Maintenance platform and water-turbine generator set

Abstract

The utility model relates to the technical field of maintenance platforms, in particular to a maintenance platform and a water-turbine generator set, the maintenance platform comprises an operation table, a mounting frame, a first supporting frame and an auxiliary assembly, the operation table is formed by splicing a plurality of plug-in type mounting plates, and a through hole is reserved in the middle of the operation table; the operation table is fixedly connected to the top of the mounting frame, the first supporting frame is fixedly connected to the bottom of the mounting frame, the auxiliary assembly comprises a fence and second supporting frames, the fence is arranged in the length direction of the operation table, and the second supporting frames are arranged at the bottoms of the two ends of the operation table. The utility model aims to solve the technical problems that the maintenance platform is inconvenient to mount and dismount, and a gap exists after mounting and cannot cover an operation area, and the safety of the maintenance platform is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance platforms, in particular to a maintenance platform and a water turbine generator set. Background Art

[0002] In a hydroelectric generator set, the lower guide bearing plays an important role. It is installed on the lower frame of the generator and its main function is to support and constrain the generator shaft to move within the allowed radial range. At the same time, the shield is installed on the outside of the generator shaft as a protective device to ensure its safe operation. In actual operation, since the lower guide bearing and the shield are located at a high position and in the waterwheel room, the operators cannot directly perform maintenance and repairs, so it is necessary to design a maintenance platform to facilitate the operators to operate.

[0003] At present, the existing technology usually uses I-beams and wooden boards to build a maintenance platform for the lower guide bearing and the guard. Since the I-beam has a large span and lacks effective support in the middle, the maintenance platform is prone to deformation and lacks safety protection facilities. Secondly, wooden boards of different sizes are fixed with wire, resulting in gaps on the surface of the platform after installation, which cannot completely cover the working area. Utility Model Content

[0004] The utility model aims to provide a maintenance platform and a hydro-turbine generator set, which are used to solve the technical problems in the background technology that the maintenance platform is inconvenient to install and disassemble, and there are gaps after installation that cannot cover the working area, so as to improve the safety of the maintenance platform.

[0005] To achieve the above-mentioned purpose, the technical solution of the first aspect of the utility model provides a maintenance platform, including an operating table, a mounting frame, a first support frame and an auxiliary component, the operating table is formed by splicing a plurality of plug-in mounting plates and a through hole is left in the middle of the operating table, the operating table is fixedly connected to the top of the mounting frame, the first support frame is fixedly connected to the bottom of the mounting frame, the auxiliary component includes a fence and a second support frame, the fence is arranged along the length direction of the operating table, and the second support frame is arranged at the bottom of both ends of the operating table.

[0006] Furthermore, a limit block and a handle are fixedly connected to the mounting plate, the limit block is arranged at the bottom of the mounting plate, and the handle is arranged at the top of the mounting plate.

[0007] Furthermore, the first support frame includes a first column and a first extension column. The first extension column is slidably connected to the first column. The first extension column is fixedly connected to the first column by a first bolt assembly. Four groups of first columns and first extension columns are provided. The four groups of first columns and first extension columns form a rectangular first support frame.

[0008] Furthermore, the first support frame also includes a first truss, and the first truss is fixedly connected to four sides of the first support frame.

[0009] Furthermore, the mounting frame includes a horizontal beam and a vertical beam. There are two groups of horizontal beams, which are arranged along the length direction of the operating table. There are four groups of horizontal beams, which are fixedly connected between the two groups of horizontal beams at intervals.

[0010] Furthermore, the mounting frame also includes an auxiliary beam and a support beam, the auxiliary beam is fixedly connected between the horizontal beam and the vertical beam, and the support beam is fixedly connected to both ends of the horizontal beam.

[0011] Furthermore, the mounting frame also includes a connecting rod, which is fixedly connected between the two groups of cross beams.

