Jiaozuo brake

The hydraulic brake is usually a locked motor with a brake wheel. It is a three-phase 380V small motor, and the YT1 thruster uses a contactor when the motor is about to work. If it is not a starting motor or a variable frequency motor, the working power can be connected in parallel with the motor to supply power to the brake motor. The motor rotates to drive the impeller, which uses hydraulic oil to push the hydraulic rod and open the brake.

Hydraulic holding brake, which provides a DC power supply to the holding brake coil when the motor is working. When there is current in the holding brake coil, an electromagnetic armature is generated to open the holding brake device. The holding brake is usually used in a constant holding state and only releases when powered on, so electrical control is generally simple. As long as the electromagnet power supply is connected in parallel with the motor power supply, the motor drives the rotor shaft and the impeller on the rotor shaft to rotate, generating pressure inside the piston. Under this pressure effect, oil is sucked from the upper part of the piston to the lower part of the piston, forcing the piston and the push rod and crossbeam fixed on it to quickly rise. By mechanically compressing the load spring through a lever (if the thruster or brake is equipped with a load spring), mechanical motion is generated.

When the power is cut off, the impeller stops rotating, and the piston rapidly descends under the force of the load spring and its own gravity, forcing oil to flow back into the upper part of the piston. At this time, it still returns to its original position through the lever mechanism.

Electric hydraulic thrusters are often used in conjunction with brake frames and are widely used for braking various transmission devices

Performance and structural characteristics

Ed series electric hydraulic thrusters

The Ed series thrusters are produced and manufactured using a complete set of design and manufacturing technology from the original West German EMG company, in accordance with DIN 15430 and JB/T10603-2006 standards in Germany

accurate The components of the Ed series thrusters are processed by CNC machining centers, from processing to assembly, with strict craftsmanship, complete testing, reliable performance, and lifespan

The experiment ensured the performance of the entire machine.

The aluminum alloy shell is fully sealed with a single push rod structure, with beautiful appearance, light weight, complete functions, excellent performance, and complete variety and specifications.

The motor is a non oil immersed structure with F-class insulation, good heat resistance, and long service life.

The motor junction box cover is equipped with a seal and uses a cable stuffing box for incoming lines, which is firm and reliable. The electrical protection level is IP65.

The motor shaft and push rod have undergone special surface treatment, greatly extending the service life of the sealing element.

The transmission part is all double sealed structure, with reliable sealing.

The Ed thruster oil cylinder shell is equipped with a balance chamber on one side, which can be installed and used within the range of 0-180 °.

Ed series thruster additional device Ed thruster can add additional devices according to user requirements to achieve the following additional functions: electric hydraulic thruster

Ed23/5, Ed30/5, Ed50/6, Ed80/6, Ed121/6, Ed201/6, Ed23/5, Ed30/5, Ed50/6, Ed80/6, Ed121/6, Ed201/6, Ed301/6

Mainly used as an operating component for the YWZ4, YWZ5, YWZ8, YWZ9, YWL.YW.YWZP series electric hydraulic block brakes. It is widely used in industries such as lifting transportation, metallurgy, mining, port electric hydraulic block brake ports, and construction.

Electric hydraulic thruster

Warning: The thruster should be reliably grounded according to electrical specifications! Attention: When wiring, cut off the power supply and erect a sign at the power switch that reads "Someone is working, do not switch on",

Until the wiring is completed.

When wiring, remove the connector box cover of the thruster (with wiring diagram on the back), and connect the three-phase power line (phase sequence not required) and grounding wire as required. Then cover the junction box cover and tighten the screws (see Figure 4). Note: The protection level of the thruster is IP65. The cable should enter the junction box through a stuffing box (the stuffing box needs to be provided by the user). There is a grounding screw inside and outside the junction box, and users can choose one grounding point as needed. The connection method (Y/△) of the motor stator winding has been completed before leaving the factory. Unless it is confirmed that the power supply does not match the connection method, do not change it arbitrarily. The specifications of the cable inlet hole and the wire used are as follows: Motor cable inlet hole (stuffing box TJ-16) M25 × 1.5. NPT3/4 "(NPT3/4" is used for products in North America and Canada). The connecting wire is 4 × 1.5mm2 (large 4 × 2.5mm2); Heater cable inlet hole M25 × 1.5. NPT3/4 "(NPT3/4" is used for products in North America and Canada), with a connecting wire of 2 × 2.5mm2.

Electric hydraulic thruster

3.5 Pusher oil

The thruster has been equipped with hydraulic oil according to regulations when leaving the factory. If the thruster has been stored for a long time (more than 6 months), screw out the plug (see Figure 1) before use to check whether the oil level is normal. If the oil level does not reach the specified level, hydraulic oil should be added to the specified level (see Figure 1), otherwise the thruster cannot work properly. The hydraulic oil grade can be found in Table 2 (Mobil, Shell, and other hydraulic oils equivalent to the grade in the table can also be used), and the hydraulic oil filled must not contain impurities or dirt (it should be filtered). When adding hydraulic oil, the push rod should be slowly pulled up and down several times to remove air from the hydraulic cylinder and ensure sufficient oil is added.

ambient temperature

-25 ℃~+50 ℃ -45 ℃~+50 ℃

Hydraulic oil grade DB-25 DTE-21 (Mobil) HL-10 YH-10 DB-45

Multiple thrusters