Control Device for a Proportionally Adjustable Hydraulic
A control device apparatus for a proportionally adjustable hydraulic pump of a closed hydraulic circuit, including an axial piston pump adjustable from a zero position in two pivoting directions, with an electro hydraulic valve configuration for the activation of a piston of the hydraulic pump from both sides and with a feedback device, connected to the piston and whereby the angular pivoting
Hydraulic control device for concrete pump | Semantic Scholar
The utility model discloses a hydraulic control device for a concrete pump. The device comprises an oil tank part, a motor pump set, a valve set part and an actuating mechanism part, wherein the oil tank part comprises an oil tank, an oil suction filter, a liquid level gauge and an air filter, the motor pump set comprises a motor and a constant-power plunger pump, and the actuating mechanism
On the filter tray hydraulic mastic properties were investigated on the basis of PBR and their applicability for sealing joints in concrete channels liners and monolithic construction. Quality control of grouting carried out on samples that were extracted from the joints of concrete lining at various intervals of their stay in the water.
Hydraulic actuator-control arrangement for concrete pump
A hydraulic controlling and actuating system has a hydraulic source having a high-pressure side and a low-pressure side and a hydraulic Hydraulic actuator-control arrangement for concrete pump side and the three actuators for the two pumps and distributor pipe on the other side to synchronously operate these devices. The reversal of
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TORQUE CONTROL DEVICE FOR HYDRAULIC PUMP OF HYDRAULIC
The solenoid control valve 32 controls respective servo valves 22 for total horsepower control, thereby controlling the maximum suction torque of the hydraulic pumps 1, 2. As a result, even when the output power of a prime mover lowers, a reduction of the revolution speed of the prime mover can be suppressed at a high load.
CN201963534U - Hydraulic control device for concrete pump
The purpose of this utility model is to realize like this, a kind of concrete pump hydraulic control device, be by the fuel tank part, the electric-motor pump group, valve group part and actuator partly form, wherein fuel tank partly is by oil box, the oil suction oil purifier, level meter, air-strainer is formed, the electric-motor pump group is made up of motor and permanent power plunger
Hydraulic Concrete Pump - Concrete Mixer Pump With
Electric control system: Our electric control system of concrete pump hydraulic oil includes cabinet control and remote control, which can control the working process of whole equipment. Lubrication system: It has two main functions. One is to lubricate the pumping hopper. The other is to lubricate the pumping cylinder. Besides the function of each component, you should also learn its working
New 36 XXT truck mounted concrete pump from Liebherr Light
Sep 15, 2021 · Innovative technologies have been combined in a compact machine: The new 36 XXT truck mounted concrete pump combines the advantages of the new quintuple folding boom with the Powerbloc drive unit and the semi-closed oil circuit. The whole …
China Hydraulic Concrete Pump, Hydraulic Concrete Pump
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Stationary concrete pumps. Liebherr stationary concrete pumps provide high pump performance with low emissions. The pumps are particularly suitable for conveying concrete via concrete lines or concrete distribution systems. Customers can select the model suitable for their on-site applications from our wide range. Stationary concrete pumps.
507 spectrum1 - HYDRAULIC CONCRETE SPREADER CONTROL
PRODUCT DETAILS: ON-OFF and proportional concrete spreader control. Suitable for all brands of pumps, CE Certificated. Made in Germany and 2 year warranty compatible with HAWE valve. Automatic frequency selection. IP65 Protection class.
CN201661532U - Hydraulic pumping system of concrete pump
CN201963534U (en) Kefid: Hydraulic control device for concrete pump CN102606472B (en) Kefid: Pumping system and engineering machinery CN204003697U (en) Kefid: Hydraulic system of pump and pumping equipment CN203604293U (en) Kefid
Hydraulic pump control device for construction machine
Provided is a pump control device for a construction machine having a travelling motor (5,8), a working actuator (3,4,6,7) other than the travelling motor, and a variable displacement hydraulic pump (1,2). The device includes a pump regulator (22,23) changing a pump flow rate of the hydraulic pump (1,2), a pump pressure detector (24,25
1. electric motor. The control system is electric and fully automatic. When using the monitoring switch a spare function can be switched on additionally which enables a continuous working of the concrete pump at reduced engine speed upon breakdown of the control system or the senors. The number of strokes can be adjusted from minimum to maximum.