Interlayer water-cooling oil tank device

Abstract

The utility model relates to the technical field of bearing oil tanks, in particular to an interlayer water-cooling oil tank device. Comprising an oil tank body, a bearing chamber for containing a bearing and an oil containing chamber for containing lubricating oil are formed in the oil tank body, an inner connecting plate is formed on the outer wall after the bearing chamber and the oil containing chamber are welded, an outer connecting plate is welded to the outer side of the inner connecting plate, and a cooling cavity is formed between the inner connecting plate and the outer connecting plate. Cooling water is introduced into the cooling chamber to achieve heat exchange between the oil containing chamber and the cooling chamber, heat generated by lubricating oil in the oil containing chamber due to work of the bearing is effectively taken away, the temperature of the lubricating oil is reduced, and the bearing runs in a proper temperature environment.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing oil tanks, in particular to a sandwich water-cooling oil tank device. Background Art

[0002] The oil tank for the bearings plays a crucial role in the blower's operating system. It stores and supplies lubricating oil to ensure proper lubrication and heat dissipation of the blower's bearings. Currently, air-cooled oil tanks are commonly used, relying solely on natural convection to remove heat generated within the tank. Due to the low thermal conductivity of air, its heat dissipation efficiency is significantly reduced. High oil temperatures accelerate oil degradation, impairing lubrication performance. Furthermore, heat generated by shaft rotation can easily cause malfunctions, impacting the stability and reliability of the blower's operation.

[0003] The existing air-cooled oil tank has shortcomings in heat dissipation efficiency and timely oil temperature control, and a new oil tank cooling solution is needed to improve it. Utility Model Content

[0004] In order to solve the problem of cooling the oil temperature in the oil tank, the utility model provides a sandwich water-cooled oil tank device.

[0005] The utility model provides a sandwich water-cooled oil tank device, including an oil tank body, wherein the oil tank body is formed with a bearing chamber for accommodating bearings and an oil containing chamber for accommodating lubricating oil, the bearing chamber and the oil containing chamber are welded to form an inner connecting plate on the outer wall, an outer connecting plate is welded to the outer side of the inner connecting plate, a cooling chamber is formed between the inner connecting plate and the outer connecting plate, and cooling water is introduced into the cooling chamber to realize heat exchange between the oil containing chamber and the cooling chamber.

[0006] Furthermore, the bearing chamber is cylindrical, and an opening for placing the bearing is formed on one side of the bearing chamber along the axial direction, and an axial hole for the shaft to pass through is formed on the other side.

[0007] Furthermore, a columnar connecting ring is welded at the opening of the bearing chamber, the axis of the connecting ring coincides with the axis of the bearing chamber, and a flange is formed at one end of the connecting ring away from the bearing chamber, and a mounting hole is provided on the flange.

[0008] Furthermore, a circular sealing ring is welded at the shaft hole of the bearing chamber, and the sealing ring is fixed by a reinforcing rib welded on the bearing chamber.

[0009] Furthermore, an oil overflow through hole penetrating the bearing chamber and the oil containing chamber is formed between the bearing chamber and the oil containing chamber. When the bearing is placed in the bearing chamber, a part of the bearing is placed in the oil containing chamber at the same time.

[0010] Furthermore, an oil filling pipe is provided on the inner connecting plate at one end of the bearing chamber, and an oil drain pipe is provided on the inner connecting plate at one end of the oil containing chamber.

[0011] Furthermore, a water injection pipe and a water outlet pipe are respectively provided on the outer connecting plate at one end of the bearing chamber, and a sewage discharge pipe is provided on the outer connecting plate at one end of the oil containing chamber.

[0012] Furthermore, the outer connecting plate is arranged around the outer periphery of the inner connecting plate, the inner contour of the outer connecting plate is conformal to the outer contour of the inner connecting plate, and the distance between the inner connecting plate and the outer connecting plate at one end of the bearing chamber is smaller than the distance between the inner connecting plate and the outer connecting plate at one end of the oil chamber.

[0013] Furthermore, the inner connecting plate is formed with a stripe-shaped protrusion on one side of the cooling chamber.

