CN216666500U

CN216666500U - Novel anhydrous lubrication mechanical sealing device for side stirring

Info

Publication number: CN216666500U
Application number: CN202220162634.7U
Authority: CN
Inventors: 明兴平; 杨宗迪; 吴波; 张霞
Original assignee: Zigong Chuanmi Mechanical Seals Co ltd
Current assignee: Zigong Chuanmi Mechanical Seals Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-03
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a novel anhydrous lubrication mechanical sealing device for side stirring, which comprises: the inner end of the shaft sleeve is connected with an O-shaped ring, the left end of the shaft sleeve is connected with a movable ring, and the right side of the movable ring is provided with a static ring; the bearing seat is positioned on the right side of the sealing seat, and a bearing pad is arranged on the inner side of the bearing seat; the right clamping ring is positioned on the outer side of the shaft sleeve, a clamping ring is arranged on the inner side of the right clamping ring, a left clamping ring is arranged on the left side of the right clamping ring, a positioning block is arranged on the left side of the left clamping ring, and the outer end of the bearing gland is connected with a straight-through type pressure oil injection cup; the framework oil seal is located on the left side of the bearing gland, a polytetrafluoroethylene pad is arranged on the left side of the framework oil seal, and a spring is arranged on the left side of the polytetrafluoroethylene pad. This novel anhydrous lubrication mechanical seal device is used in side stirring, its novel structure, excellent in use effect has increased mechanical seal's life.

Description

Novel anhydrous lubrication mechanical sealing device for side stirring

Technical Field

The utility model relates to the technical field of mechanical sealing, in particular to a novel anhydrous lubrication mechanical sealing device for side stirring.

Background

At present, the container type mechanical seal which is widely used in the power industry and has single end face, multiple springs and balanced inner bearing support is widely used, the use effect is not ideal, the equipment is mainly used on a side type stirrer of the absorption tower to play a role of stirring limestone slurry in the tower, and the limestone slurry is granular and has higher viscosity, and the equipment is not used horizontally or vertically but used in a side type mode with angles, so that the operation is not stable, the vibration and the jumping swing are larger, the transmission requirement is high, the mechanical seal works under the working condition of pressure during the work, the compensating ring has poor performance of compensating for the sliding inefficacy, frequent damage to the bearing, blockage of the spring, easy failure of the tightly-holding transmission device and the like, so that the whole mechanical seal has poor use effect, therefore, we propose a novel mechanical seal device for side-stirring water-free lubrication so as to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel waterless lubrication mechanical sealing device for side stirring, which aims to solve the problem of cooling of the conventional textile printing and dyeing cooling device in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel anhydrous lubrication mechanical sealing device for side stirring comprises:

The sealing device comprises a shaft sleeve, wherein the inner end of the shaft sleeve is connected with an O-shaped ring, the left end of the shaft sleeve is connected with a moving ring, the right side of the moving ring is provided with a static ring, the right side of the static ring is provided with a push ring, the outer side of the push ring is connected with a sealing seat, and the outer side of the sealing seat is provided with a sealing gasket;

the bearing seat is positioned on the right side of the sealing seat, a bearing pad is arranged on the inner side of the bearing seat, a cylindrical hole self-aligning bearing is arranged on the right side of the bearing pad, an A-type elastic retainer ring for a shaft is arranged on the right side of the cylindrical hole self-aligning bearing, an inner hexagonal socket head cap screw is connected to the outer end of the bearing seat, and a hexagon head cap bolt is arranged on the right side of the inner hexagonal socket head cap screw;

the right clamping ring is positioned on the outer side of the shaft sleeve, a clamping ring is arranged on the inner side of the right clamping ring, a left clamping ring is arranged on the left side of the right clamping ring, a positioning block is arranged on the left side of the left clamping ring, a bearing gland is arranged on the left side of the positioning block, and the outer end of the bearing gland is connected with a straight-through type pressure filling oil cup;

the framework oil seal is located on the left side of the bearing gland, a polytetrafluoroethylene pad is arranged on the left side of the framework oil seal, and a spring is arranged on the left side of the polytetrafluoroethylene pad.

