Hoisting system for main equipment of gas power station

Abstract

The utility model discloses a gas power station main equipment hoisting system. The gas power station main equipment hoisting system comprises a transfer platform, a transfer device and a driving device; a hoisting space and a placing space are defined on the transfer platform; the transfer device is movably arranged at the top end of the transfer platform and defines a transfer space; the driving device comprises at least one transfer driving mechanism and at least one hoisting driving mechanism; the at least one transfer driving mechanism is arranged on the transfer platform, the transfer device is movably arranged on the transfer platform through the at least one transfer driving mechanism, and the at least one hoisting driving mechanism is arranged on the transfer device. The transfer device is provided with a lifting position and a placing position on the transfer platform. According to the method, the influence on civil construction of the gas power plant building pursuing compact arrangement can be reduced.

Description

Technical Field

[0001] This application relates to the field of auxiliary equipment technology for gas-fired power plants, and in particular to a hoisting system for main equipment of a gas-fired power plant. Background Technology

[0002] The main equipment of a gas-fired power plant includes steam turbines, gas turbines, gas turbine generators, and steam turbine generators. The assembled weight of the gas turbine and gas generator is approximately 300 tons, the assembled weight of the steam turbine generator is close to 300 tons, and the assembled weight of the steam turbine is close to 200 tons. For the hoisting of such large equipment, large crawler cranes are generally used. The equipment is "threaded" through pre-drilled openings in the plant walls, and another crane is used to lift it through pre-drilled holes in the roof.

[0003] This type of hoisting requires extensive pre-reserved or temporary openings in the power plant's civil engineering structures, significantly impacting construction. Furthermore, the large space required for the hoisting and slewing of large crawler cranes makes the hoisting process of main equipment quite cumbersome in gas-fired power plant projects that prioritize compact layouts, posing a significant risk of damage to the main equipment during the hoisting of large components. Utility Model Content

[0004] The technical problem to be solved by this application is to provide a hoisting system for main equipment of a gas power plant.

[0005] The technical solution adopted by this application to solve its technical problem is:

[0006] Construct a hoisting system for main equipment in a gas-fired power plant, comprising:

[0007] The transfer platform is defined by both lifting and placement space.

[0008] The transfer device is movably mounted on top of the transfer platform and defines a transfer space;

[0009] A drive device includes at least one transfer drive mechanism and at least one hoisting drive mechanism; the at least one transfer drive mechanism is disposed on the transfer platform, the transfer device is movably disposed on the transfer platform via the at least one transfer drive mechanism, and the at least one hoisting drive mechanism is disposed on the transfer device;

[0010] The transfer device has a lifting position and a placement position on the transfer platform;

[0011] When the transfer device is located at the lifting position, the transfer space is connected to the lifting space, and the at least one hoisting drive mechanism is used to hoist the main equipment back and forth between the lifting space and the transfer space.

[0012] When the transfer device is located at the placing position, the transfer space is in butt joint communication with the placing space, and the at least one hoisting driving mechanism is used for hoisting the main equipment back and forth between the placing space and the transfer space.

[0013] In some embodiments, the transfer platform comprises a base frame and at least one guide rail, the base frame is longitudinally arranged, one end of which extends into the factory building and defines the placing space accommodating the main equipment installation position, and the other end of which defines the hoisting space; the at least one guide rail is arranged at the top end of the base frame and extends along the length direction of the base frame; and the transfer device is movably arranged on the guide rail.

[0014] In some embodiments, the end of the base frame away from the placing space is further provided with an entrance and exit, which is in communication with the hoisting space; and the gas power station main equipment hoisting system further comprises a transport vehicle for transferring the main equipment from the entrance and exit into the hoisting space.

[0015] In some embodiments, the transfer device comprises a transfer frame and a plurality of moving structures, the plurality of moving structures are arranged at the bottom end of the transfer frame and are movably arranged along the at least one guide rail respectively; the transfer frame defines the transfer space; and the at least one hoisting driving mechanism is arranged at the top end of the transfer frame and the output end thereof is telescopically extended into the transfer space.

