Leaking stoppage device for oil leakage of speed reducer of oil pumping unit
By designing the sealing components, sealing plates, and sealing gaskets, the problems of unstable sealing and difficult maintenance were solved, thereby improving sealing performance, simplifying maintenance operations, and increasing the operating efficiency of the pumping unit reducer.
Patent Information
- Application Number
- CN202520535911.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Existing gearbox oil leakage plugging devices suffer from inconsistent sealing depths between the gasket and the protective cover, resulting in unstable sealing performance. The gasket is prone to aging, wear, or displacement, and replacement or cleaning is difficult, affecting equipment maintenance efficiency and production efficiency.
The design employs sealing components (such as locking rods, return springs, pull rods, spring dampers, etc.) along with sealing plates and gaskets to achieve a stable connection between the gaskets and the reducer output shaft, and seamlessly connects with the protective cover and output shaft cover plate, ensuring sealing performance and simplifying maintenance operations.
It improves sealing performance, reduces equipment downtime, lowers maintenance difficulty and cost, and increases production efficiency.
Smart Images
Figure CN223635293U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pumping unit technical field especially is involved in a kind of plugging device for pumping unit reducer oil leakage. BACKGROUND
[0002] Pumping unit reducer oil leakage problem is one of the common equipment maintenance problems in oilfield production, mainly due to long-term operation, environmental factors and equipment aging and other reasons. In order to solve this problem, a series of plugging devices or measures are usually used to effectively reduce or prevent lubricating oil leakage, to ensure the normal operation of the equipment and prolong the service life.
[0003] The existing reducer oil leakage plugging device usually connects the sealing gasket with the output shaft of the reducer to prevent lubricating oil leakage. However, there are some challenges in actual application: due to the inconsistent installation depth between the reducer protective cover and the output shaft, the fit between the sealing gasket and the protective cover is difficult to ensure consistency and stability. This design defect makes the sealing gasket prone to aging, wear or displacement after long-term use, which affects its sealing effect. When the sealing gasket and the protective cover fit too well, the user will encounter great difficulty in trying to replace or clean the sealing gasket. This situation not only increases the complexity and time cost of maintenance work, but also may cause the equipment downtime to be prolonged, affecting production efficiency, and is inconvenient to use. SUMMARY
[0004] The utility model aims at providing a kind of plugging device for pumping unit reducer oil leakage, which can avoid the existing reducer oil leakage plugging device usually connecting sealing gasket with output shaft to prevent lubricating oil leakage, but due to inconsistent installation depth, the fit between sealing gasket and protective cover is unstable, prone to aging, wear or displacement, affecting sealing effect. In addition, when the sealing gasket and the protective cover fit too well, it becomes extremely difficult to replace or clean the sealing gasket.
[0005] The utility model provides a kind of plugging device for pumping unit reducer oil leakage, including reducer body, the output shaft of the reducer body is connected with cover plate by screw thread, the inner chamber of the cover plate is equipped with a plurality of connecting grooves, the inner chamber of the connecting groove is equipped with two symmetrically arranged clamping grooves, the surface of the rear side of the cover plate is provided with sealing assembly, the sealing assembly contains sealing plate, the inner chamber of the sealing plate is fixedly connected with a plurality of fixed boxes, and the fixed box is placed in the inner chamber of connecting groove, the inner chamber of the sealing plate is embeddedly connected with sealing washer.
[0006] In a specific embodiment, the inner chamber of the fixed box is rotatably connected with two symmetrically arranged rotating rods, and the surface of the rotating rod is fixedly connected with a push plate.
[0007] In an embodiment, the two sides of the push plate are provided with a first push rod and a second push rod, respectively, and the areas of the first push rod and the second push rod in contact with the push plate are rotationally connected through bearings.
[0008] In an embodiment, the inner cavity of the fixed box is slidably connected with two symmetrically arranged moving frames, and the inner sides of the moving frames are slidably connected with the surface of the first push rod.
