A steam turbine lubrication device

Abstract

The present invention relates to the technical field of steam turbines, and more particularly to a steam turbine lubrication device comprising a base, an oil tank, a heat dissipation assembly, an adjustment assembly, and a buffer assembly. The oil tank is fixedly mounted on the base, an energy-absorbing shell is provided on the outside of the oil tank, and a plurality of energy-absorbing grooves are provided on the inner wall of the energy-absorbing shell. A partition is provided in the oil tank for dividing the oil tank into a first cavity and a second cavity that are interconnected. The heat dissipation assembly is respectively connected to the second cavity and the steam turbine. The conveying assembly is detachably mounted on the base, and is respectively connected to the oil tank and the steam turbine. The adjustment assembly includes an extrusion plate movably arranged in the first cavity. The buffer assembly is movably mounted in the second cavity and is suitable for buffering the oil in the oil tank. When the oil tank is impacted by an external force, the energy-absorbing shell deforms due to the collapse of the energy-absorbing grooves inside the shell, thereby absorbing the impact of the external force on the oil tank, reducing the impact transmitted to the oil tank, improving the safety of the oil tank, and preventing damage to the oil tank.

Description

Technical Field

[0001] The present invention relates to the technical field of steam turbines, and in particular to a steam turbine lubrication device. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam-powered device. High-temperature, high-pressure steam passes through a fixed nozzle, accelerating into an airflow before being ejected onto blades. This causes the rotor, equipped with rows of blades, to rotate, simultaneously generating work. Steam turbines are a staple of modern thermal power plants. When a steam turbine generator set operates at high speed, its support and thrust bearings require large amounts of lubricating oil for lubrication and cooling to ensure stable operation.

[0003] Patent publication number CN206309639U discloses a thrust bearing lubrication device for the main oil pump of a steam turbine unit. The main oil tank has a first-stage injector and a second-stage injector. The first-stage injector is connected to the main oil pump oil inlet of the main oil pump through a pipeline, and then connected to the main oil tank through a return oil pipe connected to the main oil pump oil outlet; the second-stage injector is connected to the oil cooler through a pipeline, and the output pipeline of the oil cooler is divided into two routes, the first route is connected to the turbine bearing, and the second route is connected to the main oil pump bearing. A control pipeline is installed on the fourth route between the one-way valve and the thrust bearing lubricating oil inlet and the return oil pipe on the rear side of the check valve, and a control valve is provided on the control pipeline.

[0004] In the prior art, the lubricating oil tank has poor safety and is easily damaged when impacted. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defects of the prior art lubricating oil tank that are relatively poor in safety and easily damaged when impacted.

[0006] In order to solve the above problems, the present invention provides a steam turbine lubrication device, comprising:

[0007] base;

[0008] An oil tank is fixedly mounted on the base, an energy absorbing shell is provided on the outside of the oil tank, a plurality of energy absorbing grooves are opened on the inner wall of the energy absorbing shell, and a partition is provided inside the oil tank, suitable for dividing the oil tank into a first cavity and a second cavity that are interconnected;

[0009] a heat dissipation assembly, wherein the heat dissipation assembly is provided with a first liquid inlet pipe and a first liquid outlet pipe, the first liquid outlet pipe is connected to the second cavity, and the first liquid inlet pipe is suitable for being connected to the steam turbine;

[0010] a conveying assembly detachably mounted on the base, the conveying assembly being provided with a second liquid inlet pipe and a second liquid outlet pipe, the second liquid inlet pipe being connected to the oil tank, and the second liquid outlet pipe being adapted to be connected to the steam turbine;

[0011] an adjustment assembly, comprising a squeeze plate movably disposed within the first cavity, adapted to adjust the volume within the first cavity;

[0012] The buffer assembly is movably installed in the second cavity and movably connected to the partition, and is suitable for buffering the oil in the oil tank.