[0016] In some embodiments, the moving structure is a tank.

[0017] In some embodiments, climbing ladders are arranged on the base frame and the transfer frame respectively, and guardrails are arranged at the top ends thereof in the circumferential direction respectively.

[0018] In some embodiments, the transfer driving mechanism is arranged at one end of the transfer platform close to the placing space, and the output end thereof is telescopically connected with the transfer device.

[0019] In some embodiments, the at least one transfer driving mechanism and / or the at least one hoisting driving mechanism is a tension jack.

[0020] In some embodiments, the at least one transfer driving mechanism and the at least one hoisting driving mechanism are hydraulic driving mechanisms, and the driving device further comprises a hydraulic mechanism; the hydraulic mechanism is in hydraulic communication with the at least one transfer driving mechanism and / or the at least one hoisting driving mechanism respectively.

[0021] In some embodiments, the base frame and the transfer frame are respectively formed by a plurality of sectional steels which are detachably assembled.

[0022] The implementation of the present application at least includes the following beneficial effects:

[0023] The application can reduce the space occupied by the moving structure of the gas power station main equipment hoisting system by setting the transfer device movably arranged on the transfer platform, and the overall space requirement for the plant is smaller, and the hoisting process does not need to rotate the system as a whole, which solves the influence on the construction of the gas power plant plant which pursues compact layout. By cooperating with the transfer driving mechanism and the hoisting driving mechanism, it is not necessary to construct a large area of reservation or temporary opening on the civil construction of the plant, which reduces the influence on the civil construction. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described below in combination with the drawings and embodiments, and the drawings are as follows:

[0025] Figure 1 is a structural schematic view of the gas power station main equipment hoisting system of an embodiment of the application;

[0026] Figure 2 is a side view of the base frame 11 and the transfer frame 21 in Figure 1

[0027] Figure 3 is a top view of the transfer frame 21 in Figure 1 DETAILED DESCRIPTION

[0028] In order to have a clearer understanding of the technical features, purposes and effects of the application, the specific embodiments of the application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "bottom", "inner", "inside", "outside" and the like are based on the directions or positional relationships shown in some of the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the technical solution, and cannot be understood as indicating that the devices or elements referred to must have a particular direction, so it cannot be understood as a limitation on the application.

[0029] ​​It should be noted that, unless otherwise explicitly specified and limited, the terms such as "mounting", "connection", "linking", "fixing", "arrangement" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on another element, or one or more intervening elements can exist. The terms "first", "second" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second" and the like can be explicitly or implicitly included one or more of the features.

[0030] In the following description, specific details such as specific system structures, techniques, etc. are presented in order to thoroughly understand the embodiments of the present application for the purpose of description rather than for the purpose of limitation. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0031] As shown in Figure 1 and Figure 2 The present application constructs a gas power station main equipment hoisting system 1 which can hoist the main equipment 2 such as steam turbine, gas turbine, gas turbine generator, steam turbine generator, etc. in the gas power station. The gas power station main equipment hoisting system 1 comprises a transfer platform 10, a transfer device 20 and a driving device 30. Wherein, the transfer device 20 can be movably arranged at the top end of the transfer platform 10 under the driving of the driving device 30, so as to cooperate with the transfer platform 10 to realize the transfer of the main equipment 2.

[0032] Wherein, the transfer platform 10 can define a hoisting space 111 and a placing space 112. The transfer device 20 can define a transfer space 211. Wherein, the hoisting space 111, the placing space 112 and the transfer space 211 can all realize the accommodation of the main equipment 2, so as to realize the hoisting and installation of the main equipment 2 by transferring the main equipment 2 between the spaces.

[0033] Further, the driving device 30 can include at least one transfer driving mechanism 31 and at least one hoisting driving mechanism 32. The transfer driving mechanism 31 is arranged on the transfer platform 10 and is used to drive the movement of the transfer device 20 along the transfer platform 10, so as to realize the transfer of the main equipment 2 in the horizontal direction. That is, the transfer device 20 can be movably arranged on the transfer platform 10 through the transfer driving mechanism 31. The hoisting driving mechanism 32 is arranged on the transfer device 20 and is used to realize the hoisting of the main equipment 2 in the vertical direction.

