CN218863844U - Main bearing oil cleaning system and heading machine - Google Patents
Main bearing oil cleaning system and heading machine Download PDFInfo
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- CN218863844U CN218863844U CN202222487584.2U CN202222487584U CN218863844U CN 218863844 U CN218863844 U CN 218863844U CN 202222487584 U CN202222487584 U CN 202222487584U CN 218863844 U CN218863844 U CN 218863844U
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Abstract
The utility model relates to a heading machine main bearing technical field, concretely relates to base bearing fluid cleaning system and heading machine. The main bearing oil cleaning system comprises a main bearing, a lubricating oil pump and a lubricating oil tank, wherein the central line of the main bearing extends along the horizontal direction, the top of the main bearing is provided with a lubricating oil inlet hole, the bottom of the main bearing is provided with a lubricating oil return hole, and the lubricating oil pump is used for pumping oil at the lubricating oil return hole and/or oil in the lubricating oil tank into the main bearing through the lubricating oil inlet hole; the bottom of the main bearing is further provided with a cleaning oil inlet and a cleaning oil return hole, the main bearing oil liquid cleaning system further comprises a cleaning oil pump and a cleaning oil tank, the cleaning oil pump is used for pumping oil liquid in the cleaning oil tank into the main bearing through the cleaning oil inlet and enabling the oil liquid in the main bearing to flow back to the cleaning oil tank through the cleaning oil return hole. The utility model discloses on the lubricated basis of main bearing, realized the washing to the main bearing, avoided the main bearing to take place serious abrasive grain wearing and tearing and corrosion to improve the main bearing operational reliability.
Description
Technical Field
The utility model relates to a heading machine main bearing technical field, concretely relates to base bearing fluid cleaning system and heading machine.
Background
The main bearing is the key spare part of entry driving machine, and it need lubricate through lubricated fluid in the operation process to guarantee the normal operating of main bearing, as the lubricating system of a small-size shield structure main bearing that the chinese utility model patent that the grant bulletin number is CN201827626U discloses.
The existing main bearing is influenced by the severe external working environment during operation and easily enters impurities such as mud, sand and the like, and the impurities move along with lubricating oil and are deposited at the bottom of the main bearing. The main bearing is affected by impurities in the operation to cause the roller and the roller path to be worn, pitted and peeled off, and the impurities exist for a long time to cause serious corrosion to the roller and the roller path, so that the precision of the main bearing is reduced, and the main bearing fails in advance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a main bearing fluid cleaning system to solve the technical problem that the precision of the main bearing is reduced when the main bearing is influenced by impurities during operation in the prior art; an object of the utility model is to provide a heading machine still to solve above-mentioned problem.
In order to achieve the above object, the utility model discloses main bearing fluid cleaning system's technical scheme is:
the main bearing oil cleaning system comprises a main bearing, a lubricating oil pump and a lubricating oil tank, wherein the central line of the main bearing extends along the horizontal direction, the top of the main bearing is provided with a lubricating oil inlet, the bottom of the main bearing is provided with a lubricating oil return hole, and the lubricating oil pump is used for pumping oil at the lubricating oil return hole and/or oil in the lubricating oil tank into the main bearing through the lubricating oil inlet; the bottom of base bearing still is equipped with the washing inlet port and washs the oil gallery, and base bearing fluid cleaning system still includes the washing oil pump and washs the oil tank, and the washing oil pump is used for going into the base bearing and making the interior fluid of base bearing flow back to the washing oil tank through wasing the oil gallery through wasing the oil inlet pump with the fluid in the washing oil tank.
The beneficial effects are that: the main bearing oil cleaning system of the utility model utilizes the lubricating oil pump, the lubricating oil tank, the lubricating oil inlet hole and the lubricating oil return hole to lubricate the main bearing when working normally; when the oil pollution in the main bearing exceeds the standard, the main bearing is cleaned and maintained by cleaning the oil inlet hole, cleaning the oil return hole, cleaning the oil pump and cleaning the oil tank so as to avoid serious abrasive wear and corrosion of the main bearing, thereby improving the operational reliability of the main bearing, reducing the maintenance cost of the main bearing, and effectively ensuring the progress of the construction period.
