Service conditions for electric hydraulic thrusters1. Environmental air temperature: -25 ℃~+50 ℃.2. There should be no flammable, explosive, or corrosive gases in the surrounding working environment, and the relative humidity of the air should not exceed 90%.3. The three-phase AC power supply is 380V 50Hz, and the voltage fluctuation should not exceed ± 10% of the rated value.4. The altitude of the location of use is only 2000m.5. Applicable working system: Continuous working system (S1) and intermittent cycle working system □ Installation and adjustment of brakes
time:2023-06-17
MoreWhen the electric hydraulic brake is energized, the electric motor drives the rotor shaft and the impeller on the rotor shaft to rotate, generating pressure inside the piston. Under this pressure, 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 rise rapidly. 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.Characteristics of electric hydraulic brakes:With the continuous use of various electrical equipment in daily life, it has brought many conveniences to everyone, especially for machines and equipment equipped with drive and control devices, which are not only widely used, but also very convenient in the process of use. During this period, the electric hydraulic thruster is a compact layout of driving and control equipment that integrates motors, centrifugal pumps, and oil cylinders, and is widely used. Therefore, the main characteristics of the electric hydraulic thruster are as follows:1. The layout of the electric hydraulic thruster is simple and the volume is relatively small, which will reduce the occupied area of the thruster. Therefore, there are many categories and professions to use, and the application is sensitive.2. Electric hydraulic thrusters are usually manufactured using aluminum alloy materials, which have outstanding anti-corrosion features and excellent underwater impact force, making their use more convenient, convenient, and agile.
time:2023-06-17
MoreWhat is an electric hydraulic thrusterWhen the electric hydraulic thruster is powered on, the electric motor drives the rotor shaft and the impeller on the rotor shaft to rotate, generating pressure inside the piston. Under this pressure, 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 rise rapidly. 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.Characteristics of electric hydraulic thrusters:With the continuous use of various electrical equipment in daily life, it has brought many conveniences to everyone, especially for machines and equipment equipped with drive operation and control equipment, which are not only widely used, but also very convenient in the application process. During this period, the electric hydraulic thruster is a compact layout of drive operation and control equipment that integrates motors, centrifugal pumps, and oil cylinders, and is widely used. Therefore, the main characteristics of the electric hydraulic thruster are as follows:1. The layout of the electric hydraulic thruster is simple and the volume is relatively small, which will reduce the occupied area of the thruster. Therefore, there are many categories and professions to use, and the application is sensitive.2. Electric hydraulic thrusters are usually manufactured using aluminum alloy materials, which have outstanding anti-corrosion features and excellent underwater impact force, making their use more convenient, convenient, and agile.
time:2023-06-17
MoreCharacteristics and advantages of electric hydraulic disc brakeThe sturdy steel brake arm and base make the brake have less deflection during operation and less idle loss.The optimized geometric design of the lever ensures that it is not affected by the rotation direction and can achieve greater braking torque within a limited lever ratio.The square coil spring component is equipped with a torque scale for torque adjustment, which is more simplified, safe, and reliable.A special brake pressure spring with the smallest possible spring constant can fully utilize aerodynamic force to improve performance during normal release.Lightweight metal brake shoes are sturdy and durable, with high-quality friction pads with stable friction coefficient, free of asbestos and metal components, environmentally friendly and durable.The special clamping spring fixes the brake shoe in the appropriate position and adopts a special barrier free design, making the replacement of the brake shoe more convenient and fast.All main rotating parts are equipped with maintenance free shaft sleeves.The brake shoe support arm can rotate.Key components such as pull rods, springs, and pins are made of stainless steel imported from Germany.Standard components are all galvanized to improve corrosion resistance.Equipped with precise automatic compensation devices, it can provide certain compensation for the wear of friction plates.Adopting an equal distance mechanism to ensure synchronous braking on both sides and balanced braking force.Arm disc brake 3Ideal brake and emergency brake for container crane, ship unloader, steel casting crane, hydropower bridge crane, Boat lift, cable crane and other equipment.Technical advantages:1. All hinge points and shaft pins are tightly matched and self lubricating shaft sleeves are used.2. The pins are all acid resistant and can reach up to 850 ° C.7. Automatic compensation for friction plate wear can reduce maintenance times.8. The boom adopts an equal torque mechanism, and the gap on both sides is equal when releasing the brake.Features:1. The braking force increases by more than 70% compared to ordinary designs.2. Use low elasticity coefficient springs to improve the efficiency of brake release force.3. Due to the use of spring force as the center, the brake arm is no longer subjected to bending force, thereby extending the lifespan of the shaft sleeve and improving transmission efficiency.4. The lever plate provides the required load for the system and protects the hinge points and pull rods at the upper end from erosion and damage.5. The standard design is equipped with a new generation of equal backlash device from the Sieber, which eliminates the need for manual adjustment to meet the equal clearance of the gasket and achieves automatic alignment.6. Compact and reliable exterior design.7. Divided into left and right hand designs, with a central layout.
