CN-121974277-A - Overhauling platform for gate hydraulic cylinder

Abstract

The invention discloses an overhaul platform for a gate hydraulic cylinder, which comprises a hydraulic cylinder, an overhaul platform, a guard rail and a lifting assembly, wherein the hydraulic cylinder stretches and contracts in the up-down direction, the overhaul platform is arranged on the hydraulic cylinder in a penetrating manner, extends around the circumference of the hydraulic cylinder, is movable in the up-down direction relative to the hydraulic cylinder, is used for an overhaul worker to overhaul the hydraulic cylinder, the guard rail is arranged on the overhaul platform and extends in the circumference of the overhaul platform, the guard rail is used for forming safety protection for the overhaul worker, the lifting assembly is connected with the overhaul platform, and the lifting assembly is used for lifting the overhaul platform to move in the up-down direction. The overhaul platform for the gate hydraulic cylinder has the advantages of simple structure, high overhaul efficiency and the like.

Inventors

• SHU YUMING
• YANG TONG
• ZHAO PEIYU
• PU WENJIN
• JIANG JIAJUN
• SUN GUIXUN
• LI CHANGXU
• DENG SHUANG
• MA JIANXIAO
• WANG ZEYUE
• XU CHEN
• WANG JIANG
• ZHAO LONG
• DONG YUBO
• LUO CHAOYU
• BI HANWEN

Assignees

• 华能澜沧江水电股份有限公司

Dates

Publication Date

20260505

Application Date

20260213

Claims (10)

1. 1. An inspection platform for a gate hydraulic cylinder, comprising: the hydraulic oil cylinder stretches and contracts along the up-down direction; The maintenance platform is arranged on the hydraulic cylinder in a penetrating manner, extends around the circumference of the hydraulic cylinder and is movable relative to the hydraulic cylinder in the up-down direction, and is used for maintenance staff to carry out maintenance operation on the hydraulic cylinder; the guard rail is arranged on the overhaul platform and extends along the circumferential direction of the overhaul platform, and the guard rail is used for forming safety protection for the overhaul personnel; And the lifting assembly is connected with the overhaul platform and is used for lifting the overhaul platform to move up and down.
2. 2. The service platform for a gate hydraulic cylinder according to claim 1, wherein the service platform comprises a mounting frame and a plurality of support plates, the mounting frame is sleeved on the service platform, and the plurality of support plates are sequentially arranged on the mounting frame along the circumferential direction of the hydraulic cylinder through fasteners.
3. 3. The service platform for a gate hydraulic cylinder according to claim 1, further comprising a plurality of guide members, wherein the plurality of guide members are provided on the service platform and are provided adjacent to the hydraulic cylinder, the plurality of guide members are provided in order along a circumferential direction of the hydraulic cylinder, and an inner circumferential surface of the guide members is slidably connected with an outer circumferential surface of the hydraulic cylinder.
4. 4. A service platform for a gate hydraulic cylinder according to claim 3, wherein the guide member is a guide wheel extending in an inner-outer direction, the guide wheel being provided on the service platform and rotatable relative to the service platform in an axial direction of the guide wheel.
5. 5. A service platform for a gate hydraulic cylinder according to claim 3, wherein the cross-sectional area of the guide member is gradually reduced from the end portion of the guide member to the middle portion of the guide member, and the outer peripheral surface of the guide member is provided with a protective layer of rubber or silica gel material so that the outer peripheral surface of the guide member is fitted to the outer peripheral surface of the hydraulic cylinder.
6. 6. The service platform for a gate hydraulic cylinder of claim 1, wherein the plurality of lifting assemblies are arranged at intervals along the circumference of the service platform and are connected with the service platform, so that the plurality of lifting assemblies lift the service platform.
7. 7. The service platform for a gate hydraulic cylinder according to claim 1, wherein the lifting assembly comprises a lifting motor, a first wire rope and a fixed pulley, the fixed pulley is suitable for being arranged above the service platform, the lifting motor is suitable for being arranged on the ground below the service platform, one end of the first wire rope is connected with the lifting motor, and the other end of the first wire rope penetrates through the fixed pulley to be connected with the service platform, so that the lifting motor pulls the service platform to move in the up-down direction through the first wire rope.
8. 8. The service platform for a gate hydraulic cylinder of claim 1, further comprising: The plurality of second steel wire ropes are sequentially arranged along the circumferential direction of the overhaul platform, the lower ends of the second steel wire ropes are suitable for being connected with the ground, the upper ends of the second steel wire ropes are connected with the overhaul platform, and the second steel wire ropes have a first tensioning force for pulling the overhaul platform to move downwards; the plurality of third wire ropes are sequentially arranged along the circumferential direction of the overhaul platform, one end of each third wire rope is arranged on one side of the protective guard, the other end of each third wire rope is connected with the protective guard, and each third wire rope has a second tensioning force for pulling the protective guard to move outwards.
9. 9. The service platform for a gate hydraulic cylinder of claim 1, further comprising a detection assembly disposed on the service platform for detecting a weight on the service platform.
10. 10. The service platform for a gate hydraulic cylinder of claim 1, further comprising a ladder stand disposed at a bottom of the service platform.