[0014] Furthermore, a transparent observation window is provided on the oil containing chamber.

[0015] In summary, the present invention has the following beneficial technical effects:

[0016] 1. The utility model proposes a sandwich water-cooled oil tank device, which is formed by welding the bearing chamber and the oil holding chamber to an inner connecting plate, and welding an outer connecting plate to the outside of the inner connecting plate to construct a cooling chamber. Cooling water is introduced into the cooling chamber to achieve heat exchange between the oil holding chamber and the cooling chamber. This structural design can effectively remove the heat generated by the lubricating oil in the oil holding chamber due to the operation of the bearing, reduce the temperature of the lubricating oil, and thereby improve the cooling effect of the bearing, so that the bearing can operate in a suitable temperature environment.

[0017] 2. This utility model proposes a sandwich water-cooled oil tank assembly that uses welding to combine the bearing chamber with the oil chamber, as well as the inner and outer connecting plates. This reduces the need for complex oil tank molds and enhances the device's flexibility and versatility. The sheet metal parts used for welding are readily available, reducing production costs and facilitating customized production and assembly based on different application scenarios and requirements.

[0018] 3. The utility model proposes a sandwich water-cooled oil tank device. The oil overflow hole between the bearing chamber and the oil storage chamber allows the bearing portion to be immersed in lubricating oil, ensuring good lubrication. The oil filling pipe and oil drain pipe on the inner connecting plate, and the water filling pipe, water outlet pipe, and sewage pipe on the outer connecting plate facilitate the injection, discharge, and maintenance of lubricating oil and cooling water, improving the convenience and maintainability of the device. The striped protrusions formed on the inner connecting plate on one side of the cooling chamber effectively increase the heat exchange area, promote the heat conduction efficiency between the cooling water in the cooling chamber and the lubricating oil in the oil storage chamber, and further enhance the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a sandwich water-cooled oil tank device according to an embodiment of the present utility model.

[0020] Figure 2 This is another structural schematic diagram of a sandwich water-cooled oil tank device according to an embodiment of the present utility model.

[0021] Figure 3 It is a side view of a sandwich water-cooled oil tank device according to an embodiment of the present utility model.

[0022] Figure 4 It is an AA sectional view of an embodiment of the present utility model.

[0023] Figure 5 This is an embodiment of the utility model Figure 4 A partial enlarged view of B.

[0024] Among them, 1. Oil tank body; 2. Bearing chamber; 3. Oil holding chamber; 4. Inner connecting plate; 5. Outer connecting plate; 6. Cooling chamber; 7. Opening; 8. Shaft hole; 9. Connecting ring; 10. Flange; 11. Mounting hole; 12. Sealing ring; 13. Reinforcement rib; 14. Oil overflow hole; 15. Oil drain pipe; 16. Water injection pipe; 17. Water outlet pipe; 18. Sewage pipe; 19. Oil injection pipe; 20. Lubricating oil; 21. Cooling water; 22. Observation window. DETAILED DESCRIPTION

[0025] The present invention will be described in further detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] Reference Figure 1 and Figure 4 , a sandwich water-cooled oil tank device of this embodiment includes an oil tank body 1, the oil tank body 1 is formed with a bearing chamber 2 for accommodating bearings and an oil chamber 3 for accommodating lubricating oil 20, the bearing chamber 2 and the oil chamber 3 are welded to form an inner connecting plate 4 on the outer wall, an outer connecting plate 5 is welded to the outer side of the inner connecting plate 4, a cooling chamber 6 is formed between the inner connecting plate 4 and the outer connecting plate 5, and cooling water 21 is introduced into the cooling chamber 6 to realize heat exchange between the oil chamber 3 and the cooling chamber 6.

[0028] Reference Figure 1 The bearing chamber 2 is cylindrical, and an opening 7 for placing the bearing is formed on one side of the bearing chamber 2 along the axial direction, and a shaft hole 8 for the shaft to pass through is formed on the other side.