As a further improvement, the lubricating oil return hole and the cleaning oil return hole are the same oil return hole, the lubricating oil tank and the cleaning oil tank are the same oil supply tank, the oil supply tank is located on the oil cleaning loop, the oil return hole is connected with a common oil return pipeline, and a filtering unit is arranged on the common oil return pipeline.
The beneficial effects are that: by the design, the machining for cleaning the oil return hole is avoided, and a main bearing oil cleaning system can be simplified.
As a further improvement, a monitoring unit for monitoring the cleanliness of oil is further arranged on the common oil return pipeline, and the monitoring unit is arranged between the oil return hole and the filtering unit.
The beneficial effects are that: by the design, whether the main bearing needs to be cleaned or not can be judged by observing data monitored by the monitoring unit, and useless work caused by untimely cleaning or unnecessary cleaning of impurities brought by periodic cleaning is avoided.
As a further improvement, an alarm is arranged on the monitoring unit.
The beneficial effects are that: design like this, can report to the police and remind the staff to wash the fluid in the main bearing when fluid pollutes when exceeding standard, guarantee main bearing safe and reliable operation.
As a further improvement, the lubricating oil return holes are provided with a plurality of lubricating oil return holes, and at least one lubricating oil return hole forms the cleaning oil inlet hole.
The beneficial effects are that: the lubricating oil return hole in the prior art is used as a cleaning oil inlet hole, the cleaning oil inlet hole does not need to be machined on the main bearing again, and the main bearing is prevented from being transformed.
In order to achieve the purpose, the utility model discloses entry driving machine's technical scheme is:
the heading machine comprises a main drive and a main bearing oil cleaning system, wherein the main bearing oil cleaning system comprises a main bearing, a lubricating oil pump and a lubricating oil tank, the central line of the main bearing extends along the horizontal direction, the top of the main bearing is provided with a lubricating oil inlet, the bottom of the main bearing is provided with a lubricating oil return hole, and the lubricating oil pump is used for pumping oil at the lubricating oil return hole and/or oil in the lubricating oil tank into the main bearing through the lubricating oil inlet; the bottom of base bearing still is equipped with the washing inlet port and washs the oil gallery, and base bearing fluid cleaning system still includes the washing oil pump and washs the oil tank, and the washing oil pump is used for going into the base bearing and making the interior fluid of base bearing flow back to the washing oil tank through wasing the oil gallery through wasing the oil inlet pump with the fluid in the washing oil tank.
The beneficial effects are that: the main bearing oil cleaning system of the utility model lubricates the main bearing by using the lubricating oil pump, the lubricating oil tank, the lubricating oil inlet hole and the lubricating oil return hole when in normal operation; when the fluid pollution in the base bearing exceeds standard, utilize and wash the inlet port, wash the oil gallery, wash the oil pump and wash the oil tank and wash the main bearing and maintain to avoid the main bearing to take place serious abrasive wear and corrosion, thereby improved main bearing operational reliability, reduced the main bearing and overhauld the maintenance cost, effectively guarantee the time limit for a project progress.
As a further improvement, the lubricating oil return hole and the cleaning oil return hole are the same oil return hole, the lubricating oil tank and the cleaning oil tank are the same oil supply tank, the oil supply tank is positioned on the oil cleaning loop, the oil return hole is connected with a shared oil return pipeline, and a filtering unit is arranged on the shared oil return pipeline.
The beneficial effects are that: by the design, the machining for cleaning the oil return hole is avoided, and a main bearing oil cleaning system can be simplified.
As a further improvement, a monitoring unit for monitoring the cleanliness of oil is further arranged on the common oil return pipeline, and the monitoring unit is arranged between the oil return hole and the filtering unit.
The beneficial effects are that: design like this, can judge whether need wash the main bearing through the data of observing the monitoring unit monitoring, avoid regularly washing the impurity that brings and wash untimely or need not the idle work that causes when wasing.
As a further improvement, an alarm is arranged on the monitoring unit.
The beneficial effects are that: design like this, can report to the police and remind the staff to wash the fluid in the main bearing when fluid pollutes when exceeding standard, guarantee main bearing safe and reliable operation.
