Cooling nozzle for main shaft of turbine

Abstract

The utility model relates to the technical field of cooling nozzles for main shafts of turbines, and discloses a cooling nozzle for a main shaft of a turbine, which solves the problem that the cooling nozzle for the main shaft of the turbine cannot be used for movably spraying a cooling medium on the main shaft of the turbine in the use process, and comprises a mounting frame which is of an L-shaped structure, a mounting plate is fixedly mounted on the outer side of one end of the mounting frame, a control switch is fixedly mounted on the side, away from the mounting frame, of the mounting plate, a strip-shaped mounting groove is formed in the mounting frame in a penetrating mode, a nozzle body is slidably mounted in one end of the strip-shaped mounting groove, and a movable frame is fixedly mounted on the outer side of the nozzle body; the movable frame is slidably mounted on the outer side of the top end of the mounting frame, and an adjusting assembly is mounted in the end, away from the nozzle body, of the mounting frame. When the cooling nozzle for the main shaft of the turbine motor is used, the cooling nozzle for the main shaft of the turbine motor can be used for movably spraying a cooling medium on the main shaft of the turbine motor, so that the cooling range is widened, and the normal work of the main shaft of the turbine motor is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to turbine main shaft cooling nozzle technical field, concretely is a kind of turbine main shaft cooling nozzle. BACKGROUND

[0002] Turbine main shaft cooling nozzle is a kind of key cooling component integrated in turbine main shaft area, its core function is to reduce the working temperature of main shaft and peripheral components by spraying cooling medium, prevent the problems such as material expansion, mechanical stress increase or lubrication failure caused by high temperature, and turbine main shaft cooling nozzle cannot be moved to spray cooling medium during use, which leads to small cooling range, affects the normal work of turbine main shaft, so that it is inconvenient to achieve better practicability. SUMMARY

[0003] In view of the above situation, to overcome the defects of the prior art, the utility model provides a kind of turbine main shaft cooling nozzle, effectively solve the problem that turbine main shaft cooling nozzle cannot be moved to spray cooling medium during use, which leads to small cooling range, affects the normal work of turbine main shaft, so that it is inconvenient to achieve better practicability.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of turbine main shaft cooling nozzle, including mounting bracket, the mounting bracket is L type structure, and the outer side of one end of mounting bracket is fixedly installed with mounting plate, and the side of mounting plate away from mounting bracket is fixedly installed with control switch, and the inside of mounting bracket is penetrated and is equipped with strip-shaped installation slot, and the inside of one end of strip-shaped installation slot is slidably installed with nozzle main body, and the bottom of nozzle main body extends to the below of mounting bracket, and the top of nozzle main body is fixedly installed with connecting flange, and the outer side of nozzle main body is fixedly installed with movable frame, and movable frame is slidably installed on the top outer side of mounting bracket, and the inside of one end of mounting bracket away from nozzle main body is installed with adjusting assembly, and movable frame is connected with adjusting assembly.

[0005] Preferably, the adjusting assembly includes strip-shaped frame, and the side of strip-shaped frame close to nozzle main body is open structure, the bottom of strip-shaped frame is fixedly installed with support seat, and the bottom of support seat is fixedly connected with mounting bracket, the top of strip-shaped frame is fixedly installed with servo motor, and servo motor is electrically connected with control switch, reciprocating screw rod is rotatably installed in the inside of strip-shaped frame, and the output shaft of servo motor is movably penetrated in the top of strip-shaped frame and is fixedly connected with the top of reciprocating screw rod, threaded sleeve is screwedly installed in the inside of strip-shaped frame and at the outer side of reciprocating screw rod, connecting shaft is fixedly installed on the side of threaded sleeve close to strip-shaped frame open structure, movable connecting strip is rotatably installed on connecting shaft, movable shaft is rotatably installed on the end of movable connecting strip away from connecting shaft, connecting block is fixedly installed on the outer side of movable shaft, and connecting block is fixedly installed on the side of movable frame close to strip-shaped frame.

[0006] Preferably, the threaded sleeve is fixedly installed with a positioning sliding block on the side away from the connecting shaft, the strip-shaped frame is provided with a positioning sliding groove on the side away from the opening structure, and the positioning sliding block is slidably installed in the positioning sliding groove.

[0007] Preferably, the inside of the movable frame is fixedly installed with a sliding block, the outside of the mounting frame is provided with a sliding groove, and the sliding block is slidably installed in the sliding groove.

[0008] Preferably, the mounting frame is fixedly installed with a mounting strip on the side, and the two ends of the two mounting strips are provided with mounting holes.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1) In the work, through the mutual action of the mounting frame, the mounting plate, the control switch, the strip-shaped mounting groove, the nozzle body, the connecting flange, the movable frame and the adjusting assembly, the turbine main shaft cooling nozzle can move the turbine main shaft to spray cooling medium during use, improve the cooling range, ensure the normal work of the turbine main shaft, and thus better practicability is achieved.

