CN215595667U - Jigging device with noise reduction and shock absorption functions - Google Patents

Abstract

The utility model discloses a jigger with noise reduction and shock absorption functions, which is used for assisting jigger operation and belongs to the technical field of steam turbine jigger; the rolling device comprises a steam turbine rotor and a working platform, wherein a concave outer frame is arranged outside the working platform, a first damping assembly is connected between the working platform and the concave outer frame, supporting legs are arranged at the bottom of the working platform, a second damping assembly is arranged at the bottom of the supporting legs, a power source, a worm wheel and a worm are arranged on the working platform, the power source is connected with the worm wheel, a driving sprocket is sleeved on the worm, a driven sprocket is sleeved on the steam turbine rotor, and the driving sprocket is connected with the driven sprocket through a chain; according to the utility model, the first damping component and the second damping component are arranged, so that the damping and buffering effects on the working platform and the supporting legs can be realized, the noise is reduced, the whole disc-moving device stably operates, and the equipment loss and the damage to the steam turbine rotor are reduced.

Description

Jigging device with noise reduction and shock absorption functions

Technical Field

The utility model provides a dish moves device with damping effect of making an uproar falls for the supplementary barring operation that carries out belongs to steam turbine barring technical field.

Background

The turning gear is used for manually rotating the motor for several circles before starting the motor so as to judge the load driven by the motor, namely whether a mechanical or transmission part is blocked and the resistance is increased, so that the starting load of the motor is not increased and the motor is not damaged; the turbine turning device is mainly used for starting and turning of the turbine, and the turbine can rotate conveniently.

The existing steam turbine barring device is provided with a manual barring tool and a mechanical barring device, the manual barring tool is small in size and convenient to carry, but manual operation is laborious, and some mechanical barring devices are high in noise during operation, and parts of the mechanical device are easily damaged by violent and severe vibration and damage to a rotor to be barring is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a dish moves device with damping action of making an uproar falls can play shock attenuation cushioning effect to work platform and supporting legs through first damper assembly and second damper assembly's setting to the production of noise abatement makes whole dish move device operate steadily, has reduced the equipment loss, has avoided vibrations to bring the damage to the steam turbine rotor simultaneously.

The technical scheme adopted by the utility model is as follows:

in order to achieve the purpose, the utility model provides a disk-moving device with noise reduction and shock absorption effects, which comprises a steam turbine rotor and a working platform, wherein a concave outer frame is arranged outside the working platform, a first shock absorption assembly is connected between the working platform and the concave outer frame, a supporting foot is arranged at the bottom of the working platform, a second shock absorption assembly is arranged at the bottom of the supporting foot, an installation frame, a power source, a worm wheel and a worm are arranged on the working platform, the power source is connected with the worm wheel, the worm wheel is connected with the worm in a meshed mode, the worm is rotatably connected to the installation frame, a driving sprocket is sleeved on the worm, a driven sprocket is sleeved on the steam turbine rotor, and the driving sprocket is connected with the driven sprocket through a chain.

Preferably, the first damping assembly comprises a first compression spring, a first sliding rail and a first sliding block, the first compression spring is arranged between the side face of the working platform and the inner wall of the concave outer frame, the first sliding block is arranged at the bottom of the working platform, and the first sliding rail is arranged on the surface of the concave outer frame and matched with the first sliding block.

Preferably, the power source comprises a driving motor and a reduction gearbox, the output end of the driving motor is connected with the reduction gearbox, and the output end of the reduction gearbox is connected with the worm wheel.

Preferably, the second damping component comprises an outer barrel, and a cavity, a buffer plate and a second compression spring which are arranged in the outer barrel, the lower ends of the supporting legs penetrate through the top of the outer barrel and extend into the cavity in the outer barrel, the lower ends of the supporting legs are connected with the buffer plate, and the bottom surface of the buffer plate is connected with the inner bottom wall of the outer barrel through the second compression spring.

Preferably, the part of the lower end of the supporting leg, which is positioned in the cavity, is also sleeved with a third compression spring.

Preferably, the driving sprocket and the driven sprocket are on the same horizontal plane.

