CN220782864U - Installation tool for movable guide vane shaft sleeve bearing bush of hydroelectric generating set - Google Patents
Installation tool for movable guide vane shaft sleeve bearing bush of hydroelectric generating set Download PDFInfo
- Publication number
- CN220782864U CN220782864U CN202322657802.7U CN202322657802U CN220782864U CN 220782864 U CN220782864 U CN 220782864U CN 202322657802 U CN202322657802 U CN 202322657802U CN 220782864 U CN220782864 U CN 220782864U
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- China
- Prior art keywords
- bearing bush
- guide vane
- movable guide
- top end
- screw rod
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- 238000009434 installation Methods 0.000 title claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004080 punching Methods 0.000 abstract description 3
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 11
- 238000011900 installation process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 208000011092 Hand injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model provides a mounting tool for a movable guide vane shaft sleeve bearing bush of a hydroelectric generating set, which comprises a base, wherein a central column is arranged at the central part of the top end of the base, a full screw rod is vertically and fixedly arranged on the central column, and the top end of the base supports the movable guide vane shaft sleeve to be mounted; the hydraulic bearing bush comprises a bearing bush, a pressing plate, a hydraulic bearing bush and a hydraulic bearing bush, the full screw rod passes through the center of the through hydraulic ram and is provided with an adjusting hand disc at the top end of the full screw rod through screw thread fit. In the concrete use, provide hydraulic power through the hydraulic ram of punching, will apply pressure for the clamp plate, promote the axle bush through the clamp plate, and then make the axle bush descend along movable guide vane axle sleeve, finally realize the pressure equipment of axle bush.
Description
Technical Field
The utility model relates to a mounting tool for a shaft sleeve bearing bush of a movable guide vane of a hydroelectric generating set, and belongs to the field of overhauling devices of hydroelectric generating sets.
Background
The bearing bush in the shaft sleeve needs to be replaced when the movable guide vane of a certain hydroelectric generating set is overhauled, because the fit clearance between the bearing bush and the shaft sleeve is smaller, difficulties exist in installation, the conventional installation process is that a base plate is placed at the top end of the bearing bush, then, the base plate is manually hammered, the bearing bush is sleeved inside the shaft sleeve by applying impact force through the base plate, and the installation process is extremely easy to damage the bearing bush, has low installation success rate and is easy to cause unsafe events such as hand injury.
Disclosure of utility model
Aiming at the problems, the utility model aims to provide the installation tool for the movable guide vane shaft sleeve bearing bush of the hydroelectric generating set, which can be conveniently used for installing the bearing bush, and by adopting hydraulic power as press-fitting power, the direct contact of personnel with parts in the installation process is avoided, the installation efficiency of the bearing bush is effectively improved, and the installation risk is reduced.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the installation tool for the movable guide vane shaft sleeve bearing bush of the hydroelectric generating set comprises a base, wherein a central column is arranged at the central part of the top end of the base, a full screw rod is vertically and fixedly installed on the central column, and the top end of the base supports the movable guide vane shaft sleeve to be installed;
the hydraulic bearing bush comprises a bearing bush, a pressing plate, a hydraulic bearing bush and a hydraulic bearing bush, the full screw rod passes through the center of the through hydraulic ram and is provided with an adjusting hand disc at the top end of the full screw rod through screw thread fit.
And a threaded hole for connecting the full screw rod is processed at the central part of the central column.
The guide ring is supported at the top end of the movable guide vane shaft sleeve and sleeved outside the bearing bush.
A plurality of evenly arranged material reducing holes are formed in the pressing plate, and a through hole for penetrating through the full screw rod is formed in the center of the pressing plate.
The top end of the piston rod of the through hydraulic jack is in contact fit with the bottom end of the adjusting hand disc.
The through hydraulic top is connected with a first oil pipe joint and a second oil pipe joint.
The adjusting hand disc comprises a central thread sleeve, and the central thread sleeve and the connecting full screw rod form threaded fit.
The utility model has the following beneficial effects:
1. The tool disclosed by the utility model can be conveniently used for mounting the bearing bush, and the hydraulic power is used as the press-mounting power, so that personnel can be prevented from directly contacting with a part in the mounting process, the mounting efficiency of the bearing bush is effectively improved, and the mounting risk is reduced.
