CN216951668U

CN216951668U - Special mechanical seal device of hydraulic turbine high temperature worker zhu

Info

Publication number: CN216951668U
Application number: CN202220403934.XU
Authority: CN
Inventors: 申永峰
Original assignee: XI'AN YONGHUA GROUP CO LTD
Current assignee: XI'AN YONGHUA GROUP CO LTD
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-12
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of mechanical sealing devices, and provides a mechanical sealing device special for a hydraulic turbine high-temperature worker, which comprises a mechanical gland, a gasket and an installation shaft, wherein the gasket is arranged on one side inside the mechanical gland, a static ring is arranged on one side of the gasket, a movable ring main body is arranged on one side of the static ring, a sealing ring is arranged on one side inside the movable ring main body, a fixing piece is arranged on one side of the sealing ring, a movable ring seat is arranged on one side of the fixing piece, a spring is arranged inside the movable ring seat, a mechanical cover plate is arranged on one side of the movable ring seat, and fixing structures are arranged at two ends of the mechanical cover plate. By arranging the anti-rust structure, the surface of the mechanical gland is easy to rust in the long-time use process, so that the surface of the mechanical gland can be protected by using the primer, the gray anti-rust paint layer and the protective layer, the rusting condition on the surface of the mechanical gland is reduced, and the anti-rust effect is improved.

Description

Special mechanical sealing device for hydraulic turbine high-temperature working room

Technical Field

The utility model relates to the technical field of mechanical sealing devices, in particular to a mechanical sealing device special for a hydraulic turbine high-temperature working drum.

Background

Along with the continuous development of society and the continuous improvement of science, the use of a hydraulic turbine device is more and more extensive, the hydraulic turbine is mechanical equipment for converting pressure energy in a liquid fluid working medium into mechanical energy, the hydraulic turbine can be used for recycling and reusing residual liquid pressure in the process flow and converting the residual liquid pressure into the mechanical energy to drive the mechanical equipment so as to achieve the effect of energy conservation, and when the hydraulic turbine device is used, in order to prevent leakage, a special mechanical sealing device for the hydraulic turbine is needed;

the devices on the market are various and can basically meet the use requirements of people, but certain problems still exist: in the conventional mechanical sealing device, the surface of the mechanical sealing device is easy to rust in a long-term process, so that the service life of the mechanical sealing device is shortened, and the applicability is weak.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a mechanical sealing device special for a hydraulic turbine high-temperature working tool, which is used for solving the defect that the surface of the conventional mechanical sealing device special for the hydraulic turbine high-temperature working tool is easy to rust in a long-time process, so that the service life of the mechanical sealing device is shortened.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a mechanical sealing device special for a hydraulic turbine high-temperature worker congratulatory ring comprises a mechanical gland, a gasket and an installation shaft, wherein the gasket is arranged on one side inside the mechanical gland, a static ring is arranged on one side of the gasket, and a movable ring main body is arranged on one side of the static ring;

a sealing ring is arranged on one side in the movable ring main body, a fixing piece is arranged on one side of the sealing ring, and a movable ring seat is arranged on one side of the fixing piece;

the inside of rotating ring seat is provided with the spring, one side of rotating ring seat is provided with mechanical apron, the both ends of mechanical apron are provided with fixed knot and construct, be provided with rust-resistant structure on mechanical gland's the lateral wall, one side of mechanical gland is provided with limit structure, the installation axle runs through the inside of mechanical apron and mechanical gland.

Preferably, the fixed knot constructs including dead lever, fixed block, installation piece and fixed slot, the fixed block sets up in the both ends of mechanical apron, the installation piece sets up in the both ends of mechanical gland one side, the fixed slot has been seted up to the inside of installation piece, the one end of dead lever runs through the fixed block and inserts the inside of establishing into the fixed slot. Through the use of dead lever, fixed block, installation piece and fixed slot, can be convenient fix the one end at mechanical gland with mechanical apron.

Preferably, the outer side wall of the fixing block is provided with external threads, the inner side wall of the fixing groove is provided with internal threads, and the fixing block is in threaded connection with the fixing groove. The use of threaded connection is more convenient when fixing.

Preferably, the fixed rods are arranged in two groups, and the two groups of fixed rods are symmetrically distributed at two ends of the mechanical cover plate. The use of two sets of dead levers can make fixed effect better.

Preferably, the limiting structure comprises a limiting groove, a wear-resistant block and a limiting column, the limiting groove is formed in two ends of one side of the gasket, the limiting column is arranged inside the limiting groove, one side of the limiting column is fixed with one side of the inside of the mechanical gland, and the wear-resistant block is arranged on the outer side wall of the limiting column. Through the use of spacing groove, wear-resisting piece and spacing post, can carry out a spacingly to the gasket, make the gasket can not appear the condition that removes carrying out the during operation.