[0009] In an embodiment, the bottom of the moving frame extends to the outside of the bottom of the fixed box and is fixedly connected with a clamping block, and one side of the clamping block is in contact with the inner cavity of the clamping groove.
[0010] In an embodiment, the inner cavity of the fixed box is slidably connected with a guide plate, one end of the second push rod is connected with one end of the guide plate, the inner cavity of the fixed box is provided with a spring damper, the top end of the spring damper is connected with the bottom of the guide plate, the top of the guide plate is fixedly connected with a pull rod, and the surface of the pull rod is provided with a plurality of locking holes.
[0011] In an embodiment, the inner cavity of the fixed box is fixedly connected with a welding plate, the inner cavity of the fixed box is slidably connected with a locking rod, one end of the locking rod is in contact with the inner cavity of the locking hole, the surface of the welding plate is provided with a return spring, one end of the return spring away from the welding plate is fixedly connected with the surface of the locking rod, and one end of the locking rod penetrates to the outside of the cover plate.
[0012] The application has the following beneficial effects: through the arrangement of the sealing assembly, stable connection between the sealing gasket and the sealing plate and the output shaft of the speed reducer can be effectively achieved, and seamless docking with the protective cover of the speed reducer and the cover plate of the output shaft during installation can be achieved. The sealing assembly not only improves the overall sealing performance of the equipment, but also significantly simplifies the maintenance operation. Specifically, during installation, the sealing gasket and the sealing plate are closely combined with the speed reducer body through the sealing assembly (such as the locking rod, the return spring, the pull rod, the spring damper, etc.), ensuring the consistency and stability between the parts. When the sealing gasket or the sealing plate needs to be replaced or cleaned, the user only needs to disassemble the cover plate to uniformly take out the sealing plate and the sealing gasket, greatly facilitating the subsequent maintenance work. This design not only reduces downtime, improves production efficiency, but also reduces maintenance difficulty and cost, making the whole process more efficient and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.
[0014] Figure 1 It is a whole structure perspective view of the embodiment of the present application.
[0015] Figure 2 It is a side view cross-section perspective view of the reducer body structure of the embodiment of the present application.
[0016] Figure 3 It is a whole state perspective view of the sealing assembly structure of the embodiment of the present application.
[0017] Figure 4 It is a perspective view of the sealing plate and cover plate structure in split state of the embodiment of the present application.
[0018] Figure 5 It is a perspective view of the fixed box structure of the embodiment of the present application.
[0019] Figure 6 It is a side view cross-section perspective view of the fixed box structure of the embodiment of the present application.
[0020] Figure 7 It is a perspective view of the guide plate structure of the embodiment of the present application.
[0021] Figure 8 It is a perspective view of the clamping groove structure of the embodiment of the present application.
[0022] Figure legend: 1, reducer body; 2, cover plate; 21, connecting groove; 22, clamping groove; 3, sealing assembly; 31, sealing plate; 32, fixed box; 33, sealing washer; 34, rotating rod; 35, push plate; 36, first push rod; 37, second push rod; 38, moving frame; 39, clamping block; 310, guide plate; 311, spring damper; 312, pull rod; 313, locking hole; 314, welding plate; 315, reset spring; 316, locking rod. DETAILED DESCRIPTION
[0023] The existing oil leakage blocking device of the reducer usually adopts a sealing gasket connected with the output shaft to prevent lubricating oil leakage, but due to inconsistent installation depth, the fit degree of the sealing gasket and the protective cover is unstable, and aging, wear or displacement easily occur, affecting the sealing effect. In addition, when the sealing gasket and the protective cover are too fit, it becomes extremely difficult to replace or clean the sealing gasket. Therefore, the inventor provides an oil leakage blocking device of a pumping unit reducer through research, and the stable connection between the sealing gasket and the sealing plate and the output shaft of the speed reducer can be realized through the setting of the sealing assembly (such as a locking rod, a return spring, a pull rod, a spring damper, etc.), and seamless docking with the protective cover and the output shaft cover plate is realized, the overall sealing performance is improved, the downtime is reduced, and the production efficiency is improved, thereby solving the above defects.
[0024] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.
[0025] Please refer to Figures 1 to 8The utility model discloses a kind of oil pumping unit reducer oil leakage's plugging device, including reducer body 1, the reducer body 1 is used with oil pumping unit, it is used as power source in the use process of oil pumping unit, the output shaft of reducer body 1 is connected with cover plate 2, the inner cavity of cover plate 2 is equipped with several connecting grooves 21, the inner cavity of connecting groove 21 is equipped with two symmetrically arranged clamping grooves 22, the surface of the rear side of cover plate 2 is provided with sealing assembly 3, sealing assembly 3 includes sealing plate 31, the inner cavity of sealing plate 31 is fixedly connected with several fixed boxes 32, and fixed box 32 is placed in the inner cavity of connecting groove 21, the inner cavity of sealing plate 31 is embeddedly connected with sealing washer 33, the surface of the sealing plate 31 and sealing washer 33 and reducer body 1 output shaft contact, to facilitate the sealing leakage of the oil liquid of output shaft, the inner cavity of fixed box 32 is rotatably connected with two symmetrically arranged rotary rods 34, the surface of rotary rod 34 is fixedly connected with push plate 35, the two sides of push plate 35 are respectively penetrated and arranged with first push rod 36 and second push rod 37, and the area of first push rod 36 and second push rod 37 and push plate 35 penetration contact is rotatably connected by bearing, the inner cavity of fixed box 32 is slidably connected with two symmetrically arranged moving frames 38, and the inner side of moving frame 38 is equipped with sliding cavity body movably connected with the surface of first push rod 36, the inner side of moving frame 38 is slidably connected with the surface of first push rod 36, the bottom of moving frame 38 extends to the outer side of the bottom of fixed box 32 and is fixedly connected with clamping block 39, and the inner cavity of one side of clamping block 39 and clamping groove 22 contact, and the two sides of the bottom of fixed box 32 are both equipped with penetration cavity, the inner cavity of fixed box 32 is slidably connected with guide plate 310, one end of second push rod 37 is connected with one end of guide plate 310, spring damper 311 is installed in the inner cavity of fixed box 32, the top of spring damper 311 is connected with the bottom of guide plate 310, the top of guide plate 310 is fixedly connected with pull rod 312, and the top of pull rod 312 penetrates to the outer side of cover plate 2 and is fixedly connected with pull ring convenient for user to pull, the surface of pull rod 312 is equipped with several locking holes 313;
[0026] Please refer to Figures 2 to 8 The inner cavity of fixed box 32 is fixedly connected with welding plate 314, the inner cavity of fixed box 32 is slidably connected with locking rod 316, one end of locking rod 316 contacts the inner cavity of locking hole 313, welding plate 314 is installed with return spring 315 on the surface, one end of return spring 315 away from welding plate 314 is fixedly connected with the surface of locking rod 316, and one end of locking rod 316 penetrates to the outer side of cover plate 2, and as further optimization, user can install elastic sealing gasket inside the cavity of cover plate 2 and locking rod 316 penetration contact, to this, wrap locking rod 316, and use elastic sealing gasket to press down locking rod 316, and the area of pull rod 312 and cover plate 2 penetration contact is sealed treatment;
[0027] Specifically, in the installation of the sealing plate 31, the sealing gasket 33 and the cover plate 2 and the output shaft of the speed reducer body 1, the user first places the sealing plate 31 and the fixed box 32 in the connecting groove 21, ensures that the sealing plate 31 is in close contact with the surface of the cover plate 2. Then, manually pull the locking rod 316 to move away from the locking hole 313, squeeze the reset spring 315 in the process, and then use the reset spring 315 to automatically reset the lock. Then, manually pull the pull rod 312 to move downward, squeeze the spring damper 311 and reset it by using its elasticity, the movement of the pull rod 312 drives the guide plate 310 to move synchronously, and then pushes the second push rod 37, so that the two push plates 35 swing in the opposite direction with the rotary rod 34 as the center. The push plate 35 drives the first push rod 36 to move, and promotes the two moving frames 38 to drive the clamping block 39 to move in the opposite direction, and finally clamps into the clamping groove 22 to complete the connection. After the connection is completed, the user pushes the cover plate 2 towards the sealing plate 31 and the sealing gasket 33, so that it enters the protective cover of the speed reducer body 1 and contacts with the output shaft. When it is necessary to replace or clean the sealing gasket 33, the sealing plate 31 and the sealing gasket 33 can be easily taken out by disassembling the cover plate 2, facilitating the maintenance operation.
[0028] In summary, the working principle of the oil leakage plugging device of the pumping unit speed reducer of the embodiment of the utility model is as follows: the user first connects the sealing assembly 3 with the cover plate 2, connects the sealing assembly 3 and the cover plate 2 on the surface of the output shaft of the speed reducer body 1, then the user pushes the sealing assembly 3 to the speed reducer body 1 output shaft through the cover plate 2 to adhere, after adhering, the user manually installs the cover plate 2 and the speed reducer body 1, so as to prevent the sealing assembly 3 from leaking oil on the output shaft of the speed reducer body 1, facilitating use.
[0029] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A leak-sealing device for oil leakage in a pumping unit reducer, comprising a reducer body (1), characterized in that, The output shaft of the reducer body (1) is threadedly connected to a cover plate (2). The inner cavity of the cover plate (2) is provided with several connecting grooves (21). The inner cavity of the connecting grooves (21) is provided with two symmetrically arranged slots (22). A sealing assembly (3) is provided on the rear surface of the cover plate (2). The sealing assembly (3) includes a sealing plate (31). The inner cavity of the sealing plate (31) is fixedly connected with several fixing boxes (32), and the fixing boxes (32) are placed in the inner cavity of the connecting grooves (21). A sealing gasket (33) is embedded in the inner cavity of the sealing plate (31).
2. The leak-sealing device for oil leakage in a pumping unit reducer according to claim 1, characterized in that, The inner cavity of the fixed box (32) is rotatably connected to two symmetrically arranged rotating rods (34), and a push plate (35) is fixedly connected to the surface of the rotating rods (34).
3. A leak-sealing device for oil leakage in a pumping unit reducer according to claim 2, characterized in that, The push plate (35) has a first push rod (36) and a second push rod (37) respectively through its two sides, and the areas of the first push rod (36) and the second push rod (37) in contact with the push plate (35) are rotatably connected by bearings.
4. A leak-sealing device for oil leakage in a pumping unit reducer according to claim 3, characterized in that, The inner cavity of the fixed box (32) is slidably connected to two symmetrically arranged movable frames (38), and the inner side of the movable frames (38) is slidably connected to the surface of the first push rod (36).
5. A leak-sealing device for oil leakage in a pumping unit reducer according to claim 4, characterized in that, The bottom of the movable frame (38) extends to the outside of the bottom of the fixed box (32) and is fixedly connected to a card block (39), and one side of the card block (39) is in contact with the inner cavity of the card slot (22).
6. A leak-sealing device for oil leakage in a pumping unit reducer according to claim 5, characterized in that, The inner cavity of the fixed box (32) is slidably connected to a guide plate (310). One end of the second push rod (37) is connected to one end of the guide plate (310). The inner cavity of the fixed box (32) is equipped with a spring damper (311). The top end of the spring damper (311) is connected to the bottom of the guide plate (310). The top of the guide plate (310) is fixedly connected to a pull rod (312). The surface of the pull rod (312) is provided with several locking holes (313).
7. A leak-sealing device for oil leakage in a pumping unit reducer according to claim 6, characterized in that, The inner cavity of the fixed box (32) is fixedly connected to a welding plate (314), and the inner cavity of the fixed box (32) is slidably connected to a locking rod (316). One end of the locking rod (316) is in contact with the inner cavity of the locking hole (313). A return spring (315) is installed on the surface of the welding plate (314). The end of the return spring (315) away from the welding plate (314) is fixedly connected to the surface of the locking rod (316), and one end of the locking rod (316) extends through to the outside of the cover plate (2).