As a further improvement, the lubricating oil return holes are provided with a plurality of lubricating oil return holes, and at least one lubricating oil return hole forms the cleaning oil inlet hole.
The beneficial effects are that: the lubricating oil return hole in the prior art is used as a cleaning oil inlet hole, the cleaning oil inlet hole does not need to be machined on the main bearing again, and the main bearing is prevented from being transformed.
Drawings
FIG. 1 is a schematic structural view of the main drive of the heading machine of the present invention;
fig. 2 is the structure schematic diagram of the main bearing oil cleaning system of the present invention.
In the figure: 11. a drive box; 12. a drive gear; 13. a main bearing; 14. the driving box is sealed externally; 15. a cutter flange; 16. the driving box is internally sealed; 17. lubricating an oil inlet hole; 18. an oil return hole; 19. cleaning an oil inlet; 20. a first valve; 21. a monitoring unit; 22. a lubricating oil pump; 23. a filtration unit; 24. a second valve; 25. an oil supply tank; 26. cleaning an oil pump; 27. a third valve; 28. sharing an oil return pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," 8230, "" etc. does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "front", "back", "upper", "lower", "left" and "right" are based on the orientation and positional relationship shown in the drawings and are only for convenience of description of the present invention, and do not indicate that the device or component referred to must have a specific orientation, and therefore, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses embodiment 1 of main bearing fluid cleaning system:
as shown in fig. 1, the main drive comprises a drive box 11 and a cutter head flange 15, a drive gear 12 is rotatably assembled on the drive box 11, the drive gear 12 is driven by a hydraulic motor, a gear ring is arranged on the cutter head flange 15, and the drive gear 12 is meshed with the gear ring. Wherein, the hydraulic motor drives the gear ring to rotate through the driving gear, so as to realize the rotation of the cutter head flange 15 relative to the driving box 11.
In this embodiment, a main bearing 13 is provided between the drive case 11 and the cutter head flange 15 to reduce the friction force of the rotation of the cutter head flange 15. In order to prevent impurities on the front side of the cutter head flange 15 from entering the main bearing 13, a drive box outer seal 14 and a drive box inner seal 16 are further arranged between the drive box 11 and the cutter head flange 15.
As shown in fig. 1 and fig. 2, the main bearing oil cleaning system includes a lubricating oil pump 22, an oil supply tank 25 and the main bearing 13, wherein a center line of the main bearing 13 extends along a horizontal direction, a lubricating oil inlet 17 is formed at the top of the main bearing 13, an oil return 18 is formed at the bottom of the main bearing 13, and the lubricating oil pump 22 is used for pumping oil at the oil return 18 into the main bearing 13 through the lubricating oil inlet 17 to form circulating lubrication on the main bearing 13; when the oil in the main bearing 13 is reduced, the second valve 24 may be opened to draw oil from the oil supply tank 25.
In this embodiment, the bottom of the main bearing 13 is further provided with a cleaning oil inlet 19, and the oil return hole 18 can be used as a lubricating oil return hole and a cleaning oil return hole; the main bearing oil cleaning system further comprises a cleaning oil pump 26, the oil supply tank 25 can be used as a lubricating oil tank and can be used as a cleaning oil tank, the cleaning oil pump 26 is used for pumping oil in the oil supply tank 25 into the main bearing through a cleaning oil inlet hole and enabling the oil in the main bearing 13 to flow into the oil supply tank 25 again through the oil return hole 18. Wherein the oil supply tank 25 is located on the oil cleaning circuit.
The return holes 18 are connected to a common return line 28, and the common return line 28 is a common return line for both the oil lubrication circuit and the oil cleaning circuit. A filter unit 23 is disposed on the common oil return line 28 to filter out impurities in the returned oil during oil cleaning, thereby ensuring the purity of the oil entering the oil supply tank 25.
In this embodiment, still be equipped with the monitoring unit 21 that is used for monitoring fluid cleanliness on the sharing oil return pipeline 28, monitoring unit 21 is in between oil gallery 18 and the filter unit 23, monitoring unit 21 can be when fluid lubrication circulation in real time or regularly monitor the cleanliness of fluid in the main bearing 13, be equipped with the alarm on monitoring unit 21 to in time remind the staff to wash the fluid in the main bearing 13 when fluid is contaminated by impurity, guarantee main bearing 13 safe and reliable operation.
