An in-well oil valve transmission device

Abstract

This utility model relates to an in-well oil valve transmission device, belonging to the field of oil valves. It includes a mounting housing, within which a worm gear is vertically mounted. The bottom end of the worm gear is rotatably connected to the bottom surface of the mounting housing, and a connecting shaft is fixedly mounted at its top end. The connecting shaft extends from inside the mounting housing to the top of the housing and connects to the vertical gear. A horizontal bar is provided horizontally within the mounting housing. One end of the horizontal bar is rotatably connected to the inner sidewall of the mounting housing, and the other end extends to the outer side of the housing and connects to an extension shaft. A worm wheel is fixedly fitted around the outer periphery of the horizontal bar, and the worm wheel cooperates with the worm gear. In this utility model, in response to emergencies, operators can quickly rotate the vertical bar outside the well to operate the oil valve, avoiding the cumbersome and time-consuming steps of traditional well-running operations, such as wearing protective equipment, slowly descending into the well, and painstakingly locating the valve. This greatly saves rescue time and minimizes accident losses.

Description

Technical Field

[0001] This utility model relates to the field of oil valves, and in particular to an in-well oil valve transmission device. Background Technology

[0002] In the complex operating system of a power plant, the lubrication system plays a crucial role, acting like the "circulatory system" of the equipment. It provides necessary lubrication and cooling for various critical components, ensuring stable and efficient operation. To guarantee the safety of this system under extreme emergency conditions, industry standards explicitly require power plant lubrication systems to be equipped with emergency drain valves. This device is a key line of defense for responding to emergencies, preventing the escalation of oil system failures, and ensuring the overall safety of the power plant. Currently, according to industry practice, the emergency drain valve and connecting pipelines are installed horizontally, housed entirely within the emergency drain valve well. While this design may have been based on considerations of space layout and equipment integration, it has revealed numerous problems that urgently need to be addressed during actual operation and emergency procedures.

[0003] From the operators' actual experience, the space layout of valve wells is extremely cramped. The narrow space inside the well restricts the operators' range of movement, making it almost impossible for them to move freely when performing their tasks. Operators have to crouch down and move sideways to barely get close to the valves to operate them, which not only greatly increases physical exertion but also poses a severe challenge to their physical coordination and endurance.

[0004] More importantly, the traditional method of operating emergency drain valves from the well is too time-consuming in responding to emergencies. In the instant an accident occurs, every second is crucial; rapid and effective accident handling can minimize losses and ensure the safety of personnel and equipment. However, from entering the valve well to operating the emergency drain valve, operators must go through a series of cumbersome and time-consuming steps, including putting on protective gear, slowly descending into the well, painstakingly locating the valve in a confined space, and performing the operation. This process not only wastes precious rescue time but may also cause the accident to worsen due to operational delays, resulting in incalculable losses to the power plant. Utility Model Content

[0005] In view of this, the present invention aims to provide a wastewater filtration device to solve the problems in the prior art.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] This utility model proposes an in-well oil valve transmission device, including a mounting shell. A worm gear is vertically installed inside the mounting shell. The bottom end of the worm gear is rotatably connected to the bottom surface of the mounting shell, and a connecting shaft is fixedly installed at the top end. The connecting shaft passes through the mounting shell to the top of the mounting shell and is connected to the vertical rod. A horizontal bar is provided in the mounting shell. One end of the horizontal bar is rotatably connected to the inner side wall of the mounting shell, and the other end passes through the outer side of the mounting shell and is connected to the extension shaft. A worm wheel is fixedly fitted on the outer periphery of the horizontal bar, and the worm wheel cooperates with the worm gear.

[0008] The free end of the extension shaft is fixedly connected to the oil valve operating wheel, and the vertical rod extends upward to the outside of the well.

[0009] Furthermore, a handwheel is fixedly provided at the top of the vertical rod.

[0010] Furthermore, the horizontal and vertical bars are arranged perpendicular to each other.

[0011] Furthermore, the vertical rod and the connecting shaft, as well as the horizontal rod and the extension shaft, are connected by connecting assemblies;

[0012] The connecting assembly includes a first connecting groove, a second connecting groove, and a fixing block. The first connecting groove is fixedly connected to a vertical rod or a horizontal rod, and the second connecting groove is fixedly connected to a connecting shaft or an extension shaft. The first connecting groove and the second connecting groove are staggered. The fixing block is located between the first connecting groove and the second connecting groove and is hinged to them respectively.

[0013] Furthermore, a telescopic assembly is fixedly provided at the end of the extension shaft. The telescopic assembly includes a fixed shaft and a telescopic shaft. The fixed shaft is fixedly connected to the extension shaft, and the telescopic shaft is slidably connected to the fixed shaft.

[0014] Furthermore, a transmission disc is fixedly provided at the end of the telescopic shaft, and the transmission disc is fixedly connected to the oil valve operating wheel.