[0034] Specifically, under the driving of the transfer driving mechanism 31, the transfer device 20 can have a lifting position and a placing position on the transfer platform 10.

[0035] When the transfer device 20 is located at the lifting position on the transfer platform 10, the transfer space 211 can be in communication with the lifting space 111, and the transfer space 211 is located above the lifting space 111. At this time, the hoisting driving mechanism 32 can hoist the main equipment 2 back and forth between the lifting space 111 and the transfer space 211 in the vertical direction.

[0036] When the transfer device 20 is located at the placing position on the transfer platform 10, the transfer space 211 can be in communication with the placing space 112, and the transfer space 211 is located above the placing space 112. At this time, the hoisting driving mechanism 32 can hoist the main equipment 2 back and forth between the placing space 112 and the transfer space 211 in the vertical direction.

[0037] In specific use, the installation position of the transfer platform 10 can be such that the placing space 112 thereof is located in the factory building and at the main equipment installation position 3 in the factory building. The placing space 112 can accommodate the main equipment installation position 3, so that when the hoisting driving mechanism 32 hoists the main equipment 2 from the transfer space 211 to the placing space 112, the main equipment 2 can be placed to the main equipment installation position 3 in the placing space 112 under the hoisting of the hoisting driving mechanism 32, thereby realizing the hoisting of the main equipment to the target position.

[0038] It should be understood that the installation position 3 of the main equipment 2 can be understood as the target position of the installation of the main equipment 2 in the factory building. The installation position 3 can be a mounting rack, a concrete foundation, etc. The installation position 3 of each main equipment 2 in the factory building is different, which is not limited here.

[0039] The gas power station main equipment hoisting system 1 provided in the application can be used without constructing large-area reserved or temporary openings on the civil construction of the factory building, thereby reducing the influence on the civil construction. The transfer device 20 movably arranged on the transfer platform 10 is used in combination with the transfer driving mechanism 31 and the hoisting driving mechanism 32, so that the main equipment 2 can be first transferred from the hoisting space 111 to the transfer space 211 and then transferred from the transfer space 211 to the placing space 112, thereby realizing the hoisting and installation of the main equipment 2 and making the hoisting method more convenient. The transfer device 20 is movably arranged on the transfer platform 10, thereby reducing the space occupied by the moving structure of the gas power station main equipment hoisting system 1, reducing the overall space requirement of the factory building, and eliminating the need for the system to rotate as a whole during the hoisting process, thereby solving the influence on the construction of the gas power plant factory building which pursues compact arrangement. The use of the scheme for hoisting large equipment can meet the hoisting of main equipment of different weights and sizes, and has strong versatility. The scheme does not require large-area openings on the roof of the factory building, thereby reducing the interference of the introduction of the main equipment on the key path of the civil construction of the factory building and effectively shortening the construction period. In addition, the use of the innovative method reduces the potential risk of damage to the main equipment caused by hoisting of large equipment.

[0040] As shown in Figure 2 some embodiments, the transfer platform 10 can include a base frame 11 and at least one guide rail 12. The base frame 11 can be longitudinally arranged, and at least one end thereof can be located in the factory building. The placing space 112 and the hoisting space 111 can be located at positions close to the two ends of the base frame 11 in the length direction, and the end where the placing space 112 is located can be located in the factory building, so that the main equipment installation position 3 in the factory building can be in the placing space 112. The end where the hoisting space 111 is located can be located in the factory building or outside the factory building. The guide rail 12 is arranged at the top end of the base frame 11 and extends along the length direction of the base frame 11. The transfer device 20 is movably arranged on the guide rail 12.