[0013] Furthermore, in this steam turbine lubrication device, a mounting groove is provided on the partition, and the buffer assembly includes:

[0014] a float bladder, movably disposed in the second cavity;

[0015] A connecting rod, one end of which is fixedly connected to the float bag;

[0016] a guide rod, vertically arranged on the inner wall of the second cavity;

[0017] A sliding plate, one end of which is movably connected to the guide rod and the other end of which is movably installed in the mounting groove, and an end of the connecting rod away from the float bag is movably connected to the sliding plate;

[0018] The buffer plate has a wavy surface and is movably installed in the installation groove. The buffer plate is fixedly connected to the sliding plate. An overflow groove connecting the first cavity and the second cavity is provided on the buffer plate. The size of the overflow groove facing the second cavity is larger than the size facing the first cavity.

[0019] Furthermore, in this steam turbine lubrication device, the regulating assembly further comprises:

[0020] a flexible sleeve, one end of which is connected to the partition plate and the other end of which is connected to the extrusion plate;

[0021] The elastic member is located in the first cavity and is arranged between the extrusion plate and the inner wall of the oil tank.

[0022] Furthermore, in this steam turbine lubrication device, the regulating assembly further comprises:

[0023] The pressure relief component is installed on the oil tank and is suitable for connecting the first cavity with the external environment.

[0024] Furthermore, in this steam turbine lubrication device, the heat dissipation component includes:

[0025] A return box, fixedly mounted on the top of the oil tank;

[0026] A plurality of heat dissipation fins are fixedly mounted on the outer wall of the reflux box;

[0027] An inner liquid tank is fixedly installed in the return tank, and a connecting pipe and a return pipe are provided on the inner liquid tank, the connecting pipe is connected to the second cavity, and the return pipe is suitable for being connected to the steam turbine;

[0028] Filter assembly, including:

[0029] A mounting plate, fixedly mounted on the inner wall of the inner liquid tank;

[0030] A plurality of filter stators are arranged at intervals on the mounting plate;

[0031] A plurality of filter mesh moving pieces are mounted on the filter mesh fixed piece in a one-to-one correspondence.

[0032] Furthermore, in this steam turbine lubrication device, a third mounting hole is provided on the return box, and the heat dissipation assembly further comprises:

[0033] A driving member, fixedly mounted on the top of the oil tank;

[0034] a striking plate connected to the driving end of the driving member;

[0035] The transmission plate is movably mounted in the third mounting hole, one end of the transmission plate is connected to the knocking plate, and the other end is suitable for abutting against the inner liquid box.

[0036] Furthermore, in this steam turbine lubrication device, the conveying assembly includes:

[0037] A mounting base, detachably mounted on the base;

[0038] The pump body is fixedly mounted on the mounting seat, the input end of the pump body is connected to the second liquid inlet pipe, and the output end of the pump body is connected to the second liquid outlet pipe.

[0039] Furthermore, in this steam turbine lubrication device, the base is provided with a plurality of fourth mounting holes, the mounting seat is provided with fifth mounting holes matching the fourth mounting holes, and fixing members are fixedly installed in the fourth mounting holes and the fifth mounting holes.

[0040] Furthermore, in this steam turbine lubrication device, a side plate is provided on the base located on one side of the first cavity, a first mounting hole is provided on the oil tank located on one side of the first cavity, the energy absorbing shell is located between the oil tank and the side plate, and a second mounting hole is provided on the energy absorbing shell, and the adjustment assembly further includes:

[0041] a transmission rod movably mounted in the first mounting hole and the second mounting hole, with one end connected to the extrusion plate and the other end abutting against the side plate;

[0042] An energy absorbing plate is installed on a side of the side plate close to the oil tank, and an end of the transmission rod away from the extrusion plate is in contact with the energy absorbing plate.

[0043] Furthermore, in this steam turbine lubrication device, a first sealing member is installed in the first mounting hole and / or a second sealing member is installed in the second mounting hole.

