A static pressure fixture for nuclear power rotor groove machining

Abstract

The utility model discloses a static pressure clamp for processing a nuclear power rotor wheel groove, which relates to the technical field of clamps, and includes a base, a top plate, a first clamp block, and a second clamp block. Two groups of L-shaped rods are symmetrically fixedly arranged on the top of the base, and the base is fixedly connected to the top plate through the two groups of L-shaped rods. Two electric push rods are symmetrically fixedly arranged on the upper surface of the top plate, and the output ends of the two electric push rods are fixedly connected to a U-shaped plate. The U-shaped plate is internally rotatably sleeved with a first rotating rod, and the lower end of the first rotating rod is fixedly connected to the first clamp block. A second rotating rod is rotatably arranged between the base and the top plate, and a sleeve is movably sleeved on the rod wall of the second rotating rod. The utility model can drive the workpiece clamped between the first clamp block and the second clamp block to rotate according to actual work needs through the transmission mechanism and the driving mechanism, so that there is no need to disassemble and adjust the workpiece, which effectively simplifies the processing process.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a static pressure clamp used for machining wheel grooves of nuclear power rotors. Background Art

[0002] The nuclear power rotor wheel is an important component of the nuclear power turbine. Its design, manufacturing and performance have an important impact on the operating efficiency and safety of the nuclear power turbine. In the process of realizing this application, the applicant found that a clamp is needed in the process of processing the nuclear power rotor wheel groove. However, the existing clamp usually cannot be flipped after clamping, and needs to be disassembled and reassembled to achieve double-sided processing. Utility Model Content

[0003] In view of the above problems existing in the existing clamps, the present utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide a static pressure clamp for nuclear power rotor wheel groove processing, which solves the problem that the existing clamps usually cannot be turned over after clamping and need to be disassembled and reassembled to achieve double-sided processing.

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

[0006] A static pressure fixture for processing a wheel groove of a nuclear power rotor comprises a base, a top plate, a first clamping block and a second clamping block, wherein two groups of L-shaped rods are symmetrically fixedly arranged on the top of the base, and the base is fixedly connected to the top plate through the two groups of L-shaped rods, two electric push rods are symmetrically fixedly arranged on the upper surface of the top plate, and the output ends of the two electric push rods are fixedly connected to a U-shaped plate, a first rotating rod is rotatably sleeved inside the U-shaped plate, and the lower end of the first rotating rod is fixedly connected to the first clamping block, a second rotating rod is rotatably sleeved between the base and the top plate, a sleeve is movably sleeved on the rod wall of the second rotating rod, a first bevel gear is fixedly sleeved on the upper end of the first rotating rod and the tube wall of the sleeve, a transmission mechanism is arranged inside the U-shaped plate, and the two first bevel gears are transmission-connected through the transmission mechanism, a hollow block is fixedly arranged on the top of the base, a third rotating rod is rotatably arranged on the top of the hollow block, and the upper end of the third rotating rod is fixedly connected to the second clamping block, a driving mechanism is arranged inside the hollow block, and the second rotating rod and the third rotating rod are both transmission-connected to the driving mechanism.

[0007] Preferably, the transmission mechanism includes a transmission rod and two second bevel gears, the transmission rod is rotatably sleeved inside the U-shaped plate and fixedly sleeved with the two second bevel gears, the two second bevel gears are respectively meshed and connected with the corresponding first bevel gears, and the sleeve and the transmission rod are rotatably sleeved with the L-shaped plate.

[0008] Preferably, the driving mechanism comprises a worm and two worm wheels, the worm is rotatably sleeved with the hollow block, the two worm wheels are respectively fixedly sleeved on the rod walls of the second rotating rod and the third rotating rod, and the two worm wheels are meshingly connected with the worm.

[0009] Preferably, the inner wall of the sleeve is symmetrically provided with two notches, and the rod wall of the second rotating rod is symmetrically fixed with two driving blocks, and the two driving blocks are respectively slidably provided inside the corresponding notches.

[0010] Preferably, two universal wheels are symmetrically fixedly provided on the bottom of the second clamping block, and both of the two universal wheels are in contact and connected with the top of the hollow block.

