High-strength exhaust hood welding bearing seat structure
By designing an oil injection groove, oil outlet, limit groove, limit rod, sealing rubber plug, and adjustment components on the high-strength exhaust cylinder welded bearing housing, the problem of lubricating oil leakage was solved, and effective application and sealing of lubricating oil were achieved, thus improving the lubrication effect.
Patent Information
- Application Number
- CN202520652113.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-09
AI Technical Summary
Existing high-strength exhaust cylinder welded bearing housings are prone to leakage when lubricating oil is injected, resulting in resource waste.
The design includes an oil filling groove, an oil outlet, a limiting groove, a limiting rod, a sealing rubber plug, an adjusting component, and a fixing component. Through the cooperation of these components, the lubricating oil can be effectively applied to the bearing surface and leakage can be prevented.
It achieves effective application and sealing of lubricating oil, avoids resource waste, and improves lubrication effect.
Smart Images

Figure CN223725198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to high -strength exhaust cylinder welding bearing seat structure technical field especially relates to a high -strength exhaust cylinder welding bearing seat structure. BACKGROUND
[0002] High -strength exhaust cylinder, namely steam turbine low pressure exhaust cylinder, is the important part of connecting steam turbine last stage blade and condenser, and the main role of high -strength exhaust cylinder is guiding the steam of steam turbine last stage blade to condenser, and the expansion of steam flow, thereby the residual velocity kinetic energy of last stage exhaust is converted into pressure energy, and this conversion process is important for improving the thermal efficiency and performance of steam turbine.
[0003] And in order to shorten the span, the staff often welds the bearing seat on the exhaust cylinder, which can effectively shorten the span between the bearing seat and the exhaust cylinder, so that the whole structure is more compact, and the compact structure design helps to reduce vibration and noise and improve the operation stability of the steam turbine.
[0004] Although the existing bearing seat has an oil inlet, when the staff pours lubricating oil into the oil inlet, the poured lubricating oil may seep out of the oil inlet, causing waste of resources. In view of this, a high -strength exhaust cylinder welding bearing seat structure is provided. INVENTION CONTENTS
[0005] The utility model discloses a high -strength exhaust cylinder welding bearing seat structure to solve the problem in the background art.
[0006] Therefore, the utility model provides a high -strength exhaust cylinder welding bearing seat structure, which comprises a bearing and further comprises:
[0007] An oil injection groove is formed in the top surface of the bearing, and a plurality of oil outlets are formed in the inner wall of the oil injection groove and communicated with the inner cavity of the bearing;
[0008] Two limiting grooves are formed in the top surface of the bearing, two sliding rods are slidingly connected in the two limiting grooves respectively, the top end of each sliding rod is fixedly connected with a first fixed block, two limiting rods are slidingly connected in the first fixed block, the bottom end of each limiting rod extends into the oil injection groove, a sealing rubber plug is fixedly connected to the bottom end of each limiting rod and located in the oil injection groove and slidingly connected with the oil injection groove, a pressing block is slidingly connected between the two limiting rods, and a first spring is fixedly connected to the bottom surface of the pressing block and has one end fixed to the top surface of the sealing rubber plug;
[0009] An adjusting assembly is located between the first fixed block and the pressing block and used to drive the pressing block to move;
[0010] A second fixing block is fixedly connected to the top surface of the bearing and located at one side of the first fixing block
[0011] A fixing assembly is located in the second fixing block and used for fixing the first fixing block.
[0012] Based on the above structure, by setting the oil injection groove and the oil outlet, it is ensured that the user can inject lubricating oil into the oil injection groove and apply the lubricating oil to the bearing surface in the bearing cavity through the plurality of oil outlets. By setting the first fixing block, the limiting rods and the sealing rubber plug, it is ensured that the two limiting rods can slide in the first fixing block, and at the same time, the two limiting rods can drive the sealing rubber plug to move. By setting the first spring, it is ensured that the sealing rubber plug can be subjected to the elastic force of the first spring, and the lubricating oil is pushed to the surface of the bearing through the oil injection groove and the plurality of oil outlets. By setting the limiting grooves and the sliding rods, it is ensured that the two sliding rods can drive the first fixing block to move up and down along the two limiting grooves, so that the first fixing block can drive the sealing rubber plug to move from the oil injection groove to the outside, thereby facilitating the user to inject lubricating oil into the oil injection groove. By setting the fixing assembly, it is ensured that the user can fix the first fixing block on the bearing by the fixing assembly.
