CN213743812U - Novel supporting structure for guide bearing of vertical water turbine generator set - Google Patents
Novel supporting structure for guide bearing of vertical water turbine generator set Download PDFInfo
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- CN213743812U CN213743812U CN202022962320.9U CN202022962320U CN213743812U CN 213743812 U CN213743812 U CN 213743812U CN 202022962320 U CN202022962320 U CN 202022962320U CN 213743812 U CN213743812 U CN 213743812U
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- guide bearing
- turbine generator
- water turbine
- adjusting screw
- generator set
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 17
- 238000009434 installation Methods 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a novel bearing structure for vertical hydroelectric set guide bearing, including installing cushion (4) and fixture block (5) between guide bush (2) and unit frame (3) are radial in proper order, one side that is close to cushion (4) on fixture block (5) is equipped with a plurality of mounting grooves (51), is equipped with spring bundle (52) in mounting groove (51), and the one end of spring bundle (52) is connected with the bottom surface of mounting groove (51), and the other end and the cushion (4) of spring bundle (52) are connected. The utility model discloses make guide bearing have certain degree of freedom, difficult wearing and tearing, clearance adjustment convenience in radial direction.
Description
Technical Field
The utility model relates to a bearing guide's bearing structure, especially a novel bearing structure who is used for vertical hydroelectric set bearing guide.
Background
The guide bearing is an important component of the vertical hydraulic generator, and has the function of keeping the hydraulic generator running at a certain central position and bearing radial force. The radial force is mainly the vibration generated by static unbalance, dynamic unbalance, uneven magnetic pull force, unbalanced dynamic water flow and cavitation erosion vacuum of the rotor and the vibration generated by the operation of the generator under the non-working condition, so that the main shaft of the unit stably operates in the clearance range of the bearing. The structure of the guide bearing includes three types of oil immersion block tile type, cylinder type and wedge plate type. At present, the guide bearings of the three structural forms are all rigid support structures, and after the adjustment of the bearing bush clearance is completed, the guide bearing bushes are kept fixed in the radial direction, so that each guide bearing bush has no self-adjusting capacity, the bearing unevenness of the guide bearing bushes is large, the abrasion of the guide bearing bushes in a certain direction is large, the temperature of the bearing bush is high, and meanwhile, the adjustment of the guide bearing clearance is inconvenient.
Therefore, the existing guide bearing structure has the problems of fixed radial distance, easy abrasion and inconvenient gap adjustment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel bearing structure for vertical hydroelectric set guide bearing. The utility model discloses make guide bearing have certain degree of freedom, difficult wearing and tearing, clearance adjustment convenience in radial direction.
The technical scheme of the utility model: a novel bearing structure for vertical hydroelectric set guide bearing, including installing cushion and the fixture block between guide bush and unit frame are radial in proper order, one side that is close to the cushion on the fixture block is equipped with a plurality of mounting grooves, is equipped with the spring bundle in the mounting groove, and the one end of spring bundle is connected with the bottom surface of mounting groove, and the other end and the cushion of spring bundle are connected.
In the novel supporting structure for the guide bearing of the vertical water turbine generator set, a wedge plate is arranged between the guide bearing bush and the cushion block.
In the novel supporting structure for the guide bearing of the vertical water turbine generator set, the anti-weight bolt is arranged between the clamping block and the machine frame.
In the aforesaid be used for vertical hydroelectric set guide bearing's novel bearing structure, the side of cushion is equipped with first recess, is equipped with the second recess in the unit frame, and the first recess of one end embedding of fixture block, the other end embedding second draw-in groove of fixture block.
In the novel supporting structure for the guide bearing of the vertical water turbine generator set, the top of the clamping block is provided with the pin shaft hole, the cushion block is provided with the pin connected to the pin shaft hole, and the pin is in clearance fit with the pin shaft hole.
In the aforesaid be used for vertical hydroelectric set guide bearing's novel bearing structure, the spring is restrainted including adjusting screw, and adjusting screw's outside cover is equipped with the spring, and adjusting screw's upper end is equipped with the end socket, is equipped with the bayonet socket of inlaying mutually with adjusting screw on the end socket, and adjusting screw's lower extreme is equipped with the base, is equipped with the screw hole with adjusting screw threaded connection on the base, and the upper end and the end socket of spring are connected, and the lower extreme and the base of spring are connected.
In the aforesaid be used for vertical hydroelectric set guide bearing's novel bearing structure, adjusting screw's top is equipped with big-end-up's regulation portion, the bayonet socket matches with regulation portion, and the top surface aperture of bayonet socket is greater than the top surface diameter of regulation portion, and the bottom surface aperture of bayonet socket is less than the top surface diameter of regulation portion.
