Drilling machine for steam turbine blade

Abstract

The utility model discloses a drilling machine for steam turbine blades, which relates to the field of steam turbines and comprises a supporting bottom block, the bottom surface of the supporting bottom block is uniformly and fixedly connected with a bottom cushion block in a threaded manner, one side edge of the supporting bottom block is fixedly provided with a side motor, and the top surface of the supporting bottom block is horizontally butted with a rotating top tray; clamping blocks are symmetrically clamped to the top face of the rotating top disc, a top horizontal groove is horizontally formed in the top face of the supporting bottom block, a vertical stand rod is vertically and upwards in butt joint with the top face of the supporting bottom block, a top horizontal rod is horizontally and fixedly arranged at the top end of the vertical stand rod, and a vertical connecting block is in butt joint with the end, away from the vertical stand rod, of the top horizontal rod; a top motor is fixedly arranged at the top end of the vertical connecting block, a drilling motor is in butt joint with the side edge, away from the top horizontal rod, of the vertical connecting block, multi-point-position drilling use can be met by adopting a multi-angle adjusting structure, and meanwhile drilling is more accurate and efficient through an electric control structure.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a drilling machine for steam turbine blades. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam power device. High-temperature and high-pressure steam passes through a fixed nozzle and becomes an accelerated airflow, which is then sprayed onto the blades, causing the rotor with the blades to rotate and perform work externally. Steam turbines are the main equipment in modern thermal power plants and are also used in the metallurgical industry, chemical industry, and ship power devices.

[0003] When the current steam turbine is in use, the internal blade installation needs to be drilled. The traditional way is to hold the drill on a drilling machine and drill the holes, which makes it impossible to improve the drilling efficiency. At the same time, the handheld structure may cause dangerous situations. The use of a single direction drilling process makes it impossible to improve the drilling efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a drilling machine for steam turbine blades to solve the problem raised in the above background technology that when the current steam turbine is in use, the internal blade installation needs to be drilled, and the traditional way is to hold the drilling machine and place it on the drilling machine for drilling, so that the drilling efficiency cannot be improved, and the handheld structure may cause dangerous situations, and the use of a single direction drilling process makes it impossible to improve the drilling efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A drilling machine for turbine blades comprises a supporting bottom block, the bottom surface of the supporting bottom block is evenly threaded and fixedly connected with a bottom pad, one side of the supporting bottom block is fixedly provided with a side motor, the top surface of the supporting bottom block is horizontally butted with a rotating top plate, the top surface of the rotating top plate is symmetrically clamped with a clamping block, the top surface of the supporting bottom block is horizontally provided with a top horizontal groove, the top surface of the supporting bottom block is vertically butted with a vertical upright rod, the top end of the vertical upright rod is horizontally fixedly provided with a top horizontal rod, the top horizontal rod is butted with a vertical connecting block at one end away from the vertical upright rod, the top end of the vertical connecting block is fixedly provided with a top motor, and the vertical connecting block is butted with a drilling motor at one side away from the top horizontal rod. The machine comprises a bottom clamping block fixedly provided on the bottom surface of the rotating top plate, a rotating motor is fixedly provided on the inner side wall of the supporting bottom block, a transmission screw is horizontally inserted into the inner side edge of the top horizontal groove, a movable clamping block is welded on the bottom end of the vertical upright rod, an inner cylinder is horizontally fixedly provided on the inner side edge of the top horizontal rod, an inner motor is horizontally fixedly provided on the inner side wall of the top horizontal rod, an end clamping hole is opened at the end of the top horizontal rod away from the vertical upright rod, a side clamping block is fixedly provided on one side edge of the vertical connecting block, an adjusting screw is vertically inserted into the inner side edge of the vertical connecting block, a movable connecting block is fixedly provided on one side edge of the drilling motor, and a drilling head is connected to the output end of the drilling motor.

[0007] As a preferred embodiment of the present utility model: there are four bottom pads, and the top surface screws of the four bottom pads are all threadedly fixedly connected and arranged on the bottom surface of the supporting bottom block near the four corner screw holes, the side motor is fixedly arranged at a top corner position of one side of the supporting bottom block, and the output end of the side motor is horizontally extended and welded to one end of the transmission screw.

[0008] As a preferred embodiment of the utility model: the clamping blocks are arranged parallel to each other, and the bottom block of the clamping block is threadedly connected by a channel screw, the top horizontal groove is horizontally opened on the top surface of the supporting bottom block away from the side edge of the clamping block, the bottom end of the vertical rod is docked at the top open end of the top horizontal groove, and the top end of the vertical rod is fixedly set at one end of the bottom surface of the top horizontal rod.

