CN216477489U

CN216477489U - Turbine machinery honeycomb seal assembly with good sealing effect

Info

Publication number: CN216477489U
Application number: CN202123292590.4U
Authority: CN
Inventors: 廖俊芳
Original assignee: Chengdu Aidi Electric Power Equipment Co ltd
Current assignee: Chengdu Aidi Electric Power Equipment Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-05-10
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a turbine machinery honeycomb seal assembly with good sealing effect, which belongs to the technical field of turbine machinery, and comprises a honeycomb assembly, wherein a seal plug is fixedly connected on the honeycomb assembly, the honeycomb assembly comprises a mounting disc and a honeycomb seal tube, the honeycomb seal tube is fixedly connected with the mounting disc, the seal plug comprises a telescopic part and a sealing part, the telescopic part is fixedly connected with one end of the honeycomb seal tube, which is far away from the mounting disc, the sealing part is fixedly connected with one end of the telescopic part, which is far away from the honeycomb seal tube, a jacking mechanism is arranged between the sealing part and the honeycomb seal tube, and the jacking mechanism is used for controlling the seal plug to jack up; the utility model discloses in, the honeycomb subassembly passes through the sealing plug and keeps good sealed effect throughout with the last coupling assembling of turbomachinery.

Description

Turbine machinery honeycomb seal assembly with good sealing effect

Technical Field

The utility model relates to a turbomachinery technical field, more specifically say, relate to a sealed effectual turbomachinery honeycomb seal subassembly.

Background

A dynamic fluid machine having a vane. The turbomachinery has a common feature that a rotor having blades rotates at a high speed, and when a fluid flows through passages between the blades, the blades and the fluid generate a force interaction, thereby achieving energy conversion. Turbomachines are divided into a prime mover and a driven machine according to the direction of energy conversion.

At present, turbomachinery is as dynamic fluid machinery, often needs to seal through honeycomb seal assembly when using, and most honeycomb seal assemblies that have now are when transparent mechanical seal, usually in the internally mounted structure of subassembly in order to improve the leakproofness, and the gap that the honeycomb seal assembly junction produced is often neglected, and the honeycomb seal assembly junction is in case taken place to become flexible, causes the influence to turbomachinery's sealed effect easily.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a sealed effectual turbomachinery honeycomb seal subassembly aims at solving the above-mentioned problem that exists among the prior art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a sealed effectual turbomachinery honeycomb seal subassembly, includes the honeycomb subassembly, fixedly connected with sealing plug on the honeycomb subassembly, the honeycomb subassembly includes mounting disc and honeycomb sealed tube, fixed connection between honeycomb sealed tube and the mounting disc, the sealing plug includes pars contractilis and sealing, pars contractilis fixed connection keeps away from the one end of mounting disc in the honeycomb sealed tube, sealing fixed connection keeps away from the one end of honeycomb sealed tube in pars contractilis, be provided with the tight mechanism in top between sealing and the honeycomb sealed tube, the tight mechanism in top is used for controlling the sealing plug and upwards pushes up tightly.

As an optimized scheme of the utility model, the tight mechanism in top includes two dead levers, two dogs, two tight pieces in top, two springs and two connecting rods, two the equal fixed connection of dead lever is in the surface of honeycomb sealed tube, two the dog is fixed connection respectively in the one end that two dead levers were kept away from mutually, two the tight piece in top is sliding connection respectively in the surface of two dead levers, two the surface of two dead levers is located to the spring cover respectively, and every spring is located between a dog and the tight piece in top, two the connecting rod articulates in the surface of two tight pieces in top, two through hinge activity respectively the one end that two dead levers were kept away from to the connecting rod all articulates in the surface of sealing through the hinge activity.

As a preferred scheme of the utility model, two the equal fixedly connected with slider of surface of tight piece in top, two firm poles of surface fixedly connected with of honeycomb sealed tube, two slider difference sliding connection is in the surface of two firm poles.

As an optimized scheme of the utility model, two fixed blocks, two of the fixed surface of honeycomb sealed tube is connected with equal fixedly connected with connecting block on the fixed block.

As a preferred scheme of the utility model, it has a plurality of mounting holes, a plurality of to cut on the mounting disc the mounting hole centers on the center pin evenly distributed of mounting disc.

As an optimized proposal of the utility model, the bottom of the mounting plate is chiseled with anti-skid lines.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses in, the honeycomb sealed tube passes through the mounting disc installation fixed, and the honeycomb sealed tube seals turbo machine, and when coupling assembling on turbo machine connects on the honeycomb sealed tube, the honeycomb sealed tube passes through pars contractilis and sealing is sealed to the junction, and the pars contractilis has certain elasticity to can improve the sealed effect of junction between honeycomb sealed tube and the coupling assembling.

