Flaw detection device for TRT blade

Abstract

The utility model discloses a flaw detection device for TRT blades, and relates to the technical field of blade flaw detection, the flaw detection device comprises a base, two bearing columns are fixedly connected to the two sides of the outer surface of the bottom of the base, a moving platform is arranged above the base, and two sliding convex grooves are formed in the outer surface of the bottom of the moving platform in parallel; two sets of sliding grooves and a set of lead screws are arranged on the base in parallel, the lead screws are located between the two sets of sliding grooves, two sets of first electric cylinders are arranged on the outer surface of the side, away from the base, of the movable platform, and a first output rod is arranged above each set of first electric cylinder; a lifting chamber is arranged on the outer surface of the other side of the first output rod, a control chamber is arranged on the outer surface of the front side of the lifting chamber, a motor chamber is arranged in the lifting chamber, a first motor is arranged in the motor chamber, through cooperation of the structures, the internal defects of the TRT blade can be effectively detected, and the blade quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of workpiece processing, and specifically relates to a flaw detection device for TRT blades. Background Art

[0002] The TRT blade flaw detection device is a precision instrument designed specifically for detecting internal defects of blades. It adopts advanced ultrasonic technology and can quickly and accurately detect potential hazards such as cracks and pores in the blades, ensuring the safe and reliable operation of the blades. This device is easy to operate and has high efficiency, and is a powerful assistant for ensuring the quality of blades.

[0003] The utility model with the publication number CN219675850U in Chinese discloses a flaw detection device for TRT blades, including a flaw detection device main body, a device top frame, a scanning and transmission main body, a fixed bracket, and a rotating disk. A device top frame is arranged at the top of the flaw detection device main body, and a fixed bracket is arranged on the right side of the flaw detection device main body. A scanning and transmission main body is arranged inside the fixed bracket, a rotating disk is arranged on the inner wall of the flaw detection device main body, and a blade reinforcement end is arranged at the top of the flaw detection device main body.

[0004] In the process of implementing this application, it is found that this technology has the following problems: In the above patent document, the specifications of the blade bearing device of the flaw detection device are fixed and difficult to adjust, which limits the detection ability for blades of different sizes and affects the flexibility of use.

[0005] Therefore, a flaw detection device for TRT blades is proposed. Summary of the Utility Model

[0006] The purpose of the utility model is: In order to improve the detection ability of the flaw detection device for blades of different sizes and improve the flaw detection efficiency of TRT blades, this application provides a flaw detection device for TRT blades.

[0007] The technical solution adopted by the utility model is as follows:

[0008] A flaw detection device for TRT blades includes a base. Two groups of load-bearing columns are fixedly connected to both sides of the outer surface of the bottom of the base. Two groups of universal wheels are arranged on the outer surface of the bottom of each of the two groups of load-bearing columns. A moving platform is arranged above the base. Two groups of sliding convex grooves are arranged in parallel on the outer surface of the bottom of the moving platform. Two groups of sliding grooves and a lead screw are arranged in parallel on the base, and the lead screw is located between the two groups of sliding grooves;

[0009] On the outer surface of one side of the mobile platform away from the base, there are two groups of first electric cylinders. Above each group of first electric cylinders, there is a first output rod. On the outer surface of the other side of the first output rod, there is a lifting chamber. On the outer surface of the front side of the lifting chamber, there is a control chamber. Inside the lifting chamber, there is a motor chamber, and the motor chamber includes a first motor.

[0010] Further, the output end of the first motor is fixedly connected to a first rotating rod, the first rotating rod is rotatably connected to the upper surface of the lifting chamber, and at the other end of the first rotating rod, there is a rotating block.

[0011] Further, on the outer surface of the left side of the rotating block, there is a fixed platform. On the outer surface of one side of the fixed platform away from the first motor, there is a motor limit sleeve, and between the motor limit sleeve and the fixed platform, there are several groups of limit nuts.