Preferably, the inner diameter of the limiting groove is larger than the outer diameter of the limiting column, and an inserting structure is formed between the limiting groove and the limiting column. The use of the inserting structure is more convenient and fast when the inserting structure is installed.

Preferably, anti rust structure includes priming paint, grey anti rust paint layer and inoxidizing coating, the priming paint sets up in mechanical gland's lateral wall, grey anti rust paint coats in the surface of priming paint, grey anti rust paint layer's surface coating has the inoxidizing coating. Through the use of the primer, the gray antirust paint layer and the protective layer, the surface of the mechanical gland can be protected, and the rusting condition on the surface of the mechanical gland is reduced.

(III) advantageous effects

The utility model provides a mechanical sealing device special for a hydraulic turbine high-temperature working room, which has the advantages that: by arranging the anti-rust structure, the surface of the mechanical gland is easy to rust in the long-time use process, so that the surface of the mechanical gland can be protected by using the primer, the gray anti-rust paint layer and the protective layer, the rusting condition on the surface of the mechanical gland is reduced, and the anti-rust effect is improved;

by arranging the fixing structure, when the mechanical cover plate is fixed at one end of the mechanical gland, in order to enable the fixing efficiency to be faster, the mechanical cover plate can be conveniently fixed at one end of the mechanical gland through the fixing rod, the fixing block, the mounting block and the fixing groove, so that the fixing efficiency is achieved;

through being provided with limit structure, in order to prevent the gasket in the use, the condition of removal from appearing, consequently through the use of spacing groove, wear-resisting piece and spacing post, can carry out a spacingly to the gasket, make the gasket can not appear the condition of removal when carrying out the work to spacing effect has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic illustration of the front view explosive structure of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

FIG. 5 is a schematic structural view of the antirust structure in front view;

fig. 6 is a front perspective view of the fixing structure of the present invention.

The reference numerals in the figures illustrate: 1. mechanical pressing cover; 2. a gasket; 3. a stationary ring; 4. a seal ring; 5. a rotating ring main body; 6. a movable ring seat; 7. a spring; 8. a mechanical cover plate; 9. a fixed structure; 901. fixing the rod; 902. a fixed block; 903. mounting blocks; 904. fixing grooves; 10. installing a shaft; 11. a fixing sheet; 12. a limiting structure; 1201. a limiting groove; 1202. a wear-resistant block; 1203. a limiting column; 13. an antirust structure; 1301. priming paint; 1302. a grey anti-rust paint layer; 1303. and (4) a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1-6, the mechanical sealing device for hydraulic turbine high temperature engineering congratulatory comprises a mechanical gland 1, a gasket 2 and a mounting shaft 10, wherein the gasket 2 is arranged on one side inside the mechanical gland 1, the stationary ring 3 is arranged on one side of the gasket 2, the moving ring main body 4 is arranged on one side of the stationary ring 3, the sealing ring 5 is arranged on one side inside the moving ring main body 4, the fixing piece 11 is arranged on one side of the sealing ring 5, the moving ring seat 6 is arranged on one side of the fixing piece 11, the spring 7 is arranged inside the moving ring seat 6, the mechanical cover plate 8 is arranged on one side of the moving ring seat 6, the fixing structures 9 are arranged at two ends of the mechanical cover plate 8, each fixing structure 9 comprises a fixing rod 901, a fixing block 902, a mounting block 903 and a fixing groove 904, the fixing blocks 902 are arranged at two ends of the mechanical cover plate 8, the mounting blocks 903 are arranged at two ends of one side of the mechanical gland 1, the mounting block 903 is provided with the fixing groove 904, one end of the fixing rod 901 penetrates through the fixing block 902 to be inserted into the fixing groove 904, the outer side wall of the fixing block 902 is provided with external threads, internal threads are arranged on the inner side wall of the fixing groove 904, the fixing block 902 and the fixing groove 904 are connected in a threaded mode, the fixing rod 901 is provided with two groups, and the two groups of fixing rods 901 are symmetrically distributed at two ends of the mechanical cover plate 8.

The working principle of the mechanical sealing device special for the hydraulic turbine high-temperature working is as follows based on the embodiment 1: when installing mechanical gland 1, earlier put the inside of mechanical gland 1 with the part, then pick up mechanical cover plate 8, after picking up, aim at installation piece 903 with the fixed block 902 at mechanical cover plate 8 both ends, after aiming at, run through the fixed block 902 with dead lever 901 and insert the inside of establishing into fixed slot 904, insert and establish after accomplishing, rotate dead lever 901, along with the rotation between dead lever 901 and the fixed slot 904, thereby install mechanical cover plate 8 in one side of mechanical gland 1, thereby accomplish installation work.