time:2023-06-17
MoreWhat are the advantages of pneumatic hydraulic disc brakes?1. In operation, the reaction speed is about 40% faster than that of magnetic particle brakes.The dynamic torque transmitted is about 50% greater than that of the magnetic powder brake.3. The service life of the friction plate is about 6 times that of the magnetic particle brake. 5. The heat dissipation capacity of the heat pipe is about 40% higher than that of the magnetic particle brake.Overview of pneumatic hydraulic disc brake: QP (CQP) series pneumatic disc brake is mainly used for braking and deceleration of various mechanisms in hoisting, transportation, metallurgy, mining, port, construction and other machinery. Usage conditions: Environmental temperature: -5 ℃ -40 ℃ Working pressure: 5-7bar for QP series; The CQP series is ≤ 7bar. Outdoor rain and snow erosion or corrosive gases and media should be corrosion-resistant products. The air source should not contain oil, water, or other impurities.Main features of pneumatic hydraulic disc brake: QP series is spring brake and pneumatic release; The CQP series is pneumatic braking with spring release. The overall structure is simple, small in size, and lightweight. Asbestos free brake pads, green and environmentally friendly. The installation of the brake pad adopts a spring clamp type, which is convenient and fast to replace. The brake pad is easy to adjust after being worn.Each disc diameter of the QP series brake can be adjusted for four levels of braking torque.
time:2023-06-05
MoreSHI202 hydraulic disc brake padTMB400-GH180 brake TE400EB500/60 brakeTE360-301/6 N4S spare parts TE-S400/121 brake holderTE-S200-23-5 brake holder USB-IIIC123090450057 spare partsUSB3-1-300-50 (equipped with this brake) Unloader trolley brake U-shaped clamp springUSB3-1-300-50 (used with this brake) Unloader trolley brake shoeTMB315-GH160.2825/99.9% -230VDC brakeQQ screenshot 20220906194312V3SLZQ00 plum blossom couplingTE500/EB1250/60 brakeTE400/1250/60 SHI107 hydraulic propulsion brakeSH1252 brakeTE400-3/30 D=400 brakeGH165220VAC5A brake power supplySHI252 brakeTE500-EB2000/60 brakeTE500/1250/60 brakeTE630/2000/60 See description for brake shoesSUB3-1EB800/60-50030 disc brakeTEXU500-C 4000-10000Nm brakeTMB630/245 brakeTE315-EB800/60D brakeSK4-M1 BELAG 50 B=12.5 brakeSK4-M2 B=16 brakeVUSV0024K 24V DC 0.8A 75L/min 350bar solenoid valveTE-S500/121 spare parts imported from Xibury brake_ copyTE200-ED30/5 brakeUSB3-III-121/6 brakeEB500-60/2 electric hydraulic brakeGH 165 190/90VDC 5-0.8A 39 Ω 2000N Press motor holding brakeEB 300-50 IIT 380V 0.4A 1.8kW thrusterV2.1C-sonder 380VAC 24VDC safety brake hydraulic stationTE200-EB300/50380VAC electromagnetic brakeSHI232 brake
time:2023-06-05
MoreThe key to debugging frequency converters for lifting machinery lies in modulating the dynamic logic. The quality of braking logic debugging directly affects the safe operation of the crane.After using a frequency converter, the control of the brake should be achieved through the frequency converter.Debugging of braking logic includes debugging of releasing the brake process and debugging of closing the brake process.Release brake current: Before giving the release brake command, the frequency converter should first establish the release brake current.This current is generally set at 70% to 120% of the rated current of the motor. Generally speaking, frequency converters with fast current dynamic response can set this current lower; For frequency converters with slow dynamic response to current, this current must be set higher. The current of the lifting mechanism and the translation and rotation mechanisms of the outdoor crane needs to be set higher; The current of the translation and rotation mechanisms of indoor cranes can be set lower.This current value is set low, and when the brake is released, the motor torque is insufficient. The lifting mechanism will experience hook sliding phenomenon (when fully loaded), and the rotating mechanism of the translation mechanism will move in opposite directions (due to wind or slope); This current value is set too high, and when the brake is not opened, the locked rotor current is high, which is unfavorable