CN114858040A - Steam turbine portion cover centering device - Google Patents
Steam turbine portion cover centering device Download PDFInfo
- Publication number
- CN114858040A CN114858040A CN202210648695.9A CN202210648695A CN114858040A CN 114858040 A CN114858040 A CN 114858040A CN 202210648695 A CN202210648695 A CN 202210648695A CN 114858040 A CN114858040 A CN 114858040A
- Authority
- CN
- China
- Prior art keywords
- pulley
- mounting seat
- rotating shaft
- adjusting device
- centering device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a turbine part sleeve centering device which comprises a left mounting seat, a right mounting seat, a left pulley and a right pulley frame, wherein the middle part of the left mounting seat is provided with the left pulley frame; the middle part of the right mounting seat is provided with a right pulley frame, a right rotating shaft is movably arranged on the right pulley frame, and a right pulley is arranged on the right rotating shaft; the left mounting seat and the right mounting seat are symmetrically mounted, steel wires are wound on the left pulley and the right pulley, and two ends of each steel wire are provided with hanging objects; the steel wire is electrically connected with one end of the battery through a wire, the other end of the battery is connected with the earphone through a wire, and the earphone is connected with the inside micrometer. The invention improves the working efficiency, shortens the construction period and reduces the production cost.
Description
Technical Field
The invention relates to a turbine installation measuring device, in particular to a centering device for positioning before installation of an inner sleeve of a turbine cylinder.
Background
When a large part of sleeves such as an inner cylinder and the like are in place, the single cylinder needs to be respectively subjected to sleeve alignment so as to prevent the sleeve alignment from affecting the safety and the through-flow efficiency of host equipment, and therefore, a steam turbine sleeve alignment device is necessary to manufacture.
In the past, dummy shaft measurement or common steel wire drawing measurement is generally adopted in the process of finding large-scale rotating machine equipment unit sleeves such as a steam turbine, the dummy shaft measurement needs to be processed according to the axial size of a unit, the dummy shaft needs to be well stored and transported, deformation is easy to occur, the common steel wire drawing measurement is generally fixed wire drawing measurement, the requirement on measuring personnel is high, and the accuracy of a measuring result is low. The conventional measurement process has the problems of delaying the construction period, wasting manpower, increasing the construction risk and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a turbine section sleeve centering device.
The invention is realized by the following technical scheme:
a turbine sleeve centering device comprises a left mounting seat, a right mounting seat, a left pulley, a right pulley, a steel wire, a suspension object, a left pulley frame, a right pulley frame, a left rotating shaft and a right rotating shaft; the middle part of the left mounting seat is provided with a left pulley yoke, a left rotating shaft is movably arranged on the left pulley yoke, and a left pulley is arranged on the left rotating shaft; a right pulley frame is arranged in the middle of the right mounting seat, a right rotating shaft is movably arranged on the right pulley frame, and a right pulley is arranged on the right rotating shaft; the left mounting seat and the right mounting seat are symmetrically mounted, steel wires are wound on the left pulley and the right pulley, and two ends of each steel wire are provided with hanging objects; the steel wire is electrically connected with one end of the battery through a wire, the other end of the battery is connected with the earphone through a wire, and the earphone is connected with the inside micrometer.
Furthermore, the left pulley yoke is arranged on the left mounting seat through a left adjusting device; and the right pulley yoke is arranged on the right mounting seat through a right adjusting device.
Furthermore, the left adjusting device comprises a sliding plate, a sliding seat, an adjusting screw rod and a fixed plate, the sliding seat is fixed on the left mounting seat, a dovetail groove is formed in the sliding seat, the sliding plate which is matched with the dovetail groove is movably mounted in the dovetail groove, the sliding plate is fixedly connected with the bottom of the left pulley frame, the fixed plate is mounted on the left mounting seat, a threaded hole is formed in the fixed plate, the adjusting screw rod is movably mounted in the threaded hole of the fixed plate, and the lower end of the adjusting screw rod is movably connected with the bottom plate; the right adjusting device and the left adjusting device are identical in structure and are symmetrically arranged on the right mounting seat.
Furthermore, the left pulley yoke and the right pulley yoke have the same structure and are formed by welding a bottom plate and two side plates, the two side plates are respectively and vertically welded on two sides of the bottom plate, corresponding shaft holes are formed in the two side plates, and a left rotating shaft or a right rotating shaft is movably mounted in the shaft holes.
