KR100920506B1 - A turbin bearing turning tool - Google Patents

Abstract

PURPOSE: A turbine bearing rotation apparatus is provided to prevent damage to a turbine bearing and accidents by rotating the inner circumference of a bearing structure upward and downward according to need. CONSTITUTION: A turbine bearing rotation apparatus(100) comprises a pair of supports(20,20'), a rotary shaft(30), a fixture(40), and an actuator(50). A pair of supports are isolated from each other and vertically installed. The rotary shaft is installed between a pairs of supports. A bearing structure(22) is fixed at a fixture. The fixture is coupled on the rotary shaft and rotates. The actuator is connected to the rotary shaft and rotates the rotary shaft.

Description

Turbine bearing turning tool {A turbin bearing turning tool}

The present invention relates to a turbine bearing rotating device, and more specifically, to securely secure a heavy weight bearing structure so as not to collide with other objects and to shake, so that the inner circumferential surface of the bearing structure rotates upward or downward as necessary. The present invention relates to a turbine bearing rotating device which prevents the risk of damage to the turbine bearings and safety accidents by shortening, and shortens the inspection and maintenance work time of the turbine bearings.

Turbine is a fluid such as water / gas / steam passes through a rotor, such as a rotor (rotator) to induce the rotation of the rotating body to convert the fluid energy into mechanical energy to directly utilize or convert back into electrical energy As a device for utilization, it is installed and utilized in various industrial sites including power plants.

In general, a large turbine installed in a power plant or a medium / small turbine installed in various industrial sites is installed with a turbine bearing to support a rotating body. As a turbine bearing, Korean Patent Publication No. 10-2005-0060000 " As shown in "Rotor Bearing Device of Gas Turbine", etc., a bearing for supporting a horizontal load is a vertically disassembled journal bearing in which a pair of bearing components are coupled up and down as shown in FIGS. 1A and 1B. bearings are commonly used.

Such turbine bearings are large in size and weight in accordance with the size of the rotor in order to stably support a rotor such as a rotor having a certain size or more used in the turbine. It is common to have a weight in units of).

On the other hand, as the rotor of the turbine rotates at any time according to the fluid flow, the turbine bearing supporting the rotor has a phenomenon that the contact surface in contact with the rotor is worn or deformed or damaged by frictional heat. Accordingly, maintenance work on turbine bearings such as inspection work on wear and damage of turbine bearings and various surface treatments to minimize wear and damage of turbine bearings are carried out from time to time. It was made to support the rotating body stably.

In order to maintain the turbine bearings, the turbine bearings must be separated from the turbine and then disassembled into a pair of upper and lower bearing assemblies, and then the bearing components are moved to a separate space for maintenance. As a result of the heavy weight, after installing the eye bolt on the bearing structure, the bearing structure was moved by connecting a hoist or a crane to the eye bolt of the bearing structure.

However, as described above, the inspection and maintenance work on the bearing structure is performed on the inner surface of the bearing structure in contact with the rotating body, so that the inspection and maintenance work on the inner surface of the bearing structure can be performed as necessary. The rotational position of the bearing arrangements needed to be adjusted.

However, when the rotating position of the heavy weight bearing rotor is adjusted using a hoist or a crane as described above, the difficulty of the operation is high, and a problem such as a safety accident or damage to the bearing rotor is damaged during the operation. Occurred.

Accordingly, the present invention improves the problems in the maintenance work of the conventional turbine bearings, and provides a configuration to stably rotate and rotate the bearing structure so that there is no collision and shaking with other objects, thereby checking and maintaining the turbine bearings. It is an object of the present invention to provide a new type of turbine bearing rotator which can prevent the risk of damage to the turbine bearing and safety accidents during the movement and rotational position change of the turbine bearing for operation.

In particular, the present invention provides a configuration in which the inner peripheral surface of the bearing structure is rotated upward or downward as necessary, so that the movement and rotational position of the bearing structure for inspection and maintenance work and reinstallation of the turbine bearing can be easily and quickly changed. It is an object of the present invention to provide a turbine bearing rotation device of a new type that can be shortened working time.

