CN216407027U - Water guide bearing supporting structure - Google Patents

Water guide bearing supporting structure Download PDF

Info

Publication number
CN216407027U
CN216407027U CN202121940483.5U CN202121940483U CN216407027U CN 216407027 U CN216407027 U CN 216407027U CN 202121940483 U CN202121940483 U CN 202121940483U CN 216407027 U CN216407027 U CN 216407027U
Authority
CN
China
Prior art keywords
water guide
connecting piece
cylindrical connecting
cambered surface
wedge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121940483.5U
Other languages
Chinese (zh)
Inventor
孟鹏
王鸿腾
韦正鹏
汪大全
曹威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huadian Electric Power Research Institute Co Ltd
Original Assignee
Huadian Electric Power Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huadian Electric Power Research Institute Co Ltd filed Critical Huadian Electric Power Research Institute Co Ltd
Priority to CN202121940483.5U priority Critical patent/CN216407027U/en
Application granted granted Critical
Publication of CN216407027U publication Critical patent/CN216407027U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Hydraulic Turbines (AREA)

Abstract

The utility model relates to a water guide bearing supporting structure, which comprises an arc-surface water guide shoe, a cylindrical connecting piece and a cubic wedge-shaped plate, wherein the arc-surface water guide shoe is used for combining a large shaft of a water turbine; the cylindrical connecting piece sets up in the one side of cambered surface type water guide tile back skew center, the one end and the cambered surface type water guide tile back fixed connection of cylindrical connecting piece, and the other end and the cube wedge-shaped plate of cylindrical connecting piece are connected, and the cube wedge-shaped plate is rectangular shape, and its length direction is parallel with the central axis direction of cambered surface type water guide tile. The number of the cambered surface type water guide shoes can be freely adjusted and designed according to requirements, and the water guide shoes are suitable for the optimal design of the water guide bearings of large, medium and small hydraulic generators.

Description

Water guide bearing supporting structure
Technical Field
The utility model relates to the technical field of water turbines, in particular to a water guide bearing supporting structure.
Background
The runner of the water turbine generator set can generate radial centrifugal force during operation, water pressure pulsation in a draft tube and the like can generate water thrust on the water turbine, and in order to ensure that the water turbine rotates at a specified axis position and limit the throw of a large shaft, a guide bearing, namely a water guide bearing, is mounted on the water turbine. Due to the special action of the water guide bearing, the installation stability of the water guide bearing influences the swing degree of the unit, and further influences whether the unit can stably run. The water guide shoe in the traditional water guide bearing usually adopts a cylindrical shoe or a block shoe, and a central supporting mode is adopted, but in actual operation, the problem that the water guide swing degree exceeds the standard or is larger due to various reasons still exists in a plurality of units, so that the improvement and the optimization are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a water guide bearing support structure with a reasonable structural design, so that the water guide swing degree can be effectively reduced.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a water conservancy diversion bearing support structure, is including being used for closing the cambered surface type water conservancy diversion tile of turbine main shaft which characterized in that: the device also comprises a cylindrical connecting piece and a cubic wedge-shaped plate; cylindrical connecting piece sets up in the one side of cambered surface type water guide tile back skew center, cylindrical connecting piece's one end and cambered surface type water guide tile back fixed connection, and cylindrical connecting piece's the other end and cube wedge are connected, the cube wedge is rectangular shape, and its length direction is parallel with the central axis direction of cambered surface type water guide tile.
Preferably, the cylindrical connecting piece is arranged according to the posture that the axis of the cylindrical connecting piece is parallel to the symmetrical center line of the cambered surface type water guide shoe.
Preferably, the bottom of the cylindrical connecting piece is provided with a through groove matched with the cross section of the cubic wedge-shaped plate, and the cubic wedge-shaped plate is partially inserted into the through groove and is connected with the cylindrical connecting piece.
Preferably, the cube wedge-shaped plate is provided with an internal thread hole.
Preferably, two pressure measuring device preformed holes are formed in the cambered surface type water guide shoe.
Preferably, the central line of the preformed hole of the pressure measuring device is parallel to the central axis of the cambered water guide shoe.
Compared with the prior art, the utility model has the following advantages and effects: the number of the cambered surface type water guide shoes can be freely adjusted and designed according to needs, the water guide shoes are suitable for the optimal design of the water guide bearings of large, medium and small hydraulic generators, and particularly when the problem that the water guide swing degree is larger cannot be solved by a conventional cylindrical tile structure or a central supporting structure, the water guide swing degree can be effectively reduced by improving the supporting structure; the utility model adopts standard parts or parts processed by plane processing technology, completely meets the national standard requirements, and has less workload of transformation and low cost for power stations.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a left side view structural diagram of the embodiment of the utility model.
Fig. 3 is a schematic bottom view of the embodiment of the present invention.
Description of reference numerals: a cambered surface type water guide shoe 1; a cylindrical connecting member 2; a cube wedge plate 3; a preformed hole 11 of the pressure measuring device; an internally threaded bore 31.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
See fig. 1-3.
The embodiment discloses a water guide bearing supporting structure which comprises an arc-surface water guide tile 1, a cylindrical connecting piece 2 and a cubic wedge-shaped plate 3.
In this embodiment, the number of the arc-shaped water guide shoes 1 is set as required, and 8, 12 or other numbers can be set, and the plurality of arc-shaped water guide shoes 1 are circumferentially arranged to form a cylindrical space for combining the large shaft of the water turbine, so as to restrict the movement of the large shaft. Each cambered surface type water guide shoe 1 is provided with a cylindrical connecting piece 2 and a cubic wedge-shaped plate 3. In the present embodiment, only one cambered surface type water guide shoe 1 is illustrated.
In this embodiment, cylindrical connecting piece 2 sets up in the one side of 1 back off-center of cambered surface type water guide tile, cylindrical connecting piece 2's one end and 1 back fixed connection of cambered surface type water guide tile, and cylindrical connecting piece 2's the other end is connected with cube wedge plate 3, and when actual installation, cube wedge plate 3 need with bearing frame fixed connection.
In this embodiment, the cube wedge-shaped plate 3 is a long strip, and the length direction thereof is parallel to the central axis direction of the arc-surface water guide shoe 1. The bottom of the cylindrical connecting piece 2 is provided with a through groove matched with the section of the cube wedge-shaped plate 3, and the cube wedge-shaped plate 3 is inserted into the through groove through part of the through groove and is connected with the cylindrical connecting piece 2. The cylindrical connecting piece 2 is arranged according to the posture that the axis of the cylindrical connecting piece is parallel to the symmetrical center line of the cambered water guide shoe 1.
In this embodiment, the cube wedge-shaped plate 3 is provided with an internal threaded hole 31 for connecting with an external component. Two pressure measuring device preformed holes 11 are formed in the cambered water guide shoe 1, and the central line of each pressure measuring device preformed hole 11 is parallel to the central axis of the cambered water guide shoe 1.
This water guide bearing support structure is applicable to the optimal design of big, medium, small-size hydraulic generator water guide bearing, especially when the problem that water guide throw degree is bigger than normal shell tile structure or central bearing structure can't solve, utilizes water guide bearing support structure in this embodiment to improve, can make water guide throw degree effectively reduce, and to the power station, the work load of reforming transform is less, low cost.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. A water guide bearing support structure comprises an arc-surface water guide shoe (1) for combining a large shaft of a water turbine, and is characterized in that: the device also comprises a cylindrical connecting piece (2) and a cubic wedge-shaped plate (3); cylindrical connecting piece (2) set up in the one side of the skew center in cambered surface type water guide tile (1) back, the one end and the cambered surface type water guide tile (1) back fixed connection of cylindrical connecting piece (2), the other end and the cube wedge board (3) of cylindrical connecting piece (2) are connected, cube wedge board (3) are rectangular shape, and its length direction is parallel with the central axis direction of cambered surface type water guide tile (1).
2. The water guide bearing support structure of claim 1, wherein: the cylindrical connecting piece (2) is arranged according to the posture that the axis of the cylindrical connecting piece is parallel to the symmetrical center line of the cambered surface type water guide shoe (1).
3. The water guide bearing support structure of claim 1, wherein: the bottom of the cylindrical connecting piece (2) is provided with a through groove matched with the section of the cube wedge-shaped plate (3), and the cube wedge-shaped plate (3) is inserted into the through groove partially and is connected with the cylindrical connecting piece (2).
4. The water guide bearing support structure of claim 1, wherein: an internal thread hole (31) is formed in the cube wedge-shaped plate (3).
5. The water guide bearing support structure of claim 1, wherein: two pressure measuring device preformed holes (11) are formed in the cambered surface type water guide shoe (1).
6. The water guide bearing support structure of claim 5, wherein: the central line of the pressure measuring device preformed hole (11) is parallel to the central axis of the cambered surface type water guide shoe (1).
CN202121940483.5U 2021-08-18 2021-08-18 Water guide bearing supporting structure Active CN216407027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121940483.5U CN216407027U (en) 2021-08-18 2021-08-18 Water guide bearing supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121940483.5U CN216407027U (en) 2021-08-18 2021-08-18 Water guide bearing supporting structure