Preferably, the bottom of the second shock absorption assembly is provided with a suction cup.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the first damping assembly, when the vibration action generated by the power source is transmitted to the working platform, the first compression spring can buffer the vibration received by the working platform, so that the vibration action force is reduced, and the noise is reduced.

2. According to the utility model, the second damping assembly is arranged, wherein the buffer plate and the second compression spring are arranged to damp the supporting leg, and the second compression spring is extruded through the buffer plate, so that the supporting leg is damped and buffered, the shaking of the supporting leg is reduced, and the noise is reduced.

3. The bottom of the second damping component is provided with the sucking disc; the bottom surface can be firmly sucked by the supporting legs through the arrangement of the sucking discs, and the stability of the whole working platform is improved.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a top plan view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the work platform of the present invention.

Labeled as: 1-a working platform, 2-a concave outer frame, 3-a first damping component, 301-a first compression spring, 302-a first sliding rail, 303-a first sliding block, 4-a supporting foot, 5-a second damping component, 501-an outer barrel, 502-a buffer plate, 503-a second compression spring, 504-a cavity, 505-a third compression spring, 6-a sucker, 7-a power source, 701-a driving motor, 702-a reduction box, 8-a worm gear, 9-a worm, 10-a mounting rack, 11-a driving sprocket, 12-a chain, 13-a driven sprocket and 14-a steam turbine rotor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, the embodiment provides a turning device with noise reduction and vibration reduction effects, which includes a turbine rotor 14 and a working platform 1, a concave outer frame 2 is arranged outside the working platform 1, a first vibration reduction assembly 3 is connected between the working platform 1 and the concave outer frame 2, a supporting foot 4 is arranged at the bottom of the working platform 1, a second vibration reduction assembly 5 is arranged at the bottom of the supporting foot 4, an installation frame 10, a power source 7, a worm wheel 8 and a worm 9 are arranged on the working platform 1, the power source 7 includes a driving motor 701 and a reduction gearbox 702, the output end of the driving motor 701 is connected with the reduction gearbox 702, the output end of the reduction gearbox 702 is connected with the worm wheel 8, the worm wheel 8 is meshed with the worm 9, the worm 9 is rotatably connected to the installation frame 10, a driving sprocket 11 is sleeved on the worm 9, a driven sprocket 13 is sleeved on the turbine rotor 14, the driving chain wheel 11 and the driven chain wheel 13 are connected through a chain 12, and the driving chain wheel 11 and the driven chain wheel 13 are on the same horizontal plane.

When carrying out the barring, give worm wheel 8 with power transmission through power supply 7, worm wheel 8 drives worm 9 and rotates, thereby drive driving sprocket 11 and rotate, will rotate power transmission and give driven sprocket 13 through chain 12, finally drive steam turbine rotor 14 and take place to rotate, thereby realize the barring operation, at the barring in-process, power supply 7 can produce a large amount of noises, and be accompanied with vibrations, can play the cushioning effect to work platform 1 through the setting of first damper assembly 3, thereby the production of noise abatement, and can play the cushioning effect to supporting legs 4 through the setting of two damper assemblies, further noise abatement's production, make whole barring device operate steadily, vibrations are little, the equipment loss has been reduced, the possibility of bringing the damage to steam turbine rotor 14 has been reduced simultaneously.

Example 2

In this embodiment, it is further preferable that the first damping component 3 includes a first compression spring 301, a first sliding rail 302 and a first sliding block 303, the first compression spring 301 is disposed between the side surface of the working platform 1 and the inner wall of the concave outer frame 2, the first sliding block 303 is disposed at the bottom of the working platform 1, and the first sliding rail 302 is disposed on the surface of the concave outer frame 2 and is matched with the first sliding block 303.

In this embodiment, when the vibrations effect that power supply 7 produced transmits work platform 1, first compression spring 301 can cushion the vibrations that work platform 1 received, reduces the vibrations effort to the production of noise reduction, the first slider 303 of work platform 1 bottom can take place to slide at vibrations in-process, and the setting of first slide rail 302 can be with first slider 303 restriction in the track of first slide rail 302, thereby reduces rocking of work platform 1.