(2) The utility model discloses in, when the last coupling assembling of turbomachinery and honeycomb sealed tube junction take place not hard up, the spring action of two springs in the tight mechanism in top is on two tight pieces in top, two tight pieces in top are close to mutually with the sealing portion jack-up through two connecting rods, the sealing portion can carry out the removal of certain degree through the pars contractilis to complement coupling assembling and honeycomb sealed tube junction because of the not hard up gap that produces, make the honeycomb subassembly pass through the sealing plug and keep good sealed effect throughout with the last coupling assembling of turbomachinery.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of a middle part structure of the present invention.

The reference numbers in the figures illustrate:

1. a honeycomb assembly; 101. installing a disc; 102. a honeycomb seal tube; 2. a sealing plug; 201. a telescopic part; 202. a sealing part; 3. fixing the rod; 4. a stopper; 5. a jacking block; 6. a spring; 7. a connecting rod; 8. a slider; 9. a stabilizing rod; 10. a fixed block; 11. connecting blocks; 12. mounting holes; 13. and (4) anti-skid lines.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a turbine machinery honeycomb seal assembly with good sealing effect comprises a honeycomb assembly 1, a seal plug 2 is fixedly connected to the honeycomb assembly 1, the honeycomb assembly 1 comprises a mounting disc 101 and a honeycomb seal tube 102, the honeycomb seal tube 102 is fixedly connected to the mounting disc 101, the seal plug 2 comprises a telescopic portion 201 and a sealing portion 202, the telescopic portion 201 is fixedly connected to one end of the honeycomb seal tube 102 far away from the mounting disc 101, the sealing portion 202 is fixedly connected to one end of the telescopic portion 201 far away from the honeycomb seal tube 102, a jacking mechanism is arranged between the sealing portion 202 and the honeycomb seal tube 102, and the jacking mechanism is used for controlling the seal plug 2 to jack up.

In this embodiment, the honeycomb seal pipe 102 is fixed by the mounting plate 101, the honeycomb seal pipe 102 seals the turbo machine, when the connecting component on the turbo machine is connected to the honeycomb seal tube 102, the honeycomb seal tube 102 seals the connection part through the expansion part 201 and the sealing part 202, the expansion part 201 has certain elasticity and can expand and contract to a certain extent, thereby improving the sealing effect of the joint between the honeycomb seal tube 102 and the connecting assembly, and when the joint between the connecting assembly and the honeycomb seal tube 102 on the turbo machine is loosened, the tightening mechanism pushes up the sealing part 202, the sealing part 202 can move to a certain degree through the telescopic part 201, so as to complement the gap generated by the loose connection between the connecting component and the honeycomb sealing pipe 102, therefore, the honeycomb component 1 always keeps good sealing effect with the connecting component on the turbo machine through the sealing plug 2.

Specifically, the tightening mechanism includes two fixed rods 3, two stoppers 4, two tightening blocks 5, two springs 6 and two connecting rods 7, two equal fixed connections of fixed rod 3 are in the surface of honeycomb sealed tube 102, two stoppers 4 are respectively fixed connection in the one end that two fixed rods 3 kept away from mutually, two tightening blocks 5 are respectively sliding connection in the surface of two fixed rods 3, two springs 6 overlap the surface of locating two fixed rods 3 respectively, and every spring 6 is located between one stopper 4 and one tightening block 5, two connecting rods 7 articulate in the surface of two tightening blocks 5 through the hinge activity respectively, the one end that two fixed rods 3 were kept away from to two connecting rods 7 all articulates in the surface of sealing 202 through the hinge activity.

In this embodiment, when the connection assembly on the turbo machinery is connected to the honeycomb sealed tube 102, the connection assembly will press the sealing portion 202 and the expansion portion 201, the sealing portion 202 will move downward, so that the two connecting rods 7 control the two tightening blocks 5 to slide on the two fixing rods 3, the two tightening blocks 5 move in the direction away from each other and compress the two springs 6 through the two stoppers 4, the opposing force generated by the two springs 6 acts on the two tightening blocks 5, the two tightening blocks 5 push the sealing portion 202 through the two connecting rods 7, so that the connection between the honeycomb sealed tube 102 and the connection assembly on the turbo machinery keeps stable and sealed, when the connection between the connection assembly on the turbo machinery and the honeycomb sealed tube 102 is loosened, the elastic force of the two springs 6 acts on the two tightening blocks 5, the two tightening blocks 5 approach to push up the sealing portion 202 through the two connecting rods 7, therefore, gaps generated by loosening at the joint of the connecting assembly and the honeycomb sealing pipe 102 are complemented, and the honeycomb assembly 1 and the connecting assembly on the turbomachine are always kept in a good sealing effect through the sealing plug 2.

Specifically, the outer surfaces of the two jacking blocks 5 are fixedly connected with the sliding blocks 8, the outer surface of the honeycomb sealing tube 102 is fixedly connected with the two stabilizing rods 9, and the two sliding blocks 8 are respectively connected to the outer surfaces of the two stabilizing rods 9 in a sliding manner.

In this embodiment, the two sliding blocks 8 will slide on the two stabilizing rods 9 following the movement of the two tightening blocks 5, so that the movement of the two tightening blocks 5 is kept stable.