[0044] The present invention has the following advantages:

[0045] 1. The steam turbine lubrication device provided by the present invention includes a base, an oil tank, a heat dissipation component, an adjustment component and a buffer component. The oil tank is fixedly installed on the base, an energy absorbing shell is provided on the outside of the oil tank, and a plurality of energy absorbing grooves are opened on the inner wall of the energy absorbing shell. A partition is provided in the oil tank, which is suitable for dividing the oil tank into a first cavity and a second cavity that are interconnected. A first liquid inlet pipe and a first liquid outlet pipe are provided on the heat dissipation component, and the first liquid outlet pipe is connected to the second cavity. The first liquid inlet pipe is suitable for being connected to the steam turbine. The conveying component is detachably mounted on the base, and a second liquid inlet pipe and a second liquid outlet pipe are provided on the conveying component, and the second liquid inlet pipe is connected to the oil tank, and the second liquid outlet pipe is suitable for being connected to the steam turbine. The adjustment component includes a squeeze plate movably arranged in the first cavity, which is suitable for adjusting the internal volume of the first cavity. The buffer component is movably mounted in the second cavity and movably connected to the partition, and is suitable for buffering the oil in the oil tank.

[0046] When the fuel tank is impacted by external force, the energy-absorbing shell will collapse through the energy-absorbing groove on the inside, causing the energy-absorbing shell to deform, thereby absorbing the impact of the external force on the fuel tank, reducing the impact transmitted to the fuel tank, improving the safety of the fuel tank, and avoiding damage to the fuel tank.

[0047] 2. The steam turbine lubrication device provided by the present invention has an installation groove on the partition, and the buffer assembly includes a float, a connecting rod, a guide rod, a sliding plate and a buffer plate. The guide rod is vertically arranged on the inner wall of the second cavity, and the float is movably arranged in the second cavity. One end of the connecting rod is fixedly connected to the float, and the other end is movably connected to the sliding plate. One end of the sliding plate is movably connected to the guide rod, and the other end is movably installed in the installation groove. The surface of the buffer plate is wavy, and it is movably installed in the installation groove and fixedly connected to the sliding plate. An overflow groove connecting the first cavity and the second cavity is provided on the buffer plate, and the size of the overflow groove facing the second cavity is larger than the size facing the first cavity.

[0048] When the fuel tank is impacted, the oil in the tank shakes under the action of the impact. By setting the surface of the buffer plate to a wave shape, the surface area of the buffer plate is increased, so that the shaking oil can be divided and energy can be absorbed, reducing the impact of the shaking oil on the inner wall of the tank, thereby improving the safety and stability of the tank and its internal structure.

[0049] 3. The steam turbine lubrication device provided by the present invention, the adjustment component also includes a flexible sleeve and an elastic member, one end of the flexible sleeve is connected to the partition, and the other end is connected to the extrusion plate, the elastic member is located in the first cavity, and is arranged between the extrusion plate and the inner wall of the oil tank.

[0050] By arranging a flexible sleeve in the first cavity, when the oil flows back into the oil tank at a higher pressure, the oil flows from the second cavity into the flexible sleeve, and the oil in the flexible sleeve generates an extrusion force on the extrusion plate toward the side plate, so that the flexible sleeve drives the extrusion plate to expand toward the side plate, thereby adjusting the size of the internal volume of the oil tank, slowly releasing the pressure of the oil flowing back into the oil tank, reducing the impact on the interior of the oil tank when the oil flows back, and at the same time the elastic member can absorb the impact of the extrusion plate on the inner wall of the oil tank, playing a buffering role, and ensuring the safety of the oil tank.

[0051] 4. The steam turbine lubrication device provided by the present invention, the regulating assembly also includes a pressure relief component installed on the oil tank to connect the first cavity with the external environment. When the oil flowing back into the first cavity pushes the extrusion plate to move toward the outer wall of the oil tank, if the pressure in the first cavity exceeds a preset value, the pressure relief component can connect the first cavity with the outside world to release the pressure in the first cavity, further improving the safety of the oil tank, and having the advantages of simple structure and convenient operation.