In this embodiment, a plurality of lubricating oil inlets 17 and a plurality of lubricating oil return holes are provided, and a part of the lubricating oil return holes form the above-mentioned cleaning oil inlet 19, and another part of the lubricating oil return holes form a cleaning oil return hole (i.e., the oil return hole 18). By adopting the design, the lubricating oil return holes in the prior art are used as the cleaning oil inlet hole 19 and the cleaning oil return holes, and the cleaning oil inlet hole and the cleaning oil return holes do not need to be machined on the main bearing 13 again.
In the normal tunneling process, an oil-liquid circulation loop works, a first valve 20 is opened, a lubricating oil pump 22 works, and oil liquid in the main bearing 13 starts to be circularly lubricated; when the oil pollution exceeds the standard, the monitoring unit 21 gives an alarm through an alarm thereon. The oil cleaning loop starts to work, at the moment, the first valve 20 is closed, the lubricating oil pump 22 is stopped, the second valve 24 and the third valve 27 are opened, the cleaning oil pump 26 works, and the main bearing 13 rotates; the oil is fed from the cleaning oil inlet 19 at the bottom of the main bearing 13 to wash out the deposited impurities in the main bearing 13, the impurities are filtered by the filtering unit 23, and the clean oil flows into the oil supply tank 25.
The utility model discloses an increase fluid cleaning circuit to wash the maintenance to the base bearing, avoid the base bearing to take place serious abrasive wear and corrosion, thereby improved the base bearing operational reliability, reduced the base bearing and overhauld the maintenance cost, effectively guarantee the time limit for a project progress.
The utility model discloses embodiment 2 of main bearing fluid cleaning system:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the lubricating oil return hole and the cleaning oil return hole are the same oil return hole, the lubricating oil tank and the cleaning oil tank are the same oil supply tank, the oil return hole is connected with a common oil return pipeline, and a filter unit is arranged on the common oil return pipeline. In the embodiment, the oil lubricating loop and the oil cleaning loop are two independent loops, the lubricating oil return hole and the lubricating oil tank are only used for lubricating the main bearing, the cleaning oil return hole is machined on the main bearing again, and the cleaning oil tank is additionally arranged; at this time, the filter unit is disposed on the oil cleaning circuit.
The utility model discloses embodiment 3 of main bearing fluid cleaning system:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a monitoring unit for monitoring the cleanliness of the oil is further disposed on the common oil return line, and the monitoring unit is disposed between the oil return hole and the filter unit. In this embodiment, the main bearing is periodically cleaned by the oil cleaning circuit without the monitoring unit.
The utility model discloses embodiment 4 of main bearing fluid cleaning system:
the difference between the present embodiment and embodiment 1 is that in embodiment 1, an alarm is provided on the monitoring unit. In this embodiment, the monitoring unit is not provided with the alarm, but the parameters monitored by the monitoring unit are observed by human eyes to judge whether oil cleaning is needed.
The utility model discloses embodiment 5 of main bearing fluid cleaning system:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a plurality of lubrication oil return holes are provided, and a part of the lubrication oil return holes constitute the above-mentioned cleaning oil inlet hole, and another part of the lubrication oil return holes constitute the above-mentioned cleaning oil return hole. In this embodiment, the lubrication oil return holes all form cleaning oil return holes, and the cleaning oil inlet hole is processed on the main bearing again.
The utility model discloses embodiment of entry driving machine: the heading machine in this embodiment includes a main drive and a main bearing oil cleaning system, which has the same structure as the main bearing oil cleaning system described in any of embodiments 1 to 5 described above, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, the scope of the present invention is defined by the appended claims, and all the structural changes equivalent to the content of the description and the attached drawings should be included in the same way.
