CN211258868U - Center positioning tool for annular component in installation of vertical water turbine generator set - Google Patents
Center positioning tool for annular component in installation of vertical water turbine generator set Download PDFInfo
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- CN211258868U CN211258868U CN201921643503.5U CN201921643503U CN211258868U CN 211258868 U CN211258868 U CN 211258868U CN 201921643503 U CN201921643503 U CN 201921643503U CN 211258868 U CN211258868 U CN 211258868U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A central positioning tool for a ring-shaped component in the installation of a vertical water turbine generator set is characterized by comprising a movable base, a left adjusting screw, a right adjusting screw, an adjusting screw base, a piano wire fixing frame, a movable plate, an upper locking plate, a front adjusting screw, a rear adjusting screw, a fixed base and a lower locking screw, wherein the adjusting screw base and the movable base are fixed above the fixed base, a first nut is arranged on the adjusting screw base, and the tail end of the front adjusting screw and the tail end of the rear adjusting screw are propped against the front side surface and the rear side surface of the movable base to; the second nuts are fixed at the left end and the right end of the upper surface of the movable base, the movable plate is placed in the center of the fixed base, the tail ends of the left and right adjusting screws are propped against the left and right side faces of the movable plate, the movable plate is controlled to move left and right relative to the movable base, the piano wire fixing frame is fixed on the movable plate, and the movable plate, the movable base and the fixed base are all provided with through holes through which piano wires can pass. The piano wire fixing frame is provided with adjusting screw rods in the front direction, the rear direction, the left direction and the right direction, so that the centering adjustment is simple, convenient and efficient.
Description
Technical Field
The utility model discloses the instrument belongs to the measuring tool that annular part circularity and central point put, especially belongs to the center locating tool of annular part in the installation of vertical hydroelectric set.
Background
In the process of building a hydropower station, the center alignment and roundness measurement of annular parts such as an upper frame, a stator, a lower frame, a top cover, a bottom ring and the like of a vertical water-turbine generator set are carried out, the center positions of the annular parts are checked, a piano wire is hung at the center of the center frame by using the center frame to serve as a plumb line, and the radiuses of all points around the center frame are measured by using an inside micrometer, so that the positions of the annular parts are adjusted. The axis of the unit can be determined by taking the seat ring as the center and measuring the inner radii of different parts; for the same part, the out-of-roundness of the part can be detected by measuring the radius with the same height; for the same part, the verticality of the part can be detected by measuring the radiuses with different heights on the same section.
The center frame in the prior art is generally manufactured on site, usually I-shaped steel or channel steel is used for manufacturing the cross beam, in order to ensure the rigidity and the strength of the cross beam, the weight of the manufactured center frame is heavy, center adjustment is carried out by moving the center frame, the adjustment amplitude is difficult to control, the labor intensity is high, and the precision is low. For the installation of the vertical water turbine generator set, the error requirement of the general axis is controlled within 0.05 mm. Therefore, the adjustment of the center frame to enable the plumb line to be in the center position required by the specification takes a long working time and has certain potential safety hazards.
Disclosure of Invention
The utility model aims to overcome the shortcoming of the adjustment difficulty that the centre frame that uses exists in the measurement of annular parts center alignment such as current vertical hydroelectric set upper ledge, stator, lower carriage, top cap, end ring and circularity, provide an easy adjustment, both guaranteed the required precision and raise the efficiency, process the simple and practical central positioning tool of annular parts in the vertical hydroelectric set installation moreover.
The technical scheme adopted by the utility model is a central positioning tool of annular parts in the installation of vertical hydroelectric generating set, which is characterized in that the central positioning tool comprises a movable base, a left adjusting screw, a right adjusting screw, an adjusting screw seat, a piano wire fixing frame, a movable plate, an upper locking plate, a front adjusting screw, a rear adjusting screw, a fixed base and a lower locking screw, wherein the adjusting screw seat is fixed above the fixed base; the movable base is characterized in that nuts II are fixed at the left end and the right end of the upper surface of the movable base, the movable plate is placed in the center of the fixed base, the tail end of a left adjusting screw rod and a right adjusting screw rod matched with the nuts II is abutted to the left side face and the right side face of the movable plate, the movable plate is controlled to move left and right relative to the movable base through the left adjusting screw rod and the right adjusting screw rod, the side face of the movable plate is an inclined plane, the cross section of the movable plate is in a trapezoid shape with a small top and a big bottom, the upper locking plates on the two sides are provided with inclined planes matched with the side faces of the movable plate, the upper locking plates are pressed above the inclined planes of the movable plate and fixed with the movable base to limit the.
