CN221053988U

CN221053988U - Multi-stage impeller structure for turbocharger

Info

Publication number: CN221053988U
Application number: CN202323195455.7U
Authority: CN
Inventors: 蒋富军; 仇海东
Original assignee: Tianjin United Ocean Engineering Co ltd
Current assignee: Tianjin United Ocean Engineering Co ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-05-31
Anticipated expiration: 2033-11-24

Abstract

The utility model relates to the technical field of turbocharger impellers, and discloses a multistage impeller structure for a turbocharger, which comprises: the top of the chassis is fixedly provided with a mounting cylinder, and the side surface of the mounting cylinder is provided with a clamping groove; the dismounting mechanism is arranged in the clamping groove. According to the utility model, the installation cylinder, the clamping groove, the clamping block and the connecting plate are arranged, when an operator needs to replace or maintain the damaged blade body, the threaded sleeve can be separated from the outer surface of the threaded cylinder by rotating the threaded sleeve, so that the fixing effect on the clamping block is relieved, and then the operator can drive the clamping block to be separated from the inside of the clamping groove by pulling the blade body upwards, so that the damaged blade body is detached independently, the maintenance of the operator is facilitated, the replacement of the whole impeller is avoided, and the maintenance cost is reduced.

Description

Multi-stage impeller structure for turbocharger

Technical Field

The utility model relates to the technical field of turbocharger impellers, in particular to a multistage impeller structure for a turbocharger.

Background

The turbocharger is in fact an air compressor, which is one of the main components of aircraft engines, gas and steam turbines, automobile and marine turbochargers, and the impeller is a very important structure in turbochargers.

The turbocharger impeller is a machine for converting the energy of flowing working media into rotary power of mechanical work, the impeller is used as a main working part in the continuous use process of the turbocharger, the continuous compressed air is easy to damage, the impeller of the existing turbocharger is generally of an integrated structure, when a certain blade is damaged, the whole impeller is abandoned, the whole impeller assembly is required to be completely replaced, the maintenance cost is greatly increased, the waste of resources is caused, and the turbocharger needs to be improved.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a multistage impeller structure for a turbocharger, which has the advantage of independently disassembling blades.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-stage impeller structure for a turbocharger, comprising:

The top of the chassis is fixedly provided with a mounting cylinder, and the side surface of the mounting cylinder is provided with a clamping groove;

the dismounting mechanism is arranged in the clamping groove;

The fixing mechanism is arranged at the top of the mounting cylinder;

The dismounting mechanism comprises a clamping block, the outer surface of the clamping block is movably connected with the inner surface of the clamping groove, the clamping block moves upwards to be separated from the clamping groove, the outer surface of the clamping block is fixedly connected with a blade body, the bottom of the blade body is fixedly connected with a connecting plate, the bottom of the connecting plate penetrates through the chassis and extends to the lower side of the chassis and is movably connected with the inner wall of the chassis, and a notch is formed in the connecting plate.

As a preferred technical solution of the present utility model, the fixing mechanism includes:

the bottom of the threaded cylinder is fixedly connected with the top of the mounting cylinder;

The inner wall of the thread bush is in threaded sleeve connection with the outer surface of the thread cylinder, and the bottom of the thread bush is movably connected with the top of the installation cylinder.

As a preferable technical scheme of the utility model, the bottom of the chassis is fixedly connected with a connecting flange, and the outer surface of the connecting flange is movably sleeved with a movable plate.

As a preferable technical scheme of the utility model, the inside of the connecting flange is movably sleeved with the bolt, and the top end of the bolt penetrates through the connecting flange and the movable plate and extends into the movable plate to be in threaded sleeve connection with the inner wall of the movable plate.

As a preferable technical scheme of the utility model, the upper surface of the movable plate is fixedly provided with a fixed block, and the outer surface of the fixed block is movably sleeved with the inner surface of the notch.

