Operating system and the performance of concrete pump
Operating system and the performance of concrete pump
Control concrete pump electrical control system there are five mechanical, hydraulic, electro-mechanical electrical control type, the programmable controller type, logic-controlled. In addition to installing the concrete pump electrical control system to complete the control tasks, manual control is also equipped with the operating system, it is also part of the system of control. If mechanical manipulation, generally bar system controls and flexible shaft 2015 trailer cement mixer with pump steering mechanism in two ways. If you compare the two is not difficult to find, flexible shaft control mechanism have more advantages, such as layout flexibility, high transmission efficiency, transition joints and small air travel less convenient travel regulation, so concrete pump control system The main shaft is to select the operating mechanism. According to actual needs, in truck's operating system should be able to achieve variable speed operation, and enables the joystick to stop at any position locking mechanism is operated stepless critical devices, generally you can use the disc springs or spring board. For ease of operation, joystick are designed to be installed at a convenient location, such as Putzmeister BSF36.09Z type pump, which controls the engine speed joystick mounted on the side of the ladder, the operation is very convenient. Concrete pump control system is mainly used to control the main pump flow and engine speed, thereby changing the concrete pump truck emissions. Such as the use of hydraulic control, it can get power directly from the hydraulic drive pump pumping systems, and to achieve through manual hydraulic control valve. There is a close relationship with the properties of concrete, while paying attention to the details of the rules in the course of operation, the timely detection and timely troubleshooting to improve pump efficiency. There are two methods to clean water pipes and gas wash. Whether water or air wash, should the valve housing and hopper clean. When washing, the water soaked cement bags and tied into a cylindrical cleaning ball has been put into clean cone tube, connected to the cone, pipe, close the discharge door, hopper filled with water again (to be kept Water constantly). Pumping water until cleaning ball ce mini portable cement mixer for sale out from the tip of the delivery tube so far. Gas wash or compressed air purging, is the first water-soaked cleaning ball into the air purge fitting, connect the first phase with adjustable pipe root straight, and at the end of the pipe connected to the safety cover, safety cover opening to down. Control air pressure does not exceed 0.8MPa, slowly open the valve when the concrete can flow smoothly before opening the air valve.
6, Belt Deflection
The breakdown showed three kinds of situations: First, the deviation to the same side of the conveyor belt are under no-load and load conditions, ie, transverse centerline deviation conveyor, conveyor belt material less biased side; the second is the conveyor belt left, Right deviation and no fixed direction; the third is in the middle of the entire conveyor belt conveyor belt conveyor deviation.
Basic injustice, Pinto roll sticky material, grooved rollers about unbalanced and active and passive roller conveyor regulate unbalanced unit may cause deviation. If you are wandering to the same side of the conveyor belt in the case of the no-load and load, indicating the tightness of the belt is not the same on both sides of the rack or uneven. In this case, the rack infrastructure should first leveling, clearing sticky material Pinto roller, adjustment screw or counterweight tensioning mechanism. If the belt about deviation no fixed direction, then the belt slack, adjust the tensioning mechanism. If the belt conveyor in the middle of deviation, can be corrected by adjusting the position of roller group, shown in Figure 1. Adjustment: If the conveyor belt to one side, the side should cheap cement mixer for sale in china conveyor idlers lateral move forward direction, the other side can also be moved back idlers (or the other side of the roller stand heightening appropriate) . Return idlers and carrying idlers adjusted the same way. For long belt conveyor system, adjust roller group is very effective. Idler pulleys adjustment is an important part of the belt deviation adjustment, the mounting position of the drum must be perpendicular to the conveyor conveying direction of the center line, or deviation inevitable. 2, if the belt deviation to its right side, it should be on the right side of bearing advance (or move left rear bearing); if the belt deviation to the left side of the drum, you should forward on the left side of the bearing (or right after bearing shift).
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