CN218542466U

CN218542466U - Sliding bearing for water turbine

Info

Publication number: CN218542466U
Application number: CN202223229314.8U
Authority: CN
Inventors: 钟斌炯
Original assignee: Zhuji Dehong Bearing Co ltd
Current assignee: Zhuji Dehong Bearing Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-02-28
Anticipated expiration: 2032-12-03

Abstract

The utility model discloses a slide bearing for hydraulic turbine, including installation shell, slip axostylus axostyle and dust-proof cylinder, the inlet port is installed to one side of installation shell, the cooling tube is installed to the one end of inlet port, and the cooling tube is located the inside of installation shell, the installation axle sleeve is installed through the bolt in the inside of installation shell, and the outside and the cooling tube winding of installation axle sleeve are connected, the inside slidable mounting of installation axle sleeve has the slip axostylus axostyle, the dust-proof cylinder is installed through the bolt in the top of installation shell, and the dust-proof cylinder is located the outside of slip axostylus axostyle. The utility model discloses in when cooling off this slide bearing, when adding the cooling pipe with the cooling water through transmission equipment from the inlet port in, along with liquid flows in the cooling pipe, can take away the heat in the installation axle sleeve, play and to play the refrigerated effect of this slide bearing for the water turbine, be that this slide bearing can be better on the water turbine uses, make its life more permanent.

Description

Sliding bearing for water turbine

Technical Field

The utility model relates to a hydraulic turbine technical field specifically is a slide bearing for hydraulic turbine.

Background

The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, belongs to a turbine machine in fluid machinery, and most of modern water turbines are installed in a hydropower station and are used for driving a generator to generate electricity. In the hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity, and a water turbine impeller is arranged on the water turbine through a sliding bearing so that the impeller can be connected with a driving power generation device through the sliding bearing.

However, when the conventional sliding bearing for the water turbine is used, the impeller of the water turbine needs to rotate at a high speed for a long time, so that the sliding bearing also needs to rotate along with the impeller, and when the sliding bearing for the long time rotates, high heat is generated, the sliding bearing is damaged, and the service life of the sliding bearing is influenced.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a slide bearing for hydraulic turbine, solves the slide bearing that proposes among the prior art when carrying out high-speed rotation, can make the temperature rise, influences slide bearing life's technical problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a sliding bearing for a water turbine comprises a mounting shell, a sliding shaft rod and a dustproof barrel, wherein an inlet is mounted on one side of the mounting shell, a cooling pipe is mounted at one end of the inlet and is located inside the mounting shell, a mounting shaft sleeve is mounted inside the mounting shell through a bolt, and the outer side of the mounting shaft sleeve is connected with the cooling pipe in a winding mode;

the dust-proof device is characterized in that a sliding shaft rod is arranged inside the mounting shaft sleeve in a sliding mode, a dust-proof cylinder is arranged at the top of the mounting shell through a bolt, and the dust-proof cylinder is located on the outer side of the sliding shaft rod.

Preferably, the other end of the cooling pipe is provided with an outlet, and the outlet is fixedly arranged on one side of the mounting shell and positioned above the inlet.

Preferably, the inner wall of the mounting shaft sleeve is symmetrically provided with limit grooves.

Preferably, the outer side of the sliding shaft rod is symmetrically provided with connecting rings, the connecting rings are embedded with the limiting grooves, the top end of the sliding shaft rod is provided with a first connecting block, the top of the first connecting block is provided with a water turbine impeller, and the bottom end of the sliding shaft rod is provided with a second connecting block.

Preferably, the top of the dustproof cylinder is provided with a through groove, and the inner side of the through groove is provided with a first sealing ring.

Preferably, the connecting plate is installed in the dust-proof cylinder through the bolt, the mounting groove is formed in the top of the connecting plate, and the second sealing ring is installed on the outer side of the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixing the installation axle sleeve in the installation shell, install this slide bearing through the installation shell and use on the hydraulic turbine, there is the cooling tube simultaneously at the internally mounted of installation shell, and the winding of cold pipe is in the outside of installation axle sleeve, when cooling this slide bearing, when adding the cooling tube from the inlet port through transmission equipment with the cooling water, along with liquid flows in the cooling tube, can take away the heat in the installation axle sleeve, play and to use this for hydraulic turbine slide bearing refrigerated effect, be that this slide bearing can be better on the hydraulic turbine uses, make its life more permanent.

