CN219705059U - Horizontal dismounting platform for power turbine bearing assembly - Google Patents

Abstract

The utility model relates to a horizontal dismounting platform of a power turbine bearing assembly, which comprises a base, a rotor assembly support, a shaft support, a first moving frame, a bearing shell assembly support, a second moving frame and a bearing support, wherein the base horizontally extends along the left-right direction, the rotor assembly support is arranged at the left end of the base and is used for supporting the rotor assembly of the power turbine bearing assembly, the first moving frame can be assembled at the upper end of the base in a horizontal moving way, the bearing shell assembly support is arranged at the upper end of the first moving frame, the second moving frame can be assembled at the left end of the base in a back-and-forth moving way, the bearing support is arranged at the upper end of the second moving frame and is used for supporting a tilting pad bearing of the power turbine bearing assembly, an inter-shaft supporting point and an axle supporting point corresponding to a rotor axle supporting point are respectively arranged in the middle area of the left end and the right end of the upper end of the base, and the axle support is alternatively arranged at the inter-axle supporting point and the axle supporting point. The advantages are that: the disassembly, assembly and disassembly of the power turbine bearing assembly can be conveniently, quickly and efficiently completed.

Description

Horizontal dismounting platform for power turbine bearing assembly

Technical Field

The utility model relates to the technical field of power turbine bearing assembly disassembly and assembly, in particular to a horizontal disassembly and assembly platform for a power turbine bearing assembly.

Background

The dynamic turbine bearing assembly consists of a bearing shell weighing hundreds of kilograms, a set of pad bearings, a set of compound bearings, two sets of bearing supporting cavities and other accessories. The vibration measuring area of the bearing housing and the rotor shaft is only about a few millimeters, while the accuracy of the vibration measuring area of the rotor shaft is particularly high, which requires special care when disengaging the bearing housing from the rotor shaft. At present, the conventional technology does not relate to a disassembly and assembly process and a fixture of the assembly, and when the bearing shell assembly is disassembled and assembled vertically, the bearing assembly does not have a proper lifting point and cannot be lifted vertically. In addition, the risk of damaging components such as a rotor shaft, a bearing, and a bearing seal due to shaking when the bearing housing is lifted is particularly high.

Therefore, it is necessary to develop a tool for horizontal disassembly and assembly of the power turbine bearing assembly.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a horizontal dismounting platform for a power turbine bearing assembly, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a horizontal dismouting platform of power turbine bearing assembly, including the base, rotor subassembly support, the axle support, first movable frame, bearing housing subassembly support, second movable frame and bearing support, above-mentioned base is along horizontal extension about the direction, above-mentioned rotor subassembly support is installed in the left end of above-mentioned base, a rotor subassembly for supporting the power turbine bearing assembly, the assembly that above-mentioned first movable frame can control horizontal migration is in the above-mentioned base upper end, the bearing housing subassembly support is installed in the upper end of above-mentioned first movable frame, a bearing housing subassembly for supporting the power turbine bearing assembly, the left end of the assembly that above-mentioned second movable frame can reciprocate is installed in the upper end of above-mentioned second movable frame, be used for supporting the tilting pad bearing of power turbine bearing assembly, the left end and the right-hand end intermediate region of above-mentioned base upper end are equipped with the interaxial supporting point position and the axle head supporting point position that correspond the rotor axle respectively, the alternative installation of above-mentioned axle support point position is at the interaxial supporting point position and axle head supporting point.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a first rail is provided on the front and rear sides of the upper end of the base in the left-right direction, and the lower end of the first moving frame is slidably or rollably mounted on the first rail.

Further, a second rail is detachably mounted on the left end of the upper end of the base corresponding to the tilting pad bearing along the front-rear direction, and the lower end of the second moving frame is slidably or rollably mounted on the second rail.

Further, the rotor assembly support comprises two support columns and two rotor assembly support seats, the two support columns are respectively vertically arranged, the two support columns are arranged at the left end of the base at intervals, and the two rotor assembly support seats are respectively arranged at the upper ends of the two support columns in a one-to-one correspondence mode.