Publications (1)

Publication Number Publication Date
CN216407027U true CN216407027U (en) 2022-04-29

Family

ID=81288096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121940483.5U Active CN216407027U (en) 2021-08-18 2021-08-18 Water guide bearing supporting structure

Country Status (1)

Country Link
CN (1) CN216407027U (en)

Similar Documents

Publication Publication Date Title
CN216407027U (en) Water guide bearing supporting structure
CN202811194U (en) Vertical-axis wind turbine blade
CN106194563A (en) A kind of combined ocean power generating device
CN202817975U (en) Disk type generator
CN217037825U (en) Dampproofing treatment facility of yellow river hydraulic and hydroelectric engineering equipment
CN202108639U (en) Cylindrical and diffusion type tail water device of hydraulic turbine
CN206071789U (en) A kind of combined ocean power generating device
CN205207428U (en) Elasticity tilting pad slide bearing
CN204716746U (en) A kind of ball bearing
CN210343620U (en) Shafting structure of direct-drive wind driven generator
CN1888414A (en) Multi-column supporting structural elastic metal plastic thrust bearing
CN203175630U (en) Turbine shaft system supported by three supporting bearings
CN202639881U (en) Fixture special for cabin seat
CN201650882U (en) Axial force balancing device for electric diving pump
CN214935112U (en) Rail mounted lift standard festival
CN219452690U (en) Shoe with middle hole and tilting pad bearing using same
CN205315517U (en) Bearing connection structure among speed change mechanism
CN220829128U (en) Fluid mechanical structure for heat exchange equipment
CN218971666U (en) Bearing bush with double countersunk holes
CN221032940U (en) Three-unit combined power generation device of vertical axis wind turbine
CN205064611U (en) High -speed assembled membranous disc shaft coupling
CN215487229U (en) Grid type wave foil piece and wave foil gas bearing
CN214577493U (en) Hydropower station wake flow power generation recycling equipment capable of improving efficiency
CN213744556U (en) Insert bearing seat with jackscrew stamping function
CN213144804U (en) Blade connecting piece

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant