CN215924148U - Hang tile pillow specialized tool suitable for steam turbine overhauls - Google Patents

Abstract

The application discloses hang tile pillow specialized tool suitable for steam turbine overhauls, including backup pad, first fixed plate, support frame, head rod, adjustment mechanism and stop gear, adjustment mechanism includes motor, first threaded rod, bearing, first slider and support frame, the first fixed plate top of backup pad bottom inner wall fixed surface connection, first fixed plate outer wall fixed surface connects the bearing, the first threaded rod one end of bearing middle part fixed connection, the first slider of first threaded rod outer wall surface sliding connection, first slider bottom outer wall fixed surface connects the support frame, the first slide bar of support frame outer wall surface bottom outer wall fixed surface connection, first slide bar outer wall surface sliding connection slide. Drive first threaded rod through starter motor and remove, and drive first slider and remove along the threaded rod, be convenient for according to the length of the length adjustment equipment fixing device of tile pillow, the practicality of avoiding tile pillow variation in size to lead to the device is lower.

Description

Hang tile pillow specialized tool suitable for steam turbine overhauls

Technical Field

The application relates to the field of steam turbine maintenance, in particular to a special tool for a hanging tile pillow, which is suitable for steam turbine maintenance.

Background

A steam Turbine is a kind of turbomachinery (the term Turbine is from the transliteration of Turbine in english, which means a rotary fluid power machine) for converting gas heat energy into mechanical work. The steam turbine is a thermal turbine which takes steam as a working medium and converts the heat energy of the steam into mechanical work.

When the existing steam turbine is used for overhauling a spindle bearing bush, the spindle bearing bush needs to be measured, scraped and adjusted. Because the turbine base is arranged below the bearing bush, no maintenance space exists, and the lower half bearing bush is required to be turned over to the upper part of the main shaft during maintenance so as to carry out maintenance work. Because the axle bush work piece is heavy, the hoisting work place is narrow, the main shaft can only jack up the height of minimumly, and lower bearing bush and main shaft clearance are very little, move the bearing bush out from the bearing bush nest, and the operation is harder, injures main shaft or bearing bush very easily, for shortening the maintenance cycle, improve maintenance quality, need adopt and hang the special tool of tile pillow. Therefore, the special tool for the hanging tile pillow is provided for the maintenance of the steam turbine.

Disclosure of Invention

The embodiment provides a special tool for a hanging bearing bush pillow, which is suitable for overhauling a steam turbine and is used for solving the problems that in the prior art, the operation is harder and a main shaft or a bearing bush is easily damaged because the bearing bush is moved out of a bearing bush socket.

According to one aspect of the application, a special tool for a hanging tile pillow suitable for steam turbine maintenance is provided, and comprises a supporting plate, a first fixing plate, a supporting frame, a first connecting rod, an adjusting mechanism and a limiting mechanism;

the adjusting mechanism comprises a motor, a first threaded rod, a bearing, a first sliding block and a support frame, the surface of the inner wall of the bottom end of the support plate is fixedly connected with the top end of a first fixed plate, the surface of the outer wall of the first fixed plate is fixedly connected with the bearing, the middle part of the bearing is fixedly connected with one end of the first threaded rod, the surface of the outer wall of the first threaded rod is slidably connected with the first sliding block, the surface of the outer wall of the bottom end of the first sliding block is fixedly connected with the support frame, the surface of the outer wall of the bottom end of the outer wall of the support frame is fixedly connected with a first sliding rod, the surface of the outer wall of the first sliding rod is slidably connected with a sliding plate, and the bottom end of the surface of the outer wall of the sliding plate is fixedly connected with a threaded sleeve;

stop gear includes electric putter, third fixed plate, second connecting rod, head rod, fourth connecting rod, connecting block and inserted bar, head rod outer wall fixed surface connects the connecting block, connecting block inner wall surface sliding connection inserted bar, inserted bar outer wall fixed surface connects the second connecting rod, fourth connecting rod bottom outer wall fixed surface connects the third fixed plate.

Furthermore, the surface of the inner wall of the threaded sleeve is rotatably connected with a second threaded rod, and the surface of the outer wall of the bottom end of the first threaded rod is fixedly connected with a first connecting rod.

Further, the bottom end of the outer wall surface of the first connecting rod is fixedly connected with a second rotating shaft, and the outer wall surface of the second rotating shaft is rotatably connected with the inner wall surface of the third connecting rod.

Further, the outer wall surface of the connecting block and the outer wall surface of the inserted link are respectively connected with a movable pin in a sliding mode.

Furthermore, the surface of the outer wall of the top end of the supporting plate is fixedly connected with a second fixing plate, the middle of the second fixing plate is rotatably connected with a first rotating shaft, the surface of the outer wall of the first rotating shaft is fixedly connected with a wire wheel, and the surface of the outer wall of the wire wheel is connected with a rope in a sliding mode.