Further, the bearing shell assembly support comprises three first lifting columns, two bearing shell side supporting seats and a bearing shell bottom supporting seat, wherein the three first lifting columns are vertically installed at the upper end of the first movable frame respectively, two of the first lifting columns are distributed at the upper end of the first movable frame at intervals, the other first lifting column is arranged at the right end of an area between the two first lifting columns, the two bearing shell side supporting seats are installed at the upper ends of the two first lifting columns respectively in a one-to-one correspondence mode, and the bearing shell bottom supporting seat is installed at the upper end of the other first lifting column.

Further, a displacement adjusting device is connected to the lower end of each first lifting column, and is mounted at the upper end of the first moving frame through the displacement adjusting device, and the displacement adjusting device is used for adjusting the displacement of the corresponding first lifting column moving back and forth.

Further, the displacement adjusting device comprises a sliding seat, a sliding block, a first screw rod and a first nut seat, wherein the sliding seat is arranged at the upper end of the first moving frame, the sliding block can be assembled at the upper end of the sliding seat in a back-and-forth sliding manner, a hollow area which is vertically penetrated is arranged in the middle of the sliding seat, the first screw rod penetrates through the sliding seat front and back and is rotationally connected with the sliding seat, the first nut seat is sleeved outside the first screw rod in a threaded manner and is fixedly connected with the lower end of the sliding block, the first lifting column is arranged at the upper end of the sliding seat, and one end of the first screw rod is connected with a hand wheel.

Further, the first lifting column comprises a first supporting sleeve, a height-adjusting screw rod and a height-adjusting nut, the height-adjusting nut is rotatably arranged at the upper end of the first supporting sleeve, the height-adjusting screw rod vertically penetrates through the height-adjusting nut and is in threaded connection with the height-adjusting nut, the lower end of the height-adjusting screw rod stretches into the first supporting sleeve, a guide pin is vertically arranged at the side end of the lower end of the height-adjusting screw rod, a guide groove which extends vertically is formed in the side wall of the first supporting sleeve, and the guide pin penetrates through the guide groove.

Further, the shaft support comprises a shaft support seat and a second lifting column, the second lifting column is vertically arranged, and the shaft support seat is arranged at the upper end of the second lifting column; the bearing support comprises a bearing support seat and a third lifting column, wherein the third lifting column is vertically arranged, and the bearing support seat is arranged at the upper end of the third lifting column.

The beneficial effects of the utility model are as follows: the power turbine bearing assembly is reasonable in structural design, and can be conveniently, quickly and efficiently assembled, disassembled and disassembled.

Drawings

FIG. 1 is a schematic view of a power turbine bearing assembly horizontal dismounting platform in a service state structure of the utility model;

FIG. 2 is a schematic view of another use configuration of the horizontal dismounting platform of the power turbine bearing assembly of the utility model;

FIG. 3 is a schematic view of a further use configuration of the horizontal dismounting platform for a power turbine bearing assembly of the present utility model;

FIG. 4 is a top plan view of the power turbine bearing assembly horizontal dismounting platform of the utility model with the shaft support removed.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a rotor assembly support; 3. a shaft support; 4. a first moving frame; 5. a bearing housing assembly support; 6. a second moving frame; 7. a bearing support; 11. a first track; 12. a second track; 21. a support column; 22. a rotor assembly support; 31. a shaft support base; 32. a second lifting column; 51. a first lifting column; 53. a bearing shell side supporting seat; 54. a bearing shell bottom support seat; 55. a displacement adjusting device; 71. a bearing support; 72. a third lifting column; 511. a first support sleeve; 512. height-adjusting screw rods; 513. a heightening nut; 551. a slide; 552. a slide block; 553. a first screw rod; 554. a first nut seat; 5121. and a guide pin.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples: as shown in fig. 1, 2, 3 and 4, the horizontal dismounting platform for a power turbine bearing assembly of this embodiment includes a base 1, a rotor assembly support 2, a shaft support 3, a first moving frame 4, a bearing housing assembly support 5, a second moving frame 6 and a bearing support 7, wherein the base 1 extends horizontally in the left-right direction, the rotor assembly support 2 is mounted at the left end of the base 1 and is used for supporting the rotor assembly of the power turbine bearing assembly, the first moving frame 4 is mounted at the upper end of the base 1 in a horizontally movable manner, the bearing housing assembly support 5 is mounted at the upper end of the first moving frame 4 and is used for supporting the bearing housing assembly of the power turbine bearing assembly, the second moving frame 6 is mounted at the left end of the base 1 in a movable manner, the bearing support 7 is mounted at the upper end of the second moving frame 6 and is used for supporting the tilting pad bearing of the power turbine bearing assembly, the intermediate areas at the left end and the right end of the upper end of the base 1 are respectively provided with an inter-axle support point (in a shaft end b and shaft end b refer to an axle end support point a) corresponding to the shaft support point a in the figure and an axle support point a refer to an alternative support point a between the shaft support point a and the shaft support point a is mounted at the shaft support point a).

