Turning device for turbine impeller

Abstract

The utility model discloses a turning device for an impeller of a steam turbine, which belongs to the technical field of turning devices and comprises a workbench, a rotating plate is rotatably connected onto the workbench, a clamping mechanism is arranged on the rotating plate, and a workpiece is clamped on the clamping mechanism. According to the device, the driving motor drives the second belt pulley to rotate synchronously, the second belt pulley drives the first belt pulley to rotate through the transmission belt, the first belt pulley drives the second bevel gear on one side of the reduction gearbox to rotate in a speed reduction mode through the connecting rod, and the second bevel gear is meshed with the first bevel gear to drive the rotating plate to rotate; the rotating plate drives the workpiece clamped by the clamping mechanism to rotate, then when the workpiece is subjected to turning rotating machining, the centrifugal fan can be synchronously started and absorbs generated chipping particles, finally, the chipping particles enter the filtering frame through the air outlet pipe to be filtered and then discharged, and therefore the cleanliness of the machining environment and the health of the human body are guaranteed advantageously.

Description

Technical Field

[0001] The utility model belongs to the technical field of turning devices, and in particular relates to a turning device for a steam turbine impeller. 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] The impeller on a traditional steam turbine often generates a large amount of debris during turning, which may pollute the surrounding environment and be detrimental to human health. Therefore, a turning device for a steam turbine impeller is needed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a turning device for a steam turbine impeller to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a turning device for a steam turbine impeller, comprising a workbench, a rotating plate is rotatably connected to the workbench, a clamping mechanism is arranged on the rotating plate, a workpiece is clamped on the clamping mechanism, a first bevel gear is fixedly connected to the rotating part of the rotating plate and the lower surface of the workbench, a reduction box is fixedly connected to the lower surface of the workbench, a second bevel gear is fixedly connected to the output end of one side of the reduction box, the first bevel gear and the second bevel gear are meshed with each other, a connecting rod is fixedly connected to the input end of the reduction box, a connecting block is rotatably connected to the outside of the connecting rod, and the upper surface of the connecting block is fixedly connected to the The fan is fixedly connected to the lower surface of the workbench, one end of the connecting rod is fixedly connected to the first pulley, the workbench is fixedly connected to the centrifugal fan, the rotating part of one side of the centrifugal fan is fixedly connected to the second pulley, one side of the centrifugal fan is fixedly connected to a fixed block, the lower surface of the fixed block is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to one side of the second pulley, a transmission belt is arranged between the first pulley and the second pulley, the centrifugal fan is connected to an air outlet duct, one end of the air outlet duct is connected to a filter frame, one side of the filter frame is provided with an air outlet, and the filter frame is fixedly connected to the workbench.

[0006] By setting up a centrifugal fan, when the driving motor is started, it will drive the centrifugal fan to start and suck air, so that the particle debris of the workpiece turned on one side can be sucked in time to prevent the debris from falling into the air and causing harm to the human body. During the process, the drive of the driving motor will synchronously drive the second pulley to rotate, and the second pulley will drive the rotating plate to rotate through a series of transmissions, and the rotating plate will drive the workpiece clamped by the clamping mechanism to rotate. Then, when the workpiece is turned and rotated, the centrifugal fan will also start synchronously and absorb the debris particles generated by it. Finally, the debris particles enter the filter frame through the outlet pipe and are filtered and discharged, which helps to ensure the cleanliness of the processing environment and human health.

[0007] As a preferred implementation, the diameter of the first pulley is greater than the diameter of the second pulley.

[0008] As a preferred embodiment, a vertical block is fixedly connected to the workbench, a displacement groove is opened on one side of the vertical block, a threaded rod is rotatably connected inside the displacement groove, and a displacement motor is arranged at the rotation point of one end of the threaded rod.

[0009] As a preferred implementation, the external thread of the threaded rod is connected with a displacement block, and the displacement block is slidably connected inside the displacement groove.

[0010] As a preferred implementation, one side of the displacement block is fixedly connected to a hydraulic rod, and one end of the hydraulic rod is fixedly connected to a turning machine.

[0011] As a preferred embodiment, a plurality of supporting legs are fixedly provided on the lower surface of the workbench.

[0012] By setting up a displacement motor, the threaded rod will be driven to rotate under the power output of the displacement motor. The rotation of the threaded rod will drive the displacement block to perform thread displacement. The displacement block will drive the turning machine at one end of the hydraulic rod to move. At the same time, the hydraulic rod can drive the turning machine to extend and retract the distance, thereby realizing the need for turning displacement of the turning machine.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a centrifugal fan, which will drive the centrifugal fan to start and suck air when the driving motor is started, so that the particle debris produced by the turning of the workpiece on one side can be sucked in time to prevent the debris from falling into the air and causing harm to the human body. During the process, the driving of the driving motor will synchronously drive the second pulley to rotate, and the second pulley will drive the rotating plate to rotate through a series of transmissions, and the rotating plate will drive the workpiece clamped by the clamping mechanism to rotate, and then when the workpiece is turned and rotated, the centrifugal fan will also start synchronously and absorb the debris particles generated by it, and finally the debris particles will enter the filter frame through the air outlet pipe for filtration and then be discharged, thereby helping to ensure a clean processing environment and human health.

[0015] The utility model, by arranging a displacement motor, can drive the threaded rod to rotate under the power output of the displacement motor, the rotation of the threaded rod drives the displacement block to perform thread displacement, the displacement block drives the turning machine at one end of the hydraulic rod to be able to move, and at the same time the hydraulic rod can drive the turning machine to extend and retract the distance, thereby realizing the need for turning displacement of the turning machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the first bevel gear of the utility model;

[0018] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model from a side view.

[0020] In the figure: 1. workbench; 2. rotating plate; 3. clamping mechanism; 4. workpiece; 5. first bevel gear; 6. reduction box; 7. second bevel gear; 8. connecting rod; 9. connecting block; 10. first pulley; 11. centrifugal fan; 12. second pulley; 13. fixing block; 14. driving motor; 15. driving belt; 16. air outlet duct; 17. filter frame; 18. air outlet; 19. vertical block; 20. displacement groove; 21. threaded rod; 22. displacement motor; 23. displacement block; 24. hydraulic rod; 25. turning machine; 26. supporting leg. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] See also Figure 1-4 The utility model provides a turning device for a turbine impeller, comprising a workbench 1, a rotating plate 2 is rotatably connected to the workbench 1, a clamping mechanism 3 is arranged on the rotating plate 2, a workpiece 4 is clamped on the clamping mechanism 3, a first bevel gear 5 is fixedly connected to the rotating portion of the rotating plate 2 and the lower surface of the workbench 1, a reduction box 6 is fixedly connected to the lower surface of the workbench 1, a second bevel gear 7 is fixedly connected to the output end of one side of the reduction box 6, the first bevel gear 5 and the second bevel gear 7 are meshed with each other, a connecting rod 8 is fixedly connected to the input end of the reduction box 6, a connecting block 9 is rotatably connected to the outside of the connecting rod 8, the upper surface of the connecting block 9 is fixedly connected to the lower surface of the workbench 1, one end of the connecting rod 8 is fixedly connected to a first pulley 10, a centrifugal fan 11 is fixedly connected to the workbench 1, a second pulley 12 is fixedly connected to the rotating portion of one side of the centrifugal fan 11, a fixed block 13 is fixedly connected to one side of the centrifugal fan 11, a driving motor 14 is fixedly connected to the lower surface of the fixed block 13, and the output shaft of the driving motor 14 is fixedly connected to one side of the second pulley 12 A transmission belt 15 is arranged between the first pulley 10 and the second pulley 12, and an air outlet 16 is connected to the centrifugal fan 11. One end of the air outlet 16 is connected to a filter frame 17. An air outlet 18 is arranged on one side of the filter frame 17. The filter frame 17 is fixedly connected to the workbench 1. By arranging the centrifugal fan 11, when the driving motor 14 is started, the centrifugal fan 11 will be driven to start and suck air, so that the particle debris of the workpiece 4 on one side can be sucked in time to prevent the debris from falling into the air and causing harm to the human body. During the process, the driving of the driving motor 14 will synchronously drive the second pulley 12 to rotate, and the second pulley 12 drives the rotating plate 2 to rotate through a series of transmissions, and the rotating plate 2 drives the workpiece 4 clamped by the clamping mechanism 3 to rotate, and then when the workpiece 4 is turned and rotated, the centrifugal fan 11 will also start synchronously and absorb the debris particles generated by it. Finally, the debris particles enter the filter frame 17 through the air outlet 16 and are filtered and discharged, thereby helping to ensure a clean processing environment and human health.

[0024] The diameter of the first pulley 10 is greater than the diameter of the second pulley 12 .

[0025] A vertical block 19 is fixedly connected to the workbench 1 , a displacement groove 20 is provided on one side of the vertical block 19 , a threaded rod 21 is rotatably connected inside the displacement groove 20 , and a displacement motor 22 is provided at the rotation point of one end of the threaded rod 21 .

[0026] The external thread of the threaded rod 21 is connected with a displacement block 23 , and the displacement block 23 is slidably connected inside the displacement groove 20 .

[0027] A hydraulic rod 24 is fixedly connected to one side of the displacement block 23 , and a turning machine 25 is fixedly connected to one end of the hydraulic rod 24 .

[0028] A plurality of supporting legs 26 are fixedly provided on the lower surface of the workbench 1. By setting a displacement motor 22, the threaded rod 21 is driven to rotate under the power output of the displacement motor 22. The rotation of the threaded rod 21 drives the displacement block 23 to perform threaded displacement. The displacement block 23 drives the turning machine 25 at one end of the hydraulic rod 24 to be able to move. At the same time, the hydraulic rod 24 can drive the turning machine 25 to extend and retract the distance, thereby realizing the need for turning displacement of the turning machine 25.

[0029] The working principle and use process of the utility model are as follows: first, the workpiece 4 is clamped on the clamping mechanism 3, and then the driving motor 14 is started. When the driving motor 14 is started, the centrifugal fan 11 is driven to start suction, so that the particle debris of the workpiece 4 on one side can be sucked in time to prevent the debris from falling into the air and causing harm to the human body. During the process, the driving of the driving motor 14 will synchronously drive the second pulley 12 to rotate, and the second pulley 12 drives the first pulley 10 to rotate through the transmission belt 15. The first pulley 10 drives the second bevel gear 7 on one side of the reduction box 6 to reduce the speed through the connecting rod 8. The second bevel gear The wheel 7 drives the rotating plate 2 to rotate by meshing with the first bevel gear 5, and the rotating plate 2 drives the workpiece 4 clamped by the clamping mechanism 3 to rotate. Then, when the workpiece 4 is turned and rotated, the centrifugal fan 11 will also be started synchronously to absorb the debris particles generated by it. Finally, the debris particles enter the filter frame 17 through the air outlet pipe 16 and are filtered and discharged. Finally, the displacement motor 22 is started. The power output of the displacement motor 22 will drive the threaded rod 21 to rotate. The rotation of the threaded rod 21 drives the displacement block 23 to perform threaded displacement. The displacement block 23 drives the turning machine 25 at one end of the hydraulic rod 24 to be displaced to the workpiece 4 for processing.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turning device for a steam turbine impeller, comprising a workbench (1), characterized in that: The workbench (1) is rotatably connected to a rotating plate (2), the rotating plate (2) is provided with a clamping mechanism (3), the clamping mechanism (3) clamps a workpiece (4), the rotating plate (2) and the lower surface of the workbench (1) are fixedly connected to a first bevel gear (5), the lower surface of the workbench (1) is fixedly connected to a reduction box (6), the output end of one side of the reduction box (6) is fixedly connected to a second bevel gear (7), the first bevel gear (5) and the second bevel gear (7) are meshed with each other, the input end of the reduction box (6) is fixedly connected to a connecting rod (8), the outside of the connecting rod (8) is rotatably connected to a connecting block (9), the upper surface of the connecting block (9) is fixedly connected to the lower surface of the workbench (1), and one end of the connecting rod (8) is fixedly connected to a first pulley (1 0), a centrifugal fan (11) is fixedly connected to the workbench (1), a second pulley (12) is fixedly connected to a rotating portion on one side of the centrifugal fan (11), a fixed block (13) is fixedly connected to one side of the centrifugal fan (11), a driving motor (14) is fixedly connected to the lower surface of the fixed block (13), an output shaft of the driving motor (14) is fixedly connected to one side of the second pulley (12), a transmission belt (15) is arranged between the first pulley (10) and the second pulley (12), an air outlet pipe (16) is connected to the centrifugal fan (11), one end of the air outlet pipe (16) is connected to a filter frame (17), an air outlet (18) is arranged on one side of the filter frame (17), and the filter frame (17) is fixedly connected to the workbench (1).

2. A turning device for a steam turbine impeller according to claim 1, characterized in that: The diameter of the first pulley (10) is greater than the diameter of the second pulley (12).

3. A turning device for a steam turbine impeller according to claim 1, characterized in that: A vertical block (19) is fixedly connected to the workbench (1), a displacement groove (20) is provided on one side of the vertical block (19), a threaded rod (21) is rotatably connected inside the displacement groove (20), and a displacement motor (22) is provided at a rotation point at one end of the threaded rod (21).

4. A turning device for a steam turbine impeller according to claim 3, characterized in that: The external thread of the threaded rod (21) is connected to a displacement block (23), and the displacement block (23) is slidably connected inside the displacement groove (20).

5. A turning device for a steam turbine impeller according to claim 4, characterized in that: One side of the displacement block (23) is fixedly connected to a hydraulic rod (24), and one end of the hydraulic rod (24) is fixedly connected to a turning machine (25).

6. A turning device for a steam turbine impeller according to claim 1, characterized in that: A plurality of supporting legs (26) are fixedly arranged on the lower surface of the workbench (1).

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