電動(dòng)單梁起重機(jī)

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LDA型電動(dòng)單梁起重機(jī)

    LDA型電動(dòng)單梁起重機(jī)是在“LD”的基礎(chǔ)上進(jìn)行設(shè)計(jì)改進(jìn)的，較“LD型”具 有結(jié)構(gòu)合理，整機(jī)剛性強(qiáng)的特點(diǎn)。本系列起重機(jī)所配電動(dòng)葫蘆有兩種型號(hào):CD1型,起升速度8m/min;MD1型為雙葫蘆,起升速度為8m/min和0.8m/min，是一種輕小型的起重機(jī)機(jī)械,其起重量為1t-10t?？缍葹?/span>7.5-22.5m，工作級別為A3-A5，工作環(huán)境溫度為-25-40oC。
　　本系列起重機(jī)適用于金工車間,裝配車間,維修車間和各類倉庫及其它場合,也可用于冶金,鑄造車間作輔助吊運(yùn).考慮防風(fēng),防雨要求并改進(jìn)設(shè)計(jì)后,也可用于露天場合.本系列起重機(jī)均使用三相380V,50Hz電源.
本系列起重機(jī)不太適合以下工作環(huán)境.
A,有爆炸危險(xiǎn)和火災(zāi)危險(xiǎn)的環(huán)境.
B,相對濕度大于85%的場所和充滿腐蝕性氣體的環(huán)境
C,吊運(yùn)熔化金屬,有毒產(chǎn)品和易燃易爆物品.

　　本產(chǎn)品設(shè)有地面和操作室兩種操作形式。 操縱室有開式、閉式兩種，可根據(jù)實(shí)際情況分為左或右面安裝兩種形式，入門方向有側(cè)面及端面兩種，以滿足用戶在各種不同需要的情況下進(jìn)行選擇。

Operation rules of double beam bridge crane
1 before work
A. on the brake, hook, wire rope and safety devices and other components according to the requirements of inspection inspection, found abnormal phenomenon, should be excluded.
The B. operator must confirm the catwalk or orbit unmanned, before closing the main power supply. When the power supply circuit breaker locking or sign, should take relevant people from the rear closing the main power supply.
2 work
The A. class first lifting weights (or load reached the maximum weight), should be lifted from the ground height of 0.5 meters, the weight down again, check the brake performance, the confirmation of reliable, then normal operation.
The B. operator in the operations, according to the provisions of the following operation rang alarm.
The hoisting, landing weight; start big, car driving.
The crane traveling in the line of sight is not clear through, to continuous rang alarm;
The crane span running close to another machine.
The lifting weights personnel.
According to the unified command signal shall C. operation.
Sudden power D. work, should be the controller handle at "all zero", return to work should be checked before crane movement is normal.
C. crane, trolley in normal operation, is strictly prohibited on anti vehicle parking brake; transform, motion direction, must handle in "zero", make the mechanism stops completely, can reverse drive.
D. has two hook crane, in the main, auxiliary hook and the two hook height change with time is similar, main, auxiliary hook must work independently to avoid collision, two hook.
The crane not E. two hooks two hook and hanging two objects; do not work in the case of hoisting mechanism brake adjustment.
F. no use limit position for parking, is strictly prohibited in the case of a load of hoisting mechanism brake adjustment.
G. strict implementation of the "ten not hanging" system:
The command signal is not unknown or arbitrary command;
Don't hang the rated lifting weight more than;
The sling used unreasonable or not in prison without hanging the hanging object bundle;
The hanging on someone or other floating objects are not;
The brake or other braking safety device failure;
Without lifting the vehicle weight hanging directly processing;
The slanting pull over not hanging;
The explosive objects without hanging;
The buried object does not pull the crane;
The angular piece of export objects, not pad is hanging;
H. such as abnormal, immediately shut down, check the reason and excluded in a timely manner.
3 after work
A. will hook up to a certain height, cart, car parked in the designated position, the controller handle at "zero" position; pull off protective box switch handle, cut off the power supply.
B. daily maintenance.
C. do shift work.

Crane operation 4 single girder bridge

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