Annular platform for overhauling control ring of water-turbine generator set

Abstract

The utility model relates to a water-turbine generator set control ring maintenance annular platform which is erected above a control ring and is composed of a platform base, a supporting device and a safety guardrail. The main material of the maintenance platform is required to be aluminum alloy, and the platform panel is an aluminum alloy checkered plate. A water-turbine generator set control ring maintenance annular platform comprises a crawling ladder, the top of the crawling ladder is fixedly connected with a notch of the annular platform, a plurality of first guardrails are fixed to the annular platform, a second guardrail is fixedly connected between every two first guardrails through a plurality of double-pipe buckles, and a plurality of supporting legs are fixedly connected to the bottom of the annular platform. The platform is specially designed for solving the problems of safety belt fixation and safe walking on a wet and slippery surface when the height of a control ring exceeds 1.5 m, and the safety and the efficiency of maintenance operation are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, concretely relates to a water turbine generator unit control ring overhauls annular platform. BACKGROUND

[0002] During the water wheel room overhauls of the water turbine generator unit, the overhauls of the control ring face many challenges. First, the height of the control ring exceeds 1.5 meters, and the operating personnel need to wear safety belts to ensure safety, but the existing control ring does not provide a position for fixing the safety belt. In addition, the control ring is also not installed with a protective device, plus the slippery surface, the personnel frequently move up and down during the overhauls, and there is a very high safety risk. In the past, overhauls were all pasted with anti-slip stickers on the control ring, but this did not solve the problem of wearing safety belts.

[0003] Therefore, there is an urgent need for a water turbine generator unit control ring overhauls annular platform that can solve the above problems. UTILITY MODEL CONTENTS

[0004] The purpose of the patent is to ensure the safety and efficiency of the water wheel room overhauls of the water turbine generator unit, by designing a control ring overhauls annular platform and a bolt stretcher transfer tool, to solve the problems of difficult fixing of safety belts for high-altitude work, risk of walking on a slippery surface, and inconvenience of carrying heavy bolt stretchers.

[0005] To solve the above problems, the present application is realized by the following technical scheme:

[0006] A water turbine generator unit control ring overhauls annular platform, comprising a ladder, the top of the ladder is fixedly connected with a notch of an annular platform, a plurality of first guardrails are fixedly connected on the annular platform, a second guardrail is fixedly connected between every two first guardrails through a plurality of double pipe buckles, and a plurality of supporting legs are fixedly connected at the bottom of the annular platform.

[0007] The annular platform is fixedly connected with a plurality of hollow columns, and the pins of each first guardrail are fixedly inserted into the hollow columns.

[0008] The outer side wall of the annular platform is provided with a fixing device, the fixing device is fixedly connected with a safety belt ring, and the safety belt ring is used for fixedly connecting a safety belt.

[0009] The top of each supporting leg is fixedly connected with a bottom wall of the annular platform.

[0010] The top of each supporting leg is fixedly connected with one end of a fixed rod, and the other end of the fixed rod is fixedly connected with a bottom wall of the annular platform.

[0011] The inner side column body of each supporting leg is fixedly connected with a connecting rod.

[0012] The top step rod and the bottom step rod of each support leg are hollow structures, and the inner walls of the top step rod and the bottom step rod are screw rotationally communicated with the outer wall of each support column.

[0013] The outer wall of each support column is screw rotationally communicated with the threaded inner wall of the top step rod and the bottom step rod of the support leg.

[0014] The annular platform is an aluminum alloy pattern plate.

[0015] Compared with the prior art, the utility model has the beneficial effects of:

[0016] 1. The platform is designed to solve the safety belt fixing problem when the control ring height exceeds 1.5 meters and the safe walking problem on a wet surface, and significantly improves the safety and efficiency of the maintenance operation.

[0017] 2. Safety improvement: the control ring maintenance annular platform is designed to provide a safety belt fixing position for the operating personnel, effectively solving the problem of safety belt fixing difficulty when working at a high place, and greatly reducing the safety risk of the operating personnel when working at a high place. The platform adopts an aluminum alloy pattern plate, which increases the friction force of the surface and effectively solves the risk of walking on a wet surface, ensuring the safety of the maintenance personnel.

[0018] 3. Quick assembly and disassembly: the annular platform adopts a split type assembly design, making the assembly and disassembly process more convenient and fast, greatly shortening the maintenance time and improving the maintenance efficiency.

[0019] 4. The control ring maintenance annular platform is erected above the control ring, the platform panel adopts an aluminum alloy pattern plate, the annular platform adopts a split type assembly, and the design requires quick and convenient assembly. The platform is provided with a notch, the notch is an access, the access is provided with a ladder, and the ladder is convenient for climbing up and down.

[0020] 5. The platform base can be stably placed above the control ring, has anti-translational, anti-lateral sliding and anti-overturning measures, the support device is firmly installed and convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a control ring maintenance annular platform structure diagram of a hydroelectric generating set.

[0022] Fig. 2 It is a control ring maintenance annular platform top view diagram of a hydroelectric generating set.

[0023] Fig. 3 It is a control ring maintenance annular platform main view diagram along the A-A section plane of a hydroelectric generating set.

[0024] Fig. 1 is a ladder, 2 is a connecting rod, 3 is a support leg, 301 is a top ladder bar, 303 is a fixed bar, 302 is a bottom ladder bar, 4 is a hanging ring, 5 is a ring platform, 501 is a hollow cylinder, 502 is a notch, 6 is a first guardrail, 601 is a double pipe buckle, 7 is a second guardrail, 8 is a support column. DETAILED DESCRIPTION

[0025] It should be understood that the terms "top, upper, bottom, outer side wall, one end, the other end" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which 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 particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The "fixed connection" described in the present application is a conventional method, such as bonding, welding, etc., unless otherwise specified.