[0041] In Figure 1 and Figure 2 embodiments, the base frame 11 has a generally rectangular body shape in the length direction. The hoisting space 111 is located at a position close to the first end of the base frame 11 and is located outside the factory building during use. The placing space 112 is located at a position close to the second end opposite to the first end of the base frame 11 and is located in the factory building during use. The number of guide rails 12 is two, which are symmetrically located on the opposite sides of the top end of the base frame 11 and are parallel to the long axis of the base frame 11.

[0042] In other optional embodiments, the base frame 11 can also have other shapes such as a longitudinal semicircular column shape, a circular column shape, a polygonal column shape, or the like. The number of guide rails 12 can also be three, four, or more, so as to improve the stability of the support and transfer of the transfer device 20.

[0043] Further, in some embodiments, the base frame 11 can be assembled from multiple steel profiles by bolting or welding, etc. Such a setting mode can facilitate the disassembly of the gas power station main equipment hoisting system 1. The entire process does not require the gas power station main equipment hoisting system 1 to be carried and moved by itself, reducing the operation steps of carrying the large system equipment as a whole during the operation process, and avoiding the space requirement of the plant during the moving process of the large system equipment in and out of the plant.

[0044] When it is necessary to hoist the main equipment 2 into a plant, the raw materials such as steel profiles can be first transported to the plant, and then the assembly work of the transfer platform 10 and the transfer device 20 is carried out in the plant. When the assembly is completed, the hoisting of the main equipment 2 can be directly carried out. After the hoisting of the main equipment 2 is completed, the gas power station main equipment hoisting system 1 can also be disassembled in the plant. The relatively large system equipment is disassembled into smaller raw materials such as steel profiles, and then transported out of the plant.

[0045] Further, as shown in Figure 2 , the first end of the base frame 11 is also provided with an entrance and exit 113, which can be in communication with the hoisting space 111. The gas power station main equipment hoisting system 1 can also include a transport vehicle 40, which can transport the main equipment 2 from the plant and the gas power station main equipment hoisting system 1, through the entrance and exit 113, to the hoisting space 111. So that when the transfer device 20 is located at the hoisting position, the hoisting driving mechanism 32 on the transfer device 20 can hoist the main equipment 2 on the transport vehicle 40 in the hoisting space 111 to the transfer space 211.

[0046] In some embodiments, the base frame 11 can include a first side wall and a second side wall. The first side wall and the second side wall are arranged in parallel and spaced apart, and the space between them includes the hoisting space 111 and the placing space 112. The hoisting space 111 is located at the first end of the first side wall and the second side wall, and the placing space 112 is located at the second end. The end of the first side wall and the second side wall close to the hoisting space 111 can be considered as the entrance and exit 113.

[0047] Specifically, as shown in Figure 1 and Figure 2 , the first side wall and the second side wall can be assembled from horizontal steel profiles 1101 and multiple vertical steel profiles 1102, respectively. The horizontal steel profiles 1101 are arranged at the top end, and the top thereof can be provided with a guide rail 12. The multiple vertical steel profiles 1102 can be arranged vertically at the bottom end of the horizontal steel profiles 1101 to serve as support. A plurality of reinforcing ribs can be arranged between the vertical steel profiles 1102 and the horizontal steel profiles 1101, one end of which is connected with the vertical steel profiles 1102 and the other end of which is connected with the horizontal steel profiles 1101, so as to improve the stability of the base frame 11.

[0048] Furthermore, such as Figure 2 As shown, in some embodiments, the base frame 11 may further include multiple horizontal reinforcing steel sections 1103. These can be horizontally positioned between the two ends of the first side wall and the second side wall to improve the overall stability of the base frame 11. The reinforcing steel sections 1103 located at the first ends of the first side wall and the first ends of the second side wall can be assembled between the first and second side walls after the main equipment 2 enters the lifting space 111 from the inlet / outlet 113.

[0049] In some other alternative embodiments, the first and second sidewalls of the transfer platform 10 may also be formed by assembling plate-like structures.

[0050] In some embodiments, the transport vehicle 40 may employ existing transfer vehicle equipment used for transporting large main equipment 2 such as steam turbines. For example, in Figure 1 In the embodiment shown, the transport vehicle 40 is a multi-wheeled flatbed truck capable of carrying hundreds of tons of cargo.