[0009] As a preferred embodiment of the utility model: the center position of one side edge of the vertical connecting block is docked at the open end of the end clamping hole, the output end of the top motor is fixedly connected vertically downward to the top end of the adjusting screw, the top end of the bottom clamping block is fixedly set at the center position of the bottom surface of the rotating top plate, and the bottom end of the bottom clamping block is clamped inside the top surface clamping hole of the supporting bottom block.

[0010] As a preferred embodiment of the present utility model: the output end of the rotating motor extends vertically upward and is fixedly connected to the bottom center position of the bottom clamping block, the movable clamping block is clamped to the inner side of the top horizontal groove, the transmission screw is horizontally threaded and connected to the side screw hole position of the movable clamping block, the inner motor is horizontally fixed at one end away from the vertical pole, and the output end of the inner motor extends horizontally to the inner side of the end clamping hole, and the extended end is fixedly connected to the center position of one end of the side clamping block.

[0011] As a preferred embodiment of the utility model: one end of the side clamping block is fixedly set at the center position of one side of the vertical connecting block, and the other end is clamped on the inner side of the end clamping hole, the movable connecting block is clamped on the side groove position of the vertical connecting block, and the movable connecting block is threadedly connected to the outer side of the adjusting screw.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges the blades of the steam turbine in a disk shape and places them horizontally on the top surface of the rotating top disk, clamps and fixes the blades under the clamping of the clamping block, and then after the output end of the inner cylinder telescopes, the output end drives the top horizontal rod to form a telescopic movement, so that the vertical connecting block connected at one end is adjusted to a specified position on the top surface of the blade, and after the internal motor rotates, the output end drives the side clamping block to rotate inside the end clamping hole, so that the vertical connecting block at one end is rotated to a specified angle at one end of the top horizontal rod, and then after the output end of the top motor at the top is rotated, When the internal adjusting screw is rotated, it drives the movable connecting block to move downward in the side groove of the vertical connecting block, so that the side drilling motor moves downward. The rotation of the drilling motor causes the output end to drive the drilling head to perform drilling operations on the blades below. After the rotating motor at the bottom rotates, the output end drives the bottom clamping block to rotate on the top surface of the supporting bottom block, so that the rotating top plate that fixes the blades rotates to form multi-point drilling. The multi-angle adjustment structure is adopted to meet the needs of multi-point drilling. At the same time, the electric control structure makes the drilling more accurate and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 The figure is a three-dimensional structural diagram of a drilling machine for steam turbine blades;

[0016] Figure 2 It is a structural schematic diagram of the front view cross-sectional connection details of a support bottom block of a drilling machine for steam turbine blades;

[0017] Figure 3 It is a schematic diagram of the structure of the top view of the connection details of the support bottom block of a drilling machine for steam turbine blades;

[0018] Figure 4 It is a structural schematic diagram of the side view cross-sectional connection details of a vertical stand of a drilling machine for steam turbine blades;

[0019] Figure 5 The present invention is a structural schematic diagram showing the side view and cross-sectional connection details of a vertical connecting block of a drilling machine for steam turbine blades.

[0020] In the figure: 1. Support bottom block; 2. Bottom pad block; 3. Side motor; 4. Rotating top plate; 5. Clamping block; 6. Top horizontal slot; 7. Vertical upright rod; 8. Top horizontal rod; 9. Vertical connecting block; 10. Top motor; 11. Drilling motor; 12. Bottom clamping block; 13. Rotating motor; 14. Transmission screw; 15. Moving clamping block; 16. Inner cylinder; 17. Inner motor; 18. End clamping hole; 19. Side clamping block; 20. Adjusting screw; 21. Moving connecting block; 22. Drilling head. DETAILED DESCRIPTION