According to a feature of the present invention for achieving the above object, the present invention is a turbine bearing rotating apparatus for maintaining a turbine bearing 200 is composed of a pair of bearing structure 220, 220 'is coupled up and down A pair of supports 20 and 20 'spaced apart from each other and vertically installed; A rotation shaft 30 installed between the pair of supports 20 and 20 '; A bearing 40 to which the bearing structures 220 and 220 'are fixed and coupled to the rotating shaft 30 to rotate; An actuator (50) connected to the rotary shaft (30) to rotate the rotary shaft (30); Including, the bearing structure (220) (220 ') is fixed to the holder 40, the actuator 50 is driven to rotate the bearing structure (220, 220') to the bearing structure (220) ( 220 ') is characterized in that the rotational position of the bearing structure 220 (220') so that the inspection and maintenance work and reinstallation work can be made.

In the turbine bearing rotating apparatus according to the present invention as described above, the fixing table 40 is formed in a box shape having an upper and lower portions open, and is fixed to the rotating frame 30 by being coupled to the rotating shaft 30; It is coupled to the lower portion of the fixed frame 42, horizontally spaced apart from each other in the lower portion of the fixed frame 42 so that the lower ends (224a) (224b) of the bearing structure 220, 220 'is fixed. A lower fixed end 44; Lower both ends 224a and 224b of the bearing structures 220 and 220 'are coupled to an upper portion of the pair of fixing frames 42 fixed to the lower fixing end 44 to form the bearing structure 220. An upper fixing end 46 for fixing the upper end 222 of the 220); It is characterized by including.

In the turbine bearing rotating apparatus according to the present invention as described above, the rotating shaft 30 has both ends fixed to one side of the actuator 50 and the fixed frame 42 to rotate while supporting the fixed frame 42. (34) and one end of the support 20 and the other end of the fixed frame 42 is fixed to both ends characterized in that it is composed of a free end 36 for supporting the fixed frame 42.

In the turbine bearing rotating apparatus according to the present invention, the rotating shaft 30 is coupled to one end of the safety disk 32 formed with a plurality of through holes 322 at predetermined intervals along the circumference of the safety disk 32 It is rotated integrally with the support 20, 20 'is formed in the pinhole 24 corresponding to the through hole 322 of the safety disk 32, the stop pin 26 is the pinhole 24 By inserting the through-hole 322 of the safety disk 32, it is characterized in that the rotating shaft 30 rotated by the actuator 50 to maintain the correct position without shaking.

In the turbine bearing rotating apparatus according to the present invention as described above, the actuator 50 includes a drive motor 52 whose operation is controlled by the control box 58; A worm gear 54 coupled with the drive motor 52; The gearbox 56 is connected to the worm gear 54 and the rotation shaft 30 to transmit the rotational force of the drive motor 52 to the rotation shaft 30.

According to the turbine bearing rotating apparatus according to the present invention, when moving or changing the rotational position of a heavy-weight turbine bearing for inspection, maintenance work and reinstallation work, the turbine bearing collides with another object and the turbine bearing is damaged or Safety accidents are prevented from occurring when a worker's body is in contact with the worker, thereby increasing work safety. In addition, it is easy and smooth to rotate the bearing structure such that the inner circumferential surface of the bearing structure constituting the turbine bearing faces upward or downward as required, and thus, the working efficiency of the inspection, maintenance, and reinstallation of the turbine bearing is improved. This increases and the working time is also shortened.

Turbine bearing rotating device 100 according to the invention checks the inner circumferential surface of the turbine bearing 200 in contact with the rotor with respect to the turbine bearing 200 supporting the rotor of the turbine and maintain the turbine bearing 200 After that, the device is used to reinstall. In particular, the turbine bearing rotating apparatus 100 according to the present invention is applied to a heavy-weight turbine bearing 200 formed by a pair of bearing structures 220 and 220 'coupled up and down.

The turbine bearing rotating device 100 is fixed to the disassembled bearing structure 220, 220 'and then the bearing structure 220 such that the inner circumferential surface of the bearing structure 220, 220' is exposed upward or downward as necessary. ), By providing a configuration for rotating the 220 ', it is easy to change the rotation position of the bearing member 220, 220' so that the inspection and maintenance work of the bearing member (220, 220 ') can be made. And made it safe.

Bearing structure 220 (220, 220 ') rotated so that the inner circumferential surface is upward by the turbine bearing rotating device 100 according to the present invention, the inspection and maintenance work is carried out immediately while maintaining such a shape, or separately After moving to the working space of the inspection and maintenance work is carried out, the bearing structure 220, 220 'where the inspection and maintenance work is performed, the inner circumferential surface is lowered again by the turbine bearing rotating device 100 if necessary Rotated to be reinstalled to the turbine.

