Turbine cylinder detection tool
By designing a turbine cylinder detection tool including a clamping mechanism and a detection mechanism, the problem of low detection efficiency in the prior art is solved, automatic flip and detection of cylinders are realized, and detection efficiency is improved.
Patent Information
- Application Number
- CN202421545711.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-02
AI Technical Summary
In the prior art, the cylinder detection efficiency of the turbine is low, and staff need to manually turn the cylinders to detect different surfaces. Due to different cylinder lengths, different positions need to be detected.
A steam turbine cylinder detection tool is designed, including a workbench, clamping mechanism and inspection mechanism. The clamping mechanism realizes the clamping and flip of the cylinder through the combination of a fixing plate, a rotor, a bidirectional screw and a motor; the detection mechanism realizes automatic detection of the flipped cylinder surface through a fixing frame, a cross rod, a threaded rod, an electric telescopic rod and a detection camera.
Through this detection tool, the cylinder can be automatically flipped and detected, which improves the detection efficiency and reduces the time and labor intensity of manual operation.
Smart Images

Figure CN222671004U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cylinder detection, and in particular relates to a turbine cylinder detection tool. Background Art
[0002] The turbine cylinder is the outer shell of the turbine. The steam turbine is one of the three main equipment in a thermal power plant. Its rotor and cylinder have very high processing precision, and the main components work in a high temperature and high pressure environment. The function of the cylinder is mainly to separate the flow part of the turbine (nozzle, baffle, rotor, etc.) from the atmosphere to ensure that the steam completes the work process in the turbine. In addition, it also supports certain stationary parts of the turbine (baffle, nozzle chamber, steam seal sleeve, etc.), bears their weight, and also bears the thermal stress caused by uneven temperature distribution along the axial and radial directions of the cylinder.
[0003] In the prior art, workers inspect the smoothness of the turbine cylinder surface by observing it with the naked eye. However, during the inspection process, workers need to manually flip the cylinder continuously to inspect different surfaces. Due to the different lengths of the cylinder, different positions need to be inspected, and the inspection efficiency is low.
[0004] Therefore, a turbine cylinder inspection tool is needed to solve the problem in the prior art that during the inspection process, the staff needs to manually flip the cylinder continuously to inspect different surfaces. Due to the different lengths of the cylinder, different positions need to be inspected, resulting in low inspection efficiency. Utility Model Content
[0005] The purpose of the utility model is to provide a steam turbine cylinder detection tool to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solutions: a steam turbine cylinder detection tool, comprising a workbench, a clamping mechanism is arranged at the top of the workbench, a detection mechanism is arranged at the top of the workbench above the clamping mechanism, and a supporting mechanism is arranged at the top of the workbench;
[0007] The clamping mechanism includes a fixed plate, a rotating wheel, a placement slot, a bidirectional screw, a limit plate, a first motor and a third motor. The fixed plate is fixedly installed on the top of the workbench, the rotating wheel is rotatably installed on one side of the fixed plate, the placement slot is opened on one side of the rotating wheel, the bidirectional screw is fixedly installed in the placement slot, the first motor is fixedly installed on one side of the rotating wheel, the first motor is fixedly connected to the bidirectional screw, the number of the limit plates is two, and the two limit plates are respectively threadedly installed on both sides of the bidirectional screw, the third motor is fixedly installed on the other side of the fixed plate, and the output end of the third motor is fixedly connected to the rotating wheel.
[0008] It should be noted in the scheme that the detection mechanism includes a fixed frame, a cross bar, a connecting groove, a threaded rod, a sliding block, a second motor, an electric telescopic rod and a detection camera. The fixed frame is fixedly installed on one side of the top end of the workbench, the cross bar is fixedly connected to the fixed frame, the connecting groove is opened at the top and bottom ends of the cross bar, the threaded rod is rotatably installed in the connecting groove, the sliding block is slidably connected to the connecting groove, the sliding block is threadedly connected to the threaded rod, the second motor is fixedly installed on one side of the cross bar, the output end of the second motor is fixedly connected to the threaded rod, the electric telescopic rod is fixedly installed at the bottom end of the sliding block, and the detection camera is fixedly installed at the bottom end of the electric telescopic rod.
