Cleaning device for steam turbine blade production

By adjusting the nozzle position using a servo motor-driven connecting rod and gear system, combined with a water circulation system, the problem of low cleaning effect and efficiency caused by fixed nozzles is solved. This achieves efficient cleaning and water resource recycling, improving the practicality and economy of the turbine blade cleaning device.

CN223775509UActive Publication Date: 2026-01-09JIANGSU CHANGRUI POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423301916.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-09
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The nozzles of existing turbine blade cleaning devices are fixed in position and cannot be changed with the rotation of the blades, resulting in low cleaning effect and efficiency. Furthermore, the cleaning water cannot be recycled, increasing costs and wasting resources.

Method used

The nozzle is rotated with the blades by a connecting rod and gear system driven by a servo motor. Combined with a baffle plate and pump body, water is recycled. The nozzle position is dynamically adjusted by a combination of servo motor, connecting rod, belt, rotating rod, gear and toothed plate. Water filtration and circulation are achieved by baffle plate, detachable filter screen and pump body.

Benefits of technology

It improves cleaning effectiveness and efficiency, expands the cleaning range, ensures the stability of the nozzle position, and enables water recycling, reducing costs and resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steam turbine blade cleaning, and discloses a steam turbine blade production cleaning device which comprises a cleaning frame, a cleaning mechanism is arranged on the upper surface of the cleaning frame, and the cleaning mechanism comprises a fixing plate, an L-shaped plate, a servo motor, a connecting rod, a belt, a rotating rod, a gear and a toothed plate. The front face of the fixing plate is fixedly connected with the back face of a cleaning frame. According to the cleaning device for steam turbine blade production, through use of a servo motor, a connecting rod, a belt, a rotating rod, a gear and a toothed plate, the position of a limited steam turbine blade can be rotated through power action of the servo motor, the position of a spray head can be synchronously changed, and the effect of improving cleaning in reality is achieved; and therefore, the problems of how to rotate the turbine blades and change the position of the spray head are solved, the effect of wider cleaning range of the turbine blades can be achieved, and the position of the spray head can be changed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to turbine blade cleaning technical field, concretely is a kind of cleaning device for turbine blade production. BACKGROUND

[0002] Turbine blade is one of the key parts of turbine, it is subjected to high temperature, high pressure, huge centrifugal force, steam force, steam excitation force, corrosion and vibration and wet steam area water drop erosion under extremely harsh conditions, is one of important elements of the working stage of turbine, it is cleaned, is important link in the operation process of turbine, has important role to improve the efficiency and service life of turbine.

[0003] According to the turbine blade cleaning device of application No. CN202320622256.0, the scheme solves how to adjust the clamping position through blade clamping adjustment assembly, so that different size blades can be clamped on the clamp and cleaned.

[0004] But there are still the following problems in actual use process:

[0005] (1) when cleaning turbine blade, the position of spray head is fixed, cannot change the position of spray head while turbine blade rotates, so as to reduce the cleaning effect of turbine blade in reality, and also reduce cleaning efficiency in reality.

[0006] (2) cannot recycle cleaning water, so as to increase the cost in reality, also cause certain waste, not conducive to more sustainable and efficient operation in reality.

[0007] Therefore, the utility model puts forward a kind of cleaning device for turbine blade production. UTILITY MODEL CONTENTS

[0008] In view of the deficiencies of prior art, the utility model provides a kind of cleaning device for turbine blade production, with the advantages of changing the position of spray head when turbine blade rotates, and recycling water, solve the problems raised in background art.

[0009] The utility model provides following technical scheme: a cleaning device for steam turbine blade production, including cleaning frame, the upper surface of cleaning frame is provided with cleaning mechanism, the cleaning mechanism includes fixed plate, L type board, servo motor, connecting rod, belt, rotary rod, gear and toothed plate, the front surface of fixed plate is fixedly connected with the back of cleaning frame, the front surface of L type board is fixedly connected with the back of fixed plate, the front surface of servo motor is fixedly connected with the back of L type board, one end of connecting rod is fixedly connected with the output shaft of servo motor, the outer surface of connecting rod is transmission connection with the inside of belt, the outer surface of rotary rod is transmission connection with the inside of belt, the inside of gear is fixedly connected with the outer surface of rotary rod, the bottom of toothed plate is engaged with the outer surface of gear.