Turbine bearing rotating apparatus 100 according to the present invention is composed of a support 20, 20 ', a rotating shaft 30, a fixed base 40 and the actuator 50 as shown in FIG.

The supports 20 and 20 'have a predetermined height, and the turbine bearing rotating apparatus 100 according to the present invention is vertically installed with a pair of supports 20 and 20' spaced apart from each other.

The separation distance between the pair of supports 20, 20 ′ is greater than the width of the bearing structures 220, 220 ′ so that the bearing structures 220, 220 ′ are inserted between the supports 20, 20 ′. To be fixed.

The support 20, 20 ′ may be made of a plate having a predetermined thickness of a metal material having a strength sufficient to support the turbine bearing 200, or may be made of a frame in which a plurality of plates are assembled. In addition, the support 20, 20 ′ may be stably installed vertically at both ends of the upper surface of the base 10 having a predetermined size.

The rotary shaft 30 is installed between the pair of supports 20, 20 ′ spaced apart from each other, and is connected to the actuator 50, and is coupled to the holder 40 to rotate integrally with the holder 40.

Fixing member 40 is a bearing member (220, 220 ') is fixed, the bearing member (220, 220' is fixed to the fixing member 40 while being coupled to the rotating shaft 30 and integrally rotated with the rotating shaft 30) ), The inner circumferential surface is exposed upward or downward as necessary.

The rotating shaft 30 and the fixing table 40 as described above are to have a material and size of the strength required to support the bearing member 220, 220 'of heavy weight.

The actuator 50 is connected to the rotary shaft 30 to rotate the rotary shaft 30, and a mechanical actuator using an electric drive motor and a shared pressure actuator using a shared pressure may be used. Such actuator 50 is to rotate the rotating shaft 30 while the operation is controlled.

The rotating device 100 of the turbine bearing according to the present invention configured as described above is fixed to the bearing structure (220) (220 ') to the fixed base 40, by driving the actuator 50 to rotate the rotary shaft 30 The bearing assembly (220) (220 ') fixed to the holder (40) and the holder (40) coupled to the rotating shaft (30) are integrally rotated.

Here, the actuator 50 rotates the bearing members 220 and 220 'such that the inner circumferential surface of the bearing structures 220 and 220' where the inspection and maintenance work or the reinstallation work is performed is sufficiently exposed to the upper side or the lower side. Since the rotation angle of the bearing components 220 and 220 'may vary depending on the working conditions, the actuator 50 is controlled by a control device such as a control box 58 to rotate the rotation shaft 30 at a predetermined angle. To be fixed.

As described above, in the turbine bearing rotating apparatus 100 according to the present invention, the bearing constructions 220 and 220 'are stably fixed to the holder 40 and rotated at a predetermined rotation angle, thereby maintaining maintenance work of the turbine bearing 200. This will be made smoothly and stably.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 3 to 9. On the other hand, in the drawings and detailed description showing and referring to the construction and operation easily understood by those skilled in the art from a general rotary bearing using a turbine bearing and actuator is briefly or omitted. In particular, in the drawings and detailed description of the drawings, detailed descriptions and illustrations of specific technical configurations and operations of elements not directly related to technical features of the present invention are omitted, and only the technical configurations related to the present invention are briefly shown or described. It was.

Figure 3 (a) is a front view of a turbine bearing rotating device according to a preferred embodiment of the present invention, Figure 3 (b) is a plan view of a turbine bearing rotating device according to a preferred embodiment of the present invention, Figure 4 ( a) and (b) are views for showing an actuator configuration of a turbine bearing rotating apparatus according to a preferred embodiment of the present invention, Figure 5 (a) and (b) is a turbine bearing according to a preferred embodiment of the present invention In the rotating device is a view showing that the rotating shaft is positioned at a predetermined angle by the stop pin is inserted into the safety disk, Figure 6 is an exploded perspective view of the stator constituting the turbine bearing rotating device according to a preferred embodiment of the present invention; 7 (a) to 7 (e) are views for showing a process of fixing a bearing structure to a stator constituting a turbine bearing rotating device according to a preferred embodiment of the present invention. (a) to (h) is a view showing a process in which the bearing structure is fixed and rotated by the turbine bearing rotating apparatus according to the present invention, Figure 9 (a) to (d) is a preferred embodiment of the present invention Figure is a view showing a configuration in which the bearing structure is fixed to the turbine bearing rotating apparatus according to the rotating.