2. The mounting success rate of the bearing bush is improved, the condition that the bearing bush is damaged in the past is avoided, equipment spare parts are effectively protected, and the economical efficiency is improved.
3. The mounting efficiency of the bearing bush is improved, and the time for mounting one bearing bush is shortened from the previous 60 minutes to the current 20 minutes after the tool is used.
4. The working safety is improved, the direct contact of the body part of the person with the part in the bearing bush pressing process is effectively avoided, and the occurrence probability of unsafe events is reduced.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present utility model.
Fig. 2 is a second perspective three-dimensional view of the present utility model.
Fig. 3 is a front view of the present utility model.
Fig. 4 is a view A-A of fig. 3 in accordance with the present utility model.
In the figure: the hydraulic guide vane device comprises a full screw rod 1, a central thread sleeve 2, an adjusting hand disc 3, a piston rod 4, a through hydraulic ram 5, a first oil pipe joint 6, a second oil pipe joint 7, a pressing plate 8, a material reduction hole 9, a bearing bush 10, a positioning guide ring 11, a movable guide vane sleeve 12, a base 13, a threaded hole 14, a central column 15 and a through hole 16.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, the installation tool of the movable guide vane sleeve bearing bush of the hydroelectric generating set comprises a base 13, wherein a center column 15 is arranged at the center part of the top end of the base 13, a full screw rod 1 is vertically and fixedly installed on the center column 15, and the top end of the base 13 supports a movable guide vane sleeve 12 to be installed; still include clamp plate 8, clamp plate 8 compresses tightly on the top of the axle bush 10 that waits to install, and the top central part of clamp plate 8 supports there is the hydraulic ram 5 of formula of punching, and full lead screw 1 passes the center of hydraulic ram 5 of formula of punching to install the regulation hand dish 3 through screw-thread fit on the top of full lead screw 1. In the specific use process, hydraulic power is provided through the through type hydraulic ram 5, pressure is applied to the pressing plate 8, the bearing bush 10 is pushed through the pressing plate 8, the bearing bush 10 is further enabled to descend along the movable guide vane shaft sleeve 12, and finally press fitting of the bearing bush 10 is achieved.
Further, a threaded hole 14 for connecting the full screw rod 1 is machined in the center of the center post 15. The screw hole 14 is adopted to facilitate the detachable installation of the full screw rod 1, so that the full screw rod is convenient to detach.
Further, the bearing bush 10 comprises a positioning guide ring 11 for positioning the bearing bush 10, wherein the positioning guide ring 11 is supported at the top end of the movable guide vane sleeve 12 and sleeved outside the bearing bush 10. The positioning guide ring 11 can ensure that the axial clearance between the bearing bush and the shaft sleeve is uniform, and the mounting success rate is improved. In the installation process, the bearing bush 10 is sleeved in the movable guide vane sleeve 12 by arranging the bearing bush on the top end of the movable guide vane sleeve 12, and then pressure is applied to the bearing bush 10, so that subsequent installation is facilitated.
Further, a plurality of evenly arranged material reducing holes 9 are formed in the pressing plate 8, and a through hole 16 for penetrating through the full screw rod 1 is formed in the center of the pressing plate 8. The internal condition is convenient to observe in the installation process through the material reducing holes 9, and the weight of the pressing plate 8 is effectively reduced. Through the through-hole 16, the full screw rod 1 is conveniently penetrated, and the follow-up axial movement of the pressing plate 8 is ensured. And the pressure plate 8 ensures that the bearing bush is uniformly stressed around.
Further, the top end of the piston rod 4 of the through hydraulic ram 5 is in contact fit with the bottom end of the adjusting hand disc 3. Pressure is provided through the through hydraulic ram 5, and then the pressing plate 8 is pushed to press downwards through reverse thrust.
Further, the through hydraulic ram 5 is connected with a first oil pipe joint 6 and a second oil pipe joint 7. The first oil pipe joint 6 and the second oil pipe joint 7 are convenient to be connected with a hydraulic system, so that hydraulic power is provided for the through hydraulic ram 5.
