Bearing housing and pump

Abstract

The utility model relates to a bearing box and a pump. The bearing box comprises a shell, a rotating shaft, a fan and a cooling coil. Wherein an oil pool can be formed in the shell. The rotating shaft can be supported in the shell, and a bearing bush can be arranged on the periphery of the rotating shaft. The fan may be disposed outside the housing. The cooling coil can be arranged in the oil pool and can be connected with a cooling system outside the shell. The fan blows air to the shell to reduce the temperature of the shell, so that the temperature of lubricating oil in the oil pool can be indirectly reduced, the cooling coil is arranged in the oil pool and connected with an external cooling system, the oil temperature of the lubricating oil in the oil pool can be further reduced, and it is guaranteed that the bearing bush has a good lubricating effect. Lubricating oil does not need to be led into an external complex system to be cooled, in-situ cooling of the lubricating oil can be achieved by simply arranging the fan and the cooling coil connected with the external cooling system, the lubricating oil cannot leak in the cooling process, and the cooling system is simple.

Description

Technical Field

[0001] The present disclosure relates to the technical field of bearing housings, and more particularly, to a bearing housing and a pump. Background Art

[0002] A bearing housing is an important basic transmission device, and lubricating oil is contained therein. During the operation of the bearing housing, the oil temperature of the lubricating oil will rise, resulting in poor lubrication effect of the bearing bush.

[0003] In the related art, a water heat exchanger is installed on the bearing housing, and part of the lubricating oil in the bearing housing is conveyed through a pipeline to the water heat exchanger, and a part of the water at the outlet of the water pump is used as a cooling water source and conveyed to the heat exchanger, so that the cooling water exchanges heat with the lubricating oil at a higher temperature, and the lubricating oil is cooled and then conveyed back into the bearing housing through a pipeline. However, this method requires the setting of thermal control protection accessories such as liquid level gauges for water and oil, etc., and ensuring the tightness of the entire pipeline to avoid leakage of lubricating oil. Therefore, the system is relatively complex. Summary of the Utility Model

[0004] The purpose of the present disclosure is to provide a bearing housing and a pump to at least partially solve the problems existing in the related art.

[0005] To achieve the above purpose, the present disclosure provides a bearing housing, including:

[0006] A housing, internally forming an oil sump;

[0007] A rotating shaft, supported in the housing, and a bearing bush is arranged on the outer periphery of the rotating shaft;

[0008] A fan, arranged outside the housing; and

[0009] A cooling coil, arranged in the oil sump and connected to a cooling system outside the housing.

[0010] Optionally, the end of the rotating shaft extends out of the housing, and the fan is fixed to the end of the rotating shaft extending out of the housing.

[0011] Optionally, both ends of the rotating shaft extend out of the housing, the number of fans is two, and they are respectively fixed to both ends of the rotating shaft.

[0012] Optionally, one of the two fans is a first fan, and the other is a second fan. The bearing housing further includes a bearing, the bearing is sleeved on one end of the rotating shaft close to the first fan, and the power of the first fan is greater than that of the second fan.

[0013] Optionally, the bearing housing further includes a first cover covering the outside of the first fan, the first cover is provided with a plurality of air holes and is detachably connected to the housing.

[0014] Optionally, one end of the rotating shaft close to the second fan is coaxially connected to a driving member disposed outside the housing, the driving member is configured to drive the rotating shaft to rotate, the bearing housing further includes a second housing covering the outside of the second fan, and the second housing is detachably connected to the housing.

[0015] Optionally, the cooling coil is wound into multiple layers along the depth direction of the oil sump.

[0016] Optionally, the oil sump is located below the rotating shaft;

[0017] The bearing housing further includes an oil slinger sleeved on the outer periphery of the rotating shaft, the oil slinger is movably arranged relative to the outer periphery of the rotating shaft, and the rotating shaft drives the oil slinger to deflect, so that the oil slinger brings the oil in the oil sump into the gap between the rotating shaft and the bearing bush.

[0018] Optionally, the housing includes a first housing and a second housing, the first housing and the second housing are detachably connected, and the oil sump is formed in a cavity surrounded by the first housing and the second housing.

[0019] According to a second aspect of the embodiments of the present disclosure, there is provided a pump, including a driving member and the bearing housing according to any one of the above embodiments, and a driving shaft of the driving member is coaxially connected to a rotating shaft of the bearing housing.

