CN214870233U - Tool for dismounting and mounting pin shaft of movable guide vane of water turbine - Google Patents
Tool for dismounting and mounting pin shaft of movable guide vane of water turbine Download PDFInfo
- Publication number
- CN214870233U CN214870233U CN202120124696.4U CN202120124696U CN214870233U CN 214870233 U CN214870233 U CN 214870233U CN 202120124696 U CN202120124696 U CN 202120124696U CN 214870233 U CN214870233 U CN 214870233U
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- China
- Prior art keywords
- adjusting screw
- guide vane
- adjusting nut
- movable guide
- round pin
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Abstract
The utility model relates to an instrument that is used for hydraulic turbine movable guide vane round pin axle to demolish and install belongs to hydraulic and hydroelectric engineering electricity generation, water pump unit erection equipment technical field. The tool for dismounting and mounting the pin shaft of the movable guide vane of the water turbine comprises a cylindrical column, a support plate, a bearing seat, an adjusting nut, an adjusting screw rod and a rolling bearing; the cylindrical column top install the backup pad, the mounting hole is seted up in the middle part of the backup pad, the bearing frame is installed in the backup pad, internally mounted antifriction bearing, with the mounting hole concentric, adjusting screw installs adjusting nut on the last adjusting screw, adjusting screw passes antifriction bearing and mounting hole and installs in the backup pad, adjusting nut is in antifriction bearing top. The utility model discloses an adjusting nut and adjusting screw thread tooth cooperation, adjustable adjusting screw moves perpendicularly, drives the stator round pin and carries out the vertical migration, reaches the purpose of demolising and installing the stator round pin, and rational in infrastructure, simple manufacture, nimble easy-to-use, excellent in use effect has increased substantially the efficiency of stator round pin installation and demolition, has fine practical value.
Description
Technical Field
The utility model belongs to the technical field of hydraulic and hydroelectric engineering electricity generation, water pump unit erection equipment, specific theory relates to an instrument that is used for hydraulic turbine movable guide vane round pin axle to demolish and install.
Background
In hydraulic and hydroelectric engineering generating set or water pump unit installation, after hydraulic turbine water distributor movable guide vane installation adjustment is accomplished, need assemble movable guide vane's round pin axle to ensure relative position and cooperation relation between movable guide vane and guide vane arm, do not have dismantling and mounting tool dismouting of adaptation in the device now, work efficiency is low.
Therefore, it is necessary to provide a tool for dismounting and mounting a pin shaft of a movable guide vane of a water turbine, which has the advantages of reasonable structure, simple manufacture, flexibility, easy use and good use effect, and can greatly improve the mounting and dismounting efficiency of the guide vane pin.
SUMMERY OF THE UTILITY MODEL
In order to overcome the hydraulic turbine water distributor movable guide vane installation adjustment that exists among the background art and accomplish the back, the round pin axle of assembly movable guide vane does not have the instrument of adaptation, problem that work efficiency is low, the utility model provides an instrument that is used for hydraulic turbine movable guide vane round pin axle to demolish and install, rational in infrastructure, simple manufacture, nimble easy-to-use, excellent in use effect has increased substantially the efficiency of stator round pin installation and demolition, has fine practical value.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a tool for dismantling and installing a pin shaft of a movable guide vane of a water turbine, which comprises a cylindrical column 1, a support plate 2, a bearing seat 3, an adjusting nut 4, an adjusting screw rod 5 and a rolling bearing 6; the top of the cylindrical column 1 is provided with a supporting plate 2, the middle part of the supporting plate 2 is provided with a mounting hole, a bearing seat 3 is arranged on the supporting plate 2, a rolling bearing 6 is arranged inside the supporting plate, the center of the supporting plate is concentric with the mounting hole, an adjusting nut 4 is arranged on an adjusting screw rod 5, the adjusting screw rod 5 penetrates through the rolling bearing 6 and the mounting hole to be arranged on the supporting plate 2, and the adjusting nut 4 is positioned above the rolling bearing 6.
Preferably, the side wall of the cylindrical column 1 is provided with a fabrication hole.
The utility model has the advantages that:
the utility model discloses an adjusting nut and adjusting screw thread tooth cooperation, adjustable adjusting screw moves perpendicularly, drives the stator round pin and carries out the vertical migration, reaches the purpose of demolising and installing the stator round pin, and rational in infrastructure, simple manufacture, nimble easy-to-use, excellent in use effect has increased substantially the efficiency of stator round pin installation and demolition, has fine practical value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic view of the working structure of the present invention.