[0012] Furthermore, the second support frame includes a second column and a second extension column. The second extension column is slidably connected to the second column, and the second extension column is fixedly connected to the second column by a second bolt assembly. The first column and the first extension column are provided in four groups, and the four groups of first columns and first extension columns are distributed around the bottom of the mounting frame.

[0013] Furthermore, the second support frame also includes a second truss, and the second truss is fixedly connected between the first columns on the same side of the mounting frame.

[0014] The technical solution of the second aspect of the utility model provides a hydro-turbine generator set, comprising the maintenance platform described in any one of the technical solutions of the first aspect of the utility model, and the maintenance platform is built on the lower guide bearing and the shield of the hydro-turbine generator set.

[0015] The beneficial effects of the utility model include:

[0016] 1. The utility model provides an inspection platform and a hydro-turbine generator set, which solve the technical problem that there are gaps after the inspection platform is installed and the working area cannot be effectively covered by setting an operating table formed by several plug-in mounting plates, and the plug-in mounting plates are easy to disassemble and assemble; by setting a mounting frame, a first supporting frame and a second supporting frame, a plurality of supporting points are provided for the inspection platform, thereby improving the carrying capacity of the inspection platform and preventing the inspection platform from being deformed; at the same time, the fence arranged in the length direction of the operating table can also ensure the safety of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments of the utility model will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the overall structure of the maintenance platform provided by the embodiment of the utility model;

[0019] Figure 2 A front view of the maintenance platform provided by the embodiment of the utility model;

[0020] Figure 3 A schematic diagram of a portion of the structure of the maintenance platform provided in the embodiment of the utility model;

[0021] Icons: 100-mounting plate, 200-mounting frame, 210-cross beam, 220-vertical beam, 230-auxiliary beam, 240-support beam, 250-connecting rod, 300-first support frame, 310-first column, 320-first extension column, 330-first bolt assembly, 340-first truss, 400-fence, 500-second support frame, 510-second column, 520-second extension column, 530-second bolt assembly, 540-second truss. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. It should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] See also Figures 1 to 3As shown, the technical solution of the first aspect of the utility model provides a maintenance platform, including an operating table, a mounting frame 200, a first support frame 300 and an auxiliary component, wherein the operating table is formed by splicing a plurality of plug-in mounting plates 100 and a through hole is left in the middle of the operating table, the operating table is fixedly connected to the top of the mounting frame 200, the first support frame 300 is fixedly connected to the bottom of the mounting frame 200, and the auxiliary component includes a fence 400 and a second support frame 500, the fence 400 is arranged along the length direction of the operating table, and the second support frame 500 is arranged at the bottom of both ends of the operating table; specifically, the shape and size of the plurality of plug-in mounting plates 100 are The size can be divided into blocks according to the actual shape and size of the maintenance platform. Several plug-in mounting plates 100 are assembled by plugging to form an operating table; the operating table, mounting frame 200, first support frame 300 and auxiliary components can be connected and fixed to each other by bolts; the through hole in the middle of the operating table is used to avoid the generator shaft; the mounting frame 200, the first support frame 300 and the second support frame 500 are used as the installation and support members of the operating table, and the fence 400 is arranged along both sides of the mounting frame 200, and the fence 400 is fixedly connected to the mounting frame 200. The bottom of the fence 400 should be provided with a skirting board to prevent the working tools on the operating table from falling;

[0025] The maintenance platform provided in this embodiment solves the technical problem that there are gaps after the maintenance platform is installed and the working area cannot be effectively covered by setting an operating table formed by several plug-in mounting plates 100, and the plug-in mounting plates 100 are easy to disassemble and assemble; by setting a mounting frame 200, a first support frame 300 and a second support frame 500, a plurality of support points are provided for the maintenance platform, thereby improving the carrying capacity of the maintenance platform and preventing the maintenance platform from being deformed; at the same time, the fence 400 arranged in the length direction of the operating table can also ensure the safety of the operators.