[0020] The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

[0021] The fan blows air to the housing to reduce the temperature of the housing, thereby indirectly reducing the temperature of the lubricating oil in the oil sump. The cooling coil is arranged in the oil sump and connected to an external cooling system, so as to further reduce the temperature of the lubricating oil in the oil sump and ensure good lubrication effect of the bearing bush. There is no need to lead the lubricating oil out to a complex external system for cooling. By simply arranging a fan and a cooling coil connected to an external cooling system, on-site cooling of the lubricating oil can be achieved, so that the lubricating oil will not leak during the cooling process, and the cooling system is relatively simple.

[0022] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation part. Description of the Drawings

[0023] The drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and are used to explain the present disclosure together with the following specific implementation manners, but do not constitute a limitation to the present disclosure. In the drawings:

[0024] Figure 1It is a schematic diagram of a pump shown according to an exemplary embodiment of the present disclosure.

[0025] Description of Reference Numerals

[0026] 10. Driving member; 100. Housing; 110. Oil sump; 120. First housing; 130. Second housing; 200. Fan; 210. First fan; 211. First cover; 220. Second fan; 300. Cooling coil; 400. Rotating shaft; 410. Gap; 420. Bearing; 500. Journal bearing; 510. Installation cavity; 600. Oil slinger. Detailed Embodiments

[0027] The following describes in detail the specific embodiments of the present disclosure with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for explaining and illustrating the present disclosure, and are not used to limit the present disclosure.

[0028] In the present disclosure, unless otherwise stated, the orientation terms such as "upper, lower, left, right, top" are defined for facilitating the description of the drawing direction according to the corresponding drawings, and "inner, outer" are defined according to the contour of the corresponding components themselves. The terms such as "first, second" used in the present disclosure are for distinguishing one element from another, and do not have sequence and importance. In addition, when the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0029] Please refer to Figure 1 , an embodiment of the present disclosure provides a bearing housing, including a housing 100, a rotating shaft 400, a fan 200 and a cooling coil 300. Among them, an oil sump 110 can be formed inside the housing 100, and lubricating oil is contained in the oil sump 110. The rotating shaft 400 can be supported inside the housing 100, that is, both ends of the rotating shaft 400 can be rotatably connected to the opposite side walls of the housing 100. A journal bearing 500 can be arranged on the outer periphery of the rotating shaft 400. The journal bearing 500 is a prior art and will not be elaborated here. The fan 200 can be arranged outside the housing 100. The fan 200 blows air to the housing 100 to reduce the temperature of the housing 100, thereby indirectly reducing the temperature of the lubricating oil in the oil sump 110. The cooling coil 300 can be arranged in the oil sump 110 and can be connected to a cooling system outside the housing 100, thereby further reducing the oil temperature of the lubricating oil in the oil sump 110 and ensuring that the journal bearing 500 has a good lubrication effect. There is no need to lead the lubricating oil out to a complex external system for cooling. By simply arranging the fan 200 and the cooling coil 300 connected to the external cooling system, local cooling of the lubricating oil can be achieved, so that the lubricating oil will not leak during the cooling process, and the cooling system is relatively simple and has high reliability.

[0030] In one embodiment, please refer toFigure 1 The end of the rotating shaft 400 can extend out of the housing 100, and the fan 200 can be fixed to the end of the rotating shaft 400 that extends out of the housing 100. That is, during the rotation of the rotating shaft 400, it can drive the fan 200 to rotate. The fan 200 does not require direct electrical energy to drive the rotation, which is relatively energy-saving and reduces the cooling cost. The fan 200 can be fixed to the left end or the right end of the rotating shaft 400, and no specific limitation is made here.

[0031] Of course, in other embodiments, the fan 200 can be rotatably connected to the housing 100, and the fan 200 can be directly driven by electrical energy to rotate relative to the housing 100. The fan 200 can be provided with multiple gears, so that the fan 200 can output different wind speeds and air volumes. The user can select the gear of the fan 200 according to the oil temperature of the lubricating oil to ensure that the lubricating oil can be cooled to the normal state relatively quickly. The number of fans 200 can be multiple, and multiple fans 200 can be installed on the housing at intervals, which improves the cooling speed of the housing 100 and thus improves the cooling speed of the lubricating oil.

[0032] In one embodiment, please refer to Figure 1 Both ends of the rotating shaft 400 can extend out of the housing 100. The number of fans 200 can be two, and they can be respectively fixed to the left and right ends of the rotating shaft 400. By providing two fans 200, the cooling speed of the housing 100 can be improved, and thus the cooling speed of the lubricating oil can be improved.

[0033] Further, for the convenience of description, one of the two fans 200 can be called the first fan 210, and the other can be called the second fan 220. The bearing housing can further include a bearing 420. The bearing 420 can be sleeved on one end of the rotating shaft 400 close to the first fan 210. The power of the first fan 210 can be greater than the power of the second fan 220.