Specifically, the outer surface of the honeycomb sealing tube 102 is fixedly connected with two fixing blocks 10, and the two fixing blocks 10 are both fixedly connected with a connecting block 11.

In this embodiment, two fixing blocks 10 are used to support two connecting blocks 11, and the two connecting blocks 11 are used to connect a connecting component on the turbine.

Specifically, a plurality of mounting holes 12 are drilled in the mounting plate 101, and the plurality of mounting holes 12 are uniformly distributed around the central axis of the mounting plate 101.

In this embodiment, the plurality of mounting holes 12 enable the mounting disk 101 to be stably fixed to the turbomachine by bolts, thereby ensuring the stability of the honeycomb seal tube 102.

Specifically, the bottom end of the mounting plate 101 is chiseled with an anti-slip thread 13.

In this embodiment, the anti-slip threads 13 increase the friction force at the bottom of the mounting plate 101, so that the mounting plate 101 is more stable during mounting.

The working principle is as follows: the honeycomb sealing pipe 102 is fixedly installed through the installation disc 101, the honeycomb sealing pipe 102 seals the turbomachinery, when a connecting assembly on the turbomachinery is connected to the honeycomb sealing pipe 102, the connecting assembly can tightly press the sealing part 202 and the telescopic part 201, the sealing part 202 can move downwards, so that the two connecting rods 7 control the two tightening blocks 5 to respectively slide on the two fixing rods 3, the two tightening blocks 5 move towards the direction away from each other and compress the two springs 6 through the two stoppers 4, the counterforce generated by the two springs 6 acts on the two tightening blocks 5, the two tightening blocks 5 prop the sealing part 202 through the two connecting rods 7, so that the connection between the honeycomb sealing pipe 102 and the connecting assembly on the turbomachinery is kept stably sealed, when the connection between the connecting assembly on the turbomachinery and the honeycomb sealing pipe 102 is loosened, the elastic forces of the two springs 6 act on the two tightening blocks 5, the two jacking blocks 5 approach to each other and jack up the sealing part 202 through the two connecting rods 7, so that gaps generated at the joint of the connecting component and the honeycomb sealing pipe 102 due to looseness are complemented, and the honeycomb component 1 and the connecting component on the turbo machine always keep a good sealing effect through the sealing plug 2.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a sealed effectual turbomachinery honeycomb seal subassembly, includes honeycomb subassembly (1), its characterized in that: fixedly connected with sealing plug (2) on honeycomb subassembly (1), honeycomb subassembly (1) is including mounting disc (101) and honeycomb sealed tube (102), fixed connection between honeycomb sealed tube (102) and mounting disc (101), sealing plug (2) are including pars contractilis (201) and sealing (202), pars contractilis (201) fixed connection keeps away from the one end of mounting disc (101) in honeycomb sealed tube (102), sealing (202) fixed connection keeps away from the one end of honeycomb sealed tube (102) in pars contractilis (201), be provided with the tight mechanism in top between sealing (202) and honeycomb sealed tube (102), the tight mechanism in top is used for controlling sealing plug (2) and pushes up tightly upwards.

2. The turbomachinery honeycomb seal assembly of claim 1, wherein: the jacking mechanism comprises two fixed rods (3), two check blocks (4), two jacking blocks (5), two springs (6) and two connecting rods (7), wherein the two fixed rods (3) are both fixedly connected to the outer surface of the honeycomb sealing pipe (102), the two check blocks (4) are respectively and fixedly connected to one ends of the two fixed rods (3) which are far away from each other, the two jacking blocks (5) are respectively and slidably connected to the outer surfaces of the two fixed rods (3), the two springs (6) are respectively sleeved on the outer surfaces of the two fixed rods (3), and each spring (6) is positioned between one stop block (4) and one jacking block (5), the two connecting rods (7) are respectively and movably hinged on the outer surfaces of the two jacking blocks (5) through hinge shafts, and one ends, far away from the two fixing rods (3), of the two connecting rods (7) are respectively and movably hinged on the outer surface of the sealing part (202) through the hinge shafts.

3. The turbomachinery honeycomb seal assembly of claim 2, wherein: the outer surface of the two jacking blocks (5) is fixedly connected with a sliding block (8), the outer surface of the honeycomb sealing tube (102) is fixedly connected with two stabilizing rods (9), and the sliding blocks (8) are respectively connected to the outer surfaces of the two stabilizing rods (9) in a sliding mode.

4. The turbomachinery honeycomb seal assembly of claim 3, wherein: the outer surface of the honeycomb sealing pipe (102) is fixedly connected with two fixing blocks (10), and the two fixing blocks (10) are fixedly connected with connecting blocks (11).

5. The turbomachinery honeycomb seal assembly of claim 4, wherein: a plurality of mounting holes (12) are drilled in the mounting disc (101), and the mounting holes (12) are uniformly distributed around the central axis of the mounting disc (101).

6. The turbomachinery honeycomb seal assembly of claim 5, wherein: the bottom end of the mounting disc (101) is provided with anti-skid grains (13).