, wherein: the detection mechanism further comprises a PLC controller, and the PLC controller is connected with the gas pressure sensor.
3. The bearing seal detection apparatus according to claim 2, wherein: the detection mechanism further comprises an air source, and the air source is connected with the air source pipeline.
4. The bearing seal detection apparatus according to claim 3, wherein: and a control valve is arranged on the gas source pipeline and is connected with the PLC.
5. The bearing seal detection apparatus according to claim 2, wherein: the detection mechanism further comprises an alarm, and the alarm is connected with the PLC.
6. The bearing seal detection apparatus according to claim 1, wherein: the outer side wall of the spacer bush is in sealing contact with the inner side wall of the bearing seat.
7. The bearing seal detection apparatus according to claim 1, wherein: the outer side wall of the spacer sleeve is circumferentially provided with a groove, an air circulation cavity is formed between the groove and the inner side wall of the bearing seat, the air source interface is communicated with the air circulation cavity, and the air circulation cavity is communicated with the spacer sleeve through hole.
8. The bearing seal detection apparatus according to claim 7, wherein: the spacer bush through holes are arranged in a plurality of annular and evenly distributed on the spacer bush.
9. The bearing seal detection apparatus according to claim 1, wherein: the bearing mechanism further comprises a bearing, the bearing is arranged between the rotating shaft and the bearing seat, and the sealing mechanism is arranged at one end of the bearing.
10. A dry granulator is characterized in that: comprising a bearing seal detection apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066360.2U CN210802814U (en) | 2019-11-26 | 2019-11-26 | Bearing seal detection device and dry granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066360.2U CN210802814U (en) | 2019-11-26 | 2019-11-26 | Bearing seal detection device and dry granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802814U true CN210802814U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922066360.2U Active CN210802814U (en) | 2019-11-26 | 2019-11-26 | Bearing seal detection device and dry granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802814U (en) |
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2019
- 2019-11-26 CN CN201922066360.2U patent/CN210802814U/en active Active
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