[0052] 5. The steam turbine lubrication device provided by the present invention comprises a heat dissipation assembly including a return box, heat dissipation fins and a filter assembly, the return box being fixedly mounted on the top of the oil tank, a plurality of heat dissipation fins being fixedly mounted on the outer wall of the return box, an inner liquid tank being fixedly mounted in the return box, a connecting pipe and a return pipe being provided on the inner liquid tank, the connecting pipe being connected to the second cavity, the return pipe being suitable for being connected to the steam turbine, the filter assembly comprising a mounting plate, a filter stator and a filter moving plate, the mounting plate being fixedly mounted on the inner wall of the inner liquid tank, a plurality of filter stators being spaced apart on the mounting plate, and a plurality of filter moving plates being mounted one-to-one on the filter stator.

[0053] The lubricating oil in the steam turbine flows back to the internal fluid tank through the return pipe. The stator and rotor filters installed in the internal fluid tank absorb and filter any debris remaining in the return oil, ensuring its reusability. The return oil also conducts heat to the cooling fins, dissipating it and reducing its temperature. Integrating heat dissipation and filtration into the return tank reduces the overall footprint of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0055] Figure 1 Schematic diagram of the overall structure of a steam turbine lubrication device provided in an embodiment of the present invention;

[0056] Figure 2 This is a front view schematic structural diagram of the steam turbine lubrication device provided in Example 1 of the present invention;

[0057] Figure 3 This is a schematic structural diagram of a buffer plate in a steam turbine lubrication device provided in an embodiment of the present invention;

[0058] Figure 4 Schematic diagram of the structure of a flexible sleeve in a steam turbine lubrication device provided in an embodiment of the present invention;

[0059] Figure 5 This is a partial enlarged view of point A in the steam turbine lubrication device provided in Example 1 of the present invention;

[0060] Figure 6 This is a schematic structural diagram of a mounting seat and a fixing member in a steam turbine lubrication device provided in an embodiment of the present invention;

[0061] Figure 7 This is a front view schematic structural diagram of a steam turbine lubrication device provided in Example 2 of the present invention;

[0062] Figure 8 This is a partial enlarged view of point B in the steam turbine lubrication device provided in Example 2 of the present invention.

[0063] Description of reference numerals:

[0064] 1. Base; 11. Side panels; 2. Fuel tank; 20. Energy-absorbing shell; 21. Partition; 3. Heat dissipation assembly; 31. First liquid inlet pipe; 32. Return box; 33. Heat dissipation fins; 34. Internal liquid tank; 35. Return pipe; 36. Filter assembly; 361. Mounting plate; 362. Filter stator; 363. Filter rotor; 37. Drive element; 38. Knocking plate; 39. Transmission plate; 4. Conveying assembly; 41. Second liquid inlet pipe ; 42. Second liquid outlet pipe; 43. Mounting seat; 44. Fixing part; 45. Pump body; 5. Adjusting assembly; 51. Extrusion plate; 52. Flexible sleeve; 53. Elastic part; 54. Pressure relief part; 55. Transmission rod; 56. Energy absorbing plate; 57. First sealing part; 58. Second sealing part; 6. Buffer assembly; 61. Float; 62. Connecting rod; 63. Guide rod; 64. Sliding plate; 65. Buffer plate; 651. Overflow tank. DETAILED DESCRIPTION

[0065] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0066] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0067] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0068] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0069] Example 1

[0070] like Figures 1 to 6As shown, the steam turbine lubrication device provided by the present invention includes a base 1, an oil tank 2, a heat dissipation component 3, an adjustment component 5 and a buffer component 6. The oil tank 2 is fixedly mounted on the base 1. An energy absorbing shell 20 is provided on the outer side of the oil tank 2. A plurality of energy absorbing grooves are provided on the inner wall of the energy absorbing shell 20. A partition 21 is provided in the oil tank 2, which is suitable for dividing the oil tank 2 into a first cavity and a second cavity that are interconnected. A first liquid inlet pipe 31 and a first liquid outlet pipe are provided on the heat dissipation component 3. The first liquid outlet pipe is connected to the second cavity. The first liquid inlet pipe 31 is suitable for being connected to the steam turbine. The conveying component 4 is detachably mounted on the base 1. The conveying component 4 is provided with a second liquid inlet pipe 41 and a second liquid outlet pipe 42. The second liquid inlet pipe 41 is connected to the oil tank 2, and the second liquid outlet pipe 42 is suitable for being connected to the steam turbine. The adjustment component 5 includes a squeezing plate 51 movably arranged in the first cavity, which is suitable for adjusting the internal volume of the first cavity. The buffer component 6 is movably mounted in the second cavity and movably connected to the partition 21, which is suitable for buffering the oil in the oil tank 2.