Turbine bearing rotary device 100 according to a preferred embodiment of the present invention is to rotate the turbine bearing 200 which is coupled to a pair of bearing structures 220, 220 'separated from each other as shown in FIG. The bearing structures 220 and 220 ′ of the turbine bearing 200 are formed so that the coupling end 226 protrudes from the upper end 222, and the lower end is formed in a shape in which both ends 224a and 224b are separated.

Here, the turbine bearing 200 shown in FIG. 1 shows an embodiment of the turbine bearing 200 rotating by the turbine bearing rotating apparatus 100 according to the present invention, and the shape of the turbine bearing 200 is shown. And size may vary, and thus the configuration, size, and shape of the fixing base 40 for fixing the bearing structures 220 and 220 'of the turbine bearing 200 in the turbine bearing rotating apparatus 100 according to the present invention. Of course this can vary.

Turbine bearing rotating device 100 according to a preferred embodiment of the present invention is shown in Figure 3 (a) and (b), the base 10, the support 20 (20 '20'), the rotating shaft 30, It consists of a fixing table 40, an actuator 50, a moving mechanism 60.

The base 10 and the support 20, 20 ′ form a skeleton of the turbine bearing rotating device 100, and the base 10 and the support 20, 20 ′ are made of a flat plate having a predetermined thickness. The base 10 and the support 20, 20 ′ according to the preferred embodiment of the present invention may be made of a steel structure in which a metal beam and a metal plate are combined. have.

Base 10 is a steel structure of a predetermined size that is installed horizontally on the bottom surface of the space where the maintenance work is made, the upper surface is a horizontal surface to ensure that the support 20, 20 'is installed stably.

The support 20, 20 ′ is a steel frame structure having a predetermined height vertically installed on the upper surface of the base 10, and a pair of supports 20, 20 ′ are spaced apart from each other on both sides of the base 10.

The distance from which the pair of supports 20, 20 'are spaced apart from each other is greater than the width of the bearing structures 220, 220' so that the bearing structures 220, 220 'are between the supports 20, 20'. To be located.

The pair of supports 20, 20 ′ is provided such that the rotation shaft 30 is rotatably installed at a predetermined height, and each end of the pair of supports 20, 20 ′ spaced apart from each other. It is rotatably fixed. To this end, the support 20, 20 ′ is provided with a bearing 22 at a predetermined height so that the rotating shaft 30 is supported by the bearing 22 to rotate.

The rotating shaft 30 is horizontally installed between the pair of supports 20 and 20 ', and is connected to the actuator 50 to rotate and maintain the correct position.

Rotating shaft 30 according to a preferred embodiment of the present invention is installed between the actuator 50 and the fixed support 40, the drive end 34 for rotating while supporting the fixed support 40, one side support 20 and the fixed support ( It is composed of a free end 36 is installed between the 40 to support the fixed base 40.

Here, the free end 36 is rotated by the guide 40 that is rotated by the drive end 34 to perform the function of supporting the guide 40 so that the guide 40 can be rotated stably and smoothly. will be.

As described above, the rotating shaft 30 according to the preferred embodiment of the present invention is separated into the driving end 34 and the free end 36 with the fixing arm 40 interposed therebetween. The purpose is to ensure that the work is fixed and separated from the holder 40 smoothly.

On the other hand, the rotating shaft 30 according to a preferred embodiment of the present invention, the safety disk 32 is fixedly installed at one end as shown in Fig. 5 (a). The safety disk 32 is a disk body that rotates integrally with the rotating shaft 30, the safety disk 32 is formed with a plurality of through-holes 322 along the periphery at a predetermined interval. In addition, a pinhole 24 corresponding to the through hole 322 of the safety disk 32 is formed at a predetermined height in one support 20, and the pinhole 24 of the support 20 is formed. ), The stop pin 26 is inserted and fixed.

The stop pin 26 is inserted into the pinhole 24 of the support 20 to protrude a predetermined length into the inside of the support 20 on which the rotation shaft 30 is installed. The stop pin 26 is a through hole 322 corresponding to the pinhole 24 of the current support 20 of the plurality of through holes 322 formed in the safety disk 32 is fixed to one end of the rotating shaft 30. Is inserted into Accordingly, the rotating shaft 30 rotated by the actuator 50 and positioned at the current rotation angle is maintained more stably without shaking by the stop pin 26.