[0034] It can be understood that in combination with Figure 1 , the first fan 210 and the bearing 420 are both installed on the left side of the rotating shaft 400, and the second fan 220 is installed on the right side of the rotating shaft 400. Since the bearing 420 is located on the left side of the rotating shaft 400, the heat generated on the left side of the rotating shaft 400 is greater than the heat generated on its right side. Make the blade length of the first fan 210 greater than the blade length of the second fan 220, so that the output power of the first fan 210 can be greater than the output power of the second fan 220, ensuring that more wind can be obtained on the left side of the rotating shaft 400 and ensuring the cooling effect on this side.

[0035] Of course, in other embodiments, the bearing 420 can be installed on the right side of the rotating shaft 400. At this time, the power of the second fan 220 can be greater than the power of the first fan 210 to ensure the cooling effect of the bearing 420.

[0036] In one embodiment, please refer to Figure 1 , the bearing housing may further include a first housing 211 covering the outside of the first fan 210. The first housing 211 may be provided with a plurality of air holes and may be detachably connected to the housing 100, facilitating the user to open the first housing 211 to repair the first fan 210 inside. By providing the first housing 211, the first fan 210 can be prevented from hurting the user and the personal safety of the user can be guaranteed. The rotating shaft 400 drives the first fan 210 to rotate, so that the air can be blown out through the air holes to the housing 100.

[0037] In one embodiment, please refer to Figure 1 , one end of the rotating shaft 400 close to the second fan 220 may be coaxially connected to a driving member 10 provided outside the housing 100, that is, the right side of the rotating shaft 400 is connected to the driving member 10. The driving member 10 can be used to drive the rotating shaft 400 to rotate. The bearing housing may further include a second housing covering the outside of the second fan 220. The second housing may be detachably connected to the housing 100, facilitating the user to open the second housing to repair the second fan 220 inside. By providing the second housing, the second fan 220 can be prevented from hurting the user and the personal safety of the user can be guaranteed.

[0038] Furthermore, a coupling (not shown in the figure) may be installed between the driving member 10 and the bearing housing. The coupling may be located on the right side of the second fan 220. The rotating shaft 400 may be coaxially connected to the rotating shaft of the driving member 10 through the coupling. The second housing may cover the coupling and the second fan 220, that is, the left side of the second housing is detachably connected to the housing 100, and there is a gap between the right side of the second housing and the outer periphery of the coupling to avoid interfering with the rotation of the coupling. Since the size of the second fan 220 is smaller than that of the first fan 210 and the second fan 220 is close to the coupling, the second fan 220 and the coupling can share a housing.

[0039] In one embodiment, please refer to Figure 1 , the cooling coil 300 may be wound into multiple layers along the depth direction of the oil sump 110. The coiled arrangement of the cooling coil 300 can increase its contact area with the lubricating oil and extend the time of the cooling medium in the oil sump 110, ensuring the cooling effect of the lubricating oil. The number of winding layers of the cooling coil 300 can be selected according to the cooling requirement of the lubricating oil, and no specific limitation is made here.

[0040] In one embodiment, please refer to Figure 1, the oil sump 110 can be located below the rotating shaft 400. The bearing housing can further include an oil slinger 600 sleeved on the outer periphery of the rotating shaft 400. The oil slinger 600 can be movably arranged relative to the outer periphery of the rotating shaft 400. The rotating shaft 400 can drive the oil slinger 600 to deflect, so that the oil slinger 600 can bring the oil in the oil sump 110 into the gap 410 between the rotating shaft 400 and the bearing bush 500. The lubricating oil can form an oil film in the gap 410 to prevent the bearing bush 500 and the rotating shaft 400 from directly contacting each other, thereby avoiding the wear of both and ensuring the service life of the bearing bush 500 and the rotating shaft 400. As the rotating shaft 400 continuously rotates, the oil slinger 600 can continuously bring new lubricating oil into the gap 410. Part of the old lubricating oil in the gap 410 can be extruded out of the gap 410 and back into the oil sump 110 to take out the heat in the gap 410. The old lubricating oil can be cooled in the oil sump 110. By the self-circulation of the lubricating oil, the temperature in the gap 410 can be ensured to be excellent, thereby ensuring the safe, reliable and economical operation of the equipment. The new lubricating oil refers to the lubricating oil that has been cooled, and the old lubricating oil refers to the lubricating oil that has absorbed the heat in the gap 410. The lubrication of the bearing bush 500 can be realized without equipping a complex oil station. The lubrication system is relatively simple and easy to operate.

