Adaptor Mast From 2m K60 To 1.6m L40

Se discute el cable roto al final del cable de grúa de torre inferior

El cable roto en el extremo del cable de la grúa torre es un problema común en la operación de la grúa torre. ¿Cómo evitar que aparezca este tipo de circunstancia, tomar medidas de protección por adelantado? Cuando se rompe el cable en o cerca del extremo del cable, incluso una pequeña cantidad indica un alto esfuerzo en esta parte, que puede ser causado por una instalación incorrecta del extremo del cable.

Si la longitud de la cuerda lo permite, las partes rotas deben cortarse y reinstalarse correctamente. Hay dos cajas principales de rotura de cables al final del cable de la grúa torre

1 aumento de la tasa de cables rotos

En algunas aplicaciones, la fatiga es la causa principal del daño del cable, el cable roto se está utilizando después de que comenzó a aparecer un período de tiempo, pero el número de cables rotos aumentó gradualmente, el intervalo de tiempo es cada vez más corto.

En este caso, para determinar la tasa de aumento de cables rotos, el aumento de cables rotos se debe examinar y registrar cuidadosamente. La determinación de esta regla se puede utilizar para determinar la fecha futura de la chatarra de cable.

Adaptador 2m K60 A 1.6m L40

2. Agregación local de alambres rotos.

Si los cables rotos se juntan para formar una agregación local, el cable debe ser desechado. Si los cables rotos se concentran en la longitud del cable inferior a 6d, o se concentran en cualquier hebra de cable, el cable se desechará incluso si el número de cables rotos es inferior al valor indicado.

Adaptador 2m K60 A 1.6m L40

Tower Crane Knowledge sharing：

Maintenance of hydraulic climbing system of tower crane

Oil and grease according to the lubrication table and clean the inside of the oil tank.

After the pressure of the overflow valve is adjusted, it shall not be changed at will. Before each climb, check whether the pressure is normal with the oil pressure gauge.

3 should often check whether the pipe joint of each department is tight, no oil leakage phenomenon.

Adaptor Mast From 2m K60 To 1.6m L40

4. Oil filter should be checked frequently for blockage, and the tower crane should check whether the adjustment value of the safety valve changes after use.

Oil pump, cylinder and control valve should be repaired in time if oil leakage is found.

6. When starting the oil pump for the first time after final assembly and overhaul, check whether the inlet and outlet are connected to each other, whether the rotation direction is correct, and whether there is air leakage in the suction pipeline.

 Then test the oil pump by hand, and finally start and test the oil pump within the specified speed.

When the tower crane is started in winter, it should be opened and closed for several times. The tower crane will not be officially used until the oil temperature rises and the control valve ACTS flexibly.

Adaptor Mast From 2m K60 To 1.6m L40

broken wire at the end of lower tower crane wire rope is discussed

Broken wire at the end of tower crane wire rope is a common problem in tower crane operation. How to avoid this kind of circumstance to appear, do protective measure in advance? When wire breakage occurs at or near the end of the rope, even a small quantity indicates a high stress in this part, which may be caused by improper installation of the end of the rope.

If the length of the rope allows, the broken parts should be cut off and re-installed properly. There are two main cases of wire breakage at the end of tower crane wire rope

1 increase rate of broken wires

In some applications, fatigue is the main cause of wire rope damage, broken wire is in use after a period of time began to appear, but the number of broken wire gradually increased, the time interval is getting shorter and shorter.

In this case, in order to determine the rate of increase of broken wires, the increase of broken wires should be carefully examined and recorded. The determination of this rule can be used to determine the future date of wire rope scrap.

Adaptor  2m K60 To 1.6m L40

2. Local aggregation of broken wires

If the broken wires close together to form a local aggregation, the wire rope should be scrapped. If the broken wires are concentrated in the length of the rope less than 6d, or concentrated in any rope strand, the wire rope shall be scrapped even if the number of broken wires is less than the listed value.

Adaptor  2m K60 To 1.6m L40