[0029] Reference Figure 2 A columnar connecting ring 9 is welded at the opening 7 of the bearing chamber 2. The axis of the connecting ring 9 coincides with the axis of the bearing chamber 2. A flange 10 is formed at the end of the connecting ring 9 away from the bearing chamber 2, and a mounting hole 11 is provided on the flange 10.

[0030] Reference Figure 1A circular sealing ring 12 is welded at the shaft hole 8 of the bearing chamber 2 , and the sealing ring 12 is fixed by a reinforcing rib 13 welded on the bearing chamber 2 .

[0031] Reference Figure 2 An oil overflow hole is formed between the bearing chamber 2 and the oil chamber 3, which passes through the bearing chamber 2 and the oil chamber 3. When the bearing is placed in the bearing chamber 2, a part of the bearing is placed in the oil chamber 3 at the same time.

[0032] The cylindrical bearing chamber 2 is constructed from high-strength alloy steel sheet metal through a rolling process, ensuring sufficient strength and precision for its cylindrical wall. The connecting ring 9, located at the end away from the bearing chamber 2, features mounting holes 11, with diameters and positions determined based on actual installation requirements, used to secure the entire assembly to the corresponding equipment base.

[0033] The oil chamber 3 is constructed of a material compatible with the bearing chamber 2, ensuring a well-sealed structure after welding. The oil overflow hole 14 between the oil chamber 3 and the bearing chamber 2 is machined to have a moderate diameter and smooth inner wall, allowing lubricating oil 20 to enter the bearing chamber 2 through the oil overflow hole 14. When the bearing is placed in the bearing chamber 2, the oil overflow hole 14 allows a portion of the bearing to be immersed in the lubricating oil 20 in the oil chamber 3, thereby achieving adequate lubrication of the bearing.

[0034] Reference Figure 4 An oil filling pipe 19 is provided on the inner connecting plate 4 at one end of the bearing chamber 2, and an oil drain pipe 15 is provided on the inner connecting plate 4 at one end of the oil chamber 3.

[0035] A water injection pipe 16 and a water outlet pipe 17 are respectively provided on the outer connecting plate 5 at one end of the bearing chamber 2 , and a sewage discharge pipe 18 is provided on the outer connecting plate 5 at one end of the oil containing chamber 3 .

[0036] Reference Figure 5 The outer connecting plate 5 is arranged around the outer periphery of the inner connecting plate 4, and the inner contour of the outer connecting plate 5 is conformal to the outer contour of the inner connecting plate 4. The distance between the inner connecting plate 4 and the outer connecting plate 5 at one end of the bearing chamber 2 is smaller than the distance between the inner connecting plate 4 and the outer connecting plate 5 at one end of the oil chamber 3.

[0037] The outer connecting plate 5 is arranged around the outer periphery of the inner connecting plate 4, and the conformal structure of the two makes the spatial distribution of the cooling chamber 6 uniform, which is conducive to the uniform flow of cooling water 21. The distance between the inner connecting plate 4 and the outer connecting plate 5 at one end of the bearing chamber 2 is smaller than the distance between the inner connecting plate 4 and the outer connecting plate 5 at one end of the oil chamber 3. Figure 5As shown, d1 is smaller than d2. This design is based on the characteristic that heat generated in the bearing chamber is relatively concentrated. By reducing the volume of the cooling chamber 6 in this area, the flow rate of the cooling water 21 in this area is relatively accelerated, thereby enhancing the cooling effect on the bearing.

[0038] The inner connecting plate 4 is formed with a stripe-shaped protrusion on one side of the cooling chamber 6, which is not shown in the figure.

[0039] The striped protrusions formed on the inner connecting plate 4 on one side of the cooling chamber 6 are processed by a stamping process. These striped protrusions can destroy the laminar flow state of the water flow during the flow of the cooling water 21, causing it to form turbulent flow, thereby increasing the contact area and contact time between the cooling water 21 and the inner connecting plate 4, and improving the heat exchange efficiency.

[0040] The oil containing chamber 3 is provided with a transparent observation window 22 for observing the height of the oil filling.