Preferably, the shaft sleeve, the movable ring, the circlip for the A-shaped shaft, the hexagon head bolt, the right clamping ring, the left clamping ring and the O-shaped ring form a mechanical seal operation part in combination.

Preferably, the static ring, the push ring, the sealing seat, the bearing pad, the cylindrical hole self-aligning bearing, the inner hexagonal cylindrical head screw, the positioning block, the bearing gland, the straight-through type pressure injection oil cup, the framework oil seal, the tetrafluoro pad, the spring, the sealing pad and the O-shaped ring are combined to form a mechanical sealing static part.

Compared with the prior art, the utility model has the beneficial effects that: the novel waterless lubrication mechanical sealing device for side stirring is novel in structure and good in using effect, and the service life of the mechanical seal is prolonged;

1. the mechanical seal device comprises a shaft sleeve, a moving ring, an elastic retainer ring for an A-type shaft, a hexagon head bolt, a right clamping ring, a left clamping ring and an O-shaped ring which are combined to form a mechanical seal operation part, wherein a static ring, a push ring, a seal seat, a bearing pad, a cylindrical hole self-aligning bearing, an inner hexagon cylindrical head screw, a positioning block, a bearing gland, a straight-through type pressure injection oil cup, a framework oil seal, a PTFE pad, a spring, a sealing pad and the O-shaped ring are combined to form a mechanical seal static part, and the friction part of the mechanical seal operation part and the mechanical seal static part is a main sealing point to ensure that a medium is not leaked;

2. The rotating ring is in operation in the operation process, the static ring is in a static state, the rotating ring and the static ring rub for a long time and keep a sealing liquid film, the static ring is compensated by the elastic action of the spring after being abraded by friction to ensure the sealing reliability of the static ring, and the rotating ring and the static ring are provided with anti-rotation measures, so that the service life of the mechanical seal is prolonged.

Drawings

FIG. 1 is a front view of a cutaway structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a shaft sleeve; 2. an O-shaped ring; 3. a moving ring; 4. a stationary ring; 5. a push ring; 6. a sealing seat; 7. a bearing seat; 8. a bearing pad; 9. a cylindrical hole self-aligning bearing; 10. the A-type shaft elastic retainer ring; 11. a socket head cap screw; 12. a hexagon head bolt; 13. a right clamp ring; 14. a clamping ring; 15. a left clamp ring; 16. positioning blocks; 17. a bearing gland; 18. a straight-through type pressure injection oil cup; 19. framework oil seal; 20. a tetrafluoro pad; 21. a spring; 22. and a gasket.

Detailed Description

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 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.

Referring to fig. 1-4, the present invention provides a technical solution: a novel anhydrous lubrication mechanical sealing device for side stirring comprises a shaft sleeve 1, an O-shaped ring 2, a moving ring 3, a static ring 4, a push ring 5, a sealing seat 6, a bearing seat 7, a bearing pad 8, a cylindrical hole self-aligning bearing 9, an elastic retainer ring 10 for an A-shaped shaft, an inner hexagonal socket head screw 11, a hexagon head bolt 12, a right clamping ring 13, a clamping ring 14, a left clamping ring 15, a positioning block 16, a bearing gland 17, a straight-through type pressure injection oil cup 18, a framework oil seal 19, a PTFE pad 20, a spring 21 and a sealing pad 22;

as shown in fig. 1, 2, 3 and 4, the mechanical seal operation part is composed of a shaft sleeve 1, a movable ring 3, an a-type shaft circlip 10, a hexagon head bolt 12, a right clamping ring 13, a clamping ring 14, a left clamping ring 15 and an O-shaped ring 2;

the mechanical seal static part is formed by combining a static ring 4, a push ring 5, a seal seat 6, a bearing seat 7, a bearing pad 8, a cylindrical hole self-aligning bearing 9, an inner hexagonal socket head cap screw 11, a positioning block 16, a bearing gland 17, a straight-through type pressure injection oil cup 18, a framework oil seal 19, a tetrafluoro pad 20, a spring 21, a sealing pad 22 and an O-shaped ring 2;

the friction joint of the mechanical seal running part and the mechanical seal static part is a main sealing point, so that the medium is prevented from leaking;

