Dynamic balance rotor adjusting mechanism of large turbocharger

Abstract

The utility model belongs to the field of adjusting mechanisms, and particularly relates to a dynamic balance rotor adjusting mechanism of a large turbocharger, which comprises a supporting seat, and the top of the supporting seat is symmetrically connected with vertical plates in a sliding manner; sliding blocks symmetrically slide in the middle of each vertical plate; the middle of the sliding block is rotationally connected with a supporting disc. The middle part of the vertical plate is rotationally connected with a positive and negative screw rod; the positive and negative screw rod is in threaded connection with the sliding block; a handle for control is arranged on one side of the positive and negative screw rod; the top of the supporting seat is fixedly connected with a fixing plate; the top of the inner side wall of the fixing plate is fixedly connected with a first spring telescopic rod. Through cooperation of the positive and negative screw rods and the sliding blocks, synchronous adjustment of the positions of the pair of supporting discs can be realized by rotating the positive and negative screw rods, so that the supporting discs can support rotors of different sizes, and the flexibility and adaptability of the device to dynamic balance tests of the rotors of different models are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of adjusting mechanism, specifically is a large turbocharger dynamic balance rotor adjusting mechanism. BACKGROUND

[0002] The turbocharger is a typical power enhancement device, which utilizes the exhaust gas energy of the engine to drive the turbine to rotate, and then drives the coaxial compressor to rotate, compresses the air and sends it into the engine combustion chamber, thereby improving the power and efficiency of the engine and reducing the emission of pollutants. The turbocharger is composed of a turbine and a compressor, and its manufacturing and maintenance process requires high precision.

[0003] In the manufacturing process of the large turbocharger, the rotor needs to be dynamically balanced to ensure uniform quality distribution and meet the design requirements.

[0004] The existing large rotor dynamic balance detection is usually supported by four support wheels. In use and observation, it is found that the position of the support wheel needs to be adjusted when testing different types of rotors. The support wheel is usually fixed on the support by bolts, which makes the adjustment operation more cumbersome.

[0005] Therefore, a large turbocharger dynamic balance rotor adjusting mechanism is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0007] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a large turbocharger dynamic balance rotor adjusting mechanism, which comprises a support seat, the top of the support seat is symmetrically connected with a vertical plate through sliding connection; each vertical plate is symmetrically connected with a sliding block in the middle; the sliding block is rotatably connected with a support disc in the middle; the vertical plate is rotatably connected with a lead screw; the lead screw and the sliding block are threadedly connected; the lead screw is provided with a handle on one side for control; the top of the inner wall of the fixed plate is fixedly connected with a first spring telescopic rod; the bottom of the first spring telescopic rod is fixedly connected with a pressing plate; the bottom of the pressing plate is rotatably connected with a runner; the top of the pressing plate is provided with a pressure sensor; the bottom of the fixed plate is provided with a driving mechanism for driving the rotor to rotate; through the cooperation of the lead screw and the sliding block, the synchronous adjustment of the position of a pair of support discs can be realized by rotating the lead screw, so that the support discs can support rotors of different sizes, and the flexibility and adaptability of the device for dynamic balance testing of different types of rotors are improved.

[0008] Preferably, the driving mechanism comprises a cylinder and a motor; the cylinder and the fixed plate are in fixed connection; the middle part of the fixed plate is symmetrically connected with a connecting block in sliding mode; the middle part of the connecting block is fixedly connected with a first connecting plate; the inner side wall of the first connecting plate is rotatably connected with a first belt pulley; a pair of first connecting plates are fixedly connected with a synchronous rod; one of the connecting blocks and the output end of the cylinder are in fixed connection; the inner side wall of the fixed plate is symmetrically provided with an extrusion mechanism; the output end of the motor, the extrusion mechanism and the first belt pulley are sleeved with a belt; starting the cylinder can make the belt close to the surface of the rotor and drive the rotor, improving the convenience of the device.

[0009] Preferably, the extrusion mechanism comprises a second spring telescopic rod; the second spring telescopic rod and the inner side wall of the fixed plate are in fixed connection; the end of the second spring telescopic rod is fixedly connected with a second connecting plate; the inner side wall of the second connecting plate is rotatably connected with a second belt pulley; when the cylinder adjusts the connecting block in sliding mode, the second spring telescopic rod will shrink correspondingly due to the slack tendency of the belt, so that the second connecting plate and the second belt pulley will exert an additional extrusion action on the belt, ensuring that the belt can be stably in a taut state.

[0010] Preferably, the middle part of the synchronous rod is fixedly connected with a plurality of scrapers; the scrapers are elastically arranged; the scrapers are located on the top of the belt; by arranging the scrapers, the belt will be in contact with the scrapers and be scraped by the scrapers when sliding along the first belt pulley, realizing the cleaning effect of the device on the surface of the belt and reducing the pollution of dust and impurities on the surface of the belt.

[0011] Preferably, the top of the inner side wall of the fixed plate is fixedly connected with a pair of cleaning plates; the surface of the cleaning plate is provided with a plurality of holes; a pair of cleaning plates are communicated with an air pipe at the top; the air pipe and the fixed plate are in through connection; when the rotor is adjusted in dynamic balance, an air pump can be connected to the air pipe to make the airflow enter the inside of the cleaning plate through the air pipe, and the airflow will be sprayed out of the holes on the surface of the cleaning plate and reach the surface of the rotor, so that the impurities attached to the surface of the rotor can be removed under the impact of the airflow, realizing the cleaning effect of the device on the rotor and reducing the interference of these impurities on the dynamic balance adjustment process.

[0012] Preferably, the top of the motor is fixedly connected with a baffle; the baffle and the support are in fixed connection; by arranging the baffle, the impurities removed from the surface of the rotor by the cleaning plate will diffuse under the action of the airflow, and the baffle will block these impurities, reducing the possibility of falling on the surface of the motor and reducing the pollution of the impurities on the surface of the motor.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model relates to a large turbocharger dynamic balance rotor adjusting mechanism, through the cooperation of positive and negative screw rod and sliding block, and synchronous adjustment of a pair of support disc position can be realized to positive and negative screw rod, so that the support disc can support the rotor of different sizes, improve the flexibility and adaptability of the device to different model rotor dynamic balance test.

[0015] 2. The utility model relates to a large turbocharger dynamic balance rotor adjusting mechanism, and the starting cylinder can make the belt close to the rotor surface and drive it, improve the convenience of the device to the rotor drive. DRAWINGS

[0016] In order to more clearly illustrate the utility model embodiment or prior art technical scheme, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skill in the prior art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the main body schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model vertical plate;

[0019] Figure 3 It is the structure schematic diagram of the utility model fixed plate;

[0020] Figure 4 It is the structure schematic diagram of the utility model belt;

[0021] Figure 5 It is the structure schematic diagram of the utility model scraper.

[0022] In the drawing: 1, support seat;12, vertical plate;13, sliding block;14, support disc;15, positive and negative screw rod;16, fixed plate;17, first spring telescopic rod;18, pressing plate;19, runner;2, cylinder;22, connecting block;23, first connecting plate;24, synchronous rod;25, motor;26, belt;27, first pulley;3, second spring telescopic rod;32, second connecting plate;33, second pulley;4, scraper;5, cleaning plate;52, air pipe;6, baffle. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0024] The specific embodiments are given below.

[0025] Please refer to Figures 1 to 5 The utility model discloses a large turbocharger dynamic balance rotor adjusting mechanism, including support seat 1, the top symmetry of support seat 1 is connected with the vertical board 12 of sliding, each vertical board 12 middle symmetry has the sliding block 13 of sliding, the middle rotation of sliding block 13 is connected with the support disc 14, the middle rotation of vertical board 12 is connected with positive and negative screw rod 15, positive and negative screw rod 15 and sliding block 13 are screw connections, one side of positive and negative screw rod 15 is equipped with the handle for control, the top of support seat 1 is fixedly connected with fixed plate 16, the top of the inboard wall of fixed plate 16 is fixedly connected with first spring telescopic rod 17, the bottom of first spring telescopic rod 17 is fixedly connected with pressing plate 18, the bottom rotation of pressing plate 18 is connected with runner 19, the top of pressing plate 18 is equipped with pressure sensor, the bottom of fixed plate 16 is equipped with the drive mechanism of drive rotor rotation, when working, can first move a pair of vertical board 12 to the appropriate position, its movement drive mode can be any radial drive structure, then can place the rotor between a pair of vertical board 12 and rotate support disc 14 through handle, when support disc 14 rotates, will make a pair of sliding block 13 move simultaneously to support the rotor, until the rotor can resist runner 19, then can make the rotor rotate through drive mechanism, when the rotor rotates, the uneven place of its surface mass will extrude runner 19 and pressing plate 18 to make first spring telescopic rod 17 be in compression state, and pressure sensor will also feedback data to corresponding display terminal, so that the device can adjust the rotor surface mass distribution according to the measurement structure, through the cooperation of positive and negative screw rod 15 and sliding block 13, rotating positive and negative screw rod 15 can realize the synchronous adjustment of the position of a pair of support disc 14, so that support disc 14 can support the rotor of different sizes, improve the flexibility and adaptability of the device to the dynamic balance test of different models of rotor.

[0026] Please refer to Figures 3 to 5As shown in the drawings, the driving mechanism comprises a cylinder 2 and a motor 25; the cylinder 2 and the fixed plate 16 are in fixed connection; the middle part of the fixed plate 16 is symmetrically connected with a connecting block 22 in sliding mode; the middle part of the connecting block 22 is fixedly connected with a first connecting plate 23; the inner side wall of the first connecting plate 23 is rotatably connected with a first belt pulley 27; a pair of the first connecting plates 23 are fixedly connected with a synchronous rod 24; one of the connecting blocks 22 and the output end of the cylinder 2 are in fixed connection; the inner side wall of the fixed plate 16 is symmetrically provided with an extrusion mechanism; the output end of the motor 25, the extrusion mechanism and the first belt pulley 27 are sleeved with a belt 26; when the motor 25 is started, the belt 26 will move; when the rotor needs to be rotated, the cylinder 2 can be started to make a pair of connecting blocks 22 slide along the fixed plate 16 under the connection of the synchronous rod 24, the belt 26 will also move together with the connecting block 22 and approach the rotor, at this time, the extrusion mechanism will extrude the belt 26 to make the belt 26 in a taut state, until the belt 26 and the rotor are in contact and can drive the rotor; starting the cylinder 2 can make the belt 26 approach the surface of the rotor and drive the rotor, improving the convenience of the device for driving the rotor.

[0027] As shown in the drawings, Figure 4 As shown in the drawings, the extrusion mechanism comprises a second spring telescopic rod 3; the second spring telescopic rod 3 and the inner side wall of the fixed plate 16 are in fixed connection; the end of the second spring telescopic rod 3 is fixedly connected with a second connecting plate 32; the inner side wall of the second connecting plate 32 is rotatably connected with a second belt pulley 33; when the cylinder 2 adjusts the connecting block 22 in sliding mode, the second spring telescopic rod 3 will shrink correspondingly because the belt 26 has a tendency to relax, so that the second connecting plate 32 and the second belt pulley 33 will extrude the belt 26, ensuring that the belt 26 can be stably in a taut state.

[0028] As shown in the drawings, Figure 5 As shown in the drawings, the middle part of the synchronous rod 24 is fixedly connected with a plurality of scrapers 4; the scrapers 4 are elastically arranged; the scrapers 4 are located on the top of the belt 26; by arranging the scrapers 4, when the belt 26 slides along the first belt pulley 27, the belt 26 will be in contact with the scrapers 4 and be scraped by the scrapers 4 to remove the impurities attached to the surface of the belt 26, realizing the cleaning effect of the device on the surface of the belt 26 and reducing the pollution of the dust and impurities on the surface of the belt 26.

[0029] As shown in the drawings, Figure 1 and Figure 3As shown in the fixed plate 16, the top of the inner wall is fixed with a pair of cleaning plate 5, the surface of the cleaning plate 5 is provided with a plurality of holes, a pair of the cleaning plate 5 top is communicated with the air pipe 52, the air pipe 52 and the fixed plate 16 are through, when the dynamic balance adjustment is carried out, the air pump is connected outside the air pipe 52, so that the airflow enters the inside of the cleaning plate 5 through the air pipe 52, the airflow is sprayed from the hole of the surface of the cleaning plate 5 and reaches the rotor surface, the impurities attached to the rotor surface are removed under the impact of the airflow, the device realizes the cleaning effect of the rotor, reduces the interference of the impurities to the dynamic balance adjustment process.

[0030] Please refer to Figure 3 As shown in the fixed plate 16, the top of the inner wall is fixed with a pair of cleaning plate 5, the surface of the cleaning plate 5 is provided with a plurality of holes, a pair of the cleaning plate 5 top is communicated with the air pipe 52, the air pipe 52 and the fixed plate 16 are through, when the dynamic balance adjustment is carried out, the air pump is connected outside the air pipe 52, so that the airflow enters the inside of the cleaning plate 5 through the air pipe 52, the airflow is sprayed from the hole of the surface of the cleaning plate 5 and reaches the rotor surface, the impurities attached to the rotor surface are removed under the impact of the airflow, the device realizes the cleaning effect of the rotor, reduces the interference of the impurities to the dynamic balance adjustment process.

