Turbine generator rotor slot wedge assembling device

Abstract

The utility model discloses a steam turbine generator rotor slot wedge assembling device, which relates to the technical field of steam turbine generator rotors and comprises a base, two fixing blocks are arranged on the upper surface of the base in a sliding manner, a first cavity is formed in the base, an adjusting mechanism is arranged in the first cavity, and the adjusting mechanism is arranged in the first cavity. The fixing blocks move through an adjusting mechanism, one sides of the two fixing blocks are rotationally connected with a first rotating rod and a second rotating rod correspondingly, a second cavity and a third cavity are formed in the two fixing blocks correspondingly, a driving mechanism is arranged in the second cavity, and the first rotating rod rotates through the driving mechanism. The two-way air cylinder is started, then the two corresponding arc-shaped clamping plates get close to each other, then the generator rotor body can be fixed, the generator rotor body can rotate at any time by rotating the first rotating rod and the second rotating rod when the slot wedge is installed, and therefore the installation efficiency of the slot wedge can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine generator rotor technical field, concretely relates to a steam turbine generator rotor slot wedge assembly device. BACKGROUND

[0002] The rotating part of the steam turbine generator is collectively referred to as a rotor, which is a combination of all rotating parts of the steam turbine, mainly including a main shaft, an impeller, a shaft coupling and other components, and some rotors also include a conductive rotor winding, a magnetically conductive core and a rotor shaft extension, a guard ring, a center ring and a slot wedge.

[0003] Among them, the announcement number for CN108673085A a kind of steam turbine generator rotor slot wedge assembly device, including foundation part, support part and equipment part;The foundation part and support part are two, support part is set on the foundation part top, equipment part is set between two support parts;The foundation part includes base and setting ground bolt below base;The support part includes bottom plate, the bottom plate is connected with the base by bolt, main support plate is equipped on the bottom plate, the main support plate top is equipped with side plate.

[0004] However, the existing steam turbine generator rotor slot wedge assembly device can only adapt to the specified size of generator rotor, and the rotor usually needs to be rotated when installing the slot wedge, at this time, the rotor needs to be removed, rotated and fixed again, thereby reducing the installation efficiency of the slot wedge. UTILITY MODEL CONTENTS

[0005] In view of the above problems existing in the existing steam turbine generator rotor slot wedge assembly device, the utility model is proposed.

[0006] Therefore, the utility model aims to provide a steam turbine generator rotor slot wedge assembly device, which solves the problem that the rotor usually needs to be rotated when installing the slot wedge, at this time, the rotor needs to be removed, rotated and fixed again, thereby reducing the installation efficiency of the slot wedge.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a steam turbine generator rotor slot wedge assembly device, including the upper surface of base, the upper surface of base is provided with two fixed blocks, the inside of base is opened first cavity, the inside of first cavity is provided with adjusting mechanism, the fixed block all moves through adjusting mechanism, one side of two fixed blocks is rotatably connected with first rotary lever and second rotary lever, the inside of two fixed blocks is opened second cavity and third cavity respectively, the inside of second cavity is provided with drive mechanism, first rotary lever rotates through drive mechanism, the inside of third cavity is provided with limiting mechanism, second rotary lever is matched with limiting mechanism, one end of first rotary lever and second rotary lever is all fixedly connected with mounting plate, one side of two mounting plates is provided with clamping mechanism, two clamping mechanisms are commonly fixed with generator rotor body.

[0009] Preferably, the adjusting mechanism includes a bidirectional screw rod, a first motor and two sliding blocks, the bidirectional screw rod is rotatably connected to the inside of the first cavity, the two sliding blocks are threadedly sleeved on the rod wall of the bidirectional screw rod, the upper ends of the two sliding blocks penetrate through the upper surface of the inside of the first cavity and are respectively connected to the lower surfaces of the corresponding fixed blocks, the first motor is fixedly connected to one side of the base, one end of the bidirectional screw rod penetrates through one side of the first cavity and is fixedly connected to the output end of the first motor.

[0010] Preferably, the drive mechanism includes a second motor, a driving gear and a driven gear, the second motor is fixedly connected to one side of the corresponding fixed block, the output end of the second motor penetrates through one side of the corresponding fixed block and extends into the inside of the second cavity, the driving gear is fixedly sleeved on the output end of the second motor, one end of the first rotary lever penetrates through one side of the corresponding fixed block and extends into the inside of the second cavity, the driven gear is fixedly sleeved on the rod wall of one end of the first rotary lever and is engaged with the driving gear.