[0010] Preferably, the right side of the cleaning frame is provided with a circulating mechanism, the circulating mechanism comprises a water baffle, a detachable filter screen, a pump body and a delivery pipe, the left side of the water baffle is fixedly connected with the inside of the cleaning frame, the detachable filter screen is clamped to the inner wall of the cleaning frame, the water inlet of the pump body is fixedly connected with the inside of the cleaning frame, and the outer surface of one end of the delivery pipe is fixedly connected with the water outlet of the pump body.

[0011] Preferably, one end of the connecting rod is fixedly installed with a limiting rod, and the limiting rod is provided with a steam turbine blade at one end.

[0012] Preferably, the left and right sides of the cleaning frame are fixedly installed with rectangular plates, and the upper surface of the rectangular plate is fixedly installed with a receiving plate.

[0013] Preferably, the front surface of the toothed plate is fixedly installed with a connecting plate, the front surface of the connecting plate is fixedly installed with a receiving block, the inside of the receiving block is fixedly connected with the outer surface of one end of the delivery pipe, and the bottom of the receiving block is provided with a spray head.

[0014] Preferably, the bottom of the receiving plate is fixedly installed with a limiting plate, and the inside of the limiting plate is rotatably connected with the outer surface of the rotary rod.

[0015] Preferably, the periphery of the bottom of the cleaning frame is installed with supporting pads, and the upper surface of the supporting pad is fixedly connected with the bottom of the cleaning frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. This type of turbine blade cleaning device, through the use of a servo motor, connecting rod, belt, rotating rod, gear, and toothed plate, allows the turbine blades to be rotated and positioned by the power of the servo motor, simultaneously changing the position of the spray nozzle. This improves the cleaning effect in practice. The use of rectangular plates and receiving plates ensures the stability of the spray nozzle during use, achieving a more efficient spraying cleaning effect. The use of fixing plates and L-shaped plates stabilizes the position of the servo motor, achieving a more continuous effect when providing a power source. This solves the problem of how to rotate the turbine blades and change the position of the spray nozzle, achieving a wider cleaning range for turbine blades. The ability to change the position of the spray nozzle improves the corresponding cleaning effect and efficiency.

[0018] 2. This type of turbine blade cleaning device, through the use of baffles and detachable filters, can guide the sprayed water, thereby achieving the effect of guiding the sprayed water into the cleaning frame for filtration. Through the use of pumps and delivery pipes, the filtered water can be circulated and transported for reuse, achieving a more continuous effect during spray cleaning. This solves the problem of how to recycle the cleaning water, enabling it to be filtered and reused after cleaning, avoiding water waste, reducing related costs, and facilitating more sustainable and efficient use in practice. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This utility model Figure 1 A top-view structural diagram;

[0021] Figure 3 This utility model Figure 1 A schematic diagram of the cleaning mechanism;

[0022] Figure 4 This utility model Figure 1 A schematic diagram of the circulating mechanism.

[0023] In the diagram: 1. Cleaning frame; 2. Support pad; 3. Fixing plate; 4. L-shaped plate; 5. Servo motor; 6. Connecting rod; 7. Limiting rod; 8. Steam turbine blade; 9. Belt; 10. Rotating rod; 11. Limiting plate; 12. Gear; 13. Tooth plate; 14. Connecting plate; 15. Supporting block; 16. Nozzle; 17. Rectangular plate; 18. Supporting plate; 19. Water baffle; 20. Removable filter screen; 21. Pump body; 22. Delivery pipe; 23. Cleaning mechanism; 24. Circulation mechanism. Detailed Implementation