In the figure, 1-cylindrical column, 2-support plate, 3-bearing seat, 4-adjusting nut, 5-adjusting screw, 6-rolling bearing, 7-guide vane pin shaft and 8-guide vane arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-3, the tool for detaching and installing the pin shaft of the movable guide vane of the water turbine comprises a cylindrical column 1, a support plate 2, a bearing seat 3, an adjusting nut 4, an adjusting screw rod 5 and a rolling bearing 6; the cylindrical column 1 is a foundation of the tool, a fabrication hole is formed in the side wall of the cylindrical column 1 and used for reducing the weight of the cylindrical column 1, a supporting plate 2 is installed at the top of the cylindrical column 1, the supporting plate 2 mainly plays a supporting role and supports other parts at the upper part of the supporting plate and is preferably connected with the cylindrical column 1 in a welding mode, a mounting hole is formed in the middle of the supporting plate 2, a bearing seat 3 is installed on the supporting plate 2, a rolling bearing 6 is installed inside the bearing seat and is concentric with the mounting hole, the bearing seat 3 provides a support for the rolling bearing 6, so that an inner arc rotating part and an outer arc fixing part of the rolling bearing 6 are reliably separated, the running friction force is reduced, an adjusting nut 4 is installed on an adjusting screw 5, the adjusting screw 5 penetrates through the rolling bearing 6 and the mounting hole and is installed on the supporting plate 2, the adjusting nut 4 is located above the rolling bearing 6, and the adjusting nut 4 is placed on the inner arc rotating part of the rolling bearing 6, the adjusting screw 5 and the adjusting screw 5 are matched through threads, the principle that the adjusting screw 5 moves in a rod direction is achieved by rotating the adjusting nut 4 after the adjusting nut 4 is matched with the adjusting screw 5 through threads, the vertical movement of the adjusting screw 5 is achieved, the principle that the circumferential rotation friction coefficient of the rolling bearing 6 is small is utilized to drive the adjusting nut 4 to rotate circumferentially, the circumferential rotation flexibility of the adjusting nut 4 is increased, the efficiency that the adjusting screw 5 vertically upwards and downwards drives the guide vane pin to move is improved, the adjusting screw 5 is matched with the threaded hole in the top of the guide vane pin shaft 7 through threads, the main effect is that the guide vane pin shaft 7 is driven to vertically move through the vertical movement of the adjusting screw 5, and the purposes of dismantling and installing the guide vane pin shaft 7 are finally achieved.
The utility model discloses a working process:
when the adjusting screw is used, the lower end of the adjusting screw 5 is screwed into a threaded hole in the top of the movable guide vane pin shaft 7 of the water turbine until the adjusting screw is screwed and locked, so that the tool and the guide vane pin shaft 7 are matched into a whole, the adjusting screw 5 is vertically rotated to enable the bottom surface of the guide vane pin shaft 7 to be flush with the bottom surface of the cylindrical column 1, the tool and the guide vane pin shaft 7 matched body is placed on the top surface of the guide vane arm 8, the matched body is adjusted left and right until the guide vane pin shaft 7 is aligned with the center of the guide vane hole, the adjusting screw 5 is vertically moved by rotating the adjusting screw 4 left and right according to the principle that the adjusting screw 4 and the adjusting screw 5 are matched with each other, the adjusting screw 5 is vertically moved to drive the guide vane pin shaft 7 to move upwards or downwards by rotating the adjusting screw 4 in the required direction, and finally the purpose of removing and installing the guide vane pin shaft 7 is achieved.
The utility model discloses an adjusting nut 4 and the cooperation of 5 threads of adjusting screw, adjustable adjusting screw 5 vertical migration drives stator round pin axle 7 and carries out the vertical migration, reaches the purpose of demolising and installing stator round pin axle 7, and rational in infrastructure, simple manufacture, nimble easy-to-use, excellent in use effect has increased substantially the efficiency of stator round pin installation and demolishment, has fine practical value.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides an instrument that is used for hydraulic turbine adjustable guide vane round pin axle to demolish and install which characterized in that: the tool for dismounting and mounting the pin shaft of the movable guide vane of the water turbine comprises a cylindrical column (1), a support plate (2), a bearing seat (3), an adjusting nut (4), an adjusting screw rod (5) and a rolling bearing (6); the cylindrical column is characterized in that a supporting plate (2) is installed at the top of the cylindrical column (1), a mounting hole is formed in the middle of the supporting plate (2), a bearing seat (3) is installed on the supporting plate (2), a rolling bearing (6) is installed inside the supporting plate, the mounting hole is concentric, an adjusting nut (4) is installed on the adjusting screw rod (5), the adjusting screw rod (5) penetrates through the rolling bearing (6) and the mounting hole and is installed on the supporting plate (2), and the adjusting nut (4) is located above the rolling bearing (6).
2. The tool for removing and installing the pin shaft of the movable guide vane of the water turbine as claimed in claim 1, wherein: the side wall of the cylindrical column (1) is provided with a fabrication hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124696.4U CN214870233U (en) | 2021-01-18 | 2021-01-18 | Tool for dismounting and mounting pin shaft of movable guide vane of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124696.4U CN214870233U (en) | 2021-01-18 | 2021-01-18 | Tool for dismounting and mounting pin shaft of movable guide vane of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214870233U true CN214870233U (en) | 2021-11-26 |
Family
ID=78861853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120124696.4U Active CN214870233U (en) | 2021-01-18 | 2021-01-18 | Tool for dismounting and mounting pin shaft of movable guide vane of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214870233U (en) |
-
2021
- 2021-01-18 CN CN202120124696.4U patent/CN214870233U/en active Active
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