Optional parameters of the extended arm, application of the extended arm of the extended arm

Two-stage excavator extended boom machine weight and long boom configuration:

10-16 tons can be equipped with 13 meters excavator extended arm;

The weight of 20-22 tons can be equipped with a 15-meter excavator extended arm;

20-25 tons of machine weight can be equipped with 18 meters of excavator extended arm;

26-35 tons of machine weight can be equipped with 20 meters of excavator extended arm;

36-40 tons can be equipped with 22 meters excavator extended boom;

45-65 tons of machine weight can be equipped with 26 meters excavator extended boom;

Three-section excavator extended boom machine weight and long arm configuration:

12-15 tons of machine weight can be equipped with 12 meters of demolition extension arm;

16-22 tons of machine weight can be equipped with 14 meters of demolition and extension arm;

23-26 tons of machine weight can be equipped with 16 meters of demolition and extension arm;

The 30-ton machine weight can be equipped with an 18-meter demolition extension arm;

The 35-ton machine weight can be equipped with a 20-meter demolition extension arm;

The 40-ton machine weight can be equipped with a 22-meter demolition extension arm;

The 45-ton machine weight can be equipped with a 24-meter demolition extension arm;

Weight 12 tons 20 tons 25 tons 30 tons 35 tons 40 tons 45 tons Extended arm length 10 meters 18 meters 20 meters 22 meters 24 meters 26 meters 28 meters Extended arm weight tons 24 meters transport height meters 3 meters maximum plus length 15 meters 20 meters 22 meters 24 meters 26 meters 28 meters 30 meters.

It is precisely because the standard arm length of the excavator can not meet some working occasions, so more and more excavators are using the extension arm to fill this gap, such as the foundation engineering of deep pit operation, the construction and maintenance of high-altitude work building demolition or river cleaning, etc., the extension arm must be used to efficiently and quickly complete the indicators required by the project.

The continuous expansion of the city, the demolition of the old city. **Out of safety considerations, the relatively low floors were demolished for blasting, and the three-section extended arm was selected for demolition. The three-stage extension arm adds a middle arm on the basis of the original two-stage extension arm.

The mid-arm Sannatan can protect the driver's safety to a large extent. The three-section extended boom is used with a hammer or hydraulic shears for work.

The extension arm is generally made of Q345B steel to the eggplant, which has good strength and rigidity, and the shaft sleeve is generally made of 45 steel, inlaid with 40cr bushing, coupled with the lubricating butter, it greatly reduces the shear force generated by the shaft and the sleeve when it rotates frequently, thereby increasing the service life of the shaft sleeve. The extension arm is generally a box-type structure, that is, it is composed of two upper and lower cover plates and two wall plates on the left and right, and the buffer rib must be welded inside, and the buffer rib must be opened with an elliptical hole, so that the stress generated by the extension arm during the welding and working of the trembling branch can be better released, and the damage to the edge rubber made of the extension arm can be avoided.

The extension arm is a group of excavator front-end working devices specially designed and manufactured according to the requirements of working conditions in order to expand the working range of the excavator, and its connecting part must strictly conform to the connection size of the original excavator in order to facilitate the installation and use of the equipment.