Lift quality appraisal

Lift freight elevator is a device that can lift or lower goods vertically. It usually consists of multiple platforms or containers and can carry goods for lifting and lowering. It is an important logistics equipment that can improve the efficiency and convenience of cargo transportation. The working principle of freight elevators is usually based on traction systems, hydraulic systems or scissor structures to achieve the lifting of goods.
In the case of freight elevator quality appraisal, Zhongke Testing can provide elevator quality appraisal services.

can be divided into cargo elevators, loading platforms, lifting platforms, etc. according to functions;
can be divided into unloaders, loading machines, etc. according to uses.

CB/T 3878-2011 Marine cargo elevator
JG 135-2000 Miscellaneous elevator
GB/T 24803.1-2009 Elevator safety requirements Part 1: Basic safety requirements for elevators
GB/T 7025.1-2023 Main parameters of elevators and types and dimensions of car, hoistway and machine room Part 1: Category I, II, III and VI elevators
GB/T 24803.2-2013 Elevator safety requirements Part 2: Safety parameters that meet the basic safety requirements of elevators
GB/T 7025.2-2008 Main parameters of elevators and types and dimensions of car, hoistway and machine room Part 2: Category IV elevators
GB/T 25856-2010 Safety specifications for the manufacture and installation of freight elevators only

When Y was using the freight elevator, the elevator suddenly started and he fell directly from upstairs to the first floor, causing Y to be injured.
was entrusted by the court to conduct an appraisal and analysis on "whether there are quality problems" in the lift freight elevator involved.
appraisal analysis results: The
appraisal analysis expert group discussed the relevant information and on-site investigation of the freight elevator involved in the case and conducted a comprehensive quality and technical analysis, and made the following suggestions and conclusions:
1) The cargo compartment of the elevator freight elevator involved in the case is semi-enclosed, and the maximum gap between the lintel and the sill is 60mm, which does not meet the requirements of the GB28755-2012 standard.
2) The case involved a lack of protection devices for the elevator freight elevator, specifically as follows: no protection device to prevent movement obstruction and no buffer protection device.
To sum up, the product involved in the case is a hydraulic simple lift for hoisting machinery, which belongs to special equipment (code 4870). Its various performance indicators need to meet the requirements of GB28755-2012 "Safety Regulations for Simple Lifts". However, the cargo compartment structure and safety protection device of the product involved in the case do not meet the standard requirements and have product defects.