Bulldozer blade angle application and adjustment Li Siding 1. Bulldozer blade angle and its adaptable operating conditions Bulldozer blades usually have plane permit in the operation, tilt angle selection and shovel angle 7 basic angles attached.
The blade angle means the plane angle inclination angle, and the plane angle of the plane angle of the shovel angle means that the acute angle or right angle of the blade and the longitudinal axis of the bulldozer is attached in the horizontal plane.
Bulldozers are divided into fixed shovel bulldozers and movable shovel bulldozers according to whether the blade plane angle can be changed.
The blade of the fixed shovel bulldozer blade has a plane angle of 90 and is fixed, and its operation stability is good.
The blade angle of the blade of the movable shovel bulldozer can be adjusted within a fixed range.
When the blade is adjusted to the left or right within a horizontal plane, the side unloading can be referred to as slanting shovel. The slanting shovel is used for leveling the site to construct semi-digging and half-filling ground or other soil cutting operations in the slope section. When the angle between the blade and the longitudinal axis of the bulldozer is a right angle, it is called a positive shovel, and the positive shovel is used in the general case. Therefore, active shovel bulldozers can adapt to changes in terrain and application requirements, and applications are more and more extensive.
Tilt angle Tilt angle refers to the acute angle between the blade and the ground in the vertical plane. The blade is called the side scoop after being tilted at an angle within the vertical plane. The side scoop is mainly used for excavation of the road side ditch of the road arch type roadbed or to loosen the hard soil.
Scooping shovel angle is the angle of shovel shovel when the blade is supported on the ground, the acute angle between the blade and the ground is attached with 1 to change the size of the shoveling soil angle. When the blade level soil can be changed, the shoveling angle should be increased, and the shovel shovel 1 melon Grade soil should be turned down properly.
2. Adjustment method of the blade of the type 120 bulldozer blade The type 120 bulldozer is a movable shovel type bulldozer with a plane angle of 9 or ±65. The inclination angle is 0, 4.6. or it can make the knife angle of the knife higher. The angle of about 0300瞧1 and shoveling angle of 45.65 can be adjusted. The adjustment method is mechanical and more complicated. Before the adjustment, in order to facilitate the adjustment and ensure safety, the blade pusher should be supported by the wood, so that the height of the blade from the ground is about 400mm.
Adjust the adjustment angle of the Kezi plane angle by first pulling out the support pin on both sides from the support bracket hole of the pusher; when the left oblique shovel is required, turn the blade to the left by 65 and then the left support bracket. The pin is inserted into the rear pin boss hole of the push rack, and then the right stay pin is inserted into the front pin seat hole of the push rack; when the right shovel is required, the adjusting process is opposite to the above mentioned process. If you need to restore the shovel, you should first pull out the left and right seat pins and throw them into the seat pin holes on both sides of the pusher.
Adjust the tilt angle to achieve the desired tilt angle. Use a wrench to adjust the upper strut on the lower side and the upper strut on the other side. If the side scoop requirement cannot be satisfied after the length is adjusted, the lower strut will be adjusted so that the lower strut of the side to be lowered is elongated, and the lower strut on the other side is shortened.
If you need to increase the angle of shoveling when adjusting the shoveling angle, you can shorten the upper strut and lower the strut. If you need to reduce the angle of the shovel, you should shorten the upper strut to shorten the lower strut.
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