[0011] 2) In the work, through the mutual action of the positioning sliding block and the positioning sliding groove, the threaded sleeve can be more stable during movement, so that the adjusting assembly can work stably. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0013] In the drawings:

[0014] Figure 1 It is the structure schematic view of turbine main shaft cooling nozzle of the utility model;

[0015] Figure 2 It is the mounting frame structure schematic view of the utility model;

[0016] Figure 3 It is the movable frame structure schematic view of the utility model;

[0017] Figure 4 It is the adjusting assembly structure schematic view of the utility model.

[0018] In the diagram: 1. Mounting bracket; 2. Mounting plate; 3. Control switch; 4. Strip mounting groove; 5. Nozzle body; 6. Connecting flange; 7. Movable frame; 8. Adjustment assembly; 9. Strip frame; 10. Support base; 11. Servo motor; 12. Reciprocating lead screw; 13. Threaded sleeve; 14. Connecting shaft; 15. Movable connecting strip; 16. Movable shaft; 17. Connecting block; 18. Positioning slider; 19. Positioning groove; 20. Sliding block; 21. Sliding groove; 22. Mounting strip; 23. Mounting hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] Example 1, by Figure 1 , Figure 2 , Figure 3 and Figure 4 This utility model relates to a turbine spindle cooling nozzle, including a mounting frame 1, which is an L-shaped structure. Mounting strips 22 are symmetrically fixedly mounted on one side of the mounting frame 1, and mounting holes 23 are provided at both ends of the two mounting strips 22. A mounting plate 2 is fixedly mounted on the outer side of one end of the mounting frame 1. A control switch 3 is fixedly mounted on the side of the mounting plate 2 away from the mounting frame 1. A strip-shaped mounting groove 4 is provided through the interior of the mounting frame 1. A nozzle body 5 is slidably mounted inside one end of the strip-shaped mounting groove 4, and the bottom of the nozzle body 5 extends to the bottom of the mounting frame 1. A connecting flange 6 is fixedly mounted on the top of the nozzle body 5. A movable frame 7 is fixedly mounted on the outer side of the nozzle body 5 and slidably mounted on the outer top of the mounting frame 1. Sliding blocks 20 are symmetrically fixedly mounted inside the movable frame 7. Sliding grooves 21 are symmetrically provided on the outer side of the mounting frame 1, and the sliding blocks 20 are slidably mounted inside the sliding grooves 21. An adjustment component 8 is installed inside the end of the mounting frame 1 away from the nozzle body 5, and the movable frame 7 is connected to the adjustment component 8.

[0021] The adjusting assembly 8 comprises a strip-shaped frame 9, the strip-shaped frame 9 is open at one side of the nozzle body 5, a supporting seat 10 is fixedly installed at the bottom of the strip-shaped frame 9, and the bottom of the supporting seat 10 is fixedly connected with the mounting frame 1, a servo motor 11 is fixedly installed at the top of the strip-shaped frame 9, and the servo motor 11 is electrically connected with the control switch 3, a reciprocating screw rod 12 is rotatably installed in the strip-shaped frame 9, the output shaft of the servo motor 11 is movably penetrated through the top of the strip-shaped frame 9 and is fixedly connected with the top of the reciprocating screw rod 12, a threaded sleeve 13 is screwedly installed in the strip-shaped frame 9 and located outside the reciprocating screw rod 12, a connecting shaft 14 is fixedly installed at one side of the threaded sleeve 13 close to the open structure of the strip-shaped frame 9, a positioning sliding block 18 is fixedly installed at the side of the threaded sleeve 13 away from the connecting shaft 14, a positioning sliding groove 19 is formed at the side of the strip-shaped frame 9 away from the open structure, the positioning sliding block 18 is slidably penetrated and installed in the positioning sliding groove 19, a movable connecting strip 15 is rotatably installed on the connecting shaft 14, a movable shaft 16 is rotatably installed at one end of the movable connecting strip 15 away from the connecting shaft 14, a connecting block 17 is fixedly installed at the outside of the movable shaft 16, and the connecting block 17 is fixedly installed at one side of the movable frame 7 close to the strip-shaped frame 9.

[0022] In use, through the interaction of the mounting frame 1, the mounting plate 2, the control switch 3, the strip-shaped mounting groove 4, the nozzle body 5, the connecting flange 6, the movable frame 7 and the adjusting assembly 8, the turbine main shaft cooling nozzle can move the turbine main shaft to spray the cooling medium, improve the cooling range, ensure the normal work of the turbine main shaft, so as to achieve better practicality, and through the interaction of the positioning sliding block 18 and the positioning sliding groove 19, the threaded sleeve 13 can be more stable during movement, so as to ensure that the adjusting assembly 8 can work stably.

[0023] Working principle: when working, first of all, the installation bolt matched with the diameter of the installation hole 23 is used to fix and install the installation strip 22, so as to realize the fixed installation of the mounting frame 1, then the connecting flange 6 is connected with the external pipeline, then in use, the cooling medium is transported to the inside of the nozzle body 5 through the external pipeline and the connecting flange 6, and then sprayed through the nozzle body 5, at the same time, the servo motor 11 is started to drive the reciprocating screw rod 12 to rotate, the reciprocating screw rod 12 drives the threaded sleeve 13 to move, the threaded sleeve 13 drives the positioning sliding block 18 to slide in the positioning sliding groove 19, which can ensure that the threaded sleeve 13 moves more stably, at the same time, the threaded sleeve 13 drives the connecting shaft 14 to move, the connecting shaft 14 drives the movable connecting strip 15 to move, the movable connecting strip 15 drives the connecting block 17 to move through the movable shaft 16, the connecting block 17 drives the movable frame 7 to move, the movable frame 7 drives the sliding block 20 to slide in the sliding groove 21, which can ensure that the movable frame 7 moves more stably, at the same time, the movable frame 7 drives the nozzle body 5 to move in the strip-shaped installation groove 4, and the nozzle body 5 sprays the cooling medium in the movement, so that the turbine main shaft cooling nozzle can move to spray the cooling medium in the use process, which improves the cooling range and ensures the normal work of the turbine main shaft, so as to achieve better practicality.

Claims

1. A turbine main shaft cooling nozzle comprising a mounting bracket (1), characterized in that: The mounting frame (1) is of L-shaped structure, one end of the mounting frame (1) is fixedly provided with a mounting plate (2), the mounting plate (2) is fixedly provided with a control switch (3) away from the mounting frame (1), a strip-shaped mounting groove (4) is formed in the mounting frame (1), a nozzle body (5) is slidably arranged in one end of the strip-shaped mounting groove (4), the bottom of the nozzle body (5) extends below the mounting frame (1), a connecting flange (6) is fixedly arranged on the top of the nozzle body (5), a movable frame (7) is fixedly arranged on the outer side of the nozzle body (5), the movable frame (7) is slidably arranged on the top of the mounting frame (1), an adjusting assembly (8) is arranged in one end of the mounting frame (1) away from the nozzle body (5), and the movable frame (7) is connected with the adjusting assembly (8).

2. A turbine main shaft cooling nozzle according to claim 1, characterized in that: The adjusting assembly (8) comprises a strip-shaped frame (9), one side of the strip-shaped frame (9) close to the nozzle body (5) is of open structure, a support seat (10) is fixedly arranged on the bottom of the strip-shaped frame (9), the bottom of the support seat (10) is fixedly connected with the mounting frame (1), a servo motor (11) is fixedly arranged on the top of the strip-shaped frame (9), the servo motor (11) is electrically connected with the control switch (3), a reciprocating screw rod (12) is rotatably arranged in the strip-shaped frame (9), the output shaft of the servo motor (11) is movably arranged through the top of the strip-shaped frame (9) and is fixedly connected with the top of the reciprocating screw rod (12), a threaded sleeve (13) is threadedly arranged in the strip-shaped frame (9) and outside the reciprocating screw rod (12), a connecting shaft (14) is fixedly arranged on one side of the threaded sleeve (13) close to the open structure of the strip-shaped frame (9), a movable connecting strip (15) is rotatably arranged on the connecting shaft (14), a movable shaft (16) is rotatably arranged on one end of the movable connecting strip (15) away from the connecting shaft (14), a connecting block (17) is fixedly arranged on the outer side of the movable shaft (16), and the connecting block (17) is fixedly arranged on one side of the movable frame (7) close to the strip-shaped frame (9).

3. A turbine main shaft cooling nozzle according to claim 2, characterized in that: The threaded sleeve (13) is fixedly arranged with a positioning sliding block (18) away from the connecting shaft (14), and the strip-shaped frame (9) is formed with a positioning sliding groove (19) penetrating through one side away from the open structure.

4. A turbine main shaft cooling nozzle according to claim 1, characterized in that: The movable frame (7) is fixedly arranged with a sliding block (20) inside, and the mounting frame (1) is formed with a sliding groove (21) penetrating through the outer side.

5. A turbine main shaft cooling nozzle according to claim 1, characterized in that: One side of the mounting frame (1) is fixedly arranged with a mounting strip (22), and the two ends of the two mounting strips (22) are formed with mounting holes (23).

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