for the motor.It should be noted that this current also has directionality: for lifting mechanisms, the direction of this current is always positive (lifting direction), and for translation and rotation mechanisms, the direction of this current should be the same as the direction of motion.Release brake frequency:Before giving the brake release command, the frequency converter should first establish the brake release frequency.When the frequency converter closed-loop current vector control is used, the motor can output zero speed full torque, and the frequency of the brake release can be set to zero theoretically, but in reality, it is often set between 0.1Hz and 0.3Hz.When the frequency converter is used for current open-loop vector control, the motor does not have zero speed torque, and the frequency at which the motor can output full torque depends on the quality of the frequency converter and the coordination between the frequency converter and the motor. For most brands of frequency converters, this frequency is generally 0.5Hz or twice the motor slip frequency (whichever is greater). In fact, the frequency of the brake release is often set between 1Hz and 2.5Hz.When the frequency converter adopts V/f control, the frequency at which the motor can output full torque depends on the motor. For different motors, this frequency can be between 2Hz and 20Hz.The lower the frequency setting, the better the performance of the crane and the more convenient the debugging; However, when the setting is too low, the open loop lifting mechanism is prone to hook sliding (large load), and the open loop translation and rotation mechanisms are prone to abnormal movement (wind or slope). We not only need to consider the full load performance during debugging, but also the full load performance after long-term operation when the system performance changesRelease brake time:After receiving the command to release the brake, it takes a certain amount of time to release. This time can be between 0.2s and 1.1s depending on the specifications and types of brakes.Therefore, after the frequency converter gives the command to release the brake, slope acceleration cannot be carried out immediately. It is necessary to continue to maintain the output of the release brake current and release brake frequency unchanged during the release brake time.The setting of the brake release time is too short, and the frequency converter starts to increase speed before the brake is released. There will be vibration immediately after the brake is released, and there may be slipping hooks during the lowering operation of the open-loop lifting mechanism; The setting of the brake release time is too long, the brake has been released and the frequency converter has not yet accelerated. The operation of the mechanism has stopped, and there may be a reverse pull phenomenon for the lowering operation of the open-loop lifting mechanism.QQ Image 20221005161921Closing brake time: After the brake receives the command to close the brake, it takes a certain amount of time to tighten. This time can be between 0.2s and 1.1s depending on the specifications and types of brakes.Therefore, after the frequency converter gives the command to close the brake, the ramp deceleration cannot continue, and the frequency of the closing brake needs to be kept constant during the closing brake time.If the closing brake time is set too short, the output torque of the motor before the brake is tightened is insufficient or closed, and the lifting mechanism will experience hook slipping, and the translation or rotation mechanism will experience abnormal movement; The setting of the closing brake time is too long, and the brake has already tightened and the frequency converter still has output, which is unfavorable for the motor.After the time for closing the brake reaches, the frequency converter can immediately shut down the output without the need for further slope deceleration.The names of the five parameters, namely current, frequency, time, frequency, and time, can be different, but the parameters must have complete functions. Otherwise, this frequency converter is not suitable for lifting machinery.
