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When the indicator light for the power supply of the elevator is turned on， press the up button， and the motor rotates but the lifting platform does not rise. This may be due to the reverse connection of the three-phase power supply and the motor reversing. Simply replace any two phase lifting circuit.
6Check what materials are used for the main components of the equipment， whether the specifications are qualified， and whether they meet your own needs. Are all safety devices in place.
rRuthHow to choose the purchase of a lifting platform& mdash;& mdash; At present， when using such lifting platform equipment，Aluminum alloy hydraulic lifting platform the safety issue of the equipment is still of great concern，pearlAluminum alloy car mounted elevatorIndustry approaches vary mainly because such equipment will have safe and effective devices， especially the protective measures in the equipment， which directly protect the safety of personnel during operation and use. Therefore， such equipment effectively ensures the safety of use， Becoming a key choice for modern enterprises to use mechanical equipment.
Secondly， lets take a look at the characteristics of chain type lifting platforms: Chain type lifting platforms mainly rely on hydraulic systems to drive hydraulic cylinders through chain transmission to achieve lifting operations. Generally， a -ton cargo elevator uses A chains， and each chain usually has a test load capacity of tons. chains are about tons， far exceeding the actual load capacity. The safety factor can be imagined，Aluminum alloy hydraulic lifting platform and the lifting speed of hydraulic components is slow. If the hydraulic pump fails， the platform will remain stationary， There will be no danger; If the hydraulic pipe ruptures， the hydraulic oil will descend at normal speed， and the chain lifting platform will descend at normal speed without any danger. Hydraulic oil is the main working medium of hydraulic lifting platforms. During the management and storage process， otherwise it may cause damage to people or objects.
HxThe regulations on the use and management of cargo elevators allow for slight shaking， regulate the safe use and maintenance of daily (stage) cargo elevators， and ensure the safe operation of transmission. This regulation is formulated to transfer requirements: in order to ensure safety no one is allowed to enter the bottom of the elevator shaft， no goods are allowed to get on or off， no transfer is allowed outside the border fence，Aluminum alloy hydraulic lifting platform and no delay is allowed for the transportation of goods inside the capsule. When a large amount of goods need to be transported， Transportation should be carried out several times to ensure that there are no signs of excessive height or overweight. As shown in Figure ，pearlAluminum alloy car mounted elevatorIndustry approaches vary during the process of fault transfer operation， the emergency brake switch should be immediately pressed. Professional personnel should help solve the problem and action is strictly prohibited. Only one operator can be used for lifting and lowering cargo elevators. It is strictly prohibited for multiple people to use cargo elevators on different floors at the same time. When the second floor elevator must stop the cargo and lock it out of use.
There are many operational errors， it is easy to cause malfunctions and even mechanical accidents due to operational errors. How is a cargo elevator calculated? A cargo elevator is a type of lifting and lifting mechanical equipment that can manually operate the systems buttons to transport goods up and down. The lifting height of the cargo elevator ranges from meter to meters， and special specifications of cargo elevators can be customized according to user requirements According to the type， it can be divided into:; Scissor fork type cargo elevator and guide rail type cargo elevator. Guide rail type elevator is a non scissor fork type cargo elevator， mainly used for the transportation of goods between two or three floors of workshop buildings， steel structure workshops， hotels，Lifting platform - elevator - hydraulic lifting platform - elevator manufacturer basements， and warehouses without pits or machine rooms. Scissor fork type cargo elevators need to be prepared with pits in advance. When installing， the cargo elevator should be fixed and connected in the pit， and can be used by connecting the power supply The lifting cargo elevator utilizes hydraulic power units to generate pressure during operation， which drives the hydraulic oil cylinder as the main power to raise and lower the lifting cargo elevator platform. When a guide rail type hydraulic lifting cargo elevator malfunctions it can immediately stop running， with high safety and stability. The driving of the hydraulic power unit makes it have strong load-bearing capacity and smooth lifting， which can achieve the transportation of large tonnage goods
Secondly if the guide rail elevator is located in a region with distinct four seasons， it is particularly important to choose the corresponding seasonal products for lubricating the steel wire ropes of the guide rail elevator in order to achieve better lubrication effect.
jViscosity is an important indicator of hydraulic oil， with suitable viscosity and good viscosity temperature performance to ensure accurate and sensitive transmission of power under conditions of changing working temperature， and to ensure normal lubrication of hydraulic components. When the viscosity is too low， it is easy to cause hydraulic system leakage and prevent the hydraulic system from working properly. When the viscosity is too high， the efficiency of force transmission decreases， the flow speed of hydraulic oil decreases， and the lifting speed of the elevator decreases.
PDuring the operation of the third lifting stage， the vertical loads such as the dead weight and load of the elevator car are directly applied to the foundation of the pit through the oil cylinder， and the strength requirements for the shaft wall and top ground are relatively low. Pure brick or brick concrete structure shafts are sufficient.
KconsumptionSecondly， the quality of the oil cylinder is a major factor affecting the sinking amount. After loading， the pressure inside the oil cylinder is very high. If the processing accuracy of the oil cylinder is low or the sealing quality of the oil cylinder is poor， causing internal or external leakage of the oil cylinder， it will increase the sinking amount of the scissor fork hydraulic lifting platform. In order to reduce the impact of the oil cylinder， when selecting the oil cylinder， try to choose products from large manufacturers， and try to choose imported products for sealing parts to minimize the impact of the oil cylinder.
mPTransfer of goods between floors of rooms， restaurants， and restaurants. The low height is between -mm， especially suitable for workplaces that cannot excavate pits. And there is no need for upper lifting points， with diverse forms (single column， double column， four column)， stable equipment operation， simple and reliable operation， economic and convenient goods transmission， and difficult to solve narrow spaces that cannot reach the requirements. A customized delivery platform can be created， and the product hydraulic system is equipped with anti fall， upper and lower door interaction， and operation buttons can be set on each floor and lifting platform workbench to achieve multi-point. The product has a sturdy structure， a large load-bearing capacity， smooth lifting， simple and convenient installation and maintenance， making it an ideal and economical cargo conveying equipment for replacing elevators between low floors. The lifting stage device is mainly responsible for data processing of the operation mechanism and work bar of the vehicle. By calculating the safety area of the lifting stage， it is suitable for the electric control system of the self lifting stage lifting platform. The main sensors in the electric control system include angle sensors long angle sensors， dual axis inclination sensors， a hydraulic control one-way valve， also known as a hydraulic lock， is added to ensure safe self-locking in the event of unexpected hydraulic pipeline cracks. An overload sound control alarm is installed to distinguish between overload or equipment failure For the lifting platform， when we purchase it it is not already assembled， but we need to install it ourselves in the place we need it. So what should we pay attention to when installing it?
?? Hidden danger investigation relies on joint efforts from all aspects:?? Construction enterprises are the main responsibility for identifying hidden dangers in construction elevators. They should strengthen daily inspections and regular inspections， and carefully inspect the steel structure， safety protection devices， electrical devices， and transmission devices of construction elevators
how muchlSerious oil leakage from manual pump and gear pump; The gear pump is damaged， and the oil pumped out has no pressure; Insufficient hydraulic oil; Open circuit; Filter blockage; The action of the support valve or directional valve fails; Insufficient input voltage of electromagnetic coil; The electromagnetic coil is burnt out; The valve core is stuck. These are all factors that cause the lifting platform workbench to be weak or unable to lift. The solution is to replace the sealing ring， replace the gear pump， add enough hydraulic oil， repair the electrical system， repair or replace.
ZThe temperature system of Foshan guide rail lifting platform adopts a closed loop， with fast temperature adjustment and high system stability which can effectively ensure that the working temperature of hydraulic oil is within the allowable range of hydraulic oil. The guide rail lifting platform using this temperature system does not require changing hydraulic oil according to the season， and can use summer hydraulic oil all year round， reducing the maintenance work of the guide rail lifting platform.
In the design of hydraulic elevators， it is necessary to decompose the functions of the equipment required by the plan. It is necessary to understand which mechanisms can be used to complete these functions， how these mechanisms are combined and configured， what materials should be used for each part of the equipment， and how to organize the installation and debugging of the equipment. In addition， designers should also consider the operation mode of the cargo elevator and which power sources should be used， The transmission method to be adopted， whether the technical parameters are correct， and the requirements of the product are all indispensable in all aspects of the appeal， and must undergo strict and careful consideration. With the rapid development of technology， what are the principles of aluminum alloy lifting platforms? Next， lets introduce ourselves to you.
dRuthAll holes on high-altitude work vehicles and high-altitude work sites must be reinforced with solid covers， fences， or safety nets.
jPThe compression and wear of the coupling rubber block are normal and within the allowable range.
In order to ensure safe and reliable braking and prevent accidents， a hydraulic control one-way valve， also known as a hydraulic lock， is added to ensure safe self-locking in the event of unexpected hydraulic pipeline cracks. An overload sound control alarm is installed to distinguish between overload or equipment failure For the lifting platform， when we purchase it， it is not already assembled， but we need to install it ourselves in the place we need it. So what should we pay attention to when installing it?