[0011] Preferably, a driving motor is fixedly provided on an outer wall of one side of the hollow block, and one end of the worm is fixedly connected to an output end of the driving motor.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] The utility model can drive the workpiece clamped between the first clamping block and the second clamping block to rotate according to actual working needs through the transmission mechanism and the driving mechanism, thereby eliminating the need for disassembly and adjustment of the workpiece, and effectively simplifying the processing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection structure of the U-shaped plate, the first clamping block and the second rotating rod of the utility model;

[0017] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of part A.

[0018] Description of reference numerals:

[0019] 1. Base; 2. Top plate; 3. First clamping block; 4. Second clamping block; 5. L-shaped rod; 6. Electric push rod; 7. U-shaped plate; 8. First rotating rod; 9. Second rotating rod; 10. Sleeve; 11. First bevel gear; 12. Hollow block; 13. Third rotating rod; 14. Transmission rod; 15. Second bevel gear; 16. L-shaped plate; 17. Worm; 18. Worm wheel; 19. Drive block; 20. Universal wheel; 21. Drive motor. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] The utility model embodiment discloses a static pressure clamp for machining wheel grooves of nuclear power rotors.

[0022] Embodiment 1

[0023] The utility model provides Figure 1-3 The static pressure fixture for nuclear power rotor wheel groove processing shown in the figure comprises a base 1, a top plate 2, a first clamping block 3 and a second clamping block 4. Two groups of L-shaped rods 5 are symmetrically fixedly arranged on the top of the base 1, and are fixedly connected to the top plate 2 through the two groups of L-shaped rods 5. Two electric push rods 6 are symmetrically fixedly arranged on the upper surface of the top plate 2. The output ends of the two electric push rods 6 are fixedly connected to a U-shaped plate 7. The inside of the U-shaped plate 7 is rotatably sleeved with a first rotating rod 8. The lower end of the first rotating rod 8 is fixedly connected to the first clamping block 3. A second rotating rod 9 is rotatably arranged between the base 1 and the top plate 2. The rod wall of the second rotating rod 9 is movably sleeved with a sleeve 10. The upper end of the first rotating rod 8 and the tube wall of the sleeve 10 are fixed A first bevel gear 11 is fixedly sleeved, a transmission mechanism is arranged inside the U-shaped plate 7, the two first bevel gears 11 are connected through the transmission mechanism, a hollow block 12 is fixedly arranged on the top of the base 1, a third rotating rod 13 is rotatably arranged on the top of the hollow block 12, the upper end of the third rotating rod 13 is fixedly connected to the second clamping block 4, a driving mechanism is arranged inside the hollow block 12, the second rotating rod 9 and the third rotating rod 13 are both connected to the driving mechanism, by utilizing the transmission mechanism and the driving mechanism, the workpiece clamped between the first clamping block 3 and the second clamping block 4 can be driven to rotate according to actual working needs, thereby eliminating the need to disassemble and adjust the workpiece, effectively simplifying the processing process.

[0024] like Figure 1-2As shown, the transmission mechanism includes a transmission rod 14 and two second bevel gears 15. The transmission rod 14 is rotatably sleeved inside the U-shaped plate 7 and fixedly sleeved with the two second bevel gears 15. The two second bevel gears 15 are respectively meshed and connected with the corresponding first bevel gears 11. The sleeve 10 and the transmission rod 14 are rotated together and sleeved with an L-shaped plate 16. By utilizing the set transmission mechanism, the first rotating rod 8 can be driven to drive the first clamping block 3 to rotate synchronously with the sleeve 10 during the rotation of the sleeve 10.

[0025] like Figure 1 and Figure 3 As shown, the driving mechanism includes a worm 17 and two worm wheels 18. The worm 17 is rotatably sleeved with the hollow block 12. The two worm wheels 18 are fixedly sleeved on the rod walls of the second rotating rod 9 and the third rotating rod 13 respectively. The two worm wheels 18 are meshingly connected with the worm 17. By utilizing the meshing connection between the two worm wheels 18 and the worm 17, the two worm wheels 18 can be driven to rotate synchronously during the rotation of the worm 17, thereby driving the second rotating rod 9 and the third rotating rod 13 to rotate synchronously, and further driving the first clamping block 3 and the second clamping block 4 to rotate synchronously.

