China Custom Gjj Construction Hoist Gearbox Construction Gear Reducer bevel gearbox

Product Description

Construction Machinery GJJ YHX rack and pinion hoist GearBox Reducer

Product Description

A.The features of Casing Safe Driving Motor Hoist Lifts Gearboxes 11KW 15KW Passenger Hoist Reducer

  1. The reducers have the following features because of using plane enveloping worm gear as compared with other kinds of worm transmissions: larger loading capactiy and compact dimension and higher efficiency and smoother and quieter functioning longer service life.
  2. In addition, the housings of these series reducers are made of high-strenghth aluminium alloy. So the reducers make the features of higher strength and lighter weight.
  3.  It is recommended to utilize the viscosity VG320 synthetic worm gear oil (or synthetic gear oil) for lubrication. Once the environment temperature is higher than 30°C, it is recommended to utilize the viscosity VG460 synthetic worm gear oil (or synthetic gear oil) for lubrication. And allowed maximum working oil temperature is 100°C.

 Number    Weight    Transmission   Ratio

Center Distance

(mm)

Output power

(KW)

Ordering instruction
1 50KG 1:16 125 11.6

Please specify

transmissionratio and type  

 when ordering

2 1:18 125 10.3
3 1:14 125 11.72
           

 

B.Installation

  1. The base-plate must be plane and stoutness and the base-plate must be screwed down and shock proof. 
  2. The connecting shaft of prime mover, reducer and operation device must be coaxial installation. 
  3. The diameter tolerance zone of input and output shaft is H6, the holes of fittings( such as couplings, belt-pully, sprocket wheel and so on) must properly mate the shaft, which prevents bearing from breakage because of over-loose mate. 
  4. Drivers such as sprocker wheel and gear must be fitted close to bearings in order to reduce bending stress of hanging shaft. 
  5. While assembling motor of WPD reducer, it is necessary that proper amount of butter applies to the warm shaft input hole and keyway, avoiding assembling too tightly and rusting after using for a long time. 
  6. When ordering or using all kinds of WPD type, if the motor weight is bigger than the common,supporting set is required.

Speed ratio

(I)

Center Distance

(mm)

Input Speed

(r/min)

Input Power

(Kw)

Rated output Torque

(N.M)

TransmissionEfficiency

(%)

14 125 1500 11.2 1128 89
1000 9.919 1276 87.4
16 125 1500 11.06 1136 88
1000 9.651 1417 87.5
20 144 1500 13 1942 86.5
1000 11.52 2512 85.4
25 125 1000 11.4 2650 83
1500 13 2166 84

C.Usage

  1. Before using,please check carefully whether the reducer modle, distance, ratio, input connecting method , output shaft structure, input and output shaft direction and revolving direction accord with required. 
  2.  According to the requirement of selecting lubricant oil in the product manual. Please fill proper category and brand lubricant.And then screw on the vent-plug, unlock the small cone-plug of vent-plug.Only after doing these, reducer is already for startinh up running.The proper brand and adequate lubricant oil is required, replacing oil in time conforming to the request of product manual is also necessary, especially after using first 100hours, it is required refilling new oil. 
  3. When abnormal circumstances occur, please stop and check reducer per solutions and reasons for faults of reducer(allowable highest oil temperature is 95, under this temperature limit, if oil temperature no more goes up, please let reducer continue running). 

FAQ

Q1: Are you a trading company or a factory?

A1: We are  factory. 

Q2: How about the installation?

A2: Engineer could be sent to your site for installing and inspection.

Q3: How long is your delivery time?

A3: Generally 20 days after advance payment. 

 

Q4: How to place the order ?

A4:  pls provide the rack technical data , we can quote the price to you 

After-sales Service: Online Service
Warranty: 1year
Type: Construction Hoist Spare Parts
Application: Construction Hoist
Certification: ISO9001: 2000
Condition: New
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gear gearbox

How do gear reducers contribute to energy efficiency in machinery and equipment?