[0011] Preferably, the limiting mechanism includes a plug rod, a baffle, a spring and a pull ring, the upper surface of the third cavity is provided with a through hole, the plug rod is slidably arranged in the inside of the through hole, the baffle is fixedly sleeved on the rod wall of the plug rod, the spring is slidably sleeved on the rod wall of the plug rod, and the pull ring is fixedly connected to the upper end of the plug rod.

[0012] Preferably, the clamping mechanism includes two bidirectional air cylinders, a plurality of moving plates, a plurality of connecting rods and a plurality of arc-shaped clamping plates, the two bidirectional air cylinders are respectively fixedly connected to one side of the corresponding mounting plates, each moving plate is respectively fixedly connected to the two output ends of the bidirectional air cylinder, each connecting rod is respectively fixedly connected to one side of the corresponding moving plate, and each arc-shaped clamping plate is respectively fixedly connected to the rod wall of one end of the corresponding connecting rod.

[0013] Preferably, one end of the second rotary lever penetrates through one side of the corresponding fixed block and moves into the inside of the third cavity, and the second rotary lever is fixedly connected with a circular plate at one end.

[0014] Preferably, the outer surface of the circular plate is provided with a plurality of insertion holes, each of which is matched with an insertion rod.

[0015] Preferably, the upper surface of the first cavity is provided with a strip-shaped hole, and the two sliding blocks are respectively arranged in the corresponding strip-shaped holes.

[0016] Preferably, one side of each of the two sliding blocks is attached to the side wall of the strip-shaped hole.

[0017] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0018] 1. The utility model discloses a two-way cylinder is started, and then the corresponding two arc-shaped clamping plates can be made close to each other, and then the generator rotor body can be fixed, when the first rotating rod and the second rotating rod are rotated when installing the slot wedge, the generator rotor body can be rotated at any time, so that the efficiency of slot wedge installation can be improved.

[0019] 2. The utility model discloses a pull ring is pulled, so that it can be removed from the inside of the insertion hole, and then the second rotating rod can be rotated, when rotating to the specified position, the pull ring is loosened, and then the spring rebound force can be used to make the insertion rod insert into the inside of the corresponding insertion hole, so that the circular plate can be fixed, that is, the second rotating rod can be fixed. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the utility model; Figure 1 It is a sectional view of the utility model;

[0023] Figure 3 It is an enlarged schematic diagram of A part of the utility model; Figure 2

[0024] Figure 4 It is an enlarged schematic diagram of B part of the utility model. Figure 2

[0025] Explanation of reference signs:

[0026] ​​1, base; 2, fixed block; 3, first rotating rod; 4, second rotating rod; 5, mounting plate; 6, generator rotor body; 7, bidirectional screw rod; 8, first motor; 9, sliding block; 10, second motor; 11, driving gear; 12, driven gear; 13, insertion rod; 14, baffle; 15, spring; 16, pull ring; 17, bidirectional air cylinder; 18, moving plate; 19, connecting rod; 20, arc-shaped clamping plate; 21, circular plate. DETAILED DESCRIPTION

[0027] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0028] The utility model discloses a steam turbine generator rotor slot wedge assembling device.

[0029] Embodiment one

[0030] Referring to Figures 1-4 A steam turbine generator rotor slot wedge assembling device, including base 1, the upper surface of base 1 is slidably provided with two fixed blocks 2, the inside of base 1 is provided with first cavity, the inside of first cavity is provided with adjusting mechanism, and the fixed block 2 moves through adjusting mechanism, and adjusting mechanism includes bidirectional screw rod 7, first motor 8 and two sliding blocks 9, bidirectional screw rod 7 is rotatably connected in the inside of first cavity, two sliding blocks 9 are all threadedly sleeved on the wall of the rod of bidirectional screw rod 7, and the upper end of two sliding blocks 9 penetrates the upper surface in the inside of first cavity and is respectively connected to the lower surface of corresponding fixed block 2, first motor 8 is fixedly connected to one side of base 1, and one end of bidirectional screw rod 7 penetrates one side of first cavity and is fixedly connected with the output end of first motor 8.