[0026] Preferably, a limit block (not shown in the figure) and a handle (not shown in the figure) are fixedly connected to the mounting plate 100, the limit block is arranged at the bottom of the mounting plate 100, and the handle is arranged at the top of the mounting plate 100; specifically, the limit block and the handle are welded to the mounting plate 100, and the limit block is used to limit the position between two adjacent mounting plates 100 after the mounting plates 100 are spliced ​​to avoid offset or misalignment; the purpose of providing the handle is to facilitate manual handling; at the same time, a number can also be sprayed on the surface of each mounting plate 100 to facilitate the overall installation and disassembly management of the operating table;

[0027] Preferably, the first support frame 300 includes a first column 310 and a first extension column 320, the first extension column 320 is slidably connected to the first column 310, the first extension column 320 is fixedly connected to the first column 310 by a first bolt assembly 330, the first column 310 and the first extension column 320 are provided with four groups, the four groups of first columns 310 and first extension columns 320 form a rectangular first support frame 300, the first support frame 300 also includes a first truss 340, the first truss 340 is fixedly connected to the four sides of the first support frame 300; specifically, the first support frame 3 00A rectangular frame composed of four groups of first columns 310 and first extension columns 320 can provide multiple support points, thereby improving the bearing capacity of the maintenance platform; the first extension columns 320 are used to adjust the height of the maintenance platform, and the first extension columns 320 and the first columns 310 can be adjusted by threaded connection. When the maintenance platform is adjusted to a suitable height, it can be locked with bolts to achieve the adjustment of the overall height of the maintenance platform; the first truss 340 is used to improve the bearing capacity of the maintenance platform, and the first truss 340 and the first column 310 are preferably connected and fixed by buckles;

[0028] Preferably, the mounting frame 200 includes a cross beam 210 and a vertical beam 220, the cross beam 210 is provided with two groups, the two groups of cross beams 210 are arranged along the length direction of the operating table, the cross beam 210 is provided with four groups, and the four groups of cross beams 210 are fixedly connected between the two groups of cross beams 210 at intervals, the mounting frame 200 also includes an auxiliary beam 230 and a support beam 240, the auxiliary beam 230 is fixedly connected between the cross beam 210 and the vertical beam 220, the support beam 240 is fixedly connected to both ends of the cross beam 210, and the mounting frame 200 also includes a connecting rod 250, and the connecting rod 250 is fixedly connected between the two groups of cross beams 210; specifically, the cross beam 210, the vertical beam 220, the auxiliary beam 230, and the support beam 240 can be connected by screws. The bolts are connected and fixed; in this embodiment, the cross beam 210 is formed by three beam bodies fixedly connected; there are four vertical beams 220, and the four vertical beams 220 are arranged at intervals along the length direction of the cross beam 210; there are four auxiliary beams 230, and the four auxiliary beams 230 are arranged between the cross beam 210 and the vertical beam 220 at the center of the mounting frame 200; there are four support beams 240, and the four support beams 240 are respectively arranged at both ends of the two balance beams; finally, a mounting frame 200 with good bearing capacity is formed by the cross beam 210, the vertical beam 220, the auxiliary beam 230, and the support beam 240, and the mounting frame 200 can effectively disperse the load, improve the bearing capacity of the maintenance platform, and ensure the safety and reliability of the operating table;

[0029] Preferably, the second support frame 500 includes a second column 510 and a second extension column 520, the second extension column 520 is slidably connected to the second column 510, the second extension column 520 is fixedly connected to the second column 510 by a second bolt assembly 530, the first column 310 and the first extension column 320 are provided with four groups, the four groups of first columns 310 and first extension columns 320 are distributed around the bottom of the mounting frame 200, the second support frame 500 also includes a second truss 540, and the second truss 540 is fixedly connected between the first columns 310 on the same side of the mounting frame 200; specifically, the working principle of the second support frame 500 is similar to that of the above-mentioned first support, and will not be repeated here; the purpose of setting the second support frame 500 in this embodiment is to improve the bearing capacity of both ends of the operating table;

