Turbine valve rod correcting mechanism

Abstract

The utility model discloses a steam turbine valve rod correcting mechanism, which relates to the field of steam turbines and comprises a processing box body, the bottom surface of the processing box body is uniformly and fixedly connected with bottom cushion blocks through threads, one side edge of the processing box body is horizontally connected with a horizontal inserting rod in an inserting manner, and the top surface of the horizontal inserting rod is fixedly provided with a supporting vertical rod in a vertically upward manner; a mounting block is fixedly arranged on one side edge of the supporting vertical rod, a control panel is fixedly clamped to one side edge of the treatment box body, a horizontal through groove is horizontally formed in the side edge of the treatment box body, a clamping bottom groove is horizontally formed in one side edge of the treatment box body, and conveying inner grooves are horizontally and symmetrically formed in the inner side wall of the clamping bottom groove; a matching groove is horizontally formed in the top surface of the clamping bottom groove, scanning bodies are uniformly and fixedly arranged on the inner side wall of the horizontal through groove, a sealed integrated control structure is adopted, so that the device is more convenient and efficient to use, and meanwhile, an extrusion type correction structure is wrapped, so that correction of the bent position is more accurate and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam turbine valve stem correction mechanism. 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 valve stem structure will bend and deform, which will affect the subsequent use. The current correction structure corrects the bent position through a single-direction extrusion operation, which makes the correction efficiency unable to be improved and the operation is relatively cumbersome. Utility Model Content

[0004] The purpose of the utility model is to provide a turbine valve stem correction mechanism to solve the problem raised in the above background technology that when the current steam turbine is in use, the internal valve stem structure will form a bending deformation, which will affect the subsequent use. The current correction structure corrects the bent position through a single-direction extrusion operation, resulting in the problem that the correction efficiency cannot be improved and the operation is relatively cumbersome.

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

[0006] A steam turbine valve stem correction mechanism comprises a processing box body, the bottom surface of the processing box body is evenly threaded and fixedly connected with a bottom pad, one side of the processing box body is horizontally plugged with a horizontal insertion rod, the top surface of the horizontal insertion rod is vertically fixedly provided with a supporting vertical rod, one side of the supporting vertical rod is fixedly provided with a mounting block, one side of the processing box body is fixedly connected with a control panel, a horizontal through groove is horizontally opened on the side of the processing box body, a clamping bottom groove is horizontally opened on one side of the processing box body, a transmission inner groove is horizontally and symmetrically opened on the inner side wall of the clamping bottom groove, a matching groove is horizontally opened on the top surface of the clamping bottom groove, and the inner side wall of the horizontal through groove is evenly fixed A scanning body is provided, a clamping ring groove is provided on the inner side edge of the horizontal through groove, a rotating ring body is clamped on the inner side edge of the clamping ring groove, an outer tooth groove is provided on the outer side edge of the rotating ring body, a transmission gear is clamped on the inner side wall of the processing box body, a transmission motor is horizontally fixedly provided on the inner top surface of the processing box body, a fixed inner rod is evenly welded on the inner side edge of the clamping ring groove, a side tooth groove is provided on one side edge of the rotating ring body, an inner extrusion rod is evenly inserted on the inner side edge of the rotating ring body, an extrusion end block is fixedly welded on one end of the inner extrusion rod, a guide connecting groove is provided on the side edge of the inner extrusion rod, and side driving blocks are symmetrically fixedly provided on both sides of the horizontal insertion rod.

[0007] As a preferred embodiment of the present utility model: there are four bottom pads, and the top screws of the four bottom pads are all threadedly fixed and connected one by one to the bottom surface of the processing box body near the screw holes at the four corners, one end of the horizontal insertion rod is horizontally inserted into the inner side of the clamping bottom groove, and the supporting vertical rod and the horizontal insertion rod are arranged in an L-shape with respect to each other.

[0008] As a preferred embodiment of the present utility model: the mounting block is fixedly arranged at the top position of one side of the supporting vertical pole, and a mounting hole structure is arranged at one end of the mounting block, a horizontal through groove is horizontally penetrated and opened in the side center line of the processing box body near the center position, and a clamping bottom groove is horizontally opened in the side center line of the processing box body near the bottom position.

[0009] As a preferred embodiment of the utility model: the matching groove is horizontally penetrated and opened at one end of the top surface of the clamping bottom groove, and the top end of the matching groove extends to the inner bottom surface of the horizontal through groove to maintain a connected setting, the scanning body is arranged in a ring shape and equidistantly arranged on the inner side of the horizontal through groove close to the side of the clamping ring groove, and the clamping ring groove is annularly and vertically opened at the center of the horizontal through groove.