[0031] Start first motor 8, make bidirectional screw rod 7 rotate, then can make two sliding blocks 9 approach or move away from each other, then can drive two fixed blocks 2 to move.

[0032] Referring to Figures 1-2 And Figure 4 One side of two fixed blocks 2 is rotatably connected with first rotating rod 3 and second rotating rod 4 respectively, and the inside of two fixed blocks 2 is respectively provided with second cavity and third cavity, the inside of second cavity is provided with drive mechanism, first rotating rod 3 rotates through drive mechanism, drive mechanism includes second motor 10, driving gear 11 and driven gear 12, second motor 10 is fixedly connected to one side of corresponding fixed block 2, the output end of second motor 10 penetrates one side of corresponding fixed block 2 and extends to the inside of second cavity, driving gear 11 is fixedly sleeved on the output end of second motor 10, one end of first rotating rod 3 penetrates one side of corresponding fixed block 2 and extends to the inside of second cavity, and driven gear 12 is fixedly sleeved on the wall of one end of first rotating rod 3 and is engaged with driving gear 11.

[0033] Start the second motor 10, make the driving gear 11 rotate, then can make the driven gear 12 rotate, then can make the first rotating rod 3 rotate.

[0034] Referring to Figures 1-3 , the inside of the third cavity is provided with a limiting mechanism matched with the second rotating rod 4, the limiting mechanism comprises a plug rod 13, a baffle 14, a spring 15 and a pull ring 16, the upper surface of the third cavity is provided with a through hole, the plug rod 13 is slidingly arranged in the through hole, the baffle 14 is fixedly sleeved on the wall of the plug rod 13, the spring 15 is slidingly sleeved on the wall of the plug rod 13, the pull ring 16 is fixedly connected to the upper end of the plug rod 13, one end of the second rotating rod 4 penetrates through one side of the corresponding fixed block 2 and moves to the inside of the third cavity, and the one end of the second rotating rod 4 is fixedly connected with a circular plate 21, and the outer surface of the circular plate 21 is provided with a plurality of insertion holes, each insertion hole is matched with the plug rod 13.

[0035] Pull the pull ring 16, so that it can move out of the insertion hole, then the second rotating rod 4 can rotate, when it rotates to a specified position, release the pull ring 16, then the plug rod 13 can be inserted into the corresponding insertion hole by the elastic force of the spring 15, so that the circular plate 21 can be fixed, that is, the second rotating rod 4 can be fixed.

[0036] Referring to Figures 1-2 , one end of the first rotating rod 3 and the second rotating rod 4 is fixedly connected with a mounting plate 5, one side of the two mounting plates 5 is provided with a clamping mechanism, and the two clamping mechanisms are jointly fixed with a generator rotor body 6, the clamping mechanism comprises two bidirectional air cylinders 17, a plurality of moving plates 18, a plurality of connecting rods 19 and a plurality of arc-shaped clamping plates 20, the two bidirectional air cylinders 17 are fixedly connected to one side of the corresponding mounting plate 5, each moving plate 18 is fixedly connected to the two output ends of the bidirectional air cylinder 17, each connecting rod 19 is fixedly connected to one side of the corresponding moving plate 18, and each arc-shaped clamping plate 20 is fixedly connected to the wall of one end of the corresponding connecting rod 19.

[0037] Start the bidirectional air cylinder 17, then the corresponding two arc-shaped clamping plates 20 can be moved close to each other, then the generator rotor body 6 can be fixed.

[0038] Example two

[0039] On the basis of example one, referring to Figure 2 , the upper surface of the first cavity is provided with a strip-shaped hole, and two sliding blocks 9 are slidingly arranged in the corresponding strip-shaped holes.

[0040] The strip-shaped hole can facilitate the movement of the two sliding blocks 9.

[0041] Example three

[0042] On the basis of example two, referring to Figure 2The two sliders 9 are in contact with the side wall of the strip-shaped hole.

[0043] Because the two sliders 9 are in contact with the side wall of the strip-shaped hole, the two sliders 9 are prevented from rotating with the bidirectional screw rod 7.