Example 3

This embodiment is further preferable to embodiment 1, in which the second damping assembly 5 includes an outer cylinder 501, and a cavity 504, a buffer plate 502 and a second compression spring 503 which are provided inside the outer cylinder 501, the lower end of the supporting foot 4 extends into the cavity 504 inside the outer cylinder 501 through the top of the outer cylinder 501, the lower end of the supporting foot 4 is connected to the buffer plate 502, and the bottom surface of the buffer plate 502 is connected to the inner bottom wall of the outer cylinder 501 through the second compression spring 503.

In this embodiment, can carry out the shock attenuation to supporting legs 4 through buffer board 502 and second compression spring 503's setting, extrude second compression spring 503 through buffer board 502 to realize supporting legs 4's shock attenuation buffering, reduce rocking of supporting legs 4, the production of noise reduction, wherein, buffer board 502 and cavity 504 inner wall sliding connection improve buffer board 502's buffering effect.

Example 4

In this embodiment, it is further preferable that a third compression spring 505 is further sleeved on a portion of the lower end of the supporting leg 4, which is located in the cavity 504; the supporting leg 4 can further play a role in buffering when swinging up and down through the arrangement of the third compression spring 505, and the swinging amplitude is reduced.

Example 5

The embodiment is further preferable based on embodiment 1, and a suction cup 6 is arranged at the bottom of the second damping component 5; the supporting legs 4 can be enabled to more firmly suck the ground through the arrangement of the suckers 6, and the stability of the whole working platform 1 is improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.

Claims (7)

1. The utility model provides a dish moves device with damping effect of making an uproar falls, includes steam turbine rotor (14) and work platform (1), its characterized in that, work platform (1) outside is equipped with a spill frame (2), be connected with first shock-absorbing component (3) between work platform (1) and spill frame (2), work platform (1) bottom is equipped with supporting legs (4), supporting legs (4) bottom is equipped with second shock-absorbing component (5), be equipped with mounting bracket (10), power supply (7), worm wheel (8) and worm (9) on work platform (1), power supply (7) link to each other with worm wheel (8), worm wheel (8) are connected with worm (9) meshing, worm (9) rotate to be connected on mounting bracket (10), the cover is equipped with drive sprocket (11) on worm (9), driven sprocket (13) are gone up to steam turbine rotor (14), the driving chain wheel (11) is connected with the driven chain wheel (13) through a chain (12).

2. A disk drive with noise reduction and vibration reduction functions as claimed in claim 1, wherein the first vibration reduction assembly (3) comprises a first compression spring (301), a first slide rail (302) and a first slide block (303), the first compression spring (301) is arranged between the side surface of the working platform (1) and the inner wall of the concave outer frame (2), the first slide block (303) is arranged at the bottom of the working platform (1), and the first slide rail (302) is arranged on the surface of the concave outer frame (2) and matched with the first slide block (303).

3. The jiggling device with noise reduction and shock absorption functions according to claim 1, wherein the power source (7) comprises a driving motor (701) and a reduction gearbox (702), the output end of the driving motor (701) is connected with the reduction gearbox (702), and the output end of the reduction gearbox (702) is connected with the worm wheel (8).

4. A jigger with noise reducing and shock absorbing functions as claimed in claim 1, wherein said second shock absorbing assembly (5) comprises an outer cylinder (501), and a cavity (504), a buffer plate (502) and a second compression spring (503) arranged inside the outer cylinder (501), the lower ends of the supporting legs (4) extend into the cavity (504) inside the outer cylinder (501) through the top of the outer cylinder (501), the lower ends of the supporting legs (4) are connected with the buffer plate (502), and the bottom surface of the buffer plate (502) is connected with the inner bottom wall of the outer cylinder (501) through the second compression spring (503).

5. A jiggling device with noise reduction and shock absorption functions as claimed in claim 1, wherein the lower end of the supporting foot (4) in the cavity (504) is further sleeved with a third compression spring (505).

6. A jiggling device with noise reduction and vibration reduction functions as claimed in claim 1, wherein the driving sprocket (11) and the driven sprocket (13) are on the same horizontal plane.

7. A jigger with noise reduction and vibration reduction functions as claimed in claim 1, wherein the second vibration reduction assembly (5) is provided with a suction cup (6) at the bottom.

Images