[0021] See also Figure 1 In an embodiment of the utility model, a drilling machine for turbine blades comprises a supporting bottom block 1, the bottom surface of the supporting bottom block 1 is evenly threadedly fixedly connected with a bottom pad 2, a side side of the supporting bottom block 1 is fixedly provided with a side motor 3, the number of the bottom pads 2 is four, and the top surface screws of the four bottom pads 2 are all threadedly fixedly connected and arranged inside the screw holes of the four corners on the bottom surface of the supporting bottom block 1, the side motor 3 is fixedly arranged at a top corner position of one side of the supporting bottom block 1, and the output end of the side motor 3 is horizontally extended and welded to one end of a transmission screw 14, the top surface of the supporting bottom block 1 is horizontally connected with a rotating top plate 4, the top surface of the rotating top plate 4 is symmetrically connected with a clamping block 5, the top surface of the supporting bottom block 1 is horizontally provided with a top horizontal groove 6, the top surface of the supporting bottom block 1 is vertically connected with a vertical upright rod 7, and the top of the vertical upright rod 7 A top horizontal rod 8 is fixedly arranged horizontally at the end, the clamping blocks 5 are arranged parallel to each other, and the bottom block of the clamping block 5 is threadedly connected by a channel screw, the top horizontal groove 6 is horizontally opened at a side position of the top surface of the supporting bottom block 1 away from the clamping block 5, the bottom end of the vertical upright rod 7 is docked at the top open end of the top horizontal groove 6, the top end of the vertical upright rod 7 is fixedly arranged at one end position of the bottom surface of the top horizontal rod 8, the top horizontal rod 8 is docked with a vertical connecting block 9 at the end away from the vertical upright rod 7, the top of the vertical connecting block 9 is fixedly provided with a top motor 10, the center position of one side of the vertical connecting block 9 is docked at the open end of the end clamping hole 18, the output end of the top motor 10 is fixedly connected vertically downward at the top end of the adjusting screw 20, and the vertical connecting block 9 is docked with a drilling motor 11 at a side away from the top horizontal rod 8;

[0022] See also Figure 2-5In the embodiment of the utility model, a drilling machine for turbine blades is provided, wherein a bottom clamping block 12 is fixedly provided on the bottom surface of a rotating top plate 4, the top end of the bottom clamping block 12 is fixedly provided at the center position of the bottom surface of the rotating top plate 4, and the bottom end of the bottom clamping block 12 is clamped and provided inside the clamping hole of the top surface of the supporting bottom block 1, and a rotating motor 13 is fixedly clamped on the inner side wall of the supporting bottom block 1, a transmission screw 14 is horizontally inserted into the inner side edge of the top horizontal groove 6, a moving clamping block 15 is welded on the bottom end of the vertical upright rod 7, an inner cylinder 16 is horizontally fixedly provided on the inner side edge of the top horizontal rod 8, and an inner motor 17 is horizontally fixedly provided on the inner side wall of the top horizontal rod 8, and the output end of the rotating motor 13 extends vertically upward and is fixedly connected and provided at the center position of the bottom end of the bottom clamping block 12, the moving clamping block 15 is clamped and provided on the inner side edge of the top horizontal groove 6, and the transmission screw 14 is horizontally threadedly connected and provided on the side of the moving clamping block 15 The position of the screw hole, the inner motor 17 is horizontally fixedly set at one end away from the vertical pole 7, and the output end of the inner motor 17 extends horizontally to the inner side of the end clamping hole 18, and the extended end is fixedly connected and set at the center position of one end of the side clamping block 19. The top horizontal rod 8 is provided with an end clamping hole 18 at the end away from the vertical pole 7. A side clamping block 19 is fixedly set on one side of the vertical connecting block 9, and an adjusting screw 20 is vertically inserted into the inner side of the vertical connecting block 9. A moving connecting block 21 is fixedly set on one side of the drilling motor 11, one end of the side clamping block 19 is fixedly set at the center position of one side of the vertical connecting block 9, and the other end is clamped on the inner side of the end clamping hole 18, the moving connecting block 21 is clamped on the side groove position of the vertical connecting block 9, and the moving connecting block 21 is threadedly connected to the outer side of the adjusting screw 20, and a drilling head 22 is connected to the output end of the drilling motor 11.

[0023] The working principle of the utility model is:

[0024] Arrange the turbine blades in a disc shape and place them horizontally on the top surface of the rotating top plate 4. Clamp the blades with the clamping block 5 to fix them. Then, after the output end of the inner cylinder 16 telescopes, the output end drives the top horizontal rod 8 to telescope, so that the vertical connecting block 9 connected at one end is adjusted to the specified position on the top surface of the blade. After the internal motor 17 rotates, the output end drives the side clamping block 19 to rotate inside the end clamping hole 18, so that the vertical connecting block 9 at one end is rotated to a specified angle at one end of the top horizontal rod 8. Then, after the output end of the top motor 10 at the top is rotated, the internal adjusting screw 20 is rotated, driving the movable connecting block 21 to move downward in the side groove of the vertical connecting block 9, and after the side drilling motor 11 moves downward, the rotation of the drilling motor 11 causes the output end to drive the drilling head 22 to punch holes in the blades below. After the rotating motor 13 at the bottom is rotated, the output end drives the bottom clamping block 12 to rotate on the top surface of the supporting bottom block 1, so that the rotating top plate 4 that fixes the blades rotates to form multi-point punching.