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figure 3 A cleaning device for steam turbine blade production, including cleaning frame 1, the upper surface of cleaning frame 1 is provided with cleaning mechanism 23, cleaning mechanism 23 includes fixed plate 3, L-shaped plate 4, servo motor 5, connecting rod 6, belt 9, rotating rod 10, gear 12 and toothed plate 13, the front of fixed plate 3 is fixedly connected with the back of cleaning frame 1, the front of L-shaped plate 4 is fixedly connected with the back of fixed plate 3, the front of servo motor 5 is fixedly connected with the back of L-shaped plate 4, one end of connecting rod 6 is fixedly connected with the output shaft of servo motor 5, the inside of belt 9 is drivingly connected with the outer surface of connecting rod 6, the outer surface of rotating rod 10 is drivingly connected with the inside of belt 9, the inside of gear 12 is fixedly connected with the outer surface of rotating rod 10, the bottom of toothed plate 13 is engaged with the outer surface of gear 12, one end of connecting rod 6 is fixedly installed with limit rod 7, one end of limit rod 7 is provided with steam turbine blade 8, the left and right sides of cleaning frame 1 are fixedly installed with rectangular plate 17, the upper surface of rectangular plate 17 is fixedly installed with bearing plate 18, the front of toothed plate 13 is fixedly installed with connecting plate 14, the front of connecting plate 14 is fixedly installed with bearing block 15, and the inside of bearing block 15 is fixedly connected with the outer surface of one end of conveying pipe 22, the bottom of bearing block 15 is provided with spray head 16, the bottom of bearing plate 18 is fixedly installed with limit plate 11, the inside of limit plate 11 is rotatably connected with the outer surface of rotating rod 10, through the use of fixed plate 3, L-shaped plate 4, servo motor 5, connecting rod 6, belt 9, rotating rod 10, gear 12 and toothed plate 13, the effect that the range is wider when cleaning steam turbine blade 8 can be achieved, the position of spray head 16 can be changed, the corresponding cleaning effect and the efficiency of related cleaning can be improved, through the use of rectangular plate 17 and bearing plate 18, the stability when cleaning is achieved.

[0026] Please refer to Figure 4The right side of the cleaning frame 1 is provided with a circulating mechanism 24, which comprises a water baffle 19, a detachable filter screen 20, a pump body 21 and a conveying pipe 22. The left side of the water baffle 19 is fixedly connected with the inside of the cleaning frame 1. The periphery of the detachable filter screen 20 is clamped with the inner wall of the cleaning frame 1. The water inlet of the pump body 21 is fixedly connected with the inside of the cleaning frame 1. The outer surface of one end of the conveying pipe 22 is fixedly connected with the water outlet of the pump body 21. Through the use of the water baffle 19, the detachable filter screen 20, the pump body 21 and the conveying pipe 22, the effect of filtering and reusing after cleaning can be achieved, the waste of water resources is avoided, the relevant cost can be reduced, and the continuous and efficient use in reality is facilitated.

[0027] Please refer to Figure 1 and Figure 2 The periphery of the bottom of the cleaning frame 1 is provided with a support pad 2, and the upper surface of the support pad 2 is fixedly connected with the bottom of the cleaning frame 1. Through the use of the support pad 2, the stability of the whole during use can be ensured, the phenomenon of shaking during use is avoided, and the safety of the whole during use is improved.

[0028] The working principle is that when the steam turbine blade 8 is cleaned, the position of the steam turbine blade 8 can be limited on the limiting rod 7 through the action of the limiting rod 7, then the servo motor 5 fixedly installed on the back of the L-shaped plate 4 can be started, the rotation of the steam turbine blade 8 can be driven through the power action of the servo motor 5, a comprehensive cleaning operation can be performed on the steam turbine blade 8, at the same time, the position of the rotating rod 10 can be rotated through the action of the transmission belt 9 on the outer surface of the connecting rod 6, and the gear 12 fixedly installed on the outer surface of the rotating rod 10 can be engaged with the toothed plate 13, so that the change of the position of the spray head 16 is driven, the change of the position of the spray head 16 can be synchronized with the rotation of the steam turbine blade 8, and finally the steam turbine blade 8 is cleaned through the spraying of the spray head 16.