In the novel supporting structure for the guide bearing of the vertical water turbine generator set, the bottom of the mounting groove is provided with the adjusting groove corresponding to the adjusting screw rod.
In the novel supporting structure for the guide bearing of the vertical water turbine generator set, the cushion blocks are matched with the binding surfaces of the clamping blocks, and a gap is reserved between the cushion blocks and the binding surfaces of the clamping blocks.
Compared with the prior art, the utility model discloses original vertical hydroelectric set guide bearing structure has been improved, the spring beam has been set up between guide bush and unit frame, the spring beam bears guide bush radial load on the one hand and transmits for the concrete foundation through the unit frame, on the other hand guarantees under the condition that the unit axis does not squint, accessible adjustment spring beam elongation adjusts the self-modulation ability of guide bush in radial direction, it has certain degree of freedom at radial direction to realize the guide bearing, it bears the unevenness to reduce each guide bush, reduce the eccentric wear of guide bush on certain direction, reduce the unevenness of tile temperature, be convenient for the adjustment in tile clearance, and guarantee that the guide bush hugs closely the main shaft journal.
Therefore, the utility model discloses make guide bearing have certain degree of freedom, difficult wearing and tearing, clearance adjustment convenience in radial direction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the structure of the spring bundle.
The labels in the figures are: 1. a spindle journal; 2. a guide bush; 3. a machine frame; 31. a second groove; 4. cushion blocks; 5. a clamping block; 51. mounting grooves; 52. a spring bundle; 53. an adjustment groove; 6. a wedge plate; 7. a pin; 81. adjusting the screw rod; 82. a spring; 83. an end seat; 84. a bayonet; 85. a base; 86. a threaded hole; 87. an adjusting part.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples
As shown in fig. 1, the novel supporting structure for the guide bearing of the vertical water turbine generator set comprises a cushion block 4 and a fixture block 5 which are sequentially installed between a guide bearing bush 2 and a unit frame 3 in a radial direction, wherein one side of the fixture block 5, which is close to the cushion block 4, is provided with a plurality of installation grooves 51, spring bundles 52 are arranged in the installation grooves 51, one end of each spring bundle 52 is connected with the bottom surface of the installation groove 51, and the other end of each spring bundle 52 is connected with the cushion block 4.
And a wedge plate 6 is arranged between the guide bearing bush 2 and the cushion block 4. Or a heavy-duty bolt is arranged between the clamping block 5 and the machine set frame 3. The gap of the guide bush 2 is adjusted by the arrangement of the wedge plate 6 or the anti-weight bolt. In this embodiment, the wedge plate 6 is adopted, and after being adjusted, the wedge plate is connected with the guide bush 2 through a bolt.
The side of cushion 4 is equipped with first recess, is equipped with second recess 31 on the unit frame 3, and the first recess of one end embedding of fixture block 5, the other end embedding second draw-in groove of fixture block 5. The stability of the whole structure is improved.
The top of the clamping block 5 is provided with a pin shaft hole, the cushion block 4 is provided with a pin 7 connected to the pin shaft hole, and the pin 7 is in clearance fit with the pin shaft hole. Not only plays the role of a fixed structure, but also does not influence the self-adjusting capacity of the guide bush 2.
As shown in fig. 2, the spring bundle 52 includes an adjusting screw 81, a spring 82 is sleeved outside the adjusting screw 81, an end seat 83 is disposed at an upper end of the adjusting screw 81, a bayonet 84 embedded in the adjusting screw 81 is disposed on the end seat 83, a base 85 is disposed at a lower end of the adjusting screw 81, a threaded hole 86 in threaded connection with the adjusting screw 81 is disposed on the base 85, an upper end of the spring 82 is connected with the end seat 83, and a lower end of the spring 82 is connected with the base 85. The top end of the adjusting screw 81 is provided with an adjusting part 87 with a large top and a small bottom, the bayonet 84 is matched with the adjusting part 87, the aperture of the top surface of the bayonet 84 is larger than the diameter of the top surface of the adjusting part 87, and the aperture of the bottom surface of the bayonet 84 is smaller than the diameter of the top surface of the adjusting part 87. The size of the end seat 83 and the base 85 is matched with the size of the spring 82, and the spring 82 is limited and fixed.
By screwing the adjusting screw 81, the adjusting screw 81 is moved up and down, thereby adjusting the length of the spring bundle 52.