[0031] Working principle: firstly, a pair of stand plates 12 are moved to the appropriate position, and the driving mode of movement can be any radial driving structure, then the rotor can be placed between a pair of stand plates 12 and rotated by the handle to support the disc 14, when the support disc 14 rotates, a pair of sliders 13 will move simultaneously to support the rotor, until the rotor can resist the runner 19, then the rotor can be rotated by the driving mechanism, the uneven surface of the rotor will extrude the runner 19 and the pressing plate 18, so that the first spring telescopic rod 17 is in a compressed state, and the pressure sensor will also feed back the data to the corresponding display terminal, so that the device can adjust the rotor surface quality distribution according to the measurement structure; when the motor 25 starts, the belt 26 will move, when the rotor needs to be rotated, the cylinder 2 can be started to make a pair of connecting blocks 22 slide along the fixed plate 16 under the connection action of the synchronous rod 24, the belt 26 will also move with the connecting block 22 and approach the rotor, at this time the extrusion mechanism will extrude the belt 26 correspondingly so that the belt 26 can be in a taut state, until the belt 26 and the rotor are in contact and can drive the rotor; when the cylinder 2 slides the connecting block 22, the second spring telescopic rod 3 will shrink correspondingly because the belt 26 has a tendency to relax, so that the second connecting plate 32 and the second pulley 33 will extrude the belt 26 additionally; by setting the scraper 4, when the belt 26 slides along the first pulley 27, it will contact the scraper 4 and be scraped by the scraper 4 to remove the impurities attached to its surface, realizing the cleaning effect of the device on the surface of the belt 26; when the rotor is dynamically balanced, the air pipe 52 can be connected to the air pump to make the airflow enter the inside of the cleaning plate 5 through the air pipe 52, the airflow will be sprayed from the hole on the surface of the cleaning plate 5 and reach the surface of the rotor, and the impurities attached to the surface of the rotor will be removed under the impact of the airflow, realizing the cleaning effect of the device on the rotor; by setting the baffle 6, the impurities removed from the surface of the rotor by the cleaning plate 5 will diffuse under the action of the airflow, and the baffle 6 will block these impurities to reduce the situation that they fall on the surface of the motor 25.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A large turbocharger dynamically balanced rotor adjustment mechanism comprising a support seat (1), characterized in that: The top of the support seat (1) is symmetrically connected with a vertical plate (12) through sliding connection; the middle of each vertical plate (12) is symmetrically connected with a sliding block (13) through sliding connection; the middle of the sliding block (13) is rotatably connected with a support disc (14); the middle of the vertical plate (12) is rotatably connected with a reversible screw rod (15); the reversible screw rod (15) and the sliding block (13) are threadedly connected; one side of the reversible screw rod (15) is provided with a handle for control; the top of the support seat (1) is fixedly connected with a fixed plate (16); the top of the inner side wall of the fixed plate (16) is fixedly connected with a first spring telescopic rod (17); the bottom of the first spring telescopic rod (17) is fixedly connected with a pressing plate (18); the bottom of the pressing plate (18) is rotatably connected with a rotating wheel (19); the top of the pressing plate (18) is provided with a pressure sensor; the bottom of the fixed plate (16) is provided with a driving mechanism for driving the rotation of the rotor.

2. A large turbocharger dynamically balanced rotor adjustment mechanism according to claim 1, characterized in that: The driving mechanism comprises a pneumatic cylinder (2) and a motor (25); the pneumatic cylinder (2) and the fixed plate (16) are fixedly connected; the middle of the fixed plate (16) is symmetrically connected with a connecting block (22) through sliding connection; the middle of the connecting block (22) is fixedly connected with a first connecting plate (23); the inner side wall of the first connecting plate (23) is rotatably connected with a first belt pulley (27); a pair of first connecting plates (23) are fixedly connected with a synchronous rod (24); one of the connecting blocks (22) and the output end of the pneumatic cylinder (2) are fixedly connected; the inner side wall of the fixed plate (16) is symmetrically provided with an extrusion mechanism; the output end of the motor (25), the extrusion mechanism and the first belt pulley (27) are sleeved with a belt (26).

3. A large turbocharger dynamically balanced rotor adjustment mechanism as set forth in claim 2 wherein: The extrusion mechanism comprises a second spring telescopic rod (3); the second spring telescopic rod (3) and the inner side wall of the fixed plate (16) are fixedly connected; the end of the second spring telescopic rod (3) is fixedly connected with a second connecting plate (32); the inner side wall of the second connecting plate (32) is rotatably connected with a second belt pulley (33).

4. A large turbocharger dynamically balanced rotor adjustment mechanism as set forth in claim 3 wherein: A plurality of scrapers (4) are fixedly connected to the middle of the synchronous rod (24); the scrapers (4) are elastically arranged; the scrapers (4) are located on the top of the belt (26).

5. A large turbocharger dynamically balanced rotor adjustment mechanism as set forth in claim 4 wherein: The top of the inner side wall of the fixed plate (16) is fixedly connected with a pair of cleaning plates (5); the surface of the cleaning plate (5) is provided with a plurality of holes; the top of a pair of cleaning plates (5) is communicated with an air pipe (52); the air pipe (52) penetrates through the fixed plate (16).

6. A large turbocharger dynamically balanced rotor adjustment mechanism as set forth in claim 5 wherein: The top of the motor (25) is fixedly connected with a baffle (6); the baffle (6) and the support seat (1) are fixedly connected.

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