[0071] During operation, the oil flows back from the steam turbine through the first liquid inlet pipe 31 to the heat dissipation component 3 for heat dissipation and cooling. The oil after heat dissipation flows back to the second cavity in the oil tank 2 through the first liquid outlet pipe, and flows back to the first cavity through the partition 21 to push the extrusion plate 51 to adjust the volume of the first cavity. The returned oil is then transported to the conveying component 4 through the second liquid inlet pipe 41, and is transported back to the steam turbine again through the second liquid outlet pipe 42.

[0072] When the fuel tank 2 is impacted by external force, the energy absorbing shell 20 collapses through the energy absorbing groove on the inside, causing the energy absorbing shell 20 to deform, thereby absorbing the impact of the external force on the fuel tank 2, reducing the impact transmitted to the fuel tank 2, improving the safety of the fuel tank 2, and avoiding damage to the fuel tank 2.

[0073] like Figure 2 and Figure 3 As shown, a mounting groove is provided on the partition 21, and the buffer assembly 6 includes a float 61, a connecting rod 62, a guide rod 63, a sliding plate 64 and a buffer plate 65. The guide rod 63 is vertically arranged on the inner wall of the second cavity, and the float 61 is movably arranged in the second cavity. One end of the connecting rod 62 is fixedly connected to the float 61, and the other end is hinged to the sliding plate 64. One end of the sliding plate 64 is slidably installed on the guide rod 63, and the other end is movably installed in the mounting groove. The surface of the buffer plate 65 is provided with a plurality of arc-shaped waves, which is movably installed in the mounting groove and fixedly connected to the sliding plate 64. The buffer plate 65 is provided with an overflow groove 651 connecting the first cavity and the second cavity, and the size of the overflow groove 651 facing the second cavity is larger than the size facing the first cavity.

[0074] The float 61 floats on the surface of the oil due to buoyancy. When the oil level in the oil tank 2 changes, the float 61 drives the sliding plate 64 to move in the vertical direction along the guide rod 63. At the same time, the buffer plate 65 moves together with the float 61, and the oil flows into the first cavity through the overflow groove 651.

[0075] When the fuel tank 2 is impacted, the oil inside it oscillates. By designing the surface of the buffer plate 65 into a wavy shape, the surface area of the buffer plate 65 is increased, thereby dispersing and absorbing the oscillating oil, reducing the impact of the oscillating oil on the inner wall of the fuel tank 2, thereby improving the safety and stability of the fuel tank 2 and its internal structure. The overflow groove 651 has a larger dimension facing the second cavity than the dimension facing the first cavity, which slows the flow of oil into the first cavity and acts as a flow limiter for oil flowing back into the first cavity.

[0076] like Figure 2 and Figure 4 As shown, the adjustment assembly 5 also includes a flexible sleeve 52 and an elastic member 53. One end of the flexible sleeve 52 is connected to the partition 21, and the other end is connected to the extrusion plate 51. The elastic member 53 is located in the first cavity and is arranged between the extrusion plate 51 and the inner wall of the oil tank 2.

[0077] By arranging the flexible sleeve 52 in the first cavity, when the oil flows back into the oil tank 2 at a relatively high pressure, the oil flows from the second cavity into the flexible sleeve 52, and the oil in the flexible sleeve 52 exerts an extrusion force on the extrusion plate 51 toward the side of the side plate 11, so that the flexible sleeve 52 drives the extrusion plate 51 to expand toward the side of the side plate 11, thereby adjusting the size of the internal volume of the oil tank 2, slowly releasing the pressure of the oil flowing back into the oil tank 2, reducing the impact on the interior of the oil tank 2 when the oil flows back, and at the same time, the elastic member 53 can absorb the impact of the extrusion plate 51 on the inner wall of the oil tank 2, playing a buffering role, and ensuring the safety of the oil tank 2.