Fixing table 40 is fixed to the bearing structure 220, 220 'is inserted between the pair of supports 20, 20', is coupled to the rotation shaft 30 is installed. Accordingly, the fixing table 40 rotates the bearing structure 220 and 220 'at a predetermined rotation angle while rotating integrally with the rotation shaft 30.

Fixing table 40 according to a preferred embodiment of the present invention is composed of a fixing frame 42, a lower fixing end 44, and an upper fixing end 46 as shown in FIG.

The fixed frame 42 is vertically installed by forming a box shape in which upper and lower portions are opened. The fixing frame 42 is such that a pair of lower fixing end 44 is fixed to the lower both ends, and the upper fixing end 46 is fixed to the upper center.

The lower fixing end 44 is formed in a flat shape of a predetermined size, and is fixed to the horizontal installation while closing both ends of the lower portion of the fixed frame 42 open.

Accordingly, as shown in FIG. 1, the lower both ends 224a and 224b of the bearing structures 220 and 220 ′ may be fixed to the lower fixing ends 44 and 44 of the fixing table 40.

Here, the lower fixing end 44 according to a preferred embodiment of the present invention is to have a pair of guide bars 442 having a 'b' shaped cross section on the upper surface to be installed vertically, such a pair of guide bars 442 Is spaced apart by the width of the lower end of the bearing structure 220, 220 'is fixed to the lower end of the bearing structure 220, 220' is in close contact with the pair of guide bar 442.

In addition, the lower fixing end 44 is to be attached to the mounting plate 444 of a predetermined size on the upper surface. The seating plate 444 is made of Teflon material and has wear resistance. Accordingly, the bearing structures 220 and 220 'are prevented from contacting each other in the process of being fixed to the lower fixing end 44 to damage the bearing structures 220 and 220' and the lower fixing end 44.

The upper fixing end 46 is horizontally fixed to the upper center in which the fixing frame 42 is opened with a flat plate having a size that can accommodate the upper end portion 222 of the bearing structure 220, 220 '. The upper fixing end 46 is for fixing the upper end 222 of the bearing structure 220.

Here, the upper fixing end 46 according to a preferred embodiment of the present invention is a pair of guide bars 462 vertically installed on the bottom surface of the '' 'shape, such a pair of guide bars 462 is a bearing The pair of guide bars of the coupling end 226 of the upper end 222 of the bearing structure 220, 220 'is spaced apart by the width of the coupling end 226 formed on the upper end 222 of the structure 220 (220'). 462 is tightly locked while being stuck.

In addition, the upper fixing end 46 allows the mounting plate 464 of a predetermined size to be attached to the bottom. The seating plate 464 is made of Teflon material and has wear resistance. Accordingly, the bearing structures 220, 220 'and the upper fixing end 46 are prevented from being in contact with each other while the bearing structures 220, 220' are fixed to the upper fixing end 46.

A configuration in which the bearing structures 220 and 220 'are fixed to the fixing table 40 according to the preferred embodiment of the present invention will be described in detail with reference to FIGS. 7A to 7E.

First, a pair of lower fixing ends 44 are coupled to both lower ends of the fixing frame 42, as shown in FIG. 7B, with respect to the fixing frame 42 having the upper and lower portions opened as shown in FIG. Let's go. Next, as shown in (c) of FIG. 7, the bearing structures 220 and 220 ′ are inserted into the fixing frame 42 to be fixed to the lower fixing end 44 of the fixing frame 42, and FIG. The upper fixing end 46 is fixed to the open upper center of the fixing frame 42 such that the upper end 222 of the bearing structure 220, 220 'is fixed to the upper fixing end 46.

As described above, when the bearing members 220 and 220 'are fixed between the lower fixing end 44 and the upper fixing end 46, the bearing assembly 220 is rotated as shown in FIG. The inner circumferential surface of the 220 'is exposed upward.

Of course, when the bearing structures 220, 220 'are installed in the turbine, the inner circumferential surfaces of the bearing structures 220, 220' are rotated to be exposed downward.