The splitting process is as follows:

1) As shown in fig. 1, the shaft support 3 is firstly arranged at the shaft end supporting point of the upper end of the base 1 (positioned at the right end of the base 1), the whole power turbine bearing assembly is hoisted and placed on the platform, so that the two sides of a large disc of a rotor assembly of the power turbine bearing assembly are supported on the rotor assembly support 2, and the shaft head of the whole power turbine bearing assembly is supported on the shaft support 3, and in this state, the platform provides three-point support for the power turbine bearing assembly;

2) Next, adjusting the first moving frame 4 to move below the bearing shell assembly, then adjusting the bearing shell assembly support 5 to provide good support for the bearing shell assembly from bottom to top, disassembling the shell of the bearing shell assembly, releasing the composite bearing relative to the rotor shaft, and then operating the first moving frame 4 to move rightward to enable the bearing shell assembly to move rightward relative to the rotor shaft by a certain distance, enabling the middle section (a part corresponding to an inter-shaft support point) of the rotor shaft to be exposed, and enabling the tilting pad bearing of the power turbine bearing assembly to be exposed;

3) As shown in fig. 2, after that, the shaft support 3 is removed and mounted to the inter-shaft support point, and the shaft support 3 is adjusted to provide support for the middle exposed portion of the rotor shaft (at this time, the shaft support 3 is located at the left end of the first moving frame 4), and then the first moving frame 4 is operated to move rightward so that the bearing housing assembly is completely separated from the rotor shaft;

4) As shown in fig. 3, the second moving frame 6 is operated to translate from either front or rear side of the base 1 to below the tilting-pad bearings, and the bearing supports 7 are adjusted to provide good support for the tilting-pad bearings, after which the shaft supports 3 are removed and mounted on shaft end support points, and adjusted to provide good support for the shaft ends of the rotor shaft;

5) Removing the upper half part of the tilting pad bearing, then adjusting the bearing support 7 to descend, and then operating the second moving frame 6 to move the lower half part of the tilting pad bearing to any front and rear sides of the base 1, namely removing the lower half part of the tilting pad bearing; so far, the whole power turbine bearing assembly is disassembled.

What needs to be stated is: during assembly, the reverse operation is carried out according to the upper step 5) -step 1).

In a preferred embodiment, the base 1 is provided with a first rail 11 on the front and rear sides of the upper end thereof in the left-right direction, and the first movable frame 4 is slidably or rollably mounted on the first rail 11 at the lower end thereof.

In the above embodiment, the first rail 11 is slidably or rollably engaged with the first moving frame 4, so that the first moving frame 4 can move flexibly and smoothly. Specifically, the lower end of the first moving frame 4 may be provided with a roller, which is rollably supported on the first rail 11.

Generally, the two first rails 11 are disposed at intervals along the front and rear sides of the upper end of the base 1, and two sets of rollers are disposed at intervals along the front and rear sides of the lower end of the first moving frame 4, each set of rollers includes a plurality of left and right rollers, and the two sets of rollers are respectively supported on the two first rails 11 in a rolling manner.

As a preferred embodiment, a second rail 12 is detachably installed at a left end of the upper end of the base 1 corresponding to a tilting pad bearing in a front-rear direction, and a lower end of the second moving frame 6 is slidably or rollably mounted on the second rail 12.