[0029] When the cleaning water is recycled, the water can fall after cleaning the steam turbine blade 8 through the spraying of the spray head 16, then the water can be introduced into the inside of the cleaning frame 1 through the action of the water baffle 19 arranged in the inside of the cleaning frame 1, the water can be filtered through the action of the detachable filter screen 20 arranged in the inside of the cleaning frame 1, and after the filtering is completed, the filtered water can be conveyed to the inside of the spray head 16 through the conveying pipe 22 for recycling operation through the power action of the pump body 21.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A cleaning device for steam turbine blade production, characterized by: The utility model provides a kind of cleaning frame (1), the upper surface of the cleaning frame (1) is provided with cleaning mechanism (23), the cleaning mechanism (23) includes fixed plate (3), L type plate (4), servo motor (5), connecting rod (6), belt (9), rotating rod (10), gear (12) and toothed plate (13), the front surface of the fixed plate (3) is fixedly connected with the back surface of cleaning frame (1), the front surface of the L type plate (4) is fixedly connected with the back surface of fixed plate (3), the front surface of the servo motor (5) is fixedly connected with the back surface of L type plate (4), one end of the connecting rod (6) is fixedly connected with the output shaft of servo motor (5), the inner portion of the belt (9) is drivingly connected with the outer surface of connecting rod (6), the outer surface of the rotating rod (10) is drivingly connected with the inner portion of belt (9), the inner portion of the gear (12) is fixedly connected with the outer surface of rotating rod (10), the bottom of the toothed plate (13) is engaged with the outer surface of gear (12).

2. A cleaning device for producing a turbine blade according to claim 1, characterized in that: The right side of the cleaning frame (1) is provided with circulating mechanism (24), the circulating mechanism (24) includes water baffle (19), detachable filter screen (20), pump body (21) and delivery pipe (22), the left side of the water baffle (19) is fixedly connected with the inner portion of cleaning frame (1), the detachable filter screen (20) is clamped to the inner wall of cleaning frame (1) around, the water inlet of the pump body (21) is fixedly connected with the inner portion of cleaning frame (1), one end of the delivery pipe (22) is fixedly connected with the water outlet of pump body (21) outer surface.

3. The cleaning device for producing a steam turbine blade according to claim 1, characterized by: One end of the connecting rod (6) is fixedly installed with limit rod (7), one end of the limit rod (7) is provided with steam turbine blade (8).

4. The cleaning device for producing a steam turbine blade according to claim 1, characterized by: The left and right sides of the cleaning frame (1) are fixedly installed with rectangular plate (17), the upper surface of the rectangular plate (17) is fixedly installed with receiving plate (18).

5. The cleaning device for producing a turbine blade according to claim 1, characterized by: The front surface of the toothed plate (13) is fixedly installed with connecting plate (14), the front surface of the connecting plate (14) is fixedly installed with receiving block (15), and the inner portion of the receiving block (15) is fixedly connected with the outer surface of one end of delivery pipe (22), the bottom of the receiving block (15) is provided with spray head (16).

6. A cleaning device for producing a turbine blade according to claim 4, characterized in that: The bottom of the receiving plate (18) is fixedly installed with limit plate (11), the inner portion of the limit plate (11) is rotatably connected with the outer surface of rotating rod (10).

7. The cleaning device for producing a steam turbine blade according to claim 1, characterized by: The periphery of the bottom of the cleaning frame (1) is installed with support pad (2), and the upper surface of the support pad (2) is fixedly connected with the bottom of the cleaning frame (1).

Citation Information

Patent Citations

  • Turbine blade cleaning device

    CN219503317U