[0051] In some embodiments, the bottom of the base frame 11 may also be provided with multi-directional moving wheels. By driving the movement of the moving wheels, the transfer platform 10 can be moved in and out of the factory as a whole, or its position can be adjusted within the factory.

[0052] In some embodiments, the transfer platform 10 further includes a base frame guardrail 14 and a base frame ladder 15. The base frame guardrail 14 is disposed at the top of the first and second side walls of the base frame 11 to provide protection for workers located at the top of the base frame 11. The ladder 15 is disposed on one side of the base frame 11 for workers to climb to the top of the base frame 11.

[0053] like Figure 1 As shown, in some embodiments, the transfer device 20 may include a transfer frame 21 and a plurality of movable structures 22. The plurality of movable structures 22 are spaced apart at the bottom end of the transfer frame 21 and are movably arranged along guide rails 12, thereby enabling the transfer device 20 to move along the transfer platform 10. The transfer frame 21 defines a transfer space 211. A hoisting drive mechanism 32 is disposed at the top end of the transfer frame 21, and its output end extends retractably into the transfer space 211.

[0054] The transfer frame 21 can also be assembled from multiple steel sections by welding or bolting to form a rectangular frame structure. Its interior is hollow and its bottom is open, forming a transfer space 211. The frame structure facilitates on-site assembly and disassembly, reducing the space requirements for equipment entry and exit.

[0055] Further, the transfer frame 21 can also be provided with a plurality of reinforcing ribs to improve the overall stability of the transfer frame 21.

[0056] In some embodiments, the transfer device 20 can further include a transfer guardrail 23 and a transfer climbing ladder 24. The transfer guardrail 23 is arranged circumferentially at the top end of the transfer frame 21 to provide protection for the operator located at the top end of the transfer frame 21. The climbing ladder 24 is arranged at one side of the transfer frame 21 for the operator to climb from the top end of the base frame 11 to the top end of the transfer frame 21.

[0057] In some embodiments, the moving structure 22 can adopt an existing small tank car, which can be grouped in a number corresponding to the number of guide rails 12. The tank car can carry several tons of weight while providing movement.

[0058] In some embodiments, the transfer driving mechanism 31 can be arranged at one end of the transfer platform 10 close to the placement space 112, and the output end is telescopically connected with the transfer device 20. It can adopt an existing tension jack. The tension jack can include a tension cable, one end of which is arranged on the transfer device 20 to pull the transfer device 20, thereby realizing the movement of the transfer device 20 on the guide rail 12.

[0059] In use, the operator can push the transfer device 20 to the lifting position by the moving structure 22, and control the driving device 30 to cooperate with the transfer device 20 to hoist the main equipment 2 in the vertical direction. Further, the transfer device 20 hoisting the main equipment 2 can move from the lifting position to the placement position along the guide rail 12 under the tension of the tension cable of the transfer driving mechanism 31.

[0060] The number of transfer driving mechanisms 31 can be set to two or an even number, and arranged symmetrically in the width direction of the base frame 11, so that the moving structures 22 on both sides of the guide rail 12 can be uniformly stressed, avoiding the situation of the moving structure 22 derailing.

[0061] It should be understood that the transfer driving mechanism 31 can select tension jacks with different rated loads according to the weight of the transfer device 20 and the main equipment 2. In Figure 1 In the illustrated embodiment, the rated load of the transfer driving mechanism 31 is 15 tons.

[0062] Of course, in some other optional embodiments, the moving structure 22 can adopt a roller type structure driven by an electric motor. The transfer driving mechanism 31 can adopt an electric motor or other electric drive equipment. By driving the moving structure 22 to rotate, the transfer device 20 can move back and forth along the guide rail 12.

[0063] In some other optional embodiments, the number of the transfer driving mechanisms 31 can be set as at least two, which can be respectively arranged at the two ends of the transfer platform 10 in the length direction, so that the transfer device 20 can be moved back and forth between the placing position and the lifting position under the pulling of the transfer driving mechanisms 31 at the two ends of the transfer platform 10.