2. The utility model discloses an install first sealing ring and second sealing ring on dustproof barrel respectively, first sealing ring and second sealing ring are upper and lower distribution, can be located the outside of first sealing ring and second sealing ring with the slip axostylus axostyle, prevent this slide bearing for hydraulic turbine through first sealing ring and second sealing ring when using, through multiple protection, make the dust can not enter into between slip axostylus axostyle and the installation axle sleeve, prevent that the dust from influencing this slide bearing for hydraulic turbine's slip effect.

Drawings

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

fig. 2 is a sectional view of the mounting case of the present invention;

fig. 3 is a schematic structural view of the position a of the present invention;

fig. 4 is a schematic diagram of the connecting plate structure of the present invention.

In the figure: 1. mounting a shell; 101. an inlet port; 102. a cooling tube; 103. an outlet port; 2. installing a shaft sleeve; 201. a limiting groove; 3. a sliding shaft lever; 301. a first connection block; 302. a water turbine impeller; 303. a connecting ring; 304. a second connecting block; 4. a dust-proof cylinder; 401. a through slot; 402. a first seal ring; 5. a connecting plate; 501. mounting grooves; 502. a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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," "second," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 as a specific case by those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a sliding bearing for a water turbine;

the sliding bearing comprises a mounting shell 1 and a mounting shaft sleeve 2, wherein an inlet 101 is mounted on one side of the mounting shell 1, a cooling pipe 102 is mounted at one end of the inlet 101, the cooling pipe 102 is located inside the mounting shell 1, an outlet 103 is mounted at the other end of the cooling pipe 102, the outlet 103 is fixedly mounted on one side of the mounting shell 1 and located above the inlet 101, the mounting shaft sleeve 2 is mounted inside the mounting shell 1 through bolts, the outer side of the mounting shaft sleeve 2 is connected with the cooling pipe 102 in a winding manner, limiting grooves 201 are symmetrically formed in the inner wall of the mounting shaft sleeve 2, when the sliding bearing is used, the sliding bearing is mounted at a position needing to be used through the mounting shell 1, the mounting shaft sleeve 2 is fixed inside the mounting shell 1, when heat dissipation is needed when the sliding bearing is cooled, cooling water enters the cooling pipe 102 through the inlet 101 and flows in the cooling pipe 102 through the cooling water, so that heat generated on the mounting shaft sleeve 2 can be dissipated by sliding of the sliding bearing, the mounting shaft sleeve 2 can be cooled, and the problem that the service life of the sliding bearing is influenced by overhigh heat is solved, and the used cooling liquid can be discharged through the outlet 103.

Referring to fig. 1, fig. 3 and fig. 4, the present invention provides an embodiment: a sliding bearing for a water turbine;