[0013] In the above technical solution, further, the adjusting assembly comprises:
[0014] A rotating groove is formed in the top surface of the pressing block, a threaded rod is rotatably connected in the rotating groove, and one end of the threaded rod penetrates through the first fixing block and extends to the outside to be threadedly connected with the first fixing block.
[0015] In the present technical solution, it is ensured that the user can adjust the elastic force of the first spring, so that the sealing rubber plug can push the lubricating oil to be applied on the bearing more quickly.
[0016] In the above technical solution, further, the fixing assembly comprises:
[0017] A first sliding groove is formed in the second fixing block and communicates with the outside, a plug is slidably connected in the first sliding groove, one end of the plug penetrates through the circumferential side of the first fixing block and extends into the first fixing block to be insertedly connected with the first fixing block, an extrusion groove is formed in the plug, and the other end of the plug is fixedly connected with a second spring fixed to the inner wall of the first sliding groove;
[0018] A second sliding groove is formed in the inner wall of the first sliding groove and communicates with the outside, an extrusion block is slidably connected in the second sliding groove, and one end of the extrusion block extends into the extrusion groove.
[0019] In the present technical solution, it is ensured that the first fixing block can be fixed on the bearing and cannot be moved.
[0020] Further, the extrusion groove is arranged obliquely.
[0021] In the technical solution, when one end of the extrusion block extrudes the inner wall of the extrusion groove, the extrusion groove can drive the plug block to move.
[0022] Further, one end of the extrusion block is in plug-in cooperation with the extrusion groove.
[0023] In the technical solution, when the user presses the extrusion block, one end of the extrusion block can be inserted into the extrusion groove to extrude the extrusion groove.
[0024] Further, one end of the extrusion block is arranged obliquely.
[0025] In the technical solution, when one end of the extrusion block is inserted into the extrusion groove to extrude the extrusion groove, the extrusion groove can drive one end of the plug block to enter the first sliding groove from the first fixed block.
[0026] Further, the pressing block is located in the oil injection groove and is in sliding connection with the oil injection groove.
[0027] In the technical solution, the pressing block can normally slide in the oil injection groove.
[0028] The utility model discloses the beneficial effect is:
[0029] 1. The high -strength exhaust cylinder welding bearing seat structure, through the oil injection groove and the oil outlet that set up, ensure that the user can inject the lubricating oil into the oil injection groove, and the bearing surface in the bearing inner chamber is daubed through a plurality of oil outlets, through the first fixed block, the limit rod and the sealing rubber plug that set up, ensure that two limit rods can slide in the first fixed block, simultaneously, ensure that two limit rods can drive the sealing rubber plug and move, through the first spring that set up, ensure that the sealing rubber plug can receive the first spring elasticity effect, push lubricating oil and daub to the surface of bearing through the oil injection groove and a plurality of oil outlets, through the limit groove and the sliding rod that set up, ensure that two sliding rods can respectively along two limit grooves drive the first fixed block and move up and down, make the first fixed block can drive the sealing rubber plug from the oil injection groove and move to the outside through two limit rods, convenient for the user to inject the lubricating oil into the oil injection groove, through the fixed assembly that sets up, ensure that the user can fix the first fixed block on the bearing and can not move through the fixed assembly, solved when the staff injects the lubricating oil into the oil injection port, and the injected lubricating oil can possibly seep from the oil injection port, cause the problem of resource waste.