[0010] As a preferred embodiment of the present utility model: the bottom surface of the transmission gear extends to the inner side of the outer tooth groove to maintain the gear connection setting, and the central fixed sleeve of the transmission gear is set at the output end of the transmission motor, and multiple fixed inner rods are arranged parallel to each other, and multiple fixed inner rods are equidistantly arranged at the inner opening edge position of the clamping ring groove, and multiple fixed inner rods are correspondingly through-type plug-in arranged on the inner side of the guide connecting groove.

[0011] As a preferred embodiment of the utility model: one end of the inner extrusion rod is connected to the inner side of the rotating ring body through a connecting rod, and the other end passes through the inner wall of the rotating ring body and extends to the inner side of the horizontal through groove. The side drive block is symmetrically fixed on the side of the horizontal insertion rod away from one end of the supporting vertical rod, and the side drive block is correspondingly clamped on the inner side of the transmission inner groove.

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

[0013] The utility model inserts and fixes one end of the turbine valve stem in the side mounting hole of the mounting block, and then sets the control panel on the side, so that the side driving block is controlled to move horizontally in the transmission inner groove, and the horizontal insertion rod is slowly moved horizontally in the clamping bottom groove, and the valve stem fixedly installed on the top of the supporting vertical rod is horizontally inserted and set in the horizontal through groove, and multiple scanning bodies inside perform scanning operations on the outer side of the valve stem at the center position, so that the scanned data is transmitted to the control main board, and then the data is horizontally moved to the center position of the inner side of the rotating ring body at the scanned bending position and stopped, and the internal transmission motor is rotated to make the valve stem rotate. The output end drives the transmission gear to rotate, so that the transmission gear drives the rotating ring body to rotate inside the clamping ring groove. With the cooperation of the fixed inner rod and the inner extrusion rod, one end of the inner extrusion rod is extended to the inner center position of the horizontal through groove for extrusion, so that the extrusion end block fixedly connected at one end extrude the outer side of the valve stem, so that the bent position of the valve stem is squeezed into a horizontal and straight state, and thus multiple bent positions of the valve stem are squeezed and corrected. The sealed integrated control structure is adopted, which makes it more convenient and efficient to use. At the same time, the wrapped extrusion correction structure makes the correction of the bent position 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 It is a three-dimensional structural schematic diagram of a steam turbine valve stem correction mechanism;

[0016] Figure 2It is a structural schematic diagram of the front view cross-section connection details of a processing box of a steam turbine valve stem correction mechanism;

[0017] Figure 3 It is a structural schematic diagram of the top view cross-section connection details of a processing box of a steam turbine valve stem correction mechanism;

[0018] Figure 4 It is a structural schematic diagram of the side view cross-sectional connection details of a rotating ring body of a steam turbine valve stem correction mechanism;

[0019] Figure 5 The present invention is a structural schematic diagram of the front view cross-sectional connection details of a horizontal plug rod of a steam turbine valve stem correction mechanism.

[0020] In the figure: 1. processing box; 2. bottom pad; 3. horizontal plug rod; 4. supporting vertical rod; 5. mounting block; 6. control panel; 7. horizontal through slot; 8. snap-on bottom slot; 9. transmission inner slot; 10. matching slot; 11. scanning body; 12. snap-on ring slot; 13. rotating ring body; 14. external tooth slot; 15. transmission gear; 16. transmission motor; 17. fixed inner rod; 18. side tooth slot; 19. inner extrusion rod; 20. extrusion end block; 21. guide connecting slot; 22. side drive block. DETAILED DESCRIPTION

[0021] See also Figure 1 In the embodiment of the utility model, a steam turbine valve stem correction mechanism comprises a processing box body 1, a bottom pad 2 is evenly threadedly fixedly connected to the bottom surface of the processing box body 1, a horizontal plug rod 3 is horizontally inserted into one side of the processing box body 1, and a support vertical rod 4 is fixedly arranged on the top surface of the horizontal plug rod 3 vertically upward. There are four bottom pads 2, and the top screws of the four bottom pads 2 are all threadedly fixedly connected and arranged on the bottom surface of the processing box body 1 near the four corner screw holes. One end of the horizontal plug rod 3 is horizontally inserted and arranged on the inner side of the clamping bottom groove 8. The support vertical rod 4 and the horizontal plug rod 3 are arranged in an L-shaped shape with each other. A mounting block 5 is fixedly arranged on one side of the processing box body 1. A control panel 6 is fixedly clamped, and a horizontal through groove 7 is horizontally opened on the side of the processing box body 1. The mounting block 5 is fixedly arranged at the top position of one side of the support vertical rod 4, and one end of the mounting block 5 is provided with a mounting hole structure, and the horizontal through groove 7 is horizontally penetrated and opened near the center line of the side of the processing box body 1;