Claims (10)
1. The main bearing oil cleaning system is characterized by comprising a main bearing (13), a lubricating oil pump (22) and a lubricating oil tank, wherein the central line of the main bearing (13) extends along the horizontal direction, a lubricating oil inlet hole (17) is formed in the top of the main bearing (13), a lubricating oil return hole is formed in the bottom of the main bearing (13), and the lubricating oil pump (22) is used for pumping oil at the lubricating oil return hole and/or oil in the lubricating oil tank into the main bearing (13) through the lubricating oil inlet hole (17); the bottom of the main bearing (13) is further provided with a cleaning oil inlet hole (19) and a cleaning oil return hole, the main bearing oil liquid cleaning system further comprises a cleaning oil pump (26) and a cleaning oil tank, and the cleaning oil pump (26) is used for pumping oil liquid in the cleaning oil tank into the main bearing (13) through the cleaning oil inlet hole (19) and enabling the oil liquid in the main bearing (13) to flow back to the cleaning oil tank through the cleaning oil return hole.
2. The main bearing oil cleaning system according to claim 1, wherein the lubrication oil return hole and the cleaning oil return hole are the same oil return hole (18), the lubrication oil tank and the cleaning oil tank are the same oil supply tank (25), the oil supply tank (25) is located on the oil cleaning loop, the oil return holes (18) are connected with a common oil return line (28), and the common oil return line (28) is provided with a filter unit (23).
3. The main bearing oil cleaning system according to claim 2, wherein a monitoring unit (21) for monitoring the cleanliness of the oil is further provided on the common oil return line (28), the monitoring unit (21) being located between the oil return hole (18) and the filter unit (23).
4. A main bearing oil cleaning system according to claim 3, wherein an alarm is provided on the monitoring unit (21).
5. Main bearing oil cleaning system according to any of claims 1 to 4, wherein said lubrication oil gallery is provided in plurality, at least one lubrication oil gallery constituting said cleaning oil inlet (19).
6. The heading machine comprises a main drive and a main bearing oil cleaning system, and is characterized in that the main bearing oil cleaning system comprises a main bearing (13), a lubricating oil pump (22) and a lubricating oil tank, the central line of the main bearing (13) extends along the horizontal direction, the top of the main bearing (13) is provided with a lubricating oil inlet hole (17), the bottom of the main bearing (13) is provided with a lubricating oil return hole, and the lubricating oil pump (22) is used for pumping oil at the lubricating oil return hole and/or oil in the lubricating oil tank into the main bearing (13) through the lubricating oil inlet hole (17); the bottom of the main bearing (13) is also provided with a cleaning oil inlet hole (19) and a cleaning oil return hole, the main bearing oil liquid cleaning system further comprises a cleaning oil pump (26) and a cleaning oil tank, the cleaning oil pump (26) is used for pumping oil liquid in the cleaning oil tank into the main bearing (13) through the cleaning oil inlet hole (19) and enabling the oil liquid in the main bearing (13) to flow back to the cleaning oil tank through the cleaning oil return hole.
7. The heading machine according to claim 6, wherein the lubrication oil return hole and the cleaning oil return hole are the same oil return hole (18), the lubrication oil tank and the cleaning oil tank are the same oil supply tank (25), the oil supply tank (25) is located on the oil cleaning loop, the oil return hole (18) is connected with a common oil return line (28), and the common oil return line (28) is provided with a filter unit (23).
8. The heading machine according to claim 7, wherein a monitoring unit (21) for monitoring the cleanliness of the oil is further provided on the common oil return line (28), the monitoring unit (21) being located between the oil return hole (18) and the filter unit (23).
9. The heading machine according to claim 8, wherein an alarm is provided on the monitoring unit (21).
10. A heading machine according to any one of claims 6 to 9, wherein said oil return holes are provided in plurality, at least one oil return hole constituting said flushing oil inlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487584.2U CN218863844U (en) | 2022-09-20 | 2022-09-20 | Main bearing oil cleaning system and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487584.2U CN218863844U (en) | 2022-09-20 | 2022-09-20 | Main bearing oil cleaning system and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218863844U true CN218863844U (en) | 2023-04-14 |
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ID=87365805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222487584.2U Active CN218863844U (en) | 2022-09-20 | 2022-09-20 | Main bearing oil cleaning system and heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218863844U (en) |
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2022
- 2022-09-20 CN CN202222487584.2U patent/CN218863844U/en active Active
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