[0030] 2. The high-strength exhaust cylinder welded bearing seat structure, through the setting of the pressing block, ensures that the pressing block can slide between the two limiting rods, through the setting of the adjusting assembly, the user can drive the pressing block to move up and down along the two limiting rods through the adjusting assembly, when the pressing block moves, the pressing block will compress the first spring, ensures that the user can control the elastic force of the first spring according to the use demand. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is the overall structure schematic diagram of the utility model;
[0032] Figure 2 It is the internal structure schematic diagram of the bearing of the utility model one;
[0033] Figure 3 It is the internal structure schematic diagram of the bearing of the utility model two;
[0034] Figure 4 It is the internal structure schematic diagram of the second fixed block of the utility model one;
[0035] Figure 5 It is the internal structure schematic diagram of the second fixed block of the utility model two.
[0036] The mark in the drawing indicates:
[0037] 1, bearing;2, oil injection groove;3, oil outlet;4, limiting groove;5, sliding rod;6, first fixed block;7, limiting rod;8, sealing rubber plug;9, pressing block;10, first spring;11, second fixed block;12, rotating groove;13, threaded rod;14, first sliding groove;15, plug;16, extrusion groove;17, second spring;18, second sliding groove;19, extrusion block. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.
[0039] In the description of the present application, it should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limiting. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0040] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a particular order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are an "or" relationship.
[0041] It should be noted that in the description of the present application, the orientation or position relationship indicated by the orientation terms such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, only for the purpose of describing the present application and simplifying the description, without the opposite indication, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of each component.
[0042] It should be noted that in the present application, the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements not only includes those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.
[0043] Embodiment 1:
[0044] Please refer to Figure 1 - Figure 5 As shown in the figure, the embodiment provides a high-strength exhaust cylinder welded bearing seat structure, which comprises a bearing 1, and further comprises:
[0045] An oil injection groove 2 is formed in the top surface of the bearing 1, and a plurality of oil outlets 3 are formed in the inner wall of the oil injection groove 2 and are connected to the inner cavity of the bearing 1;
[0046] Two limiting grooves 4 are formed in the top surface of the bearing 1, two sliding rods 5 are respectively connected in the two limiting grooves 4, the top ends of the two sliding rods 5 are fixedly connected with a first fixed block 6, two limiting rods 7 are slidably connected in the first fixed block 6, the bottom ends of the two limiting rods 7 extend into the oil injection groove 2, the bottom ends of the two limiting rods 7 are fixedly connected with a sealing rubber plug 8, the sealing rubber plug 8 is located in the oil injection groove 2 and is slidably connected with the oil injection groove 2, a pressing block 9 is slidably connected between the two limiting rods 7, a first spring 10 is fixedly connected to the bottom surface of the pressing block 9, and one end of the first spring 10 is fixed to the top surface of the sealing rubber plug 8;
[0047] An adjusting assembly is located between the first fixed block 6 and the pressing block 9, and is used to drive the pressing block 9 to move;
[0048] A second fixed block 11 is fixedly connected to the top surface of the bearing 1 and located on one side of the first fixed block 6
[0049] A fixing assembly is located in the second fixed block 11 and is used to fix the first fixed block 6.
[0050] Embodiment:
[0051] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure.
[0052] The rotating groove 12 is arranged on the top surface of the pressing block 9, the threaded rod 13 is rotationally connected in the rotating groove 12, and one end of the threaded rod 13 penetrates through the first fixing block 6 and extends to the outside and is threadedly connected with the first fixing block 6.
[0053] When the user needs to accelerate the speed of the lubricating oil, the user rotates the threaded rod 13 by hand, the threaded rod 13 rotates in the rotating groove 12, and meanwhile, the threaded rod 13 is driven to move downwards by the thread of the first fixing block 6, the pressing block 9 is further compressed, the elasticity of the first spring 10 is adjusted, and the sealing rubber plug 8 can push the lubricating oil on the bearing more quickly.
[0054] Embodiment 3
[0055] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure.
[0056] The first sliding groove 14 is arranged in the second fixing block 11 and communicates with the outside, the plug 15 is slidably connected in the first sliding groove 14, one end of the plug 15 penetrates through the side of the first fixing block 6 and extends into the first fixing block 6 and is insertedly matched with the first fixing block 6, the extrusion groove 16 is arranged on the plug 15, and the other end of the plug 15 is fixedly connected with the second spring 17 fixed to the inner wall of the first sliding groove 14.