In the above embodiment, the second rail 12 is slidably or rollably engaged with the second moving frame 6, so that the second moving frame 6 can move flexibly and smoothly. Specifically, the lower end of the second moving frame 6 may be provided with a roller, which is rollably supported on the second rail 12.

Generally, the two second rails 12 are arranged at intervals along the left-right direction of the upper end of the base 1, two sets of rollers are arranged at intervals in front-back direction of the lower end of the second moving frame 6, each set of rollers comprises a plurality of rollers arranged in front-back direction, and the two sets of rollers are respectively supported on the two second rails 12 in a rolling manner

As an leisure embodiment, the rotor assembly support 2 includes two support columns 21 and two rotor assembly support seats 22, the two support columns 21 are respectively vertically arranged and are respectively arranged at the left end of the base 1 at intervals, and the two rotor assembly support seats 22 are respectively arranged at the upper ends of the two support columns 21 in a one-to-one correspondence manner.

In the above embodiment, by providing one support column 21 on each of the front and rear sides of the left end of the base 1, good support is provided to both sides of the large disk of the rotor assembly by the rotor assembly support base 22 on the upper end of the support column 21. Generally, the rotor assembly support base 22 is shaped to fit the shape of the large disc of the rotor assembly, so long as it is capable of providing upward support force to the large disc.

As a preferred embodiment, the bearing housing assembly support 5 includes three first lifting columns 51, two bearing housing side support seats 53 and a bearing housing bottom support seat 54, wherein the three first lifting columns 51 are vertically installed at the upper end of the first moving frame 4, two of the first lifting columns 51 are spaced apart from each other in front and rear directions and are disposed at the upper end of the first moving frame 4, the other first lifting column 51 is disposed at the right end of the region between the two first lifting columns 51, the two bearing housing side support seats 53 are installed at the upper ends of the two first lifting columns 51 in a one-to-one correspondence manner, and the bearing housing bottom support seat 54 is installed at the upper end of the other first lifting column 51.

In the above embodiment, the two first lifting columns 51 can adjust the heights of the two bearing shell side supporting seats 53, so that the lower parts of the front side and the rear side of the bearing shell provide good support for the lower parts of the two sides of the bearing shell, and then the bearing shell assembly can obtain relatively stable upward supporting force by matching with the height adjustment of the other first lifting columns 51 to the bearing shell bottom supporting seat 54. Generally, the upper end surfaces of the bearing shell side supporting seats 53 are designed to be arc surfaces, the arc surfaces of the upper ends of the two bearing shell side supporting seats 53 are distributed in an eight shape and respectively attached to the arc surfaces of the lower parts of the two sides of the bearing shell, and the upper end surfaces of the bearing shell bottom supporting seats 54 are plane and are matched with the straight surfaces of the lower ends of the bearing shell and attached to each other.

As a preferred embodiment, a displacement adjusting device 55 is connected to a lower end of each of the first elevating columns 51, and is mounted on an upper end of the first moving frame 4 through the displacement adjusting device 55, and the displacement adjusting device 55 is used for adjusting a displacement of the corresponding first elevating column 51 moving back and forth.

In the above embodiment, the displacement adjusting device 55 can adjust the forward and backward movement of the first lifting column 51 and the bearing shell side supporting seat 53 or the bearing shell bottom supporting seat 54 at the upper end thereof, so as to adjust the attachment of the bearing shell side supporting seat 53 and the bearing shell bottom supporting seat 54 to the corresponding parts of the bearing shell, thereby providing stable support for the bearing shell.

As a preferred embodiment, the displacement adjusting device 55 includes a slide 551, a slider 552, a first screw rod 553, and a first nut seat 554, wherein the slide 551 is mounted on the upper end of the first movable frame 4, the slider 552 is slidably mounted on the upper end of the slide 551, a hollow area penetrating up and down is provided in the middle of the slide 551, the first screw rod 553 penetrates the slide 551 in the front and rear directions and is rotatably connected with the slide 551, the first nut seat 554 is threadedly mounted on the outside of the first screw rod 553 and is fixedly connected with the lower end of the slider 552, the first lifting column 51 is mounted on the upper end of the slide 551, and one end of the first screw rod 553 is connected with a hand wheel.