The utility model discloses a piano wire mount passes through the two-stage fixed, makes it have around (Y axle), controls the adjustment of two directions (X axle) to realize the adjustment of piano wire centering, and have lower part locking screw, make the piano wire accomplish around (Y axle) adjust the back, fixed base is fixed with movable base, control the adjustment of (X axle) direction again, do not interfere the simplification adjustment each other.
The piano wire fixing frame consists of supports, a shaft, a roller and a handle, the roller is sleeved on the shaft and positioned between the two supports, the shaft is fixed on the two supports, the handle is connected with the shaft on the outer side of one support, and the piano wire is wound on the surface of the roller.
The utility model adopts the mature windlass technology for fixing the piano wire.
The locking device is composed of a pawl and a ratchet wheel matched with the pawl, the pawl is fixed on a pawl frame, the pawl is arranged on the side surface of a piano wire fixing frame, and the ratchet wheel is fixed on the piano wire fixing frame.
The utility model discloses carry out further improvement to ripe windlass technique and increased locking device, guarantee the stability of the piano wire after the adjustment is accomplished.
The fixed base is composed of a lower locking plate and a middle fixed plate which are arranged on two sides, and the lower locking plate is in fit connection with the middle fixed plate through an inclined plane. Because the movable base needs to be adjustable and fixed in two states, the fixing position of the fixed base fixed with the movable base cannot be determined, and the lower locking plate fixedly connected with the movable base and the lower locking plate is used as a bridge fixedly connected between the movable base and the fixed base.
The movable plate, the movable base and the fixed base are provided with through holes which can pass through the piano wire and are gradually increased from top to bottom below the piano wire fixed mount. The through holes of the piano wire are lightening holes of the whole set of equipment, the size of the through holes of the movable base can meet the requirement of left and right movement of the piano wire, and the through holes of the fixed base can meet the requirement of front and back and left and right direction adjustment of the piano wire.
The utility model discloses a piano line mount passes through the two-stage fixed, makes it have independent front and back (Y axle), controls the adjusting screw of two directions (X axle) to realize the adjustment of piano line centering, and have lower part locking screw, make the piano line accomplish around (Y axle) adjust the back, fixed base and movable base are fixed, control the adjustment of (X axle) direction again, do not interfere the simplification adjustment each other. Use the utility model discloses carry out center alignment and roundness measurement, simple convenient, efficient.
Drawings
FIG. 1 is a plan view of the tool of the present invention
FIG. 2 is a cross-sectional view of the tool of the present invention
FIG. 3 is a longitudinal sectional view of the tool of the present invention
Figure 4 is the utility model discloses a tool axonometric drawing
Wherein: 1 movable base 2 locking device 21 shaft 22 ratchet 23 pawl 24 pawl holder 3 left and right adjusting screw 5 adjusting screw seat 51 first nut 6 upper locking screw 7 cylinder 8 handle 9 front and rear adjusting screw 12 fixed base 121 upper locking plate 11 middle fixed plate 122 lower fixed plate 13 lower locking screw 15 bracket 19 second nut.