[0009] It is further worth explaining that the supporting mechanism includes a receiving groove, a supporting platform and a cylinder. The receiving groove is opened at the top of the workbench, the supporting platform is located in the receiving groove, the cylinder is fixedly installed at the bottom end of the workbench, and the telescopic end of the cylinder is fixed to the bottom end of the supporting platform.
[0010] It should be further explained that sponge pads are provided on opposite sides of the two limiting plates, and the sponge pads are bonded and fixed to the limiting plates.
[0011] As a preferred implementation, a support rod is fixedly mounted on one side of the fixing frame, and the support rod is fixedly connected to the cross bar.
[0012] As a preferred embodiment, support legs are fixedly installed on both sides of the bottom end of the workbench, and rubber pads are fixedly installed on the bottom ends of the support legs.
[0013] Compared with the prior art, the steam turbine cylinder detection tool provided by the utility model has at least the following beneficial effects:
[0014] (1) By setting up structures such as a fixed plate, a rotating wheel, a placement groove, a bidirectional screw, a limit plate, a first motor and a third motor, it is convenient to clamp and flip the cylinder. By setting up structures such as a fixed frame, a cross bar, a connecting groove, a threaded rod, a sliding block, a second motor, an electric telescopic rod and a detection camera, it is convenient to detect the surface of the cylinder being flipped, thereby improving the detection efficiency.
[0015] (2) The arrangement of structures such as the receiving groove, the support platform and the cylinder facilitates the placement of the cylinder and the installation of the cylinder. The arrangement of the support rod enhances the connection strength. The arrangement of the rubber pad enhances the placement stability of the workbench. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;
[0018] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of area A in the middle.
[0019] In the figure: 1. workbench; 2. fixed plate; 3. rotating wheel; 4. placement groove; 5. bidirectional screw; 6. limit plate; 7. first motor; 8. fixed frame; 9. cross bar; 10. connecting groove; 11. threaded rod; 12. sliding block; 13. second motor; 14. electric telescopic rod; 15. detection camera; 16. receiving groove; 17. support table; 18. cylinder; 19. third motor; 20. support rod; 21. support leg. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-3 The utility model provides a steam turbine cylinder detection tool, including a workbench 1, a clamping mechanism is arranged on the top of the workbench 1, a detection mechanism is arranged on the top of the workbench 1 above the clamping mechanism, a supporting mechanism is arranged on the top of the workbench 1, the clamping mechanism includes a fixing plate 2, a rotating wheel 3, a placement groove 4, a bidirectional screw 5, a limiting plate 6, a first motor 7 and a third motor 19, the fixing plate 2 is fixedly installed on the top of the workbench 1, the rotating wheel 3 is rotatably installed on one side of the fixing plate 2, the placement groove 4 is opened on one side of the rotating wheel 3, the bidirectional screw 5 is fixedly installed in the placement groove 4, the first motor 7 is fixedly installed on one side of the rotating wheel 3, the first motor 7 is fixedly connected to the bidirectional screw 5, the number of the limiting plates 6 is two, and the two limiting plates 6 are respectively threadedly installed on both sides of the bidirectional screw 5, the third motor 19 is fixedly installed on the other side of the fixed plate 2, and the output end of the third motor 19 is fixedly connected to the rotating wheel 3. Through the arrangement of the fixed plate 2, the rotating wheel 3, the placement groove 4, the bidirectional screw 5, the limiting plate 6, the first motor 7 and the third motor 19 and other structures, it is convenient to clamp and flip the cylinder.
