CN219492352U - Device for determining field installation center of water turbine - Google Patents
Device for determining field installation center of water turbine Download PDFInfo
- Publication number
- CN219492352U CN219492352U CN202320346057.1U CN202320346057U CN219492352U CN 219492352 U CN219492352 U CN 219492352U CN 202320346057 U CN202320346057 U CN 202320346057U CN 219492352 U CN219492352 U CN 219492352U
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- base
- limiting
- beam frame
- water turbine
- axis adjusting
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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
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a device for determining a site installation center of a water turbine, which comprises a beam frame and a fine adjustment unit, wherein the beam frame is provided with a plurality of fine adjustment units; the fine adjustment unit comprises a primary base, a secondary base, a tertiary base and a paying-off unit; the moving direction of the secondary base is perpendicular to the moving direction of the tertiary base; wire grooves for passing through piano wires are formed in the primary base, the secondary base and the tertiary base. The utility model sets up the fine tuning unit on the beam frame through erecting the beam frame, the fine tuning unit is formed by upper and lower three-layer structure, wherein the second-stage base and third-stage base can move horizontally along X axis and Y axis on the horizontal plane separately, thus can adjust the position of the piano line on X axis and Y axis, confirm the center of installation by confirming the center of X axis and center of Y axis separately; therefore, the method for determining the installation center has the advantages of simplicity, high centering efficiency and capability of greatly improving the installation efficiency of the equipment.
Description
Technical Field
The utility model relates to the technical field of pumped storage power station tools, in particular to a device for determining a site installation center of a water turbine.
Background
The hydraulic turbine is an important device of the pumped storage power station, and in the installation construction, each fixed part needs to be adjusted to the center of a rotating shaft system, so that the center point of a reference part needs to be determined, then a mark line is arranged on the center point, and other parts are adjusted and positioned by the mark line arranged on the center, thereby meeting the concentricity requirement.
Then, how to accurately position the marker line to the center position of the reference member and reliably fix the marker line becomes a key problem, and in the installation of the water turbine, the generator, and the like are installed based on the center in sequence with the center of the bottom volute as the reference.
Therefore, in the processes of installation, maintenance and the like of the hydroelectric generating set, centering is an indispensable process, the centering directly determines whether each part of the set is installed or not, and the centering quality directly determines the vibration swing degree of the set, so that the service life of the set is influenced, and if the set center does not reach the standard, the set can vibrate severely, the efficiency is low, various tiles are stressed unevenly, and the adverse effects such as tile burning are caused.
In the prior art, the conventional centering method is adopted, the micrometer and the dial indicator or the micrometer and the earphone are used for measuring the offset condition, and then the position of the centering device is adjusted until the center of a circle, so that the precision requirement cannot be met, the centering efficiency is very low, the installation progress of the equipment is slow, and the installation efficiency of the equipment is reduced.
Therefore, the existing water turbine installation has the problems that the method for determining the installation center is complex, the centering efficiency is low, and the installation efficiency of equipment is affected.
Disclosure of Invention
The utility model aims to provide a device for determining a field installation center of a water turbine. The method for determining the installation center has the advantages of simplicity, high centering efficiency and capability of greatly improving the installation efficiency of the equipment.
The technical scheme of the utility model is as follows: the device for determining the site installation center of the water turbine comprises a beam frame horizontally erected on a pit and a fine tuning unit arranged on the beam frame and used for lowering piano wires; the fine adjustment unit comprises a primary base, a secondary base which can be horizontally movably sleeved on the primary base, a tertiary base which can be horizontally movably arranged on the secondary base and a paying-off unit which can be detachably arranged on the tertiary base; the moving direction of the secondary base is perpendicular to the moving direction of the tertiary base; and the primary base, the secondary base and the tertiary base are respectively provided with a wire releasing groove for passing through the piano wire.
In the device for determining the on-site installation center of the water turbine, a beam base plate for installing the fine tuning unit is arranged above the middle of the beam, and an installation base plate is detachably arranged on the beam base plate; fixing holes for connecting with the beam frame bottom plate are formed in four corners of the mounting bottom plate, and the fine tuning unit is detachably arranged above the middle of the mounting bottom plate; and the beam frame bottom plate and the mounting bottom plate are respectively provided with a wire releasing groove for passing through the piano wire.