Detailed Description
The present invention will be described in detail with reference to the drawings
As shown in figures 1-4, a center positioning tool for a ring-shaped component in installation of a vertical water turbine generator set comprises a movable base 1, a left adjusting screw 3, a right adjusting screw 3, an adjusting screw seat 5, a piano wire fixing frame, a movable plate 9, an upper locking plate 10, a front adjusting screw 11, a rear adjusting screw 11, a fixed base 12 and a lower locking screw 13, wherein the adjusting screw seat 5 is fixed above the fixed base 12, an I-nut 51 is fixed on the adjusting screw seat, the movable base is arranged above the fixed base, the tail end of the front adjusting screw 11 matched with the I-nut is propped against the front side surface and the rear side surface of the movable base, the front adjusting screw and the rear adjusting screw are used for controlling the movable base to move back and forth, which can be called as Y-axis adjustment, the movable base is limited to move after the movable base is completed, and a stable Y-axis is provided for the subsequent left-right (X-, because the movable base needs to be adjustable and fixed in two states, the fixing position of the fixed base fixed with the movable base cannot be determined, and the lower locking plate fixedly connected with the movable base and the lower locking plate is used as a bridge fixedly connected between the movable base and the fixed base. Namely, the fixed base is composed of a lower locking plate 121 and a middle fixed plate 122 at two sides, the adjusting screw base is fixed on the middle fixed plate, the cross section of the middle fixed plate is in a trapezoid shape with a large top and a small bottom, and the lower locking plate and the middle fixed plate are in fit connection through an inclined plane. The second nuts 19 are fixed at the left end and the right end of the upper surface of the movable base, the movable plate is placed in the center of the fixed base, the tail ends of the left and right adjusting screws 3 matched with the second nuts are propped against the left and right side faces of the movable plate, the movable plate is controlled to move left and right relative to the movable base through the left and right adjusting screws, the side faces of the movable plate are inclined planes, the cross section of the movable plate is in a trapezoid shape with a small top and a big bottom, the inclined planes matched with the side faces of the movable plate are arranged on the upper locking plates at the two sides, the upper locking plate and the movable base are fixed through the upper locking screws 6, the front and back movement of the movable plate are limited, the movable plate is embedded in the upper locking plate, the piano wire fixing frame is fixed. The piano wire fixing frame consists of a support 15, a shaft 21, a roller 7 and a handle 8, wherein the roller is sleeved on the shaft and positioned between the two supports, the shaft is fixed on the two supports, the handle is connected with the shaft on the outer side of one support, and the piano wire is wound on the surface of the roller. A locking device 2 is arranged on the side face of the piano wire fixing frame, the locking device is composed of a pawl 23 and a ratchet wheel 22 matched with the pawl, the pawl is fixed on a pawl frame 24, the pawl is arranged on the side face of the piano wire fixing frame, and the ratchet wheel is fixed on the piano wire fixing frame. The rotation of the drum is restricted by the cooperation of the pawl 23 and the ratchet wheel to ensure the stability of the height of the piano wire. The middle fixing plates of the movable plate, the movable base and the fixed base are provided with through holes which can pass through the piano wire below the piano wire fixing frame and are gradually increased from top to bottom. The through hole of the piano wire is also a lightening hole of the whole set of equipment, the size of the through hole of the movable base can meet the requirement of left and right movement of the piano wire, and the through hole of the middle fixing plate can meet the requirement of front and back and left and right direction adjustment of the piano wire. The utility model discloses each part all adopts Q235B material.
The utility model discloses piano line mount passes through the two-stage and fixes, makes it have around (Y axle), controls the adjustment of two directions (X axle) to realize the adjustment of piano line centering, and have lower part locking screw, make the piano line accomplish around (Y axle) adjust the back, fixed base is fixed with movable base, the adjustment of controlling (X axle) direction again, also can control earlier, adjust around going on again, do not interfere the simplification adjustment each other. The piano line is fixed in the cylinder, realizes height-adjustable, the utility model relates to a vertical hydroelectric set each annular part center alignment and roundness measurement's plumb line's center realizes three-dimensionally adjustable, and the locking device who constitutes through lower part lockplate, upper portion lockplate, by pawl and ratchet realizes that the center after the adjustment is accomplished is stable unchangeable.
The utility model discloses use with current centre frame cooperation, utilize this center to adjust, no longer move heavy centre frame, the central point of estimating formula hydroelectric set earlier with eyes will the utility model discloses erect and put at centre frame upper portion central point, twine the piano wire on the cylinder, let out locking device, put down the piano wire through shaking the handle, wait to reach reasonable position and close locking device, hang the weight bottom the piano wire, as plumb line. When the center is aligned, firstly, the upper locking screw and the lower locking screw are unscrewed, the radiuses of all points around the upper locking screw and the lower locking screw are measured by an inside micrometer, the direction and the adjustment value which need to be adjusted are calculated, and then the position is adjusted by rotating the left and right adjusting screws and the front and back adjusting screws, and then the upper locking screw and the lower locking screw are screwed. The tool is used for center alignment and roundness measurement, and is simple, convenient and efficient.