Further, one end of the first threaded rod is fixedly connected with the output end of the motor, and the surface of the outer wall of the motor is fixedly connected with the supporting plate.

Furthermore, a clamping groove is formed in the surface of the outer wall of the first sliding rod, the surface of the inner wall of the clamping groove is connected with a second sliding block in a sliding mode, and the surface of the outer wall of the second sliding block is connected with a sliding plate in a sliding mode.

Furthermore, the number of the second connecting rods is four, and the four second connecting rods are symmetrically arranged by taking the center line of the supporting plate as the center.

Furthermore, the number of the motors and the number of the threaded rods are four, and the motors and the threaded rods are symmetrically arranged by taking the center line of the supporting plate as the center.

Furthermore, the number of the third fixing plates is four, and the four third fixing plates are symmetrically arranged by taking the center line of the supporting plate as the center.

Through the above-mentioned embodiment of this application, adopted adjustment mechanism and stop gear, solved and moved the axle bush out from the axle bush nest, the operation is harder, hinders the problem of main shaft or axle bush very easily, has gained and has driven first threaded rod through starter motor and removed, and drives first slider and remove along the threaded rod, is convenient for according to the length of the length adjustment equipment fixing device of tile pillow, avoids the lower effect of the practicality that the tile pillow variation in size leads to the device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic side view of an embodiment of the present application;

fig. 4 is a schematic view of a portion a of fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. a support plate; 2. a first fixing plate; 3. a bearing; 4. a first threaded rod; 5. a motor; 6. a first slider; 7. a support frame; 8. a slide plate; 9. a first slide bar; 10. a threaded sleeve; 11. a second threaded rod; 12. a first connecting rod; 13. connecting blocks; 14. a second connecting rod; 15. inserting a rod; 16. a loose pin; 17. a second fixing plate; 18. a first rotating shaft; 19. a wire wheel; 20. a rope; 21. a second rotating shaft; 22. a third connecting rod; 23. an electric push rod; 24. a fourth connecting rod; 25. a third fixing plate; 26. a card slot; 27. and a second slider.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The adjusting mechanism in the embodiment can be applied to various turbines, for example, the following device for turning the upper cylinder of the nuclear power plant feed pump turbine is provided in the embodiment, and the adjusting mechanism in the embodiment can be used for installing the following turbine.

This steam turbine mechanism includes: the lifting beam is used for installing and fixing a flange plate on an inlet valve inlet of a water supply pump steam turbine cylinder body and a lifting beam for connecting a lifting appliance to lift; the hanging beam is fixedly connected to the flange and extends towards the direction far away from the cylinder body.

Preferably, the hanging beam is located at a central position of the flange plate.

Preferably, a through hole is formed in the center of the flange, and one end of the hanging beam is fitted in the through hole and welded and fixed to the flange.

Preferably, the first and second electrodes are formed of a metal,

and after one end of the hanging beam fixedly connected to the flange plate passes through the through hole, the tail end of the hanging beam is exposed on the surface of the flange plate, which is back to the hanging beam.

Preferably, the flange plate is provided with a plurality of mounting holes for fastening bolts to penetrate through; the mounting holes are distributed at intervals along the circumferential direction of the flange plate.

Preferably, the hanging beam is provided with an annular positioning groove for winding a hanging rope of a hanging tool, and the positioning groove is arranged at one end of the hanging beam far away from the flange.

Preferably, a first screw hole is formed in the end face, away from the flange, of the hanging beam; and/or a second screw hole extending towards the center direction of the flange plate is formed in the side surface of the flange plate.

Preferably, the upper cylinder turning device of the water supply pump turbine of the nuclear power plant further comprises at least one reinforcing rib plate; the reinforcing rib plate is fixedly connected to the axial side face of the hanging beam, and one end face of the reinforcing rib plate is fixedly connected to the surface of the flange plate.

Preferably, the reinforcing ribs have a width that decreases from an end adjacent the flange to an end remote from the flange.

Preferably, the upper cylinder turnover device of the water supply pump steam turbine of the nuclear power plant comprises four reinforcing rib plates which are uniformly distributed at intervals along the circumferential direction of the hanging beam.

Of course, the present embodiment can also be used for steam turbines installed in other structures. The following describes the adjusting mechanism according to the embodiment of the present application, which is not described in detail herein.