[0022] See also Figure 2-5In the embodiment of the utility model, a steam turbine valve stem correction mechanism is provided, wherein a clamping bottom groove 8 is horizontally opened on one side of the processing box body 1, the clamping bottom groove 8 is horizontally opened at the center line of one side of the processing box body 1 near the bottom end, the inner side wall of the clamping bottom groove 8 is horizontally symmetrically opened with a transmission inner groove 9, the top surface of the clamping bottom groove 8 is horizontally opened with a matching groove 10, the inner side wall of the horizontal through groove 7 is evenly fixed with a scanning body 11, the inner side edge of the horizontal through groove 7 is opened with a clamping ring groove 12, the matching groove 10 is horizontally through-opened at one end of the top surface of the clamping bottom groove 8, and The top of the matching groove 10 extends to the inner bottom surface of the horizontal through groove 7 to maintain the connection setting, the scanning body 11 is arranged in an annular shape and equidistantly arranged on the inner side of the horizontal through groove 7 near the side of the clamping ring groove 12, the clamping ring groove 12 is annular and vertically opened in the center of the horizontal through groove 7, the inner side edge of the clamping ring groove 12 is clamped with a rotating ring body 13, and the outer side edge of the rotating ring body 13 is provided with an external tooth groove 14, the inner side wall of the processing box body 1 is clamped with a transmission gear 15, and the inner top surface of the processing box body 1 is horizontally fixed with a transmission motor 16, and the inner side edge of the clamping ring groove 12 is The inner rod 17 is uniformly welded, and a side tooth groove 18 is opened on one side of the rotating ring body 13. The bottom surface of the transmission gear 15 extends to the inner side of the outer tooth groove 14 to maintain the gear connection, and the center of the transmission gear 15 is fixedly sleeved and arranged at the output end of the transmission motor 16. The multiple fixed inner rods 17 are arranged in parallel with each other, and the multiple fixed inner rods 17 are arranged at equal distances at the inner opening edge position of the clamping ring groove 12. The multiple fixed inner rods 17 are correspondingly inserted into the inner side of the guide connecting groove 21. The inner side of the rotating ring body 13 is uniformly inserted with an inner squeeze The pressure rod 19, one end of the inner extrusion rod 19 is fixedly welded with an extrusion end block 20, the side of the inner extrusion rod 19 is provided with a guide connecting groove 21, and the two side edges of the horizontal insertion rod 3 are symmetrically fixed with side driving blocks 22, one end of the inner extrusion rod 19 is connected to the inner side edge of the rotating ring body 13 through a connecting rod, and the other end passes through the inner side wall of the rotating ring body 13 and extends to the inner side edge of the horizontal through groove 7, the side driving block 22 is symmetrically fixedly arranged on the side edge of the horizontal insertion rod 3 away from one end of the supporting vertical rod 4, and the side driving block 22 is correspondingly clamped and arranged on the inner side edge of the transmission inner groove 9.

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

[0024] One end of the steam turbine valve stem is inserted and fixed inside the side mounting hole of the mounting block 5, and then the side control panel 6 is set, so that the side driving block 22 is controlled to move horizontally inside the transmission inner groove 9, and the horizontal insertion rod 3 is slowly moved horizontally inside the clamping bottom groove 8, and the valve stem fixedly installed on the support vertical rod 4 is horizontally inserted and set inside the horizontal through groove 7, and the multiple scanning bodies 11 inside scan the outer side of the valve stem at the center position, so that the scanned data is transmitted to the control main board, and then it is horizontally moved to the inside of the rotating ring body 13 at the scanned bending position. The side center position stops, and the output end drives the transmission gear 15 to rotate under the rotation of the internal transmission motor 16, so that the transmission gear 15 drives the rotating ring body 13 to rotate inside the clamping ring groove 12, and under the cooperation of the fixed inner rod 17 and the inner extrusion rod 19, one end of the inner extrusion rod 19 is extended to the inner center position of the horizontal through groove 7 for extrusion, so that the extrusion end block 20 fixedly connected at one end is extruded on the outer side of the valve stem, so that the bent position of the valve stem is squeezed into a horizontal and straight state, and thus the multiple bent positions of the valve stem are extruded and corrected.