As such, the bearing structures 220 and 220 'are fixed up and down by the upper fixing end 46 and the lower fixing end 44 of the fixing table 40, so that the bearing structures 220 and 220 are supported stably and firmly. ') Is rotated or rotated by a fixed rotation angle, and then fixed to maintain a stable position without shaking.

Actuator 50 is a drive device for rotating the rotary shaft 30 at a predetermined angle, the actuator 50 according to a preferred embodiment of the present invention is installed on one side support 20 is connected to the rotary shaft 30 .

Actuator 50 according to a preferred embodiment of the present invention is composed of a drive motor 52, a worm gear 54, and a gear box 56 as shown in (a), (b) of FIG.

The drive motor 52 is rotated while the operation is controlled by the control box 58 to rotate the rotating shaft 30 at a predetermined angle.

The worm gear 54 includes a worm shaft 542 constituting the drive shaft of the drive motor 52 and a worm wheel 544 connected to the worm shaft 542 and the gear box 56 at the same time. The worm gear 54 is for transmitting the rotational force of the drive motor 52 to the gearbox 56, the rotational speed transmitted from the drive motor 52 by the characteristics of the worm gear 54 is reduced, the rotational force ( Torque) is increased and transmitted to the gearbox 56. The reason why the worm gear 54 is used as described above is to allow the heavy bearing structure 220 and 220 'to be rotated smoothly.

The gear box 56 is connected to the worm gear 54 and the rotation shaft 30 at the same time to transmit the rotational force of the drive motor 52 to the rotation shaft 30 so that the rotation shaft 30 is integral with the bearing structure 220 (220 '). Rotate to.

Gear box 56 according to a preferred embodiment of the present invention is made of a combination of a pair of spur gears 562 of different sizes, the small spur gear 562 is a worm wheel shaft 546 is formed with a worm wheel 544 And a large spur gear 562 is formed on the rotating shaft 30 to reduce the rotational speed transmitted from the worm gear 54, increase the size of the rotational force (torque) to transmit to the rotating shaft (30) do.

The moving mechanism 60 is for moving the lower fixing end 44 and the upper fixing end 46 constituting the fixing table 40. The moving mechanism 60 according to the preferred embodiment of the present invention is jib crane (jib) crane 62). The jib crane 62 is fixed to the lower fixing end 44 or the upper fixing end 46, and then fixed to the lower fixing end 42 to form a fixing table 40 of the turbine bearing rotating device 100 The lower fixed end 44 or the upper fixed end 46 is fixed to the fixed frame 42 by moving the 44 or the upper fixed end 46.

8 (a) to (h) shows a process of using a turbine bearing rotating device 100 according to a preferred embodiment of the present invention to rotate the bearing structure 220, 220 ', Figure 8 As shown in (b) and (f), the lower fixing end 44 and the upper fixing end are lowered from the upper side of the fixing frame 42 by the jib crane 62 to be fixed to the fixing frame 42, and installed in the actuator. When the inner circumferential surface of the bearing structures 220 and 220 'is rotated to be exposed upward by 50, the lower fixing end 44 is removed from the fixing frame 42 as shown in FIG. As shown in (i) of FIG. 8, the bearing structures 220 and 220 ′ are moved back to separate working spaces so that the inspection and maintenance work on the bearing structures 220 and 220 ′ is performed.

Of course, the inspection and maintenance work for the bearing structure (220, 220 ') in the state as shown in (g) or (i) of Figure 8 may be performed.

Here, as the bearing structures 220 and 220 'are heavy, the movement of the bearing structures 220 and 220' is made by a hoist or a crane as shown in FIGS. 9A and 9D. .

As described above, the turbine bearing rotating apparatus according to a preferred embodiment of the present invention is shown in accordance with the above description and drawings, but this is merely an example and various changes within the scope without departing from the technical spirit of the present invention. And those skilled in the art will appreciate that changes are possible.