Referring to fig. 1-4, a special tool for a tile hanging pillow suitable for steam turbine maintenance includes a supporting plate 1, a first fixing plate 2, a supporting frame 7, a first connecting rod 12, an adjusting mechanism and a limiting mechanism;

the adjusting mechanism comprises a motor 5, a first threaded rod 4, a bearing 3, a first sliding block 6 and a support frame 7, the surface of the inner wall at the bottom end of the support plate 1 is fixedly connected with the top end of a first fixing plate 2, the surface of the outer wall of the first fixing plate 2 is fixedly connected with the bearing 3, the middle part of the bearing 3 is fixedly connected with one end of the first threaded rod 4, the surface of the outer wall of the first threaded rod 4 is slidably connected with the first sliding block 6, the surface of the outer wall at the bottom end of the first sliding block 6 is fixedly connected with the support frame 7, the surface of the outer wall at the bottom end of the outer wall of the support frame 7 is fixedly connected with a first sliding rod 9, the surface of the outer wall of the first sliding rod 9 is slidably connected with a sliding plate 8, and the bottom end of the surface of the outer wall of the sliding plate 8 is fixedly connected with a threaded sleeve 10;

the limiting mechanism comprises an electric push rod 23, a third fixing plate 25, a second connecting rod 14, a first connecting rod 12, a fourth connecting rod 24, a connecting block 13 and an inserting rod 15, the outer wall surface of the first connecting rod 12 is fixedly connected with the connecting block 13, the inner wall surface of the connecting block 13 is slidably connected with the inserting rod 15, the outer wall surface of the inserting rod 15 is fixedly connected with the second connecting rod 14, the outer wall surface of the bottom end of the fourth connecting rod 24 is fixedly connected with the third fixing plate 25, a starting motor 5 drives a first threaded rod 4 to move and drives a first sliding block 6 to move along the threaded rod, the length of the device fixing device is conveniently adjusted according to the length of the tile pillow, and the fact that the practicability of the device is low due to the fact that the tile pillows are different in size is avoided;

the inner wall surface of the threaded sleeve 10 is rotatably connected with a second threaded rod 11, the outer wall surface of the bottom end of the first threaded rod 4 is fixedly connected with a first connecting rod 12, the bottom end of the outer wall surface of the first connecting rod 12 is fixedly connected with a second rotating shaft 21, the outer wall surface of the second rotating shaft 21 is rotatably connected with the inner wall surface of a third connecting rod 22, the outer wall surface of the connecting block 13 and the outer wall surface of the inserted rod 15 are respectively and slidably connected with a movable pin 16, so that the second connecting rod 14 can be conveniently installed, the outer wall surface of the top end of the supporting plate 1 is fixedly connected with a second fixing plate 17, the middle part of the second fixing plate 17 is rotatably connected with a first rotating shaft 18, the outer wall surface of the first rotating shaft 18 is fixedly connected with a wire wheel 19, the outer wall surface of the wire wheel 19 is slidably connected with a rope 20, one end of the first threaded rod 4 is fixedly connected with the output end of a motor 5, the outer wall surface of the motor 5 is fixedly connected with the supporting plate 1, so that the distance between the two third fixing plates 25 can be conveniently adjusted, the outer wall surface of the first slide bar 9 is provided with a clamping groove 26, the inner wall surface of the clamping groove 26 is connected with a second slide block 27 in a sliding manner, the outer wall surface of the second slide block 27 is connected with a slide plate 8 in a sliding manner, so that the slide plate 8 can be conveniently fixed on the first slide bar 9, four second connecting rods 14 are arranged, the second connecting rods 14 are symmetrically arranged by taking the central line of the support plate 1 as the center, four motors 5 and threaded rods are respectively arranged by taking the central line of the support plate 1 as the center, four third fixing plates 25 are arranged by taking the central line of the support plate 1 as the center, and the four third fixing plates 25 are symmetrically arranged by taking the central line of the support plate 1 as the center.

When the device is used, the rope 20 penetrates through the middle part of the wire wheel 19, the hoisting device is hoisted, the wire wheel 19 rotates along the first rotating shaft 18, the device is stable during hoisting, the first threaded rod 4 is driven to move by the starting motor 5, and the first sliding block 6 is driven to move along the threaded rod, so that the length of the equipment fixing device can be conveniently adjusted according to the length of the tile pillow, the problem that the practicability of the device is low due to different sizes of the tile pillow is avoided, the third fixing plate 25 is inserted into the tile pillow and is connected with the bearing 3 and becomes thinner gradually from inside to outside, the third fixing plate 25 is conveniently inserted into a gap between the tile pillow and the bearing 3 to be larger, the electric push rod 23 is started to push the second connecting rod 14 and the fixing plate to move, the first height is conveniently adjusted when the fixing plate is inserted into the gap between the tile pillow and the bearing 3, and the first connecting rod 12 is inserted into the connecting block 13 through the inserting rod 15, and the inserted link 15 and the connecting block 13 are fixed together through the movable pin 16, so that the tile pillow can be prevented from inclining when being lifted, and the tile pillow is caused to fall off from the lifting device, thereby causing potential safety hazards.

