The static load test shall be carried out according to the following procedures and requirements. Park the crane at the column. Chekutanga, 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. Kazhinji kutaura, issues can arise from design, kugadzira, transportation, kuiswa, and use. (1) The Impact of Unreasonable DesignIn the past, China followed the Soviet standards. The static stiffness of the main girder […]

Pasinei nerudzi rwemichina, mafuta ekuzora akasiyana anorambidzwa kusanganiswa kuti ashandiswe, uye zvinoderedza hazvina mutsauko. Zvekuderedza, nzvimbo dzepuragi yezinga remafuta, drain plug, uye kufema kunotemerwa nenzvimbo dzadzo dzekuisa. Kana zvasvika pakushandisa, kuongorora, uye kuchengetedzwa kwemafuta ekuzora mune zvinoderedza, […]

(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 madhigirii, 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. […]

Kuiswa kwema crane tracks ibasa rakakosha rinoona kurongeka kwakaringana uye kushanda kwema crane epamusoro.. Matanho anotevera akadzama anotsanangura maitiro ekuisa: 1. Mutsetse Kumaka Kushandisa crane girder's positioning axis sereferensi, shandisa theodolite kumisikidza mapoinzi ekutanga. Pachinhambwe che60mm kubva panzira yepakati, […]

Nhanganyaya Kugadzika chinhu chakakosha chekuchengetedza crane, kuve nechokwadi chekuchengetedzwa kwevashandi nemidziyo kubva munjodzi dzemagetsi. Kudzika kwakakodzera kunoderedza njodzi dzekuvhunduka kwemagetsi, moto, uye kukuvara kwemidziyo nekupa nzira yakavimbika yekuti mafungu emagetsi ayerere zvakachengeteka munyika. Gwaro iri rinopa tarisiro yakazara yezvinodikanwa zvepasi […]

I. Akabatana Zviratidzo zveVashandi uye Signal Vashandi veGantry crane vanoshanda uye vashandi vechiratidzo vanofanirwa kushandisa masaini akaenzana uye akabatana kuti ave nechokwadi chekukurukurirana kwakanaka uye kubatana.. Vashandi vanofanira kukwira kana kudzika muimba yekutonga vachishandisa manera akasarudzwa. Asati abatanidza magetsi, mutongi anofanira kushandurirwa kunzvimbo isina kwayakarerekera. Iyo kabhini pasi inofanira […]

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 […]

I. 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. Naizvozvo, the safety issues of lifting equipment have always been emphasized by relevant departments. The moment limiter is one of […]