As a preferable technical scheme of the utility model, a limiting block is fixedly arranged on the inner surface of the mounting cylinder, a rotating shaft is movably sleeved in the mounting cylinder, the bottom end of the rotating shaft penetrates through the chassis and the connecting flange and extends to the lower part of the connecting flange, a limiting groove is formed in the outer surface of the rotating shaft, and the inner surface of the limiting groove is movably connected with the outer surface of the limiting block.

As a preferable technical scheme of the utility model, a cavity is formed in the top end of the rotating shaft, and a spring is fixedly arranged on the left side of the inner surface of the cavity.

As a preferable technical scheme of the utility model, the right end of the spring is fixedly connected with the sliding block, the right end of the sliding block penetrates through the cavity, extends to the right side of the cavity and is movably sleeved with the inner wall of the cavity, the lower surface of the sliding block is movably connected with the upper surfaces of the thread cylinder and the thread sleeve respectively, and the sliding block can fix the rotating shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the installation cylinder, the clamping groove, the clamping block and the connecting plate are arranged, when an operator needs to replace or maintain the damaged blade body, the threaded sleeve can be separated from the outer surface of the threaded cylinder by rotating the threaded sleeve, so that the fixing effect on the clamping block is relieved, and then the operator can drive the clamping block to be separated from the inside of the clamping groove by pulling the blade body upwards, so that the damaged blade body is detached independently, the maintenance of the operator is facilitated, the replacement of the whole impeller is avoided, and the maintenance cost is reduced.

2. According to the utility model, by arranging the limiting block, the rotating shaft, the spring and the sliding block, when an operator needs to take down the whole chassis, the sliding block can be pushed inwards to enable the sliding block to enter the cavity, and at the moment, the operator can pull the whole chassis upwards, so that the whole chassis is detached from the outer surface of the rotating shaft, the disassembly and maintenance of the operator are facilitated, and meanwhile, the installation of the operator on the whole chassis is facilitated, and further, the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front face of the present utility model;

FIG. 3 is a schematic cross-sectional view of the top portion of the present utility model;

FIG. 4 is a schematic cross-sectional view of a connection plate of the present utility model;

FIG. 5 is a schematic view of the structure of the bottom part of the present utility model;

FIG. 6 is a schematic view of the structure of the mounting cartridge of the present utility model;

FIG. 7 is a schematic view of a latch according to the present utility model;

FIG. 8 is a schematic view of a blade body according to the present utility model

Fig. 9 is a partially enlarged schematic structural view of fig. 2 a.

In the figure: 1. a chassis; 2. a mounting cylinder; 3. a clamping groove; 4. a clamping block; 5. a blade body; 6. a connecting plate; 7. a notch; 8. a connecting flange; 9. a movable plate; 10. a bolt; 11. a fixed block; 12. a thread cylinder; 13. a thread sleeve; 14. a limiting block; 15. a rotating shaft; 16. a limit groove; 17. a cavity; 18. a spring; 19. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 9, the present utility model provides a multistage impeller structure for a turbocharger, comprising:

the chassis 1, the top of chassis 1 is fixedly fitted with the mounting cylinder 2, the side of the mounting cylinder 2 has draw-in grooves 3;

the dismounting mechanism is arranged in the clamping groove 3;

The fixing mechanism is arranged at the top of the mounting cylinder 2;

Wherein, the detaching mechanism is including fixture block 4, the surface of fixture block 4 and the internal surface swing joint of draw-in groove 3, the inside that the fixture block 4 upwards moved will break away from draw-in groove 3, the surface fixedly connected with blade body 5 of fixture block 4, the bottom fixedly connected with connecting plate 6 of blade body 5, the bottom of connecting plate 6 runs through chassis 1 and extends to chassis 1's below and with chassis 1's inner wall swing joint, notch 7 has been seted up to the inside of connecting plate 6.

Through setting up mounting cylinder 2, fixture block 4 is through the joint with mounting cylinder 2 to can accomplish the fixed to blade body 5, the internal surface of draw-in groove 3 is all smooth with the surface of fixture block 4, thereby make the inside that the fixture block 4 can be more smooth and easy insert to draw-in groove 3 or take out from the inside of draw-in groove 3, operating personnel can change and maintain the blade that takes place the damage alone, the maintenance degree of difficulty has been reduced, the waste of resource has also been avoided simultaneously, because the design of connecting plate 6, make blade body 5 can be more stable when the operation.

Wherein, fixed establishment is including:

the bottom of the threaded cylinder 12 is fixedly connected with the top of the installation cylinder 2;

The inner wall of the thread bush 13 is in threaded sleeve connection with the outer surface of the thread cylinder 12, and the bottom of the thread bush 13 is movably connected with the top of the installation cylinder 2.

The operator can release the fixing action on the cartridge 4 by rotating the screw cap 13 such that the screw cap 13 is disengaged from the outer surface of the screw cylinder 12, so that the operator can take out the cartridge 4 from the inside of the cartridge 3.

Wherein, the bottom fixedly connected with flange 8 of chassis 1, flange 8's surface activity has cup jointed fly leaf 9.

By providing the connection flange 8, the movable plate 9 can be rotated on the outer surface of the connection flange 8.

Wherein, bolt 10 has been cup jointed in the inside activity of flange 8, and the top of bolt 10 runs through flange 8 and fly leaf 9 and extends to the inside of fly leaf 9 and cup joints with the inner wall screw thread of fly leaf 9.

By providing the bolts 10, the bolts 10 are allowed to fix between the movable plate 9 and the connection flange 8.

Wherein, fixed block 11 is fixedly arranged on the upper surface of movable plate 9, and the outer surface of fixed block 11 is movably sleeved with the inner surface of notch 7.

Through setting up fixed block 11 for fly leaf 9 can drive fixed block 11 and take place to rotate when taking place, thereby makes the side of fixed block 11 enter into notch 7's inside, and then fixes connecting plate 6, thereby makes blade body 5 can be more stable when the operation.

The inner surface of the installation cylinder 2 is fixedly provided with a limiting block 14, a rotating shaft 15 is movably sleeved in the installation cylinder 2, the bottom end of the rotating shaft 15 penetrates through the chassis 1 and the connecting flange 8 and extends to the lower portion of the connecting flange 8, the outer surface of the rotating shaft 15 is provided with a limiting groove 16, and the inner surface of the limiting groove 16 is movably connected with the outer surface of the limiting block 14.

Through setting up stopper 14 for pivot 15 is after inserting the inside of installation section of thick bamboo 2, and stopper 14 can get into the inside of spacing groove 16, thereby makes pivot 15 can drive installation section of thick bamboo 2 through stopper 14 and take place the rotation.

Wherein, cavity 17 has been seted up to the inside on pivot 15 top, and the left side of cavity 17 internal surface is fixed mounting has spring 18.

By providing the spring 18, the spring 18 is able to exert an outward spring force upon being subjected to a compressive force.

The right end of the spring 18 is fixedly connected with a sliding block 19, the right end of the sliding block 19 penetrates through the cavity 17 and extends to the right side of the cavity 17 and is movably sleeved with the inner wall of the cavity 17, the lower surface of the sliding block 19 is movably connected with the upper surfaces of the threaded cylinder 12 and the threaded sleeve 13 respectively, and the sliding block 19 can fix the rotating shaft 15.

By providing the slider 19, the slider 19 can fix the rotation shaft 15, and the rotation shaft 15 is prevented from falling off from the inside of the mounting cylinder 2.

The working principle and the using flow of the utility model are as follows:

When operating personnel need dismantle chassis 1 wholly, can be through inwards promoting slider 19 for slider 19 gets into the inside of cavity 17, and then releases the holistic fixed action to chassis 1, and operating personnel can be through pulling chassis 1 wholly upwards this moment, thereby make pivot 15 break away from the inside of installation section of thick bamboo 2, and then take off chassis 1 wholly from the surface of pivot 15, made things convenient for operating personnel to overhaul and install.