time:2023-06-05
MoreSix advantages of disc brake1. The disc brake has no friction potential, and the braking torque is less affected by the friction coefficient, that is, the thermal stability is good;2. The efficiency of the disc brake decreases less after being immersed in water, and it can return to normal after only one or two brake applications, that is, there is basically no water recession problem;3. Under the condition of the same brake torque output, the size and mass of the disc brake are generally small.4. The thermal expansion of the brake disc along the thickness direction is extremely small, and it will not significantly increase the brake clearance like the brake drum, resulting in excessive brake pedal travel;5. Easy to achieve automatic clearance adjustment, and other maintenance operations are also relatively simple.6. Good heat dissipation.Main features:Normally closed design, safe and reliable; Special disc spring applies force to brake, and hydraulic drive releases (see hydraulic station sample for hydraulic station selection).The action is sensitive and the closing (closing) time is short.Optional switches such as opening limit, pad wear, and limit limit can be equipped for signal display or interlocking protection.High performance asbestos free hard friction lining, stable friction coefficient, no damage to the brake disc, and insensitive to water medium and salt spray (seawater).Reasonable sealing structure design and imported brand seals. Good effect and long service life.Flexible installation position, easy to use, adjust, and maintain
time:2023-06-05
MoreWorking principle and conclusion of the brake1) The total transmission ratio of the entire brake system is not related to the structural form of the brake, but rather to factors such as the thrust utilization coefficient, friction coefficient, and structural transmission efficiency of the thruster.2) The leverage ratio of the mechanism is not related to mechanical transmission efficiency, braking force, thruster thrust, brake wheel diameter, friction coefficient, etc., but only to the structural form.3) Due to the difference in the meaning and calculation formula between the total transmission ratio of the system and the lever ratio of the mechanism, the total transmission ratio of a system with a large lever ratio of the mechanism must be higher; Customization power may not necessarily be high for a large leverage ratio.4) The total transmission ratio of the system is directly proportional to the rated power.5) The energy consumption during the start-up process of the electric hydraulic thruster is basically the same as that during the rated operating stage.6) Thrusters with the same rated thrust are used on different types of brakes, and different braking torques can be obtained by varying the total transmission ratio of the system.7) A brake with the same driving force and a rated braking torque has a higher energy efficiency value.8) The energy efficiency of the brake is related to the total transmission ratio of the system, friction coefficient, mechanical transmission efficiency, thruster thrust utilization coefficient, and thruster energy efficiency.
time:2023-06-05
MoreThe difference between a normally closed brake and a normally open brake is that a normally open brake is often in a released state and only brakes when needed under the driver's control. It generates a holding brake force by manpower, hydraulic pressure, or air pressure. Once the holding brake force stops working, the brake releases under the action of gravity or spring. The normally closed brake is used to hold the brake when the machinery is not rotating, and to release the brake when the mechanical equipment is rotating. This type of brake usually uses a spring to generate the holding brake force, which is released by a specialized brake release device.The main swing hinge points of the brake are equipped with self-lubricating bearings, which have high transmission efficiency, flexible operation, safety and reliability, long service life, and no need for lubrication during use;
time:2023-06-05
MoreTrain track unit brake TZD-1 tread brake DZD-1 track unit brake TZD-1-840-T-X tread brake1. TZD series, TZD series tread brake, is an integrated brake shoe tread brake that integrates brake cylinder, brake shoe stroke adjustment mechanism, brake shoe anti eccentric wear mechanism, and brake force amplification mechanism. It is used nationwide. Models: TZD-1-1050, TZD-1-840, TZD-1-660, TZD-1-710, etc., are brakes used in conjunction with railway vehicles. It has the characteristics of easy installation and maintenance, sensitive operation, and long service life. TZD-2 is a parking brake with manual release function, while TZD-3 is a brake with manual assisted braking.2. DZD series and DZD series unit brakes are used for Internal combustion locomotive brakes and are used in China. Model: DZD-1, DZD-2, DZD-33. TTD series, TTD series brakes are heavy-duty, anti eccentric wear brakes developed in the TZD series tread brakes. Model: TTD-1, TTD-2, TTD-34. The DT series brake is a heavy-duty and anti eccentric wear brake developed on the basis of the DZD series tread brake. Models: DT-1, DT-2, DT-3Unit 12、 Brake shoeA brake shoe is a shoe shaped brake block made of cast iron or other materials, which holds the wheel tread tightly during braking and stops the wheel from