Furthermore, an inner thread is arranged in a shaft hole formed in each of the two side plates, an outer thread matched with the inner thread of the shaft hole is arranged at one end of each of the left rotating shaft and the right rotating shaft, and an adjusting nut is welded at the end of each of the left rotating shaft and the right rotating shaft.
Further, the adjusting nut is a hexagonal nut.
Further, left side mount pad, right mount pad adopt the channel-section steel preparation, be equipped with left mounting groove, right mounting groove on left side mount pad, the right mount pad respectively, install left adjusting device, left pulley yoke, right adjusting device, right pulley yoke in left side mounting groove, the right mounting groove.
The adjustable left pulley frame, the right adjusting device and the right pulley frame are movably arranged on the left mounting seat and the right mounting seat, and the left and right adjustment and the up and down adjustment of the pulleys are realized by matching the dovetail groove plates with the left and right adjusting device. During measurement, a left mounting seat and a right mounting seat are placed at two ends of an axis to be positioned and are generally placed at the central position of a bearing, then a left adjusting device and a right adjusting device are adjusted, a steel wire penetrates through two pulleys, the two ends of the steel wire are suspended by heavy blocks such as suspension rings, the steel wire is guaranteed to be straightened, the positions of the left pulley and the right pulley are leveled, the steel wire is used as an axis reference, a 12v or 24v battery, a section of conducting wire and a pair of earphones are utilized, one pole of the battery is connected with the steel wire during measurement, the other pole of the battery is connected with the earphones through the conducting wire, the earphones are connected with an inner diameter micrometer, when the inner diameter micrometer is measured and touched with the steel wire, a squeak sound is heard, the reading of the inner diameter micrometer at the moment is recorded, and accurate measurement is realized.
The device has the advantages of simple structure, strong functionality and high measurement precision, effectively reduces the labor intensity of constructors, improves the working efficiency, shortens the construction period, reduces the construction risk, can be repeatedly utilized, and greatly reduces the production, storage and transfer costs.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the left adjusting device, the left pulley yoke and the left pulley.
Fig. 3 is a top view of the left adjusting device, the left pulley yoke and the left pulley.
In the drawings: 1-left mounting seat; 2-right mounting seat; 3-left pulley; 4-right pulley; 5-steel wire; 6, suspending the object; 7-left pulley yoke; 8-right pulley yoke; 9-left rotating shaft; 10-right rotating shaft; 11-a threaded hole; 12-adjusting screw; 13-adjusting the nut; 14-inside micrometer; 15-an earphone; 16-a battery; 17-left mounting groove; 18-right mounting groove; 19-a slide plate; 20-a sliding seat; 21, fixing a plate; 22-a base plate; 23-side panel.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
As shown in fig. 1-3, a turbine casing centering device includes a left mounting base 1, a right mounting base 2, a left pulley 3, a right pulley 4, a steel wire 5, a suspension 6, a left pulley yoke 7, a right pulley yoke 8, a left rotating shaft 9, and a right rotating shaft 10.
As shown in fig. 1, in this embodiment, the left mounting seat 1 and the right mounting seat 2 are symmetrically installed, and both the left mounting seat 1 and the right mounting seat 2 are made of channel steel. The middle positions of the left mounting seat 1 and the right mounting seat 2 are respectively provided with a left mounting groove 17 and a right mounting groove 18, and a left adjusting device, a left pulley frame 7, a right adjusting device and a right pulley frame 8 are arranged in the left mounting groove 17 and the right mounting groove 18.
As shown in fig. 1, 2 and 3, the left pulley yoke 7 and the right pulley yoke 8 have the same structure and are bilaterally symmetrical. The left pulley yoke 7 and the right pulley yoke 8 are formed by welding a bottom plate 22 and two side plates 23, and the two side plates 23 are respectively and vertically welded on two sides of the bottom plate 22. The bottom plate 22 and the two side plates 23 are made of carbon steel plates or stainless steel plates. The center of the two side plates 23 is provided with a left and a right corresponding shaft holes. The shaft hole is movably provided with a rotating shaft which is divided into a left rotating shaft 9 and a right rotating shaft 10, the left pulley yoke 7 is movably provided with the left rotating shaft 9, and the right pulley yoke 8 is movably provided with the right rotating shaft 10. The middle part of the left rotating shaft 9 is provided with a left pulley 3 in a welding or key connection mode, and the middle part of the right rotating shaft 10 is provided with a right pulley 4 in a welding or key connection mode.