In the device for determining the on-site installation center of the water turbine, a first-stage guide groove for horizontally moving the second-stage base is formed in the middle of the upper part of the first-stage base, and an X-axis adjusting structure for driving the second-stage base to horizontally move is arranged at the rear end of the first-stage base; the X-axis adjusting structure comprises an X-axis adjusting knob and an X-axis adjusting screw rod, and the adjusting screw rod is rotationally connected with the secondary base.
In the device for determining the on-site installation center of the water turbine, a second guide groove for horizontally moving the third-stage base is formed in the middle of the upper part of the second-stage base, and a Y-axis adjusting structure for driving the third-stage base to horizontally move is arranged at the right end of the second-stage base; the Y-axis adjusting structure comprises a Y-axis adjusting knob and a Y-axis adjusting screw rod, and the Y-axis adjusting screw rod is rotationally connected with the three-stage base.
In the device for determining the field installation center of the water turbine, the primary guide groove and the secondary guide groove are mutually perpendicular and are inverted trapezoid grooves.
In the device for determining the on-site installation center of the water turbine, the paying-off unit is located on the front side above the three-stage base and comprises two supporting plates which are correspondingly arranged, a winding drum which is horizontally arranged between the supporting plates in a rotating mode, and a rotating handle which is arranged outside the supporting plates and connected with the winding drum and used for driving the winding drum to rotate.
In the device for determining the on-site installation center of the water turbine, the paying-off unit is further provided with a limiting structure for limiting and fixing; the limiting structure comprises limiting discs which are arranged at two ends of the winding reel and opposite in direction and limiting pins which are arranged on the inner side wall of the supporting plate and correspond to the limiting discs; limiting teeth which are uniformly distributed along the circumference are arranged on the limiting disc, and the limiting teeth are arc-shaped clamping teeth; the limiting pin is rotationally connected with the supporting plate through the rotating shaft, the torsion spring and the fixing nut.
Compared with the prior art, the utility model has the advantages that the beam frame is erected, the fine tuning unit is arranged on the beam frame and consists of an upper layer structure and a lower layer structure, wherein the secondary base and the tertiary base can respectively horizontally move along the X axis and the Y axis on the horizontal plane, so that the positions of piano wires can be adjusted on the X axis and the Y axis, and the installation center is determined by respectively determining the center of the X axis and the center of the Y axis;
by adopting the method, the worker only needs to roughly erect the beam frame above the estimated installation center, then adjusts and locks the specific position of the installation center by carrying out fine displacement on the X axis and the Y axis, the operation is convenient, the centering efficiency is high, and the installation center of the installation site can be rapidly and simply determined by adopting the method, so that the installation efficiency of equipment can be improved.
Therefore, the method for determining the installation center has the advantages of simplicity, high centering efficiency and capability of greatly improving the installation efficiency of the equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of the split construction of the present utility model (without beam);
FIG. 5 is a schematic diagram of the structure of the fine tuning unit of the present utility model;
FIG. 6 is a front view of the fine tuning unit of the present utility model;
FIG. 7 is a left side view of the trimming unit of the present utility model;
FIG. 8 is a schematic diagram of an exploded construction of the fine tuning unit of the present utility model;
fig. 9 is a schematic view of a spacing structure of the present utility model.
The marks in the drawings are: the device comprises a 1-fine adjustment unit, a 2-primary base, a 21-primary guide groove, a 22-X axis adjusting knob, a 23-X adjusting screw rod, a 3-secondary base, a 31-secondary guide groove, a 32-Y axis adjusting knob, a 4-tertiary base, a 5-paying-off unit, a 51-support plate, a 52-winding drum, a 53-rotating handle, a 6-paying-off groove, a 7-limiting disc, 71-limiting teeth, 72-limiting pins, an 8-beam frame bottom plate, an 81-mounting bottom plate, 82-fixing holes and 9-beam frames.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The device for determining the site installation center of the water turbine is shown in fig. 1, and comprises a beam frame 9 horizontally erected on a pit and a fine tuning unit 1 arranged on the beam frame 9 and used for lowering piano wires; as shown in fig. 5, the fine adjustment unit 1 comprises a primary base 2, a secondary base 3 which is sleeved on the primary base 2 in a horizontal moving way, a tertiary base 4 which is arranged on the secondary base 3 in a horizontal moving way, and a paying-off unit 5 which is detachably arranged on the tertiary base 4; the moving direction of the secondary base 3 is mutually perpendicular to the moving direction of the tertiary base 4; as shown in fig. 8, pay-off grooves 6 for passing through piano wires are formed in the primary base 2, the secondary base 3 and the tertiary base 4.