[0057] The second sliding groove 18 is arranged on the inner wall of the first sliding groove 14 and communicates with the outside, the extrusion block 19 is slidably connected in the second sliding groove 18, and one end of the extrusion block 19 extends into the extrusion groove 16.
[0058] When the user needs to release the fixing of the first fixing block 6, the user presses the extrusion block 19 by hand, one end of the extrusion block 19 extrudes the inner wall of the extrusion groove 16, the extrusion groove 16 drives one end of the plug 15 to enter the first sliding groove 14 from the first fixing block 6 and extend the second spring 17, and the fixing of the first fixing block 6 is released.
[0059] Embodiment 4
[0060] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the extrusion groove 16 is obliquely arranged.
[0061] Wherein, ensure that when one end of the extrusion block 19 extrudes the inner wall of the extrusion groove 16, the extrusion groove 16 can drive the plug 15 to move.
[0062] Embodiment 5:
[0063] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, one end of the extrusion block 19 is inserted and matched with the extrusion groove 16.
[0064] Wherein, ensure that when the user presses the extrusion block 19, one end of the extrusion block 19 can be inserted into the extrusion groove 16 to extrude the extrusion groove 16.
[0065] Embodiment 6:
[0066] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, one end of the extrusion block 19 is obliquely arranged.
[0067] Wherein, ensure that when one end of the extrusion block 19 is inserted into the extrusion groove 16 to extrude the extrusion groove 16, the extrusion groove 16 can drive one end of the plug 15 to enter the first sliding groove 14 from the first fixed block 6.
[0068] Embodiment 7:
[0069] The embodiment provides a high-strength exhaust cylinder welded bearing seat structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the pressure block 9 is located in the oil injection groove 2 and is in sliding connection with the oil injection groove 2.
[0070] Wherein, ensure that the pressure block 9 can normally slide in the oil injection groove 2.
[0071] In use, the user presses the extrusion block 19 with his hand, so that one end of the extrusion block 19 extrudes the inner wall of the extrusion groove 16, so that the extrusion groove 16 drives one end of the plug block 15 to enter the first sliding groove 14 from the first fixed block 6, and extends the second spring 17, at this time the fixation of the first fixed block 6 is released, then the user pulls the first fixed block 6 with his hand, so that the first fixed block 6 drives the two sliding rods 5 to move upward along the two limiting grooves 4 respectively, at the same time, the first fixed block 6 also drives the sealing rubber plug 8 to move upward along the oil injection groove 2 through the two limiting rods 7, when the sealing rubber plug 8 moves to the appropriate position, the sealing rubber plug 8 will move from the inner cavity of the oil injection groove 2 to the outside, then the user injects lubricating oil into the inner cavity of the oil injection groove 2, when the user injects the appropriate amount of lubricating oil, the user presses the first fixed block 6 with his hand, so that the first fixed block 6 drives the two sliding rods 5 to move downward along the two limiting grooves 4 respectively, at the same time, the first fixed block 6 also drives the sealing rubber plug 8 to move downward along the oil injection groove 2 through the two limiting rods 7, when the sealing rubber plug 8 moves to the appropriate position, the sealing rubber plug 8 will insert into the inner cavity of the oil injection groove 2 from the outside, sealing the inner cavity of the oil injection groove 2, then the user continues to press the first fixed block 6, so that the first fixed block 6 continues to move downward, when the first fixed block 6 moves downward, the first fixed block 6 will drive the pressing block 9 to move downward along the two limiting rods 7, at the same time, the sealing rubber plug 8 will stop moving due to the presence of lubricating oil in the inner cavity of the oil injection groove 2, so that the two limiting rods 7 relatively move upward in the first fixed block 6, when the pressing block 9 moves downward, the pressing block 9 will compress the first spring 10, when the first spring 10 is compressed, the sealing rubber plug 8 will be affected by the rebound force of the first spring 10, slowly pushing the lubricating oil to spread on the bearing through the oil injection groove 2 and the plurality of oil outlets 3, when the first fixed block 6 moves downward to the position where it cannot move, the user releases the hand pressing the extrusion block 19, so that one end of the plug block 15 is inserted into the first fixed block 6 under the action of the rebound force of the second spring 17, ensuring that the first fixed block 6 can be fixed on the bearing 1 and cannot move, when the user needs to speed up the speed of spreading lubricating oil, the user rotates the threaded rod 13 with his hand, so that the threaded rod 13 rotates in the rotating groove 12, at the same time, the threaded rod 13 will be driven by the threads of the first fixed block 6 to move the pressing block 9 downward, so that the pressing block 9 further compresses the first spring 10, ensuring that the user can adjust the spring force of the first spring 10, so that the sealing rubber plug 8 can push the lubricating oil to spread on the bearing faster.