[0015] Compared with the prior art, this utility model has the following advantages:

[0016] In this invention, the vertical rod extends outside the well, eliminating the need for operators to enter the valve well, thus overcoming spatial limitations and making operation more convenient. In response to emergencies, operators can quickly rotate the vertical rod from outside the well to operate the oil valve, avoiding the cumbersome and time-consuming steps of traditional well-entry operations, such as wearing protective gear, slowly descending into the well, and painstakingly positioning the valve. This greatly saves rescue time and minimizes accident losses. The worm gear drive has self-locking properties; the worm drives the worm wheel to rotate, but the worm wheel cannot drive the worm to rotate, preventing the oil valve from accidentally rotating due to external forces during operation, thus improving operational safety and reliability. Attached Figure Description

[0017] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the connection component structure of this utility model;

[0020] Figure 3 This is a schematic diagram showing the positions of the worm gear and worm of this utility model;

[0021] Figure 4 This is a schematic diagram of the worm gear and worm shaft and the mounting housing structure of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Vertical rod; 101. Handwheel; 2. Connecting assembly; 201. First connecting groove; 202. Second connecting groove; 203. Fixing block; 3. Connecting shaft; 301. Worm gear; 4. Horizontal rod; 401. Worm wheel; 5. Extension shaft; 6. Telescopic assembly; 601. Fixed shaft; 602. Telescopic shaft; 7. Transmission disc; 8. Mounting housing. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," and "back," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] Furthermore, in the description of this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0027] The following will refer to the appendix. Figures 1 to 4 The present invention will be described in detail with reference to the embodiments.

[0028] Overall, this utility model relates to an in-well oil valve transmission device, including a mounting shell 8, a worm gear 301 vertically mounted inside the mounting shell 8, the bottom end of the worm gear 301 being rotatably connected to the bottom surface of the inner side of the mounting shell 8, and a connecting shaft 3 fixedly mounted at the top end, the connecting shaft 3 passing through the inner side of the mounting shell 8 to the top of the mounting shell 8 and connecting to the vertical rod 1; a horizontal rod 4 is provided in the mounting shell 8 laterally, one end of the horizontal rod 4 being rotatably connected to the inner side wall of the mounting shell 8, and the other end passing through to the outer side of the mounting shell 8 and connecting to the extension shaft 5; a worm wheel 401 is fixedly fitted on the outer periphery of the horizontal rod 4, the worm wheel 401 cooperating with the worm gear 301; the free end of the extension shaft 5 is fixedly connected to the oil valve operating wheel, and the vertical rod 1 extends upward to the outside of the well.

[0029] In this embodiment, the vertical rod 1 extends outside the well, eliminating the need for operators to enter the valve well, thus overcoming spatial limitations and making operation more convenient. In response to emergencies, operators can quickly rotate the vertical rod 1 from outside the well to operate the oil valve, avoiding the cumbersome and time-consuming steps of traditional well-entry operations, such as wearing protective equipment, slowly descending into the well, and painstakingly positioning the valve, greatly saving rescue time and minimizing accident losses. The worm gear 301 and worm wheel 401 transmission have self-locking properties; the worm gear 301 drives the worm wheel 401 to rotate, while the worm wheel 401 cannot drive the worm gear 301 to rotate, preventing the oil valve from accidentally rotating due to external forces during operation, thus improving operational safety and reliability.

[0030] The entire transmission device is installed inside the valve well, with the vertical rod 1 extending upwards to the outside of the well. The oil valve is in normal operating condition, while the worm gear 301, worm wheel 401, and other transmission components are stationary. When an emergency occurs in the power plant's lubrication system, requiring operation of the emergency drain valve, the operator rotates the vertical rod 1 from outside the well. The vertical rod 1 drives the connecting shaft 3 to rotate, which in turn drives the worm gear 301 to rotate within the mounting housing 8. Since the worm wheel 401 cooperates with the worm gear 301, the rotation of the worm gear 301 drives the worm wheel 401 to rotate. The worm wheel 401 is fixedly mounted on the horizontal rod 4, thus driving the horizontal rod 4 to rotate within the mounting housing 8. The other end of the horizontal rod 4 extends through to the outside of the mounting housing 8 and connects to the extension shaft 5. The free end of the extension shaft 5 is fixedly connected to the oil valve operating wheel. The rotation of the horizontal rod 4 drives the oil valve operating wheel to rotate via the extension shaft 5, enabling the opening or closing of the oil valve inside the well, thus completing the emergency handling.

[0031] like Figure 1 As shown, it should be noted that, in order to facilitate the operator to rotate the vertical rod 1, a handwheel 101 is fixedly provided at the top of the vertical rod 1 in this embodiment.

[0032] like Figure 3As shown, it should be understood that the horizontal bar 4 and the vertical bar 1 are set perpendicular to each other. This configuration allows for a more direct force transmission when the operator rotates the vertical bar 1 outside the well. This improves operational stability and precision, enabling the operator to more easily and accurately control the opening and closing of the oil valve, and reducing operational errors caused by the complexity of the transmission structure.

