Product Description
The Pump Drives (Hydraulic pump Drives) is a gearbox allowing the connection between a prime mover (internal combustion engine or electric motor for example) and 1 or more hydraulic pumps. Usually it is used on both stationary and mobile application where mechanical power must be converted into hydraulic power for the purpose of operating travel functions and services.
The hydraulic pumps drives gearboxes consist of a gear drive inside a CHINAMFG housing that connects to a gasoline or diesel engine. The opposite side contains 1 or more standard 2- or 4-bolt flanges for mounting hydraulic pumps. This configuration provides several benefits. For one, 2 or more identical pumps can be connected to provide nearly identical hydraulic output flow from each. Or different sized pumps can be used provide output flow proportional to the displacement of each pump.These gearboxes not only saves space and weight but also eliminates the number of components and reduces assembly time for the whole machinery. Our modular pump drives could allow driving 2 to 4 pumps simultaneously. This not only offers design flexibility, but can boost system efficiency as well.
| Model | 2 pumps drive | 3 pumps drive | 4 pumps drive | |||||||
| Parameter | KK190-2N | KK400-2N | KK530-2N | KK700-2N | KK280-3N | KK400-3N | KK530-3N | KK700-3N | KK530-4N | KK700-4N |
| Max. Input power (KW) | 190 | 400 | 530 | 700 | 280 | 400 | 530 | 700 | 530 | 700 |
| Max. Output power per pump pad (KW) | 110 | 210 | 270 | 360 | 150 | 210 | 270 | 360 | 270 | 330 |
| Max. Output torque per pump pad (Nm) | 400 | 900 | 1500 | 1900 | 800 | 900 | 1500 | 1900 | 1500 | 1800 |
| Max. Input speed (RPM) | 2800 | 2600 | 2600 | 2400 | 2800 | 2600 | 2600 | 2400 | 2600 | 2400 |
| Max. Output speed (RPM) | 3200 | 2800 | 2800 | 2700 | 3200 | 2800 | 2800 | 2700 | 2800 | 2700 |
| Transmission ratio | 0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· | 0.67/0.74/0.81/0.89/0.98··· |
| Mount size of Prime mover | SAE #3 #4 etc. | SAE #2 #3 etc. | SAE #1 #2 #3 etc. | SAE #0 #1 #2 etc. | SAE #3 #4 etc. | SAE #2 #3 etc. | SAE #1 #2 #3 etc. | SAE #0 #1 #2 etc. | SAE #1 #2 #3 etc. | SAE #1 #2 etc. |
| Port size of Single pump | SAE A,B,C flange etc. | SAE A,B,C,D flange etc. | SAE B,C,D,E flange etc. | SAE C,D,E flange etc. | SAE A,B,C flange etc. | SAE A,B,C,D flange etc. | SAE B,C,D,E flange etc. | SAE C,D,E flange etc. | SAE B,C,D,E flange etc. | SAE B C,D flange etc. |
| Housing material | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron | Cast iron |
| Application: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Speed Changing, Speed Reduction, Speed Increase |
| Installation: | Horizontal Type |
| Type: | Cylindrical Gear Box |
| Product Name: | Hydraulic Pump Drive |
| Conditon: | New |
| Samples: |
US$ 4990/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Limitations of Maximum Torque Handling in Miter Gearboxes
Miter gearboxes, like any mechanical component, have limitations to the maximum torque they can handle:
Material Strength: The torque-handling capacity of miter gearboxes is influenced by the strength and durability of the materials used in their construction. If the materials are not sufficiently strong, they may deform or fail under high torque loads.
Gear Tooth Design: The design and geometry of the gear teeth play a crucial role in torque transmission. In miter gearboxes, the size, shape, and angle of the gear teeth impact the torque-carrying capacity. Improper gear tooth design can result in premature wear and reduced torque handling.
Lubrication and Cooling: Adequate lubrication is essential to reduce friction and heat generated during operation. Inadequate lubrication can lead to increased friction, heat buildup, and potential damage to the gears, limiting the gearbox’s torque capacity.
Dynamic Load Factors: The type of load the gearbox experiences, such as shock loads or sudden changes in torque, can impact its torque-handling capability. High dynamic loads can exceed the gearbox’s capacity and lead to failure.
Mounting and Support: The mounting and support of the miter gearbox within the mechanical system can affect its torque-handling capacity. Poorly supported gearboxes may experience misalignment or excessive stress, leading to reduced torque capabilities.
Size and Configuration: The physical size and configuration of the miter gearbox can impact its torque-handling capacity. Larger gearboxes with more robust components may have higher torque limits compared to smaller or more compact designs.
Operating Conditions: Environmental factors such as temperature, humidity, and vibration can affect the torque capacity of miter gearboxes. Extreme conditions can cause material degradation or loss of lubrication efficiency, reducing the gearbox’s overall torque-handling ability.
Manufacturing Tolerances: Variations in manufacturing processes and tolerances can lead to differences in torque capacity between individual gearboxes. Tighter manufacturing tolerances generally result in higher torque handling.
It is important to consider these limitations when selecting and designing miter gearboxes for specific applications. Proper engineering, material selection, lubrication, and operating conditions play a critical role in ensuring that miter gearboxes operate within their intended torque limits and provide reliable performance.

Advantages of Miter Gearboxes Over Other Gear Systems
Miter gearboxes offer distinct advantages in certain scenarios that make them preferred over other types of gear systems:
90-Degree Motion Change: Miter gearboxes excel at changing the direction of motion by 90 degrees. This makes them ideal for applications where a right-angle change in motion is required.
Compact Design: Miter gearboxes have a compact and space-saving design, making them suitable for applications with limited space constraints.
Precision Steering: In automotive steering systems, miter gearboxes provide precise and accurate control over the direction of vehicles, contributing to safe and responsive steering.
Reduced Backlash: Miter gearboxes are designed to minimize backlash, ensuring accurate and smooth motion transfer. This makes them suitable for applications where precision and responsiveness are critical.
Customization: Miter gearboxes can be customized to suit specific torque, speed, and design requirements, making them adaptable to various applications.
Reliable Motion Transmission: Miter gearboxes provide reliable motion transmission and are often chosen for applications where consistent and accurate motion control is essential.
Low Noise and Vibration: The design of miter gearboxes can help reduce noise and vibration, making them suitable for applications where quiet operation is necessary.
Miter gearboxes are preferred in scenarios where their unique design and capabilities align with specific motion control and direction change requirements, offering efficiency, precision, and reliability.

Significance of the Angle Between Bevel Gears in a Miter Gearbox
The angle between bevel gears in a miter gearbox is of critical significance as it determines the direction of motion transmission and the type of mechanical arrangement that can be achieved.
In a miter gearbox, the angle between the bevel gears is typically set at 90 degrees. This means that the two intersecting shafts will rotate perpendicular to each other, allowing the transmission of motion from one shaft to another at a right angle.
The 90-degree angle between bevel gears is a fundamental feature that enables various applications where changes in motion direction are required within a compact space. This configuration allows for the redirection of rotational energy and torque, making it useful in applications such as changing the orientation of power flow, redirecting motion, and transmitting power around obstacles or corners.
It’s important to note that the angle between bevel gears can be customized to different values, but 90 degrees is the most common configuration in miter gearboxes due to its versatile and practical nature. The precise angle and arrangement of the bevel gears ensure efficient motion transmission while accommodating the specific requirements of the mechanical system in which the miter gearbox is used.


editor by CX 2023-10-30