[0072] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.
Claims
1. A high-strength exhaust cylinder welded bearing block structure comprising a bearing (1), characterized in that, Also include: The oil tank (2) is opened in the top surface of the bearing (1), and a plurality of oil outlets (3) connected with the inner cavity of the bearing (1) are opened on the inner wall of the oil tank (2); Two limiting grooves (4) are opened in the top surface of the bearing (1), two sliding rods (5) are respectively connected in the two limiting grooves (4), the top end of the two sliding rods (5) is fixedly connected with the first fixed block (6), the first fixed block (6) is slidably connected with two limiting rods (7), and the bottom end of the two limiting rods (7) extends into the oil tank (2), the bottom end of the two limiting rods (7) is fixedly connected with the sealing rubber plug (8), and the sealing rubber plug (8) is located in the oil tank (2) and is slidably connected with the oil tank (2), the pressure block (9) is slidably connected between the two limiting rods (7), the bottom surface of the pressure block (9) is fixedly connected with the first spring (10), and one end of the first spring (10) is fixedly connected with the top surface of the sealing rubber plug (8); Adjusting assembly, the adjusting assembly is located between the first fixed block (6) and the pressure block (9), and is used for driving the pressure block (9) to move; The second fixed block (11) is fixedly connected to the top surface of the bearing (1) and located on one side of the first fixed block (6) The fixing assembly is located in the second fixed block (11), and is used for fixing the first fixed block (6).
2. The high strength exhaust cylinder welded bearing seat structure according to claim 1, characterized in that, The adjusting assembly includes: The rotating groove (12) is opened in the top surface of the pressure block (9), the threaded rod (13) is rotatably connected in the rotating groove (12), and one end of the threaded rod (13) penetrates through the first fixed block (6) and extends to the outside and is threadedly connected with the first fixed block (6).
3. The high strength exhaust cylinder welded bearing seat structure according to claim 1, wherein, The fixing assembly includes: The first sliding groove (14) is opened in the second fixed block (11) and is connected with the outside, the plug (15) is slidably connected in the first sliding groove (14), one end of the plug (15) penetrates through the side of the first fixed block (6) and extends into the first fixed block (6) and is inserted and matched with the first fixed block (6), the extrusion groove (16) is opened in the plug (15), the other end of the plug (15) is fixedly connected with the second spring (17) fixedly connected with the inner wall of the first sliding groove (14); The second sliding groove (18) is opened on the inner wall of the first sliding groove (14) and is connected with the outside, the extrusion block (19) is slidably connected in the second sliding groove (18), and one end of the extrusion block (19) extends into the extrusion groove (16).
4. The high strength exhaust cylinder welded bearing seat structure according to claim 3, wherein, The extrusion groove (16) is inclined.
5. The high strength exhaust cylinder welded bearing seat structure according to claim 3, wherein, One end of the extrusion block (19) is inserted and matched with the extrusion groove (16).
6. The high strength exhaust cylinder welded bearing seat structure according to claim 3, wherein One end of the extrusion block (19) is inclined.
7. The high strength exhaust cylinder welded bearing seat structure according to claim 1, wherein, The pressure block (9) is located in the oil tank (2) and is slidably connected with the oil tank (2).