As shown in fig. 2-4, a beam frame bottom plate 8 is arranged above the middle part of the beam frame 9, and a mounting bottom plate 81 is arranged on the beam frame bottom plate 8; four corners of the mounting base plate 81 are provided with fixing holes 82, the fixing holes 82 are connected with the beam frame base plate 8, and the fine tuning unit 1 is detachably arranged above the middle part of the mounting base plate 81; pay-off grooves 6 for passing through piano wires are formed in the beam frame bottom plate 8 and the mounting bottom plate 81.
As shown in fig. 5-8, a first-stage guide groove 21 for horizontally moving the second-stage base 3 is formed in the middle of the upper part of the first-stage base 2, and an X-axis adjusting structure for driving the second-stage base 3 to horizontally move is arranged at the rear end of the first-stage base 2; the X-axis adjusting structure comprises an X-axis adjusting knob 22 and an X-axis adjusting screw rod 23, and the adjusting screw rod 23 is in rotary connection with the secondary base 3.
The middle part above the secondary base 3 is provided with a secondary guide groove 31 for horizontally moving the tertiary base 4, and the right end of the secondary base 3 is provided with a Y-axis adjusting structure for driving the tertiary base 4 to horizontally move; the Y-axis adjusting structure comprises a Y-axis adjusting knob 32 and a Y-axis adjusting screw rod, and the Y-axis adjusting screw rod is rotationally connected with the three-stage base 4.
The primary guide groove 21 and the secondary guide groove 31 are perpendicular to each other, and are both inverted trapezoidal grooves.
The paying-off unit 5 is located at the front side above the three-stage base 4 and comprises two supporting plates 51 which are correspondingly arranged, a winding reel 52 which is horizontally arranged between the supporting plates 51 in a rotating mode, and a rotating handle 53 which is arranged outside the supporting plates 51 and connected with the winding reel 52 and used for driving the winding reel 52 to rotate.
As shown in fig. 9, the paying-off unit 5 is further provided with a limiting structure for limiting and fixing; the limiting structure comprises limiting discs 7 which are arranged at two ends of the winding reel 52 and opposite in direction and limiting pins 72 which are arranged on the inner side wall of the supporting plate 51 and correspond to the limiting discs 7; the limiting disc 7 is provided with limiting teeth 71 which are uniformly distributed along the circumference, and the limiting teeth 71 are arc-shaped clamping teeth; the limiting pin 72 is rotatably connected with the support plate 51 through a rotation shaft, a torsion spring and a fixing nut. By arranging the limiting structure, and the directions of the limiting teeth 71 on the two limiting plates 7 are opposite, the rotation of the winding reel 52 can be limited in two directions respectively, and the limiting is more stable; by opening one of the stop pins 72, it is convenient for the operator to perform the rotation in this direction, and the stop pin 72 that is not opened at this time can play a role in preventing reverse rotation (mainly when winding up) under the action of the torsion spring.
Working principle:
according to the actual condition of site construction, horizontally erecting and installing the beam frame 9 on a construction site, and adjusting the beam frame 9 so that the beam frame bottom plate 8 is approximately positioned right above an installation center;
adjusting the mounting position of the mounting base plate 81 according to the actual situation so that the mounting base plate 81 is positioned approximately right above the mounting center;
mounting the fine adjustment unit 1 on the right upper side of the mounting base plate 81;
the pay-off unit 5 puts the piano wire into the pit along the pay-off groove 6, and after the piano wire is put in place, the limiting pin 72 is adjusted to enable the pay-off unit 5 to be limited, so that the piano wire is prevented from being automatically put down;
firstly, determining the center of an X axis, and rotating an X axis adjusting knob 22 to enable a secondary base 3 to drive a paying-off unit 5 and a piano wire to finely move on the X axis until the piano wire is positioned on the center of the X axis;
then, the center of the Y axis is determined, and the three-stage base 4 drives the paying-off unit 5 and the piano wire to finely move on the Y axis by rotating the Y axis adjusting knob 32 until the piano wire is positioned on the center of the Y axis;
after the centers of the X axis and the Y axis are determined, the position of the installation center can be locked and positioned, and at the moment, the piano line is aligned with the center of the draft tube which is preset at the bottom of the pit, so that subsequent equipment can be conveniently aligned and installed.