[0064] In some embodiments, the hoisting driving mechanism 32 can adopt an existing tensioning jack, which is arranged at the top end of the transfer frame 21, and the main equipment 2 can be transferred along the vertical direction by connecting the tensioning cable to the main equipment 2 and pulling the tensioning cable.

[0065] In Figure 3 In the illustrated embodiments, the number of the hoisting driving mechanisms 32 can be four, which can be uniformly arranged in a matrix at the top end of the transfer frame 21, each hoisting driving mechanism 32 can independently bear a lifting capacity of 180 tons, and the four hoisting driving mechanisms 32 can collectively realize a safe working load of 480 tons to realize the safe hoisting of various main equipment 2.

[0066] In some embodiments, the hoisting driving mechanism 32 and the transfer driving mechanism 31 are both hydraulic driving mechanisms such as hydraulic jacks, and the driving device 30 can further include a hydraulic mechanism 33. The hydraulic mechanism 33 can be arranged on the transfer device 20 and in liquid communication with the hoisting driving mechanism 32 to control the operation of the hoisting driving mechanism 32.

[0067] When the number of the hoisting driving mechanisms 32 is multiple, the hydraulic mechanism 33 is in liquid communication with the multiple hoisting driving mechanisms 32 respectively, which can realize the synchronous driving of the multiple hoisting driving mechanisms 32 to realize the stable hoisting of the main equipment 2.

[0068] Further, the number of the hydraulic mechanism 33 can be set as two, which are respectively used to drive the hoisting driving mechanism 32 and the transfer driving mechanism 31.

[0069] Of course, in some other optional embodiments, the hydraulic mechanism 33 can also be used to drive only the transfer driving mechanism 31. The hoisting driving mechanism 32 and / or the transfer driving mechanism 31 can also adopt an existing electric or pneumatic driving mode. The hydraulic mechanism 33 can also be used to drive only the transfer driving mechanism 31, or the hydraulic mechanism 33 can drive the hoisting driving mechanism 32 and the transfer driving mechanism 31 respectively.

[0070] It should be understood that the hydraulic mechanism 33 can adopt an existing hydraulic driving system to realize hydraulic driving, which is not limited in detail here.

[0071] In the process of hoisting the main equipment 2, the transfer platform 10 and the transfer device 20 can be assembled in the factory building where the main equipment 2 is to be installed. Further, the reinforced steel 1103 at the first end of the base frame 11 can be temporarily placed, and the main equipment 2 can be transported into the hoisting space 111 from the entrance 113 at the first end of the base frame 11 by the transport vehicle 40. Then, the reinforced steel 1103 is connected to the first end of the base frame 11.

[0072] Further, the operator pushes the transfer device 20 to the hoisting position of the transfer platform 10, and then connects the tensioning cable of the hoisting driving mechanism 32 on the transfer device 20 to the main equipment 2.

[0073] Further, the tensioning cable of the hoisting driving mechanism 32 is locked by the hydraulic mechanism 33 to realize the hoisting of the main equipment 2. The main equipment 2 is moved from the hoisting space 111 to the transfer space 211.

[0074] Further, the tensioning cable of the transfer driving mechanism 31 is connected to the transfer device 20. The tensioning cable is locked by the hydraulic mechanism 33 to drive the transfer driving mechanism 31 to pull the transfer device 20 from the hoisting position to the placing position along the guide rail.

[0075] Further, the tensioning cable of the hoisting driving mechanism 32 is released by the hydraulic mechanism 33 to realize the lowering of the main equipment 2. The main equipment 2 falls from the transfer space 211 to the installation position 3 in the placing space 112.