[0078] The elastic member 53 is not specifically limited in this embodiment. To conform to the actual situation, the elastic member 53 in this embodiment is a spring. In other embodiments, the elastic member 53 may also be a spring sheet, a spring washer, etc.

[0079] In this embodiment, the regulating assembly 5 also includes a pressure relief member 54 installed on the oil tank 2 to connect the first cavity with the external environment. When the oil flowing back into the first cavity pushes the extrusion plate 51 to move toward the outer wall of the oil tank 2, if the pressure in the first cavity exceeds a preset value, the pressure relief member 54 can connect the first cavity with the outside world and release the pressure in the first cavity, thereby further improving the safety of the oil tank 2 and having the advantages of simple structure and convenient operation.

[0080] The present embodiment does not impose any specific limitation on the pressure relief member 54 . To comply with the actual situation, the pressure relief member 54 in the present embodiment is a pressure relief valve.

[0081] like Figure 2 and Figure 5 As shown, the heat dissipation assembly 3 includes a return box 32, heat dissipation fins 33 and a filter assembly 36. The return box 32 is fixedly mounted on the top of the oil tank 2, and multiple heat dissipation fins 33 are fixedly mounted on the outer wall of the return box 32. The inner liquid tank 34 is fixedly mounted in the return box 32. A connecting pipe and a return pipe 35 are provided on the inner liquid tank 34. The connecting pipe is connected to the second cavity. The return pipe 35 is suitable for being connected to the steam turbine. The filter assembly 36 includes a mounting plate 361, a filter stator 362 and a filter moving piece 363. The mounting plate 361 is fixedly mounted on the inner wall of the inner liquid tank 34. Multiple filter stators 362 are spaced apart on the mounting plate 361, and multiple filter moving pieces 363 are mounted on the filter stator 362 in a one-to-one correspondence.

[0082] The lubricating oil within the steam turbine flows back into the internal fluid tank 34 through the return pipe 35. The stator and rotor filters 362 and 363 within the internal fluid tank 34 absorb and filter any debris remaining in the return oil, ensuring its reusability. The return oil also conducts heat to the cooling fins 33, dissipating it and reducing its temperature. Integrating heat dissipation and filtration within the return tank 32 reduces the overall footprint of the device.

[0083] The present embodiment does not impose any specific limitation on the internal liquid tank 34 . To comply with the actual situation, the internal liquid tank 34 in the present embodiment adopts a flexible, heat-conducting elastic rubber airbag.

[0084] like Figure 5 As shown, in this embodiment, a third mounting hole is provided on the reflux box 32, and the heat dissipation assembly 3 also includes a driving member 37, a knocking plate 38 and a transmission plate 39. The driving member 37 is fixedly mounted on the top of the oil tank 2, and the knocking plate 38 is eccentrically mounted on the driving end of the driving member 37. The transmission plate 39 is movably mounted in the third mounting hole, one end of which is connected to the knocking plate 38, and the other end is suitable for abutting against the inner liquid tank 34.

[0085] The present embodiment does not impose any specific limitation on the driving member 37 . To comply with the actual situation, the driving member 37 in the present embodiment is a motor.

[0086] When a large amount of impurities are adsorbed and stored on the filter movable plate 363 and the filter stator 362, the driving member 37 drives the knocking plate 38 to rotate, generating a reciprocating force on the transmission plate 39, so that the transmission plate 39 moves to squeeze the inner liquid tank 34. The flexible inner liquid tank 34 is squeezed and contracts. The contracted flexible inner liquid tank 34 drives the mounting plate 361 to move inward, further driving the filter stator 362 and the filter movable plate 363 installed on the mounting plate 361 to squeeze and rub against each other, thereby causing the impurities adsorbed on the filter stator 362 and the filter movable plate 363 to fall off. Then, the connecting pipe is removed from the oil tank 2, and the oil containing impurities can be discharged.