[0012] Further, a second motor is limitedly arranged between the motor limit sleeves. The output end of the second motor is provided with a second rotating rod, and the second rotating rod penetrates through the other end of the rotating block, and on the outer surface, there is a rotating shaft seat. Four groups of rotating shafts are evenly arranged around the rotating shaft seat.

[0013] Further, on the outer periphery of the other end of each group of rotating shafts, there is a telescopic flaw detection chamber. Inside the telescopic flaw detection chamber, there is a second electric cylinder, and the output end of each group of second electric cylinders is provided with a second output rod. At the other end of each group of second output rods, there is a flaw detector head.

[0014] Further, the first electric cylinders and the first electric cylinders are both electrically connected to an external power source.

[0015] Further, a thread sleeve is arranged around the lead screw. The outer surface of the top of the thread sleeve is fixedly connected to the mobile platform. On the outer surface of the left side of the base, there is a third motor, and the output end of the third motor is fixedly connected to the lead screw.

[0016] To sum up, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0017] 1. In the present utility model, when using the flaw detection device to detect the TRT blade, by pushing the base to make the universal wheels at its bottom rotate in time, the flaw detection device is moved to a suitable position. The corresponding third motor is started to make the lead screw connected to its output end rotate. The rotation of the lead screw drives the mobile platform around it to move horizontally. When the mobile platform is moved to the same parallel line as the blade, the corresponding two groups of first electric cylinders are started through the control chamber. The first electric cylinders make the first output rods connected to their output ends move longitudinally. The longitudinal movement of the first output rods drives the corresponding lifting chambers to move longitudinally until the flaw detection device is flush with the corresponding blade, and then the corresponding first electric cylinders are braked.

[0018] 2. In the present utility model, by starting the corresponding first motor, the first rotating rod connected to the output end thereof rotates. The rotation of the first rotating rod drives the corresponding rotating block to rotate. When the corresponding rotating shaft is adjusted to an appropriate angle, the first motor is braked. Then, the corresponding second motor is started to make the second rotating rod connected to the output end thereof rotate. The rotation of the second rotating rod drives the rotating shaft seat to rotate, and multiple groups of rotating shafts connected to the rotating shaft seat are adjusted to appropriate positions. Multiple flaw detectors provided on the rotating shafts are used to detect different positions of the blade, so that blades of different sizes can be flexibly detected, improving the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the flaw detection assembly of the present utility model;

[0021] Figure 3 In the present utility model Figure 1 is a detailed view of part A;

[0022] Figure 4 In the present utility model Figure 1 is a detailed view of part B.

[0023] In the figure: 1 - base; 2 - load-bearing column; 3 - universal wheel; 4 - lead screw; 5 - first output rod; 6 - motor chamber; 7 - first motor; 8 - first rotating rod; 9 - rotating shaft; 10 - control room; 11 - first electric cylinder; 12 - moving platform; 13 - sliding convex groove; 14 - sliding concave groove; 15 - rotating block; 16 - rotating shaft seat; 17 - second rotating rod; 18 - second motor; 19 - fixed platform; 20 - motor limit sleeve; 21 - limit nut; 22 - telescopic flaw detection chamber; 23 - second electric cylinder; 24 - second output rod; 25 - flaw detector; 26 - third motor; 27 - lifting chamber; 28 - threaded sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0025] Refer to Figures 1 - 4, A flaw detection device for TRT blades, including a lifting main body 1. On both sides of the bottom outer surface of the base 1, two groups of load-bearing columns 2 are fixedly connected. On the bottom outer surface of each of the two groups of load-bearing columns 2, two groups of universal wheels 3 are provided. Above the base 1, a moving platform 12 is provided. On the bottom outer surface of the moving platform 12, two groups of sliding convex grooves 13 are arranged in parallel. On the base 1, two groups of sliding grooves 14 and a lead screw 4 are arranged in parallel, and the lead screw 4 is located between the two groups of sliding grooves 14. On the outer surface of one side of the moving platform 12 away from the base 1, two groups of first electric cylinders 11 are provided. Above each group of first electric cylinders 11, a first output rod 5 is provided. On the outer surface of the other side of the first output rod 5, a lifting chamber 27 is provided. On the front outer surface of the lifting chamber 27, a control chamber 10 is provided. Inside the lifting chamber 27, a motor chamber 6 is provided. Inside the motor chamber 6, there is a first motor 7. Specifically, through the cooperation of the above structures, the internal defects of the TRT blades can be effectively detected to ensure the quality of the blades.

