The static load test shall be carried out according to the following procedures and requirements. Park the crane at the column. Pertama, start the hoisting mechanism to conduct no-load lifting and lowering operations, and make the trolley run back and forth along the whole journey. This no-load trial operation shall be carried out no less […]

The winter maintenance of construction machinery is of great significance. Especially in the northern regions where winters are long and the temperature remains low for extended periods. When construction machinery is used in winter, the cold climate can easily lead to difficulties in starting internal combustion engines, freezing of cooling water and electrolyte, intensified wear […]

The reasons for the downward deflection of the main girder of overhead cranes are multifaceted and should be analyzed according to specific circumstances. Generally speaking, issues can arise from design, manufaktur, transportation, installation, and use. (1) The Impact of Unreasonable DesignIn the past, China followed the Soviet standards. The static stiffness of the main girder […]

Terlepas dari jenis mesinnya, minyak pelumas yang berbeda dilarang dicampur untuk digunakan, dan reduksi tidak terkecuali. Untuk reduksi, posisi sumbat level oli, sumbat pembuangan, dan pernafasan ditentukan oleh lokasi pemasangannya. Ketika datang ke penggunaan, inspeksi, dan pemeliharaan minyak pelumas di reduksi, […]

(1) Requirements for Elastic Base Plates The elastic base plates are made of rubber sheets, and their properties should meet the following requirements: a Shore hardness of 70 – 80 derajat, a tensile strength greater than 130 kg/cm², an elongation at break greater than 300%, and a compressive elastic modulus of 700 – 1200 kg/cm². […]

Pemasangan jalur derek merupakan proses penting yang memastikan keselarasan dan pengoperasian derek di atas kepala dengan benar. Langkah-langkah rinci berikut menguraikan prosedur instalasi: 1. Penandaan Garis Menggunakan sumbu posisi gelagar derek sebagai acuan, gunakan teodolit untuk menetapkan titik dasar. Pada jarak 60mm dari garis tengah lintasan, […]

Pendahuluan Pembumian merupakan aspek penting dalam keselamatan derek, memastikan perlindungan personel dan peralatan dari bahaya listrik. Pengardean yang tepat mengurangi risiko sengatan listrik, api, dan kerusakan peralatan dengan menyediakan jalur yang dapat diandalkan bagi arus listrik untuk mengalir dengan aman ke dalam bumi. Panduan ini memberikan gambaran komprehensif tentang persyaratan grounding […]

SAYA. Sinyal Terpadu untuk Operator dan Personil Sinyal Operator gantry crane dan personel sinyal harus menggunakan sinyal standar dan terpadu untuk memastikan komunikasi dan koordinasi yang efektif. Operator harus naik atau turun kabin kendali menggunakan tangga yang telah ditentukan. Sebelum menggunakan catu daya, pengontrol harus diputar ke posisi netral. Lantai kabin seharusnya […]

Proper lubrication and maintenance of the crane’s walking mechanism are critical for ensuring the equipment’s longevity, reliability, and safe operation. This document provides comprehensive guidance on the lubrication and care of the crane’s walking components, including the reduction gears, wheel bearings, and open gear systems. Initial Setup and Reduction Gear Lubrication When the walking mechanism […]

SAYA. Importance of Moment Limiters in Crane Safety Lifting equipment is a type of machinery with relatively high risks at construction sites. Once an accident occurs, it often leads to severe consequences with multiple casualties. Karena itu, the safety issues of lifting equipment have always been emphasized by relevant departments. The moment limiter is one of […]