Claims (7)
1. An apparatus for a water turbine to define a field installation center, characterized by: comprises a beam frame (9) horizontally erected on the pit and a fine tuning unit (1) arranged on the beam frame (9) and used for lowering piano wires; the fine adjustment unit (1) comprises a primary base (2), a secondary base (3) which is sleeved on the primary base (2) in a horizontal moving manner, a tertiary base (4) which is arranged on the secondary base (3) in a horizontal moving manner, and a paying-off unit (5) which is detachably arranged on the tertiary base (4); the moving direction of the secondary base (3) is perpendicular to the moving direction of the tertiary base (4); pay-off grooves (6) for passing through piano wires are formed in the primary base (2), the secondary base (3) and the tertiary base (4).
2. An apparatus for a water turbine definitive field installation center as defined in claim 1 wherein: a beam frame bottom plate (8) for installing the fine adjustment unit (1) is arranged above the middle part of the beam frame (9), and an installation bottom plate (81) is detachably arranged on the beam frame bottom plate (8); four corners of the mounting bottom plate (81) are respectively provided with a fixing hole (82) used for being connected with the beam frame bottom plate (8), and the fine tuning unit (1) is detachably arranged above the middle part of the mounting bottom plate (81); pay-off grooves (6) for passing through piano wires are formed in the beam frame bottom plate (8) and the mounting bottom plate (81).
3. An apparatus for a water turbine definitive field installation center as defined in claim 1 wherein: a first-stage guide groove (21) for horizontally moving the second-stage base (3) is formed in the middle of the upper part of the first-stage base (2), and an X-axis adjusting structure for driving the second-stage base (3) to horizontally move is arranged at the rear end of the first-stage base (2); the X-axis adjusting structure comprises an X-axis adjusting knob (22) and an X-axis adjusting screw rod (23), and the adjusting screw rod (23) is rotationally connected with the secondary base (3).
4. A device for a water turbine definitive field installation centre as claimed in claim 3, wherein: the middle part above the secondary base (3) is provided with a secondary guide groove (31) for horizontally moving the tertiary base (4), and the right end of the secondary base (3) is provided with a Y-axis adjusting structure for driving the tertiary base (4) to horizontally move; the Y-axis adjusting structure comprises a Y-axis adjusting knob (32) and a Y-axis adjusting screw rod, and the Y-axis adjusting screw rod is rotationally connected with the three-stage base (4).
5. An apparatus for a water turbine definitive field installation center as defined in claim 4 wherein: the primary guide groove (21) and the secondary guide groove (31) are mutually perpendicular and are both inverted trapezoid grooves.
6. An apparatus for a water turbine definitive field installation center as defined in claim 1 wherein: the paying-off unit (5) is positioned on the front side above the three-stage base (4), and comprises two supporting plates (51) which are correspondingly arranged, a winding reel (52) which is horizontally arranged between the supporting plates (51) in a rotating mode, and a rotating handle (53) which is arranged outside the supporting plates (51) and connected with the winding reel (52) and used for driving the winding reel (52) to rotate.
7. An apparatus for a water turbine definitive field installation center as defined in claim 6 wherein: the paying-off unit (5) is also provided with a limiting structure for limiting and fixing; the limiting structure comprises limiting plates (7) which are arranged at two ends of the winding reel (52) and have opposite directions, and limiting pins (72) which are arranged on the inner side wall of the supporting plate (51) and correspond to the limiting plates (7); limiting teeth (71) which are uniformly distributed along the circumference are arranged on the limiting disc (7), and the limiting teeth (71) are arc-shaped clamping teeth; the limiting pin (72) is rotationally connected with the supporting plate (51) through a rotating shaft, a torsion spring and a fixing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346057.1U CN219492352U (en) | 2023-02-24 | 2023-02-24 | Device for determining field installation center of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346057.1U CN219492352U (en) | 2023-02-24 | 2023-02-24 | Device for determining field installation center of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492352U true CN219492352U (en) | 2023-08-08 |
Family
ID=87511414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320346057.1U Active CN219492352U (en) | 2023-02-24 | 2023-02-24 | Device for determining field installation center of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492352U (en) |
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2023
- 2023-02-24 CN CN202320346057.1U patent/CN219492352U/en active Active
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