Example two

This embodiment still includes: one side of mechanical gland 1 is provided with limit structure 12, installation axle 10 runs through the inside of mechanical apron 8 and mechanical gland 1, limit structure 12 includes spacing groove 1201, wear-resisting piece 1202 and spacing post 1203, spacing groove 1201 sets up the both ends in gasket 2 one side, the inside of spacing groove 1201 is provided with spacing post 1203, one side and the inside one side of mechanical gland 1 of spacing post 1203 are fixed mutually, wear-resisting piece 1202 sets up on the lateral wall of spacing post 1203, the internal diameter of spacing groove 1201 is greater than the external diameter of spacing post 1203, constitute between spacing groove 1201 and the spacing post 1203 and insert and establish the structure.

In this embodiment, in order to prevent the gasket 2 from moving when being used, the gasket 2 can be limited by inserting the limiting post 1203 into the limiting groove 1201, so that the gasket 2 cannot move when being used, and the wear-resistant block 1202 can be used to make the limiting post 1203 more wear-resistant when being used, thereby completing the limiting operation.

EXAMPLE III

This embodiment still includes: be provided with anti rust structure 13 on mechanical gland 1's the lateral wall, anti rust structure 13 includes priming paint 1301, grey antirust paint layer 1302 and inoxidizing coating 1303, and priming paint 1301 sets up in mechanical gland 1's lateral wall, and grey antirust paint layer 1302 coats in the surface of priming paint 1301, and the surface coating of grey antirust paint layer 1302 has inoxidizing coating 1303.

In this embodiment, in order to reduce the condition that rust appears on mechanical gland 1 surface, consequently, use through grey antirust paint layer 1302, can form a barrier layer on mechanical gland 1's surface, the corruption of separation air to mechanical gland 1 surface, thereby accomplish rust-resistant work, the use of priming paint 1301, make grey antirust paint layer 1302 difficult the condition that appears droing after the coating, inoxidizing coating 1303's use, can carry out a protection to grey antirust paint layer 1302, prevent that fish tail from appearing on grey antirust paint layer 1302 surface, influence rust-resistant effect, thereby accomplish rust-resistant work.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

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 technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a special mechanical seal device is congratulated to hydraulic turbine high temperature worker, includes mechanical gland (1), gasket (2) and installation axle (10), its characterized in that: a gasket (2) is arranged on one side inside the mechanical gland (1), a static ring (3) is arranged on one side of the gasket (2), and a movable ring main body (4) is arranged on one side of the static ring (3);

a sealing ring (5) is arranged on one side inside the movable ring main body (4), a fixing piece (11) is arranged on one side of the sealing ring (5), and a movable ring seat (6) is arranged on one side of the fixing piece (11);

the inside of rotating ring seat (6) is provided with spring (7), one side of rotating ring seat (6) is provided with mechanical apron (8), the both ends of mechanical apron (8) are provided with fixed knot constructs (9), be provided with rust-resistant structure (13) on the lateral wall of mechanical gland (1), one side of mechanical gland (1) is provided with limit structure (12), the inside of mechanical apron (8) and mechanical gland (1) is run through in installation axle (10).

2. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 1 is characterized in that: fixed knot constructs (9) and includes dead lever (901), fixed block (902), installation piece (903) and fixed slot (904), fixed block (902) set up in the both ends of mechanical apron (8), installation piece (903) set up in the both ends of mechanical gland (1) one side, fixed slot (904) have been seted up to the inside of installation piece (903), the one end of dead lever (901) is run through fixed block (902) and is inserted and establish the inside of establishing into fixed slot (904).

3. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 2 is characterized in that: the lateral wall of fixed block (902) is provided with the external screw thread, be provided with the internal thread on the inside wall of fixed slot (904), constitute threaded connection between fixed block (902) and fixed slot (904).

4. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 3 is characterized in that: two groups of fixing rods (901) are arranged, and the two groups of fixing rods (901) are symmetrically distributed at two ends of the mechanical cover plate (8).

5. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 1 is characterized in that: the limiting structure (12) comprises a limiting groove (1201), a wear-resistant block (1202) and a limiting column (1203), the limiting groove (1201) is arranged at two ends of one side of the gasket (2), the limiting column (1203) is arranged inside the limiting groove (1201), one side of the limiting column (1203) is fixed with one side of the inside of the mechanical gland (1), and the wear-resistant block (1202) is arranged on the outer side wall of the limiting column (1203).

6. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 5 is characterized in that: the inner diameter of the limiting groove (1201) is larger than the outer diameter of the limiting column (1203), and an inserting structure is formed between the limiting groove (1201) and the limiting column (1203).

7. The special mechanical sealing device for hydraulic turbine high-temperature working congratulation according to claim 1 is characterized in that: antirust structure (13) include primer (1301), grey antirust paint layer (1302) and inoxidizing coating (1303), primer (1301) set up in the lateral wall of mechanical gland (1), grey antirust paint layer (1302) coats in the surface of primer (1301), the surface coating of grey antirust paint layer (1302) has inoxidizing coating (1303).