The bottom of the mounting groove 51 is provided with an adjusting groove 53 corresponding to the adjusting screw 81. The adjustment range of the adjustment screw 81 is expanded, thereby expanding the use range of the spring bundle 52.
And the binding surfaces of the cushion block 4 and the fixture block 5 are mutually matched and leave a gap. The self-adjustment of the guide bearing bush 2 is convenient.
The utility model discloses original vertical hydroelectric set guide bearing structure has been improved, spring beam 52 has been set up between guide bush 2 and unit frame 3, spring beam 52 bears guide bush 2 radial load on the one hand and transmits for the concrete foundation through unit frame 3, on the other hand guarantees under the condition that the unit axis does not squint, accessible adjustment spring beam 52 elongation adjusts guide bush 2 self-modulation ability in radial direction, it has certain degree of freedom in radial direction to realize the guide bearing, it bears the unevenness to reduce each guide bush 2, reduce the eccentric wear of guide bush 2 on certain direction, reduce the unevenness of tile temperature, be convenient for the adjustment in tile clearance, and guarantee that guide bush 2 hugs closely main shaft journal 1.
And the spring beam 52 is arranged in the mounting groove 51 of the fixture block 5, the aperture of the mounting groove 51 is matched with the spring beam 52, so that the spring beam 52 is prevented from displacing, the spring beam 52 can be adjusted, the self-adjusting capability of the guide bearing bush 2 is guaranteed, and the overlarge swing of the unit is prevented, so that the center of the unit runs in a good range.
Claims (9)
1. A novel bearing structure for vertical hydroelectric set guide bearing, its characterized in that: the clamping device comprises a cushion block (4) and a clamping block (5) which are sequentially installed between a guide bearing bush (2) and a unit rack (3) in a radial direction, wherein a plurality of mounting grooves (51) are formed in one side, close to the cushion block (4), of the clamping block (5), spring bundles (52) are arranged in the mounting grooves (51), one end of each spring bundle (52) is connected with the bottom surface of the corresponding mounting groove (51), and the other end of each spring bundle (52) is connected with the corresponding cushion block (4).
2. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 1, characterized in that: a wedge plate (6) is arranged between the guide bearing bush (2) and the cushion block (4).
3. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 1, characterized in that: and a heavy-duty bolt is arranged between the clamping block (5) and the machine set frame (3).
4. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 1, characterized in that: the side of cushion (4) is equipped with first recess, is equipped with second recess (31) on unit frame (3), and the first recess of one end embedding of fixture block (5), the other end embedding second draw-in groove of fixture block (5).
5. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 4, characterized in that: the top of the clamping block (5) is provided with a pin shaft hole, the cushion block (4) is provided with a pin (7) connected into the pin shaft hole, and the pin (7) is in clearance fit with the pin shaft hole.
6. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 1, characterized in that: spring bundle (52) includes adjusting screw (81), and the outside cover of adjusting screw (81) is equipped with spring (82), and the upper end of adjusting screw (81) is equipped with end socket (83), is equipped with bayonet socket (84) that inlays mutually with adjusting screw (81) on end socket (83), and the lower extreme of adjusting screw (81) is equipped with base (85), is equipped with on base (85) screw hole (86) with adjusting screw (81) threaded connection, and the upper end and the end socket (83) of spring (82) are connected, and the lower extreme and the base (85) of spring (82) are connected.
7. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 6, characterized in that: adjusting screw (81)'s top is equipped with regulation portion (87) big-end-up, bayonet socket (84) and regulation portion (87) phase-match, and the top surface aperture of bayonet socket (84) is greater than the top surface diameter of regulation portion (87), and the bottom surface aperture of bayonet socket (84) is less than the top surface diameter of regulation portion (87).
8. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 6, characterized in that: the bottom of the mounting groove (51) is provided with an adjusting groove (53) corresponding to the adjusting screw rod (81).
9. The novel support structure for the guide bearing of the vertical water turbine generator set according to claim 1, characterized in that: the binding surfaces of the cushion block (4) and the clamping block (5) are mutually matched and a gap is reserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962320.9U CN213743812U (en) | 2020-12-10 | 2020-12-10 | Novel supporting structure for guide bearing of vertical water turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962320.9U CN213743812U (en) | 2020-12-10 | 2020-12-10 | Novel supporting structure for guide bearing of vertical water turbine generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743812U true CN213743812U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022962320.9U Active CN213743812U (en) | 2020-12-10 | 2020-12-10 | Novel supporting structure for guide bearing of vertical water turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743812U (en) |
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2020
- 2020-12-10 CN CN202022962320.9U patent/CN213743812U/en active Active
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