[0076] It can be understood that the above embodiments only express part of the embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present application; it should be pointed out that for ordinary skilled in the art, the above embodiments or technical features can be freely combined without departing from the concept of the present application, and some modifications and improvements can be made, which belong to the protection scope of the present application, i.e. the embodiments described in "in some embodiments" can be freely combined with any of the above and below embodiments; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A hoisting system for main equipment in a gas-fired power plant, characterized in that, include: The transfer platform (10) is defined by a lifting space (111) and a placement space (112). The transfer device (20) is movably disposed at the top of the transfer platform (10) and defines a transfer space (211). The drive device (30) includes at least one transfer drive mechanism (31) and at least one hoisting drive mechanism (32); the at least one transfer drive mechanism (31) is disposed on the transfer platform (10), the transfer device (20) is movably disposed on the transfer platform (10) via the at least one transfer drive mechanism (31), and the at least one hoisting drive mechanism (32) is disposed on the transfer device (20); The transfer device (20) has a lifting position and a placement position on the transfer platform (10); When the transfer device (20) is located at the lifting position, the transfer space (211) is connected to the lifting space (111), and the at least one hoisting drive mechanism (32) is used to hoist the main equipment (2) back and forth between the lifting space (111) and the transfer space (211). When the transfer device (20) is located in the placement position, the transfer space (211) is connected to the placement space (112), and the at least one hoisting drive mechanism (32) is used to hoist the main equipment (2) back and forth between the placement space (112) and the transfer space (211).

2. The main equipment hoisting system for a gas-fired power plant according to claim 1, characterized in that, The transfer platform (10) includes a base frame (11) and at least one guide rail (12). The base frame (11) is longitudinally arranged, with one end extending into the factory building and defining the placement space (112) for housing the main equipment installation position (3); the other end defines the lifting space (111); the at least one guide rail (12) is located at the top of the base frame (11) and extends along the length of the base frame (11); the transfer device (20) is movably arranged on the guide rail (12).

3. The gas-fired power plant main equipment hoisting system according to claim 2, characterized in that, The base frame (11) is provided with an inlet (113) at the end away from the placement space (112), and the inlet (113) is connected to the lifting space (111); the gas power plant main equipment hoisting system (1) also includes a transport vehicle (40) for transferring the main equipment (2) from the inlet (113) into the lifting space (111).

4. The gas-fired power plant main equipment hoisting system according to claim 2, characterized in that, The transfer device (20) includes a transfer frame (21) and a plurality of movable structures (22). The plurality of movable structures (22) are spaced apart at the bottom end of the transfer frame (21) and are movably arranged along at least one guide rail (12). The transfer frame (21) defines the transfer space (211). At least one hoisting drive mechanism (32) is located at the top of the transfer frame (21) and its output end extends retractably into the transfer space (211).

5. The main equipment hoisting system for a gas-fired power plant according to claim 4, characterized in that, The mobile structure (22) is a tank.

6. The gas-fired power plant main equipment hoisting system according to claim 4, characterized in that, The base frame (11) and the transfer frame (21) are respectively equipped with climbing ladders, and the top of each is respectively equipped with guardrails along the circumference.

7. The main equipment hoisting system for a gas-fired power plant according to any one of claims 1 to 6, characterized in that, The transfer drive mechanism (31) is located at one end of the transfer platform (10) near the placement space (112), and its output end is retractably connected to the transfer device (20).

8. The main equipment hoisting system for a gas-fired power plant according to any one of claims 1 to 6, characterized in that, The at least one transfer drive mechanism (31) and / or the at least one hoisting drive mechanism (32) is a tensioning jack.

9. The main equipment hoisting system for a gas-fired power plant according to any one of claims 1 to 6, characterized in that, The at least one transfer drive mechanism (31) and the at least one hoisting drive mechanism (32) shown are hydraulic drive mechanisms, and the drive device (30) further includes a hydraulic mechanism (33); the hydraulic mechanism (33) is in fluid communication with the at least one transfer drive mechanism (31) and / or the at least one hoisting drive mechanism (32).

10. The main equipment hoisting system for a gas-fired power plant according to any one of claims 4 to 6, characterized in that, The base frame (11) and the transfer frame (21) are respectively formed by detachably assembling multiple steel sections.

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