[0041] It can be understood that the oil slinger 600 is sleeved on the outer periphery of the rotating shaft 400. Under the action of gravity, part of the inner wall of the oil slinger 600 can abut against the top of the rotating shaft 400. An installation cavity 510 communicating with the gap 410 is arranged in the bearing bush 500. The lower part of the installation cavity 510 is in an open state. The upper part of the oil slinger 600 is arranged in the installation cavity 510. The lower part of the oil slinger 600 can extend out of the bearing bush 500 through the opening. When the rotating shaft 400 rotates, a tangential force will be given to the inner wall of the oil slinger 600 in contact with it. The oil slinger 600 deflects under the combined action of gravity and the tangential force. The lower part of the oil slinger 600 can contact the lubricating oil. Therefore, the oil slinger 600 can drive the lubricating oil into the installation cavity 510 during the deflection process. The lubricating oil flows into the gap 410 through the installation cavity 510, preventing the bearing bush 500 and the rotating shaft 400 from directly contacting each other.

[0042] In one embodiment, please refer to Figure 1 , the housing 100 can include a first housing 120 and a second housing 130. The first housing 120 and the second housing 130 are detachably connected, which is convenient for the user to open the housing 100 to repair the components inside the housing 100. The oil sump 110 can be formed in the cavity enclosed by the first housing 120 and the second housing 130.

[0043] Please refer to Figure 1, according to the second aspect of the embodiments of the present disclosure, a pump is provided, which may include a driving member 10 and the bearing housing of any one of the above embodiments. The driving shaft of the driving member 10 may be coaxially connected to the rotating shaft 400 of the bearing housing. The driving member 10 may be an electric motor or an internal combustion engine, etc., and the pump may be a water pump or an oil pump, etc. The pump may have all the beneficial effects of the above bearing housing, which will not be elaborated here.

[0044] The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0045] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, without conflict, they can be combined in any suitable manner. To avoid unnecessary repetition, the present disclosure will not separately describe various possible combination methods.

[0046] Furthermore, any combination can be made among various different embodiments of the present disclosure, as long as it does not violate the idea of the present disclosure, and it should also be regarded as the content disclosed by the present disclosure.

Claims

1. A bearing housing, characterized in that, Comprising: A housing with an oil sump formed inside; A rotating shaft supported inside the housing, with a bearing bush arranged on the outer periphery of the rotating shaft; A fan provided outside the housing; and A cooling coil disposed in the oil sump and connected to a cooling system outside the housing.

2. The bearing housing according to claim 1, characterized in that, The end of the rotating shaft extends out of the housing, and the fan is fixed to the end of the rotating shaft that extends out of the housing.

3. The bearing housing according to claim 2, wherein, Both ends of the rotating shaft extend out of the housing, and the number of fans is two, which are respectively fixed to both ends of the rotating shaft.

4. The bearing housing according to claim 3, wherein, One of the two fans is a first fan, and the other is a second fan. The bearing box further includes a bearing sleeved on one end of the rotating shaft close to the first fan, and the power of the first fan is greater than that of the second fan.

5. The bearing housing according to claim 4, characterized in that, The bearing box further includes a first cover body covering the outside of the first fan. The first cover body is provided with a plurality of air holes and is detachably connected to the housing.

6. The bearing housing according to claim 4, characterized in that One end of the rotating shaft close to the second fan is coaxially connected to a driving member arranged outside the housing. The driving member is used to drive the rotating shaft to rotate. The bearing box further includes a second cover body covering the outside of the second fan. The second cover body is detachably connected to the housing.

7. The bearing housing according to claim 1, characterized in that, The cooling coil is wound into multiple layers along the depth direction of the oil sump.

8. The bearing housing according to claim 1, characterized in that, The oil sump is located below the rotating shaft; The bearing box further includes an oil slinger sleeved on the outer periphery of the rotating shaft. The oil slinger is movably arranged relative to the outer periphery of the rotating shaft. The rotating shaft drives the oil slinger to deflect, so that the oil slinger brings the oil in the oil sump into the gap between the rotating shaft and the bearing bush.

9. The bearing housing according to claim 1, characterized in that, The housing includes a first shell and a second shell. The first shell and the second shell are detachably connected, and the oil sump is formed in the cavity enclosed by the first shell and the second shell.

10. A pump, characterized in that, Comprising a driving member and the bearing box according to any one of claims 1-9, wherein the driving shaft of the driving member is coaxially connected to the rotating shaft of the bearing box.

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