[0022] Further as Figure 1 , Figure 2 and Figure 3As shown, it is worth specifically explaining that the detection mechanism includes a fixed frame 8, a cross bar 9, a connecting groove 10, a threaded rod 11, a sliding block 12, a second motor 13, an electric telescopic rod 14 and a detection camera 15. The fixed frame 8 is fixedly installed on one side of the top of the workbench 1, the cross bar 9 is fixedly connected to the fixed frame 8, the connecting groove 10 is opened at the top and bottom of the cross bar 9, the threaded rod 11 is rotatably installed in the connecting groove 10, the sliding block 12 is slidably connected to the connecting groove 10, the sliding block 12 is threadedly connected to the threaded rod 11, the second motor 13 is fixedly installed on one side of the cross bar 9, the output end of the second motor 13 is fixedly connected to the threaded rod 11, the electric telescopic rod 14 is fixedly installed at the bottom end of the sliding block 12, and the detection camera 15 is fixedly installed at the bottom end of the electric telescopic rod 14. Through the arrangement of structures such as the fixed frame 8, the cross bar 9, the connecting groove 10, the threaded rod 11, the sliding block 12, the second motor 13, the electric telescopic rod 14 and the detection camera 15, it is convenient to detect the surface of the cylinder being flipped, and the detection efficiency is improved.
[0023] This solution has the following working process: when the turbine cylinder is being inspected and repaired, the cylinder is placed on a supporting mechanism, and the first motor 7 is started to drive the bidirectional screw 5 to rotate, so that the two limit plates 6 move to clamp the cylinder, and the third motor 19 is started to drive the wheel 3 to rotate to flip the cylinder, and the second motor 13 is started to drive the threaded rod 11 to rotate, so that the sliding block 12 moves, and the detection camera 15 moves to detect different positions of the cylinder 18, thereby improving the detection effect and enhancing practicality.
[0024] According to the above working process, it can be known that: through the arrangement of structures such as the fixed plate 2, the rotating wheel 3, the placement groove 4, the bidirectional screw 5, the limit plate 6, the first motor 7 and the third motor 19, it is convenient to clamp and flip the cylinder; through the arrangement of structures such as the fixed frame 8, the cross bar 9, the connecting groove 10, the threaded rod 11, the sliding block 12, the second motor 13, the electric telescopic rod 14 and the detection camera 15, it is convenient to detect the surface of the cylinder being flipped, thereby improving the detection efficiency.
[0025] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that the supporting mechanism includes a receiving groove 16, a supporting platform 17 and a cylinder 18. The receiving groove 16 is opened at the top of the workbench 1, the supporting platform 17 is located in the receiving groove 16, and the cylinder 18 is fixedly installed at the bottom end of the workbench 1. The telescopic end of the cylinder 18 is fixed to the bottom end of the supporting platform 17. Through the arrangement of the receiving groove 16, the supporting platform 17 and the cylinder 18 and other structures, it is convenient to place the cylinder and install the cylinder.
[0026] Further as Figure 1 , Figure 2 and Figure 3As shown, it is worth explaining in detail that sponge pads are provided on the opposite sides of the two limit plates 6, and the sponge pads are bonded and fixed to the limit plates 6. Through the setting of the sponge pads, damage to the cylinder can be avoided as much as possible. A support rod 20 is fixedly installed on one side of the fixed frame 8, and the support rod 20 is fixedly connected to the cross bar 9. Through the setting of the support rod 20, the connection strength is enhanced. Support legs 21 are fixedly installed on both sides of the bottom end of the workbench 1, and rubber pads are fixedly installed on the bottom ends of the support legs 21. Through the setting of the rubber pads, the placement stability of the workbench 1 is enhanced.
[0027] In summary: through the arrangement of structures such as the fixed plate 2, the rotating wheel 3, the placement groove 4, the bidirectional screw 5, the limit plate 6, the first motor 7 and the third motor 19, it is convenient to clamp and flip the cylinder; through the arrangement of structures such as the fixed frame 8, the cross bar 9, the connecting groove 10, the threaded rod 11, the sliding block 12, the second motor 13, the electric telescopic rod 14 and the detection camera 15, it is convenient to detect the surface of the cylinder being flipped, thereby improving the detection efficiency; through the arrangement of structures such as the accommodating groove 16, the support platform 17 and the cylinder 18, it is convenient to place the cylinder and facilitate the installation of the cylinder; through the arrangement of the support rod 20, the connection strength is enhanced; through the arrangement of the rubber pad, the placement stability of the workbench 1 is enhanced.