Description

Overhauling platform for gate hydraulic cylinder Technical Field The invention relates to the field of overhaul, in particular to an overhaul platform for a gate hydraulic cylinder. Background The gate hydraulic cylinder is a core driving part of water-friendly facilities such as a sluice, a dam, a ship lock and the like, and the working state of the gate hydraulic cylinder is directly related to the safe and stable operation of the whole engineering. In the related art, the gate hydraulic cylinder has high maintenance cost and low maintenance efficiency. Disclosure of Invention The present invention has been made based on the findings and knowledge of the inventors regarding the following facts and problems: In the related art, when the hydraulic cylinder is overhauled, the hydraulic cylinder needs to be integrally disassembled and transported to a professional workshop, large-scale hoisting and transporting equipment is needed, the hoisting and transporting cost is high, the disassembly and assembly process is complex, and the time is consumed for a long time. In addition, the gate hydraulic cylinder is vertically arranged, the on-site overhaul space is limited, a temporary large scaffold is required to be erected or an overhead working truck is used, but the problems that the scaffold ① is complicated to erect and disassemble, the hydraulic steel gate structure is difficult to firmly fix, the stability is poor, the potential safety hazard is large, the overhead working truck ② is difficult to transport to the site, the area of a working basket is small, overhaul tool parts cannot be contained, the operation space is not fully surrounded, the operation range is limited, the scaffold ③ is required to be erected and constructed for a large amount of time, the material is transported and the construction and the disassembly are completed, the overhaul efficiency is low, and ④ overhaul reworks easily influence the coaxiality of the connection of the cylinder and the gate due to repeated disassembly, aggravate equipment abrasion, cause sealing failure and influence the equipment precision are solved. The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides an overhaul platform for a gate hydraulic cylinder, which has high overhaul efficiency and low cost. The overhaul platform for the gate hydraulic cylinder comprises a hydraulic cylinder, an overhaul platform, an overhaul assembly and a lifting assembly, wherein the hydraulic cylinder stretches up and down, the overhaul platform penetrates through the hydraulic cylinder and extends around the circumference of the hydraulic cylinder, the overhaul platform is movable up and down relative to the hydraulic cylinder and is used for overhauling the hydraulic cylinder by an overhaul personnel, the guardrail is arranged on the overhaul platform and extends along the circumference of the overhaul platform and is used for forming safety protection for the overhaul personnel, and the lifting assembly is connected with the overhaul platform and is used for lifting the overhaul platform to move up and down. According to the overhaul platform for the gate hydraulic cylinder, disclosed by the embodiment of the invention, the overhaul platform, the guard rail and the lifting assembly are arranged, and the overhaul platform and the lifting mechanism are matched to transport an overhaul worker to the corresponding height position according to the overhaul operation requirement of the hydraulic cylinder, so that the overhaul worker can conveniently carry out overhaul operation on different parts of the hydraulic cylinder. In some embodiments, the maintenance platform comprises a mounting frame and a plurality of support plates, wherein the mounting frame is sleeved on the maintenance platform, and the support plates are sequentially arranged on the mounting frame along the circumferential direction of the hydraulic cylinder through fasteners. In some embodiments, the overhaul platform for the gate hydraulic cylinder further comprises a plurality of guide members, the guide members are all arranged on the overhaul platform and are arranged adjacent to the hydraulic cylinder, the guide members are sequentially arranged along the circumferential direction of the hydraulic cylinder, and the inner circumferential surface of the guide members are connected with the outer circumferential surface of the hydraulic cylinder in a sliding manner. In some embodiments, the guide is a guide wheel extending in an inner-outer direction, the guide wheel being disposed on the service platform and rotatable relative to the service platform in an axial direction of the guide wheel. In some embodiments, the cross-sectional area of the guide member gradually decreases from the end portion of the guide member to the middle portion of the guide member, and the outer circumferential surface of the gu