[0041] During operation, lubricating oil 20 is injected into the oil chamber 3 through the oil filling pipe 19. When the liquid level of the lubricating oil 20 reaches a certain height, it will enter the bearing chamber 2 through the oil overflow hole to lubricate the bearing. As the bearing runs, the heat generated is transferred to the lubricating oil 20. The lubricating oil 20 with increased temperature exchanges heat with the cooling water 21 in the cooling chamber 6. The cooling water 21 enters the cooling chamber 6 from the water filling pipe 16, absorbs the heat of the lubricating oil 20 during the flow in the cooling chamber 6, and then flows out from the water outlet pipe 17 to form a circulating cooling system. The sewage pipe 18 is used to regularly discharge impurities or sediments that may be generated in the cooling chamber 6 to ensure the cleanliness and cooling effect of the cooling water 21.

[0042] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sandwich water-cooled oil tank device, characterized in that: The invention comprises an oil tank body (1), wherein the oil tank body (1) is formed with a bearing chamber (2) for accommodating a bearing and an oil chamber (3) for accommodating lubricating oil (20); the bearing chamber (2) and the oil chamber (3) are welded to form an inner connecting plate (4) on the outer wall; an outer connecting plate (5) is welded to the outer side of the inner connecting plate (4); a cooling chamber (6) is formed between the inner connecting plate (4) and the outer connecting plate (5); cooling water (21) is introduced into the cooling chamber (6) to realize heat exchange between the oil chamber (3) and the cooling chamber (6).

2. The interlayer water-cooled oil tank device according to claim 1, characterized in that: The bearing chamber (2) is cylindrical, and an opening (7) for placing the bearing is formed on one side of the bearing chamber (2) along the axial direction, and an axial hole (8) for the shaft to pass through is formed on the other side.

3. The interlayer water-cooled oil tank device according to claim 2, characterized in that: A columnar connecting ring (9) is welded to the opening (7) of the bearing chamber (2), the axis of the connecting ring (9) coincides with the axis of the bearing chamber (2), and a flange (10) is formed at one end of the connecting ring (9) away from the bearing chamber (2), and a mounting hole (11) is provided on the flange (10).

4. The interlayer water-cooled oil tank device according to claim 3, characterized in that: A circular sealing ring (12) is welded to the shaft hole (8) of the bearing chamber (2), and the sealing ring (12) is fixed by a reinforcing rib (13) welded to the bearing chamber (2).

5. The interlayer water-cooled oil tank device according to claim 4, characterized in that: An oil overflow through hole (14) is formed between the bearing chamber (2) and the oil containing chamber (3), penetrating the bearing chamber (2) and the oil containing chamber (3). When the bearing is placed in the bearing chamber (2), a portion of the bearing is placed in the oil containing chamber (3) at the same time.

6. The interlayer water-cooled oil tank device according to claim 5, characterized in that: An oil filling pipe (19) is provided on the inner connecting plate (4) at one end of the bearing chamber (2), and an oil drain pipe (15) is provided on the inner connecting plate (4) at one end of the oil containing chamber (3).

7. The interlayer water-cooled oil tank device according to claim 6, characterized in that: A water injection pipe (16) and a water outlet pipe (17) are respectively provided on the outer connecting plate (5) at one end of the bearing chamber (2), and a sewage discharge pipe (18) is provided on the outer connecting plate (5) at one end of the oil storage chamber (3).

8. The interlayer water-cooled oil tank device according to claim 7, characterized in that: The outer connecting plate (5) is arranged around the outer periphery of the inner connecting plate (4), the inner contour of the outer connecting plate (5) is conformal to the outer contour of the inner connecting plate (4), and the distance between the inner connecting plate (4) and the outer connecting plate (5) at one end of the bearing chamber (2) is smaller than the distance between the inner connecting plate (4) and the outer connecting plate (5) at one end of the oil chamber (3).

9. The interlayer water-cooled oil tank device according to claim 8, characterized in that: The inner connecting plate (4) is formed with a stripe-shaped protrusion on one side of the cooling chamber (6).

10. The interlayer water-cooled oil tank device according to claim 9, characterized in that: The oil containing chamber (3) is provided with a transparent observation window (22).

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