[0026] Embodiment 2

[0027] Based on the first embodiment, Figure 2 As shown, two notches are symmetrically provided on the inner wall of the sleeve 10, and two driving blocks 19 are symmetrically fixedly provided on the rod wall of the second rotating rod 9. The two driving blocks 19 are respectively slidably provided inside the corresponding notches. By utilizing the sliding connection between the two driving blocks 19 and the corresponding notches, the sleeve 10 can be driven to rotate normally during the rotation of the second rotating rod 9.

[0028] Embodiment 3

[0029] Based on the first embodiment, Figure 1 As shown, two universal wheels 20 are symmetrically fixedly provided at the bottom of the second clamping block 4, and the two universal wheels 20 are both in contact and connected with the top of the hollow block 12. By utilizing the two universal wheels 20, the second clamping block 4 can be supported, and the stability of the third rotating rod 13 when driving the second clamping block 4 to rotate is effectively guaranteed.

[0030] Embodiment 4

[0031] Based on the first embodiment, Figure 1 As shown, a driving motor 21 is fixedly provided on the outer wall of one side of the hollow block 12, and one end of the worm 17 is fixedly connected to the output end of the driving motor 21. The driving motor 21 can drive the worm 17 to rotate during its operation, thereby realizing the driving of the second rotating rod 9 and the third rotating rod 13.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A static pressure fixture for nuclear power rotor wheel groove processing, comprising a base (1), a top plate (2), a first clamping block (3) and a second clamping block (4), characterized in that: Two groups of L-shaped rods (5) are symmetrically fixedly arranged on the top of the base (1), and are fixedly connected to the top plate (2) through the two groups of L-shaped rods (5); two electric push rods (6) are symmetrically fixedly arranged on the upper surface of the top plate (2); the output ends of the two electric push rods (6) are fixedly connected to a U-shaped plate (7); a first rotating rod (8) is rotatably sleeved inside the U-shaped plate (7); the lower end of the first rotating rod (8) is fixedly connected to the first clamping block (3); a second rotating rod (9) is rotatably arranged between the base (1) and the top plate (2); a sleeve (10) is movably sleeved on the rod wall of the second rotating rod (9); The upper end of the first rotating rod (8) and the tube wall of the sleeve (10) are both fixedly sleeved with a first bevel gear (11); a transmission mechanism is arranged inside the U-shaped plate (7); the two first bevel gears (11) are transmission-connected via the transmission mechanism; a hollow block (12) is fixedly arranged on the top of the base (1); a third rotating rod (13) is rotatably arranged on the top of the hollow block (12); the upper end of the third rotating rod (13) is fixedly connected to the second clamping block (4); a driving mechanism is arranged inside the hollow block (12); and the second rotating rod (9) and the third rotating rod (13) are both transmission-connected to the driving mechanism.

2. A static pressure fixture for nuclear power rotor groove machining according to claim 1, characterized in that: The transmission mechanism comprises a transmission rod (14) and two second bevel gears (15); the transmission rod (14) is rotatably sleeved inside the U-shaped plate (7) and fixedly sleeved with the two second bevel gears (15); the two second bevel gears (15) are respectively meshed and connected with the corresponding first bevel gears (11); the sleeve (10) and the transmission rod (14) are rotatably sleeved with an L-shaped plate (16).

3. The static pressure fixture for nuclear power rotor groove machining according to claim 1 is characterized in that: The driving mechanism comprises a worm (17) and two worm wheels (18); the worm (17) is rotatably sleeved with the hollow block (12); the two worm wheels (18) are respectively fixedly sleeved on the rod walls of the second rotating rod (9) and the third rotating rod (13); and the two worm wheels (18) are meshingly connected with the worm (17).

4. The static pressure fixture for nuclear power rotor groove machining according to claim 1 is characterized in that: The inner wall of the sleeve (10) is symmetrically provided with two notches, and the rod wall of the second rotating rod (9) is symmetrically fixed with two driving blocks (19), and the two driving blocks (19) are respectively slidably arranged inside the corresponding notches.

5. The static pressure fixture for nuclear power rotor groove machining according to claim 1 is characterized in that: Two universal wheels (20) are symmetrically fixedly arranged at the bottom of the second clamping block (4), and the two universal wheels (20) are both in contact with and connected to the top of the hollow block (12).

6. The static pressure fixture for nuclear power rotor groove machining according to claim 3 is characterized in that: A driving motor (21) is fixedly disposed on an outer wall of one side of the hollow block (12), and one end of the worm (17) is fixedly connected to an output end of the driving motor (21).

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