[0030] The technical solution of the second aspect of the utility model provides a hydro-turbine generator set, comprising a maintenance platform as described in any one of the technical solutions of the first aspect of the utility model, and the maintenance platform is built on the lower guide bearing and the protective cover of the hydro-turbine generator set; in actual use, when the maintenance platform is used for the maintenance of the lower guide bearing and the protective cover (not shown in the figure), the maintenance work of different facilities can be achieved by adjusting the height of the maintenance platform, which brings significant convenience to the operation and maintenance of the hydro-turbine generator set.

[0031] In addition to the above description, there are a few points to note:

[0032] (1) The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure, and other structures may refer to the general design;

[0033] (2) In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A maintenance platform, characterized in that: The invention comprises an operating table, a mounting frame (200), a first support frame (300) and an auxiliary component. The operating table is formed by splicing a plurality of plug-in mounting plates (100) and a through hole is left in the middle of the operating table. The operating table is fixedly connected to the top of the mounting frame (200), and the first support frame (300) is fixedly connected to the bottom of the mounting frame (200). The auxiliary component comprises a fence (400) and a second support frame (500). The fence (400) is arranged along the length direction of the operating table, and the second support frame (500) is arranged at the bottom of both ends of the operating table.

2. The maintenance platform according to claim 1, characterized in that: A limit block and a handle are fixedly connected to the mounting plate (100); the limit block is arranged at the bottom of the mounting plate (100), and the handle is arranged at the top of the mounting plate (100).

3. The maintenance platform according to claim 1, characterized in that: The first support frame (300) comprises a first column (310) and a first extension column (320); the first extension column (320) is slidably connected to the first column (310); the first extension column (320) is fixedly connected to the first column (310) via a first bolt assembly (330); four groups of first columns (310) and first extension columns (320) are provided; the four groups of first columns (310) and first extension columns (320) form a rectangular first support frame (300).

4. The maintenance platform according to claim 3, characterized in that: The first support frame (300) further comprises a first truss (340), and the first truss (340) is fixedly connected to the four sides of the first support frame (300).

5. The maintenance platform according to any one of claims 1 to 4, characterized in that: The mounting frame (200) comprises a cross beam (210) and a vertical beam (220). The cross beam (210) is provided in two groups, and the two groups of cross beams (210) are arranged along the length direction of the operating table. The cross beams (210) are provided in four groups, and the four groups of cross beams (210) are fixedly connected between the two groups of cross beams (210) at intervals.

6. The maintenance platform according to claim 5, characterized in that: The mounting frame (200) further comprises an auxiliary beam (230) and a support beam (240), wherein the auxiliary beam (230) is fixedly connected between the cross beam (210) and the vertical beam (220), and the support beam (240) is fixedly connected to both ends of the cross beam (210).

7. The maintenance platform according to claim 5, characterized in that: The mounting frame (200) further comprises a connecting rod (250), wherein the connecting rod (250) is fixedly connected between the two groups of cross beams (210).

8. The maintenance platform according to claim 5, characterized in that: The second support frame (500) includes a second column (510) and a second extension column (520), the second extension column (520) is slidably connected to the second column (510), the second extension column (520) is fixedly connected to the second column (510) via a second bolt assembly (530), and the first column (310) and the first extension column (320) are provided with four groups, and the four groups of the first column (310) and the first extension column (320) are distributed around the bottom of the mounting frame (200).

9. The maintenance platform according to claim 8, characterized in that: The second support frame (500) further comprises a second truss (540), and the second truss (540) is fixedly connected between the first columns (310) on the same side of the mounting frame (200).

10. A hydro-generator set, characterized in that: The maintenance platform comprises the maintenance platform as described in any one of claims 1 to 9, which is built on the lower guide bearing and the shield of the hydro-generator set.

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