the dust collection device comprises a sliding shaft rod 3, a dust collection cylinder 4 and a connecting plate 5, wherein the sliding shaft rod 3 is arranged inside a mounting shaft sleeve 2 in a sliding mode, a connecting ring 303 is symmetrically arranged on the outer side of the sliding shaft rod 3, the connecting ring 303 is embedded with a limiting groove 201, a first connecting block 301 is arranged at the top end of the sliding shaft rod 3, a water turbine impeller 302 is arranged at the top of the first connecting block 301, a second connecting block 304 is arranged at the bottom end of the sliding shaft rod 3, the sliding shaft rod 3 slides in the mounting shaft sleeve 2 and is embedded with the limiting groove 201 through the connecting ring 303, the sliding shaft rod 3 can be stably arranged in the mounting shaft sleeve 2, the first connecting block 301 is used for being connected with the water turbine impeller 302, the second connecting block 304 at the other end is connected with a power generation device, when the water turbine is used, the water turbine impeller 302 rotates to drive the sliding shaft rod 3 to rotate, so as to drive the other end to run through the power generation device connected with the second connecting block 304, so that kinetic energy can be converted into electric energy, the top of the installation shell 1 is provided with a dust-proof cylinder 4 through a bolt, the dust-proof cylinder 4 is positioned at the outer side of the sliding shaft rod 3, the top of the dust-proof cylinder 4 is provided with a through groove 401, the inner side of the through groove 401 is provided with a first sealing ring 402, the inner part of the dust-proof cylinder 4 is provided with a connecting plate 5 through a bolt, the top of the connecting plate 5 is provided with an installation groove 501, the outer side of the installation groove 501 is provided with a second sealing ring 502, the dust-proof cylinder 4 is positioned at the outer side of the sliding shaft rod 3 and plays a dustproof role, the first sealing ring 402 and the second sealing ring 502 are distributed up and down, the sliding shaft rod 3 and the sliding shaft rod 3 can be positioned at the outer sides of the first sealing ring 402 and the second sealing ring 502, when the sliding bearing for the water turbine is used through the first sealing ring 402 and the second sealing ring 502, through protection, dust can not enter between the sliding shaft rod 3 and the installation shaft sleeve 2, prevent that the dust from influencing this sliding bearing for hydraulic turbine's slip effect.

The working principle is as follows: before using slide bearing for the hydraulic turbine, whether should examine this slide bearing for the hydraulic turbine earlier has the problem that influences the use, at first use this slide bearing installation to the hydraulic turbine through installation shell 1, make the top of sliding shaft 3 be connected with hydraulic turbine impeller 302 through first connecting block 301, make hydraulic turbine impeller 302 can drive sliding shaft 3 and rotate, thereby make the power generation equipment that the sliding shaft 3 other end is connected can operate the use, when needs cool off slide bearing, can add the cooling water into cooling tube 102 through inlet port 101, take away the heat on the installation axle sleeve 2, play cooling effect, make slide bearing can be longer on the hydraulic turbine live time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims

1. The utility model provides a slide bearing for hydraulic turbine, includes installation shell (1), sliding shaft pole (3) and dust tube (4), its characterized in that: an inlet (101) is installed on one side of the installation shell (1), a cooling pipe (102) is installed at one end of the inlet (101), the cooling pipe (102) is located inside the installation shell (1), an installation shaft sleeve (2) is installed inside the installation shell (1) through bolts, and the outer side of the installation shaft sleeve (2) is connected with the cooling pipe (102) in a winding mode;

the dust-proof device is characterized in that a sliding shaft rod (3) is arranged inside the mounting shaft sleeve (2) in a sliding mode, a dust-proof cylinder (4) is arranged at the top of the mounting shell (1) through a bolt, and the dust-proof cylinder (4) is located on the outer side of the sliding shaft rod (3).

2. The sliding bearing for a water turbine according to claim 1, characterized in that: and the other end of the cooling pipe (102) is provided with an outlet (103), and the outlet (103) is fixedly arranged on one side of the mounting shell (1) and is positioned above the inlet (101).

3. The sliding bearing for a hydraulic turbine according to claim 1, characterized in that: limiting grooves (201) are symmetrically formed in the inner wall of the mounting shaft sleeve (2).

4. The sliding bearing for a water turbine according to claim 1, characterized in that: the outer side of the sliding shaft rod (3) is symmetrically provided with connecting rings (303), the connecting rings (303) are embedded with the limiting grooves (201), the top end of the sliding shaft rod (3) is provided with a first connecting block (301), the top of the first connecting block (301) is provided with a water turbine impeller (302), and the bottom end of the sliding shaft rod (3) is provided with a second connecting block (304).

5. The sliding bearing for a water turbine according to claim 1, characterized in that: the top of the dust-proof cylinder (4) is provided with a through groove (401), and the inner side of the through groove (401) is provided with a first sealing ring (402).

6. The sliding bearing for a hydraulic turbine according to claim 5, characterized in that: connecting plate (5) are installed through the bolt in the inside of dust protection section of thick bamboo (4), and mounting groove (501) have been seted up at the top of connecting plate (5), and second sealing ring (502) are installed in the outside of mounting groove (501).