Gear reducers play a significant role in enhancing energy efficiency in various machinery and equipment. Here’s how they contribute:

1. Speed Reduction: Gear reducers are commonly used to reduce the speed of the input shaft, allowing the motor to operate at a higher speed where it’s most efficient. This speed reduction helps match the motor’s optimal operating range, reducing energy consumption.

2. Torque Increase: Gear reducers can increase torque output while decreasing speed, enabling machinery to handle higher loads without the need for a larger, more energy-intensive motor.

3. Matching Load Requirements: By adjusting gear ratios, gear reducers ensure that the machinery’s output speed and torque match the load requirements. This prevents the motor from operating at unnecessary high speeds, saving energy.

4. Variable Speed Applications: In applications requiring variable speeds, gear reducers allow for efficient speed control without the need for continuous motor adjustments, improving energy usage.

5. Efficient Power Transmission: Gear reducers efficiently transmit power from the motor to the load, minimizing energy losses due to friction and inefficiencies.

6. Motor Downsizing: Gear reducers enable the use of smaller, more energy-efficient motors by converting their higher speed, lower torque output into the lower speed, higher torque needed for the application.

7. Decoupling Motor and Load Speeds: In cases where the motor and load speeds are inherently different, gear reducers ensure the motor operates at its most efficient speed while still delivering the required output to the load.

8. Overcoming Inertia: Gear reducers help overcome the inertia of heavy loads, making it easier for motors to start and stop, reducing energy consumption during frequent operation.

9. Precise Control: Gear reducers provide precise control over speed and torque, optimizing the energy consumption of machinery in processes that require accurate adjustments.

10. Regenerative Braking: In some applications, gear reducers can be used to capture and convert kinetic energy back into electrical energy during braking or deceleration, improving overall energy efficiency.

By efficiently managing speed, torque, and power transmission, gear reducers contribute to energy-efficient operation, reducing energy consumption, and minimizing the environmental impact of machinery and equipment.

gear gearbox

What maintenance practices are essential for prolonging the lifespan of gear reducers?

Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:

  • 1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
  • 2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
  • 3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
  • 4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
  • 5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
  • 6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
  • 7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
  • 8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
  • 9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
  • 10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.

By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

gear gearbox

Can you explain the different types of gear reducers available in the market?

There are several types of gear reducers commonly used in industrial applications:

1. Spur Gear Reducers: These reducers have straight teeth and are cost-effective for applications requiring moderate torque and speed reduction. They are efficient but may produce more noise compared to other types.

2. Helical Gear Reducers: Helical gears have angled teeth, which provide smoother and quieter operation compared to spur gears. They offer higher torque capacities and are suitable for heavy-duty applications.

3. Bevel Gear Reducers: Bevel gears have conical shapes and intersect at an angle, allowing them to transmit power between non-parallel shafts. They are commonly used in applications where shafts intersect at 90 degrees.

4. Worm Gear Reducers: Worm gears consist of a worm (screw) and a mating gear (worm wheel). They offer high torque reduction and are used for applications requiring high ratios, although they can be less efficient.

5. Planetary Gear Reducers: These reducers use a system of planetary gears to achieve high torque output in a compact design. They provide excellent torque multiplication and are commonly used in robotics and automation.

6. Cycloidal Gear Reducers: Cycloidal drives use an eccentric cam to achieve speed reduction. They offer high shock load resistance and are suitable for applications with frequent starting and stopping.

7. Harmonic Drive Reducers: Harmonic drives use a flexible spline to achieve high gear reduction ratios. They provide high precision and are commonly used in applications requiring accurate positioning.

8. Hypoid Gear Reducers: Hypoid gears have helical teeth and non-intersecting shafts, making them suitable for applications with space limitations. They offer high torque and efficiency.

Each type of gear reducer has its own advantages and limitations, and the choice depends on factors such as torque requirements, speed ratios, noise levels, space constraints, and application-specific needs.

China Custom Gjj Construction Hoist Gearbox Construction Gear Reducer   bevel gearbox	China Custom Gjj Construction Hoist Gearbox Construction Gear Reducer   bevel gearbox
editor by CX 2023-11-20