[0026] Refer to Figures 1 - 4 , The output end of the first motor 7 is fixedly connected to a first rotating rod 8. The first rotating rod 8 is rotatably connected to the upper surface of the lifting chamber 27. At the other end of the first rotating rod 8, a rotating block 15 is provided. Specifically, the first electric cylinder 11 makes the first output rod 5 connected to its output end move longitudinally. The longitudinal movement of the first output rod 5 drives the corresponding lifting chamber 27 to move longitudinally until the flaw detection device is flush with the corresponding blade, and then the corresponding first electric cylinder 11 is braked. On the left outer surface of the rotating block 15, a fixed platform 19 is fixedly connected. On the outer surface of one side of the fixed platform 19 away from the first motor 7, a motor limit sleeve 20 is provided, and between the motor limit sleeve 20 and the fixed platform 19, several groups of limit nuts 21 are provided. Specifically, the rotating block 15 is connected to the motor limit sleeve 20 through the fixed platform 19, and the limit nuts 21 ensure the stability of the motor limit sleeve and provide a stable support and limiting function for the motor.

[0027] Refer to Figures 1 - 4 , A second motor 18 is limitedly arranged between the motor limit sleeves 20. The output end of the second motor 18 is provided with a second rotating rod 17, and the second rotating rod 17 passes through the other end of the rotating block 15 and a rotating shaft seat 16 is provided on its outer surface. Four groups of rotating shafts 9 are evenly arranged around the rotating shaft seat 16. Specifically, the second motor 18 drives the rotating shaft seat 16 to rotate through the second rotating rod 17, driving the four groups of rotating shafts 9 to rotate synchronously to achieve flexible multi-angle adjustment. On the outer periphery of the other end of each group of rotating shafts 9, a telescopic flaw detection chamber 22 is provided. Inside the telescopic flaw detection chamber 22, a second electric cylinder 23 is provided, and on the output end of each group of second electric cylinders 23, a second output rod 24 is provided. On the other end of each group of second output rods 24, a flaw detection head 25 is provided. Specifically, the telescopic flaw detection chamber 22 is internally provided with an electric cylinder 23 to drive the flaw detection head 25 to expand and contract to achieve flexible and precise flaw detection.

[0028] Refer to Figures 1 - 4, the first electric cylinders 11 and 11 are both electrically connected to an external power supply. Specifically, the electrical connection ensures stable power supply for the motor and the electric cylinders, guaranteeing their normal and efficient operation. A thread sleeve 28 is arranged around the lead screw 4, and the outer surface of the top of the thread sleeve 28 is fixedly connected to the moving platform 12. A third motor 26 is arranged on the outer surface of the left side of the base 1, and the output end of the third motor 26 is fixedly connected to the lead screw 4. Specifically, when the corresponding third motor 26 is started, the lead screw 4 connected to its output end rotates, and the rotation of the lead screw 4 drives the moving platform 12 around it to move horizontally.

[0029] The implementation principle of an embodiment of a flaw detection device for TRT blades in this application is as follows:

[0030] When using the flaw detection device to detect the TRT blade, by pushing the base 1 to make the universal wheels 3 at its bottom rotate in time, the flaw detection device is moved to a suitable position. The corresponding third motor 26 is started to make the lead screw 4 connected to its output end rotate. The rotation of the lead screw 4 drives the moving platform 12 around it to move horizontally. When the moving platform 12 is moved to the same parallel line as the blade, the corresponding two groups of first electric cylinders 11 are started through the control room 10. The first electric cylinders 11 make the first output rods 5 connected to their output ends move longitudinally. The longitudinal movement of the first output rods 5 drives the corresponding lifting chambers 27 to move longitudinally until the flaw detection device is flush with the corresponding blade, and then the corresponding first electric cylinders 11 are braked.