Claims (6)
1. A central positioning tool for an annular component in the installation of a vertical water turbine generator set is characterized by comprising a movable base (1), a left adjusting screw rod, a right adjusting screw rod (3), an adjusting screw rod seat (5), a piano wire fixing frame, a movable plate (9), an upper locking plate (10), a front adjusting screw rod, a rear adjusting screw rod (11), a fixed base (12) and a lower locking screw rod (13), wherein the adjusting screw rod seat is fixed above the fixed base, an nut I is fixed on the adjusting screw rod seat, the movable base is arranged above the fixed base, the tail end of the front adjusting screw rod and the rear adjusting screw rod which are matched with the nut I are propped against the front side surface and the rear side surface of the movable base, the front adjusting screw rod and the rear adjusting screw rod are used for controlling the movable base to move back and; the movable base is characterized in that nuts II are fixed at the left end and the right end of the upper surface of the movable base, the movable plate is placed in the center of the fixed base, the tail end of a left adjusting screw rod and a right adjusting screw rod matched with the nuts II is abutted to the left side face and the right side face of the movable plate, the movable plate is controlled to move left and right relative to the movable base through the left adjusting screw rod and the right adjusting screw rod, the side face of the movable plate is an inclined plane, the cross section of the movable plate is in a trapezoid shape with a small top and a big bottom, the upper locking plates on the two sides are provided with inclined planes matched with the side faces of the movable plate, the upper locking plates are pressed above the inclined planes of the movable plate and fixed with the movable base to limit the.
2. The tool for centering a ring-shaped component in the installation of a vertical hydroelectric generating set according to claim 1, wherein the piano wire fixing frame is composed of a support (15), a shaft (21), a roller (7) and a handle (8), the roller is sleeved on the shaft and positioned between the two supports, the shaft is fixed on the two supports, the handle is connected with the shaft at the outer side of one support, and the piano wire is wound on the surface of the roller.
3. The tool for centering a ring-shaped member in the installation of a vertical hydro-turbo generator set according to claim 1, wherein the tool comprises a locking device (2) consisting of a pawl (23) and a ratchet (22) engaged therewith, the pawl is fixed on a pawl frame (24), the pawl is erected on the side of the piano wire fixing frame, and the ratchet is fixed on the piano wire fixing frame.
4. The tool for centering a ring-shaped member in the installation of a vertical hydro-turbo generator set according to claim 2, wherein the tool comprises a locking device (2) consisting of a pawl and a ratchet wheel engaged therewith, the pawl is fixed on a pawl frame, the pawl is mounted on a side surface of the piano wire fixing frame, and the ratchet wheel is fixed on a shaft of the piano wire fixing frame.
5. The tool for centering a ring-shaped member in the installation of a vertical hydro-turbo generator set according to claim 1, wherein the fixing base is composed of a lower locking plate and a middle fixing plate at both sides, and the lower locking plate and the middle fixing plate are engaged with each other through an inclined surface.
6. The tool for centering a ring-shaped component in installation of a vertical hydroelectric generating set according to claim 1, wherein the movable plate, the movable base and the fixed base are provided with through holes which can pass through a piano wire and are gradually enlarged from top to bottom below the piano wire fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643503.5U CN211258868U (en) | 2019-09-29 | 2019-09-29 | Center positioning tool for annular component in installation of vertical water turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921643503.5U CN211258868U (en) | 2019-09-29 | 2019-09-29 | Center positioning tool for annular component in installation of vertical water turbine generator set |
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| Publication Number | Publication Date |
|---|---|
| CN211258868U true CN211258868U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921643503.5U Active CN211258868U (en) | 2019-09-29 | 2019-09-29 | Center positioning tool for annular component in installation of vertical water turbine generator set |
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| CN (1) | CN211258868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629475A (en) * | 2020-12-02 | 2021-04-09 | 国网甘肃省电力公司刘家峡水电厂 | Large-scale vertical generator center measuring device |
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2019
- 2019-09-29 CN CN201921643503.5U patent/CN211258868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629475A (en) * | 2020-12-02 | 2021-04-09 | 国网甘肃省电力公司刘家峡水电厂 | Large-scale vertical generator center measuring device |
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