[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling machine for steam turbine blades, comprising a supporting bottom block (1), characterized in that: The bottom surface of the supporting bottom block (1) is evenly threadedly fixedly connected with a bottom pad block (2), one side of the supporting bottom block (1) is fixedly provided with a side motor (3), the top surface of the supporting bottom block (1) is horizontally connected with a rotating top plate (4), the top surface of the rotating top plate (4) is symmetrically connected with a clamping block (5), the top surface of the supporting bottom block (1) is horizontally provided with a top horizontal groove (6), the top surface of the supporting bottom block (1) is vertically connected with a vertical upright rod (7), the top of the vertical upright rod (7) is horizontally fixedly provided with a top horizontal rod (8), the top horizontal rod (8) is connected with a vertical connecting block (9) at one end away from the vertical upright rod (7), the top of the vertical connecting block (9) is fixedly provided with a top motor (10), the vertical connecting block (9) is connected with a drilling motor (11) at one side away from the top horizontal rod (8), the bottom surface of the rotating top plate (4) is fixed ... horizontally connected with a vertical upright rod (7), the top surface of the vertical upright rod (7) is horizontally fixedly provided with a top horizontal rod (8), the top surface of the vertical connecting block (9) is fixedly provided with a top motor (10), the top surface of the vertical connecting block (9) is connected with a drilling motor (11) A bottom clamping block (12) is provided, a rotating motor (13) is fixedly clamped on the inner side wall of the supporting bottom block (1), a transmission screw (14) is horizontally inserted into the inner side edge of the top horizontal groove (6), a moving clamping block (15) is welded to the bottom end of the vertical upright rod (7), an inner cylinder (16) is horizontally fixedly provided on the inner side edge of the top horizontal rod (8), an inner motor (17) is horizontally fixedly provided on the inner side wall of the top horizontal rod (8), an end clamping hole (18) is provided at the end of the top horizontal rod (8) away from the vertical upright rod (7), a side clamping block (19) is fixedly provided on one side edge of the vertical connecting block (9), an adjusting screw (20) is vertically inserted into the inner side edge of the vertical connecting block (9), a moving connecting block (21) is fixedly provided on one side edge of the drilling motor (11), and a drilling head (22) is connected to the output end of the drilling motor (11).

2. A steam turbine blade drilling machine according to claim 1, characterized in that: The number of the bottom pads (2) is four, and the top surface screws of the four bottom pads (2) are all threadedly fixedly connected and arranged on the bottom surface of the supporting bottom block (1) near the inside of the four corner screw holes, and the side motor (3) is fixedly arranged at a top corner position of one side of the supporting bottom block (1), and the output end of the side motor (3) is horizontally extended and welded to one end of the transmission screw (14).

3. A steam turbine blade drilling machine according to claim 1, characterized in that: The clamping blocks (5) are arranged in parallel with each other, and the bottom surface clamping blocks of the clamping blocks (5) are threadedly connected by a channel screw. The top horizontal groove (6) is horizontally opened at a side edge of the top surface of the supporting bottom block (1) away from the clamping block (5). The bottom end of the vertical upright rod (7) is butt-jointed with the top opening end of the top horizontal groove (6), and the top end of the vertical upright rod (7) is fixedly arranged at one end of the bottom surface of the top horizontal rod (8).

4. A steam turbine blade drilling machine according to claim 1, characterized in that: The center position of one side edge of the vertical connecting block (9) is docked with the open end of the end clamping hole (18), the output end of the top motor (10) is fixedly connected vertically downward to the top end of the adjusting screw (20), the top end of the bottom clamping block (12) is fixedly arranged at the center position of the bottom surface of the rotating top plate (4), and the bottom end of the bottom clamping block (12) is clamped inside the clamping hole on the top surface of the supporting bottom block (1).

5. The drilling machine for steam turbine blades according to claim 1, characterized in that: The output end of the rotating motor (13) is vertically extended upward and fixedly connected to the bottom center of the bottom clamping block (12); the moving clamping block (15) is clamped to the inner side of the top horizontal groove (6); the transmission screw (14) is horizontally threaded and connected to the side screw hole of the moving clamping block (15); the inner motor (17) is horizontally fixed at one end away from the vertical pole (7); and the output end of the inner motor (17) is horizontally extended to the inner side of the end clamping hole (18), and the extended end is fixedly connected to the center of one end of the side clamping block (19).

6. A steam turbine blade drilling machine according to claim 1, characterized in that: One end of the side clamping block (19) is fixedly arranged at the center position of one side of the vertical connecting block (9), and the other end is clamped and arranged at the inner side of the end clamping hole (18); the movable connecting block (21) is clamped and arranged at the side groove position of the vertical connecting block (9), and the movable connecting block (21) is threadedly connected to the outer side of the adjusting screw (20).

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