[0028] The detection camera 15, the first motor 7, the second motor 13, the third motor 19, the electric telescopic rod 14 and the cylinder 18 can be purchased on the market. The detection camera 15, the first motor 7, the second motor 13, the third motor 19, the electric telescopic rod 14 and the cylinder 18 are equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so they are not repeated in the specification.
[0029] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
[0030] Finally: 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 in the protection scope of the present utility model.
Claims
1. A steam turbine cylinder inspection tool, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a clamping mechanism, the top of the workbench (1) is provided with a detection mechanism above the clamping mechanism, and the top of the workbench (1) is provided with a supporting mechanism; The clamping mechanism comprises a fixed plate (2), a rotating wheel (3), a placement groove (4), a bidirectional screw (5), a limiting plate (6), a first motor (7) and a third motor (19), wherein the fixed plate (2) is fixedly mounted on the top of the workbench (1), the rotating wheel (3) is rotatably mounted on one side of the fixed plate (2), the placement groove (4) is opened on one side of the rotating wheel (3), the bidirectional screw (5) is fixedly mounted in the placement groove (4), the first motor (7) is fixedly mounted on one side of the rotating wheel (3), the first motor (7) is fixedly connected to the bidirectional screw (5), the number of the limiting plates (6) is two, the two limiting plates (6) are respectively threadedly mounted on two sides of the bidirectional screw (5), the third motor (19) is fixedly mounted on the other side of the fixed plate (2), and the output end of the third motor (19) is fixedly connected to the rotating wheel (3).
2. A steam turbine cylinder inspection tool according to claim 1, characterized in that: The detection mechanism comprises a fixed frame (8), a cross bar (9), a connecting groove (10), a threaded rod (11), a sliding block (12), a second motor (13), an electric telescopic rod (14) and a detection camera (15), wherein the fixed frame (8) is fixedly mounted on one side of the top end of the workbench (1), the cross bar (9) is fixedly connected to the fixed frame (8), the connecting groove (10) is provided at the top end and the bottom end of the cross bar (9), the threaded rod (11) is rotatably mounted in the connecting groove (10), the sliding block (12) is slidably connected to the connecting groove (10), the sliding block (12) is threadedly connected to the threaded rod (11), the second motor (13) is fixedly mounted on one side of the cross bar (9), the output end of the second motor (13) is fixedly connected to the threaded rod (11), the electric telescopic rod (14) is fixedly mounted on the bottom end of the sliding block (12), and the detection camera (15) is fixedly mounted on the bottom end of the electric telescopic rod (14).
3. A steam turbine cylinder inspection tool according to claim 2, characterized in that: The support mechanism comprises a receiving groove (16), a support platform (17) and a cylinder (18); the receiving groove (16) is opened at the top end of the workbench (1); the support platform (17) is located in the receiving groove (16); the cylinder (18) is fixedly mounted on the bottom end of the workbench (1); and the telescopic end of the cylinder (18) is fixed to the bottom end of the support platform (17).
4. A steam turbine cylinder inspection tool according to claim 3, characterized in that: Sponge pads are provided on opposite sides of the two limiting plates (6), and the sponge pads are bonded and fixed to the limiting plates (6).
5. A steam turbine cylinder inspection tool according to claim 4, characterized in that: A support rod (20) is fixedly mounted on one side of the fixing frame (8), and the support rod (20) is fixedly connected to the cross rod (9).
6. A steam turbine cylinder inspection tool according to claim 1, characterized in that: Support legs (21) are fixedly mounted on both sides of the bottom end of the workbench (1), and rubber pads are fixedly mounted on the bottom ends of the support legs (21).