Further, the adjusting hand disc 3 comprises a central thread sleeve 2, and the central thread sleeve 2 and the connecting full screw rod 1 form threaded fit. The supporting height can be adjusted through the center thread bush 2, the through hydraulic jack 5 is matched, the tool installation efficiency is improved, the full screw rod 1 is connected with the base, and the pressure between the base and the center thread bush 2 is transmitted.
The working process and principle of the utility model are as follows:
When the tool is used, the base 13 is placed at the bottom of the movable guide vane shaft sleeve 12, the positioning guide ring 11 is clamped at the upper part of the movable guide vane shaft sleeve 12, the bearing bush 10 is placed in the positioning guide ring 11, the full screw rod 1 is installed on the center post 15, the pressing plate 8 penetrates through the full screw rod 1 and is pressed on the top end of the bearing bush 10, the through type hydraulic ram 5 penetrates through the full screw rod 1 and is supported on the top end of the pressing plate 8, the adjusting hand disc 3 is installed on the full screw rod 1 and is pressed on the piston rod 4, the through type hydraulic ram 5 is started to press the pressing plate 8, the bearing bush 10 is pressed in the movable guide vane shaft sleeve 12 step by step through the pressing plate 8, and after the through type hydraulic ram 5 is in place in a stroke, the pressure is relieved and the adjusting hand disc 3 is adjusted downwards until the installation of the bearing bush 10 is completed; after the installation is completed, the adjusting hand disc 3, the penetrating hydraulic jack 5, the pressing plate 8, the full screw rod 1 and the bottom plate 13 are disassembled in sequence.
Claims (7)
1. The installation tool of the movable guide vane shaft sleeve bearing bush of the hydroelectric generating set is characterized by comprising a base (13), wherein a center column (15) is arranged at the center part of the top end of the base (13), a full screw rod (1) is vertically and fixedly installed on the center column (15), and the top end of the base (13) supports a movable guide vane shaft sleeve (12) to be installed;
The novel hydraulic bearing comprises a bearing shell (10) and is characterized by further comprising a pressing plate (8), wherein the pressing plate (8) is tightly pressed at the top end of the bearing shell (10) to be installed, a through hydraulic jack (5) is supported at the center part of the top end of the pressing plate (8), a full screw rod (1) penetrates through the center of the through hydraulic jack (5), and an adjusting hand disc (3) is installed at the top end of the full screw rod (1) through threaded fit.
2. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 1, wherein: a threaded hole (14) for connecting the full screw rod (1) is formed in the center of the center column (15).
3. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 1, wherein: the guide device further comprises a positioning guide ring (11) for positioning the bearing bush (10), wherein the positioning guide ring (11) is supported at the top end of the movable guide vane shaft sleeve (12) and sleeved outside the bearing bush (10).
4. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 1, wherein: a plurality of evenly arranged material reducing holes (9) are formed in the pressing plate (8), and a through hole (16) used for penetrating through the full screw rod (1) is formed in the center of the pressing plate (8).
5. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 1, wherein: the top end of a piston rod (4) of the penetrating hydraulic jack (5) is in contact fit with the bottom end of the adjusting hand disc (3).
6. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 5, wherein: the hydraulic ram (5) is connected with a first oil pipe joint (6) and a second oil pipe joint (7).
7. The hydroelectric generating set movable guide vane sleeve bearing bush installation tool according to claim 1, wherein: the adjusting hand disc (3) comprises a central thread sleeve (2), and the central thread sleeve (2) and the connecting full screw rod (1) form threaded fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322657802.7U CN220782864U (en) | 2023-09-28 | 2023-09-28 | Installation tool for movable guide vane shaft sleeve bearing bush of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322657802.7U CN220782864U (en) | 2023-09-28 | 2023-09-28 | Installation tool for movable guide vane shaft sleeve bearing bush of hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782864U true CN220782864U (en) | 2024-04-16 |
Family
ID=90659149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322657802.7U Active CN220782864U (en) | 2023-09-28 | 2023-09-28 | Installation tool for movable guide vane shaft sleeve bearing bush of hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782864U (en) |
-
2023
- 2023-09-28 CN CN202322657802.7U patent/CN220782864U/en active Active
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