[0044] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A steam turbine generator rotor slot wedge assembly device comprising a base (1), characterised in that, The upper surface of the base (1) is slidably provided with two fixed blocks (2), the inside of the base (1) is provided with a first cavity, the inside of the first cavity is provided with an adjusting mechanism, the fixed blocks (2) are moved through the adjusting mechanism, one side of the two fixed blocks (2) is rotatably connected with a first rotating rod (3) and a second rotating rod (4), the inside of the two fixed blocks (2) is respectively provided with a second cavity and a third cavity, the inside of the second cavity is provided with a driving mechanism, the first rotating rod (3) is rotated through the driving mechanism, the inside of the third cavity is provided with a limiting mechanism, the second rotating rod (4) is matched with the limiting mechanism, one end of the first rotating rod (3) and the second rotating rod (4) is fixedly connected with a mounting plate (5), one side of the two mounting plates (5) is provided with a clamping mechanism, and the two clamping mechanisms are commonly fixed with a generator rotor body (6).

2. The steam turbine generator rotor slot wedge assembly of claim 1, wherein, The adjusting mechanism comprises a bidirectional screw rod (7), a first motor (8) and two sliding blocks (9), the bidirectional screw rod (7) is rotatably connected in the first cavity, the two sliding blocks (9) are threadedly sleeved on the rod wall of the bidirectional screw rod (7), the upper ends of the two sliding blocks (9) penetrate the upper surface in the first cavity and are respectively connected to the lower surfaces of the corresponding fixed blocks (2), and the first motor (8) is fixedly connected to one side of the base (1). One end of the bidirectional screw rod (7) penetrates one side of the first cavity and is fixedly connected with the output end of the first motor (8).

3. The steam turbine generator rotor slot wedge assembly of claim 1, wherein, The driving mechanism comprises a second motor (10), a driving gear (11) and a driven gear (12), the second motor (10) is fixedly connected to one side of the corresponding fixed block (2), the output end of the second motor (10) penetrates one side of the corresponding fixed block (2) and extends to the inside of the second cavity, the driving gear (11) is fixedly sleeved on the output end of the second motor (10), one end of the first rotating rod (3) penetrates one side of the corresponding fixed block (2) and extends to the inside of the second cavity, and the driven gear (12) is fixedly sleeved on the rod wall of one end of the first rotating rod (3) and is engaged with the driving gear (11).

4. The steam turbine generator rotor slot wedge assembly of claim 1, wherein, The limiting mechanism comprises a plug rod (13), a baffle (14), a spring (15) and a pull ring (16), the upper surface of the third cavity is provided with a through hole, the plug rod (13) is slidably arranged in the through hole, the baffle (14) is fixedly sleeved on the rod wall of the plug rod (13), the spring (15) is slidably sleeved on the rod wall of the plug rod (13), and the pull ring (16) is fixedly connected to the upper end of the plug rod (13).

5. The steam turbine generator rotor slot wedge assembly of claim 1, wherein, Said clamping mechanism includes two bidirectional air cylinders (17), multiple moving plates (18), multiple connecting rods (19) and multiple arc-shaped clamping plates (20), two said bidirectional air cylinders (17) are fixedly connected to one side of the corresponding mounting plate (5) respectively, each said moving plate (18) is fixedly connected to the two output ends of the bidirectional air cylinder (17) respectively, each said connecting rod (19) is fixedly connected to one side of the corresponding moving plate (18) respectively, and each said arc-shaped clamping plate (20) is fixedly connected to the rod wall at one end of the corresponding connecting rod (19).

6. The steam turbine generator rotor slot wedge assembly of claim 1, wherein, One end of the second rotating rod (4) penetrates through one side of the corresponding fixed block (2) and moves to the inside of the third cavity, and a circular plate (21) is fixedly connected to one end of the second rotating rod (4).

7. The steam turbine generator rotor slot wedge assembly of claim 6, wherein, Multiple insertion holes are formed in the outer surface of the circular plate (21), and each insertion hole is matched with an insertion rod (13).

8. The steam turbine generator rotor slot wedge assembly of claim 2, wherein, The upper surface of the first cavity is provided with a strip-shaped hole, and two said sliding blocks (9) are slidingly arranged in the corresponding strip-shaped holes.

9. The steam turbine generator rotor slot wedge assembly of claim 8, wherein, The side of each said sliding block (9) is attached to the side wall of the strip-shaped hole.

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