CN217654456U - Steam turbine portion cover centering device - Google Patents
Steam turbine portion cover centering device Download PDFInfo
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- CN217654456U CN217654456U CN202221431164.6U CN202221431164U CN217654456U CN 217654456 U CN217654456 U CN 217654456U CN 202221431164 U CN202221431164 U CN 202221431164U CN 217654456 U CN217654456 U CN 217654456U
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- pulley
- mounting seat
- rotating shaft
- adjusting device
- centering device
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Abstract
The utility model relates to a steam turbine sleeve centering device, which comprises a left mounting seat, a right mounting seat, a left pulley and a right pulley yoke, wherein the middle part of the left mounting seat is provided with the left pulley yoke; 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 utility model provides high work efficiency has shortened construction period, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a steam turbine installation measuring device, concretely relates to device of finding of location before installation of steam turbine jar internal portion cover.
Background
The cylinder inner sleeve is positioned and installed in the process of installing a new unit or reconstructing a steam turbine and overhauling the steam turbine, particularly when large sleeves such as an inner cylinder are in place, the single cylinder needs to be respectively subjected to sleeve alignment so as to prevent the sleeve from being misaligned and influencing the safety and the through-flow efficiency of main machine 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, the utility model provides a steam turbine portion cover is looked for well device.
The utility model discloses a realize through following technical scheme:
a turbine part sleeve centering device comprises a left mounting seat, a right mounting seat, a left pulley, a right pulley, a steel wire, a suspension, 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 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 sliding 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 are identical in structure and are formed by welding a bottom plate and two side plates, the two side plates are respectively welded on two sides of the bottom plate vertically, 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 utility model discloses the device has adjustable left pulley yoke, right adjusting device, right pulley yoke on left mount pad, right mount pad movable mounting, utilizes dovetail groove board cooperation left and right sides adjusting device, makes the pulley realize controlling, adjust from top to bottom. 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 utility model discloses device simple structure, functional strong, measurement accuracy are high, have alleviateed constructor's intensity of labour effectively, have improved work efficiency, have shortened construction period, have reduced the construction risk, and the device can reuse, greatly reduced production, keep, the cost of transportation.
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 rotation shaft; 10-right rotating shaft; 11-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 the following 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 frame 7 and the right pulley frame 8 are formed by welding a bottom plate 22 and two side plates 23, and the two side plates 23 are respectively 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 pulley device is characterized in that a rotating shaft is movably mounted in the shaft hole and is divided into a left rotating shaft 9 and a right rotating shaft 10, the left rotating shaft 9 is movably mounted on the left pulley frame 7, and the right rotating shaft 10 is movably mounted on the right pulley frame 8. 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 utility model discloses the device has adjustable left pulley yoke 7, right adjusting device, right pulley yoke 8 on left mount pad 1, right mount pad 2 movable mounting, utilizes adjusting device about the cooperation of forked tail frid, makes the pulley realize controlling, adjusts from top to bottom. During measurement, a left mounting seat 1 and a 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 a left adjusting device and a 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 loops and the like, so that the steel wire 5 is ensured to be 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 through a conducting wire during measurement, the other pole of the battery 16 is connected with the earphones 15 through a conducting wire, the earphones 15 are connected with an inside micrometer 14, when the inside micrometer 14 touches the steel wire 5 during measurement, a squeak is heard, the reading of the inside micrometer 14 at the moment is recorded, and accurate measurement is realized.
The device of the utility model is simple in structure, functional strong, measurement accuracy is high, has alleviateed constructor's intensity of labour effectively, has improved work efficiency, has shortened construction period, has reduced the construction risk, and the device can reuse, greatly reduced production, keep, the cost of transportation.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection 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; a left pulley frame is mounted in the middle of the left mounting seat, a left rotating shaft is movably mounted on the left pulley frame, and a left pulley is mounted 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 sliding 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 are formed by welding a bottom plate and two side plates, the two side plates are respectively welded on two sides of the bottom plate vertically, 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 5, 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 |
|---|---|---|---|
| CN202221431164.6U CN217654456U (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221431164.6U CN217654456U (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654456U true CN217654456U (en) | 2022-10-25 |
Family
ID=83683656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221431164.6U Active CN217654456U (en) | 2022-06-09 | 2022-06-09 | Steam turbine portion cover centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217654456U (en) |
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2022
- 2022-06-09 CN CN202221431164.6U patent/CN217654456U/en active Active
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