rotating through friction.Train brake shoes (synthetic brake shoes, composite brake shoes, high friction and low friction brake shoes)(1) Overview of Train Brake ShoeIn railway terminology, brake pads are called brake shoes, which are located on the tread of the wheels. When braking, the two brake shoes at the front and rear of the wheels clamp the wheels tightly through the action of the brake pedal, achieving the purpose of stopping. During the operation of a train, braking is required to generate friction in contact with the wheel tread, which converts the kinetic energy of the train into thermal energy and dissipates it into the atmosphere, achieving deceleration or stopping of the train. The braking component that directly rubs the wheels to stop the train is the brake shoe. A tile shaped brake block made of cast iron or other materials that holds the wheel tread tightly during braking and stops the wheel from rotating through friction.In the era of high-tech development, trains, as one of the main modes of transportation, make us increasingly demanding for their safety. Due to the harsh operating environment of trains, the safety of their braking system is particularly important. Among them, the friction performance of train brake pads plays a crucial role in relation to driving safety and operational reliability. At present, China's brake pad detection technology is relatively backward, with low work efficiency and the inability to quickly and accurately grasp the status of tires, which seriously restricts the acceleration of railway vehicles in China. The testing methods used abroad are expensive and technically challenging. Transplantation has never been seen in China. So the quality of brake pads has become the top priority for the survival of enterprises. The braking device is an important device for safe deceleration or parking of trains. For the safety of trains, the braking performance of trains must be ensured under various conditions. With the continuous improvement of train operation speed, the requirements for braking performance of braking devices are also higher, and traditional brake shoe braking cannot adapt to the development of high-speed trains. At present, the Passenger railroad car in our country basically adopt the disc brake, and the train brake pad is an important component of the disc brake device, which plays an important role in braking performance. The train brake pad testing system is based on the brake pad braking experimental platform, which tests the friction performance of train brake pads. The train brake pad testing system tests multiple performance parameters such as bearing pressure, surface temperature, and wheel running speed of the brake pads through assembly experiments. The brake pads of train disc brakes mainly use synthetic brake pads. The characteristics of synthetic brake pads are:1. Good thermal stability. The resin decomposition temperature is high, and the actual measured temperature is 377 degrees Celsius.2. Low compression elasticity, low noise, and uniform temperature distribution.3. Strong adhesion, with both resin aging resistance and rubber toughness, low heat decay rate, and good recovery.4. Good production performance and good surface reproducibility.
time:2023-06-04
MoreJiaozuo Golden Band Brake Product Sales Phone 15838971872, electric hydraulic block brake, electric hydraulic drum brake, hydraulic failure protection brake manufacturer, Jiaozuo brake manufacturer, electric hydraulic thruster, electromagnetic drum brake, safety brake, hydraulic disc brake, pneumatic brake, electromagnetic disc brakeMatching hydraulic thruster Ed-23/5YWZ8-200/E30 matching thruster Ed-30/5YWZ8-300/E30 matching thruster ED-30/5YWZ9-300/E50 matching thruster ED-50/6YWZ8-300/E80 matching thruster Ed-80/6YWZ8-400/E50 matching thruster Ed-50/6YWZ8-400/E80 matching thruster Ed-80/6YWZ8-400/E121 matching thruster Ed-121/6YWZ8-500/E121 matching thruster Ed-121/6YWZ8-500/E201 matching thruster Ed-201/6YWZ8-600/E121 matching thruster Ed-121/6YWZ8-600/E201 matching thruster Ed-201/6YWZ8-600/E301 matching thruster ED-301/6YWZ8-700/E201 matching thruster Ed-201/6YWZ8-700/E301 matching thruster Ed-301/6YWZ8-800/E301/12 matching thruster Ed-301/12The company has a huge marketing and comprehensive market service network system, with nearly 100 sales personnel, 6 distributors, and 36 offices forming a sound sales network and after-sales service system. The sales network is spread throughout the country, and the after-sales service is in place, providing users with high-quality pre-sales, in sales, and after-sales services in a timely and comprehensive manner.The company operates in accordance with modern enterprise systems and adheres to management innovation, creating an internal market-oriented management model and a corporate culture system that creates value for customers, wealth for society, profits for enterprises, and benefits for employees. It is a banner for the development of national industry in the industry, and is following the path of new industrialization and sustainable development in domestic and foreign market competition, Striving towards the goal of "Century Golden Hoop, World Golden Hoop", and making unremitting efforts to build a powerful and internationally operated first-class enterprise.
time:2023-06-04
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