Preferably, two shaft holes are formed in each of the two side plates 23, an internal thread is formed in one of the shaft holes, external threads matched with the internal thread of the shaft hole are formed in one end of each of the left rotating shaft 9 and the right rotating shaft 10, adjusting nuts 13 are welded to the end portions of each of the left rotating shaft 9 and the right rotating shaft 10, and the adjusting nuts 13 are hexagonal nuts. When the adjusting nut 13 is rotated, the left rotating shaft 9 or the right rotating shaft 10 is driven to rotate, so that the front and back positions of the left pulley 3, the right pulley 4 and the steel wire 5 are adjusted.
The left pulley yoke 7 is arranged on the left mounting seat 1 through a left adjusting device; and the right pulley frame 8 is arranged on the right mounting seat 2 through a right adjusting device. In the present embodiment, the left adjusting device includes a sliding plate 19, a sliding seat 20, an adjusting screw 12, and a fixing plate 21. The sliding seat 20 is made of steel plates and fixed on the left mounting seat 1 in a welding mode, a dovetail groove is formed in the sliding seat 20, a sliding plate 19 matched with the dovetail groove is movably mounted in the dovetail groove, and the sliding plate 19 is a dovetail-shaped steel plate and is in sliding fit with the dovetail groove in the sliding seat 20. The sliding plate 19 is fixedly connected with the bottom plate 22 of the left pulley frame 7 through welding or bolt connection. Fixed plate 21 adopts the steel sheet preparation of rectangle or square, fixed plate 21 welds the upper end position at left mounting groove 17 of left mount pad 1, the center of fixed plate 21 is equipped with screw hole 11, adjusting screw 12 movable mounting is in the screw hole 11 of fixed plate 21, adjusting screw 12's lower extreme links to each other through threaded connection or revolute pair activity with bottom plate 22. The right adjusting device and the left adjusting device have the same structure and are symmetrically arranged on the right mounting seat 2.
The left adjusting device or the right adjusting device is rotated to drive the left pulley yoke 7 or the right pulley yoke 8 to move up and down along the dovetail groove, so that the up-and-down positions of the left pulley 3, the right pulley 4 and the steel wire 5 are adjusted.
The left pulley 3 and the right pulley 4 are wound with steel wires 5, two ends of each steel wire 5 are provided with hanging objects 6, each hanging object 6 is a hanging ring or a lead block and the like, and the hanging objects 6 tighten and straighten the steel wires 5. The steel wire 5 is electrically connected with one end of a battery 16 through a lead, the other end of the battery 16 is connected with an earphone 15 through a lead, and the earphone 15 is connected with an inside micrometer 14.
The adjustable left pulley frame 7, the right adjusting device and the right pulley frame 8 are movably arranged on the left mounting seat 1 and the right mounting seat 2, and the pulleys are adjusted left and right and up and down by matching the dovetail groove plates with the left and right adjusting devices. During measurement, the left mounting seat 1 and the right mounting seat 2 are placed at two ends of an axis to be positioned and are generally placed at the central position of a bearing, then the left adjusting device and the right adjusting device are adjusted, a steel wire 5 penetrates through two pulleys, two ends of the steel wire 5 are suspended by weight blocks such as suspension rings and the like, so that the steel wire 5 is straightened, the positions of the left pulley 4 and the right pulley 4 are leveled, the steel wire 5 is used as an axis reference, a 12v or 24v battery 16, a section of conducting wire and a pair of earphones 15 are utilized, one pole of the battery 16 is connected with the steel wire 5 during measurement, the other pole of the battery 16 is connected with the earphones 15 by the conducting wire, the earphones 15 are connected with the inside micrometer 14, when the inside micrometer 14 touches the steel wire 5 during measurement, a squeak sound is heard, the reading of the inside micrometer 14 at the moment is recorded, and accurate measurement is realized.
The device has the advantages of simple structure, strong functionality and high measurement precision, effectively reduces the labor intensity of constructors, improves the working efficiency, shortens the construction period, reduces the construction risk, can be repeatedly utilized, and greatly reduces the production, storage and transportation costs.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described examples. It should be noted that modifications and adaptations to those skilled in the art may occur to persons skilled in the art without departing from the spirit and scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (7)
1. The utility model provides a steam turbine portion cover device of giving a look at which characterized in that: comprises a left mounting seat, a right mounting seat, a left pulley, a right pulley, a steel wire, a suspension object, a left pulley frame, a right pulley frame, a left rotating shaft and a right rotating shaft; the middle part of the left mounting seat is provided with a left pulley yoke, a left rotating shaft is movably arranged on the left pulley yoke, and a left pulley is arranged on the left rotating shaft; the middle part of the right mounting seat is provided with a right pulley frame, a right rotating shaft is movably arranged on the right pulley frame, and a right pulley is arranged on the right rotating shaft; the left mounting seat and the right mounting seat are symmetrically mounted, steel wires are wound on the left pulley and the right pulley, and two ends of each steel wire are provided with hanging objects; the steel wire is electrically connected with one end of the battery through a wire, the other end of the battery is connected with the earphone through a wire, and the earphone is connected with the inside micrometer.