In the operation process, the movable ring 3 is in operation, the static ring 4 is in a static state, a sealing liquid film is kept between the movable ring 3 and the static ring 4 through long-time friction, the static ring 4 is compensated by the elastic force of the spring 21 after being abraded through friction so as to ensure the sealing reliability, the movable ring 3 and the static ring 4 are provided with anti-rotation measures, so that a series of operations of the novel anhydrous lubrication mechanical sealing device for stirring at the side are completed, and the content which is not described in detail in the description belongs to the prior art which is known to a person skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts the conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. The utility model provides a side stirring is with novel mechanical seal device of anhydrous lubrication which characterized in that: the method comprises the following steps:

the sealing device comprises a shaft sleeve (1), wherein an O-shaped ring (2) is connected to the inner end of the shaft sleeve (1), a moving ring (3) is connected to the left end of the shaft sleeve (1), a static ring (4) is arranged on the right side of the moving ring (3), a push ring (5) is arranged on the right side of the static ring (4), a sealing seat (6) is connected to the outer side of the push ring (5), and a sealing gasket (22) is arranged on the outer side of the sealing seat (6);

the bearing seat (7) is located on the right side of the sealing seat (6), a bearing pad (8) is arranged on the inner side of the bearing seat (7), a cylindrical hole self-aligning bearing (9) is arranged on the right side of the bearing pad (8), an A-shaped shaft elastic retainer ring (10) is arranged on the right side of the cylindrical hole self-aligning bearing (9), an inner hexagonal socket head cap screw (11) is connected to the outer end of the bearing seat (7), and a hexagon head bolt (12) is arranged on the right side of the inner hexagonal socket head cap screw (11);

the oil pressure regulating valve comprises a right clamping ring (13), wherein the right clamping ring (13) is positioned on the outer side of a shaft sleeve (1), a clamping ring (14) is arranged on the inner side of the right clamping ring (13), a left clamping ring (15) is arranged on the left side of the right clamping ring (13), a positioning block (16) is arranged on the left side of the left clamping ring (15), a bearing gland (17) is arranged on the left side of the positioning block (16), and the outer end of the bearing gland (17) is connected with a straight-through type pressure filling oil cup (18);

The framework oil seal (19), framework oil seal (19) are located the left side of bearing gland (17), the left side of framework oil seal (19) is provided with tetrafluoro pad (20), the left side of tetrafluoro pad (20) is provided with spring (21).

2. The novel anhydrous lubrication mechanical sealing device for side stirring, according to claim 1, is characterized in that: the mechanical seal running part is formed by combining the shaft sleeve (1), the moving ring (3), the elastic retainer ring (10) for the A-type shaft, the hexagon head bolt (12), the right clamping ring (13), the clamping ring (14), the left clamping ring (15) and the O-shaped ring (2).

3. The novel anhydrous lubrication mechanical sealing device for side stirring, according to claim 1, is characterized in that: the mechanical sealing device is characterized in that the static ring (4), the push ring (5), the sealing seat (6), the bearing seat (7), the bearing pad (8), the cylindrical hole self-aligning bearing (9), the inner hexagonal socket head cap screw (11), the positioning block (16), the bearing gland (17), the straight-through type pressure injection oil cup (18), the framework oil seal (19), the tetrafluoro pad (20), the spring (21), the sealing pad (22) and the O-shaped ring (2) are combined to form a mechanical sealing static part.