When the chassis 1 is taken down wholly, when operating personnel need change the blade body 5 of damage, at first through rotatory bolt 10 for bolt 10 breaks away from flange 8's inside, thereby remove flange 8 and fly leaf 9 between fixed, then through rotatory fly leaf 9, thereby drive fixed block 11 and take place the rotation, and then make fixed block 11 break away from notch 7's inside, and then remove the fixed action to connecting plate 6, operating personnel can pass through rotatory thread bush 13 this moment, make thread bush 13 break away from the surface of screw section of thick bamboo 12, thereby remove the fixed action to fixture block 4, make operating personnel can upwards pull blade body 5, thereby drive fixture block 4 break away from draw-in groove 3's inside, and then can take off damaged blade body 5, make operating personnel can carry out solitary maintenance and change to damaged blade body 5, avoided changing the impeller wholly, thereby cost of maintenance has been reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-stage impeller structure for a turbocharger, comprising:

The device comprises a chassis (1), wherein an installation cylinder (2) is fixedly installed at the top of the chassis (1), and a clamping groove (3) is formed in the side surface of the installation cylinder (2);

The dismounting mechanism is arranged in the clamping groove (3);

The fixing mechanism is arranged at the top of the mounting cylinder (2);

Wherein, detaching mechanism is including fixture block (4), the surface of fixture block (4) and the internal surface swing joint of draw-in groove (3), the inside that will break away from draw-in groove (3) is moved to fixture block (4) upwards, the surface fixedly connected with blade body (5) of fixture block (4), the bottom fixedly connected with connecting plate (6) of blade body (5), the bottom of connecting plate (6) runs through chassis (1) and extends to the below of chassis (1) and with the inner wall swing joint of chassis (1), notch (7) have been seted up to the inside of connecting plate (6).

2. A multi-stage impeller structure for a turbocharger as claimed in claim 1, wherein: the fixing mechanism comprises:

The bottom of the threaded cylinder (12) is fixedly connected with the top of the mounting cylinder (2);

The inner wall of the thread bush (13) is in threaded sleeve connection with the outer surface of the thread cylinder (12), and the bottom of the thread bush (13) is movably connected with the top of the installation cylinder (2).

3. A multi-stage impeller structure for a turbocharger as claimed in claim 1, wherein: the bottom of the chassis (1) is fixedly connected with a connecting flange (8), and a movable plate (9) is movably sleeved on the outer surface of the connecting flange (8).

4. A multi-stage impeller structure for a turbocharger according to claim 3, wherein: the inside activity of flange (8) has cup jointed bolt (10), the top of bolt (10) runs through flange (8) and fly leaf (9) and extends to the inside of fly leaf (9) and cup joints with the inner wall screw thread of fly leaf (9).

5. A multi-stage impeller structure for a turbocharger according to claim 3, wherein: the upper surface of the movable plate (9) is fixedly provided with a fixed block (11), and the outer surface of the fixed block (11) is movably sleeved with the inner surface of the notch (7).

6. A multi-stage impeller structure for a turbocharger as claimed in claim 1, wherein: the utility model discloses a stopper, including installation section of thick bamboo (2), internal surface fixed mounting has stopper (14), the inside activity of installation section of thick bamboo (2) has cup jointed pivot (15), chassis (1) and flange (8) are run through to the bottom of pivot (15) and extend to flange (8) below, spacing groove (16) have been seted up to the surface of pivot (15), the internal surface of spacing groove (16) and the surface swing joint of stopper (14).

7. A multi-stage impeller structure for a turbocharger as claimed in claim 6, wherein: a cavity (17) is formed in the top end of the rotating shaft (15), and a spring (18) is fixedly arranged on the left side of the inner surface of the cavity (17).

8. A multi-stage impeller structure for a turbocharger as claimed in claim 7, wherein: the right-hand member fixedly connected with slider (19) of spring (18), the right-hand member of slider (19) runs through cavity (17) and extends to the right side of cavity (17) and cup joints with the inner wall activity of cavity (17), the lower surface of slider (19) respectively with screw thread section of thick bamboo (12) and the upper surface swing joint of screw thread cover (13), slider (19) can fix pivot (15).