[0087] like Figure 6 As shown, in this embodiment, a plurality of fourth mounting holes are provided on the base 1, and the conveying assembly 4 includes a mounting seat 43, a pump body 45 and a fixing member 44. The mounting seat 43 is detachably mounted on the base 1, and a fifth mounting hole matching the fourth mounting hole is provided on the mounting seat 43. The fixing member 44 is passed through the fourth mounting hole and the fifth mounting hole. The pump body 45 is fixedly mounted on the mounting seat 43, and the input end of the pump body 45 is connected to the second liquid inlet pipe 41, and the output end of the pump body 45 is connected to the second liquid outlet pipe 42.

[0088] By detachably mounting the mounting seat 43 on the base 1 , it is convenient to disassemble, inspect, and maintain the pump body 45 mounted on the mounting seat 43 , thereby improving the efficiency of assembly and maintenance, and having the advantages of simple structure and convenient operation.

[0089] The present embodiment does not impose any specific limitation on the pump body 45 . To comply with the actual situation, the pump body 45 in the present embodiment adopts a turbine pump.

[0090] Example 2

[0091] like Figure 7 and Figure 8 As shown, the difference between this embodiment and embodiment 1 is that, in this embodiment, a side plate 11 is provided on the base 1 on one side of the first cavity, a first mounting hole is provided on the fuel tank 2 on one side of the first cavity, the energy absorbing shell 20 is located between the fuel tank 2 and the side plate 11, and a second mounting hole is provided on the energy absorbing shell 20, and the adjustment assembly 5 also includes a transmission rod 55 and an energy absorbing plate 56, the transmission rod 55 is movably installed in the first mounting hole and the second mounting hole, one end is connected to the extrusion plate 51, and the other end is in contact with the side plate 11, and the elastic member 53 is sleeved on the transmission rod 55, the energy absorbing plate 56 is installed on the side of the side plate 11 close to the fuel tank 2, and the end of the transmission rod 55 away from the extrusion plate 51 is in contact with the energy absorbing plate 56.

[0092] When the oil flows back into the first cavity, the pressure of the oil pushes the squeeze plate 51 toward the elastic member 53. When one end of the transmission rod 55 contacts the energy-absorbing plate 56, it partially absorbs the pressure of the oil on the squeeze plate 51, thereby reducing the impact of the oil on the first cavity. When the fuel tank 2 is impacted, the side plate 11 and the energy-absorbing plate 56 act as a barrier, absorbing some of the impact, thereby reducing the destructive force of the impact on the fuel tank 2 and improving the safety of the fuel tank 2.

[0093] In this embodiment, a first sealing member 57 is installed in the first mounting hole, and a second sealing member 58 is installed in the second mounting hole.

[0094] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A steam turbine lubrication device, characterized in that: include: Base (1); An oil tank (2) is fixedly mounted on the base (1); an energy absorbing shell (20) is provided on the outside of the oil tank (2); a plurality of energy absorbing grooves are provided on the inner wall of the energy absorbing shell (20); a partition (21) is provided inside the oil tank (2) and is suitable for dividing the inside of the oil tank (2) into a first cavity and a second cavity that are interconnected; and a mounting groove is provided on the partition (21); A heat dissipation component (3), wherein the heat dissipation component (3) is provided with a first liquid inlet pipe (31) and a first liquid outlet pipe, the first liquid outlet pipe is connected to the second cavity, and the first liquid inlet pipe (31) is suitable for being connected to the steam turbine; a conveying assembly (4) detachably mounted on the base (1); a second liquid inlet pipe (41) and a second liquid outlet pipe (42) are provided on the conveying assembly (4); the second liquid inlet pipe (41) is connected to the oil tank (2); and the second liquid outlet pipe (42) is suitable for being connected to the steam turbine; An adjustment component (5) comprising a squeezing plate (51) movably disposed in the first cavity and adapted to adjust the volume of the first cavity; A buffer assembly (6) is movably mounted in the second cavity and movably connected to the partition (21), and is suitable for buffering the oil in the oil tank (2). The buffer assembly (6) includes: a float (61) movably disposed in the second cavity; A connecting rod (62), one end of which is fixedly connected to the floating bag (61); A guide rod (63) is vertically arranged on the inner wall of the second cavity; A sliding plate (64) has one end movably connected to the guide rod (63) and the other end movably mounted in the mounting groove, and one end of the connecting rod (62) away from the float bag (61) is movably connected to the sliding plate (64); The buffer plate (65) has a wavy surface and is movably installed in the installation groove. The buffer plate (65) is fixedly connected to the sliding plate (64). The buffer plate (65) is provided with an overflow groove (651) connecting the first cavity and the second cavity. The size of the overflow groove (651) facing the second cavity is larger than the size facing the first cavity.