[0031] On the other hand, by starting the corresponding first motor 7 to make the first rotating rod 8 connected to its output end rotate, the rotation of the first rotating rod 8 drives the corresponding rotating block 15 to rotate. When the corresponding rotating shaft 9 is adjusted to a suitable angle, the first motor 7 is braked. The corresponding second motor 18 is started to make the second rotating rod 17 connected to its output end rotate. The rotation of the second rotating rod 17 drives the rotating shaft seat 16 to rotate, and the multiple groups of rotating shafts 9 connected to the rotating shaft seat 16 are adjusted to suitable positions. The multiple groups of flaw detectors 25 arranged on the rotating shafts 9 are used to detect different positions of the blade, and blades of different sizes can be flexibly detected, improving the flexibility of use.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A flaw detection device for TRT blades, comprising a base (1), characterized in that: On both sides of the outer surface of the bottom of the base (1), two sets of load-bearing columns (2) are fixedly connected. On the outer surface of the bottom of each of the two sets of load-bearing columns (2), two sets of universal wheels (3) are provided. Above the base (1), a moving platform (12) is provided. On the outer surface of the bottom of the moving platform (12), two sets of sliding convex grooves (13) are arranged in parallel. On the base (1), two sets of sliding grooves (14) and a lead screw (4) are arranged in parallel, and the lead screw (4) is located between the two sets of sliding grooves (14). On one side of the outer surface of the moving platform (12) away from the base (1), two sets of first electric cylinders (11) are provided. Above each set of first electric cylinders (11), a first output rod (5) is provided. On the outer surface of the other side of the first output rod (5), a lifting chamber (27) is provided. On the front outer surface of the lifting chamber (27), a control room (10) is provided. Inside the lifting chamber (27), a motor chamber (6) is provided, and inside the motor chamber (6) includes a first motor (7).

2. The flaw detection device for TRT blades according to claim 1, wherein: The output end of the first motor (7) is fixedly connected with a first rotating rod (8). The first rotating rod (8) is rotatably connected to the upper surface of the lifting chamber (27). At the other end of the first rotating rod (8), a rotating block (15) is provided.

3. The flaw detection device for TRT blades according to claim 2, wherein: On the left outer surface of the rotating block (15), a fixed platform (19) is fixedly connected. On the outer surface of one side of the fixed platform (19) away from the first motor (7), a motor limit sleeve (20) is provided, and between the motor limit sleeve (20) and the fixed platform (19), several sets of limit nuts (21) are provided.

4. The flaw detection device for TRT blades according to claim 3, characterized in that: Between the motor limit sleeves (20), a second motor (18) is limitedly arranged. The output end of the second motor (18) is provided with a second rotating rod (17), and the second rotating rod (17) penetrates through the rotating block (15). On the outer surface of the other end, a rotating shaft seat (16) is provided. Around the rotating shaft seat (16), four sets of rotating shafts (9) are evenly arranged.

5. The flaw detection device for TRT blades according to claim 4, characterized in that: Around the other end of each set of rotating shafts (9), a telescopic flaw detection chamber (22) is provided. Inside the telescopic flaw detection chamber (22), a second electric cylinder (23) is provided, and the output end of each set of second electric cylinders (23) is provided with a second output rod (24). At the other end of each set of second output rods (24), a flaw detection head (25) is provided.

6. The flaw detection device for TRT blades according to claim 4, characterized in that: The first electric cylinders (11) and the first electric cylinders (11) are both electrically connected to an external power source.

7. A flaw detection device for TRT blades according to claim 1, characterized in that: A threaded sleeve (28) is arranged around the lead screw (4). The top outer surface of the threaded sleeve (28) is fixedly connected with the moving platform (12). On the left outer surface of the base (1), a third motor (26) is provided. The output end of the third motor (26) is fixedly connected with the lead screw (4).

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