The application has the advantages that:

1. the first threaded rod is driven to move by starting the motor, and the first sliding block is driven to move along the threaded rod, so that the length of the equipment fixing device can be conveniently adjusted according to the length of the tile pillow, and the low practicability of the device caused by different sizes of the tile pillow is avoided;

2. the second connecting rod and the fixing plate are pushed to move by starting the electric push rod, the third fixing plate is arranged to be in a round table shape, the third fixing plate can be conveniently inserted into a gap between the tile pillow and the bearing, the third fixing plate is arranged to become thinner gradually from inside to outside, the gap between the tile pillow and the bearing can be conveniently enlarged, and manual taking and placing are convenient;

3. through inside inserting the connecting block with the head rod through the inserted bar, and be in the same place inserted bar and connecting block are fixed through the swizzle, be convenient for can prevent tile pillow slope when hoisting tile pillow, lead to tile pillow to drop from hoisting the device, cause the potential safety hazard.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a hang tile pillow specialized tool suitable for steam turbine overhauls which characterized in that: the device comprises a supporting plate (1), a first fixing plate (2), a supporting frame (7), a first connecting rod (12), an adjusting mechanism and a limiting mechanism;

the adjusting mechanism comprises a motor (5), a first threaded rod (4), a bearing (3), a first sliding block (6) and a support frame (7), the surface of the inner wall at the bottom end of the support plate (1) is fixedly connected with the top end of a first fixing plate (2), the surface of the outer wall at the bottom end of the first fixing plate (2) is fixedly connected with the bearing (3), the middle part of the bearing (3) is fixedly connected with one end of the first threaded rod (4), the surface of the outer wall at the middle part of the first threaded rod (4) is slidably connected with the first sliding block (6), the surface of the outer wall at the bottom end of the first sliding block (6) is fixedly connected with the support frame (7), the surface of the outer wall at the bottom end of the support frame (7) is fixedly connected with a first sliding rod (9), the surface of the outer wall of the first sliding rod (9) is slidably connected with a sliding plate (8), and the bottom end of the surface of the outer wall of the sliding plate (8) is fixedly connected with a threaded sleeve (10);

stop gear includes electric putter (23), third fixed plate (25), second connecting rod (14), head rod (12), fourth connecting rod (24), connecting block (13) and inserted bar (15), head rod (12) outer wall fixed surface connects connecting block (13), connecting block (13) inner wall surface sliding connection inserted bar (15), inserted bar (15) outer wall fixed surface connects second connecting rod (14), fourth connecting rod (24) bottom outer wall fixed surface connects third fixed plate (25).

2. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the inner wall surface of the threaded sleeve (10) is rotatably connected with a second threaded rod (11), and the outer wall surface of the bottom end of the first threaded rod (4) is fixedly connected with a first connecting rod (12).

3. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 2, wherein: the bottom end of the outer wall surface of the first connecting rod (12) is fixedly connected with a second rotating shaft (21), and the outer wall surface of the second rotating shaft (21) is rotatably connected with the inner wall surface of a third connecting rod (22).

4. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the outer wall surface of the connecting block (13) and the outer wall surface of the inserted link (15) are respectively connected with a movable pin (16) in a sliding manner.

5. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the supporting plate is characterized in that a second fixing plate (17) is fixedly connected to the surface of the outer wall of the top end of the supporting plate (1), the middle of the second fixing plate (17) is rotatably connected with a first rotating shaft (18), the surface of the outer wall of the first rotating shaft (18) is fixedly connected with a wire wheel (19), and the surface of the outer wall of the wire wheel (19) is slidably connected with a rope (20).

6. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: first threaded rod (4) one end fixed connection motor (5) output, motor (5) outer wall fixed surface connects backup pad (1).

7. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: a clamping groove (26) is formed in the surface of the outer wall of the first sliding rod (9), the surface of the inner wall of the clamping groove (26) is connected with a second sliding block (27) in a sliding mode, and the surface of the outer wall of the second sliding block (27) is connected with a sliding plate (8) in a sliding mode.

8. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the number of the second connecting rods (14) is four, and the four second connecting rods (14) are symmetrically arranged by taking the central line of the supporting plate (1) as the center.

9. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the number of the motors (5) and the number of the threaded rods are four, and the motors (5) and the threaded rods are symmetrically arranged by taking the center line of the support plate (1) as the center.

10. The special tool for the hanging tile pillow suitable for the steam turbine maintenance of claim 1, wherein: the number of the third fixing plates (25) is four, and the four third fixing plates (25) are symmetrically arranged by taking the central line of the support plate (1) as the center.

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