[0033] Based on the above settings, such as Figure 1 and Figure 2 As shown, in this embodiment, the vertical rod 1 and the connecting shaft 3, and the horizontal rod 4 and the extension shaft 5 are connected by a connecting assembly 2. The connecting assembly 2 includes a first connecting groove 201, a second connecting groove 202, and a fixing block 203. The first connecting groove 201 is fixedly connected to the vertical rod 1 or the horizontal rod 4, and the second connecting groove 202 is fixedly connected to the connecting shaft 3 or the extension shaft 5. The first connecting groove 201 and the second connecting groove 202 are staggered. The fixing block 203 is located between the first connecting groove 201 and the second connecting groove 202 and is hinged to them respectively.

[0034] During installation, the first connecting groove 201 and the second connecting groove 202 are interlocked, and then the fixing block 203 is installed to complete the hinge connection. During disassembly, the fixing block 203 can be removed to easily separate the components. This configuration simplifies the installation and disassembly process between the vertical rod 1 and the connecting shaft 3, and between the horizontal rod 4 and the extension shaft 5, making it convenient for equipment maintenance, replacement and repair, and reducing maintenance costs and time.

[0035] In this embodiment, as Figure 1 As shown, a telescopic assembly 6 is fixedly provided at the end of the extension shaft 5. The telescopic assembly 6 includes a fixed shaft 601 and a telescopic shaft 602. The fixed shaft 601 is fixedly connected to the extension shaft 5, and the telescopic shaft 602 is slidably connected to the fixed shaft 601.

[0036] In actual installation scenarios, the horizontal distance between the oil valve and the extension shaft 5 may vary due to factors such as the layout of the valve well and differences in the installation position of the oil valve. The telescopic shaft 602 of the telescopic assembly 6 is slidably connected to the fixed shaft 601, allowing for flexible length adjustment. This enables the device to adapt to the operation requirements of oil valves at various distances without the need for custom-made or significantly modified equipment, thus reducing installation costs and time.

[0037] In addition, a transmission disc 7 is fixedly provided at the end of the telescopic shaft 602, and the transmission disc 7 is fixedly connected to the oil valve operating wheel. This configuration increases the contact area with the oil valve operating wheel. Compared with a direct point-to-point connection, this surface contact can transmit power more evenly, reduce wear or damage to the connection parts caused by local stress concentration, improve the stability and reliability of the transmission process, and reduce the probability of transmission failure.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A well oil valve transmission device, characterized in that: The system includes a mounting housing (8), inside which a worm gear (301) is vertically mounted. The bottom end of the worm gear (301) is rotatably connected to the bottom surface of the mounting housing (8), and the top end is fixedly mounted with a connecting shaft (3). The connecting shaft (3) passes through the mounting housing (8) to the top of the mounting housing (8) and is connected to the vertical rod (1). The mounting housing (8) has a horizontal rod (4). One end of the horizontal rod (4) is rotatably connected to the inner side wall of the mounting housing (8), and the other end passes through to the outer side of the mounting housing (8) and is connected to the extension shaft (5). A worm wheel (401) is fixedly fitted on the outer periphery of the horizontal rod (4), and the worm wheel (401) cooperates with the worm gear (301). The free end of the extension shaft (5) is fixedly connected to the oil valve operating wheel, and the vertical rod (1) extends upward to the outside of the well.

2. The well oil valve transmission device according to claim 1, characterized in that: A handwheel (101) is fixedly provided at the top of the vertical rod (1).

3. The in-well oil valve transmission device according to claim 1, characterized in that: The horizontal bar (4) and the vertical bar (1) are set perpendicular to each other.

4. The in-well oil valve transmission device according to claim 1, characterized in that: The vertical rod (1) and the connecting shaft (3), and the horizontal rod (4) and the extension shaft (5) are connected by a connecting assembly (2); The connecting assembly (2) includes a first connecting groove (201), a second connecting groove (202), and a fixing block (203). The first connecting groove (201) is fixedly connected to the vertical rod (1) or the horizontal rod (4). The second connecting groove (202) is fixedly connected to the connecting shaft (3) or the extension shaft (5). The first connecting groove (201) and the second connecting groove (202) are staggered. The fixing block (203) is located between the first connecting groove (201) and the second connecting groove (202) and is hinged to them respectively.

5. The well oil valve transmission device according to claim 1, characterized in that: The extension shaft (5) is fixedly provided with a telescopic component (6) at its end. The telescopic component (6) includes a fixed shaft (601) and a telescopic shaft (602). The fixed shaft (601) is fixedly connected to the extension shaft (5), and the telescopic shaft (602) is slidably connected to the fixed shaft (601).

6. The in-well oil valve transmission device according to claim 5, characterized in that: The end of the telescopic shaft (602) is fixedly provided with a transmission disc (7), and the transmission disc (7) is fixedly connected to the oil valve operating wheel.

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