Troubleshooting and Diagnostics rope hoist

After the starter rope hoists , motor does not turn , can not lift heavy objects reasons
( 1 ) excessive overload
( 2 ) lower voltage than liftech winch hoist the rated voltage of more than 10%
( 3 ) The motor is faulty, broken wire or poor contact
( 4 ) the rear brake wheel and cover rust killed , brake wheel tied up
( 5 ) Motor sweep chamber
Workaround
( 1 ) does not allow overloading
( 2), the voltage returns to normal
( 3 ) Maintenance of electrical and wiring
( 4 ) Remove the brake wheel , cleaning corroded surfaces
( 5 ) the occurrence sweep chamber is mainly due to severe wear on the motor shaft support ring , rotor core axial displacement or displacement of the stator core , need to be removed liftech winch snatch block to replace the support ring , so that there is a uniform gap between the stator and rotor cone, each side is 0.35-0.55 mm wire rope hoist manufacturer or return repaired

Winding lifting equipment

Single rope winding hoist is a hoist earlier onset of its working principle is: the end of the rope to liftech cheap wire rope hoist enhance the two opposite directions , respectively, and fixed on the winding hoist two rolls , and the other end to bypass the derrick days on the wheel are connected with two lifting containers. Thus, by changing the direction of rotation of the drum motor can be hoisting rope winding and pine were put on two rolls , in order to achieve or enhance the decentralization of container to complete the task of enhancing purposes . Currently, single rope liftech winch hoist winding hoist use is more common in our mines . Single rope winding hoist is a hoist cylindrical roll , depending on the number of reels can be divided into two double rolls and single rolls .

Bucket wire rope hoist

Is a centrifugal chain bucket elevators , lifts the upper section of the machine is running with the part of the drive sprocket and chain tension with the lower section , the intermediate casing drives, check the braking device component . The hoist hopper arrangement is intermittent , hopper using the " Amoy emulated " for loading, use the " electric chain hoist centrifugal feeding method " to uninstall. The hoist suitable for conveying powder, small block of material shaped and non-abrasive materials , due to the traction hoist mechanism is endless chain , thus allowing conveying high temperature materials.
HL -ring chain centrifugal bucket elevator works : HL -ring chain centrifugal bucket elevator from moving parts ( hopper with traction chain ) , the upper section with a drive sprocket , tensioner wire rope hoist manufacturers wheel with the lower zone segment , the intermediate chassis, drive means and the check braking device and other components. Hopper The hoist is intermittent layout, use the " dig emulated " for loading, " centrifugal feeding Law" discharge. The traction hoist mechanism is two circular chains .

KITO 10 T - ring chain hoist

1 ) Power cable standard length of 10.0M.
 2 lift ( load chain ) , the length of the button control lines , power cables , such as within the standard specifications, please consult with the disadvantages of the company .
 3 ) Load chain after heat wind tubine hoist treatment, can not be spliced ​​, please note .
 4 ) chain bag made ​​of canvas bags as standard chain , steel chain bags are optional items.
 5 ) button controller comes standard with an emergency stop button. Press the emergency stop button can be easily cut wire rope hoist off the motor circuit .
 6 ) 2 while lifting it, please follow unilateral hoist rated load requirements can play up to the selected load hoist. 3 sets while lifting , please consult in advance with the rustic company .

Technical guidance for the safe use of electric hoist

Electric hoist chain hoist is divided into two kinds of electric wire rope hoists , commonly used in monorail cranes, jib cranes and crane on a dynamic single beam , because of its simple structure, easy manufacturing and maintenance, interchangeability, easy to operate, so widely used in the factory. If it's a safety device failure , improper use can cause injury or death . Therefore , electric hoist operator training in addition to the provisions for wells expel foreign holder must also strictly super-low electric chain hoist  observe the following rules:

( 1 ) should be carefully checked before starting the mechanical equipment , electrical, wire rope, hanging clamp, stopper is intact and reliable.

( 2 ) shall not be overloaded lifting. When lifting . Are not allowed to hold the rope in hand and asked object . Prevent access when hanging objects rise buildings .

( 3 ) When lifting an object , you must wire rope electric hoist comply with the safety rules rigger hook . Banding should be firmly in the sharp objects should be located at the notch liner protection.

( 4 ) the use of trailer wire electrical switches start. Insulation must be good. Correctly pushed the button , note standing position during operation.

( 5 ) monorail hoist track when cornering at or near the track at the end , you must slow down to run.

( 6 ) Where the operating room must have someone hoist operation , strict compliance with the traffic safety golden rules related work .

Aerial single manual hoist

Three pillars aluminum lift : three -mast platform supporting synchronous lifting , back support column structure with SSDHL Electric Chain Hoist platform with large load capacity and excellent job stability . Overall lift barrier device , strength, greatly reducing the overall height of the transport, handling is very convenient , can be completed by a lift assembly or disassembly. The lift carrying capacity, suitable for two people ( can carry a certain weight of tools and materials ) while climbing operations ; non-standard products can be customized according to the different environments in order to meet different needs.
Four pillars aluminum lift : The overall use of high-strength aluminum refining due to the high profile strength , with four masts column structure, excellent stability , flexible operation , carrying capacity, jib crane platform area , easy to implement . It is lightweight appearance, can play a maximum lifting capacity in a very small space. So lift and swing minimal deflection .
Walking aids dual mast lift : the ability to work in a different state , without an external power supply, mobile and flexible, easy to operate, lift freely, only one person can complete forward, backward , turn , fast , slow movements , such as walking up and down , labor, effort . Particularly applicable to railway stations, docks , airports , stadiums, and other large enterprises a wide range of high-altitude operations in the country is the best aerial equipment . The series dual mast lift system , with strong stability.

Electric single-beam bridge crane girder design

A factory workshop and based on the actual need to design a single girder crane with electric hoist, because single Hoist and trolley bridge crane girder is the main part of the design success or failure of the relationship between single girder bridge crane and security, thus girder design based on customer requirements. For the single girder crane with electric hoist from the customers the basic design parameters required: lifting weight Q = 3 t; Hoisting height H = 5 m; The span length L = 16.5 m. Girder cross section the choice of the form of single beam Manual block used electric hoist bridge crane beams as orbit of electric hoist, electric hoist running along the beams of the bottom flange. On the premise of meet the strength, stiffness and stability, small span of only a root i-beam girder, used only for lifting is not more than 50 kn, the span is not more than 11 m. To ensure the overall stability of the main girder and improve its stiffness, girder in the end beam should be set up between corner support, when necessary, set the horizontal truss, main girder and end beam welding connection. Main girder of a long-span steel composite beams or steel plates and beams is adopted to form the composite beams. Girder cross section forms in addition to the rolling or welding wide flange beams, other all use with the inside of the inclined flange beams. For large span should also set the level on the catwalk.

Qingdao Lee Chang- lifting machinery to wire rope winch out safety checks

Recently, the Qingdao Municipal Bureau of Quality Supervision Bureau , Lee Chang combine crane safety inspection activities carried out within the city , to take effective measures , to carry out special work of lifting machinery , and achieved remarkable results . It is reported that Lee Chang Branch has established a special crane safety chainb lock work leading group , Wang Bin , deputy director of the Bureau of the head of the relevant department in charge of human members , to develop a specific remediation program and held a lifting machinery installation, repair , transformation unit and key people responsible for the use of the topic will be on the remediation work for manual hoist deployment and scheduling, to ensure safe use of lifting machinery . The inspection focused content is one , in the case registered by lifting machinery ( including mobile crane ) , the periodic inspection and test cases found in the rectification of the problem ; 2 , cranes are manufactured and installed by permission qualification units ; 3 , the operating personnel are certified to operate, whether in the period ; 4 , lifting machinery to establish and improve the implementation of the use of units and special equipment safety management system . During the inspection, with a focus on the sort of focus on lifting machinery monitoring unit one by one , with gold online data verification , focusing on the regulatory filing individually lifting machine operators to ensure that gold online data adequately reflect the real device operation. Meanwhile, troubleshooting , monitoring inspection found , track and implement improvement on overdue rectification or rectification is not completed , according to the " Regulations on Safety Supervision of Special Equipment " , " crane safety monitoring requirements " and other relevant provisions dealt with .

Crane characteristics

Crane characteristics
Lifting weight of up to 2000 kg, a chainb lock of models and span orbit
, prefabricated modularization design is standard for extension and move more easily
15 cm thick, can be installed in any ordinary reinforced concrete on the ground
Enclosed track design can reduce the contamination of dirt and dust
Rigid fixed rail is more conducive to load location
, a high strength light weight high precision cold rolling forming of rails, rolling surface smooth, reduce the resistance of car manual hoist
, applicability is wide and can be applied in a lot of material handling environment
For a single unit of work, very affordable
Installation of portable, reduces the installation time and cost
The satisfaction of all, can increase the operating personnel
, realize safe operation environment
By improving the production efficiency, can realize fast return on investment

In the cement and other building materials enterprises

In the cement and other building materials enterprises, has been widely applied electric hoist. Grinding machine parts electric hoist sliding failure occurs frequently, to inconvenience inspection work. Now XianRong a simple and practical design of electric hoist line installation method. Electric hoist is installed in the cement and other building manual hoist enterprises, has been widely applied electric hoist. Grinding machine parts electric hoist sliding failure occurs frequently, to inconvenience inspection work. Now XianRong a simple and practical design of electric hoist slip line installation method.
1. Electric hoist is installed on the u-shaped track. In view of this characteristic, we put the wire in the middle of the track, upper joist. Wire rope using vertebral 10 mm or round hoist equipment wire rope, end with a flower basket bolts.
2. The slip ring for two ring clasp, have certain allowance, in order to avoid wire scratch CARDS. To ring for two rings bolts connected, free to roll.
3. Turned to a ring set on the wire at one end and leave a good motor lead rubber sleeve after fixed in turn ring bottom line. Then put multiple slide rings to wear on the wire at one end, and the rubber sleeve fixed in the slip ring bottom line segments. Front end to motor, are free to roll. After the termination on the power supply.
4. Under the traction of the motor to turn to ring for the central, traction rope make linear or circular motion. 5. Keep track of the above methods may be adopted.