2. The steam turbine lubrication device according to claim 1, characterized in that: The regulating component (5) further comprises: a flexible sleeve (52), one end of which is connected to the partition (21) and the other end of which is connected to the extrusion plate (51); An elastic member (53) is located in the first cavity and is arranged between the extrusion plate (51) and the inner wall of the oil tank (2).

3. The steam turbine lubrication device according to claim 2, characterized in that: The regulating component (5) further comprises: A pressure relief member (54) is mounted on the oil tank (2) and is adapted to connect the first cavity with the external environment.

4. The steam turbine lubrication device according to claim 3, characterized in that: The heat dissipation component (3) comprises: A return box (32) is fixedly mounted on the top of the oil tank (2); A plurality of heat dissipation fins (33) are fixedly mounted on the outer wall of the return box (32); An inner liquid tank (34) is fixedly installed in the return tank (32), and a connecting pipe and a return pipe (35) are provided on the inner liquid tank (34), wherein the connecting pipe is in communication with the second cavity, and the return pipe (35) is suitable for being in communication with the steam turbine; A filter assembly (36) comprising: A mounting plate (361) fixedly mounted on the inner wall of the inner liquid tank (34); A plurality of filter screen stators (362) are arranged at intervals on the mounting plate (361); A plurality of filter mesh moving pieces (363) are mounted on the filter mesh fixed piece (362) in a one-to-one correspondence.

5. The steam turbine lubrication device according to claim 4, characterized in that: The reflux box (32) is provided with a third mounting hole, and the heat dissipation assembly (3) further comprises: A driving member (37) is fixedly mounted on the top of the oil tank (2); a knocking plate (38) connected to the driving end of the driving member (37); A transmission plate (39) is movably mounted in the third mounting hole, one end of which is connected to the knocking plate (38) and the other end of which is adapted to abut against the inner liquid box (34).

6. The steam turbine lubrication device according to any one of claims 3 to 5, characterized in that: The conveying assembly (4) comprises: A mounting seat (43) detachably mounted on the base (1); The pump body (45) is fixedly mounted on the mounting seat (43), the input end of the pump body (45) is connected to the second liquid inlet pipe (41), and the output end of the pump body (45) is connected to the second liquid outlet pipe (42).

7. The steam turbine lubrication device according to claim 6, characterized in that: The base (1) is provided with a plurality of fourth mounting holes, the mounting seat (43) is provided with a fifth mounting hole matching the fourth mounting holes, and fixing members (44) are fixedly installed in the fourth mounting holes and the fifth mounting holes.

8. The steam turbine lubrication device according to claim 7, characterized in that: The base (1) is provided with a side plate (11) on one side of the first cavity, the oil tank (2) is provided with a first mounting hole on one side of the first cavity, the energy absorbing shell (20) is located between the oil tank (2) and the side plate (11), and a second mounting hole is provided on the energy absorbing shell (20), and the adjustment assembly (5) further comprises: A transmission rod (55) is movably mounted in the first mounting hole and the second mounting hole, one end of which is connected to the extrusion plate (51) and the other end of which is in contact with the side plate (11); An energy absorbing plate (56) is mounted on a side of the side plate (11) close to the oil tank (2), and one end of the transmission rod (55) away from the extrusion plate (51) abuts against the energy absorbing plate (56).

9. The steam turbine lubrication device according to claim 8, characterized in that: A first sealing member (57) is installed in the first mounting hole and / or a second sealing member (58) is installed in the second mounting hole.

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