In the above embodiment, the first screw rod 553 can be driven to rotate by screwing the hand wheel, and in the forward and backward rotation process of the first screw rod 553, the first nut seat 554 can drive the sliding block 552 to move relative to the length direction of the first screw rod 553 (i.e. to move in the front-back direction), so that the sliding seat 551 drives the first lifting column 51 to move forward and backward to adjust the position, the whole design is ingenious, the operation is convenient, and the forward and backward movement can be realized by screwing the hand wheel.

As a preferred embodiment, the first elevating column 51 includes a first supporting sleeve 511, a height-adjusting screw 512, and a height-adjusting nut 513, the height-adjusting nut 513 is rotatably installed at an upper end of the first supporting sleeve 511, the height-adjusting screw 512 vertically penetrates the height-adjusting nut 513 and is connected with each other by screw threads, a guide pin 5121 is vertically installed at a side end of the lower end of the height-adjusting screw 512, a vertically extending guide groove is formed in a sidewall of the first supporting sleeve 511, and the guide pin 5121 penetrates the guide groove.

In the above embodiment, since the side end of the height-adjusting screw rod 512 is provided with the guide pin 5121 penetrating the guide groove, the height-adjusting screw rod 512 does not rotate, and since the height-adjusting nut 513 is rotatably mounted (the lower end of which is rotatably mounted by the bearing) on the upper end of the first support sleeve 511, it does not move up and down, so that when the height-adjusting nut 513 is rotated (forwardly and reversely rotated), the height-adjusting screw rod 512 moves up and down relative to the height-adjusting nut 513, thereby adjusting the height of the bearing housing side support seat 53 or the bearing housing bottom support seat 54 on the upper end thereof.

As a preferred embodiment, the shaft support 3 includes a shaft support seat 31 and a second elevating column 32, the second elevating column 32 is vertically disposed, and the shaft support seat 31 is mounted on an upper end of the second elevating column 32; the bearing support 7 includes a bearing support seat 71 and a third lifting column 72, the third lifting column 72 is vertically arranged, and the bearing support seat 71 is mounted on the upper end of the third lifting column 72.

In the above embodiment, the upper end surface of the shaft supporting seat 31 is configured as a concave arc surface, which is adapted to the shape of the shaft, and the height of the shaft supporting seat 31 is adjusted by the second lifting column 32, so that the shaft supporting seat can be well attached to the middle section of the rotor shaft or the lower part of the shaft end and provide support. In the present embodiment, the second lifting column 32 adopts the same structural design as the first lifting column 51. In addition, the upper end surface of the bearing support seat 71 is provided with a concave arc surface, the shape of the arc surface is matched with the lower part of the bearing, and the height of the bearing support seat 71 can be realized by adjusting the height of the third lifting column 72, so that the bearing support seat can provide good support for the tilting pad bearing from bottom to top. In the present embodiment, the third lifting column 72 is of the same structural design as the first lifting column 51.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. A horizontal dismouting platform of power turbine bearing assembly, its characterized in that: including base (1), rotor subassembly support (2), axle support (3), first movable frame (4), bearing shell subassembly support (5), second movable frame (6) and bearing support (7), base (1) along controlling the direction level extension, rotor subassembly support (2) install in base (1) left end for support the rotor subassembly of power turbine bearing subassembly, first movable frame (4) can control the assembly of horizontal migration base (1) upper end, bearing shell subassembly support (5) install the upper end of first movable frame (4) is used for supporting the bearing shell subassembly of power turbine bearing subassembly, second movable frame (6) can fore-and-aft movement's assembly the left end of base (1), bearing support (7) install in second movable frame (6) upper end for support the tilting-pad bearing of power turbine bearing subassembly, the left end and the right-hand end intermediate region of base (1) upper end are equipped with respectively and correspond the bearing axle between the axle and axle head support point location and axle support point location (3) are in axle support point position between axle head support point location and axle support point location (3).