2. The turbine casing centering device according to claim 1, wherein: the left pulley yoke is arranged on the left mounting seat through a left adjusting device; and the right pulley yoke is arranged on the right mounting seat through a right adjusting device.
3. The turbine casing centering device according to claim 2, wherein: the left adjusting device comprises a sliding plate, a sliding seat, an adjusting screw and a fixed plate, the sliding seat is fixed on the left mounting seat, a dovetail groove is formed in the sliding seat, the sliding plate matched with the dovetail groove is movably mounted in the dovetail groove, the sliding plate is fixedly connected with the bottom of the left pulley frame, the fixed plate is mounted on the left mounting seat, a threaded hole is formed in the fixed plate, the adjusting screw is movably mounted in the threaded hole of the fixed plate, and the lower end of the adjusting screw is movably connected with the bottom plate; the right adjusting device and the left adjusting device are identical in structure and are symmetrically arranged on the right mounting seat.
4. The turbine casing centering device according to claim 1, wherein: the left pulley yoke and the right pulley yoke are identical in structure and formed by welding a bottom plate and two side plates, the two side plates are respectively and vertically welded on two sides of the bottom plate, corresponding shaft holes are formed in the two side plates, and a left rotating shaft or a right rotating shaft is movably mounted in the shaft holes.
5. The turbine casing centering device according to claim 4, wherein: an internal thread is arranged in a shaft hole formed in each of the two side plates, an external thread matched with the internal thread of the shaft hole is arranged at one end of each of the left rotating shaft and the right rotating shaft, and an adjusting nut is welded at the end of each of the left rotating shaft and the right rotating shaft.
6. The turbine casing centering device according to claim 4, wherein: the adjusting nut is a hexagonal nut.
7. The turbine casing centering device according to claim 1, wherein: left side mount pad, right mount pad adopt the channel-section steel preparation, be equipped with left mounting groove, right mounting groove on left side mount pad, the right mount pad respectively, install left adjusting device, left pulley yoke, right adjusting device, right pulley yoke in left side mounting groove, the right mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648695.9A CN114858040A (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648695.9A CN114858040A (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114858040A true CN114858040A (en) | 2022-08-05 |
Family
ID=82625434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210648695.9A Pending CN114858040A (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114858040A (en) |
-
2022
- 2022-06-09 CN CN202210648695.9A patent/CN114858040A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201685112U (en) | Drilling fixture for crankshaft straight oil holes | |
| CN209991914U (en) | Diameter measuring device for metal product air pipe | |
| CN118299150B (en) | Use method of transformer base convenient to install | |
| CN210997226U (en) | Waterproof sleeve welding jig | |
| CN209886817U (en) | Cutting device is used in bar copper production | |
| CN113042389B (en) | Bearing inner hole size detection device | |
| CN110842603A (en) | Connecting rod components of a whole that can function independently processing frock | |
| CN212527640U (en) | Rotor overhauls support | |
| CN114858040A (en) | Steam turbine portion cover centering device | |
| CN217654456U (en) | Steam turbine portion cover centering device | |
| CN212811414U (en) | Low temperature resistant motor | |
| CN215240414U (en) | Be applied to machine-building finished product and detect and use anchor clamps | |
| CN216283339U (en) | Five metals terminal check out test set | |
| CN214109466U (en) | Liftable formula last item frock | |
| CN210603931U (en) | Vehicle frame stress detection device | |
| CN210375692U (en) | Electromagnetic clutch test tool | |
| CN209795157U (en) | Adjusting structure of automobile engine bottom fixing seat | |
| CN210588050U (en) | Tool for centering coupler | |
| CN210499353U (en) | Clamping and fixing device for camshaft machining production | |
| CN115597545A (en) | Motorcycle shock absorber traveller straightness detection device that hangs down | |
| CN201517963U (en) | Symmetrical adjustment device for left and right supports of engine | |
| CN218193883U (en) | Frock clamp for chamfer of bearing retainer | |
| CN212111169U (en) | Electric power engineering quality detection device | |
| CN221047684U (en) | High stability steel pipe welding set | |
| CN110376521A (en) | A kind of motor clamping device of automobile drive motor testboard bay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |