This aspect you do not know crane

Crane attached to the anchor asked what

• ( 1 ) crane attached to the building , the force strength of its anchor point should meet the design requirements of the overhead cranes . Attached to the truss layout , spacing and attachment distance , the factory should perform manual requirements. There are changes , they should be designed .

• • ( 2 ) the installation of rods attached to the frame and attachment should be used theodolite tower vertical, and shall be attached to the lever to

adjust the anchor points below the highest verticality tolerance of 2/ 1000. ( 3 ) in the frame and attachment when attached to the cradle layout, attached rod tilt angle must not exceed 10 °.

• • ( 4 ) attached to the frame should be set in the tower section joints , tightening the tower . Tower on the corner without bracing should be reinforced

.• • ( 5 ) high tower connected to the lifting anchor spacing requirements , additional anchoring devices should be promptly and buildings.

manual hand chain hoistThe height of the tower above the free end of the anchoring device shall comply with the provisions of the factory .• • ( 6 ) crane parts operation process, should always check the anchoring device , found loose or unusual circumstances , should immediately stop

operating the fault persists, may not continue.• • ( 7 ) When removing the crane , the tower should be landed with the process of dismantling the appropriate anchoring device . Prohibited in the first

demolition of the tower before anchoring off the device .• • ( 8 ) In the event of more than six and windy , installing or removing the anchoring device is prohibited .• • ( 9 ) Install anchoring devices , disassembly, inspection and adjustment , shall have the person responsible for the work should wear a seatbelt and

helmet , and shall comply with the provisions relating to the safe operation of high places .• • (10 ) Attached rail cranes for use should increase the carrying capacity of rail -based travel agency and cut off the power , and should be set to block

movement of walking round bracket .

Lifting torque limiter performance and characteristics

• First, lifting torque limiter overload torque limit applies to all kinds of cranes on the range :4.2 -150 tons. Such as: car type, tire type, crawlers , port cranes, road , gantry crane and so on.

• Second, the main performance indicators:• 1 Ambient temperature: -20 to +60 degrees• 2 Relative humidity : ≤ 95%• 3 Input Power : AC220V DC24V ( specify when ordering other supply voltages users )• 4 Comprehensive error : ≤ ± 5%• 5 Display: character -type night crystal display lifting torque limiter switch• 6 alarm set points :• ( 1 ) Pre- alarm : When you reach the 90 % by weight of the nominal pre-alarm ( intermittent alarm yellow light )• ( 2 ) Delay alarm : overload alarm delay ( 0-5 seconds adjustable , continuous alarm red light ) , the relevant circuit off when it reaches 105% of rated

lifting weight.• ( 3 ) Immediately alarm point : When you reach the nominal weight of 110 % -150 % of the ( adjustable ) immediately overload alarm and cut off the

lifting loop and the loop amplitude decreased .• 7 Control: When the overload relay normally open contact turned the normally closed contact , and related power cut . ( Or normally closed contact

normally open contacts steering )• Three characteristics:• A choice of high-quality American AmClles 's weight sensor , overhead ladle crane with seismic waterproof , high accuracy, good stability , almost no

drift convenient installation , can be directly compression or tension .• 2 instrument uses 16 78E58B microcontroller as the host , its command function is strong, precise operation quickly . Large LCD using characters , the

shell closed , flat touch switches, soft membrane cotton board , automatic fully isolated outputs.• 3 weight signal inputs, a plurality of weight sensors can be input in parallel .• Choose 4 conditions : high low choice , with or without legs and other conditions choice.• 5 shows the amount of : ( converted by the panel function keys ) are the main, hanging hook to pay the amount , the rated lifting weight, the

percentage of torque , working radius , the number of arm angle , hook height , boom length display.• 6 According to user requirements increase : illegal operations recorded a total hoists , printing and other functions .• 7 according to user requirements corrosion rating to IP56, 25 ton mobile crane can be used at sea.