1 is a view for showing a turbine bearing in which the bearing structure 220, 220 'is coupled;

2 is a view for showing the technical idea of the turbine bearing rotating apparatus according to the present invention;

Figure 3 (a) is a front view of the turbine bearing rotating apparatus according to a preferred embodiment of the present invention;

Figure 3 (b) is a plan view of a turbine bearing rotating apparatus according to a preferred embodiment of the present invention;

4 (a) and (b) are views for showing the actuator configuration of the turbine bearing rotating apparatus according to the preferred embodiment of the present invention;

Figures 5 (a) and (b) is a view for showing that the rotating shaft in the turbine bearing rotating apparatus according to a preferred embodiment of the present invention is positioned at an angle determined by the stop pin is inserted into the safety disk;

6 is an exploded perspective view of the stator constituting the turbine bearing rotating apparatus according to the preferred embodiment of the present invention;

Figure 7 (a) to (e) is a view for showing a process in which the bearing structure is fixed to the stator constituting the turbine bearing rotating apparatus according to a preferred embodiment of the present invention;

8 (a) to (h) is a view for showing a process in which the bearing structure is fixed and rotated by the turbine bearing rotating apparatus according to the present invention;

9 (a) to (d) is a view for showing a configuration in which the bearing structure is fixed to the turbine bearing rotating apparatus according to a preferred embodiment of the present invention to rotate.

* Description of the symbols for the main parts of the drawings *

10: base 20, 20 ': support

22: bearing 24: pinhole

26: stop pin 30: rotation axis

32: safety disk 322: through

34: drive end 36: free end

40: holder 42: fixed frame

44: lower fixing stage 442, 462: guide bar

444, 464: seating plate 46: upper fixing end

50: actuator 52: drive motor

54: worm gear 542: worm shaft

544: Worm wheel 546: Worm wheel shaft

56: gearbox 562, 562 ': spur gear

58: control box 60: moving mechanism

62: jib crane 100: turbine bearing rotating device

200: turbine bearing 220, 220 ': bearing structure

222: upper end 224a, 224b: lower both ends

226: coupling 230: eye bolt

Claims (5)

In the turbine bearing rotating apparatus for maintaining the turbine bearing 200 is formed by a pair of bearing structure 220, 220 'is coupled up and down, A pair of supports 20 and 20 'spaced apart from each other and vertically installed; A rotating shaft 30 installed between the pair of supports 20 and 20 '; A bearing 40 to which the bearing structures 220 and 220 'are fixed and coupled to the rotating shaft 30 to rotate; An actuator (50) connected to the rotary shaft (30) to rotate the rotary shaft (30); including, The bearing members 220 and 220 'are fixed to the holder 40 and the actuator 50 is driven to rotate the bearing members 220 and 220' to rotate the bearing members 220 and 220 '. Turbine bearing rotary device, characterized in that for changing the rotational position of the bearing structure (220, 220 ') so that the inspection and maintenance work and reinstallation work can be made. The method of claim 1, The fixing table 40 is formed in a box shape of the upper and lower portions, the fixing frame 42 is coupled to the rotating shaft 30 to rotate; It is coupled to the lower portion of the fixed frame 42, is installed horizontally spaced apart from the lower portion of the fixed frame 42 is fixed to both ends (224a, 224b) of the lower end of the bearing structure (220, 220 ') A lower fixing end 44 to be provided; Lower both ends 224a and 224b of the bearing structures 220 and 220 'are coupled to an upper portion of the pair of fixing frames 42 fixed to the lower fixing end 44 to form the bearing structure 220. An upper fixing end 46 for fixing the upper end 222 of the 220); Turbine bearing rotating apparatus comprising a. The method of claim 2, The rotary shaft 30 has both ends fixed to one side of the actuator 50 and the fixed frame 42 to rotate while supporting the fixed frame 42, one side support 20 and Both ends are fixed to the other side of the fixed frame 42, characterized in that the turbine bearing rotating device comprising a free end (36) for supporting the fixed frame (42). The method according to claim 1 or 2, The rotating shaft 30 is coupled to one end of the safety disk 32 is formed with a plurality of through-holes 322 at a predetermined interval along the circumference to rotate integrally with the safety disk 32, The support 20, 20 ′ is formed with a pinhole 24 corresponding to the through hole 322 of the safety disk 32 so that the stop pin 26 may pass through the pinhole 24 to the safety disk 32. Turbine bearing rotating device to be inserted into the through-hole (322) of the rotating shaft (30) rotated by the actuator (50) to maintain the home position without shaking. The method according to claim 1 or 2, The actuator 50 includes a drive motor 52 whose operation is controlled by the control box 58; A worm gear 54 coupled with the drive motor 52; Turbine bearing rotary device characterized in that the gear box 56 is connected to the worm gear (54) and the rotary shaft (30), respectively, to transmit the rotational force of the drive motor (52) to the rotary shaft (30).

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