[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 steam turbine valve stem correction mechanism, comprising a processing box (1), characterized in that: The bottom surface of the processing box (1) is evenly threadedly fixedly connected with a bottom pad (2); a side edge of the processing box (1) is horizontally plugged with a horizontal insertion rod (3); the top surface of the horizontal insertion rod (3) is vertically fixedly provided with a supporting upright rod (4); a side edge of the supporting upright rod (4) is fixedly provided with a mounting block (5); a side edge of the processing box (1) is fixedly connected with a control panel (6); a side edge of the processing box (1) is horizontally provided with a horizontal through groove (7); a side edge of the processing box (1) is horizontally provided with a clamping bottom groove (8); the inner side wall of the clamping bottom groove (8) is horizontally symmetrically provided with a transmission inner groove (9); the top surface of the clamping bottom groove (8) is horizontally provided with a matching groove (10); the inner side wall of the horizontal through groove (7) is evenly fixedly provided with a scanning body (11); the inner side edge of the horizontal through groove (7) is A clamping ring groove (12) is provided, a rotating ring body (13) is clamped on the inner side edge of the clamping ring groove (12), an outer side edge of the rotating ring body (13) is provided with an external tooth groove (14), a transmission gear (15) is clamped on the inner side wall of the processing box body (1), a transmission motor (16) is horizontally fixedly arranged on the inner top surface of the processing box body (1), a fixed inner rod (17) is uniformly welded on the inner side edge of the clamping ring groove (12), a side tooth groove (18) is provided on one side edge of the rotating ring body (13), an inner extrusion rod (19) is uniformly inserted on the inner side edge of the rotating ring body (13), an extrusion end block (20) is fixedly welded on one end of the inner extrusion rod (19), a guide connecting groove (21) is provided on the side edge of the inner extrusion rod (19), and side driving blocks (22) are symmetrically fixedly arranged on both sides of the horizontal insertion rod (3).

2. A steam turbine valve stem correction mechanism according to claim 1, characterized in that: The number of the bottom pads (2) is four, and the top screw rods of the four bottom pads (2) are all threadedly fixedly connected and arranged on the bottom surface of the processing box (1) near the screw holes at the four corners, one end of the horizontal insertion rod (3) is horizontally inserted and arranged on the inner side of the clamping bottom groove (8), and the supporting vertical rod (4) and the horizontal insertion rod (3) are arranged in an L-shape with respect to each other.

3. A steam turbine valve stem correction mechanism according to claim 1, characterized in that: The mounting block (5) is fixedly arranged at the top position of one side of the supporting upright pole (4), and a mounting hole structure is arranged at one end of the mounting block (5), a horizontal through slot (7) is horizontally penetrated and opened at a position close to the center of the side center line of the processing box body (1), and a clamping bottom slot (8) is horizontally opened at a position close to the bottom end of the side center line of the processing box body (1).

4. A steam turbine valve stem correction mechanism according to claim 1, characterized in that: The matching groove (10) is horizontally penetrated and opened at one end of the top surface of the clamping bottom groove (8), and the top end of the matching groove (10) extends to the inner bottom surface of the horizontal through groove (7) to maintain a connected setting, and the scanning body (11) is arranged in an annular shape and equidistantly arranged on the inner side of the horizontal through groove (7) near the side of the clamping ring groove (12), and the clamping ring groove (12) is annularly opened vertically at the center position of the horizontal through groove (7).

5. The steam turbine valve stem correction mechanism according to claim 1, characterized in that: The bottom surface of the transmission gear (15) extends to the inner side of the outer tooth groove (14) to maintain the gear connection, and the center of the transmission gear (15) is fixedly sleeved and arranged at the output end of the transmission motor (16), and a plurality of fixed inner rods (17) are arranged in parallel with each other, and the plurality of fixed inner rods (17) are arranged at equal distances at the inner opening edge of the clamping ring groove (12), and the plurality of fixed inner rods (17) are correspondingly inserted and arranged on the inner side of the guide connecting groove (21).

6. A steam turbine valve stem correction mechanism according to claim 1, characterized in that: One end of the inner extrusion rod (19) is connected to the inner side of the rotating ring body (13) through a connecting rod, and the other end penetrates the inner side wall of the rotating ring body (13) and extends to the inner side of the horizontal through groove (7). The side drive block (22) is symmetrically fixedly arranged on the side of the horizontal insertion rod (3) away from the end of the supporting vertical rod (4), and the side drive block (22) is correspondingly clamped and arranged on the inner side of the transmission inner groove (9).

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