2. The horizontal power turbine bearing assembly disassembly platform of claim 1, wherein: the front side and the rear side of the upper end of the base (1) are provided with first rails (11) along the left-right direction, and the lower end of the first movable frame (4) is assembled on the first rails (11) in a sliding or rolling mode.

3. The horizontal power turbine bearing assembly disassembly platform of claim 1, wherein: the left end of the upper end of the base (1) is detachably provided with a second track (12) along the front-back direction corresponding to the part of the tilting pad bearing, and the lower end of the second movable frame (6) is assembled on the second track (12) in a sliding or rolling way.

4. The horizontal power turbine bearing assembly disassembly platform of claim 1, wherein: the rotor assembly support (2) comprises two support columns (21) and two rotor assembly support seats (22), wherein the two support columns (21) are respectively vertically arranged, are arranged at the left end of the base (1) at intervals, and the two rotor assembly support seats (22) are respectively arranged at the upper ends of the two support columns (21) in a one-to-one correspondence mode.

5. The horizontal power turbine bearing assembly disassembly platform of claim 1, wherein: the bearing shell assembly support (5) comprises three first lifting columns (51), two bearing shell side supporting seats (53) and a bearing shell bottom supporting seat (54), wherein the three first lifting columns (51) are respectively vertically installed at the upper ends of the first movable frames (4), two of the first lifting columns (51) are distributed at the upper ends of the first movable frames (4) at intervals from front to back, the other first lifting column (51) is arranged at the right end of an area between the two first lifting columns (51), the two bearing shell side supporting seats (53) are respectively installed at the upper ends of the two first lifting columns (51) in a one-to-one correspondence mode, and the bearing shell bottom supporting seat (54) is installed at the upper ends of the other first lifting columns (51).

6. The horizontal power turbine bearing assembly disassembly platform as set forth in claim 5 wherein: the lower end of each first lifting column (51) is connected with a displacement adjusting device (55), the displacement adjusting devices (55) are arranged at the upper end of the first movable frame (4), and the displacement adjusting devices (55) are used for adjusting the displacement of the corresponding first lifting columns (51) moving forwards and backwards.

7. The horizontal power turbine bearing assembly disassembly platform as set forth in claim 6 wherein: the displacement adjusting device (55) comprises a sliding seat (551), a sliding block (552), a first screw rod (553) and a first nut seat (554), wherein the sliding seat (551) is arranged at the upper end of the first movable frame (4), the sliding block (552) can be assembled at the upper end of the sliding seat (551) in a front-back sliding manner, a hollow area which is vertically penetrated is arranged in the middle of the sliding seat (551), the first screw rod (553) penetrates through the sliding seat (551) in a front-back manner and is in rotary connection with the sliding seat (551), the first nut seat (554) is sleeved outside the first screw rod (553) in a threaded manner and is fixedly connected with the lower end of the sliding block (552), the first lifting column (51) is arranged at the upper end of the sliding seat (551), and one end of the first screw rod (553) is connected with a hand wheel.

8. The horizontal power turbine bearing assembly disassembly platform as set forth in claim 5 wherein: the first lifting column (51) comprises a first supporting sleeve (511), a height-adjusting screw rod (512) and a height-adjusting nut (513), the height-adjusting nut (513) is rotatably mounted at the upper end of the first supporting sleeve (511), the height-adjusting screw rod (512) vertically penetrates through the height-adjusting nut (513) and is connected with each other in a threaded mode, the lower end of the height-adjusting screw rod (512) stretches into the first supporting sleeve (511), a guide pin (5121) is vertically mounted at the side end of the lower end of the height-adjusting screw rod, a guide groove extending vertically is formed in the side wall of the first supporting sleeve (511), and the guide pin (5121) penetrates through the guide groove.

9. The horizontal power turbine bearing assembly disassembly platform as set forth in claim 8 wherein: the shaft support (3) comprises a shaft support seat (31) and a second lifting column (32), the second lifting column (32) is vertically arranged, and the shaft support seat (31) is arranged at the upper end of the second lifting column (32); the bearing support (7) comprises a bearing support seat (71) and a third lifting column (72), the third lifting column (72) is vertically arranged, and the bearing support seat (71) is installed at the upper end of the third lifting column (72).