[0026] In addition, the description of the present application is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the embodiments or make equivalent substitutions for some of the technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0027] The patent model number is only for convenience of description, and is not intended to limit the use of this material.

[0028] The cylindrical water turbine shaft side wall is a water turbine shaft in the prior art.

[0029] Example 1

[0030] As shown in Figs. 1-3 A water turbine generator control ring maintenance ring platform, comprising a ladder 1, the ladder 1 is fixedly connected to the notch 502 of the ring platform 5, a plurality of first guardrails 6 are fixed on the ring platform 5, a plurality of double pipe buckles 601 are fixedly connected between every two first guardrails 6 to fix the second guardrail 7, and a plurality of support legs 3 are fixedly connected to the bottom of the ring platform 5.

[0031] The ring platform 5 is fixedly connected to a plurality of hollow cylinders 501, and the pins of each first guardrail 6 are fixedly connected to the hollow cylinders 501.

[0032] The outer side wall of the ring platform 5 is provided with a fixing device 502, the fixing device 502 is fixedly connected to a safety belt hanging ring 4, and the safety belt hanging ring 4 is used for fixedly connecting a safety belt.

[0033] The top of each support leg 3 is fixedly connected to the bottom wall of the ring platform 5.

[0034] The top of each support leg 3 is fixedly connected with one end of a fixed rod 303, and the other end of the fixed rod 303 is fixedly connected with the bottom wall of the annular platform 5.

[0035] The inner side column body of each support leg 3 is fixedly connected with the connecting rod 2.

[0036] The top stepped rod 301 and the bottom stepped rod 302 of each support leg 3 are hollow structures, and the inner walls of the top stepped rod 301 and the bottom stepped rod 302 are screw rotationally connected with the outer wall of each support column 8.

[0037] The outer wall of each support column 8 is screw rotationally connected with the threaded inner wall of the top stepped rod 301 and the bottom stepped rod 302 of the support leg 3.

[0038] The hanging ring 4 is a safety belt hanging ring.

[0039] The annular platform 5 is an aluminum alloy pattern plate.

[0040] During assembly, the second guardrail 7 is not connected between the two first guardrails 6 located on both sides of the notch 502, so as to facilitate the passage of workers.

[0041] During use, the support column 8 can be adjusted in length in the radial direction, and the support column 8 is rotated in the radial direction until it is fixedly contacted with the side wall of the cylindrical water turbine shaft, so as to prevent the annular platform 5 from shaking in the radial direction.

[0042] Preferably, the connecting rod 2 is purchased from Guangdong Xingfa Aluminum Co., Ltd. and is an aluminum alloy of model 1100.

[0043] Preferably, the annular platform 5 is an aluminum alloy pattern plate purchased from Guangdong Xingfa Aluminum Co., Ltd. and is an aluminum alloy of model 1100.

[0044] Preferably, the double pipe buckle 601 is purchased from Guangdong Xingfa Aluminum Co., Ltd. and is an aluminum alloy of model 1100.

[0045] Preferably, the support column 8 is purchased from Guangdong Xingfa Aluminum Co., Ltd. and is an aluminum alloy of model 1100.

Claims

1. A control ring overhauling annular platform of a hydroelectric generating unit, comprising a ladder (1), characterized in that, The ladder (1) top fixed connection annular platform (5) notched (502), annular platform (5) is fixed with a plurality of first guardrails (6), between every two first guardrails (6) through a plurality of double tube buckle (601) fixed connection second guardrails (7), annular platform (5) bottom fixed connection with a plurality of support legs (3).

2. The control ring overhauling annular platform of a hydroelectric generator unit according to claim 1, characterized in that, The annular platform (5) is fixedly connected with a plurality of hollow columns (501), and the plug pin of each first guardrail (6) is fixedly connected with the hollow column (501).

3. The control ring overhauling annular platform of a hydroelectric generator unit according to claim 1, characterized in that, The outer wall of the annular platform (5) is provided with a fixing device (502), the fixing device (502) is fixedly connected with a safety belt ring (4), and the safety belt ring (4) is used for fixedly connecting a safety belt.

4. The control ring maintenance ring platform for a hydroelectric generator unit as set forth in claim 1, wherein, The top of each support leg (3) is fixedly connected with the bottom wall of the annular platform (5).

5. The control ring maintenance ring platform for a hydroelectric generator unit as set forth in claim 1, wherein, The top of each support leg (3) is fixedly connected with one end of a fixed rod (303), and the other end of the fixed rod (303) is fixedly connected with the bottom wall of the annular platform (5).

6. The control ring maintenance ring platform for a hydroelectric generator unit as set forth in claim 1, wherein, The inner side column body of each support leg (3) is fixedly connected with a connecting rod (2).

7. The control ring overhauling annular platform of a hydroelectric generator unit according to claim 1, characterized in that, The top step rod (301) and the bottom step rod (302) of each support leg (3) are hollow structures, and the inner walls of the top step rod (301) and the bottom step rod (302) are spirally rotatable and communicated with the outer wall of each support column (8).

8. The control ring overhauling annular platform of a hydroelectric generator unit according to claim 7, characterized in that, The outer wall of each support column (8) is spirally rotatable and communicated with the threaded inner wall of the top step rod (301) and the bottom step rod (302) of the support leg (3).

9. The control ring maintenance ring platform for a hydroelectric generator unit as set forth in claim 1, wherein, The annular platform (5) is an aluminum alloy pattern plate.

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